CN215937505U

CN215937505U - Retractor for spinal surgery

Info

Publication number: CN215937505U
Application number: CN202121645165.6U
Authority: CN
Inventors: 杨洪波; 李秀海; 李如雪
Original assignee: Affiliated Hospital of Chifeng University
Current assignee: Affiliated Hospital of Chifeng University
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-04
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a retracting device for spinal surgery, which relates to the technical field of medical instruments and comprises a base, wherein first sliding grooves are formed in the middle of the front side surface and the rear side surface of the base, first sliding blocks matched with the first sliding grooves are clamped in the two first sliding grooves, square cylinders are fixedly connected to the upper surfaces of the two first sliding blocks, square rods matched with the square cylinders are clamped in the two square cylinders, a plurality of uniformly distributed inserting holes are formed in the left side surface of the front square cylinder, and square holes are formed in the left side surface of the front square rod. This a lead out device for backbone surgery through the cooperation of handle, dwang, first screw thread and second screw thread, can utilize handle and dwang to drive first screw thread and second screw thread rotation, and then make two fixed blocks can move towards the same or opposite direction simultaneously for the device lead out more in a flexible way, improvement work efficiency that can be very big.

Description

Retractor for spinal surgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a retracting device for spinal surgery.

Background

The retractor is similar to the retractor principle, namely, the appearance, is used for retracting tissues, shows the scope of operation, is convenient to explore and operate, can be divided into two types of collecting retractors and automatic retractors, has specifications of various shapes and sizes, can select suitable retractors according to operation needs, and when carrying out spinal surgery, medical personnel are required to use the retractor to pull open various tissues of patients, and the disease is exposed, so that the medical personnel can carry out treatment operation. The existing retractor devices on the market often have the problems of troublesome use, inconvenient movement, inconvenient height adjustment, low working efficiency and troublesome work.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a retracting device for spinal surgery, which solves the problems of troublesome use, inconvenient movement and inconvenient height adjustment.

In order to achieve the purpose, the utility model provides the following technical scheme: a retracting device for spinal surgery comprises a base, wherein first sliding grooves are formed in the middle of the front side surface and the rear side surface of the base, first sliding blocks matched with the first sliding grooves are clamped in the first sliding grooves, square cylinders are fixedly connected to the upper surfaces of the first sliding blocks, square rods matched with the square cylinders are clamped in the square cylinders, a plurality of uniformly distributed inserting holes are formed in the left side surface of the square cylinder positioned at the front side, square holes are formed in the left side surface of the square rod positioned at the front side, inserting blocks matched with the square holes are clamped in the square holes, one side surface, close to each other, of the two square rods is fixedly connected with the same round rod, symmetrical square sliding blocks are slidably connected to the outer surface of the round rod, the same fixing strip is fixedly connected to the left side surfaces of the two square rods, and a second sliding groove is formed in the right side surface of the fixing strip, the inside joint of second spout has symmetrical second slider, two the right flank of second slider all with the left surface fixed connection of square slider, two the equal fixedly connected with supporting shoe of the right flank of square bar, two the equal fixed mosaic in inside of supporting shoe has the bearing, two the same dwang of inside fixedly connected with of bearing, the front side of dwang surface is seted up first screw thread, the rear side of dwang surface is seted up the second screw thread, symmetrical fixed block has been placed to the upper surface of base, the positive fixedly connected with handle of dwang.

As the further description of above-mentioned technical scheme, the equal fixedly connected with supporting leg in four edges of base bottom surface, every the supporting leg is the matrix at the bottom surface of base and distributes, and the bottom surface of four supporting legs all is located same horizontal plane, is the matrix at the bottom surface of base simultaneously and distributes, can make the device be in same horizontal plane and steadily place, all kinds of troubles such as slope can not appear.

Preferably, two the equal fixedly connected with first spring in bottom surface of square pole, two the bottom of first spring all is connected with the last fixed surface of square tube, and the rise of square pole can be assisted to first spring, can play the effect of a buffering simultaneously when the square pole descends, and placer falls too much and causes the injury to the disease.

Preferably, the jacks are linearly distributed on the left side of the square barrel, the left sides of the insertion blocks are in a slope shape, the insertion blocks are inserted into the jacks, the plurality of linearly arranged jacks can be more convenient for the insertion and locking of the insertion blocks, and the device can be conveniently adjusted by a user.

Preferably, the right side fixedly connected with second spring of inserted block, the right-hand member of second spring is at the right inner wall fixed connection of square hole, and the second spring can play a power of releasing to the inserted block, makes things convenient for more direct grafting of inserted block in the inside of slot.

Preferably, two the equal fixedly connected with stock in bottom surface of square slider, the bottom semicircular in shape of two stock, the bottom is semicircular in shape, and the patient's disease district tissue of tearing open that semicircular stock can be more convenient, makes things convenient for medical personnel to cure the disease.

