CN219289639U

CN219289639U - Puncture instrument guide bracket for minimally invasive spinal surgery

Info

Publication number: CN219289639U
Application number: CN202321415706.5U
Authority: CN
Inventors: 刘建新
Original assignee: Chengdu Bright Biological Technology Co ltd
Current assignee: Chengdu Bright Biological Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-07-04
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a guide bracket for a puncture instrument in a minimally invasive spinal surgery, relates to the technical field of medical instruments, and solves the problem that the puncture and forming instrument is easy to deviate and needs auxiliary guide fixation due to the fact that muscle tissue strength cannot be effectively fixed. A spine minimally invasive surgery puncture instrument guide bracket, which comprises a free fixed arm; the upper part of the free fixed arm is provided with a snake-shaped arm; the upper part of the snake-shaped arm is provided with a clamping module; the head end of the clamping module is provided with a combined sleeve; the free fixed arm bottom fixedly connected with fixing base down, fixing base lower part sliding connection has down fixed splint, and the rotation of lower fixed splint top is provided with connecting screw rod, connecting screw rod middle part and fixing base afterbody spiro union down. The free fixing arm and the snake-shaped arm support the combined sleeve together, so that the fixing and guiding functions of the puncture instrument for the minimally invasive spinal surgery are provided, and the combined sleeve provides temporary fixing for the puncture and forming instrument.

Description

Puncture instrument guide bracket for minimally invasive spinal surgery

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a puncture appliance guide bracket for minimally invasive spinal surgery.

Background

With the vigorous development of minimally invasive spinal surgery, various surgical operations, particularly posterior spinal and lateral posterior surgery, are the mainstream, including lateral and posterior surgery with an intervertebral foramen mirror, decompression and fusion surgery under a large channel endoscope, and various spinal puncture interventional operations.

One common step in these procedures, such as the various spinal procedures, is to puncture and create a passageway, where the puncture and shaping instrument needs to be temporarily secured against deflection, particularly in elderly patients, where the muscle strength is weak, and where the muscle strength is not effectively secured, resulting in the easy deflection of the puncture and shaping instrument and the need for additional guiding and securing, a guide bracket for the puncture and shaping instrument is needed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a puncture instrument guide bracket for minimally invasive spinal surgery, which aims to solve the problems that in minimally invasive spinal surgery, the puncture position needs to be repeatedly checked through perspective to prevent the deflection direction, the puncture instrument is temporarily fixed through muscles of patients, but muscle tissue strength of some old patients is weak or the muscle tissue strength of some lean patients cannot be effectively fixed, so that the puncture and forming instrument can deflect, and auxiliary guide fixation is needed, so that the guide bracket for the puncture and forming instrument is needed.

The utility model discloses a guiding bracket for a minimally invasive spinal surgical puncture instrument, which is prepared by the following specific technical means:

a spine minimally invasive surgery puncture instrument guide bracket, which comprises a free fixed arm; the upper part of the free fixed arm is provided with a snake-shaped arm; the upper part of the snake-shaped arm is provided with a clamping module; the head end of the clamping module is provided with a combined sleeve; the free fixed arm bottom fixedly connected with fixing base down, fixing base lower part sliding connection has down fixed splint, and lower fixed splint top rotation is provided with connecting screw, and connecting screw middle part and lower fixing base afterbody spiro union, free fixed arm run through sliding connection with last free armed lever afterbody, and last free armed lever afterbody spiro union has a tight screw in top, goes up free armed lever run through sliding connection and has last connection slide tube.

Further, the middle part spiro union of going up the connection slide has a tight screw in top, goes up the tight screw tail end in top connection slide and goes up the contact of free armed lever, goes up the tight screw tail end in top free armed lever tail end and the contact of free fixed arm, and lower fixing base and the bed board between the fixed splint clamp down accomplish fixed operation, go up the free armed lever and slide along the free fixed arm and adjust the height, go up the connection slide and slide along last free armed lever and adjust front and back position.

Further, the upper groove connecting block is fixedly arranged at the top end of the snake-shaped arm, the middle part of the upper groove connecting block is slidably provided with the middle wedge-shaped clamping block, the tail end of the middle wedge-shaped clamping block is fixedly provided with the supporting spring, the tail end of the supporting spring is fixedly connected with the upper groove connecting block, and the tail end of the snake-shaped arm is in threaded connection with the upper connecting slide tube.

Further, the lower connecting block is fixed at the bottom of the clamp module, the split pressing block is arranged in the middle of the lower connecting block in a sliding mode, the upper clamp plate is connected with the upper clamp plate in a rotating mode, the tail portion of the upper clamp plate is connected with the tail rotating plate in a rotating mode, and the tail rotating plate at the tail portion of the upper clamp plate is connected with the tail screw in a rotating mode.

