CN217042858U - Auxiliary device for bone grafting - Google Patents
Auxiliary device for bone grafting Download PDFInfo
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- CN217042858U CN217042858U CN202123073704.6U CN202123073704U CN217042858U CN 217042858 U CN217042858 U CN 217042858U CN 202123073704 U CN202123073704 U CN 202123073704U CN 217042858 U CN217042858 U CN 217042858U
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 181
- 238000005520 cutting process Methods 0.000 claims abstract description 91
- 239000002245 particle Substances 0.000 claims abstract description 80
- 210000004872 soft tissue Anatomy 0.000 claims abstract description 78
- 238000005498 polishing Methods 0.000 claims abstract description 67
- 238000011084 recovery Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 16
- 231100000732 tissue residue Toxicity 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 14
- 241000309551 Arthraxon hispidus Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000735 allogeneic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses an auxiliary device for bone grafting, which comprises a box body and a box cover, wherein a bone grain polishing mechanism and a cutting mechanism are arranged in the box body, the bone grain polishing mechanism comprises a polishing component, a polishing transmission component and a cleaning component, the first polishing roller and the second polishing roller of the polishing transmission component drive the polishing component rotate in the same direction, the cleaning component comprises a soft tissue recovery box arranged below the polishing component, soft tissue residues on the surfaces of the first polishing roller and the second polishing roller are removed through a cleaning scraper, the cutting mechanism comprises an upper cutting body and a lower cutting body which are mutually matched, the upper cutting body moves downwards under the action of a pushing component, bone raw materials are cut through the upper cutting head and the lower cutting head which are in one-to-one correspondence, the collecting component below the bone grain polishing mechanism collects the polished bone grains together, the device has reasonable structure and simple and convenient operation, time and labor are saved, the efficiency of manufacturing bone particles for bone grafting is greatly improved, and the success rate of bone grafting is improved.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to an auxiliary device for bone grafting.
Background
The bone grafting operation is to transplant bone tissues to the bone defect position needing to be strengthened or fused in a patient body by using the operation, the bone tissues used in the operation can be autologous bone tissues and commercialized allogeneic bone tissues, the cost can be relatively reduced and the fusion rate is higher for the autologous bone, but the autologous bone needs to finish clearing the soft tissues of the bone body and cutting the bone into bone particles with proper size.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide an auxiliary device for bone grafting, can solve the bone grain size inequality among the current bone grafting, soft tissue has remains, wastes time and energy the technical problem of inefficiency.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
an auxiliary device for bone grafting comprises a box body and a box cover, wherein a funnel-shaped feed port is arranged in the box body, the outer side wall of the feed port is connected to the upper part of the box body, and a bone particle polishing mechanism is arranged below the feed port;
the bone particle polishing mechanism comprises a polishing component, a polishing transmission component and a cleaning component;
the polishing assembly comprises a first polishing roller and a second polishing roller which are horizontally arranged in parallel, two ends of a shaft of the first polishing roller are respectively movably arranged on the front wall and the rear wall of the box body, and two ends of a shaft of the second polishing roller are respectively movably arranged on the front wall and the rear wall of the box body; the distance between the first grinding roller and the second grinding roller is not more than the size of bone grains of soft tissues to be ground and is more than the size of the bone grains after the soft tissues are ground; the space between the first grinding roller and the second grinding roller is a bone grain grinding cavity for grinding bone grains, and the lower outlet of the feed inlet is positioned above the bone grain grinding cavity;
the polishing transmission assembly comprises a polishing driving motor arranged on the box body, the polishing driving motor is connected with one end of a transmission shaft, and the other end of the transmission shaft is fixedly connected with a transmission gear;
the same end of the shaft of the first grinding roller and the shaft of the second grinding roller is fixedly connected with a driven gear meshed with the transmission gear, and the transmission gear can simultaneously drive the two driven gears to rotate in the same direction.
