CN113081145B - Simple tissue clip repeating clip applying forceps - Google Patents

Simple tissue clip repeating clip applying forceps Download PDF

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Publication number
CN113081145B
CN113081145B CN202110399369.4A CN202110399369A CN113081145B CN 113081145 B CN113081145 B CN 113081145B CN 202110399369 A CN202110399369 A CN 202110399369A CN 113081145 B CN113081145 B CN 113081145B
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clamp
clamping
push rod
clip
pushing
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CN113081145A (en
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严海露
彭超
查一峰
徐爱英
许丹
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CHANGZHOU CONDINER MEDICAL TECHNOLOGY CO LTD
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CHANGZHOU CONDINER MEDICAL TECHNOLOGY CO LTD
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a simple tissue clamp continuous-firing clip applier, and belongs to the field of clip appliers. The invention relates to a continuous hair application clamp which comprises a clamp head control mechanism, a pushing and clamping control mechanism and a clamp rod, wherein the clamp head control mechanism comprises a handle assembly, a clamp head push rod, a push rod rack, a transmission gear and a clamp storage clamp head, and the pushing and clamping control mechanism comprises a pushing and clamping operation handle, a clamp delivery push rod, a clamp storage bin clamping piece and a clamp delivery pushing piece. The clamping and closing action and the pushing action of the continuous hair clip applier are divided into two control actions to be completed, the integrated design of the binding clip and the storage and clamping bin is realized by adopting the design of the storage binding clip, and the storage binding clip is made to stretch in the binding clip rod by the front-back movement of the storage binding clip so as to drive the two binding clip arms to open or close; the tissue clips in the clip storage forceps head are synchronously conveyed forwards by adopting the clip conveying and pushing sheet; through the cooperative fit of the tong head control mechanism and the pushing and clamping control mechanism, the running-on operation of the clip applier is realized, the structural design of the clip applier is simple and compact, the pushing and clamping operation is stable and reliable, the use is flexible and convenient, and the manufacturing cost is low.

Description

Simple tissue clip repeating clip applier
Technical Field
The invention relates to a medical clip applier, in particular to a simple tissue clip repeating clip applier.
Background
The tissue clamp is a novel surgical instrument widely adopted and used by medical institutions of all countries in the world in recent decades, and is mainly used for closing or ligating tubular tissues such as blood vessels, bile ducts and the like in minimally invasive surgery. As shown in fig. 1, it is mainly composed of two arms 1 ', two arms 1 ' are connected by a rotating part 2 ' to form a clip body with a substantially "V" shaped structure, a clasp 4 ' is provided at the end of one arm 1 ', a catching slot 5 ' is provided at the end of the other arm 1 ', and when the tissue clip is closed, the clasp 4 ' is clasped in the catching slot 5 ' to achieve stable closure of the tissue clip.
The clip applier is a common instrument for closing the tissue clip, the clip applier mainly utilizes a handle to operate and control the movement of the clip heads, positioning grooves matched with positioning columns 3 'on two clip arms 1' of the tissue clip are arranged on the two clip heads, the tissue clip is positioned on the two clip heads, and the closing of the clip heads is controlled by the handle operation to realize the closing of the tissue clip. The tissue clamp clip that is commonly used at present is single-shot clip, like the "clip that is applicable to thorax and abdominal cavity operation" that chinese patent number ZL201420479396.8 disclosed, this kind of single-shot clip has advantages such as simple structure, stable operation, nevertheless needs to get the clamp operation one by one from the tissue clamp box body when using, and the operation is got up a little relatively fussy, is difficult to realize quick continuous closed tissue clamp.
Therefore, a plurality of tissue clip appliers with continuous firing are also available in the market at present, for example, "an appliers capable of continuously releasing hemostatic clips" disclosed in chinese patent No. ZL201410768218.1 and "a continuous firing appliers" disclosed in chinese patent application No. 201910733751.7, etc., such a continuous firing appliers can continuously eject a plurality of tissue clips, and is more flexible to operate in the surgical process and can improve the surgical efficiency, but the tissue clip appliers have the disadvantages that the structural design is relatively complex, a clip cabin and a push clip mechanism with complex structures need to be designed, the tissue clips are ejected one by the cooperation of the push clip mechanism and the clip cabin, the problem caused by the relatively complex transmission structural design is that the tissue clips are easily jammed during operation, and the like, and compared with a single firing appliers, the tissue clip appliers have poor operation stability and high manufacturing cost.