Further, the tail of the clamping module is rotationally connected with a tail rotating plate, the tail rotating plate at the tail of the clamping module is in threaded connection with the lower part of a tail screw, and the lower part of the tail screw is in threaded connection with the tail rotating plate to axially adjust the distance between the clamping module and the tail end of the upper clamping plate.

Further, upper groove connecting block top recess and lower connecting block slip grafting, well wedge fixture block and lower connecting block slip block, split press piece and well wedge fixture block sliding contact, well wedge fixture block rear portion vertical face block lower connecting block.

Further, the head ends of the upper clamp plate and the clamp module are clamped at the upper part and the lower part of the combined sleeve, the inner side of the combined sleeve is sleeved with another smaller combined sleeve in a sliding manner, the combined sleeve is of a structure with a C-shaped cross section, the protruding block on the outer side of the combined sleeve is narrower than the opening of the C shape, the combined sleeve is divided into multiple stages, the large-stage combined sleeve can be sleeved outside the small-stage combined sleeve, and the cross section of each-stage combined sleeve adopts the C-shaped design.

The utility model at least comprises the following beneficial effects:

1. the spine minimally invasive surgery puncture instrument passes through the combined sleeve to perform surgery, the free fixed arm and the snake-shaped arm jointly support the combined sleeve, the combined sleeve provides fixing and guiding functions for the spine minimally invasive surgery puncture instrument, the combined sleeve provides temporary fixing for the puncture and forming instrument, and the situation of deviation direction is avoided.

2. The utility model adjusts the height and the front and back positions through the upper free arm rod and the upper connecting slide tube, and adapts to puncture angles through multi-directional adjustment by matching with the bending of the snake-shaped arm, and adapts to support and fixation of different puncture angles.

3. The combined sleeve synchronous small first-size combined sleeve of the utility model can fix instruments with different diameters, and the spine minimally invasive surgery often needs to replace small-diameter instruments with large-diameter instruments, and the C-shaped opening design can conveniently take out the combined sleeve inside and retain the combined sleeve outside.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model in use.

Fig. 2 is a schematic cross-sectional structure of the upper groove connection block of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view of the jaw module structure of the present utility model.

Fig. 5 is a schematic view of a split structure of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a free fixed arm; 101. a lower fixing seat; 102. a lower fixing splint; 103. a connecting screw; 104. an upper free arm; 105. tightly pushing the screw; 106. the upper part is connected with a slide tube; 2. a serpentine arm; 201. an upper groove connecting block; 202. a middle wedge-shaped clamping block; 203. a support spring; 3. a jaw module; 301. a lower connecting block; 302. splitting the blocks; 303. an upper clamp plate; 304. a tail rotor plate; 305. a tail screw; 4. a combined sleeve.

Description of the embodiments

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples: as shown in fig. 1 to 5:

the utility model provides a spine minimally invasive surgery puncture instrument guide bracket, which comprises a free fixed arm 1; the bottom end of the free fixed arm 1 is fixedly connected with a lower fixed seat 101, the lower part of the lower fixed seat 101 is slidably connected with a lower fixed clamping plate 102, the top of the lower fixed clamping plate 102 is rotatably provided with a connecting screw 103, the middle part of the connecting screw 103 is in threaded connection with the tail part of the lower fixed seat 101, the tail parts of the free fixed arm 1 and an upper free arm rod 104 are in penetrating sliding connection, the tail part of the upper free arm rod 104 is in threaded connection with a jacking screw 105, and the upper free arm rod 104 is in penetrating sliding connection with an upper connecting slide tube 106; the upper part of the free fixed arm 1 is provided with a snake-shaped arm 2, the top end of the snake-shaped arm 2 is fixedly provided with an upper groove connecting block 201, the middle part of the upper groove connecting block 201 is slidably provided with a middle wedge-shaped clamping block 202, the tail end of the middle wedge-shaped clamping block 202 is fixedly provided with a supporting spring 203, the tail end of the supporting spring 203 is fixedly connected with the upper groove connecting block 201, the tail end of the snake-shaped arm 2 is in threaded connection with an upper connecting slide tube 106, the snake-shaped arm 2 can bend in multiple directions to adjust angles, the multiple directions of the adjustment angles adapt to puncture angles, and the support and the guide of different puncture angles are adapted;

