CN217390906U - Spinal endoscope positioning device - Google Patents

Abstract

The application provides a backbone endoscope positioner relates to medical instrument technical field, backbone endoscope positioner, includes: the guide wire penetrates through the punching catheter, and two ends of the guide wire respectively extend out of two ends of the punching catheter; the positioning part is in a long strip shape, the positioning part is provided with through channels in the length direction, the number of the channels is at least two, the perforating guide pipe penetrates through one channel, and two ends of the perforating guide pipe respectively extend out of two ends of the channel; wherein the guidewire is slidable within the perforation catheter and the perforation catheter is slidable within the channel. Effectively solves the technical problems existing in the prior art.

Description

Spine endoscope positioning device

Technical Field

The application relates to the technical field of medical instruments, in particular to a spinal endoscope positioning device.

Background

The minimal invasion is a tiny wound and trauma as the name implies, is a characteristic of the application of modern medical surgical operation treatment, is a technical term, is a technology which only causes the minimal trauma to a patient in the operation treatment process and only leaves the minimal wound after the operation, and is a scientific and technological achievement relative to the traditional operation. Minimally invasive surgery has become the first choice for patients with spinal disorders, and spinal endoscopic surgery has become the mainstream of spinal minimally invasive surgery.

In the minimally invasive spine surgery in the prior art, a channel needs to be created manually so that a spine endoscope can conveniently enter a target spot surgery position to perform the next surgical operation. In order to accurately insert the channel into the target surgical site, the operator needs to perform repeated puncturing according to experience, but in the human body, the last few millimeters of deviation is the most difficult to adjust.

Therefore, further solution to the above technical problems is needed.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a spinal endoscope positioning device, which can be adjusted within a small range when the puncture position is not ideal, to avoid the problem of extending the operation time caused by repeated puncture, and reduce the damage to the patient and the operation difficulty.

In order to solve the above technical problem, the embodiments of the present application provide the following technical solutions:

in one aspect the present application provides a spinal endoscope positioning device comprising:

the guide wire penetrates through the punching catheter, and two ends of the guide wire respectively extend out of two ends of the punching catheter;

the positioning part is in a long strip shape, the positioning part is provided with through channels in the length direction, the number of the channels is at least two, the perforating guide pipe penetrates through one channel, and two ends of the perforating guide pipe respectively extend out of two ends of the channel;

wherein the guidewire is slidable within the perforation catheter and the perforation catheter is slidable within the channel.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

Optionally, the spinal endoscope positioning device, wherein the positioning portion comprises:

the first communicating pipe and the second communicating pipe form two channels, the outer side wall of the first communicating pipe is connected with the outer side wall of the second communicating pipe, and the first end of the first communicating pipe is located in the same plane as the first end of the second communicating pipe.

Optionally, the spine endoscope positioning device is further provided, wherein a distance between the second end of the first communication pipe and the second end of the second communication pipe is 0-15 mm.

Optionally, the positioning device for a spinal endoscope is characterized in that a first annular inclined plane is arranged on the outer side wall of the second end of the first communicating pipe;

the first annular inclined surface inclines to the central axis of the first communication pipe along the direction from the first end to the second end of the first communication pipe.

Optionally, in the spine endoscope positioning device, a second annular inclined surface is arranged on an inner side wall of the second end surface of the first communicating pipe;

the second annular inclined surface inclines to the outer side wall of the first communication pipe along the direction from the first end to the second end of the first communication pipe.

Optionally, the positioning device for a spinal endoscope is provided, wherein the second end of the first communicating tube and the second end of the second communicating tube are located in the same plane.

Optionally, in the positioning device for a spinal endoscope, a force-bearing bottom plate is arranged on an outer side wall of the first end of the positioning part.

Optionally, the spinal endoscope positioning device described above, wherein the first end of the guidewire has a needle tip.

Optionally, the spinal endoscope positioning device is provided with a circular arc-shaped inclined plane at the joint between the first end surface of the perforation guide tube and the outer side wall of the perforation guide tube.