The utility model discloses still have following technical characteristic:
the cleaning assembly comprises a first soft tissue recovery box and a second soft tissue recovery box which are horizontally and symmetrically arranged, and the tops of the first soft tissue recovery box and the second soft tissue recovery box are both open;
the left side wall of the first soft tissue recovery box is movably arranged on the left side wall of the box body, the right side wall of the first soft tissue recovery box is positioned below the first polishing roller, a horizontal supporting plate is arranged above the first soft tissue recovery box, the left side of the horizontal supporting plate is arranged on the left side wall of the box body, a first cleaning scraper blade is arranged at the edge of the right side of the horizontal supporting plate, and the first cleaning scraper blade is in contact with the surface of the first polishing roller;
the right side wall of the second soft tissue recovery box is movably arranged on the right side wall of the box body, the left side wall of the second soft tissue recovery box is located below the second polishing roller, a second cleaning scraper blade is arranged at the top of the left side wall of the second soft tissue recovery box, and the second cleaning scraper blade is in contact with the surface of the second polishing roller.
The distance between the first grinding roller and the second grinding roller is 0.4-0.6 cm.
The cutting mechanism comprises a cutting assembly, the cutting assembly comprises an upper cutting body and a lower cutting body which are vertically and coaxially arranged, and a downward pressing and pushing assembly is arranged above the upper cutting body;
the lower cutting body is placed in the upper opening of the feeding hole, the lower cutting body is in a box shape with an opening at the top, a plurality of blanking holes penetrating through the bottom plate are formed in the bottom plate of the lower cutting body at equal intervals, and lower cutting tool bits are arranged at the edges of the upper opening of the blanking holes;
the upper cutting body comprises a mounting base, a pressing body is arranged on the lower surface of the mounting base, the outer wall of the pressing body is matched with the inner wall of the lower cutting body, a plurality of upper cutting heads are arranged on the lower surface of the pressing body at equal intervals, and the upper cutting heads correspond to the lower cutting heads one to one.
The upper cutter head and the lower cutter head are rectangular or circular.
The size of the upper cutter head and the lower cutter head is 0.5-0.7 cm.
The downward pressing and pushing assembly comprises a pushing motor arranged at the top of the box cover, a pushing screw of the pushing motor penetrates through the top of the box cover and extends into the box cover, and a downward pressing head is arranged at the end part of the pushing screw;
the pushing and pushing assembly further comprises a pushing body, the pushing body is arranged in the box cover, a first mounting cavity for accommodating the pushing head is formed in the top of the pushing body, a second mounting cavity is formed in the bottom of the pushing body, and the mounting base is mounted in the second mounting cavity;
the first installation cavity and the second installation cavity are coaxially arranged.
The lateral wall of installation base on be provided with the joint head, the lateral wall of second installation cavity on seted up with joint head assorted mounting groove.
The bone particle collecting device is characterized by also comprising a collecting assembly arranged in the box body, wherein the collecting assembly comprises a bone particle collecting funnel and a bone particle collecting box;
the outer side wall of the bone particle collecting funnel is connected with the inner wall of the box body, and the upper opening of the bone particle collecting funnel is positioned below the bone particle grinding cavity;
the top of the bone particle collecting box is open, and the bone particle collecting box is placed at the bottom of the box body and is positioned below the lower outlet of the bone particle collecting funnel.
The box body is connected with the box cover through a hydraulic lifting rod.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model discloses rational in infrastructure, easy and simple to handle, the cutting mechanism that will be used for cutting bone raw materials combines together with the bone grain grinding machanism organic that is used for handling bone grain surface soft tissue, has promoted the efficiency that the preparation is used for the bone grain of bone grafting greatly.
(II) the utility model discloses well bone grain grinding machanism collection is polished and is cleaned in an organic whole, and the first grinding roller and the second grinding roller syntropy that drive through the drive assembly that polishes in the subassembly rotate, get rid of the soft tissue on bone grain surface, when polishing, will first grinding roller and second grinding roller surface adhesion's soft tissue residue get rid of totally through the clean scraper blade in the clean subassembly, make and polish more fully high-efficiently.
(III) the utility model discloses well last cutter head and the lower cutter head of one-to-one among the cutting mechanism can cut into the bone grain of size unanimity with bone raw materials, and the reunion pushes down and impels the subassembly and can exert even holding down force to cutting assembly, goes up the cutting force between cutter head and the lower cutter head more even, avoids collapsing the cutter head, makes cutting operation more labour saving and time saving, improves work efficiency.
(IV) the utility model discloses in collect the setting of subassembly, the bone grain is collected the funnel and can be prevented that the bone grain from leaking outward, and the guide bone grain enters into corresponding bone grain grinding chamber or bone grain and collects the box in, is convenient for collect.
