Cerebrovascular bypass blood vessel micro-movement fixator

Abstract

The utility model discloses a cerebrovascular bypass blood vessel micro-movement fixator which comprises a fixing frame, the fixing frame is kept fixed in the operation process, a moving rod is connected to the fixing frame in a sliding mode, blood vessel fixing clamps are symmetrically connected to the lower end of the moving rod, receptor blood vessels are clamped and fixed through the blood vessel fixing clamps, and a connecting frame is fixedly connected to the moving rod. The connecting frame is rotationally connected with a driving fluted disc, the driving fluted disc is connected with a rotating handle, the inner side of the connecting frame is rotationally connected with a driven gear used in cooperation with the driving fluted disc, meshing teeth are arranged on the side wall of the fixing frame, the driven gear is meshed with the meshing teeth, and the driving fluted disc is driven to rotate by rotating the rotating handle. The driving fluted disc rotates to drive the driven gear to rotate, the driven gear rotates to be meshed with meshing teeth of the rack on the fixing frame, so that the moving rod moves, the moving rod drives the blood vessel fixing clamp and the two ends of the receptor blood vessel to move by a small distance, a blood vessel cavity is opened, the blood vessel walls on the two sides are separated, and needle inserting and suturing are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and specifically relates to a cerebral vascular bypass blood vessel micro-movement fixer. Background Art

[0002] Cerebral vascular bypass is one of the standard treatments for ischemic cerebrovascular disease. This operation requires high microsurgery. Because the blood vessels on the surface of the brain have no muscle layer, they have poor support and are prone to collapse. After a long period of ischemia, the blood vessel walls become thinner and more transparent, and the blood vessel walls on both sides are close together and difficult to identify and separate, which further increases the difficulty of suturing. This also increases the difficulty of the operation, significantly prolongs the suturing time, and increases the risk of the operation. For this reason, a cerebral vascular bypass blood vessel micro-shift fixator is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a cerebral vascular bypass blood vessel micro-movement fixer to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cerebrovascular bypass blood vessel micro-displacement fixer, comprising a fixing frame, the fixing frame remains fixed during operation, the fixing frame is slidably connected with a moving rod, the lower end of the moving rod is symmetrically connected with a blood vessel fixing clamp, the blood vessel fixing clamp is used to clamp and fix the recipient blood vessel, the moving rod is fixedly connected with a connecting frame, the connecting frame is rotatably connected with a driving gear disk, the driving gear disk is connected with a rotating handle, the inner side of the connecting frame is rotatably connected with a driven gear used in conjunction with the driving gear disk, the side wall of the fixing frame is provided with meshing teeth, the driven gear is meshed with the meshing teeth, the driving gear disk is driven to rotate by rotating the rotating handle, the driving gear disk drives the driven gear to rotate, the driven gear rotates and meshes with the meshing teeth of the rack located on the fixing frame, so that the moving rod is moved, and the moving rod drives the blood vessel fixing clamp and the two ends of the recipient blood vessel to move a small distance, so that the blood vessel cavity is opened, the blood vessel walls on both sides are separated, and it is easy to insert the needle and suture.

[0005] Preferably, the connecting frame is a square frame, a connecting plate is fixedly connected to the inner middle position of the connecting frame, the driving gear is rotatably connected to the connecting plate, and the driven gear is rotatably connected to the bottom cross bar of the connecting frame. The connecting frame is the main connecting component in the micro-shift fixer, and plays a connecting and supporting role for other components.

[0006] Preferably, the inner side of the connecting frame is connected with a limiting assembly, and the limiting assembly includes a limiting column, the upper end of the limiting column is fixedly connected to the upper cross bar of the connecting frame, the lower end of the limiting column is fixedly connected to a supporting column, the upper end of the driven gear is rotatably connected to the supporting column, and the limiting assembly limits the driven gear so that the driven gear can maintain stable rotation.

[0007] Preferably, the rotating handle includes a connecting rod, one end of which is fixedly connected to the center of the driving gear plate, and the other end of the connecting rod is rotatably connected to a handle. The connecting rod can be driven to rotate by holding the handle and shaking the connecting rod, which is easy to operate.

[0008] Preferably, a strip-shaped groove is provided on the fixed frame, a slider adapted to the strip-shaped groove is fixedly connected to the movable rod, and the slider is slidably connected in the strip-shaped groove. The arrangement of the strip-shaped groove and the slider makes the movable rod move more smoothly and stably.