the upper part of the snake-shaped arm 2 is provided with a clamping module 3, the bottom of the clamping module 3 is fixedly provided with a lower connecting block 301, the middle part of the lower connecting block 301 is slidably provided with a splitting pressing block 302, a groove at the top of the upper groove connecting block 201 is slidably connected with the lower connecting block 301, a middle wedge-shaped clamping block 202 is slidably clamped with the lower connecting block 301, the splitting pressing block 302 is slidably contacted with the middle wedge-shaped clamping block 202, the vertical surface at the rear part of the middle wedge-shaped clamping block 202 clamps the lower connecting block 301 to finish the fixation of the lower connecting block 301 and the upper groove connecting block 201, the upper part of the clamping module 3 is rotationally connected with an upper clamping plate 303, the tail part of the upper clamping plate 303 is rotationally connected with a tail rotating plate 304, the tail rotating plate 304 at the tail part of the clamping module 3 is rotationally connected with a tail screw 305, the lower part of the tail screw 305 is axially adjusted by the tail screw 304, and the distance between the tail screw 303 is axially adjusted, and the clamping module 3 and the upper clamping plate 303 are rotationally driven to clamp and unclamp the combined sleeve 4; the head end of the clamping module 3 is provided with a combined sleeve 4.

The middle part of the upper connecting sliding tube 106 is in threaded connection with a jacking screw 105, the tail end of the jacking screw 105 in the middle part of the upper connecting sliding tube 106 is in contact with the upper free arm rod 104, the tail end of the jacking screw 105 in the tail part of the upper free arm rod 104 is in contact with the free fixed arm 1, the lower fixed seat 101 and the lower fixed clamp 102 clamp the bed plate between the two, the fixing operation is completed, the upper free arm rod 104 slides along the free fixed arm 1 to adjust the height, the upper connecting sliding tube 106 slides along the upper free arm rod 104 to adjust the front and back positions, the upper free arm rod 104 and the upper connecting sliding tube 106 slide to adjust the positions and jack the fastening positions through the jacking screw 105, and the upper free arm rod 104 and the upper connecting sliding tube 106 adjust the height and the front and back positions.

The upper clamp plate 303 and the head end of the clamp module 3 are clamped at the upper part and the lower part of the combined sleeve 4, the inner side of the combined sleeve 4 is sleeved with another smaller combined sleeve 4 in a sliding manner, the combined sleeve 4 is of a structure with a C-shaped cross section, the protruding block on the outer side of the combined sleeve 4 is narrower than the opening of the C shape, the protruding block on the outer side of the combined sleeve 4 is convenient for people to guide out, and the C-shaped opening design can facilitate taking out the inner combined sleeve 4 and reserving the outer combined sleeve 4.

Specific use and action of the embodiment:

in the utility model, a connecting screw 103 rotates to axially move along threads, the connecting screw 103 drives a lower fixed clamping plate 102 to synchronously move upwards, a lower fixed seat 101 and a lower fixed clamping plate 102 clamp a bed plate, fixing operation is completed, an upper free arm rod 104 slides along a free fixed arm 1 to adjust the height, an upper connecting sliding tube 106 slides along the upper free arm rod 104 to adjust the front and back positions, an upper free arm rod 104 and an upper connecting sliding tube 106 slide to adjust the positions and top-fastened positions through a jacking screw 105, a screw bolt at the top of the upper connecting sliding tube 106 is in threaded connection with the bottom end of a snake-shaped arm 2, the snake-shaped arm 2 is of a conventional bracket structure, the snake-shaped arm 2 can be bent in multiple directions to adjust angles, the multiple adjusting angles adapt to puncture angles, the combined sleeve 4 is divided into multiple stages, a large-stage combined sleeve 4 can be sleeved outside a small-stage combined sleeve 4, the cross section of each stage of combined sleeve 4 adopts a C-shaped design, the small sleeve is taken out of the large sleeve more conveniently than the C-shaped design to accommodate instruments with larger diameters, the combined sleeve 4 is supported by a free fixed arm 1 and a snake-shaped arm 2 together, the combined sleeve 4 provides fixing and guiding functions for the spinal minimally invasive surgical puncture instrument, the combined sleeve 4 provides temporary fixing for the puncture and forming instrument, the situation of offset direction is avoided, the combined sleeve is suitable for old patients, muscle tissue strength of the old patients is weak, and puncture and forming instruments of other patients with special weakness are temporarily fixed and supported and guided;

