Auxiliary tool for spinal surgery
By designing an auxiliary tool for spinal surgery, the difficulties of wire wire sawing and cutting in spinal surgery are solved, and the rapid, accurate and safe operation is achieved, and spinal cord injury is avoided.
Patent Information
- Application Number
- CN202421835358.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In spinal surgery, the lack of auxiliary tools makes it difficult to penetrate and cut the wire wire saw, which cannot ensure rapid surgery and accurate resection, which can easily cause spinal cord damage and poor surgical results.
A spinal surgery auxiliary tool is designed, including two handles, guide seats, slides, locking screws and other components. Through the combination of these components, it can guide the penetration and cutting process of the wire saw, and control the cutting depth to ensure the accuracy and safety of the surgery.
This tool can ensure quick surgery and accurate removal, avoid spinal cord injuries, improve surgical results, and provide better operational control and safety.
Smart Images
Figure CN222765211U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical instruments, in particular to a spinal surgery auxiliary tool. Background Art
[0002] The spine is the axial skeleton of the human body and the pillar of the body. It has functions such as weight-bearing, shock absorption, protection and movement. When the spine is diseased or injured, it may affect our walking, standing, and even basic functions of daily life. The purpose of spinal surgery is to repair these damaged structures. During the operation, the intervertebral disc needs to be removed, the vertebrae need to be cut and replaced. During the cutting process, a wire saw is needed to cut the spine. When using the wire saw, it is necessary to bypass the spine and then pull back and forth with both hands to cut. There is a lack of auxiliary tools during the operation, and the surgical position is narrow, making it difficult to guide the wire saw through. Then the cutting is done only by manual experience and strength, which makes it impossible to ensure fast surgery, accurate resection and force control, which can easily cause spinal cord injury and poor surgical results. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a spinal surgery auxiliary tool that can provide guidance for the threading and cutting process of the wire saw and can control the cutting depth, thereby ensuring fast surgery and accurate resection, avoiding spinal cord damage, having good surgical effects, and effectively solving the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spinal surgery auxiliary tool, comprising a handle 1;
[0005] Handle 1: There are two of them. The lower end of the handle 1 is movably connected with a guide seat. The lower end of the inner wall of the guide seat is provided with a guide groove. The two guide grooves are connected in a U shape. The middle part of the guide seat is slidably connected with a slide seat. The slide seat is located above the guide groove. The middle part of the guide seat is threadedly connected with a locking screw. The locking screw is matched with the through hole in the middle of the slide seat. A locking column is provided in the middle of the left handle 1, and a locking seat is provided in the middle of the right handle 1. The locking seat and the locking column are detachably connected. During spinal surgery, it can provide guidance for the threading and cutting process of the wire saw and control the cutting depth, which can ensure fast surgery and accurate resection, avoid spinal cord damage, and have a good surgical effect.
[0006] Furthermore, it also includes positioning pins, which are symmetrically arranged on the right side surface of the lower end of the left guide seat, and the positioning pins are movably connected to the right guide seat. The upper end of the right guide seat is provided with symmetrically distributed plugs, and the plugs are movably connected to the left guide seat to facilitate the connection and positioning of the two guide seats.
[0007] Furthermore, the locking seat includes a connecting seat, a 7-shaped pressure head and a spring sheet. The connecting seat is arranged in the middle of the handle on the right side. The locking column is movably connected to the connecting seat. The right end of the connecting seat is rotatably connected to the 7-shaped pressure head through a rotating shaft. The lower end of the 7-shaped pressure head is matched with the locking column. The spring sheet is arranged at the right end of the upper surface of the connecting seat. The right end of the spring sheet is matched with the right end of the 7-shaped pressure head to facilitate the locking of the locking column.
[0008] Furthermore, the locking seat also includes a pressing handle, which is rotatably connected to the middle part of the connecting seat through a second rotating shaft. The left end of the pressing handle extends to below the right end of the 7-shaped pressure head, so as to facilitate the control of the opening of the locking column.
