CN220876824U - Dura mater suspension type spine micro-channel and channel establishment system - Google Patents

Abstract

The utility model discloses a dura mater suspension type spine micro-channel and a channel establishing system, which comprise a channel pipe with two open ends and a connecting handle, wherein the first end of the channel pipe is connected with the connecting handle, the outer wall of the channel pipe is provided with external threads, the side wall close to the second end of the channel pipe is also provided with a suspension notch, the suspension notch is positioned below the external threads, the dura mater tension at the cut part is increased after the dura mater is suspended, and the dura mater hemostasis effect is improved by increasing the cut tension.

Description

Dura mater suspension type spine micro-channel and channel establishment system

Technical Field

The utility model relates to the field of medical instruments, in particular to an ultra-dura mater suspension type micro-channel and a channel establishment system in a minimally invasive spine operation.

Background

In minimally invasive spinal surgery, most surgery requires local enlargement of the surgical site under a microscope or endoscope, with sufficient exposure to clear vision for the surgical procedure through the microchannels. At present, the micro-channels are designed in a blade-expanding mode, and the risk of traction and damage to paraspinal muscles and nerves is high. At present, the micro-channel is mostly designed into a straight pipe body, and the front end is a shield-shaped cutting edge. The muscle is easy to fall off under the extrusion state, and the dura mater in the tube body is difficult to retract and expose the operation visual field. The current mode is that the suture is pulled to two sides of the micro-channel to be fixed after the dura mater is cut, see patent CN 202123242648.4, and the defects of the mode are as follows:

1. the pulling distance is too long;

2. The extension force is not well mastered;

3. The angle is a right angle, so that the surgical vision is easy to relax and shade;

4. the suture is fixed outside the channel, and the change of the micro-channel angle can influence the condition that the exposed state of the dura mater is excessively stretched, so that the postoperative suture is not facilitated.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a dura mater suspension type spine micro-channel and a channel establishment system.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

In a first aspect, an embodiment of the present utility model provides a dura mater suspension spine micro-channel, including a channel tube with two open ends and a connection handle, a first end of the channel tube is connected to the connection handle, an external thread is disposed on an outer wall of the channel tube, and a suspension notch is further disposed on a side wall near a second end of the channel tube, where the suspension notch is located below the external thread.

As a further technical scheme, the hanging notch comprises a plurality of groups, and each group of hanging notch comprises two notches.

As a further technical scheme, the dura mater suspension type spine micro-channel is made of stainless steel matte material or PEEK material.

As a further technical scheme, the channel pipe has a plurality of different length specifications, and the channel pipe with each length specification has a plurality of different inner diameter specifications.

In a second aspect, the present utility model discloses a channel creation system comprising the dura mater-suspended spinal micro-channel described above;

As a further technical solution, the channel establishing system further comprises an expansion sleeve.

As a further technical scheme, the expansion sleeve comprises a sleeve core and a sleeve, the sleeve comprises a multistage sleeve, one stage of sleeve is sleeved on the sleeve core, the outer diameters of the other stages of sleeve are gradually increased, and the sleeves are sequentially sleeved.

As a further technical scheme, the tail part of the sleeve core is provided with threads.

As a further technical scheme, the handheld end of the multistage sleeve is provided with threads.

As a further technical solution, the channel-establishing system further comprises a clamping adapter, wherein the clamping adapter is clamped on the connecting handle of the dura mater suspension type spine micro-channel.

The beneficial effects of the embodiment of the utility model are as follows:

The utility model hangs the dura mater on two sides of the micro-channel through the suture line and hangs through the opening of the micro-channel in a Chinese character 'ri': 1. the surgical field is better exposed, and the surgical operation is convenient to perform; 2. after the dura mater is hung, the tension of the dura mater at the incision is increased, and the hemostasis effect of the dura mater is improved by increasing the tension of the incision; 3. before the suspension type channel is used, the instrument is needed to be used for fixation of the dura mater in the operation of the channel, so that the operation treatment is further carried out.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic illustration of an dural-suspended spinal microchannel as partially disclosed in an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a sleeve partially disclosed in an embodiment of the present utility model;

FIG. 3 is a schematic illustration of a clip-on adapter and sleeve partially disclosed in an embodiment of the present utility model;

In the figure: 1 micro channel, 11 channel tube, 12 connecting handle, 13 external screw thread, 14 hanging notch, 15 fixing slot;

2 sleeves, 21 tube cores and 22 sleeves; 23 threads;

3 clamping the adapter.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also are intended to include the plural forms unless the present utility model clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

As described in the background art, the present utility model provides a dura mater suspension-type spinal micro-channel and a channel establishing system for solving the above technical problems.

In an exemplary embodiment of the present utility model, as shown in fig. 1, an dura mater suspension type spine micro-channel 1 is provided, which comprises a channel tube 11 with two open ends and a connecting handle 12, wherein a first end of the channel tube 11 is connected with the connecting handle 12, an external thread 13 is arranged on an outer wall of the channel tube 11, the external thread 13 and muscle texture squeeze to increase friction force and stability, and a suspension notch 14 is further arranged on a side wall close to a second end of the channel tube, and the suspension notch 14 is positioned below the external thread 13.

