CN101317777B - Medical instrument with needle and knife - Google Patents
Medical instrument with needle and knife Download PDFInfo
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- CN101317777B CN101317777B CN2007101085473A CN200710108547A CN101317777B CN 101317777 B CN101317777 B CN 101317777B CN 2007101085473 A CN2007101085473 A CN 2007101085473A CN 200710108547 A CN200710108547 A CN 200710108547A CN 101317777 B CN101317777 B CN 101317777B
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Abstract
The invention discloses a medical instrument that comprises a flexible jacket, a pivotal pedestal, a medical acusector pedestal, a medical acusector and a hand piece. The flexible jacket is provided with a far-side jacket part which can be inserted into the body of a patient and a near-side jacket part. The pivotal pedestal is connected with the far-side jacket part. The acusector pedestal is pivotally connected with the pivotal pedestal and provided with a channel. The medical acusector can extend out of and retract into the channel. The hand piece is connected with the near-side jacket part. The hand piece is connected to the near-side jacket part and comprises a manually operated joint motion controller. The manually operated joint motion controller is connected with the acusector pedestal in an operable way, so the acusector pedestal can make pivotal motion relative to the pivotal pedestal.
Description
Technical field
The present invention relates generally to medical apparatus and instruments, more specifically, relates to the medical apparatus and instruments that has the pin cutter.
Background technology
Known endoscope (comprising colonoscope) has can insert the intravital insertion tube of patient.Insertion tube has the distal portions of articulatable, and it is by the line traffic control on the control handle on the handle that extends to endoscope from distal portions.Wide-angle imaging machine in the insertion tube far-end allows to carry out medical observation.In a kind of example, insertion tube has two service aisles.Medical apparatus and instruments (such as medical needle-knife and medical nipper) is the part of endoscopic system, can insert in the relevant work passage of insertion tube of endoscope, but and translation be used for therapeutic treatment to stretch out from distal portions.Using draught line to make end effector also is known around other medical treatment devices that trunnion carries out joint motions.
Scientists and engineers still continue to seek the improved medical apparatus and instruments that has the pin cutter.
Summary of the invention
First kind of one embodiment of the present invention takes the form of a kind of medical apparatus and instruments, and it comprises flexible shroud, pivot pedestal, medical needle-knife pedestal, medical needle-knife and handpiece.Flexible shroud has and can insert the intravital distal sheath of patient part and have the proximal sheath part.The pivot pedestal is connected on the distal sheath part.Pin cutter pedestal is pivotably connected on the pivot pedestal and has passage.Medical needle-knife can stretch out also from said passage and can retract to the said passage.Handpiece is connected to proximal sheath part and comprise can manually operated joint motions controller, and said joint motions controller is operably connected to pin cutter pedestal, is used to make pin cutter pedestal to pivot with respect to the pivot pedestal.
Second kind of embodiment of the present invention takes the form of a kind of medical apparatus and instruments, but it comprises the joint motions cable of flexible shroud, pivot pedestal, medical needle-knife pedestal, medical needle-knife, handpiece and longitudinal translation.Flexible shroud has can insert the intravital distal sheath part of patient, has the proximal sheath part, and has first inner chamber.The pivot pedestal is connected on the distal sheath part.The medical needle-knife pedestal is pivotably connected on the pivot pedestal and has passage.Medical needle-knife can stretch out also from said passage and can retract to the said passage.Handpiece is connected to proximal sheath part and comprises handpiece main body, joint motions cam drive (articulation cam gear) and can manually operated button.The joint motions cam drive is pivotably connected on the handpiece main body.Button is operably connected on the joint motions cam drive, is used to make the joint motions cam drive to pivot with respect to the handpiece main body.The joint motions cable is arranged in first chamber and comprises distally cable part and nearside cable part.The distally cable partly is operably connected to pin cutter pedestal, is used for when the joint motions cable carries out longitudinal translation, making pin cutter pedestal to pivot with respect to the pivot pedestal.The nearside cable partly is operably connected to the joint motions cam drive, and wherein, the pivot of joint motions cam drive makes joint motions cable longitudinal translation.