Based on the above problems of the existing continuous hair type tissue clip applier, it is necessary to design a continuous hair clip applier which has a simpler structure and is more stable and flexible to operate, so as to meet the clinical use requirements.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of complex structural design, poor operation stability and the like of the conventional continuous hair type tissue clip applying clamp, and provides a simple tissue clip continuous hair applying clamp.A technical scheme of the invention is adopted to divide the clamping action and the pushing action of the continuous hair applying clamp into two control actions to be completed; in the clamp pushing control mechanism, the tissue clamps in the clamp storage forceps head are synchronously conveyed forwards by adopting a clamp conveying and pushing sheet; through the cooperative fit of the tong head control mechanism and the pushing and clamping control mechanism, the running-on operation of the tong is realized, the structural design of the tong is simpler and more compact, the pushing and clamping operation is more stable and reliable, the use is flexible and convenient, and the manufacturing cost is low.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a simple tissue clamp continuous-firing clip applier, which comprises a clamp head control mechanism, a clip pushing control mechanism and a clamp rod, wherein:
the binding clip control mechanism comprises a handle assembly, a binding clip push rod, a push rod rack, a transmission gear and a clamp storage binding clip, wherein the handle assembly is arranged at the rear end of the binding clip; the storage clamp head comprises a clamp head rack, a first clamp bin wall, a second clamp bin wall, a first clamp head arm and a second clamp head arm, wherein the first clamp head arm is arranged at the front end of the first clamp bin wall, the second clamp head arm is arranged at the front end of the second clamp bin wall, the first clamp bin wall and the second clamp bin wall enclose a storage clamp bin, n groups of tissue clamp positioning grooves are arranged on the inner sides of the first clamp bin wall and the second clamp bin wall, n is a natural number greater than or equal to 1, the clamp head rack is arranged at the rear part of the storage clamp bin, and the clamp head rack is meshed with the transmission gear; the storage and clamping bin is positioned in the claw beam, the first claw head arm and the second claw head arm extend out of the front end of the claw beam, and the rear ends of the first claw head arm and the second claw head arm are provided with inward-contracting guide surfaces which are matched with the front end of the claw beam so as to enable the first claw head arm and the second claw head arm to be opened or closed when the storage claw head stretches and retracts in the claw beam;
the pushing and clamping control mechanism comprises a pushing and clamping operation handle, a pushing and clamping push rod, a storage clamping bin clamping piece and a pushing and clamping piece, the pushing and clamping push rod is arranged inside the clamping rod, the rear end of the pushing and clamping push rod is in transmission connection with the pushing and clamping operation handle, the storage clamping bin clamping piece is arranged at the front end of the pushing and clamping push rod, an opening cavity used for containing a push rod rack, a transmission gear and a storage clamping head is arranged on the storage clamping bin clamping piece, the two side walls of the opening cavity are respectively provided with the pushing and clamping push pieces, the pushing and clamping push pieces are positioned on two sides of the storage clamping bin, n groups of pushing and clamping convex points used for pushing a tissue clamp forwards are arranged on the pushing and clamping push pieces, the distance between the pushing and clamping convex points is adjacent to the front and back, and corresponds to the distance between the tissue clamp positioning grooves in the storage clamping bin and on the first clamping head arm and the second clamping head arm.
Furthermore, the clamp sending salient point is integrally formed on the clamp sending pushing sheet in a punching mode, a clamp pushing surface is arranged at the front end of the clamp sending salient point, and a reset guide inclined plane is arranged at the rear end of the clamp sending salient point.
Furthermore, the side walls of the front ends of the first bin clamping wall and the second bin clamping wall are also provided with a push sheet clamping groove for laterally limiting and conveying the push sheets.
Furthermore, the inner side walls of the first forceps head arm and the second forceps head arm are respectively provided with a guide clamping groove, and the tissue clamp positioning grooves of the first forceps head arm and the second forceps head arm are also provided with side blocking bulges.
Furthermore, a push rod rack guide rib which is in guide fit with the inner wall of the opening cavity of the storage bin clamping piece is arranged on the side wall of the push rod rack, and a binding clip rack guide rib which is in guide fit with the inner wall of the opening cavity of the storage bin clamping piece is arranged on the side wall of the binding clip rack.
Furthermore, the storage clamping bin clamping piece is provided with a strip-shaped hole for avoiding a wheel shaft of the transmission gear, the storage clamping bin clamping piece is further provided with a clamp delivery return tension spring, one end of the clamp delivery return tension spring is connected with the storage clamping bin clamping piece, the other end of the clamp delivery return tension spring is hooked on the wheel shaft of the transmission gear, and the side wall of the clamp rod is further provided with an assembly opening at the position where the clamp delivery return tension spring is located.
Furthermore, the handle assembly comprises a fixed handle, a clamp rod connecting part and a movable handle, the fixed handle is fixedly connected with the clamp rod connecting part, the clamp rod connecting part is coaxially connected with the clamp rod, the movable handle is rotatably connected with the fixed handle, a push rod seat, a push rod spring and a gasket are arranged in the clamp rod connecting part, the push rod seat is in threaded connection with the tail part of the clamp head push rod, the push rod spring sleeve is arranged at the tail part of the clamp head push rod, the front end of the push rod spring is abutted to the clamp rod connecting part through the gasket, the rear end of the push rod spring is abutted to the push rod seat, a groove is formed in the push rod seat, and a pushing arm matched with the groove is arranged on the movable handle.
Furthermore, the push-clamp operating handle comprises a push-clamp trigger, the push-clamp trigger is rotatably arranged on a trigger mounting seat arranged on the clamp rod connecting part, and a push-clamp poking arm abutting against the tail end of the push rod of the push clamp is arranged on the push-clamp trigger.
