CN218943430U - Medical bone cracker - Google Patents
Medical bone cracker Download PDFInfo
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- CN218943430U CN218943430U CN202222615481.XU CN202222615481U CN218943430U CN 218943430 U CN218943430 U CN 218943430U CN 202222615481 U CN202222615481 U CN 202222615481U CN 218943430 U CN218943430 U CN 218943430U
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- bone
- broken bone
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- sleeve
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Abstract
A medical bone crusher, a supporting cylinder, a bone crushing sleeve, a feeding pipe and a motor; an opening for placing the receiving box is formed in one side of the supporting cylinder; the broken bone sleeve is assembled on the supporting cylinder, a conical groove is arranged in the broken bone sleeve, the lower end of the conical groove is communicated with a broken bone hole, a plurality of broken bone grooves are formed in the inner wall surface of the broken bone hole, a guide wheel is arranged in the conical groove and fixedly connected with a broken bone disk arranged in the broken bone hole, the bottom of the broken bone sleeve is fixedly connected with a bracket, the broken bone disk is rotationally connected with the bracket through a rotating shaft, a plurality of spiral grooves are formed in the guide wheel, a plurality of broken bone teeth are arranged outside the broken bone disk, a connecting rod is fixedly connected to the upper end of the guide wheel, and a plug is arranged at the upper end of the connecting rod; the feeding pipe is connected with the broken bone sleeve in a separated mode through a buckle, and a feeding hole for placing broken bones is formed in one side of the feeding pipe; the motor is assembled on the feeding pipe, and a plug bush matched with the plug is fixedly connected to an output shaft of the motor. The utility model is used for solving the problems of inconvenient cleaning and difficult disassembly of the traditional bone crushing device.
Description
Technical Field
The utility model relates to a medical bone breaker, and belongs to the field of medical appliances.
Background
In spinal surgery, the patient with cervical/lumbar disc herniation accompanied by unstable vertebral body or degeneration often involves the removal of the intervertebral disc and fusion between vertebral bodies, and for better osseous healing, a great amount of sufficient bone grafting is needed for removing the intervertebral space of the intervertebral disc, and the more uniform the bone grain size, the better the fusion effect.
The existing bone crushing devices are mainly divided into an electric bone crusher and a manual bone crusher, wherein the electric bone crusher is a medical automatic bone crusher (see paragraph 0028 in the specification) and adopts a bone crushing mode that continuously propelled bones are crushed into rice grains by using a rotary prismatic blade 13, then the crushed bones fall into a bone crushing bowl 14, firstly, when the bone crushing bowl is taken out, the crushed bones fall out from a central hole, secondly, a bone crushing main part is required to be dismantled 12 before the bone crushing is taken out, but the bone crushing main part is provided with the prismatic blade 13, so that fingers of medical staff are scratched when the bone crushing main part is dismantled, a certain safety implication exists, finally, the broken bones are inevitably fallen into a motor shell or a shaft hole of a motor output shaft because the motor is positioned at the lower end, and the motor is not sticky, so that the part is very troublesome to clean.
The manual bone crusher, for example, patent number CN 112043345A, a bone crusher for orthopedic surgery and a bone crusher placing box (see paragraph 0047 of the specification), uses two rotary knives 4 to crush bones, and has the disadvantage of being unable to be disassembled and being very troublesome to clean after use.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a medical bone crusher, which is used for solving the problems of inconvenient cleaning and difficult disassembly of the traditional bone crushing device.
In order to solve the problems, the technical scheme of the utility model is as follows:
a medical bone crusher, a supporting cylinder, a bone crushing sleeve, a feeding pipe and a motor;
an opening for placing the receiving box is formed in one side of the supporting cylinder;
the broken bone sleeve is assembled on the supporting cylinder, a conical groove is arranged in the broken bone sleeve, the lower end of the conical groove is communicated with a broken bone hole, a plurality of broken bone grooves are formed in the inner wall surface of the broken bone hole, a guide wheel is arranged in the conical groove and fixedly connected with a broken bone disk arranged in the broken bone hole, the bottom of the broken bone sleeve is fixedly connected with a bracket, the broken bone disk is rotationally connected with the bracket through a rotating shaft, a plurality of spiral grooves are formed in the guide wheel, a plurality of broken bone teeth are arranged outside the broken bone disk, a connecting rod is fixedly connected to the upper end of the guide wheel, and a plug is arranged at the upper end of the connecting rod;
the feeding pipe is connected with the broken bone sleeve in a separated mode through a buckle, and a feeding hole for placing broken bones is formed in one side of the feeding pipe;
the motor is assembled on the feeding pipe, and a plug bush matched with the plug is fixedly connected to an output shaft of the motor.