The third of embodiment of the present invention takes the form of a kind of medical apparatus and instruments, and it comprises flexible shroud, pivot pedestal, medical needle-knife pedestal, medical needle-knife and handpiece.Flexible shroud has can insert the intravital distal sheath part of patient, has the proximal sheath part, and has first inner chamber.The pivot pedestal is connected on the distal sheath part.The medical needle-knife pedestal is pivotably connected on the pivot pedestal and has passage.Medical needle-knife can stretch out also from said passage and can retract to the said passage.Handpiece be connected to proximal sheath part and comprise can manually operated joint motions controller, handpiece main body, the knob that can manually rotate and driving shaft.The joint motions controller is operably connected on the pin cutter pedestal, is used to make pin cutter pedestal to pivot with respect to the pivot pedestal.The handpiece main body has the nearside body end.Knob is arranged in nearside body end place.Driving shaft is arranged in the handpiece main body; Has the distally drive shaft section on the proximal sheath of being connected to part; And have the nearside drive shaft section that is connected on the knob, wherein, knob makes driving shaft rotate with respect to the rotation of handpiece main body; The rotation of driving shaft makes flexible shroud rotate, and the rotation of flexible shroud makes the pivot pedestal rotate.
One or more forms of expression through embodiment of the present invention can obtain some benefits and advantage.In first kind of example; Flexible shroud is inserted in the service aisle of flexible insertion tube of endoscope; Wherein therefore pin cutter pedestal (and medical needle-knife) can carry out joint motions with respect to endoscope's insertion tube, allows medical needle-knife with respect to the wide-angle imaging machine of endoscope and the medical nipper separate alignment of for example stretching out from second service aisle of endoscope's insertion tube thus.In second kind of example; Flexible shroud and/or pivot pedestal have sheath and/or the pedestal track element to endoscope; Allow flexible shroud and/or pivot pedestal be connected to endoscope flexible insertion tube outer rail and slide along it, allow medical needle-knife with respect to the wide-angle imaging machine of endoscope and the medical nipper separate alignment of for example stretching out thus from second service aisle of endoscope's insertion tube.In a kind of variation, pin cutter pedestal can carry out joint motions and rotation with respect to medical needle-knife, and medical needle-knife can carry out translation from the passage of pin cutter pedestal, to stretch out and to retract in the passage.
Particularly, the invention discloses following content:
(1). a kind of medical apparatus and instruments comprises:
A) flexible shroud, it has and can insert the intravital distal sheath of patient part and have the proximal sheath part;
B) be connected to pivot pedestal on the distal sheath part;
C) medical needle-knife pedestal, it can be connected on the pivot pedestal pivotally and have passage;
D) medical needle-knife, it can stretch out also from said passage and can retract to the said passage; With
E) handpiece, it is connected to proximal sheath part and comprise can manually operated joint motions controller, and said joint motions controller is operably connected to pin cutter pedestal, is used to make pin cutter pedestal to pivot with respect to the pivot pedestal.
(2). according to (1) described medical apparatus and instruments, wherein, pin cutter pedestal, pivot pedestal and distal sheath part can be inserted in the service aisle of soft endoscope insertion tube.
(3). according to (1) described medical apparatus and instruments, wherein, handpiece comprises can manually operated translational controller, and this translational controller is operably connected on the medical needle-knife, is used for making medical needle-knife to stretch out and be used to make medical needle-knife to retract to passage from passage.
(4). according to (3) described medical apparatus and instruments, wherein, handpiece comprises the electric connector that can be electrically connected on the medical needle-knife.
(5). according to (4) described medical apparatus and instruments, wherein, handpiece comprises the handpiece main body, and wherein, proximal sheath partly has centrage, and can be rotated around said centrage with respect to the handpiece main body.
(6). according to (5) described medical apparatus and instruments; Wherein, Handpiece comprises can manually operated Rotation Controllers, and this Rotation Controllers is operably connected on the proximal sheath part, is used to make the proximal sheath part to be rotated around said centrage with respect to the handpiece main body.
(7). according to (1) described medical apparatus and instruments, wherein, medical needle-knife can be endowed electric energy, and wherein, pin cutter pedestal can not be endowed electric energy through said medical needle-knife.
