CN104887306A - Bone filling bag uneven in hole diameter - Google Patents
Bone filling bag uneven in hole diameter Download PDFInfo
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- CN104887306A CN104887306A CN201510354854.4A CN201510354854A CN104887306A CN 104887306 A CN104887306 A CN 104887306A CN 201510354854 A CN201510354854 A CN 201510354854A CN 104887306 A CN104887306 A CN 104887306A
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- Prior art keywords
- hole
- bone
- holding part
- pulpous state
- holes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7061—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant for stabilising vertebrae or discs by improving the condition of their tissues, e.g. using implanted medication or fluid exchange
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention provides a bone filling bag uneven in hole diameter. The bone filling bag uneven in hole diameter comprises an implant and a slurry medical material; the implant comprises a filling opening and a receiving part; the receiving part is composed of one or a plurality of flexible non-airtight enclosure walls with a plurality of through holes, and the implant is narrowed and implanted in a bone tissue; the slurry medical material is injected into the receiving part via the filling opening and solidified after the receiving part expands by pushing the enclosure walls, and fixedly connected in the bone tissue; after the receiving part expands, a plurality of first through holes are evenly formed in the front end region and the rear-end region of the receiving part; a plurality of second through holes are evenly formed in the middle region between the front end region and the rear end region, and the diameter of the second through hole is greater than the diameter of the first through hole. According to the bone filling bag uneven in hole diameter, while the leakage problem of the bone cement perfusion is firstly solved, due to the setting of the size of the through holes formed in the enclosure walls of the implant and the arrangement manner, the diffusion of the slurry medical material has higher tendentiousness and binding character, and the risk of postoperative secondary fracture is greatly reduced.
Description
Technical field
The present invention relates to bone filling device design field, the bone particularly relating to a kind of non-uniform holes fills pouch.
Background technology
Current reply compression fracture of vertabral body the best way mainly contains percutaneous vertbroplasty and Percutaneous kyplasty, wherein uses more with percutaneous vertbroplasty, applies wider.Since 1984 start to occur first case percutaneous vertbroplasty, improvement for vertebroplasty is all continuing always, and percutaneous vertbroplasty is all generally set up passage and input bone cement (such as polymetylmethacrylate) to enter in vertebral body for a long time, to provide support force enough between bone trabecula in vertebral body, thus ensure that compression fracture and pain no longer occur disease vertebra.But this kind of Surgical Operation still to there is bone cement seepage uncontrollable, thus easily cause the complication after bone cement seepage, jeopardize the life security of patient.
In order to solve the operation risk of percutaneous vertbroplasty as much as possible, application number is the using method that the patent of invention of CN1552290A provides a kind of vertebra filling device, it comprises a filling member, include a holding part and an inlet, this filling member is made up of the flexible non-airtight leg of plurality of through holes one or plural mask, and aperture is not more than 0.1mm.Because aperture is less, thus necessarily can limit bone cement disperse, thus improve operation safety.
But, even devise a like this filling device at present, decrease the seepage of bone cement, but still there is certain defect.
On the one hand, the vertebra filling device that provides of above-mentioned patent is at present without good disperse effect.Too small due to aperture, bone cement is extremely difficult, and from this filling device, disperse is out, namely do not exist to be formed to inlay between bone cement with substantia trabecularis ossium bone and be connected, direct result by be expanded state filling device in filled up bone cement, in a mellow and full bone cement lump of oval.Although certain supporting role can be played, but due to not enough with substantia trabecularis ossium bone contact area, degree of inlaying is inadequate, certain movable property can be there is when body movement, and due to surrounding be all the spongy bone of osteoporosis class, more easily occur that bone cement clashes into the bone trabecula of bordering on around and causes local secondary fracture, this bone cement strengthens in Intrapyramidal zone of action soon, and activeness improves.And then once the activeness of filling device of this full bone cement is larger, the probability of secondary fracture and bone cement shock cortical bone also just substantially increases, and operation risk increases again.