Drawings
Fig. 1 is a cross-sectional view of the integrated device of the present invention before cutting.
Fig. 2 is a cross-sectional view of the integrated device of the present invention during cutting.
Fig. 3 is a schematic structural view of the bone grain polishing mechanism of the present invention.
Fig. 4 is a schematic structural view of the structure of the bone particle polishing mechanism and the collecting assembly of the present invention.
Fig. 5 is a plan view of the lower cutting body of the present invention.
Fig. 6 is a sectional view a-a of fig. 5.
Fig. 7 is a perspective view of the lower cutting body of the present invention.
Fig. 8 is a bottom view of the upper cutter of the present invention.
Fig. 9 is a sectional view B-B of fig. 8.
Fig. 10 is a perspective view of the upper cutter of the present invention.
Fig. 11 is a front view of the present invention.
Fig. 12 is a rear view of the present invention.
The meaning of the individual reference symbols in the figures is:
1. the bone particle grinding device comprises a box body, 2, a box cover, 3, a feeding hole, 4, a bone particle grinding mechanism, 5, a cutting mechanism, 6, a collecting assembly, 7, a hydraulic lifting rod, 8 and a box door;
41. a grinding assembly 42, a grinding transmission assembly 43 and a cleaning assembly;
41-1, a first grinding roller, 41-2, a second grinding roller, 41-3, a bone grain grinding cavity, 41-4 and a driven gear;
42-1, a grinding driving motor 42-2, a transmission shaft 42-3 and a transmission gear;
43-1, a first soft tissue recovery box, 43-2, a second soft tissue recovery box, 43-3, a horizontal support plate, 43-4, a first cleaning scraper, 43-5 and a second cleaning scraper;
51. a cutting assembly, 52, a pushing assembly;
51-1, an upper cutting body, 51-2, a lower cutting body;
51-1-1, an installation base 51-1-2, a pressing body 51-1-3, an upper cutter bit 51-1-4 and a clamping joint;
51-2-1 parts of blanking holes, 51-2-2 parts of lower cutter heads, 51-2-3 parts of bone raw material placing cavities;
52-1 parts of a propelling motor, 52-2 parts of a propelling screw rod, 52-3 parts of a lower pressure head, 52-4 parts of a propelling body, 52-5 parts of a first mounting cavity, 52-6 parts of a second mounting cavity, 52-7 parts of a mounting groove;
61. bone particle collecting funnel 62 and bone particle collecting box.
The following examples are provided to explain the present invention in further detail.
Detailed Description
Obey above-mentioned technical scheme, following the present utility model discloses a specific embodiment, it needs to explain that the utility model discloses do not confine following specific embodiment to, all fall into the protection scope of the utility model to the equivalent transform of doing on the basis of this application technical scheme.
In the present invention, unless otherwise specified, the use of directional terms such as "upper", "lower", "left", "right", etc., generally means that the terms are defined with reference to the drawing figures in the corresponding drawings, and "inner" and "outer" mean that the corresponding parts are located inside and outside the outline of the corresponding parts.
The embodiment is as follows:
the embodiment provides an auxiliary device for bone grafting, as shown in fig. 1 to 12, comprising a box body 1 and a box cover 2, wherein a funnel-shaped feed port 3 is arranged in the box body 1, the outer side wall of the feed port 3 is connected to the upper part of the box body 1, and a bone particle grinding mechanism 4 is arranged below the feed port 3;
the bone particle grinding mechanism 4 comprises a grinding component 41, a grinding transmission component 42 and a cleaning component 43;
the grinding assembly 41 comprises a first grinding roller 41-1 and a second grinding roller 41-2 which are horizontally arranged in parallel, two ends of a shaft of the first grinding roller 41-1 are respectively movably arranged on the front wall and the rear wall of the box body 1, and two ends of a shaft of the second grinding roller 41-2 are respectively movably arranged on the front wall and the rear wall of the box body 1; the distance between the first grinding roller 41-1 and the second grinding roller 41-2 is not more than the size of bone grains of soft tissues to be ground and is more than the size of the bone grains after the soft tissues are ground; the space between the first grinding roller 41-1 and the second grinding roller 41-2 is a bone grain grinding cavity 41-3 for grinding bone grains, and the lower outlet of the feed inlet 3 is positioned above the bone grain grinding cavity 41-3;
the polishing transmission assembly 42 comprises a polishing driving motor 42-1 arranged on the box body 1, the polishing driving motor 42-1 is connected with one end of a transmission shaft 42-2, and the other end of the transmission shaft 42-2 is fixedly connected with a transmission gear 42-3;
the same end of the shaft of the first grinding roller 41-1 and the shaft of the second grinding roller 41-2 is fixedly connected with a driven gear 41-4 meshed with the transmission gear 42-3, and the transmission gear 42-3 can simultaneously drive the two driven gears 41-4 to rotate in the same direction.
