CN211560199U

CN211560199U - Neurosurgery retractor

Info

Publication number: CN211560199U
Application number: CN202020195826.9U
Authority: CN
Inventors: 杨书光
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-23
Filing date: 2020-02-23
Publication date: 2020-09-25
Anticipated expiration: 2030-02-23

Abstract

The utility model discloses a neurosurgery retracting device, belonging to the technical field of neurosurgery, comprising a base, wherein a bidirectional screw is arranged inside the base, rotating shafts are respectively arranged at two ends of the bidirectional screw, bearings are respectively sleeved on the outer surfaces of the two rotating shafts, the two bearings are symmetrically clamped on the left side surface and the right side surface of the base, a rotating handle is welded on the rotating shaft at the right side of the bidirectional screw, and a bolt is connected on the rotating handle through a thread; through setting up two-way screw rod, backup pad, connecting rod, traction plate and bolt, the rotation that utilizes two-way screw rod drives two backup pads and keeps away from each other, and then drives two traction plates through the connecting rod and keep away from each other, realizes drawing of operation wound, and utilizes the bolt to pass the turning handle and twists the screw thread snap-in power on the screw hole of different positions department cooperation two-way screw rod, effectively avoids drawing the not hard up phenomenon in back, simple structure, convenient operation guarantees to draw the stability of treating the operation position after.

Description

Neurosurgery retractor

Technical Field

The utility model belongs to the technical field of neurosurgery, concretely relates to neurosurgery leads out device.

Background

Neurosurgery is a branch of surgery, and is a branch of surgery, which is based on surgery as a main treatment means, and is used for researching the injury, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunctional diseases of human nervous systems, such as brain, spinal cord and peripheral nervous systems, and related auxiliary mechanisms, such as skull, scalp, cerebral vessels and meninges, by using a unique neurosurgical research method: the etiology and pathogenesis of epilepsy, Parkinson's disease, neuralgia and other diseases, and explores a high, precise and advanced discipline of new diagnosis, treatment and prevention technology.

The existing retractor for neurosurgery has incomplete functions and inconvenient use, and the inconvenience is brought to the operation when the force is too large or too small when a doctor operates the retractor by hands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a neurosurgery leads out device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a neurosurgery retracting device comprises a base, wherein a bidirectional screw rod is arranged in the base, rotating shafts are arranged at two ends of the bidirectional screw rod, bearings are sleeved on the outer surfaces of the two rotating shafts, the two bearings are symmetrically clamped on the left side surface and the right side surface of the base, a rotating handle is welded on the rotating shaft on the right side of the bidirectional screw rod, a bolt is connected on the rotating handle in a threaded manner, the tail of the bolt penetrates through the inner side wall of a threaded hole of the rotating handle in a threaded manner, two threaded caps are connected on the outer surface of the bidirectional screw rod in a threaded manner, the threaded caps are clamped on the right side surface of a supporting plate, connecting rods are arranged on the front surface and the back surface of the supporting plate, one end, away from the supporting plate, of each connecting rod penetrates through a channel formed in the base to, the spring is kept away from the one end of recess and is installed the connecting block, the upper surface at the locating plate is fixed to the connecting block, the handle hole has been seted up to the upper surface of locating plate, the reinforcing plate is all installed to the opposite face of traction plate and locating plate.

By adopting the scheme, the bidirectional screw, the supporting plates, the connecting rod, the traction plates and the bolt are arranged, the two supporting plates are driven to be away from each other by the rotation of the bidirectional screw, the two traction plates are driven to be away from each other by the connecting rod, the operation wound is retracted, the bolt penetrates through the rotating handle and is screwed into the threaded holes at different positions to be matched with the thread occlusion force on the bidirectional screw, the phenomenon of loosening after retraction is effectively avoided, the structure is simple, the operation is convenient, the stability of the part to be operated after retraction is ensured, the spring, the connecting block, the reinforcing plate and the positioning plate are arranged, the reverse acting force generated by the stretching of the spring is utilized to act on the connecting block and further act on the positioning plate, the skin at the operation part can be effectively clamped, the fixing effect is further improved by the serrated reinforcing plate, and the separation phenomenon, and functional diversity is improved.

In a preferred embodiment, a sponge pad a is adhered to the upper surface of the base.

By adopting the scheme, the part of the patient to be retracted can be adjusted and placed on the base when the patient is retracted by arranging the spongy cushion a, and the patient can feel comfortable by utilizing the spongy cushion a.

As a preferred embodiment, the sliding sleeves are clamped on the front side and the rear side of the left side face of the supporting plate, the inner side walls of the two sliding sleeves are sleeved with the sliding rods, and two ends of each sliding rod are fixedly connected with the left side face and the right side face of the inner side wall of the base respectively.

By adopting the scheme, the supporting plate is limited by the matching of the sliding sleeve and the sliding rod, so that the supporting plate can not rotate and is more stable when moving left and right under the rotating action of the bidirectional screw rod.

