CN100506172C - Round tube type external binding apparatus - Google Patents
Round tube type external binding apparatus Download PDFInfo
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- CN100506172C CN100506172C CNB2005100401915A CN200510040191A CN100506172C CN 100506172 C CN100506172 C CN 100506172C CN B2005100401915 A CNB2005100401915 A CN B2005100401915A CN 200510040191 A CN200510040191 A CN 200510040191A CN 100506172 C CN100506172 C CN 100506172C
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- nail
- binding apparatus
- tubular type
- type external
- inner ring
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Abstract
A tubular external binding device is composed of a main body consisting of external tubular module and internal tubular module, a location regulating unit consisting of the extended push rod and slotted rod in said internal tubular module and a rear knob, and a triggered binding unit consisting of the nail push rod and nail push plate in said external tubular module and a trigger handle.
Description
Technical field
The present invention relates to implement the employed Binding Instruments of surgical operation such as bowel anastomosis, be in particular a kind of tubular type external binding apparatus, belong to technical field of medical instruments.
Technical background
Binding Instrument is a kind of medical apparatus and instruments that surgical operation often uses, and its effect is to the physiological tissues such as intestinal that are cut out the bookbinding that coincide, and makes postoperative organized renewing physiological function.The difference of Binding Instrument performance all plays crucial effects for operation process and surgical effect.The kind of Binding Instrument is many in the prior art, according to the position classification of operation back binding hole, Binding Instrument and external binding apparatus two big classes in Binding Instrument is divided into; Shape Classification according to operation back binding hole has a plurality of kinds such as tubular type binding instrument, linear type Binding Instrument.
Medical device industry is studied more deeply to Binding Instrument in the tubular type both at home and abroad at present, and new product, new technique constantly occur.But there are two broad aspect congenital defects in this Binding Instrument, the one, need near binding hole, offer cardia, and the 2nd, the binding hole becket is trapped in to be organized in the middle of the inner chamber, has both hindered postoperative to take out medical apparatus and instruments, has influence on postoperative body tissue restore funcitons again.Although modes such as people coincide in by technological improvement, adopting and expanding remedy to some extent to above-mentioned second kind of defective, first kind of defective is still inevitably.
Avoid on body tissue, opening in addition cardia, must use external binding apparatus.Comparatively speaking, the product and the patent of the relevant tubular type external binding apparatus of prior art are fewer, and according to the knowledge of the applicant, laid-open U.S. Patents US6769594, US6769590 are more typical two kinds of tubular type external binding apparatus in recent years.But, these two kinds of Binding Instruments all exist apparatus structure easy inadequately, manipulate comparatively trouble, the dissatisfactory shortcoming of surgical effect.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of prior art, provide that a kind of structure is simple and clear, easy to use, bookbinding effect more satisfactory tubular type external binding apparatus.
Purpose of the present invention realizes by following technical solution:
The tubular type external binding apparatus, have positioning regulating mechanism and percussion binder mechanism, the Binding Instrument body is provided with the reserved opening that tissue that supply and demand will bind passes, the agent structure of instrument is divided into inner ring assembly and outer coil assembly, the rear side end of inner ring assembly is equipped with the knob that usefulness is regulated in the location, fuse by the external fixation cover between inner ring assembly and the outer coil assembly, the rear side of fixed cover is equipped with lock tube outside, and the handle of implementing percussion bookbinding usefulness is installed in above the lock tube.
Purpose of the present invention also can further realize by following technical measures:
Above-mentioned tubular type external binding apparatus, wherein inner ring assembly is divided into first half and latter half, and the inside of latter half is columned fixed body, and the outside of fixed body is with the prolongation push rod, prolongs telescopic outside to be with fixed sleeving; First half outwards comprises the internal fixation cover, pushes away channel bar and nail grooving from the lining, the nail grooving is positioned at the front end of first half, and internal fixation overlaps and pushes away channel bar and constitutes by two semicircular accessories, and is serially connected by pin rod; Front and back two parts of inner ring assembly fuse by the boss of internal fixation cover with the fixed body front end, and described knob is connected with the rear side of fixed body is terminal threadably, and the front end of knob touches mutually with the rear side end face that prolongs push rod.
Further, in the above-mentioned tubular type external binding apparatus, the front end of described prolongation push rod is provided with ratchet, the front side of described fixed body is provided with halts step, halt and be provided with groove above the step, the ratchet that prolongs the push rod front end is arranged in the groove of halting step, and touches mutually with the end face that pushes away the channel bar end.
