CN115252029B - A matching device for vascular anastomosis in rapid liver transplantation - Google Patents
A matching device for vascular anastomosis in rapid liver transplantation Download PDFInfo
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- CN115252029B CN115252029B CN202210675846.XA CN202210675846A CN115252029B CN 115252029 B CN115252029 B CN 115252029B CN 202210675846 A CN202210675846 A CN 202210675846A CN 115252029 B CN115252029 B CN 115252029B
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- 230000002792 vascular Effects 0.000 title claims abstract description 52
- 230000003872 anastomosis Effects 0.000 title claims abstract description 38
- 210000004185 liver Anatomy 0.000 title claims abstract description 26
- 238000002054 transplantation Methods 0.000 title claims abstract description 26
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 90
- 230000007306 turnover Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002439 hemostatic effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 201000007270 liver cancer Diseases 0.000 description 2
- 208000014018 liver neoplasm Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00969—Surgical instruments, devices or methods used for transplantation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B2017/1107—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis for blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B2017/1121—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis adapted for performing tissue or graft eversion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B2017/1132—End-to-end connections
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
- A61B2017/2845—Handles with a spring pushing the handle back
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Abstract
本发明提供一种应用于快速肝移植中血管吻合的配套器械，属于医疗器械技术领域；包括上钳体和下钳体，所述上钳体和所述下钳体通过转轴转动连接，所述上钳体和所述下钳体之间的位置处设置有夹持单元，所述上钳体和所述下钳体上对应所述夹持单元的一侧设置有翻折单元。本发明通过设置夹持单元和翻折单元，夹持单元夹持待缝合血管端部，使得血管端部撑开，便于下一步的血管端部翻折动作，通过翻折单元对待缝合的血管端部进行翻折，便于下一步的血管缝合，该夹持单元在夹持血管的同时，实现了自动将血管打开的动作，保证血管的稳定，代替了人工撑开血管的动作，便于下一步血管翻折以及后续的血管缝合。
The present invention provides a supporting device for vascular anastomosis in rapid liver transplantation, belonging to the technical field of medical devices; it comprises an upper clamp body and a lower clamp body, the upper clamp body and the lower clamp body are rotatably connected by a rotating shaft, a clamping unit is arranged at a position between the upper clamp body and the lower clamp body, and a folding unit is arranged on one side of the upper clamp body and the lower clamp body corresponding to the clamping unit. The present invention provides a clamping unit and a folding unit, the clamping unit clamps the end of the blood vessel to be sutured, so that the end of the blood vessel is stretched open, which is convenient for the next step of folding the end of the blood vessel, and the folding unit is used to fold the end of the blood vessel to be sutured, which is convenient for the next step of suturing the blood vessel, and the clamping unit realizes the action of automatically opening the blood vessel while clamping the blood vessel, ensuring the stability of the blood vessel, replacing the action of manually stretching the blood vessel, which is convenient for the next step of folding the blood vessel and subsequent suturing of the blood vessel.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a matched appliance applied to vascular anastomosis in rapid liver transplantation.
Background
In recent years, the incidence rate of liver cancer is remarkably increased, and most of liver cancer is treated by adopting a liver transplantation technology, so that the liver transplantation has the advantages of short ischemia time, good tissue compatibility and the like.
In liver transplantation, vascular suturing is an unavoidable important operation procedure, and vascular anastomosis is generally adopted as vascular end anastomosis.
The existing vascular end anastomosis structure mostly adopts an oblique needle to assist vascular anastomosis, and the oblique needle is difficult to enable one end of a blood vessel to be free from moving and easy to puncture the vascular wall, so that vascular anastomosis is not facilitated, and therefore, the application provides a matched instrument applied to vascular anastomosis in rapid liver transplantation to meet the requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a matched instrument applied to vascular anastomosis in rapid liver transplantation so as to solve the problems that the existing inclined needle is adopted for assistance, one end of a blood vessel is difficult to move and the vascular wall is easy to puncture, so that vascular anastomosis is not facilitated.