(8). a kind of medical apparatus and instruments comprises:
A) flexible shroud, it has can insert the intravital distal sheath part of patient, has the proximal sheath part, and has first inner chamber;
B) be connected to pivot pedestal on the distal sheath part;
C) medical needle-knife pedestal, it is pivotably connected on the pivot pedestal and has passage;
D) medical needle-knife, it can stretch out also from said passage and can retract to the said passage; With
E) handpiece, it is connected to the proximal sheath part and comprises:
(1) handpiece main body;
(2) be pivotably connected to joint motions cam drive on the handpiece main body; With
(3) can manually operated button, it is operably connected on the joint motions cam drive, is used to make the joint motions cam drive to pivot with respect to the handpiece main body; With
F) but the joint motions cable of longitudinal translation, it is arranged in first chamber and comprises:
(1) distally cable part, it is operably connected to pin cutter pedestal, is used for when the joint motions cable carries out longitudinal translation, making pin cutter pedestal to pivot with respect to the pivot pedestal; With
(2) nearside cable part, it is operably connected to the joint motions cam drive, and wherein, the pivot of joint motions cam drive makes joint motions cable longitudinal translation.
(9). according to (8) described medical apparatus and instruments, wherein, pin cutter pedestal, pivot pedestal and distal sheath part can be inserted in the service aisle of soft endoscope insertion tube.
(10). according to (8) described medical apparatus and instruments, wherein, flexible shroud has second inner chamber; But handpiece comprises the pin cutter handle of manual translation; Said medical apparatus and instruments also comprises the startup seal wire that is arranged in second inner chamber, starts seal wire and has distal guide part and proximal guidewire part, wherein; Distal guide partly is connected on the medical needle-knife, and proximal guidewire partly is connected on the pin cutter handle.
(11). according to (10) described medical apparatus and instruments, wherein, distal guide partly is integrally connected on the medical needle-knife.
(12). according to (10) described medical apparatus and instruments, also comprise electric connector, electric connector is connected on the pin cutter handle, and is electrically connected on the proximal guidewire part.
(13). according to (12) described medical apparatus and instruments, wherein, proximal sheath partly has centrage, and can be rotated around centrage with respect to the handpiece main body.
(14). according to (13) described medical apparatus and instruments, wherein, handpiece comprises can manually operated Rotation Controllers, and it is operably connected on the proximal sheath part, is used to make the proximal sheath part to be rotated around centrage with respect to the handpiece main body.
(15). a kind of medical apparatus and instruments comprises:
A) flexible shroud, it has can insert the intravital distal sheath part of patient, has the proximal sheath part, and has first inner chamber;
B) be connected to pivot pedestal on the distal sheath part;
C) medical needle-knife pedestal, it is pivotably connected on the pivot pedestal and has passage;
D) medical needle-knife, it can stretch out also from said passage and can retract to the said passage; With
E) handpiece, it is connected to the proximal sheath part and comprises:
(1) can manually operated joint motions controller, it is operably connected to pin
On the cutter pedestal, be used to make pin cutter pedestal to pivot with respect to the pivot pedestal;
(2) handpiece main body, it has the nearside body end;
The knob that (3) can manually rotate, it is arranged in nearside body end place; With
(4) be arranged in driving shaft in the handpiece main body; It has the distally drive shaft section on the proximal sheath of being connected to part; And have the nearside drive shaft section that is connected on the knob, wherein, knob makes driving shaft rotate with respect to the rotation of handpiece main body; The rotation of driving shaft makes flexible shroud rotate, and the rotation of flexible shroud makes the pivot pedestal rotate.
(16). according to (15) described medical apparatus and instruments, wherein, pin cutter pedestal, pivot pedestal and distal sheath part can be inserted in the service aisle of soft endoscope insertion tube.
