CN109171887B

CN109171887B - Operating forceps with suture function

Info

Publication number: CN109171887B
Application number: CN201811027098.4A
Authority: CN
Inventors: 蒙炳杰; 聂友琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-04
Filing date: 2018-09-04
Publication date: 2021-03-12
Anticipated expiration: 2038-09-04
Also published as: CN109171887A

Abstract

The invention relates to a surgical operation instrument, in particular to an operation clamp with a suture function, which comprises a clamp head part, a long shaft part and a hand-held part, and is characterized in that: the clamp head comprises a fixed clamp body, a movable clamp body, a pull rod body, a hinged plate and a sewing mechanism, wherein the sewing mechanism comprises a sewing needle which is spiral; the application realizes one-time completion of excision and incision suture, reduces pre-opening of the operation, reduces operation steps and saves time.

Description

Operating forceps with suture function

Technical Field

The invention relates to a surgical operation instrument, in particular to an operating forceps with a suture function.

Background

Under the endoscope environment, partial operations need to be performed after excision and then the incision needs to be sutured, at present, excision and incision suturing in surgical operations are completed in two steps, firstly, a clamp is adopted to cooperate with an excision instrument to perform excision, then, the clamp is adopted to cooperate with a suturing instrument to perform suturing, at least three minimally invasive holes need to be formed in the operations in advance, and multiple surgical instruments are large in operation difficulty in cooperation and long in operation time.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides an operating forceps with a suturing function, which realizes that excision and incision suturing are completed at one time, reduces pre-opening holes of an operation, reduces operation steps and saves time.

The technical solution of the invention is as follows:

the utility model provides a surgical forceps of function is sewed up in area, includes clamp head portion, major axis portion, handheld portion, its characterized in that: the clamp head comprises a fixed clamp body, a movable clamp body, a pull rod body, a hinged plate and a sewing mechanism;

the sewing mechanism comprises a sewing needle, the sewing needle is spiral, a notch is formed in the front end of the sewing needle, the tail end of the sewing needle is fixed with a rotary rod, and a thread portion is formed in the front end of the rotary rod.

The fixed clamp body comprises a fixed clamp body handle part and a fixed clamp body jaw part, a through hole is formed in the fixed clamp body handle part, an internal thread part is arranged in the through hole, a narrowing round cavity is formed in the front end of the internal thread part, a boss is arranged at the tail end of the upper surface of the fixed clamp body handle part, the thread part is in threaded fit with the internal thread part, a sliding hole is formed in the boss, and a first articulated shaft is arranged at the front end of the upper surface; the jaw part of the fixed clamp body comprises a fixed clamping plate, a fixed shear port is arranged above the fixed clamping plate, a first notch is formed in the fixed clamping plate, and the first notch is matched with the suture needle; the front end of the fixed clamping plate is provided with the end head part.

The end head part comprises a first wire bin and a second wire bin, the end head part is further provided with a first wire passing hole and a first wire passing hole, the first wire passing hole and the first wire passing hole are oppositely arranged, the first wire passing hole and the first wire passing hole are formed in the axis of the suture needle spiral track in a penetrating mode, a suture line penetrates through the first wire passing hole and the first wire passing hole, and two ends of the suture line are respectively placed in the first wire bin and the second wire bin.

The movable clamp body comprises a movable clamp body handle part and a movable clamp body jaw part, a first hinge hole is formed in the front end of the movable clamp body handle part, a second hinge shaft is arranged at the tail end of the movable clamp body handle part, the first hinge shaft is in hinged fit with the first hinge hole, the movable clamp body jaw part comprises a movable clamping plate, a movable shear edge is arranged above the movable clamping plate, and the second notch is matched with the first notch to correspond to the sewing needle.

The pull rod body comprises a pull rod, the pull rod penetrates through the sliding hole, a fixing plate is arranged at the front end of the pull rod, a third hinge shaft is arranged on the fixing plate, and two ends of the hinge plate are hinged to the second hinge shaft and the third hinge shaft respectively.

The long shaft part is connected with the clamp head part and the handheld part.

The handheld part comprises a clamping grab handle, and the clamping grab handle controls the pull rod body to slide back and forth; the handheld portion control key, control the key-type connection servo motor, servo motor sets up inside the handheld portion, servo motor can drive sewing mechanism rotates.

