CN114029132B - Drum-type bone crushing device - Google Patents
Drum-type bone crushing device Download PDFInfo
- Publication number
- CN114029132B CN114029132B CN202111301808.XA CN202111301808A CN114029132B CN 114029132 B CN114029132 B CN 114029132B CN 202111301808 A CN202111301808 A CN 202111301808A CN 114029132 B CN114029132 B CN 114029132B
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- block
- bone
- roller
- connecting block
- tray
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Prostheses (AREA)
Abstract
The invention relates to the technical field of medical appliances, in particular to a drum-type bone crushing device. The drum-type bone crushing device comprises a drum shell, a drum, a bone crushing tray and a handle, wherein the drum shell comprises a cylindrical outer sleeve, a base arranged at the lower end of the cylindrical outer sleeve, a bone block inlet arranged on the cylindrical outer sleeve and communicated with an inner cavity of the cylindrical outer sleeve, and a pressing block arranged in the bone block inlet, and a bayonet is arranged at the lower edge of one end of the cylindrical outer sleeve; the roller is arranged in the cylindrical jacket, the outer wall of the roller is provided with a broken bone leakage structure, one end of the roller is opened, the other end of the roller is closed, the closed end of the roller is provided with a first connecting block, and the first connecting block is driven to rotate through a handle; the broken bone tray sets up in the cylinder inner chamber, and broken bone tray opening is upwards, and broken bone tray's one end is provided with the fixture block, and the fixture block card is on the bayonet socket of cylindric overcoat, and broken bone tray's the other end is connected and can be dismantled from the cylinder with the cylinder rotation. The broken bone tray has high stability after being installed, and each component structure is convenient to detach and overhaul.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a drum-type bone crushing device.
Background
In the bone surgery, a small amount of bone pieces taken out of a part of patients are often required to be cut into broken bones with the size of rice grains, and the broken bones are placed at the positions where the bone fusion growth is required to be promoted, and the effect of the bone pieces is far better than that of the artificial synthetic granular artificial bones because the bone pieces are active fresh autologous bones of the patients. Although the autologous bone has a certain damage to the bone taking part, the autologous bone has the advantages of quick growth, high fusion rate and the like, and is widely used in clinic. For example, in spinal fusion surgery, the autologous broken bone is implanted into the intervertebral space to realize fusion of the upper and lower vertebral bodies, and in scoliosis orthopedic surgery, the autologous broken bone can be placed on the vertebral lamina, articular processes, transverse processes and other parts behind the spine to realize lateral and posterior fusion of the spine. In order to cut the bone blocks taken down into small particles, the large bone blocks are separated from each other small by using rongeurs in operation, the number of the particles can reach tens or even hundreds, time and labor are wasted, the operation is completely dependent on hand feeling, the sizes of the bone blocks which are bitten are uneven, the particles are often too thick, and the growth of bones and the treatment effect of bones can be affected after the bone blocks are implanted into the body.
The drum-type bone crusher disclosed by the Chinese patent CN207324996U is provided with a box-shaped machine body, wherein a freely rotatable bone crushing roller is transversely arranged in the box-shaped machine body, one side of the bone crushing roller is provided with a connecting rotating shaft, the connecting rotating shaft at the outer side of the box-shaped machine body is provided with a rotating handle, the box-shaped machine body at the opposite side of the rotating handle is provided with a bone taking opening opposite to the inside of the bone crushing roller, a bone crushing box with an upward opening is arranged in the bone taking opening in a sliding manner, a bone crushing filling notch is formed in the box-shaped machine body above the bone crushing roller, and a bone crushing pressing block is arranged in the bone crushing filling notch; the broken bone roller is in a cylinder shape with one end closed; the broken bone roller is provided with a falling through hole communicated with the inner side of the broken bone roller, and the outer side wall of the broken bone roller at one side of the falling through hole is provided with a cutting knife. Such bone crushers have some drawbacks in practical use, such as: (1) the stability of the crushed bone box needs to be further improved; (2) The structural member is inconvenient to detach, and parts and overhaul are inconvenient to replace.
