CN213030774U

CN213030774U - Femoral head necrotic tissue cleaning device convenient to adjust scraper

Info

Publication number: CN213030774U
Application number: CN202021283027.3U
Authority: CN
Inventors: 陈献韬
Original assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Current assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-23
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a femoral head necrosis tissue cleaning device convenient to adjust scraper, including handle, trigger, push rod, second round pin axle and fixed screw, the handle lower extreme is provided with the outer tube, the inside one side of handle is provided with the fixing clip, the inside fixing clip one side of keeping away from of handle is provided with the trigger, wherein, the scraper is being connected to the hinge bar lower extreme, the top at the handle is fixed with the inner tube to the fixed screw. This femoral head necrotic tissue cleaning device convenient to adjust scraper is provided with the trigger that can rotate and the fixing clip that can slide, when pressing the trigger, the latch of the rear end of trigger top ejector push rod, the push rod downstream, it is rotatory to promote the scraper, thereby adjust the degree of opening and shutting of scraper, the device is provided with the handle of "B" shape structure, the anterior hand protector of handle can prevent that cleaning device drops carelessly at operation in-process, the inner tube is "T" shape structure, unscrew the fixed screw on inner tube top, can dismantle the inner tube, then wash and maintain.

Description

Femoral head necrotic tissue cleaning device convenient to adjust scraper

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a femoral head necrotic tissue cleaning device convenient to adjust scraper.

Background

Femoral head necrosis is a common disease, and is often caused by a series of reasons such as trauma or drinking. The symptoms of femoral head necrosis are mainly pain, particularly pain after walking or loading in the ground and stepping on the ground, and the pain is gradually aggravated, and according to the progress of the disease of femoral head necrosis, the symptoms are often accompanied with other symptoms, such as flexion and extension of joints or internal and external rotation, and are obviously affected.

In the operation treatment of femoral head necrosis, the femoral head reconstruction filled with the mineralized collagen-based reconstruction rod with a necrotic focus removed has good clinical effect in the recent femoral head avascular necrosis treatment. The whole implementation idea is that firstly necrotic lesions in the femoral head are removed, then the femoral head is filled with intact autogenous bone collected in the process of opening pore canals, and finally a mineralized collagen-based reconstruction rod is implanted. The damaged femoral head has enough mechanical strength and keeps the original structural function of the femoral head. Artificial hip replacement can be avoided or delayed. Reducing the economic and mental stress of the patients.

But the existing femoral head necrotic tissue cleaning device is inconvenient to adjust the scraper head, the cleaning device does not have a hand guard when the scraper head is adjusted, the cleaning device is easy to fall off, and after an operation, the devices are inconvenient to detach and clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a femoral head necrotic tissue cleaning device convenient to adjust scraper to current femoral head necrotic tissue cleaning device on the existing market that the solution above-mentioned background art provided is inconvenient to scraper head regulation, when adjusting the tool bit, cleaning device does not protect the handle, drops easily, and after the operation, the inconvenient dismantlement of equipment and abluent problem.

In order to achieve the above object, the utility model provides a following technical scheme: a femoral head necrotic tissue cleaning device convenient for scraper adjustment comprises a handle, a trigger, a push rod, a second pin shaft and a fixing screw, wherein the lower end of the handle is provided with an outer tube, one side inside the handle is provided with a fixing clamp, the tail end of the fixing clamp is connected with a first spring, one side inside the handle, which is far away from the fixing clamp, is provided with the trigger, the center part of the trigger is provided with a fixing groove, a fixing rod is fixed inside the fixing groove, the top end of the trigger is connected with a second spring, wherein,

the improved handle is characterized in that an inner tube is arranged inside the outer tube, a stop block is arranged inside the inner tube, a third spring is arranged at the top end of the stop block, the push rod penetrates through the third spring, a first pin shaft is arranged at the lower end of the push rod, the first pin shaft is connected with a hinge rod, a scraper is connected to the lower end of the hinge rod, a second pin shaft is fixed to the center of the scraper, and the inner tube is fixed to the top of the handle through fixing screws.

Preferably, the handle is of a B-shaped structure, a rectangular groove is formed in the top end of the handle, and the area of the rectangular groove is equal to that of the top end of the inner tube.

Preferably, the outer wall of one side of the fixing clip close to the push rod is obliquely arranged and is perpendicular to the push rod, and the fixing clip and the handle are of a sliding structure.

Preferably, the fixed slot is the cuboid trompil, and the cuboid both ends are the circular arc structure, the cross section top of trigger is littleer than the bottom width, and trigger and handle are revolution mechanic.

Preferably, the inner tube is of a T-shaped structure, the bottom of the inner tube is provided with a vertical blade groove, one side of the inner tube, which is close to the fixing clamp and the trigger, is provided with an opening, and the area of the top of the inner tube is smaller than that of the rectangular groove at the top end of the handle.