Furthermore, the connecting part of the clamp rod and the clamp rod is axially and rotatably connected through a rotating wheel component, a washing opening communicated with the inner wall of the clamp rod is arranged on the rotating wheel component, and a washing groove is also arranged on the clamping sheet of the storage and clamping bin.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the simple tissue clamp continuous hair clip applying clamp provided by the invention has the advantages that the clamping and closing action and the pushing action of the continuous hair clip applying clamp are divided into two control actions to be completed, in a clamp head control mechanism, the integrated design of a clamp head and a clamp storage bin is realized by adopting a clamp head storage design, and the clamp head storage is stretched in a clamp rod by utilizing the front-back movement of the clamp head storage to drive a first clamp head arm and a second clamp head arm to be opened or closed; in the clamp pushing control mechanism, the tissue clamp in the clamp storage forceps head is synchronously conveyed forwards by adopting a clamp conveying and pushing sheet; the continuous shooting operation of the clip applier is realized through the cooperative matching of the clip head control mechanism and the push clip control mechanism, the structural design of the clip applier is simpler and more compact, the push clip and the clip closing operation are more stable and reliable, the use is flexible and convenient, and the manufacturing cost is low;
(2) according to the simple tissue clamp continuous-transmission application forceps, the clamp delivery convex points are integrally formed on the clamp delivery push sheet in a stamping mode, the clamp delivery push points are provided with the clamp pushing surfaces at the front ends, the reset guide inclined planes are arranged at the rear ends, the clamp delivery convex points are convenient to form in a stamping mode and manufacture, the front end clamp pushing surfaces are convenient for pushing the tissue clamps forwards, the rear end guide inclined planes are convenient for the clamp delivery convex points to retract and cross the tissue clamps when reset is carried out, so that the tissue clamps are pushed more easily and more labor-saving, and the reset is stable and reliable;
(3) according to the simple tissue clamp continuous-sending application forceps, the side walls of the front ends of the first clamping bin wall and the second clamping bin wall are also provided with the push sheet clamping grooves for laterally limiting the push sheets of the sending clamp, the push sheets of the sending clamp can be prevented from expanding outwards by utilizing the push sheet clamping grooves, and the sending clamp convex points can more stably send the tissue clamp;
(4) according to the simple tissue clamp continuous application forceps, the inner side walls of the first forceps head arm and the second forceps head arm are respectively provided with the guide clamp groove, and the tissue clamp positioning grooves of the first forceps head arm and the second forceps head arm are also provided with the side retaining bulges;
(5) according to the simple tissue clamp continuous application clamp, the side wall of the push rod rack is provided with the push rod rack guide rib which is in guide fit with the inner wall of the opening cavity of the storage clamping bin clamping piece, and the side wall of the binding clip rack is provided with the binding clip rack guide rib which is in guide fit with the inner wall of the opening cavity of the storage clamping bin clamping piece, so that the push rod rack and the binding clip rack move more stably, and the transmission stability of a gear and a rack is improved;
(6) the simple tissue clamp continuous-sending application clamp is characterized in that a strip-shaped hole used for avoiding a wheel shaft of a transmission gear is formed in a clamping piece of a clamping storage bin, a clamp delivery return tension spring is further arranged on the clamping piece of the clamping storage bin, one end of the clamp delivery return tension spring is connected with the clamping piece of the clamping storage bin, the other end of the clamp delivery return tension spring is hooked on the wheel shaft of the transmission gear, an assembly opening is further formed in the side wall of a clamp rod and positioned at the position of the clamp delivery return tension spring, the clamp delivery return tension spring can be used for facilitating quick and stable reset of the clamping piece of the clamping storage bin, the clamp delivery return tension spring is installed by the wheel shaft of the transmission gear, and the assembly opening used for installing the return tension spring is formed in the clamp rod, so that the overall structure of the application clamp is simple and compact, the diameter of the clamp rod is not increased, and meanwhile, the assembly of the application clamp is facilitated;
(7) the handle assembly of the simple tissue clamp continuous-firing application clamp comprises a fixed handle, a clamp rod connecting part and a movable handle, wherein a push rod seat, a push rod spring and a gasket are arranged in the clamp rod connecting part, the push rod seat is in threaded connection with the tail part of a clamp head push rod, the push rod seat can facilitate the position adjustment of the clamp head push rod, the trigger stroke of the movable handle is convenient to keep consistent with the clamp head closing action, the trigger action of the tissue clamp is enabled to be more smooth, and the operation flexibility and reliability are improved;
(8) according to the simple tissue clamp continuous emission clip applier, the pushing and clamping operating handle comprises the clip sending trigger, the clip sending trigger is rotatably installed on the trigger installation seat arranged on the connecting portion of the clamp rod, the clip sending trigger is provided with the pushing and clamping poking arm abutting against the tail end of the clip sending push rod, the pushing action of the tissue clamp is controlled by the clip sending trigger, switching operation is performed between the movable handle and the clip sending trigger during single-hand operation, and the operation convenience and the operation efficiency are improved;
(9) according to the simple tissue clamp continuous-firing clip applier, the connecting portion of the clamp rod and the clamp rod is axially and rotatably connected through the rotating wheel assembly, the rotating wheel assembly is provided with the flushing port communicated with the inner wall of the clamp rod, the clip storage bin is further provided with the flushing groove, the rotating wheel assembly is used for facilitating the partial rotation of the clamp rod to change the angle of the clamp head for applying clips, and the clip applier is convenient to flexibly use; the quick washing of the binding clip can be facilitated by the washing port.
Drawings
FIG. 1 is a schematic view of a prior art tissue clip;
FIG. 2 is a schematic view of the overall structure of a simple tissue clip applying clip according to the present invention;
FIG. 3 is a schematic view of a split structure of a portion of a handle of the simple tissue clip applying forceps;
FIG. 4 is a schematic view of a disassembled structure of an operating handle portion of a simplified tissue clip applying clip according to the present invention;
FIG. 5 is an enlarged view of a portion of the structure at K in FIG. 3;
FIG. 6 is a partial enlarged view of the structure at M in FIG. 3;
FIG. 7 is a schematic view, partially in section, of a simplified tissue clip applying clip according to the present invention;
FIG. 8 is a schematic view of the mounting structure of the clip-feeding return tension spring of the simple tissue clip continuous-firing clip applier of the present invention on the clip storing compartment clip;
FIG. 9 is a schematic view of the structure of the clip magazine clip and the clip head of the clip magazine clip applier for simple tissue clip application forceps;
fig. 10 is a partial enlarged structural view at N in fig. 9.
