CN213667192U

CN213667192U - Intervertebral disc irrigator for lumbar fusion

Info

Publication number: CN213667192U
Application number: CN202022205967.7U
Authority: CN
Inventors: 黄豪杰
Original assignee: Shunde Hospital Of Guangzhou University Of Traditional Chinese Medicine
Current assignee: Shunde Hospital Of Guangzhou University Of Traditional Chinese Medicine
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-13
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an intervertebral disc flusher for lumbar vertebrae fuses relates to medical instrument technical field, has solved current intervertebral disc flusher and has put into the problem that process operation difficulty, the residual tissue who still has the connection to the part can't reach effective washing effect, and its technical scheme main points are: the tail end pipe is communicated with the main flushing pipe at an obtuse angle, and the tail end pipe is characterized in that a scraping body and a liquid outlet are arranged at the end part of the tail end pipe, which is far away from the main flushing pipe, and the liquid outlet is positioned on the inner side of the scraping body, which faces the obtuse angle area between the tail end pipe and the main flushing pipe; the end part of the main flushing pipe, which is far away from the tail end pipe, is provided with a liquid injection pipe orifice; the side surface of the main flushing pipe is communicated with a negative pressure pipe orifice. The whole intervertebral disc flusher is convenient to operate in the implantation process, and can flush while scraping, so that the aim of effectively flushing partial residual tissues with connection is fulfilled.

Description

Intervertebral disc irrigator for lumbar fusion

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to an intervertebral disc flusher for lumbar vertebrae fuses.

Background

In the process of lumbar vertebra fusion, after the lumbar intervertebral disc is cut off, the residual tissues of the intervertebral disc need to be washed by sterile normal saline so as to avoid influencing the intervertebral bone grafting fusion. Traditional intervertebral disc washes through the syringe, and the water injection earlier, follow-up taking the sparge water out again, washing operation is inconvenient, and the washing effect is unsatisfactory, and for this reason, people have made further research to the intervertebral disc flusher.

Retrieving now and noticing chinese patent that publication number is CN110975046A, this patent discloses an intervertebral disc flusher, including washing the outer tube, wash the outer tube top and fixedly be provided with the cushion, the activity of cushion middle part sets up washes the inner tube, washes the outer tube and cup joints the setting with washing the inner tube, washes the outer tube bottom and is provided with pullover interface, pullover interface outside cover is equipped with and washes pullover, washes the inner tube and runs through and stretch out pullover interface, washes the fixed elastic sheet that is provided with in inner tube bottom outside, and elastic sheet end fixing is provided with the adapter sleeve.

The intervertebral disc flusher forms a flushing injection channel in the flushing inner tube, and forms a negative pressure leading-out channel in a gap between the flushing inner tube and the flushing outer tube, so that a flushing loop is formed. However, the flushing outer tube and the flushing inner tube are sleeved, so that the whole instrument is complex in composition, and the operation of the intervertebral disc flusher in the process of placing the intervertebral disc flusher is difficult; in addition, the above-mentioned intervertebral disc irrigator can only irrigate the residual tissue which has been detached, and can not achieve the effective irrigation effect for the residual tissue which is partially connected. Therefore, how to design a disc washer for lumbar fusion is a problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the operation of the existing intervertebral disc flusher is difficult and the residual tissues connected with each other cannot reach the effective flushing effect, the utility model aims at providing an intervertebral disc flusher for lumbar fusion.

The above technical purpose of the present invention can be achieved by the following technical solutions: an intervertebral disc flusher for lumbar fusion comprises a main flushing pipe and a tail end pipe, wherein the tail end pipe is communicated with the main flushing pipe in an obtuse angle mode; the end part of the main flushing pipe, which is far away from the tail end pipe, is provided with a liquid injection pipe orifice; the side surface of the main flushing pipe is communicated with a negative pressure pipe orifice.

