CN214484544U

CN214484544U - Device for protecting spinal cord nerve root in operation

Info

Publication number: CN214484544U
Application number: CN202022137371.8U
Authority: CN
Inventors: 阮强津; 刘松; 杨普香
Original assignee: Third People's Hospital Of Yunnan Province
Current assignee: Third People's Hospital Of Yunnan Province
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-10-26
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a device for protecting spinal and medullary nerve roots in operation, which comprises a top mounting seat, the edge of the lower end face of the top mounting seat is longitudinally provided with four hexagonal connecting columns, the lower ends of the four hexagonal connecting columns are connected with the upper end face of the first position adjusting plate, the lower end of the first position adjusting plate is fixed on the upper end surface of the first sliding block, the lower end surface of the first sliding block is connected on the track of the first slide rail in a sliding way, the lower extreme of first slide rail is fixed in the up end of second position adjustment board, the utility model provides a device of protecting spinal cord nerve root in the art can fix the technique or the device of establishing the spinal cord passageway, makes the art person can use at any time, has saved the time that medical personnel transmitted the cutter to the art person, has avoided the art person in the operation with the tractive of the different degree of nerve, has improved art person's in the operation work efficiency.

Description

Device for protecting spinal cord nerve root in operation

Technical Field

The utility model relates to the technical field, the concrete field is a device of spinal cord nerve root is protected in art.

Background

The minimally invasive spine surgery technology adopts a tiny incision or puncture channel, applies special instruments and devices, reaches a diseased part from a normal anatomical structure under the monitoring of an image instrument or the guidance of a navigation technology, and finishes the whole operation process under a visual condition by using various miniature manual or electric instruments and equipment so as to achieve the aims of smaller incision, less tissue wound, less bleeding, high operation accuracy, definite effect and quick postoperative function recovery compared with the traditional or standard spine surgery. The spinal channel is usually required to be established in the operation, but the currently used technology or device for establishing the spinal channel is manually transferred by other medical staff when needed by a doctor in the operation process, so that the operation may delay the optimal time for treating the patient, and the technology or device for establishing the spinal channel cannot effectively fix the spinal channel after the installation is finished and needs to be manually held by workers, so that the operator often pulls nerves to different degrees in the operation, and the patient has nerve symptoms to different degrees after the operation, or the original nerve symptoms are aggravated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of spinal cord nerve root is protected in art, with the present technique or the device of using the establishment spinal cord passageway that proposes in solving above-mentioned background art, all be in the operation in-process by other medical personnel manual transmission when the main knife doctor needs, the best time that patient's treatment may be delayed in such operation, the technique or the device of establishing the spinal cord passageway simultaneously can not effectually fix it after the installation, need the staff manual to control, often lead to the art person in the operation with the tractive of nerve different degrees like this, make the patient appear the nerve symptom of different degrees in the postoperative, perhaps the problem that original nerve symptom aggravated.