[0009] Furthermore, it also includes a stripping knife, which includes a handle and a blade head. The handle is located on the left side of the locking column, the lower end of the handle is provided with a blade head, the lower end of the blade head is provided with a cutting edge, and the angle between the back of the blade head and the handle is an obtuse angle, which is convenient for cutting off the residual part.
[0010] Furthermore, it also includes a single-sided rope guide, which includes a handle 2, an L-shaped tube and a U-shaped tube. The handle 2 is located on the left side of the knife handle. The middle part of the handle 2 is penetrated by an L-shaped tube, and the front end of the L-shaped tube is provided with a U-shaped tube to facilitate the guidance of the wire saw.
[0011] Furthermore, it also includes a commutator, which includes handle three and rollers. Handle three is located on the left side of handle two. The lower end of handle three is rotatably connected to the symmetrically distributed rollers. The axis lines of the two rollers are coaxial to provide guidance for the wire saw.
[0012] Compared with the prior art, the beneficial effects of the utility model are: the spinal surgery auxiliary tool has the following advantages:
[0013] Insert the two guide seats from both sides of the spine to the bottom of the spine, then plug the locating pin into the guide seat on the right, and plug the plug into the guide seat on the left. The two guide seats will form a closed ring. At the same time, insert the locking column into the connecting seat. The spring sheet presses down the right end of the 7-shaped pressure head, and then the 7-shaped pressure head will generate a clockwise rotation force. The 7-shaped pressure head presses the locking column, thereby limiting the left movement of the locking column. The two handles and the guide seats form an integral structure, and then use a small wire saw to enter the guide groove from top to bottom from the slide on one side, and then the wire saw passes along the guide groove from under the spine, and then passes through the slide on the other side from bottom to top, and then tighten the locking screw. The locking screw will The wire saw is pressed onto the slide, and then one person holds the handle with both hands, while making the wire saw correspond to the position of the intervertebral disc, and then the other person holds the wire saw and performs reciprocating motion to cut the intervertebral disc. The wire saw drives the slide to slide back and forth along the long slide hole of the guide seat, thereby providing guidance for the wire saw to avoid deviation. When the upper end of the slide moves to the top of the long slide hole, the wire saw will no longer move upward, thereby controlling the cutting depth of the wire saw to avoid overcutting. During spinal surgery, the wire saw can provide guidance for the insertion and cutting process, and can control the cutting depth, thereby ensuring rapid surgery, accurate resection, avoiding spinal cord damage, and achieving good surgical results. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is an enlarged structural diagram of the utility model at A;
[0016] Figure 3 This is an enlarged structural diagram of the utility model at B;
[0017] Figure 4 It is a schematic diagram of the enlarged structure of point C of the utility model.
[0018] In the figure: 1 handle 1, 2 locking column, 3 locking seat, 31 connecting seat, 32 7-shaped pressure head, 33 spring sheet, 34 pressing handle, 4 guide seat, 5 guide groove, 6 positioning pin, 7 plug, 8 slide seat, 9 locking screw, 10 stripping knife, 101 knife handle, 102 knife head, 11 single-side rope guide, 111 handle 2, 112 L-shaped tube, 113 U-shaped tube, 12 commutator, 121 handle 3, 122 roller. DETAILED DESCRIPTION
[0019] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.