By adopting the technical scheme, when the intervertebral disc is washed, the injector nipple storing the washing liquid is connected with the liquid outlet, the negative pressure drainage tube is connected with the negative pressure tube opening, and the negative pressure drainage tube is clamped and blocked; then the tail end pipe is implanted into the intervertebral disc, the injector is pressed to enable washing liquid to sequentially flow through the washing main pipe and the tail end pipe and then to be output from the liquid outlet for washing, and meanwhile, the washing main pipe is operated to control the scraping body to scrape residual tissues of the intervertebral disc, so that the purposes of scraping and washing the intervertebral disc are achieved; after the washing is finished, the negative pressure drainage tube is opened, so that washing waste liquid is discharged through the liquid outlet, the tail end tube, the washing main tube, the negative pressure tube opening and the negative pressure drainage tube under the action of negative pressure, the whole intervertebral disc washer is convenient to operate in the process of placing, and the purpose of effectively washing partial residual tissues with connection is achieved.

The utility model discloses further set up to: the scraping body is a spoon-shaped body with an arc-shaped end edge.

Through adopting above-mentioned technical scheme, the spoon body can reduce the friction loss to internal tissue when scraping the remaining tissue.

The utility model discloses further set up to: the negative pressure pipe orifice and the scraping body are arranged on the same side, and the negative pressure pipe orifice is inclined to the side, away from the tail end pipe, of the flushing main pipe.

Through adopting above-mentioned technical scheme, the slope of negative pressure mouth of pipe sets up and can enough reduce the negative pressure drainage tube to scraping the interference of body control, can reduce the pressure value size of negative pressure drainage simultaneously again.

The utility model discloses further set up to: the end part of the flushing main pipe close to the liquid injection pipe orifice is provided with a direction adjusting piece.

By adopting the technical scheme, the operation position and the direction of the scraper body can be flexibly controlled by operating the direction adjusting sheet.

The utility model discloses further set up to: the direction-adjusting sheet is provided with a fixed cylinder for inserting the injector, and the fixed cylinder and the injection pipe orifice are coaxially arranged.

By adopting the technical scheme, after the injector is connected with the liquid injection pipe orifice, the injector is connected with the fixed cylinder in an inserting mode, and the connection stability of the injector and the flusher can be enhanced.

The utility model discloses further set up to: the outer wall of the tail pipe is provided with color band rings at intervals for displaying the implantation depth.

By adopting the technical scheme, the color band can clearly and visually display the insertion depth of the flusher into the intervertebral disc, and the occurrence of the situations of transitional insertion or incomplete flushing is avoided.

The utility model discloses further set up to: the obtuse angle number is 172 °.

Through adopting above-mentioned technical scheme, can improve the rationality of liquid distribution and conveniently scrape and wash.

The utility model discloses further set up to: the length of the main flushing pipe is 15cm, the length of the tail end pipe is 3cm, and the radian of the outer side of the scraping body is 1.2 cm.

Through adopting above-mentioned technical scheme, whole layout design accords with and washes requirement sample, convenient operation, flexibility.

Compared with the prior art, the utility model discloses following beneficial effect has: when the intervertebral disc is washed, the injector nipple storing the washing liquid is connected with the liquid outlet, the negative pressure drainage tube is connected with the negative pressure tube opening, and the negative pressure drainage tube is clamped and blocked; then the tail end pipe is implanted into the intervertebral disc, the injector is pressed to enable washing liquid to sequentially flow through the washing main pipe and the tail end pipe and then to be output from the liquid outlet for washing, and meanwhile, the washing main pipe is operated to control the scraping body to scrape residual tissues of the intervertebral disc, so that the purposes of scraping and washing the intervertebral disc are achieved; after the flushing is finished, the negative pressure drainage tube is opened, so that flushing waste liquid is discharged through the liquid outlet, the tail end tube, the flushing main tube, the negative pressure tube opening and the negative pressure drainage tube under the action of negative pressure, the operation of the whole intervertebral disc flusher in the process of placing is convenient, and the aim of effectively flushing partial residual tissues with connection is fulfilled; after the injector is connected with the injection pipe orifice, the injector is inserted into the fixed cylinder, so that the connection stability of the injector and the flusher can be enhanced; the color band ring can clearly and visually display the insertion depth of the flusher into the intervertebral disc, and the occurrence of the situations of transitional insertion or insufficient flushing is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;

fig. 2 is a schematic structural view of the embodiment of the present invention after being cut open;

fig. 3 is a schematic structural view of the scraper in the embodiment of the present invention.