The inner wall surface of the conical groove is provided with a plurality of guide grooves which are inclined with the axial direction of the conical sleeve, and the section shape of each guide groove is a right triangle.
The bottom of the supporting cylinder is fixedly connected with an anti-slip rubber ring.
The feeding pipe is made of transparent plastic.
The support is provided with a positioning block, the positioning block is provided with a through hole in a rising mode, and the rotating shaft is detachably inserted into the through hole.
The beneficial effects of the utility model are as follows: firstly, support section of thick bamboo, garrulous bone cover, inlet pipe and motor can dismantle fast, and the motor is overhead simultaneously, and the motor does not contact garrulous bone in the whole use, makes garrulous bone cover, inlet pipe can separate the dismantlement cleaning and disinfecting, and medical personnel's hand need not to contact rotary part in addition, guarantees the security when using. Secondly, the guide wheels and the bone crushing discs with different diameters can be replaced to adjust the gap between the bone crushing disc and the bone crushing holes, so that the bone crushing requirements on bone particles with different particle diameters are met.
Drawings
The utility model is further described with reference to the accompanying drawings:
figure 1 is a schematic perspective view of the present utility model,
figure 2 is a schematic perspective view of the present utility model,
figure 3 is a schematic view of a partial perspective structure of the present utility model,
fig. 4 is a schematic view of a partial perspective structure of the present utility model.
In the figure: the device comprises a motor 1, a plug bush 11, a feeding pipe 2, a feeding port 21, a supporting cylinder 3, an anti-slip rubber ring 31, a guide wheel 4, a connecting rod 41, a spiral groove 42, a plug 43, a broken bone sleeve 5, a bracket 51, a guide groove 52, a positioning block 53, a broken bone plate 6, a rotating shaft 61 and broken bone teeth 62.
Detailed Description
As shown in fig. 1 to 4, a medical bone crusher comprises a support cylinder 3, a bone crushing sleeve 5, a feed pipe 2 and a motor 1;
an opening for placing a receiving box is formed in one side of the supporting cylinder 3;
the broken bone sleeve 5 is assembled on the supporting cylinder 3, a conical groove is arranged in the broken bone sleeve 5, a broken bone hole is communicated with the lower end of the conical groove, a plurality of broken bone grooves are formed in the inner wall surface of the broken bone hole, a guide wheel 4 is arranged in the conical groove, the guide wheel 4 is fixedly connected with a broken bone disk 6 arranged in the broken bone hole, a bracket 51 is fixedly connected to the bottom of the broken bone sleeve 5, the broken bone disk 6 is rotatably connected with the bracket 51 through a rotating shaft 61, a plurality of spiral grooves 42 are formed in the guide wheel 4, a plurality of broken bone teeth 62 are arranged outside the broken bone disk 6, the axis of the broken bone teeth 62 is inclined to the axis of the broken bone disk 6 and opposite to the spiral direction of the spiral grooves 42, a connecting rod 41 is fixedly connected to the upper end of the guide wheel 4, and a plug 43 is arranged at the upper end of the connecting rod 41;
the feed pipe 2 is connected with the broken bone sleeve 5 in a separated way through a buckle, and a feed inlet 21 for placing broken bones is arranged on one side of the feed pipe 2;
the motor 1 is assembled on the feeding pipe 2, and the output shaft of the motor 1 is fixedly connected with a plug bush 11 matched with the plug 43.
The utility model is used when in use: the bone is put into the feeding pipe 2 through the feeding hole 21 on the feeding pipe 2, then falls into a conical cavity between the conical groove and the guide wheel 4, then the motor 1 drives the guide wheel 4 and the bone crushing disc 6 to rotate, the bone moves downwards under the driving of the spiral groove 42 on the guide wheel 4, enters into a gap between the bone crushing disc 6 and the bone crushing hole, the bone is crushed by the rotating bone crushing disc 6, and the crushed bone falls into the receiving box.
