CN108577960B - Special compound bone crusher in spinal surgery - Google Patents
Special compound bone crusher in spinal surgery Download PDFInfo
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- CN108577960B CN108577960B CN201810219545.XA CN201810219545A CN108577960B CN 108577960 B CN108577960 B CN 108577960B CN 201810219545 A CN201810219545 A CN 201810219545A CN 108577960 B CN108577960 B CN 108577960B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8863—Apparatus for shaping or cutting osteosynthesis equipment by medical personnel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention relates to the technical field of spinal surgery equipment, in particular to a special composite bone crusher for spinal surgery, which comprises a molding cavity and a crushing cavity, wherein the molding cavity is provided with a plurality of cavities; the invention provides a special composite bone crusher for spinal surgery, which drives a movable plate to move up and down along a crushing cavity by a turntable through a rotating pair, and crushes bones by matching with a hammer head and a compression roller and guides the crushed bones to a bottom plate of a molding cavity; the main rotating shaft rotates and is guided by the sliding block of the sliding chute to realize the extension and contraction of the screw rod, so as to drive the pressing plate to move up and down and compact the aggregate; the telescopic assembly is in transmission connection with the crushing assembly through the transmission assembly, so that crushing and molding are completed through a single power source, and the control is convenient.
Description
Technical Field
The invention relates to the technical field of spinal surgery equipment, in particular to a special composite bone crusher for spinal surgery.
Background
As the name suggests, the medical bone crusher cuts bones into small particle bone fragments, the particle size meets the use requirement, the bone fragments are mainly used for fillers between bones in the operation, and the bone fragments are needed in the currently known common spine fusion operation. The spine is formed by the joining of different vertebral bodies by an anterior disc and two posterior facet joints that allow the spine to bend and twist, which may become worn or degenerate with age or trauma, causing pain. It is necessary to stabilize the arthritic site of the spine by a drug or surgical method,
in the spinal fusion operation, bones taken out from other parts of a patient need to be cut up, and obtained broken bone particles are molded and used for filling and supporting between adjacent vertebras, so that the aim of curing and relieving the patient is fulfilled; however, in the prior art, separate machines are mostly adopted for bone crushing and molding, and the efficiency is low.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects in the prior art and provides a special composite bone crusher for spinal surgery.
(II) technical scheme
A special composite bone crusher for spinal surgery comprises a molding cavity and a crushing cavity, wherein the crushing cavity is arranged on the right side of the molding cavity and is fixedly connected with the molding cavity through a connecting rod, and the bottom of the crushing cavity is communicated with the right lower part of the molding cavity through a material guide pipe; a pressing plate is connected in a sliding manner in the vertical direction in the molding cavity; the top of the pressure plate is connected with a telescopic assembly, and the telescopic assembly extends upwards out of the molding cavity and is connected with a power source; the crushing cavity is provided with a crushing assembly, and the crushing assembly is in transmission connection with the telescopic assembly through a transmission assembly.
Preferably, flexible subassembly includes main pivot and screw rod, and the main pivot is vertical to run through the molding chamber roof and is connected with the rotation of molding chamber roof through the bearing, and main pivot is hollow pole, and inside is provided with the internal thread, screw rod one end spiro union main pivot, other end downwardly connecting clamp plate.
Preferably, a vertical sliding groove is formed in the left side plate of the molding cavity, a sliding block is also arranged at the left end of the pressing plate, and the sliding block is connected with the sliding groove in a sliding mode; the front side of the molding cavity 1 is hinged with a movable door.
Preferably, the transmission assembly comprises a driving gear, a driven shaft and a turntable, the driving gear is arranged on a driving shaft and extends out of the molding cavity section, the driven gear and the driving gear are vertically arranged and are mutually meshed, the driven gear is connected with the driven shaft which is horizontally arranged, and the other end of the driven shaft is connected with the turntable; and a support plate is arranged at the top of the molding cavity, and the driven shaft penetrates through the support plate and is rotationally connected with the support plate through a bearing.
Preferably, the power source is a rotating handle, and the rotating handle is provided with a rubber sleeve.