In the embodiment, bone particles of soft tissue to be polished are thrown into a box body through a feed port and enter a bone particle polishing cavity 41-3, a transmission gear 42-3 can simultaneously drive a driven gear 41-4 arranged on shafts of a first polishing roller 41-1 and a second polishing roller 41-2 to rotate in the same direction, so that the first polishing roller 41-1 and the second polishing roller 41-2 rotate in the same direction, strip-shaped bulges are arranged on the surfaces of the first polishing roller 41-1 and the second polishing roller 41-2 in the embodiment along the radial direction, the bone particles of the soft tissue to be treated rub in the bone particle polishing cavity 41-3 through the rotation of the first polishing roller 41-1 and the second polishing roller 41-2 in the same direction, the soft tissue on the bone particles is polished and removed, the obtained bone particles which can be used as a surgical raw material are applied to bone grafting, and the traditional manual polishing mode is replaced by the mechanical polishing mode, more manpower and time are saved.
As a preferable proposal of the embodiment, the cleaning assembly 43 comprises a first soft tissue recovery box 43-1 and a second soft tissue recovery box 43-2 which are horizontally and symmetrically arranged, and the tops of the first soft tissue recovery box 43-1 and the second soft tissue recovery box 43-2 are both open and used for recovering soft tissue residues cleaned from the first grinding roller 41-1 and the second grinding roller 41-2;
the left side wall of the first soft tissue recovery box 43-1 is movably arranged on the left side wall of the box body 1, the right side wall of the first soft tissue recovery box 43-1 is positioned below the first grinding roller 41-1, a horizontal support plate 43-3 is arranged above the first soft tissue recovery box 43-1, the left side of the horizontal support plate 43-3 is arranged on the left side wall of the box body 1, the right side of the horizontal support plate 43-3 is positioned above the left side of the first grinding roller 41-1, a first cleaning scraper 43-4 is arranged on the edge of the right side of the horizontal support plate 43-3, and the first cleaning scraper 43-4 is in contact with the surface of the first grinding roller 41-1;
the right side wall of the second soft tissue recovery box 43-2 is movably arranged on the right side wall of the box body 1, the left side wall of the second soft tissue recovery box 43-2 is positioned below the second grinding roller 41-2, the top of the left side wall of the second soft tissue recovery box 43-2 is provided with a second cleaning scraper 43-5, and the second cleaning scraper 43-5 is in contact with the surface of the second grinding roller 41-2.
After the first grinding roller 41-1 and the second grinding roller 41-2 rotate to grind bone particles, soft tissue residues ground from the bone particles are adhered to the surfaces of the first grinding roller 41-1 and the second grinding roller 41-2, in the embodiment, the first grinding roller 41-1 and the second grinding roller 41-2 rotate clockwise, the first cleaning scraper 43-4 scrapes the soft tissue residues on the surface of the first grinding roller 41-1 in the rotating process, the soft tissue residues fall into the first soft tissue recovery box 43-1, the second cleaning scraper 43-5 scrapes the soft tissue residues on the surface of the second grinding roller 41-2, the soft tissue residues fall into the second soft tissue recovery box 43-2, and the soft tissue residues adhered to the surfaces of the first grinding roller 41-1 and the second grinding roller 41-2 are cleaned together while grinding the bone particles, the surface cleanness of the first grinding roller 41-1 and the second grinding roller 41-2 is ensured, the grinding of bone particles can be continuously carried out for a long time, and the grinding efficiency is improved.
