CN211381626U

CN211381626U - U-shaped arc stripper

Info

Publication number: CN211381626U
Application number: CN201921253749.1U
Authority: CN
Inventors: 马桂文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-09-01
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a son is peeled off to U type arc, include: the front end of the cutter head is in an inverted trapezoid shape, and two sides of the cutter head are provided with cutting edges; one end of the cutter neck is fixedly connected with the tail of the cutter head; the other end of the knife neck is fixedly connected with the handle. An object of the utility model is to provide a U type arc is peeled off that causes little, can clear up the blood around the stripping tissue of wound to the joint.

Description

U-shaped arc stripper

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to U type arc is peeled off.

Background

The stripper is a medical appliance used for orthopedic surgery and used for stripping tissues such as nerves, periosteum and the like. Hallux valgus deformity refers to lateral deviation of the big toe at the first metatarsophalangeal joint, and is a toe deformity which is usually corrected clinically by surgical therapy. Hallux valgus surgery to reduce the damage to the joint, an incision is often made at a distance from the joint, and then a stripper is used to strip tissue such as the joint capsule to expose the bone, followed by the next osteotomy. Due to the existing stripper, the cutter neck is easy to touch the periphery of the joint during stripping, and the joint is easy to be damaged additionally.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the problem that causes extra injury easily to the joint among the prior art.

For this reason, the technical scheme who adopts is, the utility model discloses a son is peeled off to U type arc, include:

the front end of the cutter head is in an inverted trapezoid shape, and two sides of the cutter head are provided with cutting edges;

one end of the cutter neck is fixedly connected with the tail of the cutter head;

the other end of the knife neck is fixedly connected with the handle.

Preferably, the handle is provided with anti-skid lines.

Preferably, the corners of the tool neck are all arc-shaped.

Preferably, a blood cleaning device is installed in the handle, and the blood cleaning device comprises:

the annular air bag is fixed on the outer wall of the handle;

the handle is internally provided with a cavity, the handle is internally provided with a connecting hole, one end of the connecting hole is communicated with the annular air bag, the other end of the connecting hole is communicated with the cavity, one end of the liquid guide hole is communicated with the bottom of the cavity, and the other end of the liquid guide hole sequentially penetrates through the handle, the cutter neck and the cutter head and extends to the position of the cutting edge;

the first flexible blocking piece is arranged on the liquid guide hole in the cavity, one end of the first flexible blocking piece is fixedly connected with the bottom of the inner wall of the cavity, and the other end of the first flexible blocking piece is in a movable state;

the flexible separation blade of second, be provided with the recess on the lateral wall of handle, outage one end and cavity inner wall bottom intercommunication, the outage other end and recess diapire intercommunication are provided with the flexible separation blade of second on the recess diapire, the flexible separation blade one end of second and recess diapire fixed connection, the flexible separation blade one end of second is in free state.

Preferably, the blood-cleaning device further comprises:

the disc is arranged on the outer wall of the handle and located below the groove, the disc is fixedly connected with the outer wall of the handle, and an annular accommodating groove is formed in the upper end face of the disc.

Preferably, the blood-cleaning device further comprises:

the protective sleeve wraps the annular air bag and is in threaded connection with the outer wall of the handle.

Preferably, the liquid guide hole is a round hole or a square hole.

Preferably, the diameter of the cutter neck is 0.3mm to 2 mm.

Preferably, the cutter head and the cutter neck are of an integrated structure.

The utility model discloses technical scheme has following advantage: the utility model discloses a U type arc stripper includes: the front end of the cutter head is in an inverted trapezoid shape, and two sides of the cutter head are provided with cutting edges; one end of the cutter neck is fixedly connected with the tail of the cutter head; the other end of the knife neck is fixedly connected with the handle. Because a bending angle is formed between the tail part of the cutter head and the cutter neck, the cutter neck close to the handle can be far away from the joint, so that the additional damage of the cutter neck to the joint when the joint capsule is stripped is reduced; the knife edges at the two sides of the front end of the knife head can also be used for cutting when the soft tissues such as joint capsules and the like are stripped.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle tool bit of the present invention.

Fig. 3 is a schematic structural view of the blood-cleaning device of the present invention.

Fig. 4 is a schematic structural view of the interior of the middle handle of the present invention.

Fig. 5 is a schematic structural view of the disc and the protective sleeve of the present invention.

