阅读说明：本技术 一种便于调节刮刀的股骨头坏死组织清理装置 (Femoral head necrotic tissue cleaning device convenient to adjust scraper ) 是由 郝志伟 于 2021-07-09 设计创作，主要内容包括：本发明公开了一种便于调节刮刀的股骨头坏死组织清理装置,涉及医疗设备技术领域,包括上外壳,上外壳侧面固定安装手持板,手术中左手紧握手持板,用于固定整个装置,上外壳滑动安装调节装置,手动推动调节装置,为刮刀伸展、压缩提供动力,调节装置下方滑动安装伸缩装置,用于用于将刮刀伸展、压缩,上外壳的下方固定安装下外壳,不使用时,将刮刀收缩至下外壳内,避免刮伤皮肤,本发明可在手术中对刮刀进行自由调节,具有灵活性高、提高手术效率的特点。(The invention discloses a femoral head necrotic tissue cleaning device convenient for adjusting a scraper, which relates to the technical field of medical equipment and comprises an upper shell, wherein a handheld plate is fixedly arranged on the side surface of the upper shell, the handheld plate is tightly held by the left hand in an operation and used for fixing the whole device, an adjusting device is slidably arranged on the upper shell, the adjusting device is manually pushed to provide power for the extension and compression of the scraper, a telescopic device is slidably arranged below the adjusting device and used for extending and compressing the scraper, a lower shell is fixedly arranged below the upper shell, and the scraper is retracted into the lower shell when the device is not used, so that the skin is prevented from being scratched.)

1. The utility model provides a femoral head necrotic tissue cleaning device convenient to adjust scraper, includes the shell, goes up the handheld board of shell side fixed mounting, and the handheld board is tightly held to the left hand in the operation for fix whole device, its characterized in that: the upper shell is provided with an adjusting device in a sliding mode, the adjusting device is pushed manually to provide power for extension and compression of the scraper, a telescopic device is arranged below the adjusting device in a sliding mode and used for extending and compressing the scraper, the lower shell is fixedly arranged below the upper shell, and the scraper is retracted into the lower shell when the scraper is not used, so that skin scratching is avoided;

the adjusting device comprises a connecting rod and a pressing spring, the lower end of the connecting rod is fixedly installed with the rotating shaft, the lower part of the connecting rod is slidably installed with the chute plate, the lower end of the pressing spring is fixedly installed with the upper surface of the lower shell, and the upper end of the pressing spring is fixedly installed below the pressing plate;

the telescopic device comprises a scraper blade and a knife rest, wherein the scraper blade and the knife rest are fixedly installed, an auxiliary rod sliding block is fixedly installed on the scraper blade, the auxiliary rod sliding block is rotatably installed at one end of a sliding connection plate, the sliding connection plate and a rotating shaft are fixedly installed, and the auxiliary rod sliding block is rotatably installed through a transmission assembly and a sliding groove plate.

2. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the upper end of the connecting rod and the lower surface of the pressing plate are fixedly installed, the upper surface of the pressing plate and the adjusting push plate are fixedly installed, the side face of the upper shell is provided with a sliding groove, and the adjusting push plate and the sliding groove of the upper shell are slidably installed.

3. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the transmission component () comprises a cutter body connecting plate and a half-tooth gear, one end of the cutter body connecting plate and the half-tooth gear are rotatably mounted, the other end of the cutter body connecting plate is fixedly mounted with an auxiliary rod, and the auxiliary rod and the scraper blade are rotatably mounted.

4. A femoral head necrosed tissue clearing device to facilitate adjustment of a shaver as claimed in claim 3 wherein: the half-tooth gear and the rack gear are meshed and installed, the rack is fixedly installed on one side of the chute plate, and the number of teeth of the half-tooth gear and the number of teeth of the rack are equal.

5. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 1, wherein: the inner side of the rotating shaft is fixedly provided with a small sliding block, the rotating shaft is slidably arranged with the sliding groove plate, and the rotating shaft is rotatably arranged with the cutter body connecting plate and the sliding connecting plate.

6. The femoral head necrosed tissue clearing device facilitating adjustment of a scraper blade of claim 5, wherein: the inner side of the sliding connection plate is provided with a sliding groove, and the sliding connection plate sliding groove and the sliding groove plate are installed in a sliding mode.

