CN210871873U

CN210871873U - Under-mirror visible curet

Info

Publication number: CN210871873U
Application number: CN201921213509.9U
Authority: CN
Inventors: 陈国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-30
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a visual curette under a mirror, which comprises a handle, a connecting column, a spoon body and an endoscope which are connected according to the sequence. The edge of the spoon body is provided with a cutting edge; the connecting column is a hollow cylinder with openings at two ends; the handle is provided with a through hole communicated with the inside of the connecting column; the surface of the spoon body is provided with a concave cavity which is communicated with the inside of the connecting column; the lens of the endoscope sequentially penetrates through the through hole and the connecting column on the handle and extends into the concave cavity. The utility model discloses simple structure, easily realization can realize based on the minimally invasive surgery about the intervertebral disc/the clearance process visual of endplate cartilage face, have improved doctor's efficiency, reduce the operation risk, avoid to peripheral nerve, vascular damage, can also promote the precision and the effect of processing by a wide margin, guarantee that intervertebral tissue clean up, bone grafting bed handle and target in place, improve the interbody fusion effect.

Description

Under-mirror visible curet

Technical Field

The utility model relates to the technical field of medical equipment, relate to a visual curet under mirror particularly.

Background

Lumbar degenerative diseases such as lumbar disc protrusion, lumbar instability, lumbar spondylolisthesis and the like account for a considerable proportion in the current orthopedic outpatient service, and the diseases cause continuous pain, incapability of engaging in physical labor and the like to the patients and seriously affect the life quality of the patients. There are generally two current surgical treatment regimens for the above-mentioned diseases. One is to open a large wound on the back of a patient, expose the upper and lower end plate cartilage surfaces of the intervertebral disc/gap under the muscle layer, clear the cartilage surfaces and the bone grafting bed by a curette and scrape the hyperplastic tissue. The advantage of this solution is that the cleaning process is visible, but the drawback is that the wound is large and the self-healing period of the patient's body is long. Secondly, minimally invasive treatment is carried out on the back of the patient, and a curette extends into the minimally invasive wound and cleans the cartilage surface and the bone grafting bed. Although the scheme has small wound and quick recovery, the cleaning process needs to be carried out in a non-visual state, the clinical experience of doctors is very tested, and certain operation risk is realized. Therefore, how to develop a novel curette, which can realize visualization of the process of cleaning the upper and lower endplate cartilage surfaces of the intervertebral disc/space by the curette based on minimally invasive surgery so as to improve the surgery efficiency of doctors and reduce the surgery risk and the experience threshold of doctors is the direction that needs to be researched by the technicians in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a visual curet under mirror can realize the visual of the clearance process to endplate cartilage face about intervertebral disc/clearance based on the minimal access surgery, has improved doctor's efficiency, reduces the operation risk, avoids peripheral nerve, vascular damage, can also promote the precision and the effect of processing by a wide margin, guarantees that intervertebral tissue clean up, bone grafting bed handle to target in place, improves the interbody fusion effect.

The technical scheme is as follows:

a visible curet under the mirror comprises a handle, a connecting column, a spoon body and an endoscope which are connected in sequence in a straight line. The edge of the spoon body is provided with a cutting edge; the connecting column is a hollow cylinder with openings at two ends; the handle is provided with a through hole communicated with the inside of the connecting column; the spoon body is provided with a concave cavity, and one end of the concave cavity is communicated with the inside of the connecting column; the lens of the endoscope sequentially penetrates through the through hole and the connecting column on the handle and extends into the concave cavity.

By adopting the technical scheme: the doctor firstly carries out minimally invasive opening on the back of a patient, inserts the working sleeve, and gradually stretches the spoon body and the connecting column into the body of the patient from the working sleeve, and during the operation, the doctor observes the position of the spoon body and the distribution condition of tissues to be cleaned on the bone grafting bed from the concave cavity based on the lens of the endoscope until the spoon body moves to a proper cleaning position. Finally, the spoon body is driven to synchronously rotate by rotating the handle, so that the cartilage surface and the bone grafting bed are cleaned.

Preferably, in the under-mirror visible curette: and an auxiliary window communicated with the concave cavity is further arranged on the surface of the curette body.

By adopting the technical scheme: increasing the available viewing area of the endoscope. During the operation, the endoscope can observe both the outside of the spatula body 3 through the cavity 32 and through the auxiliary window 33. The acquired view is more comprehensive and objective.

More preferably, in the under-mirror visible curette: the curette body is spoon-shaped.

By adopting the technical scheme: so that the curette can clear a larger bone grafting bed area without integral radial movement in the clearing process.

Further preferably, in the under-mirror visible curette: the handle is a turntable disc with a through hole in the center, and a plurality of grooves adaptive to the shapes of fingers are uniformly distributed on the edge of the handle.