As a preferable scheme of this embodiment, in this embodiment, a distance between the first grinding roller 41-1 and the second grinding roller 41-2 is 0.4 to 0.6cm, and a plurality of bone granule grinding mechanisms 4 may be disposed in the box body 1, in this embodiment, two bone granule grinding mechanisms 4 are provided, and a distance between the first grinding roller 41-1 and the second grinding roller 41-2 in the upper bone granule grinding mechanism 4 is greater than a distance between the first grinding roller 41-1 and the second grinding roller 41-2 in the lower bone granule grinding mechanism 4, so that soft tissues on bone granules can be sufficiently ground, and it can be ensured that ground bone granules can smoothly fall to the next bone granule grinding mechanism 4 for further grinding, and clean bone granules are finally obtained.
As a preferable scheme of the present embodiment, the present embodiment further comprises a cutting mechanism 5, configured to cut a bone material into bone particles of a soft tissue to be polished, wherein the cutting mechanism 5 comprises a cutting assembly 51, the cutting assembly 51 comprises an upper cutting body 51-1 and a lower cutting body 51-2, which are vertically and coaxially arranged, and a push-down assembly 52 is arranged above the upper cutting body 51-1;
the lower cutting body 51-2 is placed in an upper opening of the feed port 3, a convex edge for supporting the lower cutting body 51-2 is arranged on the inner wall of the upper opening of the feed port 3, the lower cutting body 51-2 is in a box shape with an opening at the top, the inner space of the lower cutting body 51-2 is a bone raw material placing cavity 51-2-3 for placing bone raw materials to be cut, a plurality of blanking holes 51-2-1 penetrating through a bottom plate are formed in the bottom plate of the lower cutting body 51-2 at equal intervals, and a lower cutter head 51-2-2 is arranged at the edge of the upper opening of the blanking holes 51-2-1;
the upper cutting body 51-1 comprises a mounting base 51-1-1, a pressing body 51-1-2 is arranged on the lower surface of the mounting base 51-1-1, the outer wall of the pressing body 51-1-2 is matched with the inner wall of the lower cutting body 51-2, a plurality of upper cutting heads 51-1-3 are arranged on the lower surface of the pressing body 51-1-2 at equal intervals, and the upper cutting heads 51-1-3 correspond to the lower cutting heads 51-2-2 one to one.
In operation, a bone raw material to be cut is placed in the bone raw material placing cavity 51-2-3, the upper cutting body 51-1 is pressed downwards to enter the lower cutting body 51-2, the upper cutting heads 51-1-3 which are in one-to-one correspondence are meshed with the lower cutting heads 51-2-2 up and down, the bone raw material is cut into bone grains of soft tissues to be ground, the bone grains of the soft tissues to be ground fall into the feeding hole 3 through the discharging hole 51-2-1, and further fall into the bone grain grinding cavity 41-3 of the bone grain grinding mechanism 4 to wait for grinding the soft tissues on the surfaces of the bone grains.
As a preferable scheme of this embodiment, the upper cutter head and the lower cutter head in this embodiment are rectangular and/or circular.
As a preferable scheme of the embodiment, the size of the upper cutter head and the lower cutter head is 0.5-0.7 cm, and after the grinding of the first grinding roller 41-1 and the second grinding roller 41-2, the size of bone particles required by the operation is obtained.
As a preferable scheme of the embodiment, the push-down propelling assembly 52 in the embodiment comprises a propelling motor 52-1 arranged at the top of the box cover 2, a propelling screw 52-2 of the propelling motor 52-1 penetrates through the top of the box cover 2 and extends into the box cover 2, and a lower pressure head 52-3 is arranged at the end part of the propelling screw 52-2;
the downward pressing and pushing assembly 52 further comprises a pushing body 52-4, the pushing body 52-4 is arranged in the box cover 2, a first mounting cavity 52-5 used for accommodating the downward pressing head 52-3 is formed in the top of the pushing body 52-4, a second mounting cavity 52-6 is formed in the bottom of the pushing body 52-4, and the mounting base 51-1-1 is mounted in the second mounting cavity 52-6;
the pushing motor 52-1 drives the pushing screw 52-2 to drive the lower pressure head 52-3 to move downwards, and further the lower pressure head 52-3 drives the upper cutting body 51-1 arranged in the second installation cavity 52-6 of the pushing body 52-4 to move downwards and enter the lower cutting body 51-2 to cut the bone raw material to be cut;
preferably, the first mounting cavity 52-5 and the second mounting cavity 52-6 are coaxially arranged, so that when a bone material is cut, the cutting force between the upper cutter bit 51-1-3 and the lower cutter bit 51-2-2 is more uniform, and the cutter bits are prevented from being broken.
