Flexible shaft retractor convenient to adjust

Abstract

The utility model relates to the technical field of medical equipment, and discloses a flexible shaft retractor convenient to adjust, which comprises an upper fixing plate, a connecting column is fixedly mounted at the edge of the surface of the upper fixing plate, a first flexible shaft is fixedly mounted on the surface of the connecting column, an elastic component is fixedly mounted at one end of the first flexible shaft, and a second flexible shaft is fixedly mounted at the other end of the elastic component. A second flexible shaft is slidably connected into the first flexible shaft, a width adjusting assembly is fixedly mounted on one side of the bottom of the upper fixing plate, and a lower fixing plate is fixedly mounted at the bottom of the width adjusting assembly. According to the flexible shaft retractor convenient to adjust, through the arrangement of the first flexible shaft, the second flexible shaft and the elastic assembly, when the overall length of the flexible shaft needs to be changed, a fastening cap is unscrewed, the second flexible shaft is dragged outwards and dragged to a proper position, then the fastening cap is tightened, and the device is used, so that the length of the flexible shaft is changed from a fixed length to a movable length; the use at different nerve positions is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a flexible shaft retractor which is easy to adjust. Background Art

[0002] Neurosurgery is a branch of surgery. It is a high-level, sophisticated and cutting-edge discipline that uses unique neurosurgery research methods to study the human nervous system, such as the brain, spinal cord and peripheral nervous system, and its related ancillary organs, such as the skull, scalp, cerebral blood vessels and meninges, damage, inflammation, tumors, deformities and certain genetic metabolic disorders or functional disorders, such as the causes and pathogenesis of epilepsy, Parkinson's disease, neuralgia and other diseases, and explore new diagnosis, treatment and prevention technologies. Neurosurgery is mainly used to treat diseases of the brain, spinal cord and other nervous systems caused by trauma, such as cerebral hemorrhage with life-threatening bleeding, brain trauma caused by car accidents, or brain tumor compression requiring surgical treatment. In neurosurgery treatment, it is usually necessary to use a soft shaft retractor to separate the patient's nerves for better surgery.

[0003] However, the existing flexible shaft retractor that is easy to adjust has the following disadvantages:

[0004] (1) The length of the flexible shaft is relatively fixed, which may cause certain difficulties in using it in different nerve locations;

[0005] (2) The width of the fixed end is relatively fixed. Different fixing heads may need to be replaced for different operating tables, which is a cumbersome operation.

[0006] Therefore, the utility model provides a flexible shaft retractor which is easy to adjust. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a flexible shaft retractor which is highly practical, can be easily adjusted through simple operation and has a relatively simple structure, and solves the problem of the relatively fixed length of the flexible shaft and the relatively fixed width of the fixed end proposed in the above background technology.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a flexible shaft retractor that is easy to adjust, comprising an upper fixed plate, a connecting column is fixedly installed at the edge of the surface of the upper fixed plate, a first flexible shaft is fixedly installed on the surface of the connecting column, a tensioning assembly is fixedly installed at one end of the first flexible shaft, a second flexible shaft is slidably connected inside the first flexible shaft, a width adjustment assembly is fixedly installed on one side of the bottom of the upper fixed plate, a lower fixed plate is fixedly installed on the bottom of the width adjustment assembly, a slide plate is fixedly installed on the edge of the surface of the lower fixed plate, one end of the slide plate is fixedly fixed to the other side of the bottom of the upper fixed plate, and both ends of one side of the upper fixed plate are fixedly installed with a wire take-up assembly.

[0011] Optionally, anti-slip pads are fixedly installed on the edge of the bottom of the upper fixed plate and one side of the surface of the lower fixed plate, and fastening bolts are threadedly connected from left to right on the edge of the surface of the upper fixed plate and one side of the bottom of the lower fixed plate, and the upper fixed plate and the lower fixed plate are further fixed by the setting of the fastening bolts.

[0012] Optionally, a traction chuck assembly is fixedly mounted on one end of the second flexible shaft, and a protective pad is fixedly mounted on the surface of the traction chuck assembly, so that the protective pad is used to protect the clamped nerve tissue.

[0013] Optionally, the tensioning assembly includes a tensioning claw fixedly mounted on one end of the first flexible shaft, and a fastening cap is threadedly connected to the surface of the tensioning claw, and the tensioning assembly is used to fix the first flexible shaft and the second flexible shaft.

[0014] Optionally, the width adjustment component includes a rack frame fixedly mounted on one side of the bottom of the upper fixed plate, the surface of the rack frame is slidably connected to an outer frame, a gear is meshed inside the rack frame, a rotating rod passes through the inside of the gear, the rotating rod passes through the outer frame, a rotating handle is fixedly mounted on one end of the rotating rod, and the other end of the rotating rod is threadedly penetrated by a limiting nut, and the width adjustment component is used to change the length between the upper fixed plate and the lower fixed plate through the setting of the width adjustment component.