In order to achieve the above object, the utility model provides a following technical scheme: a device for protecting spinal and medullary nerve roots in operation comprises a top mounting seat, wherein four hexagonal connecting columns are longitudinally mounted at the edge of the lower end face of the top mounting seat, the lower ends of the four hexagonal connecting columns are connected to the upper end face of a first position adjusting plate, the lower end of the first position adjusting plate is fixed to the upper end face of a first sliding block, the lower end face of the first sliding block is connected to a track of a first sliding rail in a sliding manner, the lower end of the first sliding rail is fixed to the upper end face of a second position adjusting plate, first side top plates are longitudinally mounted on the left side and the right side of the second position adjusting plate, first spring plungers and first adjusting screws are transversely mounted on the adjacent end faces of the first side top plates on the left side and the right side, the outer ends of the first spring plungers and the first adjusting screws penetrate through the first side top plates and are locked through locking nuts, the lower terminal surface of the second position adjusting plate is fixed on the upper end surface of a second sliding block, the lower terminal surface of the second sliding block is connected on a track of a second sliding rail in a sliding manner, the lower end of the second sliding rail is fixed on the upper end surface of a lower mounting plate, a second side top plate is vertically installed on the front side and the rear side of the lower mounting plate, a second spring plunger and a second adjusting screw are installed on the adjacent end surface of the second side top plate, the outer ends of the second spring plunger and the second adjusting screw penetrate through the second side top plate and are locked through a locking nut, a connecting plate is horizontally installed on the left side of the lower end surface of the lower mounting plate, two alloy connecting columns are vertically installed on the left side of the lower end surface of the connecting plate, the lower ends of the two alloy connecting columns are connected to a small parallel clamp, sensors for cylinders are arranged on the left sides of the front end surface and the rear end surface of the small parallel clamp, the right side of the small parallel clamp is connected with an accessory for a pneumatic clamp, the lower end of the accessory for the pneumatic clamp is clamped by a sleeve, a flexible connecting piece is connected below the sleeve, and the left side and the right side of the lower end of the flexible connecting piece are both connected with shifting plates.

Preferably, the upper and lower both ends of hexagon spliced pole all are provided with the external screw thread pole, the top mount pad with all be provided with evenly distributed's internal thread hole on the first position adjustment board, four equal threaded mounting of hexagon spliced pole in the top mount pad with between the adjacent terminal surface of first position adjustment board.

Preferably, the right side install in proper order by preceding to the back on the panel wall of first side roof first spring plunger with first adjusting screw, the left side install in proper order by preceding to the back on the panel wall of first side roof first adjusting screw with first spring plunger.

Preferably, the second spring plunger and the second adjusting screw are arranged on the wall of the second side top plate from left to right at the front end, and the second adjusting screw and the second spring plunger are arranged on the wall of the second side top plate from left to right at the rear end.