In order to solve the technical problems, the invention provides the following technical scheme:
The utility model provides a be applied to matched instrument of vascular anastomosis in quick liver transplantation, includes the upper forceps body and lower forceps body, the upper forceps body with lower forceps body is rotated through the pivot and is connected, the upper forceps body with position department between the lower forceps body is provided with clamping unit, the upper forceps body with correspond on the lower forceps body one side of clamping unit is provided with turns over a unit, clamping unit is used for carrying out the centre gripping to the blood vessel, turn over a unit and be used for turning over the tip of blood vessel.
Preferably, the clamping unit comprises clamping blocks, semicircular holes are formed in the upper clamp body and the lower clamp body, the two clamping blocks are installed in the semicircular holes, a first connecting shaft is arranged in the lower clamp body, a compression spring is sleeved on the first connecting shaft, arc-shaped pushing blocks are symmetrically arranged in the upper semicircular holes of the lower clamp body, wedge-shaped blocks are arranged on two sides of the upper semicircular holes of the upper clamp body, and first limiting grooves are formed in two sides of the upper semicircular holes of the lower clamp body, and the wedge-shaped blocks are inserted in the first limiting grooves.
Preferably, the folding unit comprises a first limiting semi-ring, two first limiting semi-rings are arranged on the side walls of the upper clamp body and the lower clamp body, second limiting grooves are circumferentially distributed on the first limiting semi-ring, second limiting semi-rings are sleeved on the outer sides of the first limiting semi-rings, the two second limiting semi-rings are respectively fixedly connected with the side walls of the upper clamp body and the lower clamp body, third limiting grooves are circumferentially distributed on the second limiting semi-rings, a sliding block is slidingly connected on the inner wall of the second limiting semi-ring, tooth grooves are formed on the sliding block, a second reset spring is fixedly connected on one side of the sliding block, one end of the second reset spring is fixedly connected with the second limiting semi-ring, a fourth limiting groove is formed on the inner wall of the second limiting semi-ring, the rotary shaft at the position between the upper forceps body and the lower forceps body is provided with a telescopic rod, the output end of the telescopic rod is fixedly connected with a first connecting rod, the first connecting rod is fixedly connected with a second connecting semi-ring, one side of the second connecting semi-ring is clamped with the first connecting semi-ring, the first connecting semi-ring and the second connecting semi-ring are sleeved on the second limiting semi-ring, the second connecting semi-ring is fixedly connected with a second connecting rod, the second connecting rod is rotationally connected with a cylindrical gear, the cylindrical gear is meshed and connected with the sliding block through a tooth slot, the cylindrical gear is fixedly connected with a connecting block, one end of the connecting block is provided with a hooking part, the second connecting semi-ring is fixedly connected with a third reset spring, one end of the third reset spring is fixedly connected with the second limiting semi-ring, and the second connecting semi-ring is rotationally connected with a second connecting shaft.
Preferably, one end of the first connecting shaft is fixedly connected with the arc-shaped pushing block, and the other end of the first connecting shaft is communicated with the first limiting groove.
Preferably, a fourth reset spring is arranged at the rotation connection part of the second connection semi-ring and the second connection shaft.
Preferably, a limiting block is arranged at one end of the second connecting shaft, and the limiting block is in sliding connection with the fourth limiting groove.
Preferably, the number of the second limit groove, the third limit groove, the sliding block, the fourth limit groove, the second connecting rod and the cylindrical gear is the same.
Preferably, one end of the second limiting semi-ring is provided with a magnetic part.
Preferably, a first return spring is arranged at a position between the upper clamp body and the lower clamp body.
Preferably, one ends of the upper forceps body and the lower forceps body are provided with arc grooves, and the arc grooves are provided with anti-slip teeth.
Compared with the prior art, the invention has at least the following beneficial effects:
in the scheme, the clamping unit is used for clamping the end part of the blood vessel to be sutured through the clamping unit and the turnover unit, so that the end part of the blood vessel is unfolded, the turnover action of the end part of the blood vessel in the next step is facilitated, the end part of the blood vessel to be sutured is turned over through the turnover unit, and the suturing of the blood vessel in the next step is facilitated.