7. A femoral head necrosed tissue clearing device facilitating adjustment of a shaver as claimed in any one of claims 1 to 6 wherein: the side of lower shell have four spouts, the cutter of being convenient for is flexible, the telescoping device is four in total, fixed mounting is in the inside of shell down.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a femoral head necrotic tissue cleaning device convenient for adjusting a scraper.

Background

The main symptom of femoral head necrosis is pain, joint femoral head collapse in the later stage causes claudication, gradual change necrosis caused by insufficient blood supply of bones due to various reasons is caused, the range of avascular necrosis of femoral head collapse in the early stage is smaller, at the moment, smooth tissue cleaning is needed to be carried out as early as possible, and the recovery probability of a patient can be improved. The femoral head necrotic tissue cleaning device convenient to adjust the scraper is provided with a rotatable trigger and a slidable fixing clamp, when the trigger is pressed, the top of the trigger pushes a latch at the rear end of a push rod, the push rod moves downwards to push the scraper to rotate, so that the opening and closing degree of the scraper is adjusted, the femoral head necrotic tissue cleaning device is provided with a handle in a B-shaped structure, the hand guard at the front part of the handle can prevent the cleaning device from carelessly falling off in the operation process, an inner tube is in a T-shaped structure, a fixing screw at the top end of the inner tube is unscrewed, the inner tube can be detached and then cleaned and maintained, the femoral head necrotic tissue cleaning device improves the difficulty in adjustment of the scraper to a certain extent, but the flexibility of the scraper is not high enough, and therefore the femoral head necrotic tissue cleaning device convenient to adjust the scraper is provided by the invention.

Disclosure of Invention

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a femoral head necrotic tissue cleaning device convenient to adjust scraper, including last shell, go up shell side fixed mounting handheld board, the handheld board is tightly held to the left hand in the operation for fix whole device, go up shell slidable mounting adjusting device, manual promotion adjusting device, for the scraper extends, the compression provides power, adjusting device below slidable mounting telescoping device, be used for extending the scraper, the compression, go up shell under the below fixed mounting of shell, when not using, with the scraper shrink to under in the shell, avoid the scratch skin.

The adjusting device comprises a connecting rod and a pressing spring, the lower end of the connecting rod is fixedly installed with the rotating shaft, the lower portion of the connecting rod is slidably installed with the chute plate, the lower end of the pressing spring is fixedly installed with the upper surface of the lower shell, and the upper end of the pressing spring is fixedly installed below the pressing plate.

The telescopic device comprises a scraper blade and a knife rest, wherein the scraper blade and the knife rest are fixedly installed, an auxiliary rod sliding block is fixedly installed on the scraper blade, the auxiliary rod sliding block is rotatably installed at one end of a sliding connection plate, the sliding connection plate and a rotating shaft are fixedly installed, and the auxiliary rod sliding block is rotatably installed through a transmission assembly and a sliding groove plate.

Furthermore, the upper end of the connecting rod and the lower surface of the pressing plate are fixedly installed, the upper surface of the pressing plate and the adjusting push plate are fixedly installed, a sliding groove is formed in the side face of the upper shell, and the adjusting push plate and the sliding groove of the upper shell are slidably installed.

Furthermore, the transmission assembly comprises a cutter body connecting plate and a half-tooth gear, one end of the cutter body connecting plate and the half-tooth gear are rotatably mounted, an auxiliary rod is fixedly mounted at the other end of the cutter body connecting plate, and the auxiliary rod and the scraper blade are rotatably mounted.

Furthermore, the half-tooth gear and the rack gear are meshed and installed, the rack is fixedly installed on one side of the sliding chute plate, and the number of teeth of the half-tooth gear and the number of teeth of the rack are equal.

Furthermore, a small sliding block is fixedly arranged on the inner side of the rotating shaft, the rotating shaft and the sliding groove plate are slidably arranged, and the rotating shaft, the cutter body connecting plate and the sliding connecting plate are rotatably arranged.

Furthermore, the inner side of the sliding connection plate is provided with a sliding groove, and the sliding connection plate sliding groove and the sliding groove plate are installed in a sliding mode.

Furthermore, the side of lower shell have four spouts, the cutter of being convenient for is flexible, the telescoping device is totally four, fixed mounting is in the inside of shell down.

Compared with the prior art, the invention has the beneficial effects that: (1) according to the invention, the semi-gear is meshed with the rack gear, the auxiliary rod sliding block rotates to drive the cutter rest to rotate, so that the cutter is rapidly extended, and the flexibility of the scraper is greatly improved; (2) according to the invention, the upper shell is provided with the handheld plate which is fixed, the adjusting device is pushed, the length of the scraper is freely adjusted in the operation, and the operation efficiency is greatly improved; (3) according to the invention, the lower shell is arranged, and the cutter groove is arranged on the shell, so that the scraper is convenient to store when not in use, and skin is prevented from being pricked.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the adjusting device of the present invention.