(17). according to (15) described medical apparatus and instruments, also comprise:
(1) joint motions cam drive, it is pivotably connected on the handpiece main body;
(2) can manually operated button, it is operably connected on the joint motions cam drive, is used to make the joint cam drive to pivot with respect to the handpiece main body; With
(3) but the joint motions cable of longitudinal translation; It is arranged in first inner chamber, has the distally cable part that is operably connected with pin cutter pedestal, is used for carrying out longitudinal translation at the joint motions cable pin cutter pedestal is pivoted with respect to the pivot pedestal; And has a nearside cable part; It is operably connected to the joint motions cam drive, and wherein, the pivot of joint motions cam drive makes joint motions cable longitudinal translation.
(18). according to (17) described medical apparatus and instruments; Also comprise the rotary connector that is arranged in the handpiece main body, it is around driving shaft, can carry out longitudinal translation with respect to driving shaft but can not rotate with respect to driving shaft; Wherein, The nearside cable partly is connected to rotary connector, and rotary connector has circumferential recess, and the joint motions cam drive has the pin with engage; The pivot of joint motions cam drive makes rotary connector with respect to the driving shaft longitudinal translation, and this makes the joint motions cable with respect to the flexible shroud longitudinal translation.
(19). according to (18) described medical apparatus and instruments, wherein, flexible shroud has second inner chamber; But handpiece comprises the pin cutter handle of manual translation; Said medical apparatus and instruments also comprises the startup seal wire that is arranged in second inner chamber, starts seal wire and has distal guide part and proximal guidewire part, wherein; Distal guide partly is connected on the medical needle-knife, and proximal guidewire partly is connected on the pin cutter handle.
(20). according to (19) described medical apparatus and instruments, wherein, distal guide partly is integrally connected on the medical needle-knife.
(21). according to (19) described medical apparatus and instruments, also comprise electric connector, electric connector is connected on the pin cutter handle, and is electrically connected on the proximal guidewire part.
Description of drawings
Fig. 1 is the end perspective view of a kind of embodiment of medical apparatus and instruments of the present invention;
Fig. 2 is the view of portions of proximal of the medical apparatus and instruments of Fig. 1, and half in the handpiece main body wherein dimerous is removed and shows flexible shroud with cutaway view;
Fig. 3 is the cutaway view that rotary connector and the driving shaft of Fig. 2 got along the line 3-3 of Fig. 2;
Fig. 4 is the face upwarding view of a part of the handpiece of Fig. 2;
Fig. 5 is the guide wire of alternative shape of the medical apparatus and instruments of Fig. 2;
Fig. 6 is the backside perspective view of a part of handpiece of the medical apparatus and instruments of Fig. 2;
Fig. 7 is the enlarged perspective of distal part of the medical apparatus and instruments of Fig. 1;
Fig. 8 is the sectional view of distal part of the medical apparatus and instruments of Fig. 7, shows distal part and extends from the service aisle of endoscope's insertion tube; With
Fig. 9 is pin cutter handle and the schematic cross sectional views of electric connector of the medical apparatus and instruments of Fig. 1.
The specific embodiment
Before illustrated in detail the present invention, need to prove that the present invention is not limited to use or be used in the structure of the parts shown in the drawing and description and the details of layout.Exemplary embodiment of the present invention can realize in other embodiment, variation and modification or be bonded to wherein, and can put into practice in every way or realize.In addition, only if specialize, the term that adopts in this article and the selection of expression are readers and describe the purpose of exemplary embodiment of the present invention for ease, rather than from limiting the object of the invention.
Should be understood that the form of expression of any or multiple following embodiment, example etc. can make up with the form of expression of any or multiple following other embodiment, example etc.
Referring now to accompanying drawing,, wherein identical Reference numeral is represented components identical in institute's drawings attached, and Fig. 1 to 8 shows embodiment of the present invention.First kind of Fig. 1 to 8 illustrated embodiment takes the form of medical apparatus and instruments 10, and it comprises flexible shroud 12, pivot pedestal 14, medical needle-knife pedestal 16, medical needle-knife 18 and handpiece 20.Flexible shroud 12 has can insert the intravital distal sheath part 22 of patient, and has proximal sheath part 24.Pivot pedestal 14 is installed on the distal sheath part 22.Pin cutter pedestal 16 is pivotably connected to pivot pedestal 14 and has passage 26.Medical needle-knife 18 can stretch out from passage 26, and can be retracted in the passage 26.Handpiece 20 is connected to proximal sheath portion 24 and comprises manually operated joint motions controller 28, and joint motions controller 28 is operably connected to pin cutter pedestal 16, is used to make pin cutter pedestal 16 to pivot with respect to pivot pedestal 14.