In the figure: 10. flushing the main pipe; 11. a tail end tube; 12. a color band ring; 13. a liquid outlet; 14. scraping the body; 15. a negative pressure pipe orifice; 16. plugging the piston; 17. direction adjusting sheets; 18. a fixed cylinder; 19. and a liquid injection pipe orifice.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 3 and the embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): an intervertebral disc flusher for lumbar fusion is shown in fig. 1 and fig. 2, and comprises a main flushing pipe 10 and a tail end pipe 11, wherein the tail end pipe 11 is communicated with the main flushing pipe 10 at an obtuse angle, a scraping body 14 and a liquid outlet 13 are arranged at the end part of the tail end pipe 11 far away from the main flushing pipe 10, and the liquid outlet 13 is positioned at the inner side of the scraping body 14 facing the obtuse angle area between the tail end pipe 11 and the main flushing pipe 10; the end part of the main flushing pipe 10 far away from the tail end pipe 11 is provided with a liquid injection pipe orifice 19; the side surface of the main irrigation pipe 10 is communicated with a negative pressure pipe orifice 15. When the intervertebral disc is washed, the injector nipple storing the washing liquid is connected with the liquid outlet 13, the negative pressure drainage tube is connected with the negative pressure tube orifice 15, and the negative pressure drainage tube is clamped and blocked; then the tail end pipe 11 is implanted into the intervertebral disc, the injector is pressed to enable washing liquid to sequentially flow through the main washing pipe 10 and the tail end pipe 11 and then to be output from the liquid outlet 13 for washing, and meanwhile, the main washing pipe 10 is operated to control the scraping body 14 to scrape residual tissues of the intervertebral disc, so that the purpose of scraping and washing the intervertebral disc is achieved; after the washing is finished, the negative pressure drainage tube is opened, so that washing waste liquid is discharged through the liquid outlet 13, the tail end tube 11, the washing main tube 10, the negative pressure tube opening 15 and the negative pressure drainage tube under the action of negative pressure, the operation of the whole intervertebral disc washer in the process of placing is convenient, and the purpose of effectively washing partial residual tissues with connection is achieved.

In this embodiment, as shown in fig. 3, the scraper 14 is a spoon with an arc-shaped end edge. The spoon body can reduce friction loss to internal tissues when scraping residual tissues.

As shown in FIG. 1, the negative pressure nozzle 15 is disposed on the same side as the scraper 14, and the negative pressure nozzle 15 is obliquely directed to a side of the main irrigation pipe 10 away from the tail pipe 11. The inclined arrangement of the negative pressure pipe orifice 15 can reduce the interference of the negative pressure drainage pipe on the control of the scraper body 14 and can also reduce the pressure value of the negative pressure drainage.

As shown in FIG. 1, the end of the main irrigation pipe 10 near the liquid filling nozzle 19 is provided with a direction-adjusting piece 17. The operation direction adjusting sheet 17 can flexibly control the operation position and the operation direction of the scraper 14.

As shown in fig. 1 and 2, the direction-regulating piece 17 is provided with a fixed cylinder 18 into which the syringe is inserted, and the fixed cylinder 18 is disposed coaxially with the injection nozzle 19. After the injector is connected with the injection pipe orifice 19, the injector is inserted into the fixed cylinder 18, so that the connection stability of the injector and the flusher can be enhanced.

