CN112274201B - Suture auxiliary instrument for laparoscopic surgery - Google Patents
Suture auxiliary instrument for laparoscopic surgery Download PDFInfo
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- CN112274201B CN112274201B CN202011100586.0A CN202011100586A CN112274201B CN 112274201 B CN112274201 B CN 112274201B CN 202011100586 A CN202011100586 A CN 202011100586A CN 112274201 B CN112274201 B CN 112274201B
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- seat
- fixedly connected
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- sliding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/062—Needle manipulators
Abstract
The invention discloses a suture auxiliary instrument for laparoscopic surgery, and relates to the technical field of surgical instruments. The invention comprises a pipe body, wherein two fixed seats are fixedly connected to one surface of the pipe body; a fixed rod is fixedly connected to one surface of the fixed seat; the other end of the fixed rod is fixedly connected with the other fixed seat; the side surface of the fixed rod is hinged with a clamp mechanism; the inner wall of the pipe body is fixedly connected with a front fixed inner ring and a rear fixed inner ring; the inner wall of the pipe body is fixedly connected with a support; the inner wall of the support is connected with a driving mechanism in a sliding way; the peripheral side surface of the driving mechanism is respectively in sliding fit with the front fixed inner ring and the rear fixed inner ring; one surface of the driving mechanism is in sliding fit with the clamp mechanism; the peripheral side surface of the pipe body is connected with a holding mechanism in a sliding way; the surface of the holding mechanism is in sliding fit with the driving mechanism. Through the design of the tube body, the holding mechanism and the driving mechanism, the invention solves the problem that the existing suture auxiliary instrument for laparoscopic surgery is low in cleaning efficiency or is wasted in replacement when the suture auxiliary instrument is cleaned after the surgery is finished because the suture auxiliary instrument is fixed in structure and cannot be disassembled.
Description
Technical Field
The invention belongs to the technical field of surgical instruments, and particularly relates to a suture auxiliary instrument for laparoscopic surgery.
Background
The laparoscopic surgery is a newly developed minimally invasive method, is an inevitable trend of the development of future surgical methods, and with the sudden and violent advance of industrial manufacturing technology, the fusion of related subjects lays a firm foundation for developing new technology and new method, and more skillful operations of doctors are added, so that many past open surgeries are replaced by intracavity surgeries, thereby greatly increasing the chance of surgical selection, and the traditional method of the posterior laparoscopic surgery is to make three small incisions of 1 cm at the waist of a patient, insert a pipeline-shaped working channel respectively, and carry out all the later operations through the three pipelines; and then special lengthened surgical instruments are used for completing the same steps as the open surgery under the television monitoring, so that the same surgical effect is achieved.
The advantage of two hole method back laparoscopic surgery is very obvious, at first, the wound is very little, only need 2 osculums, the scar is very little, this is more worth noticing young people and women that love beauty, secondly, the operation is the entering that the single knife is directly gone into, the damage to surrounding tissue reduces to minimum, the chance that the postoperative takes place the adhesion diminishes, thirdly, patient's postoperative wound pain obviously alleviates, fourthly, the number of days of being in hospital is less, some can go out of hospital as long as 2-3 days, can recover completely in 7 days and put into operation, thereby make patient's burden expense significantly reduce, hospital's sick bed turnover rate accelerates simultaneously.
The existing clamp for laparoscopic surgery is fixed in structure and cannot be detached in the using process, so that when the clamp is cleaned after the surgery is finished, more time and energy are consumed for sufficiently cleaning the clamp, the cleaning efficiency of the clamp is low, and the whole clamp is required to be replaced when the front end clamping part is worn or seriously polluted. And the structure function is single, and various different types of instruments are needed to finish the suture operation.
The invention aims to design a suture auxiliary instrument for laparoscopic surgery, which is convenient to disassemble and disassemble in structure, so that the suture auxiliary instrument can be more conveniently cleaned, the cleaning efficiency of the device is further improved, parts can be partially replaced conveniently according to requirements, the suture auxiliary instrument is complete in function, and various operation requirements can be met at one time.