[0020] See also Figure 1-4The present embodiment provides a technical solution: a spinal surgery auxiliary tool, comprising a handle 1; there are two handles 1, and the lower ends of the handles 1 are movably connected with guide seats 4. The two guide seats 4 are inserted from both sides of the spine to the bottom of the spine. The lower ends of the inner side walls of the guide seats 4 are provided with guide grooves 5. The two guide grooves 5 are connected in a U shape. The middle parts of the guide seats 4 are slidably connected with slide seats 8. The slide seats 8 are located above the guide grooves 5. The two handles 1 and the guide seats 4 form an integral structure, and then a fine wire saw is used to enter the guide groove 5 from top to bottom from the slide seat 8 on one side, and then the wire saw passes along the guide groove 5 from the bottom of the spine, and then passes through the slide seat 8 on the other side from bottom to top. The middle parts of the guide seats 4 are threaded with locking screws. 9. The locking screw 9 is matched with the through hole in the middle of the slide 8. Tighten the locking screw 9, and the locking screw 9 presses the wire saw onto the slide 8. One person holds the handle 1 with both hands, and makes the wire saw correspond to the position of the intervertebral disc. Then the other person holds the wire saw and performs reciprocating motion to cut the intervertebral disc. The wire saw drives the slide 8 to slide back and forth along the long slide hole of the guide seat 4, so as to provide guidance for the wire saw to avoid deviation. When the upper end of the slide 8 moves to the top of the long slide hole, the wire saw will no longer move upward, so as to control the cutting depth of the wire saw. A locking column 2 is provided in the middle of the left handle 1, and a locking seat 3 is provided in the middle of the right handle 1. The locking seat 3 is detachably connected to the locking column 2, and also includes a positioning Pin 6, the positioning pin 6 is symmetrically arranged on the right side surface of the lower end of the left guide seat 4, the positioning pin 6 is movably connected with the right guide seat 4, the upper end of the right guide seat 4 is provided with symmetrically distributed plugs 7, the plugs 7 are movably connected with the left guide seat 4, the positioning pin 6 is plugged into the right guide seat 4, the plug 7 is plugged into the left guide seat 4, the two guide seats 4 will form a closed ring body, the locking seat 3 includes a connecting seat 31, a 7-shaped pressure head 32 and a spring sheet 33, the connecting seat 31 is arranged in the middle of the handle 1 on the right side, the locking column 2 is movably connected with the connecting seat 31, the right end of the connecting seat 31 is rotatably connected with the 7-shaped pressure head 32 through a rotating shaft, the lower end of the 7-shaped pressure head 32 is matched with the locking column 2, and the spring sheet 33 is arranged on the connecting seat The right end of the upper surface of 31, the right end of the spring sheet 33 is matched with the right end of the 7-shaped pressure head 32, the locking column 2 is inserted into the connecting seat 31, the spring sheet 33 presses down the right end of the 7-shaped pressure head 32, and then the 7-shaped pressure head 32 generates a clockwise rotating force, the 7-shaped pressure head 32 presses the locking column 2, and then limits the left movement of the locking column 2, the locking seat 3 also includes a pressing handle 34, the pressing handle 34 is rotatably connected to the middle part of the connecting seat 31 through the rotating shaft 2, the left end of the pressing handle 34 extends to the bottom of the right end of the 7-shaped pressure head 32, pressing the pressing handle 34 to tilt the right end of the 7-shaped pressure head 32, the 7-shaped pressure head 32 releases the locking column 2, and then the two guide seats 4 can be separated and removed from the bottom of the spine, and also includes a stripping knife 10,The stripping knife 10 includes a knife handle 101 and a knife head 102. The knife handle 101 is located on the left side of the locking column 2. The knife head 102 is provided at the lower end of the knife handle 101. The lower end of the knife head 102 is provided with a cutting edge. The knife handle 101 is held, and the knife head 102 is inserted into the gap of the spine to remove and strip the intervertebral disc. The front end of the knife head 102 is arc-shaped so as not to hurt other tissues. The angle between the back of the knife head 102 and the knife handle 101 is an obtuse angle, which is convenient for cutting and applying force. The single-side rope guide 11 includes a handle 111, an L-shaped tube 112 and a U-shaped tube 113. The handle 111 is located on the left side of the knife handle 101. The middle of the handle 111 is penetrated by the L-shaped tube 112. The front end of the L-shaped tube 112 