In a kind of application of first kind of form of expression of the embodiment of Fig. 1 to 8, pin cutter pedestal 16, pivot pedestal 14 and distal sheath part 22 can be inserted in the service aisle 30 of soft endoscope insertion tube 32.
In a kind of implementation of first kind of form of expression of the embodiment of Fig. 1 to 8; Handpiece 20 comprises manually operated translational controller 34; Translational controller 34 is operably connected to medical needle-knife 18, is used for making medical needle-knife 18 to stretch out and be used to make medical needle-knife 18 to be retracted in passage 26 from passage 26.In a kind of variation, handpiece 20 comprises the electric connector 36 that is electrically connected with medical needle-knife 18.In a kind of modification, handpiece 20 comprises handpiece main body 38, and proximal sheath part 24 has centrage 40 and can be with respect to handpiece main body 38 around centrage 40 rotation.In a kind of example, handpiece 20 comprises manually operated Rotation Controllers 42, and it is operably connected to proximal sheath part 24, is used to make proximal sheath part 24 to rotate around centrage 40 with respect to handpiece main body 38.
In a kind of layout of first kind of form of expression of the embodiment of Fig. 1 to 8, medical needle-knife 18 is that (for example by electric connector 36) can be endowed electric energy, and medical needle-knife pedestal 16 can not be endowed electric energy through medical needle-knife 18.Making medical needle-knife pedestal 16 not give electric energy through medical needle-knife 18 can realize through the whole bag of tricks; Such as but not limited to being pedestals of electric insulation through making medical needle-knife pedestal 16; Through making medical needle-knife pedestal 16 are the conductive bases that have electric insulation coating layer at least around passage 26; Perhaps through to make medical needle-knife pedestal 16 are conductive bases but medical needle-knife 18 is all surrounded by electrical insulator 94 except distal tip is insulated; Wherein when not insulated distal tip returns in the passage 26, in passage 26, there is insulating the air gap centering between the wall of passage 26 of not insulated distal tip and pin cutter pedestal 16 always.
Second kind of the embodiment of Fig. 1 to 8 takes the form of medical apparatus and instruments 10, but it comprises the joint motions cable 44 of flexible shroud 12, pivot pedestal 14, medical needle-knife pedestal 16, medical needle-knife 18, handpiece 20 and longitudinal translation.Flexible shroud 12 has can insert the intravital distal sheath part 22 of patient, has proximal sheath part 24, and has first inner chamber 46.Pivot pedestal 14 is connected on the distal sheath part 22.Pin cutter pedestal 16 is pivotably connected to pivot pedestal 14 and has passage 26.Medical needle-knife 18 can stretch out from passage 26, and can retract in the passage 26.Handpiece 20 is connected to proximal sheath part 24, and comprises handpiece main body 38, joint motions cam drive 48 and manually operated button 50.Joint motions cam drive 48 is pivotably connected to handpiece main body 38.Button 50 is operably connected to joint motions cam drive 48, is used to make joint motions cam drive 48 to pivot with respect to handpiece main body 38.Joint motions cable 44 is arranged in first inner chamber 46, and comprises distally cable part 52 and nearside cable part 54.Distally cable part 52 is operably connected to pin cutter pedestal 16, is used for when joint motions cable 44 carries out longitudinal translation, making pin cutter pedestal 16 to pivot with respect to pivot pedestal 14.Nearside cable part 54 is operably connected to joint motions cam drive 48, and wherein, the pivot of joint motions cam drive 48 makes joint motions cable 44 longitudinal translations.
Should be noted that term " cable " comprises any elongate members.In a kind of selection of material, joint motions cable 44 comprises Nitinol, is made up of Nitinol basically or is made up of Nitinol.Application, variation, modification and the example of first kind of form of expression that should be noted that the embodiment of Fig. 1 to 8 can be applied in second kind of form of expression of embodiment of Fig. 1 to 8 with being equal to.In a kind of example, button 50 is buttons of spring bias voltage.