Disclosure of Invention
The invention aims to provide a suturing auxiliary instrument for laparoscopic surgery, which solves the problem that the existing suturing auxiliary instrument for laparoscopic surgery is low in cleaning efficiency when being cleaned after the surgery is finished due to the fact that the structure of the suturing auxiliary instrument is fixed and cannot be disassembled through the design of a tube body, a holding mechanism and a driving mechanism.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a suture auxiliary instrument for laparoscopic surgery comprises a tube body, wherein two fixed seats are fixedly connected to one surface of the tube body; a fixed rod is fixedly connected to one surface of the fixed seat; the other end of the fixed rod is fixedly connected with the other fixed seat; the side surface of the fixed rod is hinged with a clamp mechanism; the inner wall of the pipe body is fixedly connected with a front fixed inner ring and a rear fixed inner ring; the inner wall of the pipe body is fixedly connected with a support; the inner wall of the support is connected with a driving mechanism in a sliding manner; the peripheral side surface of the pipe body is connected with a holding mechanism in a sliding manner; the surface of the holding mechanism is in sliding fit with the driving mechanism; the peripheral side surface of the pipe body is fixedly connected with a fixed outer ring; a thread button is connected to one surface of the fixed outer ring through threads; the peripheral side surface of the threaded button is in threaded connection with the holding mechanism; the holding mechanism comprises a fixed holding component; the fixed holding assembly comprises a connecting seat; a support plate is fixedly connected to one surface of the connecting seat; the inner wall of the support plate is in threaded connection with the threaded button; the peripheral side surface of the connecting seat is fixedly connected with a fixed holding seat; a movable holding component is hinged to one surface of the fixed holding seat; the movable holding assembly comprises a movable holding seat; the surface of the movable holding seat is hinged with the fixed holding seat; the surface of the movable holding seat is connected with two symmetrically distributed top posts in a sliding way; one surface of each of the two top columns is fixedly connected with a pressing seat; outer springs are sleeved on the peripheral side surfaces of the two top posts and positioned between the movable holding seat and the pressing seat; one surface of each of the two pressing seats is connected with two L-shaped seats in a sliding manner; one surface of each L-shaped seat is fixedly connected with the movable holding seat.
Furthermore, the peripheral side surface of the driving mechanism is respectively in sliding fit with the front fixed inner ring and the rear fixed inner ring; one surface of the driving mechanism is in sliding fit with the clamping mechanism.
Further, the drive mechanism comprises an inner rod; the peripheral side surface of the inner rod is respectively in sliding fit with the support and the rear fixed inner ring; the circumferential side surface of the inner rod is fixedly connected with a pressure applying ring; the circumferential side surface of the pressing ring is in sliding fit with the pipe body; a return spring is sleeved on the peripheral side surface of the inner rod and at a position between the pressure applying ring and the rear fixed inner ring; a damping buffer part is fixedly connected to one surface of the inner rod; the other end of the damping buffer piece is fixedly connected with a sliding seat; the peripheral side surface of the sliding seat is in sliding fit with the pipe body; a connecting rod is fixedly connected to one surface of the sliding seat; the other end of the connecting rod is fixedly connected with a moving seat; one surface of the movable seat is fixedly connected with two driving seats; a driving rod is fixedly connected between the opposite surfaces of the two driving seats; the peripheral side surface of the driving rod is in sliding fit with the rotating seat.
Further, the clamping mechanism comprises an upper clamping assembly and a lower clamping assembly; the upper clamp assembly and the lower clamp assembly comprise rotating seats; one surface of each of the two rotating seats is hinged with the fixed rod; and one surface of each of the two rotating seats is fixedly connected with a clamping seat.
The support is of a hollow cylindrical structure with openings at two ends; a round hole matched with the fixed rod is formed in the surface of the rotating seat; a limiting ring is fixedly connected to one surface of the rotating seat; the inner wall of the limiting ring is hinged with the fixed rod; a guide groove matched with the driving rod is formed in one surface of the rotating seat; a cutting groove is formed in one surface of the rotating seat; a plurality of clamping teeth are arranged on one surface of the clamping seat; a first wire hooking groove is formed in one surface of the clamping seat; two second wire hooking grooves are formed in one surface of the clamping seat;
the damping buffer piece comprises a sleeve, a small spring and a movable rod; and two through holes matched with the L-shaped seat are formed in one surface of the pressing seat.
The peripheral side surface of the inner rod is fixedly connected with two symmetrically distributed circular seats; the inner walls of the two circular seats are both connected with sliding columns in a sliding manner; one surface of each of the two sliding columns is fixedly connected with an inner spring; the other ends of the two inner springs are fixedly connected with the inner rod; the inner rod is located at the center of the tube body.
A square hole matched with the inner rod is formed in one surface of the movable holding seat; the inner wall of the square hole is provided with two movable grooves matched with the sliding column.
The peripheral side surface of the threaded button is provided with a plurality of anti-skidding grooves; and the inner wall of the fixed outer ring is provided with a thread groove matched with the thread button.
The invention has the following beneficial effects:
1. according to the invention, through the design of the pipe body, the holding mechanism and the driving mechanism, when the clamp needs to be cleaned, the holding mechanism can be taken down by rotating the threaded button and then pressing the pressing seat, so that medical personnel can more conveniently and fully clean the device, the cleaning efficiency and the practicability of the device are obviously improved, and parts can be replaced according to actual conditions.
2. According to the invention, through the design of the rotating seat, the clamping seat, the cutting groove, the clamping teeth, the first line hooking groove and the second line hooking groove, after the clamp is extended into a human body, the cutting groove can cut a suture line, the clamping teeth can move, knot and the like on the suture line, and the first line hooking groove and the second line hooking groove can pull the suture line, so that the use convenience and the functional diversity of the device are obviously improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the construction of a suture assisting device for laparoscopic surgery;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is an enlarged view at B of FIG. 1;
FIG. 5 is an enlarged view at C of FIG. 2;
FIG. 6 is a schematic structural view of the movable base, the driving base and the clamping mechanism;
FIG. 7 is an exploded view of the part of FIG. 6;
FIG. 8 is a schematic view of the driving mechanism;
FIG. 9 is an enlarged view at D of FIG. 8;
FIG. 10 is a schematic view of the structure of the holding mechanism;
FIG. 11 is a cross-sectional view of FIG. 10;
FIG. 12 is an enlarged view at E in FIG. 11;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a pipe body; 2. a fixed seat; 3. fixing the rod; 4. a clamp mechanism; 5. an inner ring is fixed in front; 6. the inner ring is fixed at the back; 7. a support; 8. a drive mechanism; 9. a holding mechanism; 10. fixing the outer ring; 11. a threaded button; 12. an upper clamp assembly; 13. a lower clamp assembly; 14. a rotating seat; 15. a clamping seat; 16. an inner rod; 17. applying a pressure ring; 18. a return spring; 19. a damping buffer; 20. a sliding seat; 21. a connecting rod; 22. a movable seat; 23. a driving seat; 24. a drive rod; 25. a fixed grip assembly; 26. a connecting seat; 27. a support plate; 28. fixing the holding seat; 29. a movable gripping assembly; 30. a movable holding seat; 31. a top pillar; 32. a pressing seat; 33. an outer spring; 34. an L-shaped seat; 35. a limiting ring; 36. a guide groove; 37. cutting the groove; 38. a first wire hooking groove; 39. a second wire hooking groove; 40. a sliding post; 41. a holding hole; 42. a limiting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, the present invention relates to a suture assisting device for laparoscopic surgery, and more particularly to an auxiliary clamp for surgery, which comprises a tube 1, wherein two fixing bases 2 are fixedly connected to one surface of the tube 1; the tube body 1 is a hollow cylinder structure with openings at two ends; a fixed rod 3 is fixedly connected to one surface of the fixed seat 2; the other end of the fixed rod 3 is fixedly connected with the other fixed seat 2; the side surface of the fixed rod 3 is hinged with a clamp mechanism 4; the inner wall of the pipe body 1 is fixedly connected with a front fixed inner ring 5 and a rear fixed inner ring 6; the inner wall of the pipe body 1 is fixedly connected with a support 7; the inner wall of the support 7 is connected with a driving mechanism 8 in a sliding way; the peripheral side surface of the driving mechanism 8 is respectively in sliding fit with the front fixed inner ring 5 and the rear fixed inner ring 6; one surface of the driving mechanism 8 is in sliding fit with the clamping mechanism 4;
the circumferential side surface of the pipe body 1 is connected with a holding mechanism 9 in a sliding way; the surface of the holding mechanism 9 is in sliding fit with the driving mechanism 8; the peripheral side surface of the pipe body 1 is fixedly connected with a fixed outer ring 10; a thread button 11 is connected to one surface of the fixed outer ring 10 in a threaded manner; the peripheral side surface of the threaded button 11 is in threaded connection with the holding mechanism 9; when the device is used, the holding mechanism 9 drives the driving mechanism 8 to operate, and the driving mechanism 8 drives the clamp mechanism 4 to operate;
the clamping mechanism 4 comprises an upper clamping assembly 12 and a lower clamping assembly 13; the upper clamp assembly 12 and the lower clamp assembly 13 both comprise a rotating seat 14; one surface of each of the two rotating seats 14 is hinged with the fixed rod 3; one surface of each of the two rotating seats 14 is fixedly connected with a clamping seat 15;
the drive mechanism 8 comprises an inner rod 16; the inner rod 16 is the main body structure of the driving mechanism 8; when the inner rod 16 moves in the pipe body 1, the clamp mechanism 4 is driven to operate; the peripheral side surface of the inner rod 16 is respectively in sliding fit with the support 7 and the rear fixed inner ring 6; the peripheral side surface of the inner rod 16 is fixedly connected with a pressure applying ring 17; the circumferential side surface of the pressure applying ring 17 is in sliding fit with the pipe body 1; a return spring 18 is sleeved on the circumferential side surface of the inner rod 16 and positioned between the pressure applying ring 17 and the rear fixed inner ring 6; the holding mechanism 9 is pressed, the inner rod 16 moves towards the holding mechanism 9 under the driving action of the holding mechanism 9, the pressure applying ring 17 compresses the return spring 18 in the moving process, then the holding mechanism 9 is released after the clamping mechanism 4 completes one-time clamping action, at the moment, the return spring 18 plays a role in returning, the inner rod 16 moves towards the clamping mechanism 4, and therefore the clamping mechanism 4 and the holding mechanism 9 are reset, and therefore the return spring 18 plays a critical resetting role in the using process of the device; a damping buffer piece 19 is fixedly connected to one surface of the inner rod 16; when the clamp mechanism 4 clamps the suture, the damping buffer piece 19 can change the clamping state of the clamp mechanism 4 on the suture from the original hard clamping to the flexible clamping, so that the suture is prevented from being clamped off by over-force of medical staff in the operation process, the practicability of the device is obviously improved, and the operation is more smooth; the other end of the damping buffer piece 19 is fixedly connected with a sliding seat 20; the peripheral side surface of the sliding seat 20 is in sliding fit with the pipe body 1; a connecting rod 21 is fixedly connected to one surface of the sliding seat 20; the other end of the connecting rod 21 is fixedly connected with a moving seat 22; the front fixed inner ring 5 has a limiting function on the sliding seat 20; one surface of the moving seat 22 is fixedly connected with two driving seats 23; a driving rod 24 is fixedly connected between the opposite surfaces of the two driving seats 23; the peripheral side surface of the driving rod 24 is in sliding fit with the rotating seat 14; the driving rod 24 moves to drive the two rotating seats 14 to rotate around the fixed rod 3 at the same time, so that the two rotating seats 14 can approach or separate from each other at the same time, and the suture line is clamped and moved in the operation process;
the gripping mechanism 9 comprises a fixed gripping assembly 25; the fixed grip assembly 25 includes a connecting seat 26; a support plate 27 is fixedly connected to one surface of the connecting seat 26; the inner wall of the support plate 27 is in threaded connection with the threaded button 11; the holding mechanism 9 can be disconnected from the fixed outer ring 10 by rotating the threaded knob 11; a fixed holding seat 28 is fixedly connected to the peripheral side surface of the connecting seat 26; a movable holding component 29 is hinged to one surface of the fixed holding seat 28; the movable holding assembly 29 comprises a movable holding seat 30; the surface of the movable holding seat 30 is hinged with the fixed holding seat 28; the surface of the movable holding seat 30 is connected with two symmetrically distributed top columns 31 in a sliding way; one surface of each of the two top posts 31 is fixedly connected with a pressing seat 32; outer springs 33 are sleeved on the peripheral side surfaces of the two top posts 31 and positioned between the movable holding seat 30 and the pressing seat 32; two L-shaped seats 34 are connected to one surface of each of the two pressing seats 32 in a sliding manner; one surface of each L-shaped seat 34 is fixedly connected with the movable holding seat 30.
As further shown in fig. 2, 4 and 7, the peripheral side surface of the threaded button 11 is provided with a plurality of anti-slip grooves; the anti-slip groove enables medical personnel to rotate the threaded button 11 more conveniently, so that the threaded button 11 is far away from the support plate 27; the inner wall of the fixed outer ring 10 is provided with a thread groove matched with the thread button 11; the support 7 is a hollow cylinder structure with two open ends; a round hole matched with the fixing rod 3 is formed in one surface of the rotating seat 14; a limiting ring 35 is fixedly connected to one surface of the rotating seat 14; the inner wall of the limiting ring 35 is hinged with the fixing rod 3; the limiting ring 35 can effectively prevent the rotating seat 14 from additionally shaking in the using process, so that the clamping stability of the clamping mechanism 4 is higher, the clamping mechanism 4 can more accurately complete clamping, and the smooth operation is very facilitated.
As further shown in fig. 5, 7 and 12, a guide groove 36 matched with the driving rod 24 is formed on one surface of the rotating seat 14; the guide groove 36 has an important role, when the clamping operation is required, the moving seat 22 moves relative to the inside of the pipe body, so as to drive the driving rod 24 to move inwards, and because the diameter of the driving rod 24 is the same as the width of the guide groove 36, the driving rod 24 is in sliding fit with the guide groove 36, so that the driving rod 24 can drive the upper clamp assembly 12 to rotate anticlockwise, the lower clamp assembly 13 rotates clockwise, so that the two clamping seats 15 are close to each other, a suture line is clamped, and after the driving rod 24 stops moving, the two clamping seats 15 can be limited, and cannot move, so that the stability of the clamp mechanism 4 is ensured; a cutting groove 7 is formed in one surface of the rotating seat 14; when the suture needs to be cut, obviously, the clamping seats 15 do not have the cutting function, at this time, the cutting groove 7 is moved to the position of the suture, and then the two clamping seats 15 are mutually close, so that the suture can be cut; a plurality of clamping teeth are arranged on one surface of the clamping seat 15; when the clamping seat 15 clamps the suture, the clamping teeth can increase the clamping stability; a first wiring groove 38 is formed in one surface of the clamping seat 15; two second wiring grooves 39 are formed in one surface of the clamping seat 15; the first hooking groove 3 and the second hooking groove 39 both play an auxiliary role, the use frequency is low, and when the suture needs to be used, the suture is moved into the first hooking groove 3 or the second hooking groove 39, so that the suture is moved; the damping buffer piece 19 comprises a sleeve, a small spring and a movable rod; one surface of the pressing seat 32 is provided with two through holes matched with the L-shaped seat 34.
As further shown in fig. 5 and 9, two circular seats are symmetrically connected to the peripheral side of the inner rod 16; the inner walls of the two circular seats are both connected with sliding columns 40 in a sliding manner; one surface of each of the two sliding columns 40 is fixedly connected with an inner spring; the other ends of the two inner springs are fixedly connected with an inner rod 16; the inner rod 16 is positioned at the central position of the pipe body 1; when the holding mechanism 9 needs to be disassembled, the threaded button 11 is firstly rotated to separate the threaded button 11 from the support plate 27, then the pressing seat 32 is pressed down, the pressing seat 32 drives the ejection column 31 to move inwards, so that the sliding column 40 is ejected out from the movable groove, then the holding mechanism 9 can be moved, the holding mechanism 9 is disassembled, the inner spring and the outer spring 33 play a role in resetting, and the inner spring can prevent the movable holding seat 30 from being separated from the sliding column 40 in the using process of the device.
As further shown in fig. 10 and 12, the fixed grip seat 28 is provided with a grip hole 41 on the surface; the surface of the movable holding seat 30 is provided with a limiting part 42; a square hole matched with the inner rod 16 is formed in one surface of the movable holding seat 30; two movable grooves matched with the sliding columns 40 are formed in the inner walls of the square holes.
After the device is inserted into a human body, the movable holding seat 30 is adjusted, the movable holding seat 30 rotates to drive the inner rod 16 to move, the inner rod 16 drives the damping buffer piece 19 to move, the damping buffer piece 19 drives the sliding seat 20 to move, the sliding seat 20 drives the moving seat 22 to move, the moving seat 22 drives the driving seat 23 to move, so that the driving seat 23 moves towards the inside of the tube body 1, the driving seat 23 drives the driving rod 24 to move, under the action of mutual matching of the driving rod 24 and the guide groove 36, the two rotating seats 14 approach to each other, so that the two clamping seats 15 are driven to clamp a suture line; when the suture needs to be cut, the cutting groove 37 is aligned with the position of the suture, and then the two rotating seats 14 are close to each other, so that the suture can be cut; after the operation, when needing to wash the device, rotate screw thread button 11 earlier, separate screw thread button 11 and extension board 27, press the seat 32 of pressing afterwards, press the seat 32 and drive the fore-set 31 and remove, the fore-set 31 drives the inside removal of pole 16 in slip post 40, can dismantle mechanism 9 grips, thereby make medical personnel can wash the device more conveniently, after the washing is accomplished, install mechanism 9 grips again on body 1, make slip post 40 and movable groove cooperation, rotate screw thread button 11 again, fix connecting seat 26 on body 1, or also can dismantle the back with mechanism 9 grips, according to the in-service use condition, replace new mechanism or the clamp mechanism grips.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A suture assisting device for laparoscopic surgery, comprising a tube body (1), characterized in that:
one surface of the pipe body (1) is fixedly connected with two fixed seats (2); a fixed rod (3) is fixedly connected to one surface of the fixed seat (2); the other end of the fixed rod (3) is fixedly connected with the other fixed seat (2); the side surface of the fixed rod (3) is hinged with a clamp mechanism (4);
the clamping mechanism (4) comprises an upper clamping assembly (12) and a lower clamping assembly (13); the upper clamp assembly (12) and the lower clamp assembly (13) both comprise a rotating seat (14);
the inner wall of the pipe body (1) is fixedly connected with a front fixed inner ring (5) and a rear fixed inner ring (6); the inner wall of the pipe body (1) is fixedly connected with a support (7); the inner wall of the support (7) is connected with a driving mechanism (8) in a sliding way;
the driving mechanism (8) comprises an inner rod (16), and a damping buffer piece (19) is fixedly connected to one surface of the inner rod (16); the other end of the damping buffer piece (19) is fixedly connected with a sliding seat (20); the peripheral side surface of the sliding seat (20) is in sliding fit with the pipe body (1); a connecting rod (21) is fixedly connected to one surface of the sliding seat (20); the other end of the connecting rod (21) is fixedly connected with a movable seat (22); one surface of the movable seat (22) is fixedly connected with two driving seats (23); a driving rod (24) is fixedly connected between the opposite surfaces of the two driving seats (23);
a guide groove (36) which is in sliding fit with the driving rod (24) is formed on one surface of the rotating seat (14);
the peripheral side surface of the pipe body (1) is connected with a holding mechanism (9) in a sliding way; the surface of the holding mechanism (9) is in sliding fit with the driving mechanism (8); the peripheral side surface of the pipe body (1) is fixedly connected with a fixed outer ring (10); one surface of the fixed outer ring (10) is in threaded connection with a threaded button (11); the peripheral side surface of the threaded button (11) is in threaded connection with the holding mechanism (9); the gripping mechanism (9) comprises a fixed gripping assembly (25); the fixed holding component (25) comprises a connecting seat (26); a support plate (27) is fixedly connected to one surface of the connecting seat (26); the inner wall of the support plate (27) is in threaded connection with the threaded button (11); the peripheral side surface of the connecting seat (26) is fixedly connected with a fixed holding seat (28); one surface of the fixed holding seat (28) is hinged with a movable holding component (29); the movable holding assembly (29) comprises a movable holding seat (30); the surface of the movable holding seat (30) is hinged with the fixed holding seat (28); the surface of the movable holding seat (30) is connected with two symmetrically distributed top columns (31) in a sliding way; one surface of each of the two top columns (31) is fixedly connected with a pressing seat (32); outer springs (33) are sleeved on the peripheral side surfaces of the two top columns (31) and positioned between the movable holding seat (30) and the pressing seat (32); one surface of each of the two pressing seats (32) is connected with two L-shaped seats (34) in a sliding way; one surface of each L-shaped seat (34) is fixedly connected with the movable holding seat (30).
2. A suture assisting device for laparoscopic surgery according to claim 1, characterized in that the peripheral side of said driving mechanism (8) is slidably fitted with the front fixed inner ring (5) and the rear fixed inner ring (6), respectively; one surface of the driving mechanism (8) is in sliding fit with the clamping mechanism (4).
3. The suturing assistance device for laparoscopic surgery according to claim 2, characterized in that the inner rod (16) is slidingly engaged on the peripheral side with the support (7) and the rear fixed inner ring (6), respectively; the peripheral side surface of the inner rod (16) is fixedly connected with a pressure applying ring (17); the circumferential side surface of the pressure applying ring (17) is in sliding fit with the pipe body (1); the inner rod (16) is sleeved with a return spring (18) at the position between the pressure applying ring (17) and the rear fixed inner ring (6) on the circumferential side surface.
4. A suture assisting device for laparoscopic surgery according to any one of claims 1 to 3, characterized in that both said rotatable seats (14) are hinged at one surface to the fixed rod (3); one surface of each of the two rotating seats (14) is fixedly connected with a clamping seat (15).
5. The suturing assistance device for laparoscopic surgery according to claim 4, characterized in that said support (7) is a hollow cylindrical structure open at both ends; a round hole matched with the fixed rod (3) is formed in one surface of the rotating seat (14); a limiting ring (35) is fixedly connected to one surface of the rotating seat (14); the inner wall of the limiting ring (35) is hinged with the fixing rod (3); a cutting groove (37) is formed in one surface of the rotating seat (14); a plurality of clamping teeth are arranged on one surface of the clamping seat (15); a first wiring groove (38) is formed in one surface of the clamping seat (15); two second wiring grooves (39) are formed in one surface of the clamping seat (15).
6. A laparoscopic surgery suture assisting apparatus according to claim 3, wherein said damping bumper (19) comprises a sleeve, a small spring and a movable rod; one surface of the pressing seat (32) is provided with two through holes matched with the L-shaped seat (34).
7. The suturing assistance device for laparoscopic surgery as claimed in claim 3, wherein said inner rod (16) has two symmetrically distributed circular seats fixedly attached to its peripheral side; the inner walls of the two circular seats are both connected with sliding columns (40) in a sliding manner; one surface of each of the two sliding columns (40) is fixedly connected with an inner spring; the other ends of the two inner springs are fixedly connected with an inner rod (16); the inner rod (16) is positioned at the center of the pipe body (1).
8. The suturing assistance device for the laparoscopic surgery as claimed in claim 7, wherein a square hole matching with the inner rod (16) is formed on one surface of the movable grip holder (30); the inner wall of the square hole is provided with two movable grooves matched with the sliding column (40).
9. The suturing assistance device for laparoscopic surgery according to claim 2, wherein the screw button (11) has a plurality of anti-slip grooves formed on the peripheral side; the inner wall of the fixed outer ring (10) is provided with a thread groove matched with the thread button (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011100586.0A CN112274201B (en) | 2020-10-15 | 2020-10-15 | Suture auxiliary instrument for laparoscopic surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011100586.0A CN112274201B (en) | 2020-10-15 | 2020-10-15 | Suture auxiliary instrument for laparoscopic surgery |
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| CN112274201A CN112274201A (en) | 2021-01-29 |
| CN112274201B true CN112274201B (en) | 2021-07-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377150A (en) * | 2013-04-16 | 2016-03-02 | 泰利福医疗公司 | Needlescopic instrument with reusable handle and detachable needle assembly |
| CN208799287U (en) * | 2018-05-25 | 2019-04-30 | 温州市中心医院 | A kind of multifunctional peritoneoscope operation resectoscope |
| CN209529680U (en) * | 2018-12-19 | 2019-10-25 | 刘超 | A kind of new medical group pine needle |
| CN110638497A (en) * | 2019-09-29 | 2020-01-03 | 中南大学湘雅医院 | Tissue stitching instrument |
| CN111067595A (en) * | 2019-09-19 | 2020-04-28 | 梁永康 | Combined type laparoscope gripper |
| CN111297423A (en) * | 2020-04-02 | 2020-06-19 | 高同斌 | Laparoscopic minimally invasive surgery stitch removing instrument |
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| JP4855405B2 (en) * | 2004-09-20 | 2012-01-18 | スターテック インコーポレイテッド | Apparatus and method for minimally invasive suturing |
| CN102525581B (en) * | 2011-10-25 | 2013-09-11 | 王小军 | Disposable purse-string forceps for laparoscope |
| CN110693540A (en) * | 2018-07-09 | 2020-01-17 | 秀传医疗社团法人秀传纪念医院 | Combined minimally invasive surgical instrument |
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| CN105377150A (en) * | 2013-04-16 | 2016-03-02 | 泰利福医疗公司 | Needlescopic instrument with reusable handle and detachable needle assembly |
| CN208799287U (en) * | 2018-05-25 | 2019-04-30 | 温州市中心医院 | A kind of multifunctional peritoneoscope operation resectoscope |
| CN209529680U (en) * | 2018-12-19 | 2019-10-25 | 刘超 | A kind of new medical group pine needle |
| CN111067595A (en) * | 2019-09-19 | 2020-04-28 | 梁永康 | Combined type laparoscope gripper |
| CN110638497A (en) * | 2019-09-29 | 2020-01-03 | 中南大学湘雅医院 | Tissue stitching instrument |
| CN111297423A (en) * | 2020-04-02 | 2020-06-19 | 高同斌 | Laparoscopic minimally invasive surgery stitch removing instrument |
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