CN113081089A

CN113081089A - Operation channel system for minimally invasive spinal microscope

Info

Publication number: CN113081089A
Application number: CN202110501871.1A
Authority: CN
Inventors: 陈太勇; 龙凌丽; 张晗祥; 曹广如; 孔维军
Original assignee: Affiliated Hospital of Zunyi Medical University
Current assignee: Affiliated Hospital of Zunyi Medical University
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-07-09
Anticipated expiration: 2041-05-08
Also published as: CN113081089B

Abstract

The invention discloses an operation channel system for a minimally invasive spinal microscope, which comprises: the operation channel comprises an outer tissue channel and an inner tissue channel, the inner tissue channel is fixedly connected with the outer tissue channel, and a fixing handle is vertically and fixedly arranged on the surface of the outer tissue channel; the inner core comprises a ball head, a ball head handle and a connecting disc, the ball head handle is vertically and fixedly arranged on the surface of the connecting disc, and one end of the ball head handle, far away from the connecting disc, is fixedly connected with the ball head; the dura mater push-away device is used for being matched with the operation channel to push away the dura mater tissue and the nerve root for protection. This passageway is directly laid the passageway and is operated after cutting skin and dark tunica muscularis membrane, reduces the step of expanding the tissue step by step and laying the passageway again, reduces the operation time, combines the dura mater to push away the application of ware in addition, can carry out the operation under the microscope in limited space, avoids damaging the risk of dura mater and nerve root.

Description

Operation channel system for minimally invasive spinal microscope

Technical Field

The invention relates to the technical field of medical surgical instruments, in particular to an operation channel system for a minimally invasive spinal microscope.

Background

In recent years, the minimally invasive technology of spinal surgery has a great progress and becomes a future development direction, compared with the traditional spinal surgery, the minimally invasive technology has the advantages of short operation time, less bleeding in the operation, less postoperative drainage, quick recovery, good spinal stability and the like, a channel is placed after skin and deep fascia are cut for operation before the minimally invasive surgery, then a dura mater push-away device is assembled, dura mater tissues and nerve roots are pushed away for protection, and dura mater and nerve roots are prevented from being damaged in the operation process.

The existing channel needs medical staff to expand tissues step by step in the placing process and then place the channel, so that the steps are more and more complicated, the operation time is prolonged, the operation difficulty is increased, and unnecessary risks are caused.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that medical staff are required to expand tissues step by step and then place a channel in the placing process of the existing channel, so that the number of steps is large, the operation time is increased, the operation difficulty is increased, and unnecessary risks are caused.

In order to achieve the purpose, the invention adopts the following technical scheme:

an operating channel system for a minimally invasive spinal microscope, comprising:

the operation channel comprises an outer tissue channel and an inner tissue channel, the inner tissue channel is fixedly connected with the outer tissue channel, and a fixing handle is vertically and fixedly arranged on the surface of the outer tissue channel;

the inner core comprises a ball head, a ball head handle and a connecting disc, the ball head handle is vertically and fixedly arranged on the surface of the connecting disc, and one end of the ball head handle, far away from the connecting disc, is fixedly connected with the ball head;

the dura mater push-away device is used for being matched with the operation channel to push away the dura mater tissue and the nerve root for protection.

Preferably, a fixing button for taking out the inner core from the operation channel is fixedly arranged on one surface of the connecting disc far away from the ball head handle.

Preferably, the dura mater pusher comprises a fixing ring, a connecting plate and a pushing plate, a sliding opening is formed in the surface of the fixing ring, the connecting plate is slidably mounted in the sliding opening and fixedly mounted with the fixing ring through a connecting assembly, the connecting plate controls the specific position of the connecting plate in the sliding opening through a clamping assembly, and the pushing plate is fixedly mounted at one end of the connecting plate.

Preferably, coupling assembling includes two spring levers and bearing, the bearing is fixed to be cup jointed on the connecting plate, two the spring lever all is located between bearing and the solid fixed ring and both ends respectively with the bearing and the solid fixed ring perpendicular fixed connection of one side that is close to each other.

Preferably, the joint subassembly includes joint part and driver part, a plurality of joint holes have been seted up on the connecting plate surface, the joint part includes the joint pole, the joint pole penetrates one of them joint downthehole joint that forms, driver part is used for removing the joint between joint pole and the joint hole.