Fig. 3 is a schematic view of the contraction structure of the telescopic device of the invention.

Fig. 4 is a schematic view of the telescopic device of the present invention in a contracted configuration.

Fig. 5 is a schematic view of the expansion device of the present invention in an expanded configuration.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1, a femoral head necrotic tissue cleaning device convenient for adjustment of a scraper comprises an upper shell 1, a handheld plate 2, an adjusting device 3, a telescopic device 4 and a lower shell 5, wherein the handheld plate 2 is fixedly arranged on the side surface of the upper shell 1, the lower shell 5 is fixedly arranged below the upper shell 1, a sliding groove is formed in the side surface of the lower shell 5, so that a cutter can be conveniently stretched, the number of the telescopic devices 4 is four, and the telescopic devices are fixedly arranged in the lower shell 5.

The adjusting device 3 shown in fig. 2 comprises an adjusting push plate 301, a pressing plate 302, connecting rods 303 and a pressing spring 304, wherein a sliding groove is formed in the side surface of the upper shell 1, the adjusting push plate 301 and the sliding groove of the upper shell 1 are slidably mounted, the pressing plate 302 is fixedly mounted below the adjusting push plate 301, the four connecting rods 303 are fixedly mounted below the pressing plate 302, the connecting rods 303 and the sliding groove plate 402 are slidably mounted, the pressing spring 304 is fixedly mounted below the pressing plate 302, and the pressing spring 304 is fixedly mounted below the pressing spring 304 and the upper surface of the lower shell 5.

As shown in fig. 3, 4 and 5, the telescopic device 4 comprises a rotating shaft 401, a sliding groove plate 402, a half-tooth gear 403, a rack 404, a cutter body connecting plate 405, a sliding connecting plate 406, a secondary rod slider 407, a scraper blade 408, a cutter holder 409 and a secondary rod 410, the rotating shaft 401 is fixedly arranged below the connecting rod 303, the rotating shaft 401 and the half-tooth gear 403 are rotatably arranged, the sliding groove plate 402 is fixedly arranged in the lower shell 5, the rack 404 is fixedly arranged on one side of the sliding groove plate 402, the rack 404 and the half-tooth gear 403 are in gear-rack meshing arrangement, the number of teeth of the rack 404 and the half-tooth gear 403 are equal, the half-tooth gear 403 and the cutter body connecting plate 405 are rotatably arranged, the secondary rod 410 is fixedly arranged on the other end of the cutter body connecting plate 405, the secondary rod 410 and the scraper blade 408 are rotatably arranged, one end of the sliding connecting plate 406 is fixedly arranged on the rotating shaft 401, the secondary rod slider 407 is rotatably arranged on the other end, the secondary rod slider 407 is fixedly arranged on the scraper blade 408, the inner side of the sliding connecting plate 406 is provided with a sliding groove, the sliding connection plate 406, the sliding groove and the sliding groove plate 402 are slidably mounted, a knife rest 409 is fixedly mounted in front of the scraper blade 408, a small sliding block is fixedly mounted on the inner side of the rotating shaft 401, and the rotating shaft 401 and the sliding groove plate 402 are slidably mounted.

The invention discloses a femoral head necrotic tissue cleaning device convenient for adjusting a scraper, which has the following working principle: in the operation process, when a scraper is needed to be used for cleaning femoral head necrotic tissue, the hand-held plate 2 is held by the left hand, the adjusting push plate 301 is properly pushed according to the diameter of the scraper to be used, the press plate 302 is driven to move downwards, the pressing spring 304 is compressed, the press plate 302 drives the connecting rod 303 to move downwards, the rotating shaft 401 is driven to move downwards, the half-tooth gear 403 is driven to move downwards, the rack 404 is meshed with the gear to drive the half-tooth gear 403 to rotate, the half-tooth gear 403 rotates to drive the cutter body connecting plate 405 to rotate, the auxiliary rod 410 rotates, the auxiliary rod sliding block 407 and the scraper blade 408 rotate at the same time, the cutter frame 409 rotates to drive the cutter frame 409 to rotate, and when the cutter frame 409 moves downwards, the scraper is retracted by the resilience of the pressing spring.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.