On the other hand, the vertebra filling device that above-mentioned patent provides still lacks controllability and operability.Because filling device self aperture is all unified specification, no matter and bone cement just can present disperse effect by aperture under what kind of high pressure, the disperse bone cement not property of there are differences around so whole filling device, belong to disperse from all directions, lack the probability that patient carries out according to the special circumstances of the sick vertebra of sufferer adjusting and controlling.When bone cement is toward anterior margin of vertebral body or the disperse of trailing edge direction, complication will improve.Bone cement is crossed just by the trend of uncontrollable bone cement behind aperture, and generally speaking, what this patent can not realize directed targeting injects bone cement.
Finally, in existing market, the clinical response of above-mentioned patented product is always not good, because operating doctor not only wants worried when different cortical bone breaks, how the control of bone cement disperse is control; Also want worried after filling device is full, because mesh is too large, aperture is too little, how to form the burr shape bone cement be embedded in substantia trabecularis ossium bone during insufficient pressure.
Summary of the invention
In order to address these problems, the bone that the invention provides a kind of non-uniform holes fills pouch, comprising:
Implantation piece, it includes inlet and holding part, and described holding part is made up of the flexible non-airtight leg of plurality of through holes one or plural mask, and described implantation piece reduces to be implanted in skeletal tissue;
Pulpous state doctor material, through described inlet injection fillers in described holding part, is pushing the leg expansion after fixing of described holding part, and is being fixedly connected in skeletal tissue;
After described holding part expands, the front end area of described holding part, back-end region are evenly provided with some first through holes, zone line between described front end area and back-end region is evenly provided with some second through holes, and the aperture of described second through hole is greater than the aperture of described first through hole.
Preferably, some second through holes are evenly equipped with on 1/4th to whole described zone lines.
Preferably, described zone line is evenly covered with there is described second through hole; After described pulpous state doctor material pressurized, via the second through hole four direction disperse vertically and horizontally on described zone line.
Preferably, described zone line is longitudinally divided equally for two sides, wherein a side is evenly equipped with some described second through holes, another side is evenly equipped with some third through-holes; After described pulpous state doctor material pressurized, via the directed disperse of the second through hole on described zone line side.
Preferably, described zone line is provided with the dissipation region of two panels for uniform described second through hole, and this two panel region is symmetrical about the axis of holding part; After described pulpous state doctor material pressurized, via the second through hole orientation on described dissipation region to two symmetry direction disperses.
Preferably, on described zone line, removing arranges the part of the second through hole, and remaining part is evenly provided with some third through-holes.
Preferably, the span in the aperture of described first through hole is 0.1mm to 0.15mm, and the span in the aperture of described second through hole is 0.15mm to 0.6mm, and the span in the aperture of described third through-hole is 0.1mm to 0.15mm.
Preferably, in spheroid shape utricule after described holding part struts, the region that the major axis two ends of described spheroid shape utricule are corresponding is respectively described front end area and described back-end region.
Preferably, described front end area and described back-end region account for 1/4 ± 0.05 of whole described holding part respectively, and described zone line accounts for 1/2 ± 0.05 of whole described holding part.
Preferably, described pulpous state doctor material adopts bone cement or bone substituent.
The present invention, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and good effect:
1) bone of non-uniform holes provided by the invention fills pouch, implant in skeletal tissue, again pulpous state is cured material note as in holding part, derive to solidify to skeletal tissue via uneven through hole irregular on holding part and inlay, first solve leakage problems when bone cement pours into; Simultaneously, the leg of holding part adopts the flexible non-airtight leg of irregular non-uniform holes, effectively can control the pulpous state mobility of doctor's material in skeletal tissue and dispersivity, reduce complication, reduce the risk of pulmonary infarction, avoid the disperse wantonly of bone cement, thus reduce the damage to anterior longitudinal ligament, reduce the complication such as numbness of lower limbs that destruction and the compressing of trailing edge spinal nerves system are caused and paralysis, reduce the damage to peripheral muscle tissue and vascular tissue;
2) size of through hole on holding part is expanded in the present invention, relative to prior art, ensure that bone cement can through hole by the plural number on holding part in certain pressure propelling movement situation, reduce because bone cement also disperse cannot out cause implantation piece smooth surface in certain pressure situation, thus the risk causing secondary to fracture; Meanwhile, the present invention, by the setting of the size of through hole on holding part and irregular setting heterogeneous, ensure that the bone cement limitation that disperse is come when certain pressure; And bone cement disperse has tendentiousness and binding character more, controllability and operability improve, and can realize directed disperse, targeting injects bone cement, and operator doctor can carry out the adjustment of operation technique very much according to the concrete condition of patient.