Preferably, be located the front side fixed block and pass through first screw thread and dwang threaded connection, be located the rear side fixed block and pass through second screw thread and dwang threaded connection, can make two fixed blocks remove to the same or opposite direction simultaneously through first screw thread and second screw thread, can make the drawing of device more nimble.

Compared with the prior art, the utility model has the following beneficial effects:

1. this a lead out device for backbone surgery, through the handle, the dwang, the cooperation of first screw thread and second screw thread, can utilize handle and dwang to drive first screw thread and second screw thread rotation, and then make two fixed blocks can move towards the same or opposite direction simultaneously, make the device lead out more nimble, improvement work efficiency that can be very big, through bottom semicircular stock, can be more nimble pull the sick district of patient apart, make things convenient for medical personnel to treat.

2. This a lead out device for spinal surgery, all be located same horizontal plane and be the supporting leg that the matrix distributes in the base bottom surface through four bottom surfaces, can make the device be in same horizontal plane and steadily place, all kinds of troubles such as slope can not appear, through two first springs, can assist the rise of square pole, simultaneously can be when the square pole descends, the effect of a buffering is played to the square pole, the placer whereabouts is too much to cause the injury to the disease, can play the power that a release to the inserted block through the second spring, make things convenient for the inserted block to peg graft in the inside of slot.

Drawings

FIG. 1 is a front cross-sectional view of an insert of the present invention;

FIG. 2 is a top cross-sectional view of a rotating shaft according to the present invention;

FIG. 3 is a left side cross-sectional view of the square pole of the present invention;

fig. 4 is a rear view of the bearing of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a first chute; 4. a first slider; 5. a square cylinder; 6. a square bar; 7. a first spring; 8. a jack; 9. a square hole; 10. inserting a block; 11. a second spring; 12. a round bar; 13. a square slider; 14. a long rod; 15. a fixing strip; 16. a second chute; 17. a second slider; 18. a support block; 19. a bearing; 20. rotating the rod; 21. a first thread; 22. a second thread; 23. a fixed block; 24. a handle.

Detailed Description

Referring to fig. 1-4, a retractor device for spinal surgery comprises a base 1, wherein four corners of the bottom surface of the base 1 are fixedly connected with supporting legs 2, each supporting leg 2 is distributed on the bottom surface of the base 1 in a matrix form, the bottom surfaces of the four supporting legs 2 are positioned on the same horizontal plane, and are distributed on the bottom surface of the base 1 in a matrix form, so that the device can be stably placed on the same horizontal plane without various faults such as inclination, first chutes 3 are formed in the middle parts of the front and rear side surfaces of the base 1, first sliding blocks 4 matched with the first chutes 3 are clamped in the two first sliding grooves 3, square tubes 5 are fixedly connected to the upper surfaces of the two first sliding blocks 4, square rods 6 matched with the square tubes 5 are clamped in the two square tubes 5, first springs 7 are fixedly connected to the bottom surfaces of the two square rods 6, and the bottom ends of the two first springs 7 are fixedly connected to the upper surfaces of the square tubes 5, the first spring 7 can assist the square rod 6 to rise, and simultaneously can play a role of buffering the square rod 6 when the square rod 6 descends, the placing device falls too much to cause injury to patients, the left side surface of the front side barrel 5 is provided with a plurality of jacks 8 which are uniformly distributed, the left side surface of the front side rod 6 is provided with a square hole 9, the inner part of the square hole 9 is clamped with an insert block 10 matched with the square hole 9, the jacks 8 are linearly distributed on the left side surface of the square barrel 5, the left side of the insert block 10 is in a slope shape, the insert block 10 is inserted into the jack 8, the jacks 8 which are linearly arranged can be more convenient for the insertion and locking of the insert block 10, the user can conveniently adjust the device up and down, the right side surface of the insert block 10 is fixedly connected with the second spring 11, the right end of the second spring 11 is fixedly connected with the right inner wall of the square hole 9, and the second spring 11 can exert a pushing force on the insert block 10, the convenient inserting block 10 is more directly inserted into the inserting hole 8, one side surface of each two square rods 6 which are close to each other is fixedly connected with the same round rod 12, the outer surface of the round rod 12 is connected with symmetrical square sliders 13 in a sliding mode, the bottom surfaces of the two square sliders 13 are both fixedly connected with long rods 14, the bottom ends of the two long rods 14 are semicircular, the long rods 14 with the semicircular bottom ends can pull open the affected area tissues of a patient more conveniently, medical personnel can conveniently treat the patient, the left side surfaces of the two square rods 6 are fixedly connected with the same fixing strip 15, the right side surfaces of the fixing strip 15 are provided with second sliding grooves 16, symmetrical second sliding blocks 17 are clamped inside the second sliding grooves 16, the right side surfaces of the two second sliding blocks 17 are both fixedly connected with the left side surfaces of the square sliders 13, the right side surfaces of the two square rods 6 are both fixedly connected with supporting blocks 18, and bearings 19 are fixed and inlaid inside the two supporting blocks 18, the same dwang 20 of two bearing 19's the same dwang 20 of inside fixedly connected with, the front side of dwang 20 surface is opened and is equipped with first screw thread 21, the rear side of dwang 20 surface is opened and is equipped with second screw thread 22, symmetrical fixed block 23 has been placed to the upper surface of base 1, it passes through first screw thread 21 and dwang 20 threaded connection to be located front side fixed block 23, it passes through second screw thread 22 and dwang 20 threaded connection to be located rear side fixed block 23, can make two fixed blocks 23 remove to the same or opposite direction simultaneously through first screw thread 21 and second screw thread 22, can make the drawing of device more nimble, the positive fixedly connected with handle 24 of dwang 20.