The reference numerals in the schematic drawings illustrate:
1', clamping arms; 2', a rotating part; 3', a positioning column; 4', a clasp; 5', a buckle groove;
1. a tong head control mechanism; 1-1, fixing a handle; 1-2, a clamp rod connecting part; 1-2-1, a trigger mounting seat; 1-3, a movable handle; 1-3-1, a push arm; 1-4, a clamp head push rod; 1-5, a push rod rack; 1-5-1, a push rod rack guide rib; 1-6, a transmission gear; 1-7, storing the clamp heads; 1-7-1, a binding clip rack; 1-7-2, a binding clip rack guide rib; 1-7-3, a first clamping bin wall; 1-7-4, a second clamping bin wall; 1-7-5, storing and clamping bins; 1-7-6, tissue clamp positioning grooves; 1-7-7, a first jaw arm; 1-7-8, a second jaw arm; 1-7-9, a push sheet clamping groove; 1-7-10 parts of guide clamping groove; 1-7-11, side block projection; 1-7-12, an inward contracting guide surface; 1-8, a push rod seat; 1-9, a push rod spring; 1-10, a gasket;
2. a push clamp control mechanism; 2-1, sending a trigger; 2-1-1, pushing the clamp to toggle the arm; 2-2, a clamp feeding push rod; 2-3, storing and clamping sheets; 2-3-1, strip-shaped holes; 2-3-2, a washing tank; 2-4, a clamp feeding reset tension spring; 2-5, feeding the clamping and pushing sheet; 2-5-1, clamping salient points; 2-5-1a, a push clamping surface; 2-5-1b, a reset guide inclined plane;
3. a clamp lever; 3-1, assembling an opening; 4. a rotating wheel assembly; 4-1, flushing port.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
As shown in fig. 2, fig. 3, and fig. 5 to fig. 7, the simple tissue clamp continuous application forceps of this embodiment includes a forceps head control mechanism 1, a forceps pushing control mechanism 2, and a forceps rod 3, wherein the forceps head control mechanism 1 and the forceps pushing control mechanism 2 are both disposed on the forceps rod 3, the forceps rod 3 is used to provide a forceps head operation length, which is convenient for operating deep into a patient, the forceps head control mechanism 1 is used to control the forceps head to open or close, and the forceps pushing control mechanism 2 is used to push the tissue clamp to the forceps head. Wherein:
the binding clip control mechanism 1 comprises a handle assembly, binding clip push rods 1-4, push rod racks 1-5, transmission gears 1-6 and clamp storage binding clips 1-7, the handle assembly is arranged at the rear end of the binding clip 3, the binding clip push rods 1-4 are arranged inside the binding clip 3, the rear ends of the binding clip push rods 1-4 are in transmission connection with the handle assembly, the handle assembly drives the binding clip push rods 1-4 to move back and forth, the push rod racks 1-5 are arranged at the front ends of the binding clip push rods 1-4, the transmission gears 1-6 are rotatably arranged inside the binding clip 3, the push rod racks 1-5 are meshed with the transmission gears 1-6, and when the binding clip push rods 1-4 move back and forth in a telescopic mode, the transmission gears 1-6 can be driven to rotate through the push rod racks 1-5; the storage clamping forcep head 1-7 comprises a forcep head rack 1-7-1, a first clamping chamber wall 1-7-3, a second clamping chamber wall 1-7-4, a first forcep head arm 1-7-7 and a second forcep head arm 1-7-8, wherein the first forcep head arm 1-7-7 is arranged at the front end of the first clamping chamber wall 1-7-3, the second forcep head arm 1-7-8 is arranged at the front end of the second clamping chamber wall 1-7-4, the first clamping chamber wall 1-7-3 and the second clamping chamber wall 1-7-4 enclose a storage clamping chamber 1-7-5, and n groups of tissue clamping positioning grooves 1-7-6 are arranged at the inner sides of the first clamping chamber wall 1-7-3 and the second clamping chamber wall 1-7-4, wherein n is a natural number larger than or equal to 1, the binding clip rack 1-7-1 is arranged at the rear part of the storage and clamping bin 1-7-5, the binding clip rack 1-7-1 is meshed with the transmission gear 1-6, the transmission gear 1-6 can drive the binding clip rack 1-7-1 to move when rotating, and further drive the first binding clip arm 1-7-7 and the second binding clip arm 1-7-8 at the front end to move, and the transmission gear 1-6 is used for transmission, so that the movement direction of the push rod rack 1-5 is opposite to the movement direction of the binding clip rack 1-7-1, namely, when the push rod rack 1-5 moves forwards, the binding clip rack 1-7-1 moves backwards. The clamp head storage 1-7 preferably adopts an integral structure design, and realizes the integral design of the clamp head and the clamp storage bin. The storage and clamping bin 1-7-5 is positioned inside the plier rod 3, the first plier head arm 1-7-7 and the second plier head arm 1-7-8 extend out of the front end of the plier rod 3, and the rear ends of the first plier head arm 1-7-7 and the second plier head arm 1-7-8 are provided with retraction guide surfaces 1-7-12 which are matched with the front end of the plier rod 3 so as to ensure that the first plier head arm 1-7-7 and the second plier head arm 1-7-8 are opened or closed when the storage and clamping plier head 1-7 is retracted in the plier rod 3. During operation, the handle assembly drives the forceps head push rod 1-4 to move forwards, the transmission gear 1-6 drives the storage forceps head 1-7 to integrally move backwards, and in the process that the storage forceps head 1-7 moves backwards, the retracted guide surface 1-7-12 retracts into the front end of the forceps rod 3, so that the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 are clamped inwards, and the tissue clamp on the forceps head is closed; after the handle assembly is reset, the storage clamp head 1-7 moves forwards, and the first clamp head arm 1-7-7 and the second clamp head arm 1-7-8 are opened under the self elastic action.
The pushing and clamping control mechanism 2 comprises a pushing and clamping operation handle, a delivering and clamping push rod 2-2, a storing and clamping bin clamping piece 2-3 and a delivering and clamping push piece 2-5, the delivering and clamping push rod 2-2 is arranged inside the clamping rod 3, the rear end of the delivering and clamping push rod 2-2 is in transmission connection with the pushing and clamping operation handle, the pushing and clamping operation handle drives the delivering and clamping push rod 2-2 to move back and forth, the storing and clamping bin clamping piece 2-3 is arranged at the front end of the delivering and clamping push rod 2-2, an opening cavity for accommodating a push rod rack 1-5, a transmission gear 1-6 and a storing and clamping tong head 1-7 is arranged on the storing and clamping bin clamping piece 2-3, the delivering and clamping push piece 2-5 is respectively arranged on two side walls of the opening cavity, the delivering and clamping push piece 2-5 is positioned on two sides of the storing and clamping bin 1-7-5 to form left and right side walls of the storing and clamping bin 1-7-5, n groups of clamp delivery salient points 2-5-1 used for pushing the tissue clamp forwards are arranged on the clamp delivery push sheet 2-5, and the distance between the front and back adjacent clamp delivery salient points 2-5-1 corresponds to the front and back distance between the interior of the clamp storage bin 1-7-5 and the tissue clamp positioning grooves 1-7-6 on the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8.