As a preferable scheme of the embodiment, in the embodiment, the side wall of the mounting base 51-1-1 is provided with the clamping head 51-1-4, the side wall of the second mounting cavity 52-6 is provided with the mounting groove 52-7 matched with the clamping head 51-1-4, and the upper cutting body 51-1 of the upper cutting head 51-1-3 with different sizes can be replaced according to requirements.
As a preferable scheme of the present embodiment, the present embodiment further includes a collecting assembly 6 disposed in the box, where the collecting assembly 6 includes a bone particle collecting funnel 61 and a bone particle collecting box 62;
the outer side wall of the bone particle collecting funnel 61 is connected with the inner wall of the box body 1, and the upper opening of the bone particle collecting funnel 61 is positioned below the bone particle grinding cavity 41-3;
the top of the bone particle collection box 62 is open, and the bone particle collection box 62 is placed at the bottom of the box body 1 and is positioned below the lower outlet of the bone particle collection funnel 61; the bone particles after the soft tissue is removed by grinding fall into the bone particle collecting funnel 61 from the bone particle grinding chamber 41-3, and fall into the bone particle collecting box 62 from the lower outlet of the bone particle collecting funnel 61.
In this embodiment, two bone particle polishing mechanisms 4 are provided, a bone particle collecting funnel 61 is also provided between the two bone particle polishing mechanisms 4, and a lower outlet of the bone particle collecting funnel 61 is located above the bone particle polishing cavity 41-3 of the lower bone particle polishing mechanism 4, and is used for guiding the bone particles polished by the upper bone particle polishing mechanism 4 into the bone particle polishing cavity 41-3 of the lower bone particle polishing mechanism 4 for further polishing.
As a preferable scheme of the present embodiment, a box door 8 for taking out the bone particle collection box 62 is provided below the box body 1 in the present embodiment.
As a preferable scheme of the present embodiment, in the present embodiment, the box body 1 and the box cover 2 are connected by the hydraulic lifting rod 7, so that the box cover 2 moves smoothly in a vertical direction relative to the box body 1, and the cutting accuracy is improved.
In practical operation of the present embodiment:
the first step is as follows: cutting bone particles
Selecting an upper cutting body 51-1 and a lower cutting body 51-2 according to requirements, installing the upper cutting body 51-1 in a second installation cavity 52-6 of a downward pressing pushing assembly 52, placing the lower cutting body 51-2 on a convex edge in an upper opening of a feeding hole 3, placing bone raw materials to be cut into a bone raw material placing cavity 51-2-3 of the lower cutting body 51-2, starting a hydraulic lifting rod 7 to enable a box cover 2 to move downwards, enabling the upper cutting body 51-1 to enter the lower cutting body 51-2 until the upper cutting head 51-1-3 contacts the bone raw materials to be cut, starting a switch of a pushing motor 52-1, driving a pushing screw 52-2 by the pushing motor 52-1 to drive a lower pressing head 52-3 to move downwards, further pushing the upper cutting body 51-1 to move downwards, the upper cutter heads 51-1-3 and the lower cutter heads 51-2-2 which are in one-to-one correspondence are meshed up and down, so that the bone raw materials are cut into bone particles of soft tissues to be polished.
The second step: grinding and cutting soft tissue of bone particles
Bone particles of soft tissue to be polished obtained by first-step cutting fall into the feed inlet 3 through the discharge hole 51-2-1 and further fall into the bone particle polishing cavity 41-3 of the bone particle polishing mechanism 4 to be polished, at the moment, the size of the bone particles of the soft tissue to be polished is larger than the distance between the first polishing roller 41-1 and the second polishing roller 41-2, the switch of the polishing driving motor 42-1 is started, under the driving of the transmission gear 42-3, the 41-4 driven gear on the shaft of the first polishing roller 41-1 and the 41-4 driven gear on the shaft of the second polishing roller 41-2 rotate in the same direction, soft tissue on the bone particles of the soft tissue to be polished in the bone particle polishing cavity 41-3 is polished through friction force, and when the soft tissue on the bone particles is polished, the first cleaning scraper 43-4 hangs soft tissue residues attached to the surface of the first polishing roller 41-1 to the first soft tissue recovery device In the box 43-1, the second cleaning scraper 43-5 hangs soft tissue residues attached to the surface of the second grinding roller 41-2 onto the second soft tissue recovery box 43-2, and after a period of grinding, the bone granules fall into the bone granule collection funnel 61 from the bone granule grinding cavity 41-3 and then fall into the bone granule collection box 62 from the lower outlet of the bone granule collection funnel 61 until the size of the bone granules after the soft tissue is ground is smaller than the distance between the first grinding roller 41-1 and the second grinding roller 41-2.