[0009] Preferably, wristbands are fixedly connected to both sides of the blood vessel fixing clamp, and the provision of the wristbands facilitates the operation of opening the blood vessel fixing clamp.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] A fixing frame is provided, which remains fixed during operation; a moving rod is slidably connected to the fixing frame, and a blood vessel fixing clamp is symmetrically connected to the lower end of the moving rod, and the blood vessel fixing clamp is used to clamp and fix the recipient blood vessel; a connecting frame is fixedly connected to the moving rod, and a driving gear disc is rotatably connected to the connecting frame, and a rotating handle is connected to the driving gear disc; a driven gear used in conjunction with the driving gear disc is rotatably connected to the inner side of the connecting frame; meshing teeth are provided on the side wall of the fixing frame, and the driven gear is meshed with the meshing teeth; the driving gear disc is driven to rotate by rotating the rotating handle, and the rotation of the driving gear disc drives the driven gear to rotate, and the rotation of the driven gear is meshed with the meshing teeth of the rack located on the fixing frame, so that the moving rod is moved, and the moving rod drives the blood vessel fixing clamp and the two ends of the recipient blood vessel to move a small distance, so that the blood vessel cavity is opened, and the blood vessel walls on both sides are separated, which is easy to insert the needle and suture. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 This is a cross-sectional view of the fixed frame and the moving rod of the utility model;

[0014] Figure 3 This is the front view of the vascular fixing clamp of the utility model.

[0015] In the figure: 1-fixed frame, 2-movable rod, 3-blood vessel fixing clamp, 4-connecting frame, 5-driving gear plate, 6-driven gear, 7-connecting plate, 8-limiting assembly, 801-limiting column, 802-rest column, 9-rotating handle, 901-connecting rod, 902-grip, 10-strip groove, 11-slider, 12-bracelet. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example:

[0018] See also Figure 1-3 The utility model provides the following technical solutions: a cerebrovascular bypass vessel micro-movement fixer, comprising a fixing frame 1, the fixing frame 1 is kept fixed during operation, a moving rod 2 is slidably connected to the fixing frame 1, a vascular fixing clamp 3 is symmetrically connected to the lower end of the moving rod 2, and the vascular fixing clamp 3 is used to clamp and fix the recipient blood vessel, a connecting frame 4 is fixedly connected to the moving rod 2, a driving toothed disc 5 is rotatably connected to the connecting frame 4, a rotating handle 9 is connected to the driving toothed disc 5, and the inner side of the connecting frame 4 is rotatably connected to the driving toothed disc 5. The driven gear 6 used in conjunction with the toothed disc has meshing teeth arranged on the side wall of the fixing frame 1, and the driven gear 6 meshes with the meshing teeth. By rotating the rotating handle 9, the driving toothed disc 5 is driven to rotate, and the rotation of the driving toothed disc 5 drives the driven gear 6 to rotate, and the driven gear 6 rotates and meshes with the meshing teeth of the rack located on the fixing frame 1, so that the moving rod 2 moves, and the moving rod 2 drives the blood vessel fixing clamp 3 and the two ends of the recipient blood vessel to move a small distance, so that the blood vessel cavity is opened, and the blood vessel walls on both sides are separated, which is easy to insert the needle and suture.

[0019] Specifically, the connecting frame 4 is a square frame, and a connecting plate 7 is fixedly connected to the inner middle position of the connecting frame 4. The driving gear plate 5 is rotatably connected to the connecting plate 7, and the driven gear 6 is rotatably connected to the bottom cross bar of the connecting frame 4. The connecting frame 4 is the main connecting component in the micro-shift fixture, and plays a connecting and supporting role for other components.

[0020] Specifically, the inner side of the connecting frame 4 is connected with a limiting assembly 8, and the limiting assembly 8 includes a limiting column 801. The upper end of the limiting column 801 is fixedly connected to the upper horizontal bar of the connecting frame 4, and the lower end of the limiting column 801 is fixedly connected to a supporting column 802. The upper end of the driven gear 6 is rotatably connected to the supporting column 802. The limiting assembly 8 limits the driven gear 6 so that the driven gear 6 can maintain stable rotation.

[0021] Specifically, the rotating handle 9 includes a connecting rod 901, one end of which is fixedly connected to the center of the driving gear plate 5, and the other end of the connecting rod 901 is rotatably connected to a handle 902. By holding the handle 902 and shaking the connecting rod 901, the connecting rod 901 can be driven to rotate, which is easy to operate.