The working principle is as follows: when the surgery is needed to be performed on the spine of a patient, the first sliding block 4 is firstly used for flexibly adjusting the device to the wound of the patient in the first sliding groove 3, then, by pressing down the insert block 10, the height of the device can be adjusted more conveniently through the fixing strip 15, when the bottom end of the long rod 14 contacts the wound of the patient, the bottom end of the long rod 14 pulls the tissues on the two sides of the wound, then the inserting block 10 is loosened to lock the height of the device, the device can be prevented from falling accidentally through the inserting block 10 with the shape of a slope, the patient is injured, then the handle 24 rotates the rod 20 to drive the fixing block 23 to move through the first thread 21 and the second thread 22, so that the two fixed blocks 23 can face the same or opposite directions for movement, making retraction of the patient's tissue more convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retraction device for spinal surgery, comprising a base (1), characterized in that: the middle part of the front side and the rear side of the base (1) is provided with first chutes (3), the inside of the two first chutes (3) is respectively connected with first sliding blocks (4) matched with the first chutes (3), the upper surfaces of the two first sliding blocks (4) are respectively fixedly connected with square cylinders (5), the inside of the two square cylinders (5) is connected with square rods (6) matched with the square cylinders (5), the left side surface of the front side square cylinder (5) is provided with a plurality of uniformly distributed insertion holes (8), the left side surface of the front side square rod (6) is provided with a square hole (9), the inside of the square hole (9) is connected with an insertion block (10) matched with the square hole (9), one side surface of the two square rods (6) close to each other is fixedly connected with a same round rod (12), the outer surface of the round rod (12) is slidably connected with symmetrical square sliding blocks (13), the left side surface of the two square rods (6) is fixedly connected with a same fixing strip (15), second spout (16) have been seted up to the right flank of fixed strip (15), the inside joint of second spout (16) has symmetrical second slider (17), the right flank of two second sliders (17) all with the left surface fixed connection of square slider (13), the equal fixedly connected with supporting shoe (18) of right flank of two square poles (6), the equal fixed mosaic in inside of two supporting shoes (18) has bearing (19), the same dwang (20) of inside fixedly connected with of two bearing (19), the front side of dwang (20) surface is seted up first screw thread (21), the rear side of dwang (20) surface is seted up second screw thread (22), symmetrical fixed block (23) have been placed to the upper surface of base (1), the positive fixedly connected with handle (24) of dwang (20).

2. A retraction device for spinal surgery as recited in claim 1, wherein: the equal fixedly connected with supporting leg (2) in four edges of base (1) bottom surface, every supporting leg (2) are the matrix and distribute in the bottom surface of base (1).

3. A retraction device for spinal surgery as recited in claim 1, wherein: the bottom surface of two square pole (6) is first spring (7) of equal fixedly connected with, two the bottom of first spring (7) all is connected with the last fixed surface of square tube (5).

4. A retraction device for spinal surgery as recited in claim 1, wherein: the square barrel is characterized in that the insertion holes (8) are linearly distributed on the left side surface of the square barrel (5), the left side of the insertion block (10) is in a slope shape, and the insertion block (10) is inserted into the insertion holes (8).

5. A retraction device for spinal surgery as recited in claim 1, wherein: the right side face of inserted block (10) fixedly connected with second spring (11), the right-hand member of second spring (11) is at the right inner wall fixed connection of square hole (9).

6. A retraction device for spinal surgery as recited in claim 1, wherein: the bottom surfaces of the two square sliding blocks (13) are fixedly connected with long rods (14), and the bottom ends of the two long rods (14) are semicircular.

7. A retraction device for spinal surgery as recited in claim 1, wherein: the fixed block (23) positioned on the front side is in threaded connection with the rotating rod (20) through a first thread (21), and the fixed block (23) positioned on the rear side is in threaded connection with the rotating rod (20) through a second thread (22).