is provided with a U-shaped tube 113. The handle 111 is held to rotate the end of the U-shaped tube 113 horizontally around the spine for half a circle, so that the cutting part of the spine will be located at the bending part of the U-shaped tube 113, and then the steel wire is cut. The wire saw is inserted from the top of the L-shaped tube 112, and the wire saw moves along the inner holes of the L-shaped tube 112 and the U-shaped tube 113, and extends from the end of the U-shaped tube 113, and then the L-shaped tube 112 and the U-shaped tube 113 are removed, and the wire saw stays in one circle of the spine cutting position, and the two ends of the wire saw are led out from the same side, and also includes a commutator 12, the commutator 12 includes a handle three 121 and a roller 122, the handle three 121 is located on the left side of the handle two 111, and the lower end of the handle three 121 is rotatably connected to the symmetrically distributed rollers 122, and the axis lines of the two rollers 122 are coaxial, and the handle three 121 is held, and the two ends of the wire saw are respectively aligned with the grooves on the outer arc surfaces of the two rollers 122, and the wire saw bypasses the rollers 122, and then the two ends of the wire saw can be pulled back and forth from the top to achieve cutting, and the rollers 122 guide and position the wire saw to prevent the wire saw from deviating left and right or shaking up and down. ,
[0021] The working principle of the spinal surgery auxiliary tool provided by the utility model is as follows: first, the patient is placed in a prone position to expose the back, and then the skin is opened to expose the spine, and the two guide seats 4 are inserted from both sides of the spine to the bottom of the spine, and then the positioning pin 6 is plugged into the right guide seat 4, and the plug 7 is plugged into the left guide seat 4, and the two guide seats 4 will form a closed ring body, and at the same time, the locking column 2 is inserted into the connecting seat 31, and the spring sheet 33 presses down the right end of the 7-shaped pressure head 32, and then the 7-shaped pressure head 32 generates a clockwise rotating force, and the 7-shaped pressure head 32 presses the locking column 2, thereby limiting the leftward movement of the locking column 2, and the two handles 1 and the guide seat 4 After forming an overall structure, a fine wire saw is used to enter the guide groove 5 from top to bottom from the slide 8 on one side, and then the wire saw passes along the guide groove 5 from under the spine, and then passes through the slide 8 on the other side from bottom to top, and then the locking screw 9 is tightened, and the locking screw 9 presses the wire saw onto the slide 8, and then one person holds the handle 1 with both hands, and at the same time makes the wire saw correspond to the position of the intervertebral disc, and then the other person grasps the wire saw to perform reciprocating motion to cut the intervertebral disc, and the wire saw drives the slide 8 to slide back and forth along the long slide hole of the guide seat 4, thereby providing guidance for the wire saw to avoid deviation, when the upper end of the slide 8 moves to the top of the long slide hole. When the wire saw is cut, the wire saw will no longer move upward, so the cutting depth of the wire saw can be controlled to avoid overcutting. Then, the locking screw 9 is loosened, the wire saw is pulled out from one side, and then the pressing handle 34 is pressed to tilt the right end of the 7-shaped pressure head 32. The 7-shaped pressure head 32 loosens the locking column 2, so that the two guide seats 4 can be separated and moved away from the bottom of the spine. Then, the handle 101 is held, and the blade 102 is inserted into the gap of the spine to remove and peel off the intervertebral disc. The front end of the blade 102 is arc-shaped and does not hurt other tissues. When cutting the spine, the handle 111 is held to rotate the end of the U-shaped tube 113 half a circle around the spine horizontally, so that the cutting part of the spine will be located at the U-shaped tube 1 13, and then insert the wire saw from above the L-shaped tube 112, the wire saw moves along the inner holes of the L-shaped tube 112 and the U-shaped tube 113, and extends from the end of the U-shaped tube 113, and then the L-shaped tube 112 and the U-shaped tube 113 are removed, the wire saw stays in one circle of the spine cutting position, the two ends of the wire saw are led out from the same side, and then the handle 3 121 is held, and the two ends of the wire saw are respectively matched with the grooves on the outer arc surfaces of the two rollers 122, and the wire saw goes around the rollers 122, and then the two ends of the wire saw can be pulled back and forth above to achieve cutting, and the rollers 122 guide and position the wire saw to prevent the wire saw from deviating left and right or shaking up and down.