Preferably, the sleeve pipe with dial the board and be flexible material, the sleeve pipe with the left and right sides it is equipped with the arc recess to dial the junction between the board, it is irregular trapezium structure to dial the board.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of protect spinal cord nerve root's device in art can fix the technique or the device of establishing the spinal cord passageway, makes the art person can use at any time, has saved the time that medical personnel passed the cutter to the art person, has avoided the art person in the operation with the tractive of nerve different degree, has improved art person's work efficiency in the operation.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1-top mounting seat, 2-hexagonal connecting column, 3-first position adjusting plate, 4-first sliding block, 5-first sliding rail, 6-second position adjusting plate, 7-first side top plate, 8-first spring plunger, 9-first adjusting screw, 10-locking nut, 11-second sliding block, 12-second sliding rail, 13-lower mounting plate, 14-second side top plate, 15-second spring plunger, 16-second adjusting screw, 17-connecting plate, 18-alloy connecting column, 19-small parallel clamp, 20-sensor for cylinder, 21-accessory for pneumatic clamp, 22-sleeve, 23-soft connecting piece and 24-shifting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device for protecting spinal cord nerve roots in operation comprises a top mounting seat 1, wherein four hexagonal connecting columns 2 are longitudinally arranged on the edge of the lower end face of the top mounting seat 1, the lower ends of the four hexagonal connecting columns 2 are connected to the upper end face of a first position adjusting plate 3, the lower end of the first position adjusting plate 3 is fixed to the upper end face of a first sliding block 4, the lower end face of the first sliding block 4 is connected to a track of a first sliding rail 5 in a sliding manner, the lower end of the first sliding rail 5 is fixed to the upper end face of a second position adjusting plate 6, first side top plates 7 are longitudinally arranged on the left side and the right side of the second position adjusting plate 6, a first spring plunger 8 and a first adjusting screw 9 are transversely arranged on the adjacent end faces of the first side top plates 7 on the left side and the right side, the first spring plunger 8 is also called a ball plunger or a positioning ball/column, a spring is arranged in a screw tooth, and the spring ball plunger should have accurate end face pressure, the spring has reduced fatigue and prolonged service life, and is easy to install. The height of the ball head of each plunger protruding from the plunger body must be uniform. Precise machining control and strict inspection procedures must ensure that the dimensional difference between the projected heights of each plug bulb does not exceed 0.1mm at most. Some specifications can not exceed 0.05mm, the outer ends of a first spring plunger 8 and a first adjusting screw 9 penetrate through a first side top plate 7 and are locked through a locking nut 10, the lower end surface of a second position adjusting plate 6 is fixed on the upper end surface of a second sliding block 11, the lower end surface of the second sliding block 11 is connected on a track of a second sliding rail 12 in a sliding manner, the lower end of the second sliding rail 12 is fixed on the upper end surface of a lower mounting plate 13, second side top plates 14 are longitudinally arranged on the front side and the rear side of the lower mounting plate 13, a second spring plunger 15 and a second adjusting screw 16 are arranged on the adjacent end surfaces of the second side top plates 14 on the front side and the rear side, the first adjusting screw 9 and the second adjusting screw 16 are formed by sleeving a screw through a screw sleeve, the screw sleeve is provided with a longitudinal cutting slot for allowing a clamping flange on the rear section of the screw to penetrate through a first step hole of the screw sleeve, the first step hole can generate elastic deformation to enlarge the aperture of the first step hole, so that the clamping flange can pass through and is limited at the front hole edge of the first step hole after passing through the first step hole, the flange at one end of the rear section of the screw is limited at the rear hole edge of the first step hole, and by the structure, the progressive benefits of easy processing and quick assembly can be achieved, the outer ends of the second spring plunger 15 and the second adjusting screw 16 penetrate through the second side top plate 14 and are locked by the locking nut 10, the left side of the lower end surface of the lower mounting plate 13 is transversely provided with the connecting plate 17, the left side of the lower end surface of the connecting plate 17 is longitudinally provided with two alloy connecting columns 18, the lower ends of the two alloy connecting columns 18 are connected with the small parallel clamp 19, the left sides of the front end surface and the rear end surface of the small parallel clamp 19 are provided with the sensors 20 for the air cylinder, and the right side of the small parallel clamp 19 is connected with the accessories 21 for the pneumatic clamp, the lower end of the accessory 21 for the pneumatic clamp is clamped by a sleeve 22, a flexible connecting piece 23 is connected below the sleeve 22, and the left side and the right side of the lower end of the flexible connecting piece 23 are both connected with shifting plates 24.

Specifically, the upper end and the lower end of each hexagonal connecting column 2 are provided with an external threaded rod, the top mounting seat 1 and the first position adjusting plate 3 are provided with internal threaded holes which are uniformly distributed, and the four hexagonal connecting columns 2 are all arranged between the adjacent end faces of the top mounting seat 1 and the first position adjusting plate 3 in a threaded mode.

Specifically, the first spring plunger 8 and the first adjusting screw 9 are sequentially mounted on the wall of the right first side top plate 7 from front to back, and the first adjusting screw 9 and the first spring plunger 8 are sequentially mounted on the wall of the left first side top plate 7 from front to back.

Specifically, the second spring plunger 15 and the second adjusting screw 16 are disposed on the wall of the front-end second side top plate 14 from left to right, and the second adjusting screw 16 and the second spring plunger 15 are disposed on the wall of the rear-end second side top plate 14 from left to right.

Specifically, sleeve pipe 22 and dial board 24 are flexible material, and sleeve pipe 22 and the left and right sides are dialled the junction between board 24 and are equipped with the arc recess, dial board 24 and be irregular trapezium structure.