Disclosure of Invention
The invention aims to provide a drum-type bone crushing device, which overcomes the defects of the prior art, has high stability after the installation of a bone crushing tray, is convenient to detach after the use, can conveniently detach and install parts, is beneficial to maintenance, and has more reasonable handle operation.
The technical scheme adopted for solving the technical problems is as follows:
A drum-type bone crushing device, comprising a drum shell, a drum, a bone crushing tray and a handle, wherein:
the roller shell comprises a cylindrical outer sleeve, a base arranged at the lower end of the cylindrical outer sleeve, a bone block inlet arranged on the cylindrical outer sleeve and communicated with the inner cavity of the cylindrical outer sleeve, and a pressing block arranged in the bone block inlet, wherein a bayonet is arranged at the lower edge of one end of the cylindrical outer sleeve;
The roller is arranged in the cylindrical jacket, the outer wall of the roller is provided with a broken bone leakage structure, one end of the roller is opened, the other end of the roller is closed, the closed end of the roller is provided with a first connecting block, and the first connecting block is driven to rotate through a handle;
the broken bone tray is arranged in the inner cavity of the roller, the opening of the broken bone tray faces upwards, a clamping block is arranged at one end of the broken bone tray and is clamped on the bayonet of the cylindrical jacket, and the other end of the broken bone tray is rotationally connected with the roller and can be detached from the roller;
The broken bone blocks are added from the bone block inlet and then are pressed into a pressing block, the handle drives the roller to rotate, the broken bone leaking mechanism on the outer wall of the roller cuts the bone blocks, broken bone particles of the device leak into the inner cavity of the roller after being ground by the outer wall of the roller and the inner wall of the cylindrical jacket and fall on the broken bone tray, the broken bone tray is clamped on the cylindrical jacket to keep an opening upwards motionless in the rotating process of the roller, and the broken bone tray is detached and taken out after the broken bone particles are completely ground.
Further, a second connecting block is arranged at one end, far away from the clamping block, of the broken bone tray, a second connecting block socket is formed in the first connecting block, the second connecting block is inserted into the second connecting block socket, a circle of annular grooves are formed in the outer wall of the second connecting block, and the first connecting block and the second connecting block are connected through a connecting mechanism;
The connecting mechanism comprises a button, a first spring and a pin shaft, wherein a button slot is formed in the first connecting block, the button is inserted into the button slot, the lower end of the button is connected with the upper end of the first spring, the lower end of the first spring is connected with the bottom of the button slot, an opening matched with the outer diameter of the second connecting block is formed in the button, the second connecting block is inserted into the opening, the position of the annular groove corresponds to the position of the opening, a strip hole is formed in the button along the expansion direction of the spring, the pin shaft is arranged on the first connecting block and is inserted into the strip hole, the lower edge of the opening is abutted against the bottom of the annular groove when the spring naturally stretches out, and the pin shaft is positioned at the lower end of the inner cavity of the strip hole;
When the button is pressed, the opening is aligned with the second connecting block when the pin shaft is positioned at the upper end of the inner cavity of the strip hole, the second connecting block can be inserted or pulled out at the moment, the broken bone tray is installed or detached on the roller, when the button is not pressed, the opening is abutted to the bottom of the annular groove under the action of the elasticity of the spring, and the clamping block of the broken bone tray is clamped on the bayonet of the cylindrical jacket, so that the position of the broken bone tray is kept stable when the handle drives the roller to rotate.
Further, the tail end of the first connecting block is provided with a tooth block movable groove, a tooth block is arranged in the tooth block movable groove, one end of the tooth block is rotationally clamped with the tooth block movable groove, the other end of the tooth block is connected with the groove bottom of the tooth block movable groove through a second spring, and one corner of the tooth block extends out of the outer wall of the first connecting block under the action of the spring;
the handle is a ratchet handle, and the handle is located at the outer side of the tooth block through a sealing cap limit connected with the first connecting block.