In a kind of implementation of second kind of form of expression of the embodiment of Fig. 1 to 8, flexible shroud 12 has second inner chamber 56, but handpiece 20 comprises the pin cutter handle 58 of manual translation.In a kind of variation, medical apparatus and instruments 10 also comprises the startup seal wire 60 that is arranged in second inner chamber 56, and it has distal guide part 62 and proximal guidewire part 64.In a kind of modification, distal guide part 62 is connected on the medical needle-knife 18, and proximal guidewire part 64 is connected on the pin cutter handle 58.In a kind of example, distal guide part 62 is integrally connected on the medical needle-knife 18.Thus, in this example, distal guide part 62 is two parts of a continuous member with medical needle-knife 18.In a kind of diagram, starting seal wire 60 is two parts of a continuous member with medical needle-knife 18.
Should be noted that term " seal wire " comprises any elongate members.In a kind of selection of material, start seal wire 60 (or its conductor part) and comprise Nitinol, constitute by Nitinol basically or constitute by Nitinol.
The third of the embodiment of Fig. 1 to 8 takes the form of medical apparatus and instruments 10, and it comprises flexible shroud 12, pivot pedestal 14, medical needle-knife pedestal 16, medical needle-knife 18 and handpiece 20.Flexible shroud 12 has can insert the intravital distal sheath part 22 of patient, has proximal sheath part 24, and has first inner chamber 46.Pivot pedestal 14 is connected on the distal sheath part 22.Pin cutter pedestal 16 is pivotably connected to pivot pedestal 14 and has passage 26.Medical needle-knife 18 can stretch out from passage 26, and can retract in the passage 26.Handpiece 20 is connected to proximal sheath part 24, and comprises manually operated joint motions controller 28, handpiece main body 38, the knob 66 that can manually rotate and driving shaft 68.Joint motions controller 28 is operably connected to pin cutter pedestal 16, is used to make pin cutter pedestal 16 to pivot with respect to pivot pedestal 14.Handpiece main body 38 has nearside body end 70.Knob 66 is arranged in nearside body end 70 places.Driving shaft 68 is arranged in the handpiece main body 38; Has the distally drive shaft section 72 that is connected on the proximal sheath part 24; And have the nearside drive shaft section 74 that is connected on the knob 66, wherein, knob 66 makes driving shaft 68 rotate with respect to the rotation of handpiece main body 38; The rotation of driving shaft 68 makes flexible shroud 12 rotate, and the rotation of flexible shroud 12 makes pivot pedestal 14 rotate.
Implementation, variation, modification and the example of second kind of form of expression of embodiment of application and variation and Fig. 1 to 8 of first kind of form of expression that should be noted that the embodiment of Fig. 1 to 8 can be applied in the third form of expression of embodiment of Fig. 1 to 8 with being equal to.
In a kind of implementation of the third form of expression of the embodiment of Fig. 1 to 8, but medical apparatus and instruments 10 also comprises the joint motions cable 44 of joint motions cam drive 48, manually operated button 50 and longitudinal translation.Joint motions cam drive 48 is pivotably connected on the handpiece main body 38.Button 50 is operably connected to joint motions cam drive 48, is used to make joint motions cam drive 48 to pivot with respect to handpiece main body 38.Joint motions cable 44 is arranged in first inner chamber 46, and comprises distally cable part 52 and nearside cable part 54.Distally cable part 52 is operably connected on the pin cutter pedestal 16, is used for when joint motions cable 44 carries out longitudinal translation, making pin cutter pedestal 16 to pivot with respect to pivot pedestal 14.Nearside cable part 54 is operably connected to joint motions cam drive 48, and wherein, the pivot of joint motions cam drive 48 makes joint motions cable 44 longitudinal translations.