the combined sleeve 4 is synchronously sleeved with the small first combined sleeve 4, so that the combined sleeve 4 can be fixed aiming at instruments with different diameters, the small-diameter instruments are frequently replaced by large-diameter instruments in the minimally invasive spine surgery, and the C-shaped opening design can facilitate the taking out of the inner combined sleeve 4 and the reservation of the outer combined sleeve 4 by pulling the convex blocks on the outer side of the combined sleeve 4; the clamping module 3 and the upper clamping plate 303 form a clamping structure, the clamping module 3 and the upper clamping plate 303 form a U-shaped structure, so that larger holding force is obtained when the clamping module 3 and the upper clamping plate 303 are clamped, the lower part of the tail screw 305 and the tail rotating plate 304 are in threaded connection with axial adjustment intervals, the clamping module 3 and the upper clamping plate 303 are driven to rotate to clamp and loosen the combined sleeve 4, the lower connecting block 301 slides into a groove at the top of the upper groove connecting block 201, when the front inclined surfaces of the lower connecting block 301 and the middle wedge clamping block 202 are contacted, the inclined surfaces guide the middle wedge clamping block 202 to retreat towards the tail part and compress the supporting spring 203, after the lower connecting block 301 is completely inserted into the groove at the top of the upper groove connecting block 201 in a sliding manner, the supporting spring 203 supports the middle wedge clamping block 202 and the middle groove in a sliding manner, the rear vertical surface of the middle wedge clamping block 202 clamps the lower connecting block 301, the lower connecting block 301 is fixed, when the split pressing block 302 is required to move towards the side of the middle wedge clamping block 202, the split pressing block 302 is pushed to contact the front inclined surfaces of the middle wedge clamping block 202, the split pressing block 202 and the middle wedge clamping block 202 are pushed to contact the front inclined surfaces of the split pressing block 202, and the split pressing block 202 can be separated from the lower wedge clamping block 202, and the upper wedge clamping block 201 can be detached more conveniently, and the upper connecting block 201 can be detached and detached, and the upper clamping block 3 can be detached conveniently.

Claims

1. The utility model provides a puncture instrument guide bracket for minimally invasive spinal surgery which is characterized in that: the guiding bracket of the spinal minimally invasive surgery puncture instrument comprises a free fixed arm (1); the upper part of the free fixed arm (1) is provided with a snake-shaped arm (2); the upper part of the snake-shaped arm (2) is provided with a clamping module (3); the head end of the clamping module (3) is provided with a combined sleeve (4); fixing base (101) under free fixed arm (1) bottom fixedly connected with, fixing base (101) lower part sliding connection has down fixed splint (102), and lower fixed splint (102) top rotation is provided with connecting screw rod (103), connecting screw rod (103) middle part and fixing base (101) afterbody spiro union down, and free fixed arm (1) and last free armed lever (104) afterbody run through sliding connection go up free armed lever (104) afterbody spiro union has tight screw (105) in top, goes up free armed lever (104) run through sliding connection and has last connection slide tube (106).

2. The guiding bracket for the spinal minimally invasive surgery puncture instrument according to claim 1, wherein the middle part of the upper connecting sliding tube (106) is in threaded connection with a jacking screw (105), the tail end of the jacking screw (105) of the middle part of the upper connecting sliding tube (106) is contacted with an upper free arm rod (104), and the tail end of the jacking screw (105) of the tail part of the upper free arm rod (104) is contacted with a free fixed arm (1).

3. The guiding bracket for the minimally invasive spinal surgical puncture instrument according to claim 1, wherein an upper groove connecting block (201) is fixedly arranged at the top end of the serpentine arm (2), a middle wedge-shaped clamping block (202) is slidably arranged in the middle of the upper groove connecting block (201), a supporting spring (203) is fixedly arranged at the tail end of the middle wedge-shaped clamping block (202), the tail end of the supporting spring (203) is fixedly connected with the upper groove connecting block (201), and the tail end of the serpentine arm (2) is in threaded connection with an upper connecting slide tube (106).

4. A spinal minimally invasive surgery puncture instrument guide bracket according to claim 3, wherein a lower connecting block (301) is fixed at the bottom of the jaw module (3), a split pressing block (302) is slidably arranged in the middle of the lower connecting block (301), an upper jaw (303) is rotatably connected to the upper portion of the jaw module (3), a tail rotating plate (304) is rotatably connected to the tail of the upper jaw (303), and a tail screw (305) is rotatably connected to the tail rotating plate (304) of the tail of the upper jaw (303).

5. The guiding bracket for the spinal minimally invasive surgery puncture instrument according to claim 4, wherein the tail part of the jaw module (3) is rotatably connected with a tail rotating plate (304), and the tail rotating plate (304) at the tail part of the jaw module (3) is in threaded connection with the lower part of a tail screw rod (305).

6. The guiding bracket for the spinal minimally invasive surgery puncture instrument according to claim 5, wherein the top groove of the upper groove connecting block (201) is slidably connected with the lower connecting block (301), the middle wedge-shaped clamping block (202) is slidably clamped with the lower connecting block (301), and the split pressing block (302) is slidably contacted with the middle wedge-shaped clamping block (202).

7. The guiding bracket for the spinal minimally invasive surgery puncture instrument according to claim 4, wherein the upper forceps holder plate (303) and the head end of the forceps holder module (3) are clamped at the upper part and the lower part of the combined sleeve (4), the inner side of the combined sleeve (4) is sleeved with another combined sleeve (4) with a smaller size in a sliding manner, and the combined sleeve (4) is of a structure with a C-shaped cross section.