By adopting the technical scheme: in clearance cartilage face and the bone grafting bed, the doctor stretches into the recess with the finger and exerts oneself in order to realize the rotation to the handle, makes the blade of following the synchronous revolution of handle carry out the tissue and scrapes. The force application direction of the doctor is completely vertical to the axis of the connecting column, so that the curet body can not be further pushed forward, and the safety of the operation is improved.

Compared with the prior art, the utility model discloses simple structure easily realizes: visualization of the process of cleaning the cartilage surfaces of the upper and lower end plates of the intervertebral disc/gap can be realized based on minimally invasive surgery, the efficiency of doctors is improved, the risk of surgery is reduced, and the cartilage surfaces and the bone grafting bed can be more finely processed.

Drawings

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an enlarged schematic view of the spatula body of FIG. 1;

FIG. 3 is a schematic end view of the handle of FIG. 1;

FIG. 4 is a schematic left side view of FIG. 2;

FIG. 5 is a schematic view showing the structure of the blade body according to embodiment 2;

the correspondence between each reference numeral and the part name is as follows:

1. a handle; 2. connecting columns; 3. a spatula body; 5. an endoscope; 11. a through hole; 12. a groove; 31. cutting edges; 32. a concave cavity; 33. an auxiliary window.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following will be further described with reference to various embodiments.

Examples 1 are shown in FIGS. 1-4:

a visual curet under a mirror comprises a handle 1, a connecting column 2, a spoon body 3 and an endoscope 5 which are connected in sequence in a straight line.

The connecting column 2 is a hollow cylinder with openings at two ends; the handle 1 is a turntable-mounted disc with a through hole 11 in the center, and a plurality of grooves 12 adapted to the shape of fingers are uniformly distributed on the edge of the handle. The through hole 11 is communicated with the inside of the connecting column 2; the spoon body 3 is spoon-shaped. The edge of the spoon body 3 is provided with a cutting edge 31, the surface of the spoon body 3 is provided with a concave cavity 32, and the concave cavity 32 is communicated with the inside of the connecting column 2; the lens of the endoscope 5 sequentially passes through the through hole 11 and the connecting column 2 on the handle 1 and extends into the cavity 32. In this example, the two cutting edges 31 are connected by a circular arc broadside. Thereby avoiding the top end of the cutting edge 31 from hurting the nerves in the intervertebral disc/gap during the extending process of the curette and improving the fault-tolerant rate of the operation.

In practice, the procedure is as follows: the doctor firstly carries out minimally invasive opening on the back of a patient, inserts a working sleeve, and gradually stretches the curette body 3 and the connecting column 2 into the patient from the working sleeve, and in the operation process, the doctor observes the position of the curette body 3 and the distribution condition of tissues to be cleaned on a bone grafting bed through a hollow surface, namely a cavity 32, between two cutting edges 31 based on a lens of an endoscope 5 until the curette body 3 moves to a proper cleaning position. Finally, the curette body 3 is driven to synchronously rotate by the rotating handle 1, and the cutting edge 31 is used for cleaning the cartilage surface and the bone grafting bed.

FIG. 5 shows example 2:

the present example differs from example 1 in that: the surface of the spatula body 3 is also provided with an auxiliary window 33 leading to the cavity 32. During the operation, the endoscope can observe the outside of the curette body 3 through the hollow surface between the two cutting edges 31, namely the cavity 32, and can also observe through the auxiliary window 33.

The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. The protection scope of the present invention is subject to the protection scope of the claims.

Claims

1. A visible curet under a mirror comprises a handle (1), a connecting column (2) and a spoon body (3) which are connected in sequence in a straight line; the edge of the spoon body (3) is provided with a cutting edge (31);

the method is characterized in that: further comprising an endoscope (5); the connecting column (2) is a hollow cylinder with openings at two ends; the handle (1) is provided with a through hole (11) communicated with the inside of the connecting column (2); a concave cavity (32) is arranged on the surface of the spoon body (3), and one end of the concave cavity (32) is communicated with the inside of the connecting column (2); the lens of the endoscope (5) sequentially penetrates through the through hole (11) and the connecting column (2) on the handle (1) and extends into the cavity (32).

2. The under-the-mirror visible curette of claim 1, wherein: the surface of the spoon body (3) is also provided with an auxiliary window (33) communicated with the concave cavity (32).

3. The under-the-mirror visible curette of claim 2, wherein: the cutting edge (31) is in an inverted U-shaped curve.

4. The under-the-mirror visible curette of claim 2, wherein: the spoon body (3) is spoon-shaped.

5. The under-the-mirror visible curette of claim 1, wherein: the handle (1) is a turntable disc with a through hole (11) in the center, and a plurality of grooves (12) which are suitable for the shapes of fingers are uniformly distributed on the edge of the handle.