After the bone cracker is used, the supporting cylinder 3, the bone cracker sleeve 5, the feeding pipe 2 and the motor 1 are separated, then the bone cracker sleeve 5 and the feeding pipe 2 are washed by running water, and finally the bone cracker is soaked and disinfected by alcohol.
A plurality of guide grooves 52 which are inclined with the axial direction of the conical sleeve are arranged on the inner wall surface of the conical groove, and the section of the guide grooves 52 is right triangle. This structure can prevent bone from slipping, and is beneficial for the guide wheel 4 to drive the bone to move downwards.
The bottom of the supporting cylinder 3 is fixedly connected with an anti-slip rubber ring 31. Prevent the bone breaker from overturning.
The feed pipe 2 is made of transparent plastic. It is convenient for medical staff to observe the crushing condition of the bones in the feeding pipe 2.
The support 51 is provided with a positioning block 53, the positioning block 53 is provided with a through hole in a rising manner, and the rotating shaft 61 is detachably inserted into the through hole. The structure can conveniently detach the guide wheel 4 and the broken bone plate 6 from the conical groove, firstly can be conveniently cleaned, and secondly can replace the guide wheel 4 and the broken bone plate 6 with different diameters so as to realize the adjustment of the gap between the broken bone plate 6 and the broken bone hole and meet the broken bone demands of medical staff on bone particles with different particle diameters.
Claims (5)
1. A medical bone breaker, which is characterized in that: comprises a supporting cylinder (3), a broken bone sleeve (5), a feeding pipe (2) and a motor (1);
an opening for placing the material receiving box is formed in one side of the supporting cylinder (3);
the broken bone sleeve (5) is assembled on the supporting cylinder (3), a conical groove is formed in the broken bone sleeve (5), broken bone holes are communicated with the lower end of the conical groove, a plurality of broken bone grooves are formed in the inner wall surface of each broken bone hole, a guide wheel (4) is arranged in the conical groove, the guide wheel (4) is fixedly connected with a broken bone plate (6) arranged in each broken bone hole, a support (51) is fixedly connected to the bottom of the broken bone sleeve (5), the broken bone plate (6) is rotationally connected with the support (51) through a rotating shaft (61), a plurality of spiral grooves (42) are formed in the guide wheel (4), a plurality of broken bone teeth are formed outside the broken bone plate (6), a connecting rod is fixedly connected to the upper end of the guide wheel (4), and a plug (43) is arranged at the upper end of the connecting rod;
the feeding pipe (2) is connected with the broken bone sleeve (5) in a separated way through a buckle, and a feeding hole (21) for placing broken bones is formed in one side of the feeding pipe (2);
the motor (1) is assembled on the feeding pipe (2), and an output shaft of the motor (1) is fixedly connected with a plug bush (11) matched with the plug (43).
2. A medical bone breaker according to claim 1, wherein: a plurality of guide grooves (52) which are inclined with the axial direction of the conical sleeve are arranged on the inner wall surface of the conical groove, and the section shape of each guide groove (52) is a right triangle.
3. A medical bone breaker according to claim 1 or 2, characterized in that: an anti-slip rubber ring (31) is fixedly connected to the bottom of the supporting cylinder (3).
4. A medical bone breaker according to claim 1 or 2, characterized in that: the feeding pipe (2) is made of transparent plastic.
5. A medical bone breaker according to claim 1 or 2, characterized in that: a positioning block (53) is arranged on the bracket (51), a through hole is formed in the lifting of the positioning block (53), and the rotating shaft (61) is detachably inserted into the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222615481.XU CN218943430U (en) | 2022-10-02 | 2022-10-02 | Medical bone cracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222615481.XU CN218943430U (en) | 2022-10-02 | 2022-10-02 | Medical bone cracker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218943430U true CN218943430U (en) | 2023-05-02 |
Family
ID=86136277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222615481.XU Active CN218943430U (en) | 2022-10-02 | 2022-10-02 | Medical bone cracker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218943430U (en) |
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2022
- 2022-10-02 CN CN202222615481.XU patent/CN218943430U/en active Active
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