[0015] Optionally, the traction chuck assembly includes a first clamping plate fixedly mounted on one end of the second flexible shaft, a screw threadedly penetrates the edge of the surface of the first clamping plate, one end of the screw is rotatably connected to the second clamping plate via a bearing, and the traction chuck assembly is used to clamp nerve tissue.

[0016] (III) Beneficial effects

[0017] The utility model provides a flexible shaft retractor that is easy to adjust and has the following beneficial effects:

[0018] 1. The adjustable flexible shaft retractor is provided with a first flexible shaft, a second flexible shaft and an elastic component. When the overall length of the flexible shaft needs to be changed, the fastening cap is loosened, and the second flexible shaft is dragged outward. After being dragged to a suitable position, the fastening cap is tightened and the device is used, thereby changing the length of the flexible shaft from a fixed length to a movable length, facilitating the use of different nerve positions and improving the practicality of the device.

[0019] 2. The adjustable flexible shaft retractor, through the arrangement of the upper fixing plate, the width adjustment component and the lower fixing plate, adjusts the width adjustment component according to the width of the edge of the operating table, so that the distance between the upper fixing plate and the lower fixing plate adapts to the distance of the edge of the operating table, thereby facilitating better fixation of the device and ensuring the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the width adjustment component of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the elastic component of the utility model;

[0023] Figure 4 This is an enlarged structural diagram of the utility model at A;

[0024] Figure 5 This is a structural schematic diagram of the first embodiment of the utility model.

[0025] In the figure: 1. upper fixed plate; 2. first flexible shaft; 3. tensioning assembly; 301. tensioning claw; 302. fastening cap; 4. second flexible shaft; 5. width adjustment assembly; 501. rack frame; 502. outer frame; 503. gear; 504. rotating rod; 505. rotating handle; 506. limiting nut; 6. lower fixed plate; 7. slide plate; 8. wire take-up assembly; 801. binding strap; 802. Velcro; 9. anti-slip pad; 10. traction chuck assembly; 1001. first clamping plate; 1002. screw rod; 1003. second clamping plate. DETAILED DESCRIPTION

[0026] 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. 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.

[0027] See also Figures 1 to 4The utility model provides a technical solution: a flexible shaft retractor that is easy to adjust, comprising an upper fixing plate 1, a connecting column is fixedly installed at the edge of the surface of the upper fixing plate 1, a first flexible shaft 2 is fixedly installed on the surface of the connecting column, a tensioning component 3 is fixedly installed at one end of the first flexible shaft 2, and a second flexible shaft 4 is slidably connected inside the first flexible shaft 2. Through the arrangement of the first flexible shaft 2, the second flexible shaft 4 and the tensioning component 3, when it is necessary to change the overall length of the flexible shaft, loosen the fastening cap 302, drag the second flexible shaft 4 outward, and after dragging it to a suitable position, tighten the fastening cap 302 to use the device, so that the flexible shaft changes from a fixed length to a movable length, which is convenient for use at different nerve positions and improves the practicality of the device. A width adjustment component 5 is fixedly installed on one side of the bottom of the upper fixing plate 1, a lower fixing plate 6 is fixedly installed on the bottom of the width adjustment component 5, a slide plate 7 is fixedly installed on the edge of the surface of the lower fixing plate 6, one end of the slide plate 7 is fixed to the other side of the bottom of the upper fixing plate 1, and both ends of one side of the upper fixing plate 1 are fixedly installed with a wire collection component 8.

[0028] The edge of the bottom of the upper fixing plate 1 and one side of the surface of the lower fixing plate 6 are fixedly installed with anti-slip pads 9, and the edge of the surface of the upper fixing plate 1 and one side of the bottom of the lower fixing plate 6 are threadedly connected with fastening bolts from left to right, and the setting of the fastening bolts plays a role in further fixing the upper fixing plate 1 and the lower fixing plate 6;

[0029] A traction chuck assembly 10 is fixedly mounted on one end of the second flexible shaft 4, and a protective pad is fixedly mounted on the surface of the traction chuck assembly 10, so that the protective pad can protect the clamped nerve tissue;

[0030] The tensioning assembly 3 includes a tensioning claw 301 fixedly mounted on one end of the first flexible shaft 2, and a fastening cap 302 is threadedly connected to the surface of the tensioning claw 301. The setting of the tensioning assembly 3 plays a role in fixing the first flexible shaft 2 and the second flexible shaft 4;