The steps can be repeatedly operated until enough bone particles are obtained, the box door 8 is opened to take the bone particle collecting box 62 out, and the bone particles with uniform size and clean surface which can be used as the raw materials of the bone grafting operation are obtained in the bone particle collecting box 62.
After the operation is finished, the first soft tissue recovery box 43-1 and the second soft tissue recovery box 43-2 are disassembled, soft tissue residues in the boxes are cleaned, and the whole device is sterilized for the next use.
Claims (10)
1. An auxiliary device for bone grafting comprises a box body (1) and a box cover (2), and is characterized in that a funnel-shaped feed port (3) is arranged in the box body (1), the outer side wall of the feed port (3) is connected to the upper part of the box body (1), and a bone particle polishing mechanism (4) is arranged below the feed port (3);
the bone particle grinding mechanism (4) comprises a grinding component (41), a grinding transmission component (42) and a cleaning component (43);
the grinding assembly (41) comprises a first grinding roller (41-1) and a second grinding roller (41-2) which are horizontally arranged in parallel, two ends of a shaft of the first grinding roller (41-1) are respectively movably mounted on the front wall and the rear wall of the box body (1), two ends of a shaft of the second grinding roller (41-2) are respectively movably mounted on the front wall and the rear wall of the box body (1), and the distance between the first grinding roller (41-1) and the second grinding roller (41-2) is not more than the size of bone grains of soft tissues to be ground and is more than the size of the bone grains of the soft tissues to be ground; the space between the first grinding roller (41-1) and the second grinding roller (41-2) is a bone grain grinding cavity (41-3) for grinding bone grains, and the lower outlet of the feed inlet (3) is positioned above the bone grain grinding cavity (41-3);
the polishing transmission assembly (42) comprises a polishing driving motor (42-1) arranged on the box body (1), the polishing driving motor (42-1) is connected with one end of a transmission shaft (42-2), and the other end of the transmission shaft (42-2) is fixedly connected with a transmission gear (42-3);
the same end of the shaft of the first grinding roller (41-1) and the shaft of the second grinding roller (41-2) is fixedly connected with a driven gear (41-4) meshed with the transmission gear (42-3), and the transmission gear (42-3) can simultaneously drive the two driven gears (41-4) to rotate in the same direction.
2. The auxiliary device for bone grafting as claimed in claim 1, wherein the cleaning assembly (43) comprises a first soft tissue recovery box (43-1) and a second soft tissue recovery box (43-2) which are horizontally and symmetrically arranged, and the tops of the first soft tissue recovery box (43-1) and the second soft tissue recovery box (43-2) are both open;
the left side wall of the first soft tissue recovery box (43-1) is movably arranged on the left side wall of the box body (1), the right side wall of the first soft tissue recovery box (43-1) is positioned below the first grinding roller (41-1), a horizontal support plate (43-3) is arranged above the first soft tissue recovery box (43-1), the left side of the horizontal support plate (43-3) is arranged on the left side wall of the box body (1), a first cleaning scraper blade (43-4) is arranged at the edge of the right side of the horizontal support plate (43-3), and the first cleaning scraper blade (43-4) is in contact with the surface of the first grinding roller (41-1);
the right side wall of the second soft tissue recovery box (43-2) is movably arranged on the right side wall of the box body (1), the left side wall of the second soft tissue recovery box (43-2) is positioned below the second grinding roller (41-2), a second cleaning scraper (43-5) is arranged at the top of the left side wall of the second soft tissue recovery box (43-2), and the second cleaning scraper (43-5) is in contact with the surface of the second grinding roller (41-2).
3. An assisting apparatus for bone grafting as defined in claim 1, wherein the distance between the first grinding roller (41-1) and the second grinding roller (41-2) is 0.4 to 0.6 cm.