Optionally, the spinal endoscope positioning device described above, wherein the distance between the side wall of the guide wire and the inner side wall of the perforation catheter is 0-0.05 mm;

the distance between the outer side wall of the perforating guide pipe and the inner side wall of the channel of the positioning part is 0-0.05 mm.

Borrow by above-mentioned technical scheme, the utility model discloses backbone endoscope positioner has following advantage at least:

the utility model provides a backbone endoscope positioner, operation doctor puts into the pipe and the seal wire of punching in to the human body earlier, then along the pipe that punches with the inside of human body of location portion, through carrying out the rotation adjustment of small range (360 °) to location portion, so that location portion can fix a position target point operation position, then take out seal wire and the pipe that punches in proper order, and will take out the seal wire and the pipe that punches stretches into the passageway of having fixed a position target point operation position in proper order, and then make the seal wire pinpoint the target point operation position in the human body, the injury that causes the patient is reduced, the pipe that punches carries out artifical channel to the inside of human body builds, backbone endoscope puts into the operation position of target point through the passageway of artificially building at last, in order to carry out subsequent operation step, effectively solved among the prior art, because the position when the seal wire puts into the human body is unsatisfactory, the accurate target point operation position can not be directly reached, and the operation doctor can operate the guide wire according to experience to repeatedly puncture so as to adjust the distance between the guide wire and the target point operation position, thereby prolonging the operation time and causing certain damage to the patient. In addition, after the positioning part accurately positions the surgical target, the surgeon removes the bone hyperplasia in the spine by operating the second end of the first communicating pipe, so that the endoscope can be placed in the surgical target position of the human body through the built ideal channel, the area of the ideal channel in the spine is further enlarged, the pressure in the spine is reduced, and the decompression effect is achieved. When an operator operates the second end of the first communicating pipe to remove the hyperplastic bone, the second end of the first communicating pipe extends into the bone of the spine, and the second end of the second communicating pipe is abutted against the bone outside the spine to form a limiting effect. The structural design can avoid the second end of the first communicating pipe from being placed too deep into the human body, so that the second end of the first communicating pipe can damage the human body.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 schematically illustrates a first perspective structural view of an embodiment of a positioning portion of a spinal endoscopic positioning device;

FIG. 2 schematically illustrates a structural view of a guidewire and a perforation catheter of a spinal endoscopic positioning device;

FIG. 3 schematically illustrates a structural view of a guide wire of a spinal endoscope positioning device;

FIG. 4 schematically illustrates a structural view of another embodiment of a positioning portion of a spinal endoscopic positioning apparatus;

FIG. 5 is a schematic diagram of the construction of a force-bearing base plate of a spinal endoscope positioning device;

FIG. 6 schematically illustrates a second perspective structural view of an embodiment of a positioning portion of a spinal endoscopic positioning device.

The reference numerals in fig. 1-6 are:

the guide wire 1, the perforation catheter 2, the positioning part 3, the positioning rod 31, the first communicating pipe 32, the second communicating pipe 33, the first annular inclined plane 4, the second annular inclined plane 5, the stress bottom plate 6, the needle point 7 and the annular arc-shaped inclined plane 8.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

As shown in fig. 1 to 6, an embodiment of the present invention provides a spinal endoscope positioning device, including:

the guide wire 1 penetrates through the punching catheter 2, and two ends of the guide wire 1 respectively extend out of two ends of the punching catheter 2;

the positioning part 3 is in a long strip shape, the positioning part 3 is provided with through channels in the length direction, the number of the channels is at least two, the perforating guide pipe 2 is arranged in one channel in a penetrating mode, and two ends of the perforating guide pipe 2 extend out of two ends of the channel respectively;

wherein the guide wire 1 is slidable within the perforation catheter 2 and the perforation catheter 2 is slidable within the channel.

Specifically, in minimally invasive spine surgery, a channel needs to be created manually to place the spine endoscope into a target spot surgery position of a human body, the guide wire 1 is used for positioning the target spot surgery position, the perforating guide tube 2 can be smoothly put into the human body by determining the target spot surgery position, an artificial channel is built in the human body, and then the spine endoscope is sent into the target spot surgery position positioned by the guide wire 1 through the artificially built channel.