As a further technical solution, the channel tube 11 is a cylindrical channel, which is integrally formed with the connecting handle 12, and a fixing slot 15 is disposed at the rear of the connecting handle 12, and the fixing slot 15 is connected with the clamping adapter 3.

As a further technical solution, the hanging gaps 14 in this embodiment include four groups, where the four groups of hanging gaps 14 are respectively located at the front, rear, left and right sides of the channel pipe 11, each group of hanging gaps 14 includes two gaps, and the shapes of the gaps can be square, circular, etc., and specifically set according to actual needs.

As a further technical scheme, the dura mater suspension spine micro-channel is made of stainless steel matte material or PEEK material for one-time use, and is specifically selected according to actual conditions.

As a further technical solution, the channel tube 11 has a plurality of different length specifications, and the channel tube of each length specification has a plurality of different inner diameter specifications.

In a second aspect, the present utility model discloses a channel creation system comprising an epidural suspension spinal micro channel 1, an expansion cannula 2 and a clamping adapter 3 as described above.

As a further technical solution, the expansion sleeve 2 in the present embodiment includes a sleeve core 21 and a sleeve 22, the sleeve 22 includes a multistage sleeve, and the outer diameter of the multistage sleeve 22 gradually increases; in the embodiment, the sleeve 22 comprises five stages, the primary sleeve 22 is sleeved on the sleeve core 21, and the secondary sleeve is sleeved on the primary sleeve; the third-level sleeve is sleeved on the second-level sleeve, the fourth-level sleeve is sleeved on the third-level sleeve, the fifth-level sleeve is sleeved on the fourth-level sleeve, one end of the fifth-level sleeve is flush, the other end of the first-level sleeve 22 extends out of the second-level sleeve, and external threads are arranged on the extending part; the other end of the secondary sleeve extends out of the primary sleeve, and external threads are arranged on the extending part; the other end of the third-level sleeve extends out of the second-level sleeve, and external threads are arranged on the extending part; the other end of the fourth-stage sleeve extends out of the third-stage sleeve, and external threads are arranged on the extending part; the other end of the fifth-stage sleeve extends out of the fourth-stage sleeve, and external threads are arranged on the extending part; the purpose of arranging external threads on each stage of sleeve is mainly to facilitate handholding.

What needs to be further explained is: the length of each stage of sleeve can be set according to the needs, and the number of the sleeves can also be set according to the needs.

As a further technical solution, the tail of the sleeve core 21 is also provided with threads 23, mainly for facilitating the holding.

As a further technical solution, the material of the expansion sleeve 2 may be a reusable stainless steel matte material or a disposable PEEK material.

As a further technical scheme, the clamping adapter 3 is clamped on the connecting handle of the dura mater suspension type spine micro-channel, and can be a pneumatic arm clamping adapter or an electric flexible shaft clamping adapter, which is specifically designed according to practice.

The specific use method of the device is as follows:

In the micro-channel spine operation assisted by the endoscope and the microscope image, a obturator and an expansion sleeve are firstly adopted to reach an operation position step by step, when the expansion space is enough for operation, the expansion sleeve at the last stage is pulled out, and is replaced by a channel with the same inner diameter size to rotate into human tissues, meanwhile, the rest expansion sleeve and sleeve core are taken out completely, the tail end of the channel is clamped by an electric clamping device or a pneumatic arm clamping device fixed by a bedside, and the operation is finished after the fixation. Under the influence of an intra-channel microscope and an endoscope, the dura mater is cut, and the dura mater is retracted and sewed on the suspension gaps in four directions in the channel by using a suture, so that the complete exposure of the operation visual field is completed.

Finally, it is pointed out that relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a dura mater suspension formula backbone microchannel, its characterized in that includes open passageway pipe in both ends and joint lever, the first end of passageway pipe link to each other with the joint lever, be provided with the external screw thread on the outer wall of passageway pipe, and still be provided with on the lateral wall that is close to the second end of passageway pipe and suspend the breach in midair, suspend the breach in midair and be located the external screw thread below.

2. The dural-suspended spinal microchannel of claim 1, wherein the suspension indentations comprise a plurality of sets, each set comprising two indentations.

3. The dura mater-suspended spinal microchannel of claim 1, wherein the dura mater-suspended spinal microchannel is a stainless steel matte material or a PEEK material.

4. The dural-suspended spinal micro-channel of claim 1, wherein the channel tube has a plurality of different length gauges, and wherein the channel tube of each length gauge has a plurality of different inner diameter gauges.

5. A channel creation system comprising the dura mater-suspended spinal micro-channel of any one of claims 1-4.

6. The channel-building system of claim 5, further comprising an expansion sleeve.

7. The channel-building system according to claim 6, wherein the expansion sleeve comprises a sleeve core and a sleeve, the sleeve comprises a plurality of stages of sleeves, one stage of sleeve is sleeved on the sleeve core, and the outer diameters of the rest stages of sleeve are gradually increased and sleeved in sequence.

8. The channel-building system of claim 7, wherein the hand-held end of the hub is threaded.

9. The channel-building system of claim 7, wherein the hand-held end of each stage of the cannula is threaded.

10. The channel creation system of claim 5 further comprising a clip adapter that clips onto a stem of an epidural suspension spinal microchannel.