Spinal endoscope with localizable working sleeve

By designing a spinal endoscope that can be positioned with the working sleeve, and adjusting the sleeve position using the button structure and elastic components, the problem of difficult disassembly and assembled working sleeves and intervertebral foramen lens components in the prior art is solved, and convenient disassembly and assembly is achieved and the operating space is increased, and the surgical effect is improved.

WO2025160891A1PCT designated stage Publication Date: 2025-08-07PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY) +1

Patent Information

Application Number
PCT/CN2024/075248
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-02-01
Filing Date
2024-02-01
Publication Date
2025-08-07

AI Technical Summary

Technical Problem

In existing spinal endoscopes, the working sleeve and the intervertebral foraminicular components cannot be disassembled and installed at the same time, resulting in large incisions, large trauma, and insufficient operating space.

Method used

A spinal endoscope that can be positioned with the working sleeve is designed, and the removable connection between the working sleeve and the intervertebral foramen lens assembly is achieved through the positioning connection assembly, the sleeve position is adjusted using the button structure and elastic components, and locking is achieved through the positioning pin.

Benefits of technology

It realizes convenient disassembly and assemble the working sleeve and intervertebral foramen, reduces surgical incisions, increases operating space, facilitates cleaning and disinfection, and improves surgical accuracy and recovery efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a spinal endoscope localized with a localizable working sleeve, comprising: a transforaminal endoscope assembly, a working sleeve movably connected to the transforaminal endoscope assembly, and a localization / connection assembly configured for fixing the transforaminal endoscope assembly and the working sleeve. A fixation block is arranged on the transforaminal endoscope assembly, and a lens channel is arranged through the fixation block. A handle is fixed to the circumference of the working sleeve proximal to the transforaminal endoscope assembly. The end of the lens channel distal to the transforaminal endoscope assembly extends into the working sleeve, while the outer arc surface of the lens channel is in close fit with the inner surface of the working sleeve. The localization / connection assembly is fixed to the lens channel. When the localization / connecting assembly is pressed, the working sleeve can be moved in the length direction of the lens channel. When the working sleeve is adjusted to a proper position, the localization / connection assembly is released to fix the working sleeve. According to the present invention, the position of the transforaminal endoscope in the working sleeve can be adjusted, facilitating convenient localization. The working sleeve and the transforaminal endoscope can be easily assembled and disassembled, thus facilitating cleaning and disinfection. The close fit of the surfaces makes the transforaminal endoscope occupy a minimum working space, so as to reserve maximum operation space in the working channel, thus facilitating surgical operation.
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Description

A spinal endoscope capable of being positioned with a working sleeve Technical Field

[0001] The present invention relates to the technical field of spinal endoscopes, and in particular to a spinal endoscope capable of being positioned with a working sleeve. Background Art

[0002] Minimally invasive spinal surgery (MISS) technology has achieved rapid development and has been widely used and recognized in the industry, bringing good news to millions of patients with spinal diseases around the world. This technology is about to lead the trend of future development in the field of spinal surgery. MISS technology requires spinal surgeons to use special surgical instruments and devices through the smallest possible surgical incision, with the assistance of imaging equipment, to complete the entire surgical process in order to reduce the incision, reduce tissue trauma and bleeding, improve operational accuracy and efficacy, and promote postoperative recovery. However, the working sleeve and the percutaneous endoscopic assembly in existing spinal endoscopes cannot be disassembled and assembled at will, and the working channel has a large diameter, which causes a large incision and trauma to the human body.

[0003] Summary of the Invention

[0004] In response to the shortcomings of the prior art, the present invention aims to provide a spinal endoscope that can be positioned with a working sleeve, allowing for adjustment of the position of the intervertebral foraminal endoscope within the working sleeve, making positioning easy, and allowing the working sleeve and intervertebral foraminal endoscope to be easily removed and installed, making cleaning and disinfection convenient. The endoscope fits perfectly with the working sleeve, maximizing the operating space for surgical tools. To achieve the above-mentioned purpose and other advantages of the present invention, a spinal endoscope that can be positioned with a working sleeve is provided, comprising:

[0005] A foraminal endoscopic component, a working sleeve movably connected to the foraminal endoscopic component, and a positioning connection component for fixing the foraminal endoscopic component and the working sleeve;

[0006] The intervertebral foraminal endoscope assembly is provided with a fixing block, and a scope tube passes through the fixing block;

[0007] A gripping piece is fixedly connected to the outer periphery of the working sleeve near the intervertebral foraminal endoscope assembly, and one end of the endoscope tube away from the intervertebral foraminal endoscope assembly extends into the working sleeve;

[0008] The positioning connector is fixed to the endoscope tube. When the positioning connector is pressed, the working sleeve can be moved along the length of the endoscope tube. When the working sleeve is adjusted to the appropriate position, the positioning connector is released to fix the working sleeve. The endoscope tube is inserted into the working sleeve and is tightly attached to the inner wall of the working sleeve.