As shown in fig. 4, the positioning part 3 may be an elongated positioning rod 31, and through channels are provided in the longitudinal direction of the positioning rod 31, wherein at least two channels are provided at intervals. The positioning part 3 is used for determining the target operation position in the human body.

The guide wire 1 is arranged in the punching catheter 2, an operator can hold the guide wire 1 by hand to enable the guide wire 1 to slide in the punching catheter 2, after the punching catheter 2 and the guide wire 1 are together put into a human body, the guide wire 1 can not necessarily directly reach a target point operation position when putting into the human body for the first time, so that the distance between the position where the guide wire 1 is put into the human body and the target point operation position is firstly determined, a positioning rod 31 with a certain specification is selected, the positioning rod 31 is put into the human body along the punching catheter 2, namely, the punching catheter 2 is positioned in one of the channels in the positioning rod 31, then the positioning rod 31 is rotated within a small range (360 degrees) by taking the punching catheter 2 and the guide wire 1 as an axis, so that a certain channel in the positioning rod 31 except the channel taking the axis as a reference can position of the target point operation, at this time, the guide wire 1 in the punching catheter 2 is pulled out, and the guide wire 1 is stretched into the channel in which the target point operation position is positioned, the method comprises the following steps of accurately positioning a target point operation position, then drawing out the punching catheter 2 in a channel serving as an axis in the positioning part 3, lowering the drawn out punching catheter 2 into the channel positioned to the target point operation position along the guide wire 1 again, carrying out artificial channel building on the inside of a human body while lowering the punching catheter 2, and finally lowering the spinal endoscope into the operation position of the target point through the artificially built channel so as to carry out subsequent operation steps.

However, it should be noted that the length of the guide wire 1 is greater than that of the perforation catheter 2, and this structure is designed to allow the operator to hold the guide wire 1 by hand and slide the guide wire 1 in the perforation catheter 2. The length of the perforating catheter 2 is longer than that of the positioning rod 31, and the structure design can enable an operator to hold the perforating catheter 2 by hand to enable the perforating catheter 2 to slide in the channel in the positioning rod 31. The specific lengths of the guide wire 1, the perforation catheter 2 and the positioning rod 31 are not limited in this application, and can be determined by those skilled in the art according to actual needs, such as: the length of the guide wire 1 is 285 mm; the length of the perforating conduit 2 is 265 mm; the length of positioning rod 31 ranges from 237mm to 247 mm. The cooperation of seal wire 1, pipe 2 and location portion 3 three that punches can realize setting up artifical passageway in human inside to carry out the effect of fixing a position to the operation target in the human body.

The guide wire 1, the puncture catheter 2, and the positioning rod 31 may be cylindrical or prismatic. In order to reduce seal wire 1, the harm that causes the human body when punching pipe 2 and locating lever 31 and drop into the human body, damage human internal tissue promptly, therefore, the seal wire 1 of this application, it is cylindric preferably to punch pipe 2 and locating lever 31, wherein, in order to guarantee seal wire 1, the smooth and easy cooperation between pipe 2 and the locating lever 31 three of punching, there is not the jamming phenomenon, so the passageway in the pipe 2 that punches and the passageway in the locating lever 31 all use with seal wire 1 and the pipe 2 phase-match that punches, the passageway in the pipe 2 that punches promptly and the passageway in the locating lever 31 are all preferably cylindric. The guide wire 1, the boring catheter 2, and the positioning rod 31 are all made of martensitic stainless steel (420 stainless steel).