Through setting up grip block and arc ejector pad, promote the clamp body and lower clamp body, make the grip unit on the clamp body and the lower clamp body open, insert the position department between two grip blocks with the one end of waiting to sew up the blood vessel after hemostatic clamp, then loosen the clamp body and lower clamp body, under the effect of first reset spring, drive the clamp body and lower clamp body closure, and then make two grip blocks grip the one end of waiting to sew up the blood vessel, then promote first connecting axle through the wedge in the closed in-process of upper clamp body and lower clamp body and remove, promote the arc ejector pad through first connecting axle and remove for arc ejector pad centre gripping blood vessel, open the one end of blood vessel, be convenient for turn over the next step blood vessel, this grip unit has realized the action of opening the blood vessel voluntarily when centre gripping blood vessel, the action of guaranteeing the blood vessel has replaced the action of manual work struts blood vessel, be convenient for next step blood vessel turns over and follow-up blood vessel is sewed up.
Through arranging the first limiting semi-rings, the second limiting semi-rings and the hooking parts, after the clamping unit clamps the blood vessel to be sutured, at the moment, one end of the blood vessel to be sutured is positioned between the inner wall of the first limiting semi-rings and the hooking parts, the end part of the blood vessel to be sutured protrudes out of one part of the outer sides of the first limiting semi-rings, simultaneously, in the process of closing the clamping units on the upper clamp body and the lower clamp body, the two first limiting semi-rings form a circular ring and are sleeved on the outer sides of the blood vessel to be sutured, the two first limiting semi-rings form a circular ring and are sleeved on the outer sides of the two first limiting semi-rings, meanwhile, the first connecting semi-rings and the second connecting semi-rings are mutually close and are clamped, then the telescopic rod is pushed to drive the first connecting semi-rings to move, the first connecting semi-rings and the second connecting semi-rings are driven by the first connecting semi-rings to move, the cylindrical gears are driven by the first connecting semi-rings and the second connecting semi-rings to move, the sliding block is driven to move through the cylindrical gear, the sliding block is driven to move reversely under the action of the second reset spring, the cylindrical gear is driven to rotate through the sliding block, the connecting block on the cylindrical gear rotates, the hooking part on the connecting block hooks the inner wall of the blood vessel to be sutured, the telescopic rod is continuously pushed, the connecting block is driven to rotate, meanwhile, the connecting block slides between the first limiting semi-ring and the second limiting semi-ring, as the blood vessel to be sutured is clamped by the clamping unit, one end of the blood vessel to be sutured is separated from the hooking part on the connecting block along with the movement of the connecting block, at the moment, one end of the blood vessel to be sutured is folded and sleeved on the first limiting semi-ring, the telescopic rod is continuously pushed, one end of the second connecting shaft is driven to be inserted into the fourth limiting groove and slide in the fourth limiting groove, one end of the second connecting shaft is limited by the fourth limiting groove, the telescopic rod is in a contracted state, the first connecting semi-ring and the second connecting semi-ring are staggered, follow-up suturing work is facilitated, one end of the other blood vessel to be sutured is sleeved on the folding unit on the other upper clamp body and the lower clamp body, two matched devices applied to vascular anastomosis in rapid liver transplantation are manually pushed to be close, the two second limiting semi-rings are tightly attached to each other through the magnetic attraction part on the second limiting semi-ring, the existing inclined needle auxiliary vascular anastomosis mode is replaced by automatic folding, damage to a vascular wall is reduced, vascular anastomosis work is facilitated, the use of the magnetic attraction part on the second limiting semi-ring is guaranteed, vascular folding length is moderate, vascular anastomosis is facilitated, suturing work is guaranteed through the second limiting groove and the third limiting groove after the two matched devices applied to vascular anastomosis in rapid liver transplantation are close to be tightly attached, suturing uniformity is guaranteed, and vascular suturing effect is improved.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic perspective view of a first perspective view of a kit for vascular anastomosis used in rapid liver transplantation;
FIG. 2 is a schematic perspective view of a second perspective view of a kit for vascular anastomosis used in rapid liver transplantation;
FIG. 3 is a schematic view of a three-dimensional enlarged structure of the lower clamp body;
FIG. 4 is a schematic view of a three-dimensional enlarged structure of the upper clamp body;
fig. 5 is a schematic view of a partially enlarged perspective structure of the turnover unit;
FIG. 6 is a schematic view of the enlarged perspective structure of the area A in FIG. 5;
FIG. 7 is a schematic view of a three-dimensional enlarged structure of a first connecting half ring;
Fig. 8 is a schematic view of a three-dimensional enlarged structure of the first limiting semi-ring;
FIG. 9 is a schematic view of the enlarged perspective structure of FIG. 5 with the first and second retainer half rings removed;
fig. 10 is a schematic diagram of a three-dimensional enlarged structure of the second limiting semi-ring.