[0009] Preferably, the positioning connection assembly includes a hole mirror plus a fixed connecting sleeve, a positioning bar fixed on the fixed block, a button structure sleeved on the positioning bar and an elastic component fixed on the button structure, one end of the elastic component is fixed to the button structure, and the other end is in conflict with the endoscope tube.

[0010] Preferably, the button structure includes a button component and a socket block fixed to the button component, a through hole is opened in the middle part of the socket block, a positioning bar passes through the through hole, an elastic component is fixed on the end face of the socket block away from the button component, and a positioning pin is fixed to the elastic component of the socket block.

[0011] Preferably, the positioning bar is provided with a plurality of evenly distributed positioning holes along the length direction; the positioning pin is located on the socket block and extends toward the button component, so that one end of the positioning pin is flush with the surface of the socket block and the other end is located in the through hole, and the positioning pin matches the positioning hole.

[0012] Preferably, one end of the positioning bar is fixedly connected to the fixing block, and the other end is spaced apart from the holding piece, and the button structure moves along the length direction of the positioning bar.

[0013] Preferably, the elastic component is two springs, and when force is applied to the elastic component, the distance value generated when the elastic component is deformed is the same as the length of the positioning pin extending in the through hole.

[0014] Compared with the prior art, the present invention has the following beneficial effects: by pressing the button component, the positioning pin can be disengaged from the through hole in the positioning horizontal bar. At this time, the working sleeve can be moved to the required position, and then the button component is released. At this time, the positioning pin can be inserted into another through hole in the positioning horizontal bar to achieve positioning and locking of the working sleeve. After use, the workbench cover and the intervertebral foraminal endoscope can be disassembled by continuously pressing the button component, which is convenient for disinfection and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] FIG1 is a schematic diagram of the three-dimensional structure of a spinal endoscope that can be positioned with a working sleeve according to the present invention;

[0016] FIG2 is a schematic diagram of the three-dimensional structure of a spinal endoscope capable of being positioned with a working sleeve according to the present invention, without the hole mirror and the fixed connection sleeve;

[0017] FIG3 is a schematic diagram of the specific structure of the positioning and connecting assembly of the spinal endoscope that can be positioned with the working sleeve according to the present invention;

[0018] FIG4 is a schematic diagram of a three-dimensional handpiece of a spinal endoscope with a borescope and a fixed connection sleeve that can be positioned with a working sleeve according to the present invention;

[0019] FIG5 is a schematic diagram of the three-dimensional structure of the spinal endoscope that can be positioned with the working sleeve according to the present invention, with the working sleeve removed. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] 1-5, a spinal endoscope that can be positioned with a working sleeve includes: a foraminal lens assembly 10, a working sleeve 20 movably connected to the foraminal lens assembly 10, and a positioning connection assembly 30 for fixing the foraminal lens assembly 10 and the working sleeve 20. The outer wall of the foraminal lens in the foraminal lens assembly 10 is fitted on the inner wall of the working sleeve 20, so that the foraminal lens assembly 10 has the maximum operating space for surgical tools when working; the foraminal lens assembly 10 is provided with a fixing block 11, and the fixing block 11 is provided on the foraminal lens assembly 10. 1 is penetrated by a scope tube 12; a grip 21 is fixedly connected to the outer periphery of the working sleeve 20 near the foraminal endoscope assembly 10, and the end of the scope tube 12 away from the foraminal endoscope assembly 10 extends into the working sleeve 20; a positioning connection assembly 30 is fixedly connected to the scope tube 12. When the positioning connection assembly 30 is pressed, the working sleeve 20 can be moved along the length of the scope tube 12. When the working sleeve 20 is adjusted to the appropriate position, the positioning connection assembly 30 is released to fix the working sleeve 20. The positioning connection assembly 30 is used to adjust the distance between the working sleeve 20 and the foraminal endoscope assembly 10, making it convenient for the doctor to adjust the position of the scope in the working sleeve 20 during the operation.