Preferably, crushing unit includes revolute pair, fly leaf, spring beam and compression roller, and revolute pair one end is rotated with the carousel outer lane and is connected, the fly leaf is connected to the other end, fly leaf and crushing intracavity wall sliding connection, and the spring beam symmetry becomes the type of falling V and articulates in the fly leaf bottom, and the spring beam bottom is provided with the compression roller, and fly leaf bottom surface center still is connected with the tup downwards through the member.
Preferably, a feeding port is formed in the side wall of the crushing cavity; the longitudinal section of the bottom of the crushing cavity is arc-shaped, and a filter screen is arranged at the connecting end of the crushing cavity and the material guide pipe.
Preferably, the outer wall of the material guide pipe is uniformly provided with vibrating pieces.
Preferably, the molding cavity is provided with a guide table with a triangular section corresponding to the outlet of the material guide pipe.
Preferably, the device also comprises a pushing assembly, which comprises a push rod and a push plate; the forming cavity right side board corresponds and is provided with the holding tank that is used for accomodating the push pedal between direction platform and the bottom plate, and the push rod level passes forming cavity right side board and connects the push pedal.
(III) advantageous effects
The invention provides a special composite bone crusher for spinal surgery, which drives a movable plate to move up and down along a crushing cavity by a turntable through a rotating pair, and crushes bones by matching with a hammer head and a compression roller and guides the crushed bones to a bottom plate of a molding cavity; the main rotating shaft rotates and is guided by the sliding block of the sliding chute to realize the extension and contraction of the screw rod, so as to drive the pressing plate to move up and down and compact the aggregate; the telescopic assembly is in transmission connection with the crushing assembly through the transmission assembly, so that crushing and molding are completed through a single power source, and the control is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-molding cavity, 101-chute, 102-containing groove, 103-support plate, 104-inclined table, 2-crushing cavity, 201-movable plate, 202-revolute pair, 203-spring rod, 204-press roller, 205-filter screen, 206-guide tube, 207-vibrating plate, 208-hammer head, 3-main rotating shaft, 301-driving gear, 302-handle, 3021-rubber sleeve, 303-screw rod, 304-press plate, 3041-slide block, 305-bottom plate, 4-driven shaft, 401-driven gear, 402-rotary table, 5-push rod and 501-push plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings, the special composite bone crusher for the spinal surgery comprises a molding cavity 1 and a crushing cavity 2, wherein the crushing cavity 2 is arranged on the right side of the molding cavity 1 and is fixedly connected with the molding cavity 1 through a connecting rod, the bottom of the crushing cavity 2 is communicated with the lower right part of the molding cavity 1 through a material guide pipe 206, and the material guide pipe 206 is provided with a filter screen 205; a pressing plate 304 is connected in the molding cavity 1 in a sliding manner in the vertical direction; the top of the pressing plate 304 is connected with a telescopic component, and the telescopic component extends upwards to form a mold cavity 1 and is connected with a power source; crushing chamber 2 is provided with crushing unit, and crushing unit passes through drive assembly and is connected with the transmission of flexible subassembly.
Wherein, flexible subassembly includes main pivot 3 and screw rod 303, and main pivot 3 is vertical to run through into die cavity 1 roof and rotate with die cavity 1 roof through the bearing and be connected, and main pivot 3 is hollow pole, and inside processing has the internal thread, screw rod 303 one end spiro union main pivot 3, the other end downwardly connecting clamp plate 304.
Wherein, the left side plate of the molding cavity 1 is provided with a vertical chute 101, the left end of the pressure plate 304 is also provided with a slide block 3041, and the slide block 3041 is in sliding connection with the chute 101; the front side of the molding cavity 1 is hinged with a movable door (not shown).
The transmission assembly comprises a driving gear 301, a driven gear 401, a driven shaft 4 and a turntable 402, wherein the driving gear 301 is installed on a driving shaft 3 and extends out to form a section 1 of the mold cavity, the driven gear 401 and the driving gear 301 are vertically arranged and are mutually meshed, the driven gear 401 is connected with the driven shaft 4 which is horizontally arranged, and the other end of the driven shaft 4 is connected with the turntable 402; a support plate 103 is further mounted at the top of the molding cavity 1, and the driven shaft 4 penetrates through the support plate 103 and is in rotary connection with the support plate 103 through a bearing.