Preferably, the top end of the push rod is provided with a latch, the push rod is divided into two sections, the diameter of the bottom section is smaller than that of the top section, and the push rod and the inner tube are of a sliding structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this femoral head necrotic tissue cleaning device convenient to adjust scraper is provided with trigger that can rotate and the fixing clip that can slide, and when pressing the trigger, the latch of the rear end of trigger top ejector push rod, the push rod downstream promotes the scraper and rotates to adjust the degree of opening and shutting of scraper.

2. The femoral head necrotic tissue cleaning device convenient to adjust the scraper is provided with the handle of a B-shaped structure, and the hand guard at the front part of the handle can prevent the cleaning device from falling off carelessly in the operation process.

3. The femoral head necrotic tissue cleaning device convenient to adjust the scraper is provided with the inner tube of a T-shaped structure, the fixing screw at the top end of the inner tube is unscrewed, the inner tube can be detached, and then cleaning and maintenance are carried out.

Drawings

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

FIG. 2 is a front anatomical schematic of the present invention;

FIG. 3 is a schematic view of the front structure of the inner tube of the present invention;

fig. 4 is a schematic view of the anatomical structure of the inner tube of the present invention;

fig. 5 is a schematic view of the handle according to the present invention.

In the figure: 1. a grip; 2. an outer tube; 3. fixing the card; 4. a first spring; 5. a trigger; 6. fixing grooves; 7. fixing the rod; 8. a second spring; 9. an inner tube; 10. a stopper; 11. a third spring; 12. a push rod; 13. a first pin shaft; 14. a hinged lever; 15. a scraper; 16. a second pin shaft; 17. and fixing the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a femoral head necrotic tissue cleaning device convenient for scraper adjustment comprises a handle 1, an outer tube 2, a fixing clip 3, a first spring 4, a trigger 5, a fixing groove 6, a fixing rod 7, a second spring 8, an inner tube 9, a stop block 10, a third spring 11, a push rod 12, a first pin shaft 13, a hinge rod 14, a scraper 15, a second pin shaft 16 and a fixing screw 17, wherein the outer tube 2 is arranged at the lower end of the handle 1, the handle 1 is of a B-shaped structure, a rectangular groove is formed in the top end of the handle 1, the area of the rectangular groove is equal to that of the top end of the inner tube, the hand guard at the front part of the handle 1 can prevent the cleaning device from falling off carelessly in the operation process, the fixing clip 3 is arranged on one side inside the handle 1, the outer wall of the fixing clip 3, which is close to the push rod 12, is arranged in an inclined manner and perpendicular to the push rod 12, the fixing clip 3 and the handle 1 are of, the push rod 12 can be loosened by pushing the fixing clamp 3, then the push rod 12 is reset by the third spring 11, the tail end of the fixing clamp 3 is connected with the first spring 4, one side of the handle 1, which is far away from the fixing clamp 3, is provided with a trigger 5, the center part of the trigger 5 is provided with a fixing groove 6, the fixing groove 6 is a cuboid open hole, the two ends of the cuboid are of an arc structure, the top end of the cross section of the trigger 5 is smaller than the width of the bottom end, the trigger 5 and the handle 1 are of a rotating structure, the trigger 5 is pressed, the top of the trigger 5 pushes the latch at the rear end of the push rod 12, the push rod 12 moves downwards to push the scraper 15 to rotate, so that the opening and closing degree of the scraper 15 is adjusted, when the trigger 5 is loosened, the trigger 5 can reset by the oval structure of the fixing groove 6 without influencing the fixation of the push rod 12, the, wherein the content of the first and second substances,

the inner tube 9 is arranged in the outer tube 2, the inner tube 9 is of a T-shaped structure, a vertical blade groove is formed in the bottom of the inner tube 9, openings are formed in one side, close to the fixing clamp 3 and the trigger 5, of the inner tube 9, the area of the top of the inner tube 9 is smaller than that of a rectangular groove in the top of the handle 1, a fixing screw 17 in the top of the inner tube 9 is unscrewed, the inner tube 9 can be disassembled and then cleaned and maintained, a stop block 10 is arranged in the inner tube 9, a third spring 11 is arranged at the top of the stop block 10, the push rod 12 penetrates through the third spring 11, a latch is arranged at the top of the push rod 12, the push rod 12 is divided into two sections, the diameter of the bottom section is smaller than that of the top section, the push rod 12 and the inner tube 9 are of a sliding structure, the latch at the top of the push rod 12 can fix the push rod 12 through the fixing clamp, the third spring 11 can be deformed, the lower end of the push rod 12 is provided with a first pin shaft 13, the first pin shaft 13 is connected with a hinged rod 14, the lower end of the hinged rod 14 is connected with a scraper 15, a second pin shaft 16 is fixed at the central part of the scraper 15, and the inner tube 9 is fixed at the top of the handle 1 by a fixing screw 17.