[0022] Furthermore, the positioning connection assembly 30 includes a hole mirror plus fixed connection sleeve 35, a positioning horizontal bar 31 fixed to the fixed block 11, a button structure 32 sleeved on the positioning horizontal bar 31 and an elastic component 33 fixed on the button structure 32, the hole mirror plus fixed connection sleeve 35 includes an annular sleeve 315 for sleeved on the working sleeve 20 and an arc-shaped channel 353 for extending the endoscope pipe 12, and a through-hole 352 is provided in the middle part of the hole mirror plus fixed connection sleeve 35. A positioning bar 31 is inserted into the hole 352. The foraminal mirror plus fixed connecting sleeve 35 has a mounting hole near the button component 321. The mounting hole is used to install the button structure 32. The foraminal mirror plus fixed connecting sleeve 35 is arranged between the working sleeve 20 and the intervertebral foraminal mirror assembly 10 to fix the working sleeve 20. When the working sleeve 20 moves, the foraminal mirror plus fixed connecting sleeve 35 is also driven to move. One end of the elastic component 33 is fixed to the button structure 32, and the other end contacts the endoscope tube 12. The button structure 32 includes a button component 321 and a socket block 322 fixed to the button component 321. The socket block 322 has a through hole in the middle, and the positioning bar 31 extends through the through hole. The elastic component 33 is fixed to the end surface of the socket block 322 away from the button component 321. A positioning pin 34 is fixed to the socket block 322 located at the elastic component 33. The positioning bar 31 is provided with a plurality of evenly distributed positioning holes along its length. A positioning pin 34 is located on the socket block 322 and extends toward the button component 321, so that one end of the positioning pin 34 is flush with the surface of the socket block 322 and the other end is located in the through hole. The positioning pin 34 matches the positioning hole. When the position of the endoscope needs to be adjusted, the positioning pin 34 is removed from the through hole of the positioning bar 31 by pressing the button component 321. At this time, the button component 321 is pressed and held, and the working sleeve 20 is moved toward the transforaminal endoscope assembly 10. When the working sleeve 20 reaches the desired position for the operation, the button component 321 is released. At this time, the positioning pin 34 is aligned with the corresponding positioning hole on the positioning bar 31. The distance between each positioning hole is the same. Each time the positioning pin 34 is moved to a positioning hole, the position gear is adjusted accordingly. Multiple positioning holes can be skipped in one movement. When the positioning pin 34 falls into the positioning hole, the working sleeve 20 is locked in position.

[0023] Furthermore, one end of the positioning bar 31 is fixed to the fixing block 11 , and the other end is spaced apart from the holding member 21 , and the button structure 32 moves along the length direction of the positioning bar 31 .

[0024] Furthermore, the elastic component 33 is two springs, and when force is applied to the elastic component 33, the distance value generated when the elastic component 33 is deformed is the same as the length of the positioning pin 34 extending in the through hole, so that when the button component 321 is pressed, the positioning pin 34 can be disengaged from the through hole, facilitating the displacement of the working sleeve 20.

[0025] The number of devices and processing scales described herein are intended to simplify the description of the present invention, and applications, modifications, and variations of the present invention will be apparent to those skilled in the art.

[0026] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A spinal endoscope capable of positioning with a working sleeve, characterized in that: include: A foraminal endoscopic component (10), a working sleeve (20) movably connected to the foraminal endoscopic component (10), and a positioning connection component (30) for fixing the foraminal endoscopic component (10) and the working sleeve (20); The intervertebral foraminal endoscope assembly (10) is provided with a fixing block (11), and a endoscopic tube (12) passes through the fixing block (11); A gripping member (21) is fixedly connected to the outer periphery of the working sleeve (20) near the intervertebral foraminal endoscope assembly (10), and an end of the endoscope tube (12) away from the intervertebral foraminal endoscope assembly (10) extends into the working sleeve (20), and the endoscope tube (12) is inserted into the working sleeve (20) and is in close contact with the inner wall of the working sleeve (20); The positioning connection component (30) is fixed to the endoscope tube (12). When the positioning connection component (30) is pressed, the working sleeve (20) can be moved along the length direction of the endoscope tube (12). When the working sleeve (20) is adjusted to an appropriate position, the positioning connection component (30) is released to fix the working sleeve (20).

2. A spinal endoscope capable of positioning with a working sleeve as claimed in claim 1, characterized in that: The positioning connection assembly (30) comprises a hole mirror plus a fixed connection sleeve (35), a positioning horizontal bar (31) fixed on the fixed block (11), a button structure (32) sleeved on the positioning horizontal bar (31), and an elastic component (33) fixed on the button structure (32), one end of the elastic component (33) is fixed to the button structure (32), and the other end contacts the endoscope tube (12).

3. A spinal endoscope capable of positioning with a working sleeve as claimed in claim 2, characterized in that: The button structure (32) comprises a button component (321) and a sleeve block (322) fixedly connected to the button component (321); a through hole is provided in the middle portion of the sleeve block (322); a positioning bar (31) passes through the through hole; an elastic component (33) is fixedly connected to the end surface of the sleeve block (322) away from the button component (321); and a positioning pin (34) is fixedly connected to the sleeve block (322) at the elastic component (33).

4. A spinal endoscope capable of positioning with a working sleeve as claimed in claim 3, characterized in that: The positioning bar (31) is provided with a plurality of positioning holes evenly distributed along the length direction; the positioning pin (34) is located on the sleeve block (322) and extends toward the button component (321), so that one end of the positioning pin (34) is flush with the surface of the sleeve block (322) and the other end is located in the through hole, and the positioning pin (34) matches the positioning hole.

5. A spinal endoscope capable of positioning with a working sleeve as claimed in claim 4, characterized in that: One end of the positioning bar (31) is fixedly connected to the fixed block (11), and the other end is spaced apart from the holding piece (21), and the button structure (32) moves along the length direction of the positioning bar (31).

6. A spinal endoscope capable of positioning with a working sleeve as claimed in claim 5, characterized in that: The elastic component (33) is two springs, and when force is applied to the elastic component (33), the distance value generated when the elastic component (33) is deformed is the same as the length of the positioning pin (34) extending in the through hole.

Citation Information

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    CN114209270A

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