[ Reference numerals ]
1. An upper clamp body; 2. a lower clamp body; 3. a clamping unit; 4. a turnover unit; 5. a clamping block; 6. wedge blocks; 7. an arc-shaped pushing block; 8. a first limiting half ring; 9. the second limit groove; 10. a second limiting semi-ring; 11. a third limit groove; 12. a slide block; 13. a second return spring; 14. a fourth limit groove; 15. a telescopic rod; 16. a first connecting rod; 17. a first connecting half ring; 18. a second connecting half ring; 19. a second connecting rod; 20. a cylindrical gear; 21. a connecting block; 22. a hooking part; 23. a third return spring; 24. and a second connecting shaft.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The following describes in detail a matched instrument for vascular anastomosis in rapid liver transplantation, provided by the invention, with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
As used herein, the term "nominal" refers to a desired or target value for a characteristic or parameter of a component or process operation, and a range of values above and/or below the desired value, that is set during a design phase of a production or manufacturing process. The range of values may be due to slight variations in manufacturing processes or tolerances. As used herein, the term "about" indicates a given amount of value that may vary based on the particular technology node associated with the subject semiconductor device. Based on a particular technology node, the term "about" may indicate a given amount of a value that varies, for example, within 5% -15% of the value (e.g., ±5%, ±10% or±15%).
It will be understood that the meanings of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" something but also includes the meaning of "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning of "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 and 2, an embodiment of the present invention provides a matched instrument applied to vascular anastomosis in rapid liver transplantation, including an upper forceps body 1 and a lower forceps body 2, the upper forceps body 1 and the lower forceps body 2 are rotationally connected through a rotating shaft, a first return spring is disposed at a position between the upper forceps body 1 and the lower forceps body 2, arc grooves are disposed at one ends of the upper forceps body 1 and the lower forceps body 2, anti-slip teeth are disposed on the arc grooves, a clamping unit 3 is disposed at a position between the upper forceps body 1 and the lower forceps body 2, a folding unit 4 is disposed at one side of the upper forceps body 1 and one side of the lower forceps body 2 corresponding to the clamping unit 3, the clamping unit 3 is used for clamping a blood vessel, the folding unit 4 is used for folding an end of the blood vessel, the end of the blood vessel to be sutured is clamped through the clamping unit 3, so that the vascular end is spread, the vascular end of the next step is turned over, the vascular end of the blood vessel to be sutured is turned over through the clamping unit 4, and the vascular end of the next step is convenient.
As shown in fig. 1-4, the clamping unit 3 includes a clamping block 5, semicircular holes are formed in the upper clamp body 1 and the lower clamp body 2, two clamping blocks 5 are installed in the semicircular holes, a first connecting shaft is arranged in the lower clamp body 2, a compression spring is sleeved on the first connecting shaft, arc-shaped pushing blocks 7 are symmetrically arranged in the upper semicircular holes of the lower clamp body 2, wedge-shaped blocks 6 are arranged on two sides of the upper semicircular holes of the upper clamp body 1, first limiting grooves are formed on two sides of the upper semicircular holes of the lower clamp body 2, the wedge-shaped blocks 6 are inserted into the first limiting grooves, one end of the first connecting shaft is fixedly connected with the arc-shaped pushing blocks 7, and the other end of the first connecting shaft is communicated with the first limiting grooves.