In a preferred embodiment, the opposite surfaces of the upper reinforcing plate of the traction plate and the upper reinforcing plate of the positioning plate are arranged in a zigzag manner, and the sponge pads b are adhered to the opposite surfaces.

Adopt above-mentioned scheme, utilize the reinforcing plate cooperation foam-rubber cushion b of cockscomb structure to use, can carry out effective fixed clamp tightly to the skin of operation position both sides, and can promote the comfort.

As a preferred embodiment, the spring is sleeved on the outer surface of the telescopic rod, and two ends of the telescopic rod are respectively and fixedly connected with the inner side wall of the groove and one side surface of the connecting block.

Adopt above-mentioned scheme, utilize the telescopic link to support the spring, the telescopic link follows the synchronous extension of spring or shrink, and then makes the reinforcing plate installation more stable and be difficult for rocking.

As a preferred embodiment, the number of the threaded holes on the right side surface of the base is several, and the threaded holes are arranged on the right side surface of the base in an annular array.

By adopting the scheme, the bolt can penetrate through the rotating handle to be screwed into the threaded hole all the time when the rotating handle rotates by utilizing the arrangement of the threaded holes, and then the position of the rotating handle can be fixed.

Compared with the prior art, the beneficial effects of the utility model are that:

the neurosurgery retracting device is provided with the bidirectional screw, the supporting plates, the connecting rod, the traction plates and the bolts, the two supporting plates are driven to be away from each other by the rotation of the bidirectional screw, the two traction plates are driven to be away from each other by the connecting rod, the retraction of an operation wound is realized, the bolts penetrate through the rotating handles and are screwed into threaded holes at different positions to be matched with the thread occlusion force on the bidirectional screw, the phenomenon of loosening after retraction is effectively avoided, the structure is simple, the operation is convenient, and the stability of a part to be operated after retraction is ensured;

this neurosurgery leads out device utilizes the spring to receive the reverse action power of tensile production to act on the connecting block through setting up spring, connecting block, reinforcing plate and locating plate, and then acts on the locating plate, and then can effectively press from both sides tight operation position skin, and utilizes the reinforcing plate of cockscomb structure to further promote fixed effect, avoids leading out the in-process and takes place to break away from the phenomenon, perfects functional diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a top view section of the base of the present invention;

fig. 3 is a schematic structural view of a main view section of the traction plate of the present invention.

In the figure: 1. a base; 2. a bidirectional screw; 3. a rotating shaft; 4. a handle is rotated; 5. a threaded cap; 6. a support plate; 7. a connecting rod; 8. a traction plate; 9. a spring; 10. connecting blocks; 11. positioning a plate; 12. a reinforcing plate; 13. a bolt; 14. a sliding sleeve; 15. a slide bar; 16. a spongy cushion a; 17. a telescopic rod; 18. and a spongy cushion b.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a neurosurgical retraction device, which comprises a base 1, wherein a sponge pad a16 (see fig. 1) is adhered on the upper surface of the base 1; by arranging the sponge cushion a16, the part to be retracted of a patient can be adjusted and placed on the base 1 when the patient is retracted, and the sponge cushion a16 is utilized to bring comfortable feeling to the patient.

The bidirectional screw rod 2 is arranged in the base 1, the rotating shafts 3 are mounted at two ends of the bidirectional screw rod 2, bearings are sleeved on the outer surfaces of the two rotating shafts 3, the two bearings are symmetrically clamped on the left side surface and the right side surface of the base 1, the rotating handle 4 is welded on the rotating shaft 3 on the right side of the bidirectional screw rod 2, a bolt 13 is connected to the rotating handle 4 in a threaded mode, the tail portion of the bolt 13 penetrates through the rotating handle 4 to be connected to the inner side wall of the threaded hole in a threaded mode, the number of threaded holes on the right side surface of the base 1 is multiple, and the threaded holes are arranged on the right side surface; the arrangement of the plurality of threaded holes can enable the bolt 13 to penetrate through the rotating handle 4 to be screwed into the threaded hole all the time when the rotating handle 4 rotates, and then the rotating handle 4 can be fixed in position.

The outer surface of the bidirectional screw 2 is in threaded connection with two threaded caps 5, the threaded caps 5 are clamped on the right side surface of the supporting plate 6, sliding sleeves 14 are clamped on the front side and the rear side of the left side surface of the supporting plate 6, sliding rods 15 are sleeved on the inner side walls of the two sliding sleeves 14, and two ends of each sliding rod 15 are fixedly connected with the left side surface and the right side surface of the inner side wall of the base 1 respectively (see fig. 2); the supporting plate 6 is limited by the matching use of the sliding sleeve 14 and the sliding rod 15, so that the supporting plate 6 can not rotate and is more stable when moving left and right under the rotating action of the bidirectional screw 2.