Preferably, the driving part comprises a spring, a moving block and a moving plate, the surface of the fixed ring is provided with an installation groove, one end of the spring is vertically and fixedly installed on the bottom wall of the installation groove, the other end of the spring is fixedly connected with the moving block, the moving plate is vertically and fixedly connected with the side wall of the moving block, and the clamping rod is fixedly installed on the upper surface of the moving plate.

Preferably, the length of the cross section of the end of the clamping rod must be smaller than the length of the cross section of the clamping hole.

Preferably, the groove wall in the clamping hole is bonded with an anti-slip layer, and the anti-slip layer is made of rubber.

Preferably, organize outer passageway inboard and be equipped with the screw thread, the lateral wall of connection pad and solid fixed ring all is equipped with the screw thread with organizing the inboard screw thread matched with of outer passageway.

Preferably, the two spring rods are symmetrically arranged.

Compared with the prior art, the invention has the beneficial effects that:

1. the operation channel provided by the invention can be directly placed into the channel provided with the inner core for operation after skin and deep fascia are incised, so that the step of expanding tissues step by step and then placing the channel is reduced, the operation time is reduced, and the operation difficulty is reduced, thereby avoiding some unnecessary risks.

2. The length of the connecting plate in the dura mater ejector cannot be changed, the practicability is low, so that if the range of dura mater tissues and nerve roots needing to be protected is long in the operation process, other dura mater ejectors need to be replaced by workers, the time is spent, and the risk in the operation is increased.

Drawings

FIG. 1 is a schematic perspective view of an operation channel system for a minimally invasive spinal microscope according to the present invention;

FIG. 2 is a schematic perspective view of an operating channel and an inner core of an operating channel system for a minimally invasive spinal microscope according to the present invention;

FIG. 3 is a schematic perspective view of the combination of an operating channel and an epidural space-pushing device in the operating channel system for the minimally invasive spinal microscope according to the invention;

FIG. 4 is a schematic top perspective view of an epidural space opener used in an operation channel system of a minimally invasive spine microscope according to the present invention;

FIG. 5 is a schematic front perspective view of an epidural space opener in an operation channel system for a minimally invasive spinal microscope according to the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 5.

In the figure: the structure comprises a structure outer channel 1, a structure inner channel 2, a fixed handle 3, a ball head 4, a ball head handle 5, a connecting disc 6, a fixed button 7, a fixed ring 8, a connecting plate 9, a push-open plate 10, a sliding opening 11, a spring rod 12, a bearing 13, a clamping hole 14, a clamping rod 15, a spring 16, a moving block 17, a moving plate 18 and a mounting groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a manipulation channel system for minimally invasive spinal microscopy includes:

the operation channel comprises an outer tissue channel 1 and an inner tissue channel 2, the inner tissue channel 2 is fixedly connected with the outer tissue channel 1, and a fixing handle 3 is vertically and fixedly arranged on the surface of the outer tissue channel 1;

the inner core comprises a ball head 4, a ball head handle 5 and a connecting disc 6, the ball head handle 5 is vertically and fixedly arranged on the surface of the connecting disc 6, and one end, far away from the connecting disc 6, of the ball head handle 5 is fixedly connected with the ball head 4;

In the embodiment applying the technical scheme, the operation channel provided by the invention can be directly placed into the channel provided with the inner core for operation after skin and deep fascia are incised, so that the steps of expanding tissues step by step and then placing the channel are reduced, the operation time is reduced, and the operation difficulty is reduced, thereby avoiding some unnecessary risks.

In the preferred technical scheme of this embodiment, a fixing button 7 for taking out the inner core from the operation channel is fixedly installed on one surface of the connecting disc 6 far away from the ball stud handle 5. After the positions of the tissue outer channel 1 and the tissue inner channel 2 are fixed, the inner core can be conveniently and rapidly pulled out of the operation channel by pulling the fixing button 7.