The working principle is as follows: the utility model discloses when using, at first fix top mount pad 1 on the support on operation table limit, through adjusting the relative position of first adjusting screw 9 on the first side roof in left side and the first adjusting screw 9 on the first side roof in right side, the jack-up effect through the first spring plunger 8 of the left and right sides can change the position of lower part device X axle, the same thing, the second adjusting screw 16 of adjusting front end second adjusting screw 16 and rear end can change the position of lower part device Y axle, make things convenient for the art person to adjust the device to suitable position before the operation, dial plate 24 can lift up and dial the neural root of a trip to both sides separation along soft connector 23 under the accumulational effect of apparatus, the operation field of vision is clear at this moment can begin the operation.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 device for intraoperative protection of the spinal nerve root, comprising a top mount (1), characterized by: top mount pad (1) is down the edge of terminal surface vertically install four hexagon spliced poles (2), four the lower extreme of hexagon spliced pole (2) all connects in the up end of first position adjusting plate (3), the lower extreme of first position adjusting plate (3) is fixed in the up end of first sliding block (4), the lower terminal surface sliding connection of first sliding block (4) is on the track of first slide rail (5), the lower extreme of first slide rail (5) is fixed in the up end of second position adjusting plate (6), first side roof (7) are all vertically installed to the left and right sides of second position adjusting plate (6), control both sides all transversely install first spring plunger (8) and first adjustment screw (9) on the adjacent terminal surface of first side roof (7), first spring plunger (8) with the outer end of first adjustment screw (9) all runs through first side roof (7) are locked through lock nut (10) and are passed through Tightly, the lower terminal surface of second position adjustment board (6) is fixed in the up end of second sliding block (11), the lower terminal surface sliding connection of second sliding block (11) is on the track of second slide rail (12), the up end of mounting panel (13) is fixed in down to second slide rail (12) lower extreme, all vertically install second side roof (14) in both sides around mounting panel (13) down, both sides around, all install second spring plunger (15) and second adjusting screw (16) on the adjacent terminal surface of second side roof (14), second spring plunger (15) with the outer end of second adjusting screw (16) all runs through second side roof (14) and lock through lock nut (10), connecting plate (17) are transversely installed in the left side of terminal surface under mounting panel (13) down, two alloy connection posts (18) are vertically installed in the left side of terminal surface under connecting plate (17), two the lower extreme of alloy spliced pole (18) all connects in small-size parallel fixture (19), the left side of both ends face is provided with sensor (20) for the cylinder around small-size parallel fixture (19), the right side of small-size parallel fixture (19) is connected with annex (21) for the pneumatic fixture, the lower extreme clamping of annex (21) for the pneumatic fixture is by sleeve pipe (22), the below of sleeve pipe (22) is connected with soft connecting piece (23), the left and right sides of the lower extreme of soft connecting piece (23) all is connected with dials board (24).

2. The apparatus for protecting spinal and medullary nerve roots of claim 1, wherein: the upper and lower both ends of hexagon spliced pole (2) all are provided with the external screw thread pole, top mount pad (1) with all be provided with evenly distributed's internal thread hole on first position adjustment board (3), four equal threaded mounting of hexagon spliced pole (2) in top mount pad (1) with between the adjacent terminal surface of first position adjustment board (3).

3. The apparatus for protecting spinal and medullary nerve roots of claim 1, wherein: and on the right side, the first spring plunger (8) and the first adjusting screw (9) and the left side are sequentially installed from front to back on the plate wall of the first side top plate (7), and the first adjusting screw (9) and the first spring plunger (8) are sequentially installed from front to back on the plate wall of the first side top plate (7).

4. The apparatus for protecting spinal and medullary nerve roots of claim 1, wherein: the front end is provided with second spring plunger (15) and second adjusting screw (16) on the bulkhead of second side roof (14) from left to right, and the rear end is provided with second adjusting screw (16) and second spring plunger (15) on the bulkhead of second side roof (14) from left to right.

5. The apparatus for protecting spinal and medullary nerve roots of claim 1, wherein: sleeve pipe (22) with it is flexible material to dial board (24), sleeve pipe (22) and left and right sides it is equipped with the arc recess to dial the junction between board (24), it is irregular trapezium structure to dial board (24).