The front side and the back side of the supporting plate 6 are both provided with connecting rods 7, one end of each connecting rod 7, far away from the supporting plate 6, penetrates through a channel formed in the base 1, extends out of the base 1 and is provided with a traction plate 8, one side surface of each traction plate 8 is provided with a groove, the inner side wall of each groove is provided with a spring 9, the spring 9 is sleeved on the outer surface of the telescopic rod 17, and two ends of the telescopic rod 17 are respectively fixedly connected with the inner side wall of each groove and one side surface of the; utilize telescopic link 17 to support spring 9, telescopic link 17 follows spring 9 synchronous extension or shrink, and then makes reinforcing plate 12 install more stably and be difficult for rocking.

A connecting block 10 is mounted at one end, far away from the groove, of the spring 9, the connecting block 10 is fixed on the upper surface of the positioning plate 11, an operation hole is formed in the upper surface of the positioning plate 11, reinforcing plates 12 are mounted on opposite surfaces of the traction plate 8 and the positioning plate 11, opposite surfaces of the reinforcing plates 12 on the traction plate 8 and the reinforcing plates 12 on the positioning plate 11 are both arranged to be zigzag, and sponge pads b18 are bonded on the opposite surfaces (see fig. 1 and 3); the reinforcing plate 12 with the saw-toothed shape is used in cooperation with the spongy cushion b18, so that the skin on two sides of the operation position can be effectively fixed and clamped, and the comfortable sensation can be improved.

When the device is used, firstly, the body of a patient is adjusted to enable the part to be operated to be located between two supporting plates 6 above a base 1, then a connecting block 10 is pulled up through an operation hole to enable the connecting block to be away from a traction plate 8, further, a spring 9 is stretched and extended, further, a positioning plate 11 is enabled to be away from the traction plate 8, the skin on the wound part is clamped to enable the skin to be located between the traction plate 8 and the positioning plate 11, the positioning plate 11 is loosened to enable the positioning plate 11 to be close to the traction plate 8 to effectively clamp and fix the skin under the elastic action of the spring 9, then, the skin on the other side of the wound part is clamped and fixed on the other traction plate 8 according to the steps, then, a bolt 13 is screwed out and the rotating handle 4 is rotated to drive a bidirectional screw 2, further, the two supporting plates 6 are made to be away from each other, thereby, the connecting rod 7 is used for driving the two traction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A neurosurgical retraction device, comprising a base (1), characterized in that: the novel bearing seat is characterized in that a bidirectional screw (2) is arranged in the base (1), rotating shafts (3) are mounted at two ends of the bidirectional screw (2), bearings are sleeved on the outer surfaces of the two rotating shafts (3), the two bearings are symmetrically clamped on the left side surface and the right side surface of the base (1), rotating handles (4) are welded on the rotating shafts (3) on the right side of the bidirectional screw (2), bolts (13) are connected to the rotating handles (4) in a threaded mode, the tail portions of the bolts (13) penetrate through the inner side walls of the threaded holes of the rotating handles (4) in a threaded mode, two threaded caps (5) are connected to the outer surfaces of the bidirectional screw (2) in a threaded mode, the threaded caps (5) are clamped on the right side surface of a supporting plate (6), connecting rods (7) are mounted on the front surface and the back surface of the supporting plate (6), one ends, far away from the supporting plate (6), of the connecting rods (7), a side of the traction plate (8) is provided with a groove, a spring (9) is installed on the inner side wall of the groove, one end, far away from the groove, of the spring (9) is provided with a connecting block (10), the connecting block (10) is fixed on the upper surface of the positioning plate (11), the upper surface of the positioning plate (11) is provided with an operation hole, and the opposite surfaces of the traction plate (8) and the positioning plate (11) are provided with reinforcing plates (12).

2. The neurosurgical retraction device of claim 1, wherein: the upper surface of the base (1) is adhered with a sponge pad a (16).

3. The neurosurgical retraction device of claim 1, wherein: the equal joint in both sides has sliding sleeve (14) around backup pad (6) left surface, and the inside wall of two sliding sleeves (14) has all cup jointed slide bar (15), the both ends of slide bar (15) respectively with the left and right sides face fixed connection of base (1) inside wall.

4. The neurosurgical retraction device of claim 1, wherein: the opposite surfaces of the reinforcing plate (12) on the traction plate (8) and the reinforcing plate (12) on the positioning plate (11) are both arranged to be saw-toothed and are adhered with sponge pads b (18).

5. The neurosurgical retraction device of claim 1, wherein: the outer surface of telescopic link (17) is established to spring (9) cover, the both ends of telescopic link (17) respectively with the inside wall of recess and a side fixed connection of connecting block (10).

6. The neurosurgical retraction device of claim 1, wherein: the quantity of base (1) right flank screw hole is a plurality of, and a plurality of screw hole is the right flank that the annular array was seted up at base (1).