The handle comprises a ratchet wheel outer sleeve and a handle rod, the ratchet wheel outer sleeve comprises a rod end and a ring end, the rod end is connected with the handle rod, tooth grooves matched with the tooth blocks are formed in the inner wall of the ring end along the circumferential direction, when the handle rod is rotated, the tooth grooves in the inner cavity of the ratchet wheel outer sleeve push the tooth blocks, and the tooth blocks slide into the adjacent tooth grooves which are phase-shifted downwards to drive the roller to rotate.
Further, one or more strip openings are formed in the side face of the bone block inlet along the direction in which the pressing block is placed, threaded holes corresponding to the positions of the strip openings are formed in the side wall of the pressing block, and the pressing block is pressed into the strip openings and locked through screws penetrating through the strip openings; the pressing handle is arranged on the pressing block, the pressing handle is pressed into the pressing block or pulled out of the pressing block, and the locking of the screw enhances the position stability of the pressing block.
Further, the lower end surface of the pressing block is arc-shaped and matched with the outer wall of the roller, and a plurality of tooth-shaped long grooves are formed in the arc-shaped lower end surface of the pressing block at intervals and used for pressing bone blocks.
Further, the broken bone leakage structure comprises cutting blades and bone leakage holes, the cutting blades are arranged in a plurality of rows along the outer wall of the roller at intervals, one side of each cutting blade is provided with the bone leakage holes, broken bone particles are formed by cutting bone blocks through the cutting blades, and the broken bone particles fall into a broken bone tray through the bone leakage holes after being ground by the outer wall of the roller and the inner cavity of the cylindrical outer sleeve.
The beneficial effects of the invention are as follows: compared with the prior art, the drum-type bone crushing device has the following advantages: (1) When the button is pressed, the opening is aligned with the second connecting block when the pin shaft is positioned at the upper end of the inner cavity of the strip hole, and the second connecting block can be inserted or pulled out at the moment, so that the broken bone tray can be mounted or dismounted on the roller; (2) The broken bone pieces are added from the bone piece inlet and then are pressed into a pressing block, the handle drives the roller to rotate, the broken bone leaking mechanism on the outer wall of the roller cuts the bone pieces, broken bone particles of the device leak into the inner cavity of the roller after being ground by the outer wall of the roller and the inner wall of the cylindrical jacket and fall on the broken bone tray, the broken bone tray is clamped on the cylindrical jacket to keep an opening to be upwards motionless in the rotating process of the roller, the broken bone tray is detached after the broken bone particles are completely ground, the broken bone tray containing the broken bone particles is taken out, and the handle, the roller and other structures can be conveniently detached, so that the maintenance and the replacement of parts are facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another angle overall structure of the present invention;
FIG. 3 is a partially disassembled schematic illustration of the structure of the present invention;
FIG. 4 is a schematic view of another angle structure of the present invention after being partially disassembled;
FIG. 5 is a schematic view of the structure of the drum, crushed bone tray and handle of the present invention;
FIG. 6 is a schematic view of another angular configuration of the drum, crushed bone tray and handle of the present invention;
The novel bone screw comprises a 1-roller shell, a 101-cylindrical outer sleeve, a 102-base, a 103-bone block inlet, a 104-press block, a 105-bayonet, a 106-strip opening, 108 screws, 109-press handles, 2 rollers, 201 cutters, 202 bone leakage holes, 203 first connecting blocks, 204 tooth block movable grooves, 205 tooth blocks, 206 second springs, 3 broken bone trays, 301 clamping blocks, 302 second connecting blocks, 303 annular grooves, 4 handles, 401 handle rods, 402 rod ends, 403 ring ends, 404 tooth grooves, 5 connecting mechanisms, 501 buttons, 502 first springs, 503 pin shafts, 504 open holes, 505 long-strip holes and 6 sealing caps.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-6, a drum-type bone crushing device comprises a drum shell 1, a drum 2, a bone crushing tray 3 and a handle 4, wherein:
The roller shell 1 comprises a cylindrical outer sleeve 101, a base 102 arranged at the lower end of the cylindrical outer sleeve 101, a bone block inlet 103 arranged on the cylindrical outer sleeve 101 and communicated with the inner cavity of the cylindrical outer sleeve 101, and a pressing block 104 arranged in the bone block inlet 103, wherein a bayonet 105 is arranged at the lower edge of one end of the cylindrical outer sleeve 101;
the roller 2 is arranged in the cylindrical jacket 101, a broken bone leakage structure is arranged on the outer wall of the roller 2, the broken bone leakage structure comprises a cutting knife 201 and bone leakage holes 202, a plurality of rows of cutting knives 201 are arranged at intervals along the outer wall of the roller, the bone leakage holes 202 are arranged on one side of the cutting knives 201, broken bone particles are formed by cutting bone blocks through the cutting knives 201, the broken bone particles are ground by the inner cavity of the cylindrical jacket 101 and the outer wall of the roller, one end of the roller 2 is sealed, a first connecting block 203 is arranged at the sealed end of the roller 2, and the first connecting block 203 is driven to rotate through a handle 4;
The broken bone tray 3 is arranged in the inner cavity of the roller 2, the opening of the broken bone tray 3 faces upwards, a clamping block 301 is arranged at one end of the broken bone tray 3, the clamping block 301 is clamped on the bayonet 105 of the cylindrical jacket 101, and the other end of the broken bone tray 3 is rotatably connected with the roller 2 and can be detached from the roller 2;
the broken bone blocks are added from the bone block inlet 103 and then are pressed into the pressing block 104, the handle 4 drives the roller 2 to rotate, the broken bone leaking mechanism on the outer wall of the roller 2 cuts the bone blocks, broken bone particles of the device leak into the inner cavity of the roller 2 after being ground by the outer wall of the roller and the inner wall of the cylindrical jacket 101 and fall on the broken bone tray 3, the broken bone tray 3 is clamped on the cylindrical jacket 101 in the rotating process of the roller, the opening of the broken bone tray 3 is kept to be upwards motionless, the broken bone tray 3 is disassembled after all the broken bone particles are ground, and the broken bone tray 3 containing the broken bone particles is taken out.
In this embodiment, a second connection block 302 is disposed at one end of the broken bone tray 3 far away from the fixture block 301, a second connection block socket is disposed on the first connection block 203, the second connection block 302 is inserted into the second connection block socket, a circle of annular groove 303 is disposed on the outer wall of the second connection block 302, and the first connection block 203 and the second connection block 302 are connected through the connection mechanism 5;
The connecting mechanism 5 comprises a button 501, a first spring 502 and a pin shaft 503, wherein the first connecting block 203 is provided with a button slot, the button 501 is inserted into the button slot, the lower end of the button 501 is connected with the upper end of the first spring 502, the lower end of the first spring 502 is connected with the bottom of the button slot, an opening 504 matched with the outer diameter of the second connecting block 302 is formed in the button 501, the second connecting block 302 is inserted into the opening 504, the position of the annular slot corresponds to the position of the opening, a strip hole 505 is formed in the button 501 along the expansion direction of the first spring 502, the pin shaft 503 is arranged on the first connecting block 203, the pin shaft 503 is inserted into the strip hole 505, the lower edge of the opening 504 is abutted against the bottom of the annular slot 303 when the first spring 502 naturally stretches out, and the pin shaft 503 is positioned at the lower end of the inner cavity of the strip hole 505;
when the button 501 is pressed to enable the pin shaft 503 to be located at the upper end of the inner cavity of the strip hole 505, the opening 504 is aligned with the second connecting block 302, at this time, the second connecting block 302 can be inserted into or pulled out, so that the broken bone tray 3 can be mounted or dismounted on the roller 2, and when the button 501 is not pressed, under the action of the self elasticity of the first spring 502, the opening 504 is abutted against the bottom of the annular groove 303, and as the clamping block of the broken bone tray 3 is clamped on the bayonet 105 of the cylindrical jacket 101, the position of the broken bone tray 3 is kept stable when the handle 4 drives the roller 2 to rotate.