The utility model provides a backbone endoscope positioner, the operation doctor puts into punching pipe 2 and seal wire 1 in the human body earlier, then along punching pipe 2 with location portion 3 go into the inside of human body, through carrying out the rotation adjustment of small range (360 °) to location portion 3, so that location portion 3 can fix a position target point operation position, then take out seal wire 1 and punching pipe 2 in proper order, and will take out seal wire 1 and punching pipe 2 and stretch into the passageway to target point operation position location in proper order, and then make seal wire 1 pinpoint the target point operation position in the human body, the injury that has reduced to the patient, punching pipe 2 carries out artifical passageway to the inside of human body and builds, backbone endoscope puts into the operation position of target point through the passageway of artifical building at last, in order to carry out subsequent operation step, effectively solved among the prior art, because the position of the guide wire 1 when being put into a human body is not ideal, the guide wire 1 cannot directly reach the accurate target point operation position, and an operator can operate the guide wire 1 to repeatedly puncture according to experience so as to adjust the distance between the guide wire 1 and the target point operation position, the operation time is prolonged, and certain damage is caused to a patient.

As shown in fig. 1 and 6, in a specific implementation, the positioning portion 3 includes:

first communicating pipe 32 and second communicating pipe 33, first communicating pipe 32 with second communicating pipe 33 forms two the passageway, the lateral wall of first communicating pipe 32 with the lateral wall of second communicating pipe 33 is connected, just the first end of first communicating pipe 32 with the first end of second communicating pipe 33 is located the coplanar.

Specifically, the positioning portion 3 may also be two communication pipes, and the positioning portion 3 in this application is preferably two communication pipes, which are the first communication pipe 32 and the second communication pipe 33, respectively. Both the inside of the first communication pipe 32 and the inside of the second communication pipe 33 have passages. The length of the perforation conduit 2 is longer than the length of the first communicating pipe 32 and the length of the second communicating pipe 33, and the structural design can facilitate the surgeon to hold the perforation conduit 2 by hand to enable the perforation conduit 2 to slide in the channel of the first communicating pipe 32 or the channel of the second communicating pipe 33. The first end of the first communicating pipe 32 and the first end of the second communicating pipe 33 are located in the same plane, and this structural design can increase the force bearing area of the positioning portion 3, which is convenient for the operating doctor to insert the positioning portion 3 into the inside of the human body.

The outer side wall of the first communicating pipe 32 and the outer side wall of the second communicating pipe 33 are fixedly connected, and the connection mode between the two can be gluing; the welding can also be fixedly connected in a welding mode, and the welding mode is preferably argon arc welding; the first communication pipe 32 and the second communication pipe 33 may be manufactured by an integral molding process. The first communication pipe 32 and the second communication pipe 33 are both made of martensitic stainless steel (420 stainless steel).

The guide wire 1 is arranged in the punching catheter 2, an operator can hold the guide wire 1 by hand to enable the guide wire 1 to slide in the punching catheter 2, after the punching catheter 2 and the guide wire 1 are together put into a human body, the guide wire 1 can not necessarily directly reach a target point operation position when putting into the human body for the first time, so that the distance between the position where the guide wire 1 is put into the human body and the target point operation position is firstly determined, a positioning part 3 with a certain specification is selected, a first communicating pipe 32 or a second communicating pipe 33 is put into the human body along the punching catheter 2, namely, the punching catheter 2 is positioned in a channel of the first communicating pipe 32 or a channel of the second communicating pipe 33, then the punching catheter 2 and the guide wire 1 are taken as axes to carry out small-range (360 DEG) rotation adjustment on the first communicating pipe 32 and the second communicating pipe 33, so that the channel of the second communicating pipe 33 or the channel of the first communicating pipe 32 can position the target point operation, at the moment, the guide wire 1 in the perforating catheter 2 is drawn out, the guide wire 1 is stretched into the channel of the second communicating pipe 33 or the channel of the first communicating pipe 32 which positions the target spot operation position, the target spot operation position is accurately positioned, the perforating catheter 2 in the channel of the first communicating pipe 32 or the channel of the second communicating pipe 33 is drawn out, the drawn perforating catheter 2 is lowered into the channel of the second communicating pipe 33 or the channel of the first communicating pipe 32 along the guide wire 1, the artificial channel building is carried out on the inner part of the human body while the perforating catheter 2 is lowered, finally the spinal endoscope is lowered into the operation position of the target spot through the artificially built channel, further the subsequent operation steps can be carried out, the problem that in the prior art, the guide wire 1 cannot directly reach the accurate target spot operation position because of the position when being lowered into the human body, an operator can repeatedly puncture the guide wire 1 according to experience, so as to adjust the distance between the guide wire 1 and the target operation position, thereby prolonging the operation time and causing certain damage to the patient.