The preferred technical scheme in this embodiment, dura mater pushes away the ware and includes solid fixed ring 8, connecting plate 9 and push away board 10, gu fixed ring 8 surface has seted up sliding opening 11, connecting plate 9 slidable mounting is in sliding opening 11, the diameter of sliding opening 11 and the diameter size of organizing interior passageway 2 are unanimous basically, connecting plate 9 passes through coupling assembling and solid fixed ring 8 fixed mounting, connecting plate 9 passes through the concrete position of joint subassembly control self in sliding opening 11, push away board 10 fixed mounting in the one end of connecting plate 9. When the device is used, the fixing ring 8 is only required to be driven to drive the connecting plate 9 and the push-open plate 10 to extend into the tissue inner channel 2 from the tissue outer channel 1, then the connecting plate 9 is rotated to drive the push-open plate 10 to push away the dura mater tissue and the nerve root for protection, the dura mater and the nerve root are prevented from being damaged in the operation process, and the edges of the connecting plate 9 and the push-open plate 10 are both arc surfaces so as to prevent the tissue from being damaged in the rotation process.

In the preferred technical scheme of this embodiment, coupling assembling includes two spring levers 12 and bearing 13, and bearing 13 is fixed to be cup jointed on connecting plate 9, and two spring levers 12 all are located bearing 13 and solid fixed ring 8 between and both ends perpendicular fixed connection with the one side that bearing 13 and solid fixed ring 8 are close to each other respectively. The spring rod 12 is telescopic, so that when the connecting plate 9 is pushed, the connecting plate 9 can freely slide in the sliding opening 11.

According to the preferable technical scheme in the embodiment, the clamping assembly comprises a clamping component and a driving component, a plurality of clamping holes 14 are formed in the surface of the connecting plate 9, the clamping component comprises a clamping rod 15, the clamping rod 15 penetrates into one of the clamping holes 14 to form clamping, and the driving component is used for releasing the clamping between the clamping rod 15 and the clamping holes 14. When the connecting plate 9 is moved to a proper position, the clamping member can fix the position of the connecting plate 9.

In the preferred technical scheme of this embodiment, the driving part includes a spring 16, a moving block 17 and a moving block 18, an installation groove 19 is formed in the surface of the fixed ring 8, one end of the spring 16 is vertically and fixedly installed on the bottom wall of the installation groove 19, the other end of the spring is fixedly connected with the moving block 17, the moving block 18 is vertically and fixedly connected with the side wall of the moving block 17, and the clamping rod 15 is fixedly installed on the surface of the moving block 18. When the position of the connecting plate 9 needs to be moved, the medical staff pulls the moving plate 18 downwards, the moving plate 18 compresses the spring 16 and carries the moving block 17 to move downwards in the process of moving downwards, so that the clamping rod 15 fixedly connected with the upper surface of the moving plate 18 moves upwards, the clamping rod 15 is pulled out of the clamping hole 14, the connecting plate 9 is pushed to move to a proper position, then the moving plate 18 is released, under the action of the spring 16, at this time, the moving block 17 drives the moving block 18 to return to the original position rapidly, so that the clamping rod 15 moves to the clamping hole 14 corresponding to the clamping position again to form clamping, even if the spring rod 12 pulls the connecting plate 9 under the action of the elastic potential energy of the spring rod, however, the clamping rod 15 is clamped with the clamping hole 14, the side wall of the clamping rod 15 abuts against the hole wall of the clamping hole 14, the connecting plate 9 cannot move at the moment, and the connecting plate 9 can freely stretch and retract according to the working requirement.

In the preferred embodiment, the length of the cross section of the end of the latch rod 15 must be smaller than the length of the cross section of the latch hole 14. Because when the position of connecting plate 9 is fixed, joint pole 15 need get into joint hole 14 this moment, makes self lateral wall offset with joint hole 14 pore wall, if the cross section length of joint pole 15 tip is greater than or equal to the cross section length of joint hole 14, joint pole 15 just can't get into in the joint hole 14 this moment to the concrete position of unable fixed connection plate 9.

In the preferred technical scheme of this embodiment, the inner wall of the clamping hole 14 is bonded with an anti-slip layer made of rubber. The rubber has good elasticity and viscosity, so that the friction force between the surface of the clamping rod 15 and the groove wall of the clamping hole 14 can be increased, and the clamping process is more stable.