Further, in the above-mentioned tubular type external binding apparatus, the described channel bar middle part that pushes away is provided with positioning bar, is provided with ring-type constraint hole above the positioning bar, and described pin rod passes the articulated joint of internal fixation cover and pushes away the constraint hole of channel bar and they are fused.
Further, in the above-mentioned tubular type external binding apparatus, described fixed sleeving is provided with the guiding spline parallel with axis of symmetry.
Again further, in the above-mentioned tubular type external binding apparatus, described nail grooving comprises inner ring grooving and outer ring grooving two circles, and every circle is linked to be circular by four fritters through hinged or spring wire connected mode.
On the other hand, in the above-mentioned tubular type external binding apparatus, described outer coil assembly outwards comprises nail jacket casing pipe, ejector pin bar and trocar sheath successively from the lining, and they by Semicircular two hinges together; Be provided with at the telescopic front end of nail tube and put the nail hole, the outside of putting the nail hole is the ejector pin groove, in the ejector pin groove pushing slice of nail is housed, and the front end inboard of ejector pin bar is a ramp structure, and this inclined-plane is pressed in the outside of pushing slice of nail.
Further, in the above-mentioned tubular type external binding apparatus, the front-end end enclosure of described trocar sheath is provided with locking hole, and lock-screw is housed in the locking hole, and trocar sheath is fixed together by lock-screw and nail jacket casing pipe.
Again further, in the above-mentioned tubular type external binding apparatus, the telescopic rear inside of described nail tube is provided with positioning step.
Further, in the above-mentioned tubular type external binding apparatus, staggered inside and outside two circles in mutual alignment are arranged in the described nail hole of putting, and correspondingly, pushing slice of nail comprises inner ring pushing slice of nail and outer ring pushing slice of nail two circles.
The invention provides the tubular type external binding apparatus that a kind of surgical operation uses.Be divided into inner ring assembly and outer coil assembly by agent structure with instrument, prolongation push rod in the inner ring assembly, push away the knob of channel bar and instrument rear side end, constitute the critical piece of Binding Instrument positioning regulating mechanism, the percussion handle of ejector pin bar, pushing slice of nail and Binding Instrument in the outer coil assembly constitutes the critical piece that Binding Instrument is pulled the trigger binder mechanism.Compared with prior art, the present invention is a kind of tubular type external binding apparatus of new thought, at medical device industry very strong popularizing value is arranged.Its structure is simple and clear, easy to use, the bookbinding effect is more satisfactory, carries out surgical operation with it and can reduce operating procedure, shorten operating time, and postoperative is convenient to patients ' recovery.
Description of drawings
Choose exemplary embodiment contrast accompanying drawing below and be described in detail assembling of the present invention and use, so that technical scheme of the present invention and characteristics are described further.Wherein:
Fig. 1, Fig. 2 are the three-dimensional views that the present invention observes from two angles;
Fig. 3 be the present invention outside fixed cover retreat, the structural representation under the outer coil assembly open mode;
Fig. 4 is the present invention's axial section during mounting knob not;
Fig. 5 is the perspective view of outer coil assembly;
Fig. 6 is the telescopic perspective view of nail tube;
Fig. 7 is the perspective view of ejector pin bar;
Fig. 8 is the perspective view of trocar sheath;
Fig. 9 is the perspective view of inner ring assembly of the present invention;
Figure 10 is the schematic perspective view of Fig. 9 front end agent structure;
Figure 11 is the perspective view of Fig. 9 after the inner ring assembly first half is opened;
Figure 12 is the structure chart of outer ring grooving.
The implication of each Reference numeral is among the figure: 1 fixed body, and 2 prolong push rod, 3 fixed sleevings, 4 knobs, 5 lock tubes, 6 external fixation covers, 7 internal fixation covers, 8 push away channel bar, 9 nail jacket casing pipes, 10 ejector pin bars, 11 trocar sheaths, 12 guiding splines, 13 halt step, 14 boss, 15 reserved opening, 16 inner ring groovings, 17 outer ring groovings, 18 inclined-planes, 19 articulated joints, 20 hinge holes, 21 guide groove posts, 22 inner ring pushing slice of nail, 23 outer ring pushing slice of nail, 24 ejector pin grooves, 25 put the nail hole, 26 positioning steps, 27 gathering sills, 28 bearing pins, 29 positioning bars, 30 constraint holes, 31 pin rods, 32 slots to make way, 33 handles, 34 check lock levers, 35 advance boss, 36,37 locking holes, 38 orientation notches, 39 reinforcements, 40 inclined-planes, 41 end sockets.