The drawings are numbered as follows: 1-cutter head, 101-cutting edge, 2-cutter neck, 3-handle, 4-probe, 5-annular air bag, 6-cavity, 7-connecting hole, 8-drainage hole, 9-first flexible baffle, 10-second flexible baffle, 11-groove, 12-drainage hole, 13-disc, 14-annular containing groove and 15-protective sleeve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

An embodiment of the present invention provides a drilling measuring tape locator for hallux valgus osteotomy, as shown in fig. 1-2, including:

the tool bit 1 is provided with an inverted trapezoid front end and blades on two sides, and the tool bit 1 is 2-15mm long and 0.5-5mm wide;

one end of the cutter neck 2 is fixedly connected with the tail of the cutter head 1, and the bending angle between the tail of the cutter head 1 and the cutter neck 2 is 120-170 degrees;

the handle 3, the other end of the knife neck 2 and the handle 3 are fixedly connected.

The working principle of the technical scheme is as follows: opening the joint to be operated, pinching the handle 3 with the hand, moving the handle 3, driving the cutter neck 2 to move through the handle 3, driving the cutting edge 101 on the cutter head 1 to peel off the joint capsule on the joint by the cutter neck 2, and performing the next operation after the joint bone is exposed.

The beneficial effects of the above technical scheme are: because a bending angle is formed between the tail part of the cutter head 1 and the cutter neck 2, the cutter neck 2 close to the handle 3 can be far away from the joint, so that the additional damage of the cutter neck to the joint when the joint capsule is stripped is reduced; the knife edges on the two sides of the front end of the knife head 1 and the front section of the knife head 1 are U-shaped, and can be used for cutting when soft tissues such as joint capsules are stripped.

In one embodiment, the handle 3 is provided with anti-slip threads.

The beneficial effects of the above technical scheme are: the anti-slip lines can increase the friction force of the handle and prevent slipping when the handle is pinched.

In one embodiment, the corners of the neck 2 are curved.

The beneficial effects of the above technical scheme are: the corners of the cutter neck 2 are arc-shaped, edges and corners are not formed, and damage to joints and surrounding tissues is reduced.

In one embodiment, as shown in fig. 3-4, a blood-cleaning device is mounted in the handle 3, the blood-cleaning device comprising:

the annular air bag 5 is fixed on the outer wall of the handle 3;

the cutter comprises a cavity 6, a cavity 6 is arranged in the handle 3, a connecting hole 7 is arranged in the handle 3, one end of the connecting hole 7 is communicated with the annular air bag 5, the other end of the connecting hole 7 is communicated with the cavity 6, one end of a liquid guide hole 8 is communicated with the bottom of the cavity 6, and the other end of the liquid guide hole 8 sequentially penetrates through the handle 3, the cutter neck 2 and the cutter head 1 and extends to the cutting edge 101;

a first flexible baffle 9 is arranged on the liquid guide hole 8 in the cavity 6, one end of the first flexible baffle 9 is fixedly connected with the bottom of the inner wall of the cavity 6, and the other end of the first flexible baffle 9 is in a movable state;

the flexible separation blade of second 10, be provided with recess 11 on the lateral wall of handle 3, outage 12 one end and 6 inner wall bottoms of cavity intercommunication, the outage 12 other end and 11 diapire intercommunication of recess are provided with the flexible separation blade of second 10 on the 11 diapire of recess, the flexible separation blade of second 10 one end and 11 diapire fixed connection of recess, the flexible separation blade of second 10 one end is in free state.

The working principle of the technical scheme is as follows: blood can appear in the process of peeling off the joint capsule, the sight of a doctor is affected, at the moment, the annular air bag 5 is pressed by a finger, air in the air bag 5 enters the cavity 6 through the connecting hole 7, the liquid guide hole 8 is blocked by the first flexible blocking piece 9, the air in the cavity 6 pushes the second flexible blocking piece 10 away through the liquid discharge hole 12, the air is discharged outside through the groove 11, the annular air bag 5 is in a negative pressure state in the cavity 6, the second flexible blocking piece 10 is in a blocking state, the first flexible blocking piece 9 is pushed away upwards in the negative pressure state, the liquid guide hole 8 is in a conducting state, the blood near the cutting edge 101 is sucked into the cavity 6 through the liquid guide hole 8 by the liquid guide hole 8 in the negative pressure state, and the sucked blood and the air inside are discharged through the liquid discharge hole 12 when the annular air bag 5 is pressed next time.

The beneficial effects of the above technical scheme are: through constantly pressing annular gasbag 5, just can realize carrying out timely clearance to the blood of peeling off the department, easy operation is convenient, moreover because first flexible separation blade 9 makes drain hole 8 be in one-way conducting state, consequently, has avoided inspiratory blood backward flow, has guaranteed to peel off that the position can keep cleaner to the operation is peeled off to doctor is better.