In a kind of embodiment of the third form of expression of the embodiment of Fig. 1 to 8; Medical apparatus and instruments 10 also comprises the rotary connector 76 that is arranged in the handpiece main body 38; It can still can not rotate with respect to driving shaft 68 with respect to driving shaft 68 longitudinal translations around driving shaft 68.Nearside cable part 54 is connected to rotary connector 76, and rotary connector 76 has circumferential recess 78.Joint motions cam drive 48 has the pin 80 that engages with recess 78; Wherein the pivot of joint motions cam drive 48 makes rotary connector 76 with respect to driving shaft 68 longitudinal translations, and this makes joint motions cable 44 with respect to flexible shroud 12 longitudinal translations again.
In a kind of unshowned example of the embodiment of the medical apparatus and instruments 10 of Fig. 1 to 8, pivot pedestal 14 is suitable for being connected to the outer rail of soft endoscope insertion tube 32 and along its slip.In a kind of operation, spur pin cutter handle 58 so that medical needle-knife 18 is withdrawn in the passage 26.Then, pin cutter pedestal 16 is connected on the outer rail of endoscope's insertion tube 32, and the far-end of endoscope's insertion tube 32 has been positioned at the tissue site that patient's body need carry out medical care at this moment.Then, promote flexible shroud 12, so that pin cutter pedestal 16 slides into the far-end of endoscope's insertion tube 32.At a time, medical nipper (not shown) has been inserted in the service aisle 30 of endoscope's insertion tube 32, and carries out translation and stretch out with the far-end from endoscope's insertion tube 32, and wherein, endoscope's insertion tube 32 joint motions are to aiming at medical nipper.Then, promote pin cutter handle 58,, wherein, press the button 50 and/or rotary knob 66, aim at medical needle-knife 18 with the aligning that is independent of medical nipper so that medical needle-knife 18 stretches out from passage 26.Then, medical needle-knife 18 is used for the tissue of management of patients.
In the another kind operation, pin cutter pedestal 16, pivot pedestal 14 and distal sheath part 22 are inserted in first service aisle of soft endoscope insertion tube, and medical nipper is inserted in the second service aisle (not shown) of endoscope's insertion tube.Those skilled in the art also can expect using other endoscopies and the operation of non-endoscope of the embodiment of medical apparatus and instruments shown in Fig. 1 to 8 10.
In a kind of structure of the embodiment of Fig. 1 to 8, the trunnion 82 that connects that is used to pivot is provided with as shown in the figurely.In a kind of variation, electric connector 36 is banana plugs.In a kind of modification; Distally cable part 52 is connected on the tooth bar 84 that is arranged in the pivot pedestal 14; Pin cutter pedestal 16 comprises the gear teeth 86 that operationally engages with tooth bar 84; Wherein, the longitudinal translation of joint motions cable 44 moves tooth bar 84, and this makes pin cutter pedestal 16 carry out joint motions with respect to pivot pedestal 14 around the trunnion 82 that links with pin cutter pedestal 16.In a kind of example; Rotary connector 76 comprises the rib 88 that extends internally; It is the surface groove 90 in the engages drive shaft 68 slidably, carries out longitudinal translation to allow rotary connector 76 with respect to driving shaft 68, prevents that simultaneously rotary connector 76 is with respect to driving shaft 68 rotations.Thus, when turning knob 66 also rotated pin cutter pedestal 16 thus with rotating driveshaft 68, joint motions cable 44 can not twisted together.In a kind of application, when medical needle-knife 18 is retracted in the passage 26, start seal wire 60 and patient's electric insulation, for example with seal wire insulator and/or insulation system electric insulation on every side.In a kind of structure, start seal wire 60 and comprise the electric conductor 92 that surrounds by electrical insulator 94.In a kind of design, handpiece 20 comprises finger support member 96.
One or more forms of expression through embodiment of the present invention can obtain some benefits and advantage.In first kind of example; Flexible shroud is inserted in the service aisle of flexible insertion tube of endoscope; Wherein therefore pin cutter pedestal (and medical needle-knife) can carry out joint motions with respect to endoscope's insertion tube, allows medical needle-knife with respect to the wide-angle imaging machine of endoscope and the medical nipper separate alignment of for example stretching out from second service aisle of endoscope's insertion tube thus.In second kind of example; Flexible shroud and/or pivot pedestal have sheath and/or the pedestal track element to endoscope; Allow flexible shroud and/or pivot pedestal be connected to endoscope flexible insertion tube outer rail and slide along it, allow medical needle-knife with respect to the wide-angle imaging machine of endoscope and the medical nipper separate alignment of for example stretching out thus from second service aisle of endoscope's insertion tube.In a kind of variation, pin cutter pedestal can carry out joint motions and rotation with respect to medical needle-knife, and medical needle-knife can carry out translation from the passage of pin cutter pedestal, to stretch out and to retract in the passage.