The specific embodiment
As Fig. 1～shown in Figure 12, the agent structure and the assembly method thereof of the inner ring assembly of tubular type external binding apparatus provided by the invention are: latter half is to be enclosed within on the fixed body 1 prolonging push rod 2, and make the front end ratchet that prolongs push rod 2 be positioned at halting in the middle of the groove that step 13 is provided with above of fixed body 1, externally put fixed sleeving 3, and locked on fixed body 1 by locking hole 36; First half is the circular alignment of two semi-rings with internal fixation cover 7, two semi-rings that push away channel bar 8 are positioned on the outside, be provided with positioning bar 29 in the middle of pushing away channel bar 8, positioning bar 29 is provided with ring-type constraint hole 30, positioning bar 29 both sides are provided with the slot to make way 32 of articulated joint, and pin rod 31 passes the articulated joint of internal fixation cover 7 and pushes away the constraint hole 30 on the channel bar 8 and they are fused.After first half and latter half assemble separately, internal fixation cover 7 is enclosed within on the front end boss 14 of fixed body 1, and locked on boss 14 by locking hole half annulus of internal fixation cover 7.
In the middle of the interior coil structures, the nail grooving is installed in accordance with the following methods: earlier four outer ring groovings 17 according to articulated joint on it 19 and the hinge hole 20 usefulness pins annulus of formation of contacting in twos, and leave an opening part, be convenient to open after operation finishes.The guide groove post 21 of this annulus by four outer ring grooving 17 outsides falls into the groove that internal fixation overlaps 7 ends and locatees, the place of being end-to-end of annulus keeps active open and fixes without pin, so that the diameter of annulus can suitably be regulated, and the inclined-plane 18 on the outer ring grooving 17 is pressed on the front end inclined-plane that pushes away channel bar 8; Inner ring grooving 16 includes four fritters, each fritter is connected on the front end inclined-plane of the outer surface that pushes away channel bar 8 with spring wire respectively, and pressing on the concave station of outer ring grooving 17 outer surfaces, be enclosed within circlewise and push away on the channel bar 8, and push away between the channel bar 8 post, groove and locate by mutual coupling.
The assembling of nail grooving just becomes one group of complete inner ring assembly after finishing.Wherein, under the cooperation of slot to make way 32, pushing away channel bar 8 can rotate in a circumferential direction alone, carries out circumferential folding synchronously with internal fixation cover 7 again after being rotated in place; Under the guiding of pin rod 31, pushing away channel bar 8 can relatively move with internal fixation cover 7 vertically.Horizontal when mobile when pushing away channel bar 8, have an effect be shaped poor 16 inclined-plane of outer ring grooving 17, inner ring, make the be shaped diameter of poor 16 annulus that form of outer ring grooving 17, inner ring obtain the expansion of respective degrees simultaneously.
When assembling outer coil assembly, first half of assembling outer ring structure: put into binding stable putting nail 25 inside, hole, aim at ejector pin groove 24, front end at semicircular nail jacket casing pipe 9 inserts inner ring pushing slice of nail 22 and outer ring pushing slice of nail 23 respectively, and adds elastic wire respectively between the ejector pin groove 24 on inner ring pushing slice of nail 22, outer ring pushing slice of nail 23 and the nail jacket casing pipe 9; Be inserted in semicircular ejector pin bar 10 in the outside of nail jacket casing pipe 9 again, make both preformed hole 15 alignment.At this moment, the inboard of ejector pin bar 10 contacts with the reinforcement 39 of nail jacket casing pipe 9 outer surfaces, and the interior inclined-plane 40 of ejector pin bar 10 front ends is pressed on inner ring pushing slice of nail 22 and the outer ring pushing slice of nail 23.Then the front end of trocar sheath 11 from nail jacket casing pipe 9 is inserted in, makes the alignment of preformed hole and locking hole, and in the locking hole 37 of end socket 41, load onto lock-screw, trocar sheath 11 is fixed on above the nail jacket casing pipe 9.Similarly, assemble an other semi outer rings assembly by top method, the outer coil assembly of two semicirculars is matched according to the articulated joint that it is provided with above, insert bearing pin 28, making it to become in the time of can opening and close be complete circular outer coil assembly.