Accompanying drawing explanation
By reference to the accompanying drawings, by detailed description hereafter, above-mentioned and other feature and advantage of the present invention more clearly can be understood, wherein:
Fig. 1 is the structural representation of the bone filling pouch of non-uniform holes provided by the invention;
Fig. 2 a is holding part right side through hole distribution schematic diagram in embodiment one;
Fig. 2 b is holding part left side through hole distribution schematic diagram in embodiment one;
Fig. 2 c is that in embodiment one, the present invention is placed in vertebra vertebral body structural representation;
Fig. 2 d is longitudinal tangent plane lateral plate figure of vertebra vertebral body in Fig. 2 c;
Fig. 3 a is holding part right side through hole distribution schematic diagram in embodiment two;
Fig. 3 b is holding part left side through hole distribution schematic diagram in embodiment two;
Fig. 3 c is that in embodiment one, the present invention is placed in vertebra vertebral body structural representation;
Fig. 3 d is longitudinal tangent plane lateral plate figure of vertebra vertebral body in Fig. 3 c;
Fig. 4 a is holding part right side through hole distribution schematic diagram in embodiment three;
Fig. 4 b is holding part left side through hole distribution schematic diagram in embodiment three.
Symbol description:
1-implantation piece
101-holding part
1011-front end area
1012-back-end region
1013-zone line
1014-dissipation region
102-inlet
103-second through hole
104-first through hole
105-third through-hole
2-connection tube
3-injection device
Detailed description of the invention
See the accompanying drawing that the embodiment of the present invention is shown, hereafter in more detail the present invention will be described.But the present invention can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present invention completely.In these accompanying drawings, for clarity sake, may be exaggerated size and the relative size in layer and region.
With reference to Fig. 1, the bone that the invention provides a kind of non-uniform holes fills pouch, it includes an implantation piece 1, implantation piece 1 further comprises holding part 101 and inlet 102, holding part 101 is made up of the flexible non-airtight leg of plurality of through holes one or plural mask, holding part 101 under the mode of punching press, the accommodation space of inflatable formation one hollow; These legs are integrally formed in fact or are adjacently connected into holding part 101 and this inlet 102; Inlet 102 connects injection device 3 by connection tube 2, and pulpous state doctor material is expelled in implantation piece by connection tube 2.Wherein, pulpous state doctor material can be in fact one or a plurality of powdery, aqueous, gluey or other form, doctor's material of single kind or plural kind and solution (as water etc.) mixing after, formation pulpous state semi-solid preparation material, and its with curable be better; Pulpous state doctor material can adopt bone cement (bone cement), such as poly-methallyl acid methyl ester (PMMA, poly methyl methacrylate), hydroxyapatite (HA, hydroxy apatite); Pulpous state doctor material also can adopt bone substituent (bone substitute), such as Gypsum Fibrosum, calcium phosphate, calcium sulfate series; The concrete form of pulpous state doctor material can set as the case may be, is not restricted herein.
Under original state, implantation piece 1 not softened come, its small volume, directly can be implanted to it in skeletal tissue (in such as Grafting Cancellous Bone Bolt girder, vertebra vertebral body medium); Then by injection device 3, pulpous state being cured material is injected in implantation piece 1, under the push effect of pulpous state doctor material, the leg of holding part 101 is by compression swelling, when the pressure of pulpous state doctor's material to holding part 101 leg acquires a certain degree, the disperse from the plural through hole of irregular arrangement holding part 101 leg of pulpous state doctor material out, is infiltrated in skeletal tissue; The solidification of pulpous state doctor material, disperse pulpous state doctor material out is fixedly embedded in skeletal tissue.Wherein, the form of injection device 3 is not restricted, and injection device 3 can include syringe and mechanical type pusher etc.