In one embodiment, as shown in fig. 5, the blood-cleaning device further comprises:

and a disc 13 is arranged on the outer wall of the handle 3 and below the groove 11, the disc 13 is fixedly connected with the outer wall of the handle 3, and an annular accommodating groove 14 is formed in the upper end face of the disc 13.

The working principle of the technical scheme is as follows: the blood flowing out through the grooves 11 can be stored in the annular housing groove 14 of the disc 13.

The beneficial effects of the above technical scheme are: after the storage tank 14 is fully collected, the medical staff can reuse the blood after cleaning treatment, thereby reducing the pollution of blood.

the protective sleeve 15 wraps the annular air bag 5, and the protective sleeve 15 is in threaded connection with the outer wall of the handle 3.

The beneficial effects of the above technical scheme are: when the annular air bag is not needed, the protective sleeve 15 can be screwed on to protect the annular air bag, and the service life of the annular air bag is prolonged.

In one embodiment, the liquid guide hole 8 is a round hole or a square hole.

The beneficial effects of the above technical scheme are: the round hole drainage hole is convenient to process, and the square drainage hole is convenient to be connected with the cleaning needle head for cleaning.

In one embodiment, the diameter of the cutter neck 2 is 0.3mm to 2 mm.

The beneficial effects of the above technical scheme are: the diameter of sword neck is little to make the stripper can get into and operate in the less incision, and in addition, the diameter of sword neck is little for the sword neck has good toughness, makes things convenient for the crooked gesture that changes the sword neck of doctor, in order to satisfy the demand of different operation condition.

In one embodiment, the cutting head 1 and the neck 2 are of a unitary structure.

The beneficial effects of the above technical scheme are: the cutter head and the cutter neck are of an integrated structure, and are made of stainless steel materials, so that the manufacturing cost is reduced.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A U-shaped arc stripper, comprising:

the cutting tool comprises a tool bit (1), wherein the front end of the tool bit is in an inverted trapezoid shape, and cutting edges are arranged on two sides of the tool bit;

one end of the cutter neck (2) is fixedly connected with the tail of the cutter head (1);

the other end of the handle (3) and the knife neck (2) are fixedly connected with the handle (3).

2. A U-arc stripper according to claim 1, wherein the handle (3) is provided with anti-slip threads.

3. A U-arc stripper according to claim 1, characterized in that the corners of the neck (2) are curved.

4. A U-arc detacher as claimed in claim 1, characterised in that inside said handle (3) there is mounted a blood-cleaning device comprising:

the outer wall of the handle (3) is fixed with the annular air bag (5);

the cutter comprises a cavity (6), wherein the cavity (6) is arranged in the handle (3), a connecting hole (7) is arranged in the handle (3), one end of the connecting hole (7) is communicated with the annular air bag (5), the other end of the connecting hole (7) is communicated with the cavity (6), one end of a liquid guide hole (8) is communicated with the bottom of the cavity (6), and the other end of the liquid guide hole (8) sequentially penetrates through the handle (3), the cutter neck (2) and the cutter head (1) and extends to a cutting edge (101);

the first flexible blocking piece (9) is arranged on the liquid guide hole (8) in the cavity (6), one end of the first flexible blocking piece (9) is fixedly connected with the bottom of the inner wall of the cavity (6), and the other end of the first flexible blocking piece (9) is in a movable state;

the flexible separation blade of second (10), be provided with recess (11) on the lateral wall of handle (3), outage (12) one end and cavity (6) inner wall bottom intercommunication, outage (12) other end and recess (11) diapire intercommunication are provided with flexible separation blade of second (10) on recess (11) diapire, flexible separation blade of second (10) one end and recess (11) diapire fixed connection, and flexible separation blade of second (10) one end is in free state.

5. A U-arc detacher as in claim 4, wherein the clearing means further comprises:

disc (13), be located on handle (3) outer wall the below of recess (11) is provided with disc (13), disc (13) with handle (3) outer wall fixed connection, disc (13) up end is provided with annular accepting groove (14).

6. A U-arc detacher as in claim 4, wherein the clearing means further comprises:

protective sheath (15), the parcel has protective sheath (15) on annular gasbag (5), protective sheath (15) and handle (3) outer wall threaded connection.

7. The U-shaped arc stripper as claimed in claim 4, wherein the liquid guide holes (8) are round holes or square holes.

8. A U-arc stripper according to claim 1, characterized in that the diameter of the neck (2) is 0.3mm to 2 mm.

9. The U-shaped arc stripper as claimed in claim 1, wherein the cutter head (1) and the cutter neck (2) are of a one-piece structure.