Whole assembling: the outer coil assembly that assembles is opened, made it to wrap in the periphery of inner ring assembly, and then close, and the gathering sill 27 of following closely jacket casing pipe 9 rear inside is cooperated with guiding spline 12 on the fixed sleeving 3.Then, be inserted in external fixation cover 6 from the afterbody of inner ring assembly, the muscle on making its inner orientation notches 38 and following closely jacket casing pipe 9 cooperates; Be inserted in lock tube 5 from the Binding Instrument afterbody, the notch that makes lock tube 5 inside also cooperates with guiding spline 12 on the fixed sleeving 3; Be inserted in U type handle 33, the check lock lever 34 at handle 33 two ends is penetrated in the hole above the lock tube 5, the propelling boss 35 at handle 33 two ends enters into the notch of external fixation cover 6; Promote handle 33 and lock tube 5 again, drive the whole and external fixation cover 6 of outer coil assembly on the spline 12 that leads towards the front end slippage.When the positioning step 26 of nail jacket casing pipe 9 afterbodys and fixed body 1 halt step 13 when inconsistent, the check lock levers 34 above the handle 33 slip in the middle of the fixed sleeving 3 corresponding locking holes 36, locked outer coil assembly and external fixation overlap parts such as 6.At last, screw on knob 4, finish the integral body assembling of Binding Instrument at the afterbody of Binding Instrument.
The present invention moves U type handle 33 earlier in use, makes the check lock lever 34 on the handle 33 break away from fixed sleeving 3.Integral body moves outer coil assembly backward, the forming tank zone of inner ring assembly front end is exposed, the reserved opening 15 of one end of the intestines that are in sheets (or other tissue) from the Binding Instrument that assembles penetrated, until the inner ring assembly head, outwards the turnover intestinal tube makes it volt on inside and outside circle forming tank 16,17, again other end intestines are covered on the intestines that packaged, promote handle 33 and lock tube 5 then forward, drive the slippage on guiding spline 12 of external fixation cover 6 and integral outer ring's assembly.
When the positioning step 26 of nail jacket casing pipe 9 afterbodys and fixed body 1 halt step 13 when inconsistent, the check lock lever 34 of handle 33 slips in the middle of the fixed sleeving 3 corresponding locking holes 36, locked outer coil assembly and external fixation overlap parts such as 6.Rotate the knob 4 of Binding Instrument afterbody then, promote to prolong push rod 2 forward, prolong push rod 2 and promote channel bar 8 forward, inside and outside circle forming tank 16,17 is radially enlarged, thereby the two-layer intestinal wall that is in sheets is pressed on the inwall of outer coil assembly by the ratchet that is arranged in the groove of halting step 13.The degree that compresses is controlled by the displacement of knob 4.
During percussion, pull down wrench 33, make the propelling boss 35 on the spanner 33 promote ejector pin bar 10 forward, the interior inclined-plane 40 of ejector pin bar 10 front ends is to axis direction compressing inner ring pushing slice of nail 22 and outer ring pushing slice of nail 23, and then pull the trigger to put and follow closely hole 25 inner prepositioned binding stables, to organizing and implementing the bookbinding operation.
After the tissue bookbinding, move handle 33, make the check lock lever 34 of handle 33 break away from fixed sleeving 3, move backward and make the outer coil assembly of external fixation cover 6 disengagings, open outer coil assembly then and take away, rotation pushes away channel bar 8 about 45 ° again, drive inner ring grooving 16 and put in place, make to push away channel bar 8 and be in same position, just can open the first half of inner ring assembly with the strapping wires that internal fixation overlaps 7 parts such as grade, stapled intestines are broken away from come, thereby finish whole bookbinding operation.
Claims (10)
1. tubular type external binding apparatus, have positioning regulating mechanism and percussion binder mechanism, the agent structure of Binding Instrument is provided with the reserved opening that tissue that supply and demand will bind passes, this agent structure is divided into inner ring assembly and outer coil assembly, fuse by the external fixation cover between inner ring assembly and the outer coil assembly, the rear side of fixed cover is equipped with lock tube outside, the handle of implementing percussion bookbinding usefulness is installed in above the lock tube, it is characterized in that: the rear side end of described inner ring assembly is equipped with the knob that usefulness is regulated in the location, described outer coil assembly outwards comprises nail jacket casing pipe successively from the lining, ejector pin bar and trocar sheath, be provided with at the telescopic front end of nail tube and put the nail hole, put in the nail hole and be provided with binding stable.