In the present invention, after holding part 101 expands, whole holding part 101 can become in bladder type, pouch-type, spheroid shape etc., is not restricted herein, in spheroid shape is described after expanding below for holding part 101.Whole holding part 101 can be divided into front end area 1011, back-end region 1012 and zone line 1013, and zone line 1013, between front end area 1011 and back-end region 1012, zone line 1013 may correspond to four direction up and down; In time strutting holding part 101 in spheroid shape, region corresponding to major axis two ends can be front end area 1011, back-end region 1012.Wherein, front end area 1011, back-end region 1012 can account for 1/4 ± 0.05 of whole holding part 101 respectively, zone line 1013 can account for 1/2 ± 0.05 of whole holding part, the division of certain front end area 1011, back-end region 1012 and zone line 1013 proportion, not as limit, can adjust as the case may be; The present invention is by the division proportion of holding part 1/4th and 1/2nd, its main purpose is: divide according to aforementioned proportion, when can ensure to use, pulpous state doctor material is not as much as possible toward former and later two direction disperse and flowing, mainly carries out disperse at the four direction up and down of this utricule; Consider work difference scope, this setting is compared rationally simultaneously.If front and back end Region dividing ratio is too little, stop that the function of pulpous state doctor material is not obvious, zone line division proportion is too little, is greatly limited again between Dispersion Space.
Front end area 1011 and back-end region 1012 are evenly equipped with some first through holes 104, zone line 1013 are evenly equipped with some second through holes 103; Some second through holes 103 can be covered with whole zone line 1013, also only can account for 1/2nd or 1/3rd or four/first-class of whole zone line 1013, ensure that the setting area of the second through hole 103 on zone line 1013 is no less than 1/4th; On zone line 1013, removing arranges outside the part of the second through hole 103, and remainder also can be evenly equipped with some third through-holes 105.On zone line 1013, the concrete arrangement mode of through hole, is not restricted herein, can adjust as the case may be.
Wherein, the aperture of the second through hole 103 is greater than the pore size of the first through hole 104 and third through-hole 105; Preferably, the span in the aperture of the first through hole 104 is 0.1mm to 0.15mm, and the span in the aperture of the second through hole 103 is 0.15mm to 0.6mm, and the span in the aperture of third through-hole 105 is 0.1mm to 0.15mm.
It is relevant that pulpous state doctor material cures material character at that time by the speed of through hole and through-hole aperture size and pulpous state, and it is also faster that the larger pulpous state in aperture cures the speed that material passes through; The rarer flowing velocity of pulpous state doctor's material is faster, and pulpous state doctor material is higher by the speed in aperture.Pulpous state doctor material is also relevant to pore size by the capacity of through hole, and through-hole aperture is larger, and the pressure of extruding pulpous state doctor needed for material is less, more by the capacity of the pulpous state doctor material of through hole; Through-hole aperture is less, and the pressure of extruding pulpous state doctor needed for material is larger, more by the capacity of the pulpous state doctor material of through hole.As can be seen here, when pulpous state doctor material is consistent, pressure one timing of extruding pulpous state doctor material, pulpous state doctor material is at first by the first through hole 104 that aperture is larger; Meanwhile, make pulpous state cure material by controlled pressure and be merely able to disperse from the first through hole 104, and can not disperse is out from the second through hole 103 and third through-hole 105.
The present invention adopts above-mentioned design, makes it have following advantage:
1, the bone of non-uniform holes provided by the invention fills pouch, implant in skeletal tissue, pulpous state is cured material and inject holding part, solidify to skeletal tissue via uneven through hole disperse irregular on holding part and inlay, first solve leakage problems during bone cement perfusion; Simultaneously, the leg of holding part adopts the flexible non-airtight leg of irregular non-uniform holes, effectively can control the pulpous state mobility of doctor's material in skeletal tissue and dispersivity, reduce complication, reduce the risk of pulmonary infarction, avoid the disperse wantonly of bone cement, thus reduce the damage to anterior longitudinal ligament, reduce cracking and oppressing trailing edge spinal nerves system, reduce the damage to peripheral muscle tissue and vascular tissue.
2, the bone of non-uniform holes provided by the invention fills pouch, and the plural through hole on implantation piece is according to aperture arrangement according to small-bore, front and back ends region through hole, and zone line is that the mode of large aperture through hole is arranged.Therefore, pulpous state doctor material only from zone line by the second through hole disperse out, and after solidification, forming burr shape pulpous state doctor material is embedded in skeletal tissue's (Grafting Cancellous Bone Bolt girder) of surrounding, being conducive to reducing the later stage along with displacement is to solidifying the activeness cured material and bring, reducing the incidence rate of secondary fracture.Simultaneously, pulpous state doctor material on region, implantation piece front and back end is less by the probability of through hole, such as, time the present invention is used in vertebra vertebral body, pulpous state doctor material flows out from vertebra anterior margin of vertebral body crack and will reduce greatly from the probability that vertebra vertebral body trailing edge oozes out, produce certain heat when so curing material solidification, anterior longitudinal ligament and intraspinal tube injured spinal cords can not be caused.
3, the bone of non-uniform holes provided by the invention fills pouch, by the setting to the second via regions on holding part, ensure that the bone cement limitation that disperse is come when certain pressure; And bone cement disperse has tendentiousness and binding character more, controllability and operability improve, and can realize directed disperse, targeting injects bone cement, and operator doctor can carry out the adjustment of operation technique very much according to the concrete condition of patient.
Below with regard to some specific embodiments, the present invention is further illustrated, and the bone of certain non-uniform holes provided by the invention is filled pouch and is also not limited to following embodiment, can carry out suitable adjustment as the case may be, not be restricted herein.
Embodiment one
With reference to Fig. 2 a-2b, in the present embodiment, after the leg expansion of holding part 101, the front end area 1011 of holding part 101 and back-end region 1012 are evenly booked some first through holes 104; Zone line 1013 is evenly covered with some second through holes 103; Wherein, the aperture of the second through hole 103 is greater than the aperture of the first through hole 104.
Pulpous state doctor material is filled into filling member 1, and under filling member 1 extends to full state; Due to the first through hole 104 aperture relatively little, therefore pulpous state doctor material by front end area 1011 and back-end region 1012 less, and when pulpous state doctor material injection pressure is lower, pulpous state doctor material then can not by the first through hole 104 in front end area 1011 and back-end region 1012.Because the aperture of the second through hole 103 is relatively large, therefore pulpous state doctor material is relatively many by the second through hole 103 on zone line 1013, and becomes thread, and among skeletal tissue's (such as Grafting Cancellous Bone Bolt girder) gap that can be embedded in surrounding.Therefore, after the solidification of pulpous state doctor material, the pulpous state that passes through doctor material is thread toward surrounding up and down and is evenly embedded in skeletal tissue.
With reference to Fig. 2 c, be used in vertebra vertebral body for the present invention, the distribution mode advantage of the through hole provided in furthermore bright the present embodiment; Certainly, the present invention is not only applicable to pathological changes vertebra vertebral body, also can be used for, in other pathological changes skeletal tissue, not being restricted herein.
When the present invention applies in vertebra vertebral body time, because the first through hole 104 aperture is less, therefore the probability that the vertebra anterior margin of vertebral body crack B that correspond to from implantation piece front end area 1011, back-end region 1012 of pulpous state doctor material and vertebra vertebral body trailing edge A oozes out greatly reduces, so produce certain heat during the solidification of pulpous state doctor material, anterior longitudinal ligament and intraspinal tube injured spinal cords can not be caused.
Aperture again due to the second through hole 103 is relatively large, and pulpous state doctor material can start disperse by wide-aperture second through hole 103 on mid portion 1013 leg, can toward surrounding disperse, i.e. four direction up and down.Pulpous state can be cured the offside of material disperse to vertebral body by left and right disperse, and crosses vertebral body center line, to make about vertebral body all disperses have pulpous state to cure material, while being evenly distributed, after the solidification of pulpous state doctor material, and the whole vertebral body of even support on biomechanics.Pulpous state can be cured the up and down soleplate of material disperse to vertebral body by upper and lower disperse, as far as possible when supporting without balloon expandable, supports vertebral height, vertebral height is recovered as much as possible; After the solidification of pulpous state doctor material, great effect is played to the stable of vertebral height, and while supporting upper and lower soleplate, reduce this sick vertebra second-compressed fracture or cave in, thus reducing secondary incidence of fracture.
Embodiment two
With reference to Fig. 3 a-3b, in the present embodiment, after holding part expands, the front end area 1011 of holding part 101 and back-end region 1012 are evenly placed with some first through holes 104; Zone line 1013 is longitudinally divided equally for two sides, wherein one side is evenly equipped with the second through hole 10, another side is evenly equipped with third through-hole 105; In the present embodiment, the left side corresponding in the right side corresponding in the two sides that zone line 1013 is divided equally and Fig. 3 a and Fig. 3 b, wherein the right side is evenly equipped with some second through holes 103, the left side is evenly equipped with some third through-holes 105.Wherein, the aperture of the second through hole 103 is greater than the aperture of the first through hole 104 and third through-hole 105, and the first through hole 104 is equal with the aperture of third through-hole 105 also can be unequal, is not restricted herein.
Pulpous state doctor material is filled into filling member 1, and under filling member 1 extends to full state; Pulpous state doctor material is filled into filling member 1, and under filling member 1 extends to full state; Due to the first through hole 104 aperture relatively little, therefore pulpous state doctor material by front end area 1011 and back-end region 1012 less, and when pulpous state doctor material injection pressure is lower, pulpous state doctor material then can not by the first through hole 104 in front end area 1011 and back-end region 1012.On the zone line 1013 of holding part, pulpous state doctor material is by relatively many, and is two sides, left and right, and the right side has pulpous state to cure material disperse, and the left side is without the disperse of pulpous state doctor material; The pulpous state doctor material of right side disperse can be embedded among skeletal tissue's (Grafting Cancellous Bone Bolt girder) gap of surrounding; After the solidification of pulpous state doctor material, be thread by the pulpous state of the second through hole 104 doctor material toward side, the right side and be evenly embedded in skeletal tissue's (Grafting Cancellous Bone Bolt girder).
The distribution mode of the through hole provided in the present embodiment, it is advantageous that:
The arrangement mode of through hole in the present embodiment, achieve pulpous state doctor material and can carry out disperse in directed past side, and certain disperse radiating surface can be formed, other three (left side, front end, rear end) then keeps pulpous state doctor material without disperse or few disperse as far as possible simultaneously, namely cure the trend of the control pulpous state doctor material that material can be directed, thus evade cortical bone and have crack.
Be used in vertebra vertebral body for the present invention, furthermore bright: because the first through hole 104 aperture is less, therefore the probability that pulpous state doctor material oozes out from the vertebra anterior margin of vertebral body crack that implantation piece front end area 1011, back-end region 1012 correspond to and vertebra vertebral body trailing edge greatly reduces, so produce certain heat during the solidification of pulpous state doctor material, anterior longitudinal ligament and intraspinal tube injured spinal cords can not be caused.Due in the present embodiment, being the through hole arrangement of one-sided large aperture, making pulpous state cure the past side disperse of material orientation, by adjusting the placement of implantation piece leg position, adjusting the disperse direction of pulpous state doctor material; Namely can disperse to the offside of vertebral body, and cross vertebral body center line, all disperses are made about vertebral body to have pulpous state to cure material, while being evenly distributed, also can laterally be placed on front side of vertebral body, even dispersion on rear side of vertebral body, making pulpous state cure material can disperse and filling from the center line of vertebral body, as shown in Fig. 3 c-3d.Finally after the solidification of pulpous state doctor material, the whole vertebral body of even support on biomechanics.