[0022] Specifically, a strip-shaped groove 10 is provided on the fixed frame 1, and a slider 11 adapted to the strip-shaped groove 10 is fixedly connected to the movable rod 2. The slider 11 is slidably connected in the strip-shaped groove 10. The arrangement of the strip-shaped groove 10 and the slider 11 enables the movable rod 2 to move more smoothly and stably.

[0023] Specifically, wristbands 12 are fixedly connected to both sides of the blood vessel fixing clamp 3 , and the arrangement of the wristbands 12 facilitates the operation of opening the blood vessel fixing clamp 3 .

[0024] Working principle: a fixing frame 1 is provided, which is kept fixed during operation. A moving rod 2 is slidably connected to the fixing frame 1, and a blood vessel fixing clamp 3 is symmetrically connected to the lower end of the moving rod 2. The blood vessel fixing clamp 3 is used to clamp and fix the recipient blood vessel. A connecting frame 4 is fixedly connected to the moving rod 2, and a driving toothed disc 5 is rotatably connected to the connecting frame 4. A rotating handle 9 is connected to the driving toothed disc 5. A driven gear 6 used in conjunction with the driving toothed disc is rotatably connected to the inner side of the connecting frame 4. Meshing teeth are provided on the side wall of the fixing frame 1, and the driven gear 6 is meshed with the meshing teeth. By rotating the rotating handle 9, the driving toothed disc 5 is driven to rotate, and the rotation of the driving toothed disc 5 drives the driven gear 6 to rotate. The driven gear 6 rotates and meshes with the meshing teeth of the rack located on the fixing frame 1, so that the moving rod 2 is moved, and the moving rod 2 drives the blood vessel fixing clamp 3 and the two ends of the recipient blood vessel to move a small distance, so that the blood vessel cavity is opened, and the blood vessel walls on both sides are separated, which is easy to insert the needle and suture.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cerebrovascular bypass vessel micro-movement fixator, characterized in that: The invention comprises a fixed frame (1), a moving rod (2) is slidably connected to the fixed frame (1), a blood vessel fixing clamp (3) is symmetrically connected to the lower end of the moving rod (2), a connecting frame (4) is fixedly connected to the moving rod (2), a driving toothed disc (5) is rotatably connected to the connecting frame (4), a rotating handle (9) is connected to the driving toothed disc (5), a driven gear (6) used in conjunction with the driving toothed disc is rotatably connected to the inner side of the connecting frame (4), and meshing teeth are arranged on the side wall of the fixed frame (1), and the driven gear (6) meshes with the meshing teeth.

2. The micro-movement fixation device for cerebrovascular bypass according to claim 1, characterized in that: The connecting frame (4) is a square frame body, a connecting plate (7) is fixedly connected to the middle position of the inner side of the connecting frame (4), the driving gear plate (5) is rotatably connected to the connecting plate (7), and the driven gear (6) is rotatably connected to the bottom horizontal bar of the connecting frame (4).

3. The micro-movement fixation device for cerebrovascular bypass according to claim 2, characterized in that: The inner side of the connection frame (4) is connected to a limiting assembly (8), the limiting assembly (8) comprising a limiting column (801), the upper end of the limiting column (801) being fixedly connected to an upper horizontal bar of the connection frame (4), the lower end of the limiting column (801) being fixedly connected to a supporting column (802), and the upper end of the driven gear (6) being rotationally connected to the supporting column (802).

4. A cerebrovascular bypass vessel micro-displacement fixator according to any one of claims 1 to 3, characterized in that: The rotating handle (9) comprises a connecting rod (901), one end of which is fixedly connected to the center of the driving gear disc (5), and the other end of which is rotatably connected to a grip (902).

5. A cerebrovascular bypass vessel micro-displacement fixator according to any one of claims 1 to 3, characterized in that: The fixed frame (1) is provided with a strip-shaped dark groove (10), and the movable rod (2) is fixedly connected with a sliding block (11) adapted to the strip-shaped dark groove (10), and the sliding block (11) is slidably connected in the strip-shaped dark groove (10).

6. A cerebrovascular bypass vessel micro-displacement fixator according to any one of claims 1 to 3, characterized in that: Bracelets (12) are fixedly connected to both sides of the blood vessel fixing clamp (3).

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