As shown in FIG. 7, in the open position of the first 1-7-7 and second 1-7-8 jaw arms, the clip feed bump 2-5-1 is located behind the tissue clip positioning slot 1-7-6 by a distance that allows the first 1-7-7 and second 1-7-8 jaw arms to move backward to close the two jaw arms. The tissue clamp is stored in a clamp storage bin 1-7-5 of a clamp storage binding clip head 1-7, and a positioning column on a clamping arm of the tissue clamp is positioned by a positioning groove 1-7-6 of the tissue clamp in the clamp storage bin 1-7-5. The tissue clips are in a semi-closed state in the clip storage bins 1-7-5, the set number of the tissue clips can be determined according to requirements, and the tissue clips can be pre-installed when the clip applier leaves a factory. When in operation, the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 are controlled to be in a semi-closed state through the handle assembly of the forceps head control mechanism 1, then the pushing and clamping operation handle of the pushing and clamping control mechanism 2 drives the delivering and clamping push rod 2-2 and the storing and clamping bin clamping piece 2-3 to move forwards, tissue clamps in the storing and clamping bin 1-7-5 are pushed forwards for a stroke by utilizing the corresponding delivering and clamping salient points 2-5-1 on the delivering and clamping push piece 2-5, so that the tissue clamps at the forefront end slide into the tissue clamp positioning grooves 1-7-6 of the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8, and other tissue clamps at the rear part sequentially move forwards for a distance of the tissue clamp positioning grooves 1-7-6; then, the clamp pushing operation handle and the handle assembly are loosened, so that the clamp feeding push sheet 2-5 is reset, and the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 are opened; after the tissue clamps on the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 are opened, aligning to a tissue lumen to be closed, controlling the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 to be completely closed through the handle assembly, closing the tissue clamps at the moment, and completing one clamping action; repeating the above-described actions can perform a continuous firing operation of the tissue clip. After the tissue clips in the clip storage bins 1-7-5 are completely fired, the tissue clips can be reloaded or used as single-shot clip appliers.
As shown in FIG. 6, in this embodiment, the clip feeding convex point 2-5-1 is preferably formed by integral punching on the clip feeding push sheet 2-5, and the front end of the clip feeding convex point 2-5-1 is provided with a clip pushing surface 2-5-1a and the rear end is provided with a reset guide inclined surface 2-5-1 b. The pushing clamping surface 2-5-1a is designed in a right angle, the resetting guide inclined surface 2-5-1b is designed in an oblique angle, the pushing clamping convex points 2-5-1 are convenient to punch and form, the pushing clamping surface 2-5-1a at the front end is convenient to push the tissue clamp forwards, and the pushing clamping convex points 2-5-1 retract to cross the tissue clamp when the guiding inclined surface at the rear end is convenient to reset, so that the pushing of the tissue clamp is easier and more labor-saving, and the resetting is stable and reliable. As shown in fig. 5, in this embodiment, the side walls of the front ends of the first and second magazine walls 1-7-3 and 1-7-4 are further provided with blade-pushing slots 1-7-9 for laterally limiting the blade-pushing 2-5, the blade-pushing slots 1-7-9 are integrally formed on the storage clamp head 1-7, and two sides of the blade-pushing 2-5 are clamped into the blade-pushing slots 1-7-9, so that the blade-pushing 2-5 can move back and forth without being deformed toward the side surface, and the blade-pushing slots 1-7-9 can prevent the blade-pushing 2-5 from expanding outward, so that the pushing of the tissue clamp by the blade-pushing bumps 2-5-1 is more stable.
As shown in FIGS. 5 and 10, in the present embodiment, the inner sidewalls of the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 are respectively provided with a guiding clip groove 1-7-10, the guiding clip groove 1-7-10 extends to the inner sidewall of the corresponding clip chamber wall, the width of the guiding clip groove 1-7-10 is adapted to the width of the clip arm of the tissue clip, so that the tissue clip can stably slide in the guiding clip groove 1-7-10, and the guiding clip groove 1-7-10 can facilitate the stable sliding of the tissue clip along the forceps head arms, thereby preventing the tissue clip from tilting or falling off. Side retaining bulges 1-7-11 are further arranged at the tissue clamp positioning grooves 1-7-6 of the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8, the side retaining bulges 1-7-11 extend slightly inwards, and the tissue clamp positioning grooves 1-7-6 of the forceps heads block the clamping arms of the tissue clamp laterally, so that the problem of lateral slipping of the tissue clamp can be prevented.
As shown in figure 5, in order to improve the stability of the back-and-forth movement of the push rod rack 1-5 and the binding clip rack 1-7-1, a push rod rack guide rib 1-5-1 which is matched with the inner wall of the opening cavity of the storage clamping bin clamping piece 2-3 in a guide way is arranged on the side wall of the push rod rack 1-5, a binding clip rack guide rib 1-7-2 which is matched with the inner wall of the opening cavity of the storage clamping bin clamping piece 2-3 in a guide way is arranged on the side wall of the binding clip rack 1-7-1, the rack is guided to slide back and forth by utilizing the guide rib, so that the push rod rack 1-5 and the binding clip rack 1-7-1 move more stably, and the stability of the gear and rack transmission is improved.