Embodiment three
With reference to Fig. 4 a-4b, in the present embodiment, after holding part expands, the front end area 1011 of holding part 101 and back-end region 1012 are evenly placed with some first through holes 104; Zone line 1013 is provided with the dissipation region of two panels for uniform second through hole 103, and this two panels dissipation region is symmetrical about the axis of holding part; Zone line 1013 removes on the region beyond dissipation region and be evenly equipped with some third through-holes 105; Wherein, the aperture of the second through hole 103 is greater than the aperture of the first through hole 104 and third through-hole 105, and the first through hole 104 is equal with the aperture of third through-hole 105 also can be unequal, is not restricted herein.
Pulpous state doctor material is filled into filling member 1, and under filling member 1 extends to full state; Pulpous state doctor material is filled into filling member 1, and under filling member 1 extends to full state; Due to the first through hole 104 aperture relatively little, therefore pulpous state doctor material by front end area 1011 and back-end region 1012 less, and when pulpous state doctor material injection pressure is lower, pulpous state doctor material then can not by the first through hole 104 in front end area 1011 and back-end region 1012.On the zone line 1013 of holding part, pulpous state doctor material is by relatively many, after pulpous state doctor material pressurized, via dissipation region two symmetry direction disperse on zone line 1013, the pulpous state doctor material of disperse can be embedded among skeletal tissue's (Grafting Cancellous Bone Bolt girder) gap of surrounding; After the solidification of pulpous state doctor material, be thread by the pulpous state of the second through hole 104 doctor material toward two symmetrical sides and be evenly embedded in skeletal tissue's (Grafting Cancellous Bone Bolt girder).
The distribution mode of the through hole provided in the present embodiment, it is advantageous that:
The arrangement mode of through hole in the present embodiment, what achieve that pulpous state doctor material can be directed carries out disperse toward two symmetrical sides, and two disperse radiating surfaces can be formed, its lap then keeps pulpous state doctor material without disperse or few disperse as far as possible simultaneously, namely cure the trend of the control pulpous state doctor material that material can be directed, thus evade cortical bone and have crack.
Be used in vertebra vertebral body for the present invention, furthermore bright: due in the present embodiment, two panel region symmetry arrangement large apertures, pulpous state doctor material then can be symmetrical directed disperse, namely can when implantation piece be longitudinally placed in vertebral body, or disperse pulpous state cures material up and down, can make between upper and lower soleplate, to be uniformly distributed pulpous state doctor material; Or left and right disperse pulpous state doctor material, there is pulpous state to cure material about vertebral body can be reached and be evenly distributed.Finally after the solidification of pulpous state doctor material, the whole vertebral body of even support on biomechanics.Wherein, pulpous state can be cured the up and down soleplate of material disperse to vertebral body by upper and lower disperse, as far as possible when supporting without balloon expandable, supports vertebral height, vertebral height is recovered as much as possible.After the solidification of pulpous state doctor material, great effect is played to the stable of vertebral height, and while supporting upper and lower soleplate, the probability reducing this sick vertebra second-compressed fracture or cave in, thus reduce secondary incidence of fracture.
Those skilled in the art should be understood that the present invention can realize with other concrete forms many and not depart from the spirit or scope of the present invention.Although describe embodiments of the invention, the present invention should be understood and should not be restricted to these embodiments, within the spirit and scope of the invention that those skilled in the art can define as appended claims, make change and amendment.
Claims (10)
1. the bone of non-uniform holes fills a pouch, it is characterized in that, comprising:
Implantation piece, it includes inlet and holding part, and described holding part is made up of the flexible non-airtight leg of plurality of through holes one or plural mask, and described implantation piece reduces to be implanted in skeletal tissue;
Pulpous state doctor material, through described inlet injection fillers in described holding part, is pushing the leg expansion after fixing of described holding part, and is being fixedly connected in skeletal tissue;
After described holding part expands, the front end area of described holding part, back-end region are evenly provided with some first through holes, zone line between described front end area and back-end region is evenly provided with some second through holes, and the aperture of described second through hole is greater than the aperture of described first through hole.
2. the bone of non-uniform holes according to claim 1 fills pouch, it is characterized in that, is evenly equipped with some second through holes on 1/4th to whole described zone lines.
3. the bone of non-uniform holes according to claim 2 fills pouch, it is characterized in that, described zone line is evenly covered with and has described second through hole; After described pulpous state doctor material pressurized, via the second through hole four direction disperse vertically and horizontally on described zone line.