Though the description of some forms of expression through embodiment is explained the present invention, the applicant is not intended to the spirit of appended claims and scope restriction or limits so in detail.Without departing from the scope of the invention, many other changes, improves and substitute all can be expected for a person skilled in the art.The description that should be understood that the front provides as just example, and under situation about not departing from the scope of the present invention with spirit, other modification can be expected for a person skilled in the art.
Claims (7)
1. medical apparatus and instruments comprises:
A) flexible shroud, it has and can insert the intravital distal sheath of patient part and have the proximal sheath part;
B) be connected to pivot pedestal on the distal sheath part;
C) medical needle-knife pedestal, it can be connected on the pivot pedestal pivotally and have passage;
D) medical needle-knife, it can stretch out also from said passage and can retract to the said passage; With
E) handpiece, it is connected to proximal sheath part and comprise can manually operated joint motions controller, and said joint motions controller is operably connected to pin cutter pedestal, is used to make pin cutter pedestal to pivot with respect to the pivot pedestal.
2. medical apparatus and instruments according to claim 1, wherein, pin cutter pedestal, pivot pedestal and distal sheath part can be inserted in the service aisle of soft endoscope insertion tube.
3. medical apparatus and instruments according to claim 1, wherein, handpiece comprises can manually operated translational controller, and this translational controller is operably connected on the medical needle-knife, is used for making medical needle-knife to stretch out and be used to make medical needle-knife to retract to passage from passage.
4. medical apparatus and instruments according to claim 3, wherein, handpiece comprises the electric connector that can be electrically connected on the medical needle-knife.
5. medical apparatus and instruments according to claim 4, wherein, handpiece comprises the handpiece main body, and wherein, proximal sheath partly has centrage, and can be rotated around said centrage with respect to the handpiece main body.
6. medical apparatus and instruments according to claim 5; Wherein, Handpiece comprises can manually operated Rotation Controllers, and this Rotation Controllers is operably connected on the proximal sheath part, is used to make the proximal sheath part to be rotated around said centrage with respect to the handpiece main body.
7. medical apparatus and instruments according to claim 1, wherein, medical needle-knife can be endowed electric energy, and wherein, pin cutter pedestal can not be endowed electric energy through said medical needle-knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101085473A CN101317777B (en) | 2007-06-05 | 2007-06-05 | Medical instrument with needle and knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101085473A CN101317777B (en) | 2007-06-05 | 2007-06-05 | Medical instrument with needle and knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101317777A CN101317777A (en) | 2008-12-10 |
| CN101317777B true CN101317777B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101085473A Active CN101317777B (en) | 2007-06-05 | 2007-06-05 | Medical instrument with needle and knife |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799909B (en) | 2015-03-19 | 2016-06-29 | 哈尔滨医科大学 | Digestive endoscopy Minimally Invasive Surgery doublejointed sickle knife |
| CN109106425B (en) * | 2018-09-17 | 2021-02-05 | 南京市第一医院 | Forceps for taking out articles from blood vessel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893875A (en) * | 1994-10-07 | 1999-04-13 | Tnco, Inc. | Surgical instrument with replaceable jaw assembly |
| CN2761142Y (en) * | 2005-01-25 | 2006-03-01 | 广州阳普医疗用品有限公司 | Puncture of blood taking tube |
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2007
- 2007-06-05 CN CN2007101085473A patent/CN101317777B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893875A (en) * | 1994-10-07 | 1999-04-13 | Tnco, Inc. | Surgical instrument with replaceable jaw assembly |
| CN2761142Y (en) * | 2005-01-25 | 2006-03-01 | 广州阳普医疗用品有限公司 | Puncture of blood taking tube |
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| CN101317777A (en) | 2008-12-10 |
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