Pushing the upper clamp body 1 and the lower clamp body 2 to open the clamping units 3 on the upper clamp body 1 and the lower clamp body 2, inserting one end of a blood vessel to be sutured after hemostasis of the hemostatic clamp into the position between the two clamping blocks 5, then loosening the upper clamp body 1 and the lower clamp body 2, driving the upper clamp body 1 and the lower clamp body 2 to be closed under the action of a first reset spring, further enabling the two clamping blocks 5 to clamp one end of the blood vessel to be sutured, pushing the first connecting shaft to move through the wedge-shaped blocks 6 in the closing process of the upper clamp body 1 and the lower clamp body 2, pushing the arc-shaped pushing blocks 7 to move through the first connecting shaft, enabling the arc-shaped pushing blocks 7 to clamp the blood vessel, opening one end of the blood vessel, facilitating the folding of the next blood vessel, enabling the clamping units 3 to clamp the blood vessel, simultaneously realizing the action of automatically opening the blood vessel, guaranteeing the stability of the blood vessel, replacing the action of manually expanding the blood vessel, and facilitating the folding of the blood vessel of the next step.
As shown in fig. 1, fig. 2, fig. 3, fig. 5-10, the turnover unit 4 comprises a first limiting semi-ring 8, two first limiting semi-rings 8 are mounted on the side walls of the upper clamp body 1 and the lower clamp body 2, second limiting grooves 9 are distributed on the first limiting semi-ring 8 in a circumferential manner, a second limiting semi-ring 10 is sleeved on the outer side of the first limiting semi-ring 8, one end of the second limiting semi-ring 10 is provided with a magnetic attraction part, the two second limiting semi-rings 10 are respectively fixedly connected with the side walls of the upper clamp body 1 and the lower clamp body 2, a third limiting groove 11 is distributed on the second limiting semi-ring 10 in a circumferential manner, a sliding block 12 is slidingly connected on the inner wall of the second limiting semi-ring 10, tooth grooves are formed on the sliding block 12, a second return spring 13 is fixedly connected on one side of the sliding block 12, one end of the second return spring 13 is fixedly connected with the second limiting semi-ring 10, a fourth limiting groove 14 is formed on the inner wall of the second limiting semi-ring 10, a telescopic rod 15 is arranged on a rotating shaft at the position between the upper clamp body 1 and the lower clamp body 2, the output end of the telescopic rod 15 is fixedly connected with a first connecting rod 16, the first connecting rod 16 is fixedly connected with a second connecting semi-ring 18, one side of the second connecting semi-ring 18 is clamped with a first connecting semi-ring 17, the first connecting semi-ring 17 and the second connecting semi-ring 18 are sleeved on a second limiting semi-ring 10, the second connecting semi-ring 18 is fixedly connected with a second connecting rod 19, the second connecting rod 19 is rotationally connected with a cylindrical gear 20, the cylindrical gear 20 is meshed with a sliding block 12 through a tooth slot, the cylindrical gear 20 is fixedly connected with a connecting block 21, one end of the connecting block 21 is provided with a hooking part 22, the second connecting semi-ring 18 is fixedly connected with a third return spring 23, one end of the third return spring 23 is fixedly connected with the second limiting semi-ring 10, the second connecting semi-ring 18 is rotatably connected with a second connecting shaft 24, a fourth reset spring is arranged at the rotary connection position of the second connecting semi-ring 18 and the second connecting shaft 24, a limiting block is arranged at one end of the second connecting shaft 24 and is slidably connected with the fourth limiting groove 14, and the number of the second limiting groove 9, the third limiting groove 11, the sliding block 12, the fourth limiting groove 14, the second connecting rod 19 and the cylindrical gear 20 are the same.