Further, a sleeve is fixedly arranged on the conveying shaft of the servo motor, a threaded hole is formed in the sleeve, a rotating connecting shaft is arranged in the long shaft portion, one end of the rotating connecting shaft is fixed to the tail end of the rotating rod, a threaded rod is arranged at the other end of the rotating connecting shaft, and the threaded rod is in threaded connection with the threaded hole.

Further, an end cover is fixedly arranged at the front end of the end head part.

Further, a bin cover is arranged outside the second line bin.

Furthermore, a first coil and a second coil are respectively wound at two ends of the suture line, and the first coil and the second coil are respectively and movably placed in the first wire bin and the second wire bin.

Furthermore, a thread cutter is arranged at the front end of the needle retracting circular cavity.

The invention has the beneficial effects that:

1, the device of the application combines a resection instrument and a suture instrument into an instrument, aiming at the resection operation of suturing an incision, two steps of resection and suture can be completed at one time only by matching with a clamping forceps, firstly, the operation steps are reduced, the operation time is greatly reduced, the operation instruments are reduced, the operation difficulty is reduced, and secondly, the number of pre-opening minimally invasive holes for patients is reduced.

2, the arrangement of the jaw part of the fixed jaw body and the jaw part of the movable jaw body on the jaw part ensures that the fixed shear port and the movable shear port can clamp the incision after finishing the excision step, and has the advantages that the incision position is pressed in advance before excision to play a role in compression hemostasis; the sewing mechanism is arranged, so that the clamping positions of the jaw parts of the fixed clamp body and the movable clamp body are sewn.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the closed configuration of the clamp head of the present invention;

FIG. 3 is a schematic view of the pliers of the present invention with the head open;

FIG. 4 is a schematic view of the suturing mechanism of the present invention;

FIG. 5 is a schematic view of a suture needle constructed in accordance with the present invention;

FIG. 6 is a schematic structural view of a stationary caliper body according to the present invention;

FIG. 7 is a schematic view of the handle of the present invention;

FIG. 8 is a schematic view of the structure of the tip portion of the present invention;

FIG. 9 is a schematic view of the lid installation of the present invention;

FIG. 10 is a schematic structural diagram of a movable clamp body according to the present invention;

FIG. 11 is a schematic view of a pull rod body structure according to the present invention;

FIG. 12 is a schematic view of the operation of the servo motor of the present invention;

FIG. 13 is a schematic view of the suturing mechanism within the head of the clip of the present invention;

FIG. 14 is a schematic view of the structure of the thread cutting knife of the present invention.

Detailed Description

As shown in fig. 1 to 14, a surgical forceps with suture function includes a forceps head portion 1, a long shaft portion 2, and a hand-held portion 3, and is characterized in that: the clamp head part 1 comprises a fixed clamp body 11, a movable clamp body 12, a pull rod body 113, a hinge plate 14 and a sewing mechanism 15;

the sewing mechanism 15 comprises a sewing needle 151, the sewing needle 151 is spiral, a notch 1511 is arranged at the front end of the sewing needle 151, the tail end of the sewing needle 151 is fixed with a rotary rod 152, a thread portion 1521 is arranged at the front end of the rotary rod 152, the sewing needle 151 is detachable with the rotary rod 152, the sewing needle 151 is disposable, and the rest parts need to be sterilized when used.

The fixed clamp body 11 comprises a fixed clamp body handle part 111 and a fixed clamp body jaw part 112, the fixed clamp body handle part 111 and the fixed clamp body jaw part 112 are made into a detachable fixed structure, the length of the fixed clamp body jaw part 112 can be conveniently selected according to the size of a patient needing to cut tumors and the like, and the fixed clamp body jaw part 112 can be divided into various specifications according to the length; a through hole 1114 is arranged in the handle part 111 of the stationary jaw body, the through hole 1114 comprises an internal thread part 1142, a needle retracting round cavity 11141 is arranged at the front end of the internal thread part 1142, a suture needle 151 can retract into the needle retracting round cavity before and after suture, a boss 1112 is arranged at the tail end of the upper surface 1111 of the handle part 111 of the stationary jaw body, the thread part 151 is in threaded fit with the internal thread part 1142, a sliding hole 11121 is arranged in the boss 1112, and a first articulated shaft 1113 is arranged at the front end of the upper surface 1111; the jaw part 112 of the fixed clamp body comprises a fixed clamping plate 1122, a fixed scissor hole 1121 is arranged above the fixed clamping plate 1122, a first notch 11221 is arranged on the fixed clamping plate 1122, and the first notch 11221 is matched with the suture needle 151; the front end of the fixed holding plate 1122 is provided with the end head 1123, and the thread pitch of the thread part 151 is the same as the spiral thread pitch of the suture needle 151.

The end head part 1123 comprises a first thread cabin 11231 and a second thread cabin 11232, the end head part 1123 is further provided with a first thread passing hole 11233 and a first thread passing hole 11234, the first thread passing hole 11233 and the first thread passing hole 11234 are oppositely arranged, the axes of the first thread passing hole 11233 and the first thread passing hole 11234 pass through the spiral track of the suture needle 151, the suture thread 4 passes through the first thread passing hole 11233 and the first thread passing hole 11234, the end head of the suture needle 151 can be ensured to be contacted with the suture thread 4, therefore, when the suture needle 151 returns, the notch 1511 can hook the suture thread 4, the suture thread 4 follows the spiral return needle retracting circular cavity of the suture needle 151 to achieve the suture effect, the length of the suture thread 4 is required to be pre-selected to be proper, and two ends of the suture thread 4 are respectively and are not fixedly placed in the first thread cabin 11231 and the second thread cabin 11232; suture 4 includes a variety of materials including lactide-co-glycolide (e.g., VICRYL), polycaprons (e.g., MONOCRYL), polydioxanones (e.g., PDS), surgical gut, polyesters (e.g., ETHIBOND), silk (e.g., PERMA-HAND), polypropylene (e.g., PROLENE), other absorbable or non-absorbable materials, and the like.

The movable clamp body 12 comprises a movable clamp body handle portion 121 and a movable clamp body jaw portion 122, the movable clamp body handle portion 121 and the movable clamp body jaw portion 122 are made into a detachable fixed structure, the movable clamp body jaw portion 122 can be divided into a plurality of specifications according to the length corresponding to the fixed clamp body jaw portion 112, a first hinge hole 122 is formed in the front end of the movable clamp body handle portion 121, a second 1211 hinge shaft is formed in the tail end of the movable clamp body handle portion 121, the first hinge shaft 1113 is in hinge fit with the first hinge hole 122, the movable clamp body jaw portion 122 comprises a movable clamping plate 1222, a movable clamp jaw 1221 is formed above the movable clamping plate 1222, a second notch 12221 is formed in the movable clamping plate 1222, and the second notch 12221 is matched with the first notch 11221 and is arranged corresponding to the suture needle 151; the pull rod body 13 comprises a pull rod 131, the pull rod 131 penetrates through the sliding hole 11121, a fixing plate 132 is arranged at the front end of the pull rod 131, a third hinge axis 1321 is arranged on the fixing plate, and two ends of the hinge plate 14 are respectively hinged with the second hinge axis 1211 and the third hinge axis 1321; the movable clamping plate 1222 and the fixed clamping plate portion function as hemostats.

The long shaft portion 2 connects the clamp head portion 1 and the hand-held portion 3.

The hand-held part 3 comprises a clamping grab handle 31, and the clamping grab handle 31 controls the pull rod body 13 to slide back and forth; the handheld portion 3 is provided with a control key 32, the control key 32 is connected with a servo motor 321, the servo motor 321 is arranged inside the handheld portion 3, and the servo motor 321 can drive the sewing mechanism 15 to rotate.

Specifically, a sleeve 3211 is fixedly arranged on a conveying shaft of the servo motor 321, a threaded hole 3211 is formed in the sleeve 3211, a rotating connecting shaft 152a is arranged in the long shaft portion 2, one end of the rotating connecting shaft 152a is fixed to the tail end of the rotating rod 152, a threaded rod 1521a is arranged at the other end of the rotating connecting shaft 152a, and the threaded rod 1521a is in threaded fit with the threaded hole 3211.

Specifically, the end cap 16 is fixed to the front end of the end head 1123, and the end cap 16 may be made of a transparent material, so as to facilitate the confirmation of the notch 1511 for hooking the suture 4 when viewed from the end head.

Specifically, a cartridge cover 1124 is provided outside the second line cartridge 11232.

Specifically, the suture 4 is wound into a first coil 41 and a second coil 42 at two ends, and the first coil 41 and the second coil 42 are movably disposed in the first and

second lumens

11231 and 11232, respectively.