As shown in fig. 8 and 9, in the present embodiment, a return mechanism is further provided in the push clamp control mechanism 2. Specifically, a strip-shaped hole 2-3-1 for avoiding a wheel shaft of a transmission gear 1-6 is arranged on a clamping bin clamping piece 2-3, the wheel shaft of the transmission gear 1-6 passes through the strip-shaped hole 2-3-1 to be fixedly connected with a clamping rod 3, a clamp delivery return tension spring 2-4 is also arranged on the clamping bin clamping piece 2-3, one end of the clamp delivery return tension spring 2-4 is connected with the clamping bin clamping piece 2-3, the other end of the clamp delivery return tension spring is hooked on the wheel shaft of the transmission gear 1-6, when the clamping bin clamping piece 2-3 moves forwards, the clamp delivery return tension spring 2-4 is stretched to store energy, after a clamp pushing operation handle is loosened, the clamp delivery return tension spring 2-4 pulls the clamping bin clamping piece 2-3 to return backwards, so that clamp delivery salient points 2-5-1 on a clamp delivery push piece 2-5 pass through tissue clamps in the clamping bin 1-7-5, the reset movement of the clip feeding push sheet 2-5 is realized. In order to facilitate the assembly of the clamp feeding return tension spring 2-4, an assembly opening 3-1 (shown in fig. 1 and 3) is further formed in the position, located on the side wall of the clamp rod 3, of the clamp feeding return tension spring 2-4, the assembly opening 3-1 can be used for facilitating the assembly of the clamp feeding return tension spring 2-4 to be hung on a wheel shaft of the transmission gear 1-6, and after the assembly is completed, the assembly opening 3-1 is plugged by a cover plate. The clamp feeding reset tension spring 2-4 is utilized to facilitate the rapid and stable reset of the clamping pieces 2-3 of the clamp storage bin, the clamp feeding reset tension spring 2-4 is installed by utilizing the wheel shaft of the transmission gear 1-6, and the clamp rod 3 is provided with an assembly opening for installing the reset tension spring, so that the overall structure of the clamp applying clamp is simple and compact, the diameter of the clamp rod is not increased, and the clamp applying clamp is convenient to assemble.
As shown in fig. 3, 4 and 7, in this embodiment, the handle assembly includes a fixed handle 1-1, a forceps rod connecting portion 1-2 and a movable handle 1-3, the fixed handle 1-1 is fixedly connected with the forceps rod connecting portion 1-2, the forceps rod connecting portion 1-2 is coaxially connected with the forceps rod 3, the movable handle 1-3 is rotatably connected with the fixed handle 1-1, a push rod seat 1-8, a push rod spring 1-9 and a gasket 1-10 are disposed in the forceps rod connecting portion 1-2, the push rod seat 1-8 is in threaded connection with the tail of the forceps head push rod 1-4, the push rod spring 1-9 is sleeved on the tail of the forceps head push rod 1-4, the front end of the push rod spring 1-9 is abutted against the forceps rod connecting portion 1-2 through the gasket 1-10, the rear end of the push rod spring 1-9 is abutted against the push rod seat 1-8, the push rod seat 1-8 is provided with a groove, and the movable handle 1-3 is provided with a push arm 1-3-1 matched with the groove. The movable handle 1-3 is buckled, the push rod seat 1-8 is pushed forwards by the push arm 1-3-1, the binding clip push rod 1-4 is driven to move forwards, the storage binding clip 1-7 is driven to move backwards through gear and rack transmission, and the two binding clip arms are controlled to be closed; the movable handles 1-3 are loosened, the push rod springs 1-9 drive the forceps head push rods 1-4 to move backwards, and the movable handles 1-3 and the two forceps head arms are reset. The push rod seats 1-8 are in threaded connection with the tail parts of the clamp head push rods 1-4, so that the position adjustment of the clamp head push rods 1-4 can be facilitated, the triggering stroke of the movable handles 1-3 can be kept consistent with the clamping action of the clamp heads, the triggering action of the tissue clamp is smooth, and the operation flexibility and reliability are improved.
As shown in the figures 3, 4 and 7, in the embodiment, the clamp pushing operation handle comprises a clamp sending trigger 2-1, the clamp sending trigger 2-1 is rotatably mounted on a trigger mounting seat 1-2-1 arranged on the clamp rod connecting part 1-2, the trigger mounting seat 1-2-1 is integrally formed on the clamp rod connecting part 1-2 and is positioned at the front end of a movable handle 1-3, and a clamp pushing and pulling arm 2-1-1 abutting against the tail end of a clamp sending push rod 2-2 is arranged on the clamp sending trigger 2-1. The clamp pushing action is realized by pulling the clamp sending trigger 2-1, pushing the clamp sending push rod 2-2 to move forwards by using the clamp pushing toggle arm 2-1-1, further driving the clamp sending push sheet 2-5 to move forwards, loosening the clamp sending trigger 2-1, driving the clamp sending push sheet 2-5 to reset backwards under the action of the clamp sending reset tension spring 2-4, controlling the pushing action of the tissue clamp by using the clamp sending trigger 2-1, and switching operation is performed between the movable handle 1-3 and the clamp sending trigger 2-1 during one-hand operation, so that the operation convenience and the operation efficiency are improved. During specific operation, the palm holds the fixed handle 1-1, the forefinger is placed on the clamp feeding trigger 2-1, the middle finger, the ring finger and the little finger can be placed on the movable handle 1-3, the forefinger is used for controlling the clamp feeding trigger 2-1, the other fingers are used for controlling the movable handle 1-3, and the single-hand operation is flexible and convenient.