2. tubular type external binding apparatus according to claim 1, it is characterized in that: described inner ring assembly is divided into first half and latter half, the the inside of latter half is columned fixed body, and the outside of fixed body is with the prolongation push rod, and the outside that prolongs push rod is with fixed sleeving; First half outwards comprises the internal fixation cover, pushes away channel bar and nail grooving from the lining, the nail grooving is positioned at the front end of first half, and internal fixation overlaps and pushes away channel bar and constitutes by two semicircular accessories, and is serially connected by pin rod; Front and back two parts of inner ring assembly fuse by the boss of internal fixation cover with the fixed body front end, and described knob is connected with the rear side of fixed body is terminal threadably, and the front end of knob touches mutually with the rear side end face that prolongs push rod.
3. tubular type external binding apparatus according to claim 2, it is characterized in that: the front end of described prolongation push rod is provided with ratchet, the front side of described fixed body is provided with halts step, halt and be provided with groove above the step, the ratchet that prolongs the push rod front end is arranged in the groove of halting step, and touches mutually with the end face that pushes away the channel bar end.
4. tubular type external binding apparatus according to claim 2, it is characterized in that: the described channel bar middle part that pushes away is provided with positioning bar, be provided with ring-type constraint hole above the positioning bar, described pin rod passes the articulated joint of internal fixation cover and pushes away the constraint hole of channel bar and they are fused.
5. tubular type external binding apparatus according to claim 2 is characterized in that: described fixed sleeving is provided with the guiding spline of the central axes of Binding Instrument therewith.
6. tubular type external binding apparatus according to claim 2 is characterized in that: described nail grooving comprises inner ring grooving and outer ring grooving two circles, and every circle is linked to be circular by four fritters through hinged or spring wire connected mode.
7. tubular type external binding apparatus according to claim 1 is characterized in that: described nail jacket casing pipe, ejector pin bar and trocar sheath are in the same place by Semicircular two hinges; In the telescopic outside of putting the nail hole of nail tube is the ejector pin groove, in the ejector pin groove pushing slice of nail is housed, and the front end inboard of ejector pin bar is a ramp structure, and this inclined-plane is pressed in the outside of pushing slice of nail.
8. tubular type external binding apparatus according to claim 7 is characterized in that: the front-end end enclosure of described trocar sheath is provided with locking hole, and lock-screw is housed in the locking hole, and trocar sheath is fixed together by lock-screw and nail jacket casing pipe.
9. tubular type external binding apparatus according to claim 7 is characterized in that: the telescopic rear inside of described nail tube is provided with positioning step.
10. tubular type external binding apparatus according to claim 7 is characterized in that: staggered inside and outside two circles in mutual alignment are arranged in the described nail hole of putting, and correspondingly, pushing slice of nail comprises inner ring pushing slice of nail and outer ring pushing slice of nail two circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401915A CN100506172C (en) | 2005-05-24 | 2005-05-24 | Round tube type external binding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401915A CN100506172C (en) | 2005-05-24 | 2005-05-24 | Round tube type external binding apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1868412A CN1868412A (en) | 2006-11-29 |
| CN100506172C true CN100506172C (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100401915A Active CN100506172C (en) | 2005-05-24 | 2005-05-24 | Round tube type external binding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100506172C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008011753A1 (en) * | 2006-07-19 | 2008-01-31 | Suzhou Touchstone International Medical Science Co., Ltd. | A tubular outer stapler |
| CN102048569B (en) * | 2009-10-27 | 2012-09-19 | 苏州天臣国际医疗科技有限公司 | Circular-pipe binding instrument for minimally invasive surgery |
| CN115517731B (en) * | 2021-01-08 | 2023-04-18 | 薛建新 | Anastomat |
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2005
- 2005-05-24 CN CNB2005100401915A patent/CN100506172C/en active Active
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| Publication number | Publication date |
|---|---|
| CN1868412A (en) | 2006-11-29 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 international science and Technology Park, 328 Airport Road, Suzhou Industrial Park, Suzhou, Jiangsu, A405 Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |