Clinical operation drag hook device for hepatobiliary pancreatic surgery department
By setting threads and limit nuts on the hepatobiliary and pancreatic surgical hooking device, and opening multiple fixing holes on the support plate, the flexible adjustment of the hook position is achieved, solving the problem that the existing devices cannot effectively adjust the hook depth, and improving the surgical field of view and operation convenience.
Patent Information
- Application Number
- CN202421115631.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing hepatobiliary and pancreatic surgical hooking device cannot effectively adjust the depth of the hooking hook into the patient's body incision, resulting in the inability to effectively open the deep muscle tissue, affecting the surgical field and convenient operation.
A surgical hook pulling device is designed. By setting threads on the hook and adjusting them with two upper and lower limit nuts, the hook pulling height is adjusted in the slide groove. At the same time, multiple fixing holes of different heights are opened on the support plate, and the pulling length adjustment of the hook pulling length is realized with the fixing rod and pin structure.
It realizes flexible adjustment of the position of the hook hook, and can switch between the depth of the epidermis and muscle tissue, improves the field of surgery and operation convenience, and solves the problem that existing devices cannot effectively adjust the depth of the hook.
Smart Images

Figure CN222676304U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical instruments, and more specifically, to a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery. Background Art
[0002] At present, the center's general surgery hepatobiliary specialty group has been carrying out hepatobiliary and pancreatic surgery for a long time, including laparoscopic cholecystectomy, common bile duct exploration and stone removal, liver tumor resection, distal pancreatic resection and other minimally invasive surgeries. During the operation, it is necessary to improve the surgical field of view. The existing device uses a retractor to retract the soft tissue around the surgical site to improve the surgical field of view.
[0003] After searching, it was found that the existing patent number CN215227990U discloses a surgical retractor device for clinical hepatobiliary and pancreatic surgery, including a fixing block, a slot is provided on one side of the fixing block, a connecting block is arranged inside the slot, a first screw rod is threadedly connected to the top of the fixing block, and one end of the first screw rod penetrates into the slot and is rotatably connected to the connecting block through a bearing; the utility model can drive the connecting block to move up and down through the action of the first screw rod, and can drive the threaded rod to move up and down under the action of the sleeve, thereby improving the applicability of the device and making it suitable for patients of different body shapes; through the action of the sleeve and the limiting rod inside the sleeve, when the sleeve is rotated, the limiting rod can move in a direction away from the sleeve under the action of the linkage rod, thereby increasing the angle between the two retractors, thereby increasing the area of action of the retractors on the patient, thereby improving the practicality. Although it has a certain effect, the depth of the retractor hook into the patient's body incision cannot be well adjusted, resulting in the epidermis being pulled apart and the deep muscle tissue being unable to be pulled apart, which will still cause certain obstructions to the operation. In addition, current operating tables are all flat structures, and the L-shaped limit holder is inserted downward, which is inconvenient to install, thereby reducing its practical performance and other problems.
[0004] In view of this, research and improvement are conducted on the existing problems, and a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery is provided, which aims to perform deep traction operations by adjusting the retractor up and down using a limit nut, and is also convenient for fixed installation, thereby achieving the purpose of solving the problem and improving practical value. Utility Model Content
[0005] The utility model aims to provide a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery to solve the problems and shortcomings of the above-mentioned background technology.
[0006] To achieve the above object, the utility model provides a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery, which is achieved by the following specific technical means:
[0007] A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery, comprising: a card seat, a handle bolt, a splint, a support plate, a fixing hole, a fixing rod, a limiting hole, a pin, a cross beam, a sliding groove, a retractor, and a limiting nut; the lower part of the card seat is installed through a threaded connection with the handle bolt, and the top of the handle bolt is welded with a splint; the support plate is welded at the middle position of the upper part of the card seat, and a fixing hole is integrally formed in the middle of the support plate; the fixing rod is installed through the fixing hole by a clearance fit sliding method, and a limiting hole is integrally formed in the upper part of the fixing rod; the pin is inserted into the upper part of the support plate by a clearance fit sliding method, and the bottom end of the pin abuts against the limiting hole; the cross beam is welded at the front end of the fixing rod, and a sliding groove is integrally formed inside the cross beam; the retractor is installed through the sliding groove by a clearance fit sliding method, and limiting nuts are screwed on the upper and lower parts of the retractor.
[0008] As a further optimization of this technical solution, in the surgical retractor device for clinical use in hepatobiliary and pancreatic surgery of the present utility model, the side view of the card seat is in a "C" shape, the top view is in a rectangular shape, and a disc-shaped splint is fixedly arranged in the middle of the card seat through the handle bolt at the lower part.
[0009] As a further optimization of this technical solution, in the surgical retractor device for clinical use in hepatobiliary and pancreatic surgery of the present utility model, the support plate is in a rectangular plate-shaped structure, and a plurality of rectangular fixing holes are uniformly arranged at intervals vertically inside the support plate.
[0010] As a further optimization of this technical solution, in the surgical retractor device for clinical use in hepatobiliary and pancreatic surgery of the present utility model, the side view of the fixing rod is in a rectangular shape, the top view is in a long strip shape, and a plurality of rectangular concave limiting holes are uniformly arranged at intervals horizontally in the upper part of the fixing rod.
[0011] As a further optimization of this technical solution, in the surgical retractor device for clinical use in hepatobiliary and pancreatic surgery of the present utility model, the cross beam is in a long strip shape with a long oval-shaped sliding groove formed in the middle, and the cross beam and the fixing rod are welded into a "T" shape.
[0012] As a further optimization of this technical solution, in the surgical retractor device for clinical use in hepatobiliary and pancreatic surgery of the present utility model, the upper part of the retractor is a screw rod, the lower part is a hook, and two retractors are arranged in parallel in the sliding groove.
[0013] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art:
[0014] 1. The utility model is a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery. By arranging threads on the retractor and tightening and fixing the retractor with upper and lower limit nuts, the retractor can be adjusted in height up and down in a slide groove, and the position of the hook can be switched between the depth of the epidermis and muscle tissue, thereby improving the flexibility of use and making it more practical.
[0015] 2. The utility model is a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery. The device can be easily installed by inserting the retractor from one side to both sides of the operating table through the clamping seat, thereby further improving its practical value.
[0016] 3. The utility model is a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery. A plurality of fixing holes of different heights are opened on a support plate, and the fixing rods are installed in different fixing holes to adjust the height. At the same time, the pulling length of the retractor can be adjusted by plugging a pin into a plurality of limiting holes on the fixing rod, thereby making the device more flexible and convenient to use and having more practical performance.
[0017] 4. The utility model improves the structure of the above-mentioned device, has the advantages of adjustable pulling depth of the hook, and is more flexible in installation and operation, making it more practical and valuable, thereby effectively solving the problems and shortcomings of the existing technology and equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the axial structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the position structure of the splint of the utility model;
[0022] Figure 4 This is a schematic diagram of the position structure of the limit nut of the utility model;
[0023] Figure 5 It is a schematic diagram of a partially enlarged structure of the latch of the utility model.
[0024] In the figure: a holder 1, a handle bolt 2, a clamping plate 3, a support plate 4, a fixing hole 5, a fixing rod 6, a limiting hole 7, a latch 8, a crossbeam 9, a slide groove 10, a draw hook 11, and a limiting nut 12. DETAILED DESCRIPTION
[0025] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0026] Please refer to Figures 1 to 5 , the present utility model provides a specific technical implementation scheme of a surgical retractor device for clinical use in hepatobiliary and pancreatic surgery:
[0027] A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery includes: a clamping seat 1, a handle bolt 2, a splint 3, a support plate 4, a fixing hole 5, a fixing rod 6, a limiting hole 7, a pin 8, a cross beam 9, a sliding groove 10, a retractor 11, and a limiting nut 12; the lower part of the clamping seat 1 is installed through a threaded connection method with the handle bolt 2 passing through it, and the top of the handle bolt 2 is welded with the splint 3; the support plate 4 is welded at the middle position of the upper part of the clamping seat 1, and a fixing hole 5 is integrally formed in the middle of the support plate 4; the fixing rod 6 is installed inside the fixing hole 5 through a clearance fit sliding method, and a limiting hole 7 is integrally formed in the upper part of the fixing rod 6; the pin 8 is inserted into the upper part of the support plate 4 through a clearance fit sliding method, and the bottom end of the pin 8 abuts against the limiting hole 7; the cross beam 9 is welded at the front end of the fixing rod 6, and a sliding groove 10 is integrally formed inside the cross beam 9; the retractor 11 is installed inside the sliding groove 10 through a clearance fit sliding method, and limiting nuts 12 are screwed on the upper and lower parts of the retractor 11.
[0028] Specifically, the side view of the clamping seat 1 is in the shape of a "匚", and the top view is in the shape of a rectangle. A disc-shaped splint 3 is fixedly arranged in the middle of the clamping seat 1 through the handle bolt 2 at the lower part, and the clamping seat 1 can be clamped and installed at the edge position of the operating table from the outside of the operating table, and the splint 3 is tightened and fixed by screwing the handle bolt 2, so as to facilitate the installation of the device.
[0029] Specifically, the support plate 4 is in the shape of a rectangular plate, and a plurality of rectangular fixing holes 5 are uniformly arranged at intervals vertically inside the support plate 4. The plurality of fixing holes 5 on the support plate 4 can facilitate the adjustment of the installation height of the fixing rod 6, and then realize the adjustment of the use height of the retractor.
[0030] Specifically, the side view of the fixing rod 6 is in the shape of a rectangle, and the top view is in the shape of a long strip. A plurality of rectangular concave limiting holes 7 are uniformly arranged at intervals horizontally in the upper part of the fixing rod 6. The plurality of limiting holes 7 on the fixing rod 6 can be inserted with the tapered bottom end of the pin 8 to adjust the pulling length of the retractor.
[0031] Specifically, the cross beam 9 is in the shape of a long strip with an oblong sliding groove 10 in the middle, and the cross beam 9 and the fixing rod 6 are welded into a "T" shape. The sliding groove 10 in the cross beam 9 can facilitate the width adjustment of the hook 11.
[0032] Specifically, the upper part of the hook 11 is a screw rod, the lower part is a hook, and the hook 11 is arranged in parallel at two locations inside the slide 10. The upper and lower limit nuts 12 of the hook 11 can be loosened to adjust the upper and lower height positions of the hook, so that the hook can be pulled deep into the patient's incision for use.
[0033] Specific implementation steps:
[0034] When using the device, first insert the clamping seat 1 into the edge of the operating table from the outside, then tighten the handle bolt 2 to clamp the splint 3 to keep it firmly fixed, and then insert the fixing rod 6 into the fixing hole 5 at a suitable position according to the patient's incision height, and then pull the hook 11 to the symmetrical incision pulling position and lock the limit nut 12 to pull the fixing rod 6 backwards to achieve the purpose of opening the incision, and then insert the pin 8 into the corresponding limit hole 7.
[0035] In summary: the surgical retractor device used in clinical hepatobiliary and pancreatic surgery can adjust the height of the retractor up and down in the slide groove by setting a thread on the retractor and tightening and fixing it with upper and lower limit nuts, and the hook position can be switched between the depth of the epidermis and muscle tissue, thereby improving the flexibility of use and making it more practical; the installation of the device can be facilitated by inserting the holder from one side to both sides of the operating table, further improving its practical value; the height can be adjusted by providing multiple fixing holes of different heights on the support plate and installing the fixing rods in different fixing holes, and the pulling length of the retractor can be adjusted by plugging the pin between the multiple limit holes on the fixing rod, thereby making it more flexible and convenient to use, making it more practical, and solving the problems existing in the prior art.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery, comprising: Clamping seat (1), handle bolt (2), clamping plate (3), support plate (4), fixing hole (5), fixing rod (6), limiting hole (7), bolt pin (8), cross beam (9), sliding groove (10), hook (11), limiting nut (12); It is characterized in that: The lower part of the clamping seat (1) is installed through threaded screwing with the handle bolt (2), and the top of the handle bolt (2) is welded with the clamping plate (3); The support plate (4) is welded at the middle position of the upper part of the clamping seat (1), and a fixing hole (5) is integrally formed in the middle of the support plate (4); The fixing rod (6) is installed through the fixing hole (5) by means of clearance fit sliding, and a limiting hole (7) is integrally formed in the upper part of the fixing rod (6); The bolt pin (8) is inserted into the upper part of the support plate (4) by means of clearance fit sliding, and the bottom end of the bolt pin (8) abuts against the limiting hole (7); The cross beam (9) is welded at the front end of the fixing rod (6), and a sliding groove (10) is integrally formed in the cross beam (9); The hook (11) is installed through the sliding groove (10) by means of clearance fit sliding, and limiting nuts (12) are screwed on the upper and lower parts of the hook (11).
2. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery according to claim 1, characterized in that: The clamping seat (1) is "C"-shaped in side view and rectangular in top view, and a disc-shaped clamping plate (3) is fixedly arranged in the middle of the clamping seat (1) through the handle bolt (2) at the lower part.
3. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery according to claim 1, characterized in that: The support plate (4) is a rectangular plate-like structure, and a plurality of rectangular fixing holes (5) are uniformly arranged at intervals vertically inside the support plate (4).
4. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery according to claim 1, characterized in that: The fixing rod (6) is rectangular in side view and strip-shaped in top view, and a plurality of rectangular concave limiting holes (7) are uniformly arranged at intervals horizontally in the upper part of the fixing rod (6).
5. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery according to claim 1, characterized in that: The cross beam (9) is strip-shaped with a long oval-shaped sliding groove (10) formed in the middle, and the cross beam (9) and the fixing rod (6) are welded into a "T" shape.
6. A surgical retractor device for clinical use in hepatobiliary and pancreatic surgery according to claim 1, characterized in that: The upper part of the hook (11) is a lead screw and the lower part is a hook, and two hooks (11) are arranged in parallel in the sliding groove (10).