As shown in fig. 2 to 4 and 7, in this embodiment, the clamp rod 3 is axially and rotatably connected with the clamp rod connecting portion 1-2 through the rotating wheel assembly 4, the rotating wheel assembly 4 is the same as the existing clamp, the rotating wheel assembly 4 is provided with a flushing port 4-1 communicated with the inner wall of the clamp rod 3, the clamping piece 2-3 of the storage and clamping bin is further provided with a flushing tank 2-3-2, flushing liquid is input through the flushing port 4-1, and the flushing liquid reaches the clamp head through the flushing tank 2-3-2 to flush the clamp. The rotating wheel assembly 4 is used for facilitating the rotation of the clamp rod part to change the clamping angle of the clamp head, so that the flexible use of the clamp is facilitated; the flushing port 4-1 can be used for facilitating the quick flushing of the forceps head.
A simplified tissue clip, hair clip applier of this embodiment is for use in the application of a tissue clip as shown in fig. 1. The number of the stored clips in the clip storing head 1-7 can be changed by changing the lengths of the clip storing head 1-7 and the clip feeding push sheet 2-5, and the tissue clip can be arranged in the clip storing bin 1-7-5 of the clip storing head 1-7 when the clip applier leaves a factory. When the tissue clip is operated, the movable handle 1-3 is lightly buckled to enable the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 to be slightly closed and in a semi-closed state, then the index finger buckles the clip sending trigger 2-1 to drive the clip sending push sheet 2-5 to push the tissue clip forwards, so that the tissue clip is pushed forwards for a stroke and pushed to the tissue clip positioning groove 1-7-6 of the forceps head arms; the movable handle 1-3 is loosened, the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8 extend outwards and are opened under the action of the push rod spring 1-9, the tissue clamp in the upper half-closed state of the forceps head is opened at the moment and is aligned with the lumen tissue to be closed, the movable handle 1-3 is buckled again to close the first forceps head arm 1-7-7 and the second forceps head arm 1-7-8, and the tissue clamp on the forceps head is closed.
According to the simple tissue clamp continuous hair application clamp, the clamping and closing action and the pushing action of the continuous hair application clamp are divided into two control actions to be completed, in the clamp head control mechanism, the integrated design of a clamp head and a clamp storage bin is realized by adopting a clamp head storage design, and the clamp head storage mechanism is made to stretch and retract in a clamp rod by utilizing the front-back movement of the clamp head storage mechanism to drive a first clamp head arm and a second clamp head arm to open or close; in the clamp pushing control mechanism, the tissue clamps in the clamp storage forceps head are synchronously conveyed forwards by adopting a clamp conveying and pushing sheet; through the cooperative fit of the tong head control mechanism and the pushing and clamping control mechanism, the running-on operation of the tong is realized, the structural design of the tong is simpler and more compact, the pushing and clamping operation is more stable and reliable, the use is flexible and convenient, and the manufacturing cost is low.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (9)

1. The utility model provides a simple and easy type tissue gripper is sent out and is executed clamp, includes binding clip control mechanism (1), pushes away and presss from both sides control mechanism (2) and tong pole (3), its characterized in that:
the tong head control mechanism (1) comprises a handle assembly, a tong head push rod (1-4), a push rod rack (1-5), a transmission gear (1-6) and a clamp storage tong head (1-7), wherein the handle assembly is arranged at the rear end of the tong head push rod (3), the tong head push rod (1-4) is arranged inside the tong head (3), the rear end of the tong head push rod (1-4) is in transmission connection with the handle assembly, the push rod rack (1-5) is arranged at the front end of the tong head push rod (1-4), the transmission gear (1-6) is rotatably arranged inside the tong head (3), and the push rod rack (1-5) is meshed with the transmission gear (1-6); the storage clamping forcep head (1-7) comprises a forcep head rack (1-7-1), a first clamping chamber wall (1-7-3), a second clamping chamber wall (1-7-4), a first forcep head arm (1-7-7) and a second forcep head arm (1-7-8), wherein the first forcep head arm (1-7-7) is arranged at the front end of the first clamping chamber wall (1-7-3), the second forcep head arm (1-7-8) is arranged at the front end of the second clamping chamber wall (1-7-4), the first clamping chamber wall (1-7-3) and the second clamping chamber wall (1-7-4) enclose a storage clamping chamber (1-7-5), and n groups of tissue clamps (1-7) are arranged at the inner sides of the first clamping chamber wall (1-7-3) and the second clamping chamber wall (1-7-4) -6), wherein n is a natural number more than or equal to 1, the binding clip rack (1-7-1) is arranged at the rear part of the storage and clamping bin (1-7-5), and the binding clip rack (1-7-1) is meshed with the transmission gear (1-6); the storage and clamping bin (1-7-5) is positioned inside the clamp rod (3), the first clamp arm (1-7-7) and the second clamp arm (1-7-8) extend out of the front end of the clamp rod (3), and the rear ends of the first clamp arm (1-7-7) and the second clamp arm (1-7-8) are provided with retraction guide surfaces (1-7-12) which are matched with the front end of the clamp rod (3) so as to enable the first clamp arm (1-7-7) and the second clamp arm (1-7-8) to be opened or closed when the storage and clamping clamp head (1-7) is retracted in the clamp rod (3);
the pushing and clamping control mechanism (2) comprises a pushing and clamping operation handle, a pushing and clamping push rod (2-2), a clamping storage clamping piece (2-3) and a pushing and clamping piece (2-5), the pushing and clamping push rod (2-2) is arranged inside the clamping rod (3), the rear end of the pushing and clamping push rod (2-2) is in transmission connection with the pushing and clamping operation handle, the clamping storage clamping piece (2-3) is arranged at the front end of the pushing and clamping push rod (2-2), an opening cavity for accommodating a push rod rack (1-5), a transmission gear (1-6) and a clamping storage head (1-7) is arranged on the clamping storage clamping piece (2-3), the two side walls of the opening cavity are respectively provided with the pushing and clamping piece (2-5), the pushing and clamping piece (2-5) is positioned on the two sides of the clamping storage clamping bin (1-7-5), n groups of clamp delivery salient points (2-5-1) used for pushing the tissue clamp forwards are arranged on the clamp delivery push sheet (2-5), and the distance between the front and back adjacent clamp delivery salient points (2-5-1) corresponds to the front and back distance between the tissue clamp positioning grooves (1-7-6) on the first forceps head arm (1-7-7) and the second forceps head arm (1-7-8) in the clamp storage bin (1-7-5).