As shown in fig. 1 and 6, in a specific implementation, a distance between the second end of the first communication pipe 32 and the second end of the second communication pipe 33 is 0-15 mm.

Specifically, in the present application, it is preferable that the length of the first communication pipe 32 is greater than the length of the second communication pipe 33, wherein the first end of the first communication pipe 32 and the first end of the second communication pipe 33 are located on the same plane, and a distance between the second end of the first communication pipe 32 and the second end of the second communication pipe 33 is 0-15 mm.

As shown in fig. 1 and 6, in the specific implementation, a first annular inclined surface 4 is arranged on the outer side wall of the second end of the first communication pipe 32; the first annular inclined surface 4 is inclined to the central axis of the first communication pipe 32 along the direction from the first end to the second end of the first communication pipe 32.

Specifically, set up first annular inclined plane 4 on the lateral wall of first connecting pipe 32 second end, first annular inclined plane 4 inclines to the axis of first connecting pipe 32 along the direction that first end of first connecting pipe 32 held to the second, and this structural design can make the second end of first connecting pipe 32 have the effect of cutting edge.

In minimally invasive spine surgery, spinal canals of some patients are narrow, hyperosteogeny is obvious, so that a spine endoscope cannot enter from a built channel or a natural channel, partial sclerotin of an ideal pipeline needs to be cut off by a third-party device, and the endoscope enters a target position of the surgery to perform subsequent surgery steps. In this application, after location portion 3 carried out accurate location to the operation target, the operation doctor rejected the hyperostosis's sclerotin in the backbone through the second end of operation first connecting pipe 32 to guarantee that the endoscope can put into human operation target position through the ideal passageway of putting up, and then enlarge the area of ideal passageway in the backbone, realized reducing spinal internal pressure, in order to reach the effect of decompression. When the second end of the first communicating pipe 32 is operated by the operating physician to remove the proliferated bone, the second end of the first communicating pipe 32 extends into the bone of the spine, and the second end of the second communicating pipe 33 is abutted against the bone outside the spine to form a limiting effect. With the structural design, the second end of the first communicating pipe 32 can be prevented from being placed too deep into the human body, so that the second end of the first communicating pipe 32 can damage the human body.

It should be noted that patients have different body types, fat thicknesses, and bone sizes and thicknesses. Therefore, the patient-adapted positioning portion 3 can be selected according to the actual situation of the patient, as long as the distance between the second end of the first communication pipe 32 and the second end of the second communication pipe 33 is ensured to be in the range of 0-15mm, for example: the length range of the first communicating pipe 32 is 237mm-247 mm; the length range of the second communication pipe 33 is 222mm-232 mm.

The positioning device of the spinal endoscope not only can accurately position the operation position of the target point through the positioning part 3, but also can directly remove the hyperplastic bone in the built ideal channel without a third-party device, and effectively solves the problems in the prior art.

In addition, in order to better improve the effect of placing the second communication pipe 33 into the human body, a chamfer may be provided at a connection between the second end surface of the second communication pipe 33 and the outer side wall of the second communication pipe 33. The structural design can facilitate the second communication pipe 33 to be placed in the human body, so as to prevent the second end of the second communication pipe 33 from scraping the internal tissues of the human body.

As shown in fig. 6, in the specific implementation, a second annular inclined surface 5 is provided on the inner side wall of the second end surface of the first communication pipe 32;

wherein, the second annular inclined surface 5 is inclined to the outer side wall of the first communication pipe 32 along the direction from the first end to the second end of the first communication pipe 32.