Specifically, the closing round cavity 11141 is provided with a thread cutting knife 1125 at the front end, and the thread cutting knife 1125 can cut the suture thread entering the closing round cavity 11141 to avoid the suture thread being hooked by the suture needle 151 when the clamp head 1 is removed.

The working principle is as follows: before sewing, the sewing needle 151 is located in the narrowing circular cavity 11141, after the cutting step is completed, the sewing needle 151 is driven by the servo motor 321 to pass through the first notch 11221 and the second notch 12221, the needle point of the sewing needle 151 reaches the end head portion 1123, the notch 1511 of the sewing needle 151 hooks the suture thread 4, then the sewing needle 151 is driven by the servo motor 321 to return, and the sewing needle 151 drives the suture thread 4 to realize the sewing effect.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.

Claims

1. The utility model provides a surgical forceps of function is sewed up in area, includes clamp head portion, major axis portion, handheld portion, its characterized in that: the clamp head comprises a fixed clamp body, a movable clamp body, a pull rod body, a hinged plate and a sewing mechanism;

the sewing mechanism comprises a spiral sewing needle, the front end of the sewing needle is provided with a notch, the tail end of the sewing needle is fixed with the rotating rod, and the front end of the rotating rod is provided with a thread part;

the fixed clamp body comprises a fixed clamp body handle part and a fixed clamp body jaw part, a through hole is arranged in the fixed clamp body handle part and comprises an internal thread part, a narrowing round cavity is arranged at the front end of the internal thread part, a boss is arranged at the tail end of the upper surface of the fixed clamp body handle part, the thread part is in threaded fit with the internal thread part, a slide hole is arranged in the boss, and a first articulated shaft is arranged at the front end of the upper surface; the jaw part of the fixed clamp body comprises a fixed clamping plate, a fixed shear port is arranged above the fixed clamping plate, a first notch is formed in the fixed clamping plate, and the first notch is matched with the suture needle; the front end of the fixed clamping plate is provided with an end head part;

the end head part comprises a first thread bin and a second thread bin, the end head part is also provided with a first thread passing hole and a second thread passing hole, the first thread passing hole and the second thread passing hole are oppositely arranged, the axes of the first thread passing hole and the second thread passing hole pass through the spiral track of the suture needle, a suture thread passes through the first thread passing hole and the second thread passing hole, and two ends of the suture thread are respectively placed in the first thread bin and the second thread bin;

the movable clamp body comprises a movable clamp body handle part and a movable clamp body jaw part, a first hinge hole is formed in the front end of the movable clamp body handle part, a second hinge shaft is arranged at the tail end of the movable clamp body handle part, the first hinge shaft is in hinge fit with the first hinge hole, the movable clamp body jaw part comprises a movable clamping plate, a movable shear notch is formed above the movable clamping plate, a second notch is formed in the movable clamping plate, and the second notch is matched with the first notch and corresponds to the sewing needle;

the pull rod body comprises a pull rod, the pull rod penetrates through the sliding hole, a fixing plate is arranged at the front end of the pull rod, a third hinge shaft is arranged on the fixing plate, and two ends of the hinge plate are respectively hinged with the second hinge shaft and the third hinge shaft;

the long shaft part is connected with the clamp head part and the handheld part;

the handheld part comprises a clamping grab handle, and the clamping grab handle controls the pull rod body to slide back and forth; the control key of the handheld part is connected with the servo motor, the servo motor is arranged in the handheld part, and the servo motor can drive the sewing mechanism to rotate;

a sleeve is fixedly arranged on the servo motor conveying shaft, a threaded hole is formed in the sleeve, a rotating connecting shaft is arranged in the long shaft part, one end of the rotating connecting shaft is fixed to the tail end of the rotating rod, a threaded rod is arranged at the other end of the rotating connecting shaft, and the threaded rod is in threaded fit with the threaded hole;

the first notch on the fixed clamping plate and the second notch on the movable clamping plate have the same shape, and the shape has a bent structure.

2. The forceps with suturing function of claim 1, wherein: an end cover is fixedly arranged at the front end of the end head part.

3. The forceps with suturing function of claim 1, wherein: a bin cover is arranged outside the second line bin.

4. The forceps with suturing function of claim 1, wherein: the two ends of the suture line are respectively wound into a first coil and a second coil, and the first coil and the second coil are movably placed in the first wire bin and the second wire bin respectively.

5. The forceps with suturing function of claim 1, wherein: the front end of the narrowing circular cavity is provided with a thread cutter.