CN210019540U

CN210019540U - Intervertebral disc scraper aspirator

Info

Publication number: CN210019540U
Application number: CN201920571339.5U
Authority: CN
Inventors: 龙光华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-07
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses an intervertebral disc scraper aspirator, which comprises a transparent hollow handle and an internal thread handle connected with the transparent hollow handle, wherein the front end of the transparent hollow handle is connected with an operating rod, the front end of the operating rod is connected with a scraper elbow comprising a left scraper arm and a right scraper arm, the front ends of the left scraper arm and the right scraper arm are fixedly connected with scrapers, and the included angle between the scraper elbow and the parallel line of the operating rod is 10 ︒ -20 ︒; the operating rod is internally provided with a hollow suction pipe shape, a suction control port is arranged on the operating rod, the rear end of the operating rod extends into the internal thread handle and is connected with a filter mesh bag arranged in the transparent hollow handle, and the rear end of the transparent hollow handle is provided with a negative pressure suction pipe interface. The utility model discloses when scraping out intervertebral disc tissue, suction intervertebral disc annulus fibrosus piece and the blood that oozes, the utility model relates to a rationally, convenient operation shortens operation time's characteristics, plays the guard action to intervertebral disc patient's soft tissue on every side to alleviate intervertebral disc patient's pain.

Description

Intervertebral disc scraper aspirator

Technical Field

The utility model relates to an intervertebral disc scraper aspirator belongs to medical instrument technical field.

Background

In the traditional intervertebral fusion operation, intervertebral bone grafting fusion is needed, intervertebral disc tissues are scraped out by using an intervertebral disc reamer, blood seeps to vertebral body end plates are scraped, and a bone grafting bed is prepared to facilitate bone grafting. In the conventional operation, after a small part of the intervertebral disc is scraped by the reamer due to the narrow operation space, the operation visual field is affected due to the bleeding of intervertebral disc fragments and vertebral plates, and the reamer is required to be taken out and put into an aspirator to suck out the intervertebral disc fragments and the oozed blood. Such repeated operations increase the operation time and the operation process is laborious and laborious. Therefore, the intervertebral disc scraper aspirator is provided, can perform continuous operation during intervertebral fusion operation, can suck out intervertebral disc fiber ring fragments and exuded blood during the operation, cleans operation space, and has practical significance for saving operation time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intervertebral disc scraper aspirator to overcome the not enough that exists at present in backbone orthopedics intervertebral fusion operation.

In order to realize the purpose, the utility model provides an intervertebral disc scraper aspirator, including transparent hollow handle, the front end of transparent hollow handle is connected with the rear end of internal thread handle through the screw thread, it is sealed through seal ring between transparent hollow handle and internal thread handle, the internal thread front end is connected with the action bars, the action bars front end is connected with the scraper elbow, the scraper elbow comprises left scraper arm, right scraper arm, left scraper arm, right scraper arm front end are connected and are fixed with the scraper, the scraper is connected fixedly with left scraper arm, right scraper arm through countersunk screw; the included angle between the scraper bend and the parallel line of the operating rod is 10 ︒ -20 ︒; the vacuum suction pipe is characterized in that a hollow suction pipe is arranged in the operating rod, a suction control port communicated with the hollow suction pipe is arranged on the operating rod, the rear end of the operating rod extends into the internal thread handle, a filter mesh bag is arranged in the transparent hollow handle, a mesh bag port of the filter mesh bag is connected with the rear end of the operating rod, and a negative pressure suction pipe connector is arranged at the rear end of the transparent hollow handle.

Adopt above-mentioned measure the utility model discloses, after connecting medical aspirator, when can scrape out intervertebral disc tissue on the limit, the blood that the intervertebral disc annulus fragment of limit suction and oozed, clean operation space shows the operation field of vision, reduces operation repetition step, practices thrift the operation time, convenient operation. The utility model has the characteristics of reasonable in design, convenient operation shortens operation time, plays the guard action to intervertebral disc patient's soft tissue on every side to alleviate fracture patient's pain.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional structure of fig. 1 according to the present invention.

The sequence numbers in the figures illustrate: the device comprises a transparent hollow handle 1, an internal thread handle 2, a sealing washer 3, an operating rod 4, a scraper elbow 5, a left scraper arm 6, a right scraper arm 7, a scraper 8, a countersunk screw 9, operating rod parallel lines 10, an included angle 11, a hollow suction pipe 12, a suction control port 13, a filter mesh bag 14, a mesh bag port 15 and a negative pressure suction pipe interface 16.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 2, fig. 1 is the utility model discloses a structural schematic is looked just, fig. 2 is the utility model discloses a structural schematic is overlooked, can see from fig. 1, fig. 2 the utility model discloses a concrete structure, including transparent hollow handle 1, the rear end of transparent hollow handle 1 is provided with negative pressure straw interface 16, and the front end of transparent hollow handle 1 passes through the screw thread to be connected with female thread handle 2 and rear end, seals through seal ring 3 between transparent hollow handle 1 and female thread handle 2, and the front end of threaded handle 2 is connected with action bars 4. The front end of the operating rod 4 is connected with a scraper elbow 5, the scraper elbow 5 consists of a left scraper arm 6 and a right scraper arm 7, a scraper 8 is fixed between the front ends of the left scraper arm 6 and the right scraper arm 7, and the scraper 8 is fastened with the left scraper arm 6 and the right scraper arm 7 in a screw fixing mode of a countersunk head screw 9; to facilitate the operation, the scraper bend 5 forms an angle 11 with the parallel line 10 of the operating rod, and the angle 11 is 10 ︒ -20 ︒.