After the blood vessel to be sutured is clamped by the clamping unit 3, at this time, one end of the blood vessel to be sutured is positioned between the inner wall of the first limiting semi-ring 8 and the hooking part 22, and the end of the blood vessel to be sutured protrudes out of a part of the outer side of the first limiting semi-ring 8, meanwhile, in the process of closing the clamping unit 3 on the upper forceps body 1 and the lower forceps body 2, the two first limiting semi-rings 8 form a circular ring and are sleeved on the outer side of the blood vessel to be sutured, the two first limiting semi-rings 8 form a circular ring and are sleeved on the outer sides of the two first limiting semi-rings 8, meanwhile, the first connecting semi-ring 17 and the second connecting semi-ring 18 are mutually close and clamped, then the telescopic rod 15 is pushed, the first connecting semi-ring 16 is driven to move, the first connecting semi-ring 17 and the second connecting semi-ring 18 are driven to move by the first connecting semi-ring 16, the cylindrical gear 20 is driven to move by the first connecting semi-ring 17 and the second connecting semi-ring 18, the slide block 12 is driven to move through the cylindrical gear 20, the slide block 12 is pushed to reversely move under the action of the second reset spring 13, the cylindrical gear 20 is driven to rotate through the slide block 12, the connecting block 21 on the cylindrical gear 20 rotates, the hooking part 22 on the connecting block 21 hooks the inner wall of a blood vessel to be sutured, the telescopic rod 15 is continuously pushed, the connecting block 21 is driven to rotate, the connecting block 21 slides between the first limiting semi-ring 8 and the second limiting semi-ring 10, as the blood vessel to be sutured is clamped by the clamping unit 3, one end of the blood vessel to be sutured is separated from the hooking part 22 on the connecting block 21 along with the movement of the connecting block 21, at the moment, one end of the blood vessel to be sutured is sleeved on the first limiting semi-ring 8, the telescopic rod 15 is continuously pushed, the second connecting shaft 24 on the first connecting semi-ring 17 and the second connecting semi-ring 18 is driven to move, the end of the second connecting shaft 24 is inserted into the fourth limiting groove 14 and slides in the fourth limiting groove 14, one end of the second connecting shaft 24 is limited by the fourth limiting groove 14, the telescopic rod 15 is in a contracted state, the first connecting semi-ring 17 and the second connecting semi-ring 18 are staggered, subsequent suturing work is facilitated, one end of another blood vessel to be sutured is sleeved on the folding unit 4 on the other upper forceps body 1 and the lower forceps body 2, two matched devices applied to vascular anastomosis in rapid liver transplantation are manually pushed to approach, the two second limiting semi-rings 10 are tightly adhered to each other by the magnetic attraction part on the second limiting semi-ring 10, the existing oblique needle auxiliary vascular anastomosis mode is replaced by automatic folding, the damage to the vascular wall is reduced, vascular anastomosis work is facilitated, the use of the magnetic attraction part on the second limiting semi-ring 10 is ensured, the vascular anastomosis is facilitated, after the matched devices applied to vascular anastomosis in rapid liver transplantation approach tightly, the suture effect is ensured by using the suture needle and the second limiting semi-ring 9, and the suture effect is improved.
According to the technical scheme provided by the invention, the clamping unit and the folding unit are arranged, the clamping unit clamps the end part of the blood vessel to be sutured, so that the end part of the blood vessel is unfolded, the folding action of the end part of the blood vessel in the next step is facilitated, and the end part of the blood vessel to be sutured is folded through the folding unit, so that the suturing of the blood vessel in the next step is facilitated.
Through setting up grip block and arc ejector pad, promote the clamp body and lower clamp body, make the grip unit on the clamp body and the lower clamp body open, insert the position department between two grip blocks with the one end of waiting to sew up the blood vessel after hemostatic clamp, then loosen the clamp body and lower clamp body, under the effect of first reset spring, drive the clamp body and lower clamp body closure, and then make two grip blocks grip the one end of waiting to sew up the blood vessel, then promote first connecting axle through the wedge in the closed in-process of upper clamp body and lower clamp body and remove, promote the arc ejector pad through first connecting axle and remove for arc ejector pad centre gripping blood vessel, open the one end of blood vessel, be convenient for turn over the next step blood vessel, this grip unit has realized the action of opening the blood vessel voluntarily when centre gripping blood vessel, the action of guaranteeing the blood vessel has replaced the action of manual work struts blood vessel, be convenient for next step blood vessel turns over and follow-up blood vessel is sewed up.