4. The auxiliary device for bone grafting according to claim 1, characterized by further comprising a cutting mechanism (5), wherein the cutting mechanism (5) comprises a cutting assembly (51), the cutting assembly (51) comprises an upper cutting body (51-1) and a lower cutting body (51-2) which are vertically and coaxially arranged, and a push-down pushing assembly (52) is arranged above the upper cutting body (51-1);
the lower cutting body (51-2) is placed in the upper opening of the feeding hole (3), the lower cutting body (51-2) is in a box shape with an opening at the top, a plurality of blanking holes (51-2-1) penetrating through the bottom plate are formed in the bottom plate of the lower cutting body (51-2) at equal intervals, and a lower cutter head (51-2-2) is arranged at the edge of the upper opening of the blanking holes (51-2-1);
the upper cutting body (51-1) comprises a mounting base (51-1-1), a pressing body (51-1-2) is arranged on the lower surface of the mounting base (51-1-1), the outer wall of the pressing body (51-1-2) is matched with the inner wall of the lower cutting body (51-2), a plurality of upper cutting heads (51-1-3) are arranged on the lower surface of the pressing body (51-1-2) at equal intervals, and the upper cutting heads (51-1-3) correspond to the lower cutting heads (51-2-2) one by one.
5. The auxiliary device for bone grafting as claimed in claim 4, wherein the pushing assembly (52) comprises a pushing motor (52-1) arranged on the top of the box cover (2), a pushing screw (52-2) of the pushing motor (52-1) penetrates through the top of the box cover (2) and extends into the box cover (2), and a pushing head (52-3) is arranged at the end of the pushing screw (52-2);
the downward pressing pushing assembly (52) further comprises a pushing body (52-4), the pushing body (52-4) is arranged in the box cover (2), a first mounting cavity (52-5) used for accommodating the downward pressing head (52-3) is formed in the top of the pushing body (52-4), a second mounting cavity (52-6) is formed in the bottom of the pushing body (52-4), and the mounting base (51-1-1) is mounted in the second mounting cavity (52-6);
the first installation cavity (52-5) and the second installation cavity (52-6) are coaxially arranged.
6. The auxiliary device for bone grafting as claimed in claim 5, wherein a clamping head (51-1-4) is provided on the side wall of the mounting base (51-1-1), and a mounting groove (52-7) matching with the clamping head (51-1-4) is provided on the side wall of the second mounting cavity (52-6).
7. An aid for use in bone grafting as claimed in claim 4 wherein the upper and lower cutter heads are rectangular and or circular.
8. An auxiliary device for bone grafting as claimed in claim 4, wherein the size of the upper cutter head and the lower cutter head is 0.5-0.7 cm.
9. An auxiliary device for bone grafting as claimed in any one of claims 1 to 8, further comprising a collection assembly (6) disposed in the housing, the collection assembly (6) comprising a bone particle collection funnel (61) and a bone particle collection box (62);
the outer side wall of the bone particle collecting funnel (61) is connected with the inner wall of the box body (1), and the upper opening of the bone particle collecting funnel (61) is positioned below the bone particle grinding cavity (41-3);
the top of the bone particle collecting box (62) is open, and the bone particle collecting box (62) is placed at the bottom of the box body (1) and is positioned below the lower outlet of the bone particle collecting funnel (61).
10. An aid for bone grafting according to any one of claims 1 to 8, characterised in that the housing (1) and the cover (2) are connected by means of a hydraulic lifting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073704.6U CN217042858U (en) | 2021-12-08 | 2021-12-08 | Auxiliary device for bone grafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073704.6U CN217042858U (en) | 2021-12-08 | 2021-12-08 | Auxiliary device for bone grafting |
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| Publication Number | Publication Date |
|---|---|
| CN217042858U true CN217042858U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123073704.6U Expired - Fee Related CN217042858U (en) | 2021-12-08 | 2021-12-08 | Auxiliary device for bone grafting |
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| CN (1) | CN217042858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026973A (en) * | 2022-08-10 | 2022-09-09 | 常州市龙吟塑业有限公司 | Automatic feeding equipment based on blood transfusion net processing |
-
2021
- 2021-12-08 CN CN202123073704.6U patent/CN217042858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026973A (en) * | 2022-08-10 | 2022-09-09 | 常州市龙吟塑业有限公司 | Automatic feeding equipment based on blood transfusion net processing |
| CN115026973B (en) * | 2022-08-10 | 2022-11-01 | 常州市龙吟塑业有限公司 | Automatic feeding equipment based on blood transfusion net processing |
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