The working principle is as follows: when the femoral head necrosis tissue cleaning device convenient for adjusting the scraper is used, firstly, the handle 1 is of a B-shaped structure, the top end of the handle is provided with a rectangular groove, the area of the rectangular groove is equal to that of the top end of the inner tube 9, the hand guard at the front part of the handle 1 can prevent the cleaning device from falling off carelessly in the operation process, the outer wall of one side of the fixing clip 3 close to the push rod 12 of the device is obliquely arranged and is perpendicular to the push rod 12, the fixing clip 3 and the handle 1 are of a sliding structure, the front end of the fixing clip 3 can fix the push rod 12 through the latch at the top end of the push rod 12, the push rod 12 can be loosened by pushing the fixing clip 3, then the third spring 11 enables the push rod 12 to reset, the fixing groove 6 is a cuboid open hole, the two ends of the cuboid are of an arc structure, the top end of the cross section of the trigger 5 is smaller than the width of the bottom end, the trigger 5, the push rod 12 moves downwards to push the scraper 15 to rotate, so that the opening and closing degree of the scraper 15 is adjusted, when the trigger 5 is loosened, the trigger 5 can be reset through the oval structure of the fixing groove 6 without affecting the fixing of the push rod 12, the inner tube 9 is of a T-shaped structure, the bottom of the inner tube 9 is provided with a vertical blade groove, the opening and closing degree of the scraper 15 can be adjusted, one side, close to the fixing clamp 3 and the trigger 5, of the inner tube 9 is provided with an opening, the trigger 5 and the fixing clamp 3 can fix or push the push rod 12 through the opening, the top area of the inner tube 9 is smaller than the rectangular groove at the top end of the handle 1, a fixing screw 17 at the top end of the inner tube 9 is unscrewed, the inner tube 9 can be detached and then cleaned and maintained, the push rod 12 is divided into two sections, the diameter of the bottom section is smaller than that of the top section, the push rod 12 and the inner, the bottom section of the push rod 12 is penetrated by a third spring 11, and when the push rod 12 moves downwards, the bottom of the third spring 11 is provided with a stopper 10, which can deform the third spring 11, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a femoral head necrotic tissue cleaning device convenient to adjust scraper, includes handle (1), trigger (5), push rod (12), second round pin axle (16) and fixed screw (17), its characterized in that: the lower end of the handle (1) is provided with an outer tube (2), one side in the handle (1) is provided with a fixing clip (3), the tail end of the fixing clip (3) is connected with a first spring (4), one side of the handle (1) far away from the fixing clip (3) is provided with a trigger (5), the central part of the trigger (5) is provided with a fixing groove (6), a fixing rod (7) is fixed in the fixing groove (6), the top end of the trigger (5) is connected with a second spring (8), wherein,

the improved handle is characterized in that an inner tube (9) is arranged inside the outer tube (2), a stop block (10) is arranged inside the inner tube (9), a third spring (11) is arranged on the top end of the stop block (10), a push rod (12) penetrates through the third spring (11), a first pin shaft (13) is arranged at the lower end of the push rod (12), a hinge rod (14) is connected to the first pin shaft (13), a scraper (15) is connected to the lower end of the hinge rod (14), a second pin shaft (16) is fixed to the center of the scraper (15), and the inner tube (9) is fixed to the top of the handle (1) through a fixing screw (17).

2. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the handle (1) is of a B-shaped structure, a rectangular groove is formed in the top end of the handle (1), and the area of the rectangular groove is equal to that of the top end of the inner tube (9).

3. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the outer wall of one side of the fixing clip (3) close to the push rod (12) is obliquely arranged and is perpendicular to the push rod (12), and the fixing clip (3) and the handle (1) are of a sliding structure.

4. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the fixed slot (6) is a cuboid open hole, the two ends of the cuboid are of arc structures, the top end of the cross section of the trigger (5) is smaller than the width of the bottom end, and the trigger (5) and the handle (1) are of a rotating structure.

5. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the inner tube (9) is of a T-shaped structure, a vertical blade groove is formed in the bottom of the inner tube (9), openings are formed in one side, close to the fixing clamp (3) and the trigger (5), of the inner tube (9), and the area of the top of the inner tube (9) is smaller than a rectangular groove in the top end of the handle (1).

6. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the top end of the push rod (12) is provided with a latch, the push rod (12) is divided into two sections, the diameter of the bottom section is smaller than that of the top section, and the push rod (12) and the inner tube (9) are of a sliding structure.