Through arranging the first limiting semi-rings, the second limiting semi-rings and the hooking parts, after the clamping unit clamps the blood vessel to be sutured, at the moment, one end of the blood vessel to be sutured is positioned between the inner wall of the first limiting semi-rings and the hooking parts, the end part of the blood vessel to be sutured protrudes out of one part of the outer sides of the first limiting semi-rings, simultaneously, in the process of closing the clamping units on the upper clamp body and the lower clamp body, the two first limiting semi-rings form a circular ring and are sleeved on the outer sides of the blood vessel to be sutured, the two first limiting semi-rings form a circular ring and are sleeved on the outer sides of the two first limiting semi-rings, meanwhile, the first connecting semi-rings and the second connecting semi-rings are mutually close and are clamped, then the telescopic rod is pushed to drive the first connecting semi-rings to move, the first connecting semi-rings and the second connecting semi-rings are driven by the first connecting semi-rings to move, the cylindrical gears are driven by the first connecting semi-rings and the second connecting semi-rings to move, the sliding block is driven to move through the cylindrical gear, the sliding block is driven to move reversely under the action of the second reset spring, the cylindrical gear is driven to rotate through the sliding block, the connecting block on the cylindrical gear rotates, the hooking part on the connecting block hooks the inner wall of the blood vessel to be sutured, the telescopic rod is continuously pushed, the connecting block is driven to rotate, meanwhile, the connecting block slides between the first limiting semi-ring and the second limiting semi-ring, as the blood vessel to be sutured is clamped by the clamping unit, one end of the blood vessel to be sutured is separated from the hooking part on the connecting block along with the movement of the connecting block, at the moment, one end of the blood vessel to be sutured is folded and sleeved on the first limiting semi-ring, the telescopic rod is continuously pushed, one end of the second connecting shaft is driven to be inserted into the fourth limiting groove and slide in the fourth limiting groove, one end of the second connecting shaft is limited by the fourth limiting groove, the telescopic rod is in a contracted state, the first connecting semi-ring and the second connecting semi-ring are staggered, follow-up suturing work is facilitated, one end of the other blood vessel to be sutured is sleeved on the folding unit on the other upper clamp body and the lower clamp body, two matched devices applied to vascular anastomosis in rapid liver transplantation are manually pushed to be close, the two second limiting semi-rings are tightly attached to each other through the magnetic attraction part on the second limiting semi-ring, the existing inclined needle auxiliary vascular anastomosis mode is replaced by automatic folding, damage to a vascular wall is reduced, vascular anastomosis work is facilitated, the use of the magnetic attraction part on the second limiting semi-ring is guaranteed, vascular folding length is moderate, vascular anastomosis is facilitated, suturing work is guaranteed through the second limiting groove and the third limiting groove after the two matched devices applied to vascular anastomosis in rapid liver transplantation are close to be tightly attached, suturing uniformity is guaranteed, and vascular suturing effect is improved.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. A kit for vascular anastomosis in rapid liver transplantation, comprising:
The upper forceps body and the lower forceps body are rotationally connected through a rotating shaft, a clamping unit is arranged at the position between the upper forceps body and the lower forceps body, a turnover unit is arranged on one side, corresponding to the clamping unit, of the upper forceps body and the lower forceps body, the clamping unit is used for clamping a blood vessel, and the turnover unit is used for turnover the end part of the blood vessel;
The clamping unit comprises clamping blocks, semicircular holes are formed in the upper clamp body and the lower clamp body, the two clamping blocks are installed in the semicircular holes, a first connecting shaft is arranged in the lower clamp body, a compression spring is sleeved on the first connecting shaft, arc-shaped pushing blocks are symmetrically arranged in the upper semicircular holes of the lower clamp body, wedge-shaped blocks are arranged on two sides of the upper semicircular holes of the upper clamp body, first limiting grooves are formed in two sides of the upper semicircular holes of the lower clamp body, and the wedge-shaped blocks are inserted into the first limiting grooves;