Specifically, the second annular inclined surface 5 inclines towards the outer side wall of the first communicating pipe 32 along the direction from the first end to the second end of the first communicating pipe 32, and the structural design can ensure that the second end of the channel in the first communicating pipe 32 is in a bell mouth shape on one hand, when the second end of the first communicating pipe 32 is used for cutting off bone hyperplasia in the spine, the bone enters the channel of the first communicating pipe 32 through the bell mouth, along with the entering of the cut bone, the channel in the first communicating pipe 32 is narrowed, so that the bone cut off in the channel of the first communicating pipe 32 is subjected to certain pressure, and then the bone can be directly taken out together with the positioning part 3, thereby avoiding the bone from being detained in the human body and generating unnecessary risks. On the other hand, the sharpness of the blade at the second end of the first communicating pipe 32 can be improved, and the effect of removing the hyperplastic bone substance by the second end of the first communicating pipe 32 is enhanced.

In an implementation, the second end of the first communication pipe 32 and the second end of the second communication pipe 33 are located in the same plane.

Specifically, the length of the first communication pipe 32 may be the same as the length of the second communication pipe 33, and the length of the first communication pipe 32 may also be different from the length of the second communication pipe 33. Whether the lengths of the positioning part and the positioning part are the same does not influence the effect of accurately positioning the target spot operation position in the human body by the positioning part 3.

As shown in fig. 1, 4-6, in a specific implementation, a force-bearing bottom plate 6 is disposed on an outer side wall of the first end of the positioning portion 3.

Specifically, the setting of atress bottom plate 6 not only can improve the lifting surface area of location portion 3, adds the stress point, and the operation doctor of being convenient for exerts external force and strikes location portion 3, puts into the human body with location portion 3, still can increase the structural strength of the first end of location portion 3.

The positioning part 3 and the stressed bottom plate 6 are fixedly connected, and the connection mode between the positioning part and the stressed bottom plate can be gluing; the welding can also be fixedly connected in a welding mode, preferably argon arc welding; the positioning part 3 and the stressed bottom plate 6 can also be manufactured in an integrated processing mode. The stressed base plate 6 is made of martensite type stainless steel (420 stainless steel). The size of the stressed base plate 6 in the present application is preferably 30 × 20 × 3mm, and the specific size of the stressed base plate 6 may be determined according to practical situations, and the present application is not limited.

As shown in fig. 3, in a specific implementation, the first end of the guide wire 1 has a needle tip 7.

Specifically, the structural design can facilitate the guide wire 1 to be placed in a human body, so as to prevent the guide wire 1 from scratching internal tissues of the human body.

In the embodiment shown in fig. 2, an annular curved bevel 8 is provided at the junction between the first end face of the perforation tube 2 and the outer side wall of the perforation tube 2.

In particular, the structure design can facilitate the perforating catheter 2 to be placed in the human body, so as to prevent the perforating catheter 2 from scraping the internal tissues of the human body.

As shown in fig. 1-6, in a specific implementation, the distance between the side wall of the guide wire 1 and the inner side wall of the perforation catheter 2 is 0-0.05 mm; the distance between the outer side wall of the perforating conduit 2 and the inner side wall of the channel of the positioning part 3 is 0-0.05 mm.

Specifically, this structural design, not only can be convenient for seal wire 1 slide in the pipe 2 that punches and the pipe 2 that punches slide in the passageway of location portion 3, still can avoid too big because of the distance between the lateral wall of seal wire 1 and the inside wall of the pipe 2 that punches and the distance between the lateral wall of the pipe 2 that punches and the inside wall of the passageway of location portion 3, lead to seal wire 1 and punch between the pipe 2 and punch and mix with human internal tissue between pipe 2 and the location portion 3, and then the phenomenon that produces certain injury to the human body takes place.