The crushing assembly comprises a revolute pair 202, a movable plate 201, a spring rod 203, a pressing roller 204 and a hammer 208, one end of the revolute pair 202 is rotatably connected with the outer ring of the turntable 402, the other end of the revolute pair is connected with the movable plate 201, the movable plate 201 is slidably connected with the inner wall of the crushing cavity 2, the spring rod 203 is symmetrically hinged to the bottom surface of the movable plate 201 in an inverted V shape, the pressing roller 204 is installed at the bottom end of the spring rod 203, and the center of the bottom surface of the movable plate 201 is.
Wherein, a feeding port is processed on the side wall of the crushing cavity 2; the longitudinal section of the bottom of the crushing cavity 2 is arc-shaped, and the end connected with the material guide pipe 206 is provided with a filter screen 205.
Wherein, the vibrating plate 207 is evenly arranged on the outer wall of the material guide pipe 206, which is convenient for blanking.
Wherein, a guide table 104 with a triangular section is arranged in the molding cavity 1 corresponding to the outlet of the material guide pipe 206.
Wherein, also comprises a pushing component which comprises a push rod 5 and a push plate 501; an accommodating groove 102 for accommodating the push plate 501 is formed between the corresponding guide table 104 and the bottom plate 305 of the right side plate of the molding cavity 1, and the push rod 5 horizontally penetrates through the right side plate of the molding cavity 1 and is connected with the push plate 501.
In one embodiment, the power source is a rotating handle 302, and the rotating handle 302 is sleeved with a rubber sleeve 3021. Specifically, a corresponding mold is manufactured according to the filling shape required by the patient operation and is installed on the bottom surface of the pressing plate 304; bones taken out of other parts of a patient are cleaned and put into the crushing cavity 2, a main rotating shaft 3 is driven manually through a rotating handle 302, and a screw 304 vertically moves under the action of the sliding groove 101 and the sliding block 3041 to realize expansion; meanwhile, the transmission assembly transmits power, the turntable 402 rotates and drives the movable plate to move up and down through the revolute pair 202, and the bone is crushed by matching with the hammer 208 and the compression roller 204; the crushed bones fall into a molding cavity through the material guide pipe 206, the push plate 501 is manually pushed to gather the bones, and the mold is extruded to compact the bones; and then the movable door is opened, and the formed bone mold can be taken out.
In another embodiment, the power source is a servo motor, so that the forward and reverse rotation can be conveniently adjusted and the labor can be saved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a special compound bone chopper in spinal surgery art which characterized in that: the crushing cavity is arranged on the right side of the molding cavity and is fixedly connected with the molding cavity through a connecting rod, and the bottom of the crushing cavity is communicated with the right lower part of the molding cavity through a material guide pipe; a pressing plate is connected in a sliding manner in the vertical direction in the molding cavity; the top of the pressure plate is connected with a telescopic assembly, and the telescopic assembly extends upwards out of the molding cavity and is connected with a power source; the crushing cavity is provided with a crushing assembly, and the crushing assembly is in transmission connection with the telescopic assembly through a transmission assembly;
the telescopic assembly comprises a main rotating shaft and a screw rod, the main rotating shaft vertically penetrates through the top plate of the molding cavity and is rotationally connected with the top plate of the molding cavity through a bearing, the main rotating shaft is a hollow rod, internal threads are arranged in the main rotating shaft, one end of the screw rod is in threaded connection with the main rotating shaft, and the other end of the screw rod is downwards connected with the pressing plate;
the transmission assembly comprises a driving gear, a driven shaft and a turntable, the driving gear is arranged on a driving shaft and extends out of a molding cavity section, the driven gear and the driving gear are vertically arranged and are mutually meshed, the driven gear is connected with the driven shaft which is horizontally arranged, and the other end of the driven shaft is connected with the turntable; a support plate is arranged at the top of the molding cavity, and the driven shaft penetrates through the support plate and is rotationally connected with the support plate through a bearing;
crushing unit includes revolute pair, fly leaf, spring beam and compression roller, and revolute pair one end is rotated with the carousel outer lane and is connected, the fly leaf is connected to the other end, fly leaf and crushing intracavity wall sliding connection, and the spring beam symmetry becomes the type of falling V and articulates in the fly leaf bottom, and the spring beam bottom is provided with the compression roller, and fly leaf bottom surface center still is connected with the tup downwards through the member.