[0031] The width adjustment component 5 includes a rack frame 501 fixedly installed on one side of the bottom of the upper fixed plate 1, the surface of the rack frame 501 is slidably connected to the outer frame 502, the interior of the rack frame 501 is meshed with a gear 503, the interior of the gear 503 is penetrated by a rotating rod 504, the rotating rod 504 penetrates the outer frame 502, one end of the rotating rod 504 is fixedly installed with a rotating handle 505, and the other end of the rotating rod 504 is threadedly penetrated by a limiting nut 506, and the setting of the width adjustment component 5 plays a role in changing the length between the upper fixed plate 1 and the lower fixed plate 6;

[0032] The traction chuck assembly 10 includes a first clamping plate 1001 fixedly mounted on one end of the second flexible shaft 4, a screw rod 1002 is threadedly penetrated at the edge of the surface of the first clamping plate 1001, and one end of the screw rod 1002 is rotatably connected to the second clamping plate 1003 via a bearing. The setting of the traction chuck assembly 10 plays a role in clamping nerve tissue.

[0033] In the utility model, the working steps of the device are as follows:

[0034] Step 1: According to the width of the edge of the operating table, adjust the width adjustment component 5 so that the distance between the upper fixing plate 1 and the lower fixing plate 6 adapts to the distance of the edge of the operating table, and tighten the fastening bolts;

[0035] Step 2: When the length of the entire flexible shaft needs to be changed, loosen the fastening cap 302, drag the second flexible shaft 4 outward, and after dragging it to a suitable position, tighten the fastening cap 302 to use the device, so that the flexible shaft changes from a fixed length to a movable length;

[0036] The third step: adjusting the first clamping plate 1001 and the second clamping plate 1003 in the traction clamp assembly 10 to a suitable width to perform traction and fixation of the nerve.

[0037] Embodiment 1:

[0038] See also Figure 5 As shown, the wire collection assembly 8 includes straps 801 fixedly installed at both ends of one side of the upper fixed plate 1, and Velcro 802 is fixedly installed on the surface of the strap 801. The strap 801 can bundle the soft shaft, and the Velcro 802 is used to fix the strap 801, so that the soft shaft can be fixed and collected conveniently.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] 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 flexible shaft retractor that is easy to adjust, comprising an upper fixing plate (1), characterized in that: A connecting column is fixedly mounted on the edge of the surface of the upper fixed plate (1), a first flexible shaft (2) is fixedly mounted on the surface of the connecting column, a tensioning assembly (3) is fixedly mounted on one end of the first flexible shaft (2), a second flexible shaft (4) is slidably connected inside the first flexible shaft (2), a width adjustment assembly (5) is fixedly mounted on one side of the bottom of the upper fixed plate (1), a lower fixed plate (6) is fixedly mounted on the bottom of the width adjustment assembly (5), a slide plate (7) is fixedly mounted on the edge of the surface of the lower fixed plate (6), one end of the slide plate (7) is fixed to the other side of the bottom of the upper fixed plate (1), and a wire take-up assembly (8) is fixedly mounted on both ends of one side of the upper fixed plate (1).

2. The easily adjustable flexible shaft retractor according to claim 1, characterized in that: Anti-skid pads (9) are fixedly installed at the edge of the bottom of the upper fixing plate (1) and one side of the surface of the lower fixing plate (6), and fastening bolts are threadedly connected from left to right at the edge of the surface of the upper fixing plate (1) and one side of the bottom of the lower fixing plate (6).

3. The easily adjustable flexible shaft retractor according to claim 1, characterized in that: A traction chuck assembly (10) is fixedly mounted on one end of the second flexible shaft (4), and a protective pad is fixedly mounted on the surface of the traction chuck assembly (10).

4. The easily adjustable flexible shaft retractor according to claim 1, characterized in that: The tensioning assembly (3) comprises a tensioning claw (301) fixedly mounted on one end of the first flexible shaft (2), and a fastening cap (302) is threadedly connected to the surface of the tensioning claw (301).

5. The easily adjustable flexible shaft retractor according to claim 1, characterized in that: The width adjustment assembly (5) comprises a rack frame (501) fixedly mounted on one side of the bottom of the upper fixed plate (1), the surface of the rack frame (501) being slidably connected to an outer frame (502), a gear (503) being meshed inside the rack frame (501), a rotating rod (504) passing through the inside of the gear (503), the rotating rod (504) passing through the outer frame (502), a rotating handle (505) being fixedly mounted on one end of the rotating rod (504), and a limiting nut (506) being threadedly passed through the other end of the rotating rod (504).

6. The easily adjustable flexible shaft retractor according to claim 3, characterized in that: The traction clamp assembly (10) comprises a first clamping plate (1001) fixedly mounted on one end of the second flexible shaft (4), a screw rod (1002) threadedly penetrates the edge of the surface of the first clamping plate (1001), and one end of the screw rod (1002) is rotatably connected to the second clamping plate (1003) via a bearing.

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