The turnover unit comprises a first limiting semi-ring, two first limiting semi-rings are arranged on the side walls of the upper clamp body and the lower clamp body, second limiting grooves are circumferentially distributed on the first limiting semi-ring, second limiting semi-rings are sleeved on the outer sides of the first limiting semi-rings, the two second limiting semi-rings are respectively fixedly connected with the side walls of the upper clamp body and the lower clamp body, third limiting grooves are circumferentially distributed on the second limiting semi-rings, sliding connection with a sliding block is arranged on the inner walls of the second limiting semi-rings, tooth sockets are formed in the sliding block, one side of the sliding block is fixedly connected with a second reset spring, one end of the second reset spring is fixedly connected with the second limiting semi-ring, a telescopic rod is arranged on the inner wall of the second limiting semi-ring, a first connecting rod is fixedly connected with the output end of the telescopic rod, a second connecting semi-ring is fixedly connected with the first connecting rod, one side of the second limiting semi-ring is fixedly connected with a second connecting rod, one side of the second connecting rod is fixedly connected with a second reset spring, the second connecting rod is fixedly connected with the second connecting rod is connected with the second connecting rod, the second connecting rod is fixedly connected with the first connecting rod, the second connecting rod is rotatably connected with the first connecting rod, the first connecting rod is fixedly connected with the second connecting rod, the second connecting rod is fixedly connected with the second connecting rod is rotatably connecting rod, and is fixedly connected with the second connecting rod and is rotatably connected with the first connecting rod and has a cylinder, the second connecting semi-ring is rotationally connected with a second connecting shaft;
A first reset spring is arranged at the position between the upper clamp body and the lower clamp body; the upper forceps body and one end of the lower forceps body are respectively provided with an arc-shaped groove, and anti-slip teeth are arranged on the arc-shaped grooves.
2. The kit for vascular anastomosis in rapid liver transplantation according to claim 1, wherein one end of the first connecting shaft is fixedly connected with the arc-shaped pushing block, and the other end of the first connecting shaft is communicated with the first limiting groove.
3. The kit for vascular anastomosis in rapid liver transplantation according to claim 1, wherein a fourth return spring is provided at the rotational connection of the second connector half-ring and the second connector shaft.
4. The matched instrument for vascular anastomosis in rapid liver transplantation according to claim 1, wherein a limiting block is arranged at one end of the second connecting shaft, and the limiting block is slidably connected with the fourth limiting groove.
5. The kit for vascular anastomosis in rapid liver transplantation according to claim 1, wherein the number of the second limiting groove, the third limiting groove, the slider, the fourth limiting groove, the second connecting rod and the cylindrical gear is the same.
6. The kit for vascular anastomosis in rapid liver transplantation according to claim 1, wherein a magnetic attraction part is provided at one end of the second limiting half ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675846.XA CN115252029B (en) | 2022-06-15 | 2022-06-15 | A matching device for vascular anastomosis in rapid liver transplantation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210675846.XA CN115252029B (en) | 2022-06-15 | 2022-06-15 | A matching device for vascular anastomosis in rapid liver transplantation |
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| CN115252029A CN115252029A (en) | 2022-11-01 |
| CN115252029B true CN115252029B (en) | 2024-11-22 |
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| CN116602723B (en) * | 2023-07-20 | 2023-11-10 | 泓欣科创(北京)科技有限公司 | Auxiliary hanging ring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395230A (en) * | 2014-09-11 | 2016-03-16 | 天津瑞贝精密机械技术研发有限公司 | Outwards-turned type end-end surgical stapler |
| CN218305035U (en) * | 2022-06-15 | 2023-01-17 | 中国人民解放军总医院第七医学中心 | Be applied to anastomotic supporting apparatus of blood vessel in quick liver transplantation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7169158B2 (en) * | 1996-07-23 | 2007-01-30 | Tyco Healthcare Group Lp | Anastomosis instrument and method for performing same |
| CA2320600C (en) * | 1999-10-01 | 2007-09-11 | United States Surgical Corporation | Anastomosis instrument and method for performing same |
| TWI679961B (en) * | 2018-12-06 | 2019-12-21 | 財團法人工業技術研究院 | Fixing device for blood vessel suturing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395230A (en) * | 2014-09-11 | 2016-03-16 | 天津瑞贝精密机械技术研发有限公司 | Outwards-turned type end-end surgical stapler |
| CN218305035U (en) * | 2022-06-15 | 2023-01-17 | 中国人民解放军总医院第七医学中心 | Be applied to anastomotic supporting apparatus of blood vessel in quick liver transplantation |
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