In this embodiment, the end of the first connection block 203 is provided with a tooth block movable slot 204, a tooth block 205 is disposed in the tooth block movable slot 204, one end of the tooth block 205 is rotationally clamped with the tooth block movable slot 204, the other end is connected with the slot bottom of the tooth block movable slot 204 through a second spring 206, and one corner of the tooth block 205 extends out of the outer wall of the first connection block 203 under the action of the second spring 206;
The handle 4 is a ratchet handle, and the handle 4 is limited on the outer side of the tooth block 205 through a sealing cap 6 connected with the first connecting block 203.
The handle 4 comprises a ratchet sleeve and a handle rod 401, the ratchet sleeve comprises a rod end 402 and a ring end 403, the rod end 402 is connected with the handle rod 401, tooth grooves 404 matched with the tooth blocks 205 are formed in the inner wall of the ring end 403 along the circumferential direction, when the handle rod is rotated, tooth grooves in the inner cavity of the ratchet sleeve push the tooth blocks, and the tooth blocks slide into adjacent tooth grooves in a downward phase shifting mode to drive the roller to rotate.
In this embodiment, the side surface of the bone block inlet 103 is provided with one or more strip openings 106 along the direction in which the pressing block 104 is placed, the side wall of the pressing block 104 is provided with threaded holes corresponding to the positions of the strip openings 106, and the pressing block 104 is pressed into the strip openings and locked by screws 108 passing through the strip openings 106; the pressing handle 109 is arranged on the pressing block 104, and the pressing handle 109 is pressed into the pressing block 104 or the pressing block 104 is pulled out, so that the locking of the screw 108 enhances the position stability of the pressing block 104.
In this embodiment, the lower end surface of the pressing block 104 is in an arc shape matched with the outer wall of the roller, and a plurality of tooth-shaped long grooves are arranged on the arc-shaped lower end surface of the pressing block 104 at intervals for pressing bone blocks.
The foregoing embodiments are merely examples of the present invention, and the scope of the present invention includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (4)
1. A drum-type broken bone device which characterized in that: including cylinder shell, cylinder, garrulous bone tray and handle, wherein:
the roller shell comprises a cylindrical outer sleeve, a base arranged at the lower end of the cylindrical outer sleeve, a bone block inlet arranged on the cylindrical outer sleeve and communicated with the inner cavity of the cylindrical outer sleeve, and a pressing block arranged in the bone block inlet, wherein a bayonet is arranged at the lower edge of one end of the cylindrical outer sleeve;
The roller is arranged in the cylindrical jacket, the outer wall of the roller is provided with a broken bone leakage structure, one end of the roller is opened, the other end of the roller is closed, the closed end of the roller is provided with a first connecting block, and the first connecting block is driven to rotate through a handle;
the broken bone tray is arranged in the inner cavity of the roller, the opening of the broken bone tray faces upwards, a clamping block is arranged at one end of the broken bone tray and is clamped on the bayonet of the cylindrical jacket, and the other end of the broken bone tray is rotationally connected with the roller and can be detached from the roller;
The broken bone tray is characterized in that a second connecting block is arranged at one end, far away from the clamping block, of the broken bone tray, a second connecting block socket is formed in the first connecting block, the second connecting block is inserted into the second connecting block socket, a circle of annular grooves are formed in the outer wall of the second connecting block, and the first connecting block and the second connecting block are connected through a connecting mechanism;