According to the preferable technical scheme in the embodiment, the inner side of the tissue outer channel 1 is provided with threads, and the side walls of the connecting disc 6 and the fixing ring 8 are provided with threads matched with the threads on the inner side of the tissue outer channel 1. The mutual cooperation between the screw threads can ensure that the inner core and the dura mater ejector are fixedly installed with the operation channel, thereby ensuring the working stability.

In the preferred technical solution of this embodiment, the two spring rods 12 are symmetrically arranged. The two spring rods 12 which are symmetrically arranged can ensure that the stress points are symmetrical in the process of pushing the connecting plate 9 to move, so that the moving process of the connecting plate 9 is more stable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. an operation channel system for spine minimally invasive microscope, is characterized in that, comprises:

An operation channel, the operation channel comprises an extra-tissue channel (1) and an intra-tissue channel (2), the intra-tissue channel (2) is fixedly connected with the extra-tissue channel (1), and the surface of the extra-tissue channel (1) is vertical A fixed handle (3) is fixedly installed;

an inner core, the inner core comprises a ball head (4), a ball head handle (5) and a connecting plate (6), the ball head handle (5) is vertically fixed on the surface of the connecting plate (6), the One end of the ball head handle (5) away from the connecting plate (6) is fixedly connected with the ball head (4);

The dura mater pusher is used to cooperate with the operation channel to push the dural tissue and nerve roots away for protection.

2. a kind of operation channel system for spine minimally invasive microscope according to claim 1, is characterized in that, the surface of described connecting disc (6) away from ball handle (5) is fixedly installed with the inner core from Operate the fixing button (7) taken out from the channel.

3. A kind of operation channel system for spine minimally invasive microscope according to claim 1, is characterized in that, described dura mater pusher comprises fixing ring (8), connecting plate (9) and push-opening plate ( 10), a sliding port (11) is provided on the surface of the fixing ring (8), the connecting plate (9) is slidably installed in the sliding port (11), and the connecting plate (9) is connected to the fixing ring ( 8) Fixed installation, the connecting plate (9) controls its specific position in the sliding port (11) through the snap-on assembly, and the pushing plate (10) is fixedly installed at one end of the connecting plate (9).

4. An operation channel system for a spinal minimally invasive microscope according to claim 3, characterized in that, the connecting assembly comprises two spring rods (12) and a bearing (13), the bearing (13) The inner ring is fixedly connected with the surface of the connecting plate (9), and the two spring rods (12) are located between the bearing (13) and the fixing ring (8), and the two ends are respectively connected with the bearing (13) and the fixing ring (8). ) are connected vertically on the side close to each other.

5. An operation channel system for a spinal minimally invasive microscope according to claim 4, characterized in that, the clipping assembly comprises a clipping part and a driving part, and the surface of the connecting plate (9) is provided with multiple There are two clamping holes (14), the clamping member includes a clamping rod (15), the clamping rod (15) penetrates into one of the clamping holes (14) to form a clamping connection, and the driving member is used for Release the clamping connection between the clamping lever (15) and the clamping hole (14).

6. An operation channel system for a spine minimally invasive microscope according to claim 5, characterized in that, the driving component comprises a spring (16), a moving block (17) and a moving plate (18), the An installation groove (19) is formed on the surface of the fixing ring (8), one end of the spring (16) is vertically fixed and installed on the bottom wall of the installation groove (19), and the other end is fixedly connected with the moving block (17). The plate (18) is vertically and fixedly connected with the side wall of the moving block (17), and the clamping rod (15) is fixedly installed on the upper surface of the moving plate (18).

7. An operation channel system for a spinal minimally invasive microscope according to claim 5, characterized in that, the cross-sectional length of the end of the clamping rod (15) must be smaller than the transverse length of the clamping hole (14). Section length.

8. An operation channel system for a spinal minimally invasive microscope according to claim 5, characterized in that, an anti-skid layer is adhered to the inner groove wall of the snap hole (14), and the anti-skid layer is made of rubber.

9. A kind of operation channel system for spine minimally invasive microscope according to claim 3, is characterized in that, the inner side of described extra-tissue channel (1) is provided with thread, and described connecting plate (6) and fixing ring ( The side walls of 8) are all provided with threads which are matched with the inner threads of the extra-tissue channel (1).

10. An operation channel system for a spine minimally invasive microscope according to claim 4, wherein the two spring rods (12) are symmetrically arranged.