4. the bone of non-uniform holes according to claim 2 fills pouch, it is characterized in that, described zone line is longitudinally divided equally for two sides, wherein a side is evenly equipped with some described second through holes, another side is evenly equipped with some third through-holes; After described pulpous state doctor material pressurized, via the directed disperse of the second through hole on described zone line side.
5. the bone of non-uniform holes according to claim 2 fills pouch, it is characterized in that, described zone line is provided with the dissipation region of two panels for uniform described second through hole, and this two panel region is symmetrical about the axis of holding part; After described pulpous state doctor material pressurized, via the second through hole orientation on described dissipation region to two symmetry direction disperses.
6. the bone of non-uniform holes according to claim 5 fills pouch, it is characterized in that, on described zone line, removing arranges the part of the second through hole, and remaining part is evenly provided with some third through-holes.
7. the bone of the non-uniform holes according to claim 1 or 4 or 6 fills pouch, it is characterized in that, the span in the aperture of described first through hole is 0.1mm to 0.15mm, the span in the aperture of described second through hole is 0.15mm to 0.6mm, and the span in the aperture of described third through-hole is 0.1mm to 0.15mm.
8. the bone of non-uniform holes according to claim 1 fills pouch, it is characterized in that, in spheroid shape utricule after described holding part struts, the region that the major axis two ends of described spheroid shape utricule are corresponding is respectively described front end area and described back-end region.
9. the bone of non-uniform holes according to claim 1 fills pouch, and it is characterized in that, described front end area and described back-end region account for 1/4 ± 0.05 of whole described holding part respectively, and described zone line accounts for 1/2 ± 0.05 of whole described holding part.
10. the bone of non-uniform holes according to claim 1 fills pouch, it is characterized in that, described pulpous state doctor material adopts bone cement or bone substituent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354854.4A CN104887306B (en) | 2015-06-23 | 2015-06-23 | A kind of bone filling pouch of non-uniform holes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354854.4A CN104887306B (en) | 2015-06-23 | 2015-06-23 | A kind of bone filling pouch of non-uniform holes |
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| CN104887306A true CN104887306A (en) | 2015-09-09 |
| CN104887306B CN104887306B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510354854.4A Active CN104887306B (en) | 2015-06-23 | 2015-06-23 | A kind of bone filling pouch of non-uniform holes |
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| CN106214240A (en) * | 2016-08-02 | 2016-12-14 | 上海凯利泰医疗科技股份有限公司 | A kind of compression fracture of vertabral body is implanted and is filled prosthetic device |
| CN106618714A (en) * | 2015-11-02 | 2017-05-10 | 山东冠龙医疗用品有限公司 | Filling apparatus for injecting bone filling material |
| CN106618713A (en) * | 2015-11-02 | 2017-05-10 | 山东冠龙医疗用品有限公司 | Filling component used for filling of bone filling materials |
| CN110025371A (en) * | 2019-05-09 | 2019-07-19 | 郝定均 | Vertebral bone fills support device |
| CN110074902A (en) * | 2019-05-28 | 2019-08-02 | 上海凯利泰医疗科技股份有限公司 | A kind of vertebra filling device |
| CN113749831A (en) * | 2020-06-04 | 2021-12-07 | 上海凯利泰医疗科技股份有限公司 | Balloon cage, inflatable device and applications thereof |
| CN113749831B (en) * | 2020-06-04 | 2024-04-26 | 上海凯利泰医疗科技股份有限公司 | Balloon scaffold, inflatable device and application thereof |
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| CN113749831A (en) * | 2020-06-04 | 2021-12-07 | 上海凯利泰医疗科技股份有限公司 | Balloon cage, inflatable device and applications thereof |
| CN113749831B (en) * | 2020-06-04 | 2024-04-26 | 上海凯利泰医疗科技股份有限公司 | Balloon scaffold, inflatable device and application thereof |
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Address after: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 2 floor. Patentee after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 1 floor. Patentee before: Shanghai Kinetic Medical Co., Ltd. |