2. The special composite bone crusher for spinal surgery according to claim 1, characterized in that: the left side plate of the molding cavity is provided with a vertical sliding chute, the left end of the pressing plate is also provided with a sliding block, and the sliding block is connected with the sliding chute in a sliding manner; the front side of the molding cavity 1 is hinged with a movable door.
3. The special composite bone crusher for spinal surgery according to claim 1, characterized in that: the power source is a rotating handle, and the rotating handle is provided with a rubber sleeve.
4. The special composite bone crusher for spinal surgery according to claim 1, characterized in that: a feed inlet is formed in the side wall of the crushing cavity; the longitudinal section of the bottom of the crushing cavity is arc-shaped, and a filter screen is arranged at the connecting end of the crushing cavity and the material guide pipe.
5. The special composite bone crusher for spinal surgery according to claim 1, characterized in that: the outer wall of the material guide pipe is uniformly provided with vibrating pieces.
6. The special composite bone crusher for spinal surgery according to claim 1, characterized in that: and a guide table with a triangular section is arranged in the molding cavity corresponding to the outlet of the material guide pipe.
7. The composite bone chopper special for spinal surgery according to any one of claims 1 to 6, wherein: the pushing assembly comprises a push rod and a push plate; the forming cavity right side board corresponds and is provided with the holding tank that is used for accomodating the push pedal between direction platform and the bottom plate, and the push rod level passes forming cavity right side board and connects the push pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219545.XA CN108577960B (en) | 2018-03-16 | 2018-03-16 | Special compound bone crusher in spinal surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219545.XA CN108577960B (en) | 2018-03-16 | 2018-03-16 | Special compound bone crusher in spinal surgery |
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| Publication Number | Publication Date |
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| CN108577960A CN108577960A (en) | 2018-09-28 |
| CN108577960B true CN108577960B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810219545.XA Active CN108577960B (en) | 2018-03-16 | 2018-03-16 | Special compound bone crusher in spinal surgery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811755A (en) * | 2019-11-07 | 2020-02-21 | 常州永华医疗器械有限公司 | Bone planer |
| CN113974763B (en) * | 2021-12-07 | 2023-07-21 | 河南省中医药研究院 | Intelligent grinding and drilling mechanical arm for minimally invasive surgery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008255616A1 (en) * | 2007-05-25 | 2008-12-04 | Hungry Giant Holdings Pty Ltd | A compacting machine |
| CN102335050A (en) * | 2011-07-22 | 2012-02-01 | 李健 | Bone graft capable of being directly implanted into intervertenral space and production tool thereof |
| US8109961B2 (en) * | 2006-12-27 | 2012-02-07 | Vinay Deshmukh | Bone fusion system and method |
| US20120143334A1 (en) * | 1999-02-23 | 2012-06-07 | Warsaw Orthopedic, Inc. | Shaped load-bearing osteoimplant and methods of making the same |
| CN107715955A (en) * | 2017-11-30 | 2018-02-23 | 严杰豪 | A kind of rural area apparatus for disposing of food waste |
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2018
- 2018-03-16 CN CN201810219545.XA patent/CN108577960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120143334A1 (en) * | 1999-02-23 | 2012-06-07 | Warsaw Orthopedic, Inc. | Shaped load-bearing osteoimplant and methods of making the same |
| US8109961B2 (en) * | 2006-12-27 | 2012-02-07 | Vinay Deshmukh | Bone fusion system and method |
| AU2008255616A1 (en) * | 2007-05-25 | 2008-12-04 | Hungry Giant Holdings Pty Ltd | A compacting machine |
| CN102335050A (en) * | 2011-07-22 | 2012-02-01 | 李健 | Bone graft capable of being directly implanted into intervertenral space and production tool thereof |
| CN107715955A (en) * | 2017-11-30 | 2018-02-23 | 严杰豪 | A kind of rural area apparatus for disposing of food waste |
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| CN108577960A (en) | 2018-09-28 |
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