2. The simple tissue clip hair clip applier according to claim 1, wherein: the clamp delivery salient point (2-5-1) is integrally formed on the clamp delivery push sheet (2-5) in a punching mode, a clamp pushing surface (2-5-1a) is arranged at the front end of the clamp delivery salient point (2-5-1), and a reset guide inclined surface (2-5-1b) is arranged at the rear end of the clamp delivery salient point.
3. A simplified tissue clip, hair clip applier according to claim 2, wherein: the side wall of the front end of the first bin clamping wall (1-7-3) and the side wall of the front end of the second bin clamping wall (1-7-4) are also provided with a push sheet clamping groove (1-7-9) for laterally limiting and conveying a clamp push sheet (2-5).
4. The simple tissue clip hair clip applier according to claim 1, wherein: the inner side walls of the first forceps head arms (1-7-7) and the second forceps head arms (1-7-8) are respectively provided with a guide clamping groove (1-7-10), and side blocking bulges (1-7-11) are also arranged at the tissue clamp positioning grooves (1-7-6) of the first forceps head arms (1-7-7) and the second forceps head arms (1-7-8).
5. The simple tissue clip hair clip applier according to claim 1, wherein: the side wall of the push rod rack (1-5) is provided with a push rod rack guide rib (1-5-1) which is in guide fit with the inner wall of the opening cavity of the storage bin clamping piece (2-3), and the side wall of the binding clip rack (1-7-1) is provided with a binding clip rack guide rib (1-7-2) which is in guide fit with the inner wall of the opening cavity of the storage bin clamping piece (2-3).
6. A simplified tissue clip hair clip applier according to any one of claims 1 to 5, wherein: the automatic assembling device is characterized in that a strip-shaped hole (2-3-1) used for avoiding a wheel shaft of the transmission gear (1-6) is formed in the storage clamping bin clamping piece (2-3), a clamp conveying reset tension spring (2-4) is further arranged on the storage clamping bin clamping piece (2-3), one end of the clamp conveying reset tension spring (2-4) is connected with the storage clamping bin clamping piece (2-3), the other end of the clamp conveying reset tension spring is hooked on the wheel shaft of the transmission gear (1-6), and an assembling opening (3-1) is further formed in the position, located on the side wall of the clamping rod (3), of the clamp conveying reset tension spring (2-4).
7. The simple tissue clip hair clip applier according to claim 6, wherein: the handle assembly comprises a fixed handle (1-1), a clamp rod connecting part (1-2) and a movable handle (1-3), the fixed handle (1-1) is fixedly connected with the clamp rod connecting part (1-2), the clamp rod connecting part (1-2) is coaxially connected with the clamp rod (3), the movable handle (1-3) is rotatably connected with the fixed handle (1-1), a push rod seat (1-8), a push rod spring (1-9) and a gasket (1-10) are arranged in the clamp rod connecting part (1-2), the push rod seat (1-8) is in threaded connection with the tail part of a clamp head push rod (1-4), the push rod spring (1-9) is sleeved on the tail part of the clamp head push rod (1-4), and the front end of the push rod spring (1-9) abuts against the clamp rod connecting part (1-3) through the gasket (1-10) 2) The rear end of the push rod spring (1-9) is abutted against the push rod seat (1-8), the push rod seat (1-8) is provided with a groove, and the movable handle (1-3) is provided with a push arm (1-3-1) matched with the groove.
8. The simple tissue clip hair clip applier according to claim 7, wherein: the clamp pushing operation handle comprises a clamp sending trigger (2-1), the clamp sending trigger (2-1) is rotatably arranged on a trigger mounting seat (1-2-1) arranged on the clamp rod connecting part (1-2), and a clamp pushing and pulling arm (2-1-1) abutting against the tail end of a clamp sending push rod (2-2) is arranged on the clamp sending trigger (2-1).
9. The simple tissue clip hair clip applier according to claim 8, wherein: the clamp rod (3) is axially and rotatably connected with the clamp rod connecting part (1-2) through a rotating wheel assembly (4), a washing opening (4-1) communicated with the inner wall of the clamp rod (3) is formed in the rotating wheel assembly (4), and a washing groove (2-3-2) is further formed in the clamping piece (2-3) of the storage and clamping bin.
CN202110399369.4A 2021-04-14 2021-04-14 Simple tissue clip repeating clip applying forceps Active CN113081145B (en)

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CN113796917A (en) * 2021-11-19 2021-12-17 杭州康基医疗器械有限公司 Continuous hair clip applying mechanism applied to continuous hair clip applying clamp
CN113796918B (en) * 2021-11-19 2022-02-22 杭州康基医疗器械有限公司 Step-by-step feeding mechanism applied to continuous hair clip applier
CN116407201A (en) * 2021-12-31 2023-07-11 江苏风和医疗器材股份有限公司 Clamping bin and clamp applying clamp

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EP0087937A2 (en) * 1982-02-26 1983-09-07 Ethicon, Inc. Surgical clip applier with circular clip magazine
CN1644174A (en) * 2003-09-29 2005-07-27 伊西康内外科公司 Surgical stapling instrument having multistroke firing with opening lockout
CN102755182A (en) * 2012-08-10 2012-10-31 常州市三联星海医疗器械制造有限公司 Clamping head with positioning boss of clamping applying clamp
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