The connecting mechanism comprises a button, a first spring and a pin shaft, wherein a button slot is formed in the first connecting block, the button is inserted into the button slot, the lower end of the button is connected with the upper end of the first spring, the lower end of the first spring is connected with the bottom of the button slot, an opening matched with the outer diameter of the second connecting block is formed in the button, the second connecting block is inserted into the opening, the position of the annular groove corresponds to the position of the opening, a strip hole is formed in the button along the expansion direction of the first spring, the pin shaft is arranged on the first connecting block and is inserted into the strip hole, the lower edge of the opening is abutted against the bottom of the annular groove when the first spring naturally stretches out, and the pin shaft is positioned at the lower end of an inner cavity of the strip hole;
The tail end of the first connecting block is provided with a tooth block movable groove, a tooth block is arranged in the tooth block movable groove, one end of the tooth block is rotationally clamped with the tooth block movable groove, the other end of the tooth block is connected with the groove bottom of the tooth block movable groove through a second spring, and one corner of the tooth block extends out of the outer wall of the first connecting block under the action of the second spring;
The handle is a ratchet handle and is positioned at the outer side of the tooth block through a sealing cap connected with the first connecting block;
The handle comprises a ratchet wheel jacket and a handle rod, the ratchet wheel jacket comprises a rod end and a ring end, the rod end is connected with the handle rod, and tooth grooves matched with the tooth blocks are formed in the inner wall of the ring end along the circumferential direction;
One or more strip openings are formed in the side face of the bone block inlet along the direction in which the pressing block is placed, threaded holes corresponding to the positions of the strip openings are formed in the side wall of the pressing block, and the pressing block is pressed into the strip openings and locked through screws penetrating through the strip openings.
2. A drum-type bone crushing device according to claim 1, wherein: the pressing block is provided with a pressing handle.
3. A drum-type bone crushing device according to claim 1, wherein: the lower end surface of the pressing block is arc-shaped and matched with the outer wall of the roller, and a plurality of tooth-shaped long grooves are formed in the arc-shaped lower end surface of the pressing block at intervals.
4. A drum-type bone crushing device according to claim 1, wherein: the broken bone leakage structure comprises cutting blades and bone leakage holes, wherein multiple rows of cutting blades are arranged along the outer wall of the roller at intervals, and one side of each cutting blade is provided with the bone leakage holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301808.XA CN114029132B (en) | 2021-11-04 | 2021-11-04 | Drum-type bone crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301808.XA CN114029132B (en) | 2021-11-04 | 2021-11-04 | Drum-type bone crushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029132A CN114029132A (en) | 2022-02-11 |
| CN114029132B true CN114029132B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111301808.XA Active CN114029132B (en) | 2021-11-04 | 2021-11-04 | Drum-type bone crushing device |
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| CN (1) | CN114029132B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114569298B (en) * | 2022-05-06 | 2022-07-12 | 山东第一医科大学附属省立医院(山东省立医院) | Composite bone crushing device for spinal surgery |
| CN119387279B (en) * | 2024-12-13 | 2025-09-30 | 海陆(烟台)环保疏浚有限公司 | Asphalt milling material adhering to asphalt separation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216322367U (en) * | 2021-11-04 | 2022-04-19 | 山东威高骨科材料股份有限公司 | Drum-type broken bone grain preparation facilities |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7033359B2 (en) * | 2003-04-21 | 2006-04-25 | Moshe Meller | Rotary apparatus for grafting and collecting bone |
| CN207324996U (en) * | 2017-09-08 | 2018-05-08 | 山东威高骨科材料股份有限公司 | A kind of drum-type bone cutter |
| CN209531082U (en) * | 2019-01-31 | 2019-10-25 | 保定康强医疗器械制造有限公司 | A kind of bone cutter |
| CN210159723U (en) * | 2019-04-30 | 2020-03-20 | 胡世通 | Drum-type vegetable-cutting meat grinder |
| CN112473948A (en) * | 2020-10-26 | 2021-03-12 | 青岛智兴医疗器械有限公司 | Manual bone grinder convenient to use |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216322367U (en) * | 2021-11-04 | 2022-04-19 | 山东威高骨科材料股份有限公司 | Drum-type broken bone grain preparation facilities |
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| CN114029132A (en) | 2022-02-11 |
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