[0022] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A spinal surgery auxiliary tool, characterized in that: Including a handle one (1); Handle 1 (1): There are two of them. The lower end of each handle 1 (1) is movably connected to a guide seat (4). The lower end of the inner wall of the guide seat (4) is provided with a guide groove (5). The two guide grooves (5) are connected to form a U shape. The middle part of the guide seat (4) is slidably connected to a slide seat (8). The slide seat (8) is located above the guide groove (5). The middle part of the guide seat (4) is threadedly connected to a locking screw (9). The locking screw (9) is matched with the through hole in the middle part of the slide seat (8). The middle part of the left handle 1 (1) is provided with a locking column (2). The middle part of the right handle 1 (1) is provided with a locking seat (3). The locking seat (3) and the locking column (2) are detachably connected.
2. A spinal surgery auxiliary tool according to claim 1, characterized in that: It also includes positioning pins (6), which are symmetrically arranged on the right side surface of the lower end of the left guide seat (4), and the positioning pins (6) are all movably connected to the right guide seat (4). The upper end of the right guide seat (4) is provided with symmetrically distributed plugs (7), and the plugs (7) are all movably connected to the left guide seat (4).
3. A spinal surgery auxiliary tool according to claim 1, characterized in that: The locking seat (3) comprises a connecting seat (31), a 7-shaped pressing head (32) and a spring sheet (33); the connecting seat (31) is arranged at the middle part of the right-hand handle (1); the locking column (2) is movably connected to the connecting seat (31); the right end of the connecting seat (31) is rotatably connected to the 7-shaped pressing head (32) via a rotating shaft (1); the lower end of the 7-shaped pressing head (32) is matched with the locking column (2); the spring sheet (33) is arranged at the right end of the upper surface of the connecting seat (31); and the right end of the spring sheet (33) is matched with the right end of the 7-shaped pressing head (32).
4. A spinal surgery auxiliary tool according to claim 3, characterized in that: The locking seat (3) further comprises a pressing handle (34), which is rotatably connected to the middle part of the connecting seat (31) via a second rotating shaft, and the left end of the pressing handle (34) extends to below the right end of the 7-shaped pressing head (32).
5. The spinal surgery auxiliary tool according to claim 1, characterized in that: The stripping knife (10) also comprises a stripping knife (10), the stripping knife (10) comprising a knife handle (101) and a knife head (102), the knife handle (101) being located on the left side of the locking column (2), the knife head (102) being provided at the lower end of the knife handle (101), the knife head (102) being provided at the lower end of the knife head (102), the angle between the back of the knife head (102) and the knife handle (101) being an obtuse angle.
6. A spinal surgery auxiliary tool according to claim 5, characterized in that: The invention also comprises a single-sided rope guide (11), the single-sided rope guide (11) comprising a second handle (111), an L-shaped tube (112) and a U-shaped tube (113), the second handle (111) being located on the left side of the handle (101), the middle part of the second handle (111) being provided with an L-shaped tube (112), and the front end of the L-shaped tube (112) being provided with a U-shaped tube (113).
7. A spinal surgery auxiliary tool according to claim 6, characterized in that: The invention also comprises a commutator (12), wherein the commutator (12) comprises a handle three (121) and rollers (122), wherein the handle three (121) is located on the left side of the handle two (111), and the lower end of the handle three (121) is rotatably connected to the symmetrically distributed rollers (122), and the axis lines of the two rollers (122) are coaxial.