Fig. 3 is a schematic cross-sectional view of fig. 1 according to the present invention, and it can be seen from fig. 3 that the operation rod 4 is disposed in a state of a hollow suction pipe 12; the operating rod 4 is provided with a suction control port 13 communicated with the hollow suction pipe 12; the rear end of the operating rod 4 extends into the internal thread handle 2 and is connected with a mesh bag port 15 of a filter mesh bag 14 arranged in the transparent hollow handle 1, a negative pressure suction pipe interface 16 is arranged at the rear end of the transparent hollow handle 1, the negative pressure suction pipe interface 16 can be connected with a medical suction apparatus, and the medical suction apparatus enables negative pressure to be generated in the transparent hollow handle 1, the internal thread handle 2 and the hollow suction pipe 12.

The utility model welds the left scraper arm 6 and the right scraper arm 7 at the front end of the operating rod 4, and the scraper arms together form the scraper elbow 5; the scraper 8 is fixed at the front ends of the left scraper arm 6 and the right scraper arm 7 through the sunk screws 9, the scraper 8 is in a disc shape, the edge of the disc is a cutting edge, the scraper 8 is provided with four round holes, and the scraper 8 can be replaced by a new scraper 8 or a new scraper 8. The equipment the utility model discloses the time, at first with the rear end of action bars 4 through fastening hoop and the fastening of pocket mouth 15, embolia transparent hollow handle 1 to filter mesh bag 14 again, put into seal ring 3 between transparent hollow handle 1 and the internal thread handle 2 to screw up transparent hollow handle 1 and internal thread handle 2, connect medical aspirator can work on transparent hollow handle 1's rear end negative pressure straw interface 16 connection.

The utility model discloses a use like this: in the posterior approach intervertebral bone grafting fusion operation of the spine, when the steps of intervertebral disc removal and bone grafting bed preparation are carried out, after the intervertebral disc fibrous ring is cut through the scraper 8, the intervertebral disc tissue enters from one side of the cutting edge of the device, the transparent hollow handle 1 is held, and the intervertebral disc is cleaned through the fine up-down and rotating operations. When cleaning the intervertebral disc tissue, the suction force of the hollow suction pipe 12 is the maximum when the suction force control port 13 is pressed by fingers; when the fingers are released, the suction force of the hollow suction pipe 12 is reduced, and the suction force control port 13 plays a role in controlling and adjusting the size of the suction force of the hollow suction pipe 12. Under the action of negative pressure generated by a medical aspirator, intervertebral disc fibrous ring fragments enter a hollow suction pipe 12 from a suction inlet between a front scraper arm 6 and a rear scraper arm 7 of a scraper elbow 5 and are continuously sucked into a filter mesh bag 14, and the scraped tissue fragments are collected by the filter mesh bag 14; the oozed blood is filtered by the filter mesh bag 14 and then collected by a suction bottle connected to the negative pressure suction tube port 16. The transparent hollow handle 1 of the device can clearly see the disc annulus fragments collected in the built-in filter screen, thereby evaluating the removal amount of the disc annulus fragments. The utility model comprises three parts, namely a handle part comprises a transparent hollow handle 1, an internal thread handle 2, an operating rod 4 and a scraper elbow 5, the length ratio of the three parts is 1:1.5-2.5:0.6-1.2, the diameter of the transparent hollow handle 1 is 2-5 cm, the diameter of the operating rod 4 is 1-2 cm, the space of a filter mesh bag 14 arranged in the transparent hollow handle 1 is larger, the collected disc fiber ring fragments and the hollow suction pipe 12 are generally free from blockage. After the intervertebral disc is removed and cleaned, the subsequent operation can be continued.

Claims

1. The intervertebral disc scraper aspirator comprises a transparent hollow handle (1), wherein the front end of the transparent hollow handle (1) is connected with the rear end of an internal thread handle (2) through threads, and the transparent hollow handle (1) and the internal thread handle (2) are sealed through a sealing washer (3), and the intervertebral disc scraper aspirator is characterized in that the front end of the internal thread handle (2) is connected with the rear end of an operating rod (4), the front end of the operating rod (4) is connected with a scraper elbow (5), the scraper elbow (5) consists of a left scraper arm (6) and a right scraper arm (7), the front ends of the left scraper arm (6) and the right scraper arm (7) are fixedly connected with a scraper (8), and the scraper (8) is fixedly connected with the left scraper arm (6) and the right scraper arm (7) through sunk screws; the included angle (11) between the scraper elbow (5) and the parallel line (10) of the operating rod is 10 ︒ -20 ︒; the novel vacuum suction device is characterized in that a hollow suction pipe (12) is arranged in the operating rod (4), a suction control port (13) communicated with the hollow suction pipe (12) is formed in the operating rod (4), the rear end of the operating rod (4) extends into the internal thread handle (2), a filter mesh bag (14) is arranged in the transparent hollow handle (1), a mesh bag port (15) of the filter mesh bag (14) is connected with the rear end of the operating rod (4), and a negative pressure suction pipe interface (16) is arranged at the rear end of the transparent hollow handle (1).

2. The intervertebral disc scraper aspirator of claim 1, characterized in that the length ratio of the transparent hollow handle (1) and the internal thread handle (2), the operating rod (4) and the scraper bend (5) is 1:1.5-2.5:0.6-1.2, the diameter of the transparent hollow handle (1) is between 2-5 cm, and the diameter of the operating rod (4) is between 1-2 cm.