It should be noted that, the guide wire 1, the catheter 2 and the positioning portion 3 all have multiple specifications, along with the difference of the patient, the specification of the guide wire 1 is also different, and then the guide wire 2 that leads to punching changes along with the specification of the guide wire 1, and choose for use the specification of the guide wire 1 matched with using, along with the change of the specification of the catheter 2 that punches, the positioning portion 3 also chooses for use the specification of the catheter 2 matched with using, wherein, no matter any specification, the distance range between the lateral wall of the guide wire 1 and the inside wall of the catheter 2 that punches and the distance range between the lateral wall of the catheter 2 and the inside wall of the channel of the positioning portion 3 are 0-0.05 mm. The skilled person can decide how to choose the dimensions of the guide wire 1, the perforation catheter 2, the first communicating tube 32 and the second communicating tube 33 according to the actual situation, and the application is not limited, for example: the outer diameter of the guide wire 1 is 0.6 mm; the inner diameter of the perforating guide pipe 2 is 1.1mm, and the outer diameter is 2 mm; the inner diameter of the first communication pipe 32 is 2.05mm, and the outer diameter is 4 mm; the second communication pipe 33 has an inner diameter of 2.05mm and an outer diameter of 3.5 mm.

In a specific implementation, as shown in fig. 1, the outer side wall of the positioning portion is provided with scale marks.

Specifically, a certain scale on the scale mark is leveled with the skin opening of the human body, and at the moment, the number of the certain scale leveled with the skin opening of the human body is read, and the number indicates the distance length of the positioning part entering the human body. The arrangement of the scale lines can facilitate subjective judgment of the operating doctor during operation. The specific arrangement mode of the scale marks can be determined according to the actual situation, and the application is not limited. For example: the scale marks can be machined 150mm from the second end of the first communicating pipe 32, each 1cm is a small grid, and each 5cm is a large grid.

It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are used to distinguish the embodiments, and do not represent merits of the embodiments.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A spinal endoscope positioning device, comprising:

the guide wire penetrates through the punching catheter, and two ends of the guide wire respectively extend out of two ends of the punching catheter;

the positioning part is long-strip-shaped, the positioning part is provided with through channels in the length direction, the number of the channels is at least two, the perforation catheters are arranged in one channel in a penetrating mode, and two ends of each perforation catheter extend out of two ends of the channel respectively;

wherein the guidewire is slidable within the perforation catheter and the perforation catheter is slidable within the channel.

2. A spinal endoscopic positioning apparatus as recited in claim 1, wherein the positioning portion comprises:

the first communicating pipe and the second communicating pipe form two channels, the outer side wall of the first communicating pipe is connected with the outer side wall of the second communicating pipe, and the first end of the first communicating pipe is located in the same plane as the first end of the second communicating pipe.

3. A spinal endoscopic positioning apparatus as recited in claim 2,

the distance between the second end of the first communicating pipe and the second end of the second communicating pipe is 0-15 mm.

4. The spinal endoscopic positioning apparatus of claim 3,

a first annular inclined plane is arranged on the outer side wall of the second end of the first communication pipe;

the first annular inclined surface inclines to the central axis of the first communication pipe along the direction from the first end to the second end of the first communication pipe.

5. The spinal endoscopic positioning apparatus of claim 4,

a second annular inclined plane is arranged on the inner side wall of the second end surface of the first communication pipe;

the second annular inclined surface inclines to the outer side wall of the first communication pipe along the direction from the first end to the second end of the first communication pipe.

6. A spinal endoscopic positioning apparatus as recited in claim 2,

and the second end of the first communicating pipe and the second end of the second communicating pipe are positioned in the same plane.

7. The spinal endoscopic positioning apparatus of claim 1,

and a stress bottom plate is arranged on the outer side wall of the first end of the positioning part.

8. A spinal endoscopic positioning apparatus as recited in claim 1,

the first end of the guide wire is provided with a needle tip.

9. The spinal endoscopic positioning apparatus of claim 1,

and an annular arc-shaped inclined plane is arranged at the joint between the first end surface of the perforating guide pipe and the outer side wall of the perforating guide pipe.

10. The spinal endoscopic positioning apparatus of claim 1,

the distance between the side wall of the guide wire and the inner side wall of the perforation catheter is 0-0.05 mm;

the distance between the outer side wall of the perforating guide pipe and the inner side wall of the channel of the positioning part is 0-0.05 mm.

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