As shown in fig. 1, the outer wall of the tail pipe 11 is provided with colored bands 12 at intervals for displaying the implantation depth. The color band ring 12 can clearly and visually display the insertion depth of the flusher into the intervertebral disc, and avoid the occurrence of transitional insertion or insufficient flushing. In the present embodiment, three color band rings 12 of black, yellow and red are provided.

As shown in fig. 1, the obtuse angle a is 172 degrees, that is, the cohesive angle between the tail end pipe 11 and the main flushing pipe 10 is 8 degrees, so that the reasonability of liquid distribution can be improved, and the scraping is convenient.

In this embodiment, the length of the main flushing pipe 10 is 15cm, the length of the tail end pipe 11 is 3cm, the radian of the outer side of the scraping body 14 is 1.2cm, the overall layout design meets the requirement of flushing, and the operation is convenient and flexible.

The working process is as follows: when the intervertebral disc is washed, the injector nipple storing the washing liquid is connected with the liquid outlet 13, the negative pressure drainage tube is connected with the negative pressure tube orifice 15, and the negative pressure drainage tube is clamped and blocked; then the tail end pipe 11 is implanted into the intervertebral disc, the injector is pressed to enable washing liquid to sequentially flow through the main washing pipe 10 and the tail end pipe 11 and then to be output from the liquid outlet 13 for washing, and meanwhile, the main washing pipe 10 is operated to control the scraping body 14 to scrape residual tissues of the intervertebral disc, so that the purpose of scraping and washing the intervertebral disc is achieved; after the washing is finished, the negative pressure drainage tube is opened, so that washing waste liquid is discharged through the liquid outlet 13, the tail end tube 11, the washing main tube 10, the negative pressure tube opening 15 and the negative pressure drainage tube under the action of negative pressure, the operation of the whole intervertebral disc washer in the process of placing is convenient, and the purpose of effectively washing partial residual tissues with connection is achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An intervertebral disc flusher for lumbar fusion comprises a main flushing pipe (10) and a tail end pipe (11), wherein the tail end pipe (11) is communicated with the main flushing pipe (10) at an obtuse angle, and is characterized in that a scraping body (14) and a liquid outlet (13) are arranged at the end part of the tail end pipe (11) far away from the main flushing pipe (10), and the liquid outlet (13) is positioned on the inner side of the scraping body (14) facing the obtuse angle area between the tail end pipe (11) and the main flushing pipe (10); the end part of the main flushing pipe (10) far away from the tail end pipe (11) is provided with a liquid injection pipe orifice (19); the side surface of the main flushing pipe (10) is communicated with a negative pressure pipe orifice (15).

2. The intervertebral disc irrigator for lumbar fusion according to claim 1, characterized in that the scraper (14) is a spoon with an arc-shaped end edge.

3. The intervertebral disc irrigator for lumbar fusion according to claim 1, characterized in that the negative pressure nozzle (15) is arranged on the same side of the scraper body (14), and the negative pressure nozzle (15) is obliquely directed to the side of the main irrigator tube (10) away from the tail tube (11).

4. The intervertebral disc irrigator for lumbar fusion according to claim 1, characterized in that the end of the main irrigator tube (10) close to the injection tube orifice (19) is provided with a direction-adjusting plate (17).

5. The intervertebral disc irrigator for lumbar fusion according to claim 4, characterized in that the direction-regulating plate (17) is provided with a fixed cylinder (18) for the insertion of a syringe, the fixed cylinder (18) being arranged coaxially with the injection nozzle (19).

6. The intervertebral disc irrigator for lumbar fusion according to claim 1, characterized in that the outer wall of the tail tube (11) is spaced with a color band ring (12) for indicating the implantation depth.

7. The disc irrigator for lumbar fusion of claim 1 wherein the obtuse angle is 172 °.

8. The intervertebral disc irrigator for lumbar fusion according to claim 1, characterized in that the length of the main irrigator tube (10) is 15cm, the length of the tail tube (11) is 3cm, and the outer radian of the scraper (14) is 1.2 cm.