CN113101019A - Bone grafting auxiliary device - Google Patents

Bone grafting auxiliary device Download PDF

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Publication number
CN113101019A
CN113101019A CN202110358494.0A CN202110358494A CN113101019A CN 113101019 A CN113101019 A CN 113101019A CN 202110358494 A CN202110358494 A CN 202110358494A CN 113101019 A CN113101019 A CN 113101019A
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CN
China
Prior art keywords
crushing box
crushing
plate
box
driving
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110358494.0A
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Chinese (zh)
Inventor
窦义臣
翟宏
徐昕
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Jilin University
Original Assignee
Jilin University
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Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN202110358494.0A priority Critical patent/CN113101019A/en
Publication of CN113101019A publication Critical patent/CN113101019A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4644—Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4644—Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material
    • A61F2002/4645—Devices for grinding or milling bone material

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  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to the technical field of medical instruments, in particular to a bone grafting auxiliary device, which comprises: the crushing box comprises a shell, a crushing box, a base, a supporting mechanism and a driving mechanism; the crushing box is arranged in the shell, and the shell is fixedly connected with the base; the supporting mechanism is arranged outside the crushing box and used for connecting the crushing box and the base; according to the automatic bone particle crushing device, after the bone particles enter the crushing box, the driving mechanism operates and provides driving force for the supporting mechanism, so that the bone particles in the crushing box are automatically crushed, and through the arrangement of the driving mechanism and the supporting mechanism and the combination of the driving mechanism and the supporting mechanism, the automatic bone particle crushing is realized, the processing efficiency is improved, and the production cost is reduced.

Description

Bone grafting auxiliary device
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bone grafting auxiliary device.
Background
In the case of a trauma operation, comminuted fracture and bone nonunion occur at the long bone position of limbs of a patient. In this case, not only anatomical reduction of the patient's bone, but also a certain amount of bone grafting of the relevant site is required to achieve the cooperative treatment.
At present, when artifical bone grafting, need earlier bone grain crushing, then put into corresponding bone grafting device with the bone grain after the crushing, plant the bone, but, do not have relevant crushing device on the existing market, all realize through manual operation, but this kind of mode not only wastes time and energy, and inefficiency moreover, consequently, to above current situation, the urgent need develops a planting bone auxiliary device to overcome not enough in the current practical application.
Disclosure of Invention
The present invention is directed to a bone grafting aid, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a bone implantation aid, comprising:
the crushing box comprises a shell, a crushing box, a base, a supporting mechanism and a driving mechanism;
the crushing box is arranged in the shell, and the shell is fixedly connected with the base;
the supporting mechanism is arranged outside the crushing box and used for connecting the crushing box and the base;
wherein, the supporting mechanism includes:
the baffle plate is provided with a limiting groove;
the limiting block is fixedly connected with the crushing box and is in sliding connection with the limiting groove;
one end of the connecting rod is hinged with the baffle, and the other end of the connecting rod is connected with the pressing plate;
the connecting frame is arranged at the bottom of the limiting block and is used for being connected with the driving mechanism in the process that the driving mechanism drives the supporting mechanism; and
and the driving mechanism is arranged on the inner side of the base, is connected with the supporting mechanism and is used for driving the supporting mechanism to enable the pressing plate positioned in the crushing box to slide in a reciprocating manner so as to crush the bone particles.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, after the bone particles enter the crushing box, the driving mechanism operates and provides driving force for the supporting mechanism to realize automatic crushing of the bone particles in the crushing box.
Drawings
Fig. 1 is a schematic structural view of a bone grafting aid.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a shielding mechanism in the bone grafting auxiliary device.
Fig. 4 is a schematic structural view of a shielding plate in the bone grafting auxiliary device.
In the figure: 1-housing, 2-crush box, 3-feed pipe, 4-press plate, 5-movable rod, 6-adjusting block, 7-first telescopic rod, 8-baffle, 9-connecting rod, 10-limiting block, 11-limiting groove, 12-base, 13-sieve hole, 14-blanking box, 15-guide pipe, 16-discharge hole, 17-knocking plate, 18-elastic piece, 19-collecting box, 20-driving piece, 21-driving rod, 22-driving rod, 23-connecting frame, 24-incomplete gear, 25-rack, 26-belt wheel, 27-belt, 28-connecting piece, 29-fixing plate, 30-baffle plate, 31-lug, 32-supporting block, 33-second telescopic rod, 34-connecting block, 35-pressure sensor, 36-second spring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, in one embodiment of the present invention, an auxiliary device for bone implantation includes: the crushing box comprises a shell 1, a crushing box 2, a base 12, a supporting mechanism and a driving mechanism;
the crushing box 2 is arranged in the shell 1, and the shell 1 is fixedly connected with the base 12;
the supporting mechanism is arranged outside the crushing box 2 and is used for connecting the crushing box 2 and the base 12;
the driving mechanism is arranged on the inner side of the base 12, is connected with the supporting mechanism and is used for crushing bone particles by the driving device.
In the embodiment of the invention, after the bone particles enter the crushing box 2, the driving mechanism operates and provides driving force for the supporting mechanism, so that the automatic crushing of the bone particles in the crushing box 2 is realized.
In one embodiment of the invention, the crushing bin 2 comprises:
the feeding pipe 3 is fixedly connected and arranged at the top of the crushing box 2, the feeding pipe 3 is connected with the shell 1 in a sliding mode, and the feeding end of the feeding pipe 3 is communicated with the outer side of the shell 1;
and the crushing component is symmetrically arranged on the inner side of the crushing box 2 and is used for crushing bone particles.
In the embodiment of the invention, the bone particles enter the crushing box 2 along the feeding pipe 3, and the crushing assembly performs crushing operation on the bone particles under the driving of the supporting mechanism, so that the automatic processing of the bone particles is realized.
In one embodiment of the invention, the crushing assembly comprises:
a platen 4, said platen 4 being disposed inside said crushing bin 2;
the movable rod 5 is arranged on the outer side of the pressing plate 4 and is used for being connected with the supporting mechanism;
and the adjusting part is arranged on the inner side of the movable rod 5 and is used for controlling the crushing degree of bone particles.
In the embodiment of the invention, the supporting mechanism can drive the pressing plates 4 on the two sides by driving the movable rod 5 to move, the closest distance between the pressing plates 4 on the two sides in relative operation can be changed by utilizing the adjusting part, so that the crushing degree of bone particles by the device is controlled, and the application range of the equipment is further improved.
In one embodiment of the present invention, the adjusting means comprises:
the first telescopic rod 7 is fixedly connected and arranged on the inner side of the movable rod 5;
locate the regulating block 6 in the first telescopic link 7 outside, the regulating block 6 other end with clamp plate 4 fixed connection, first telescopic link 7 is electric telescopic handle or hydraulic telescopic handle.
In one embodiment of the present invention, the support mechanism includes:
the baffle 8 is provided with a limiting groove 11;
the limiting block 10 is fixedly connected with the crushing box 2, and the limiting block 10 is connected with the limiting groove 11 in a sliding mode;
one end of the connecting rod 9 is hinged with the baffle 8, and the other end of the connecting rod 9 is hinged with the movable rod 5; and
and the connecting frame 23 is arranged at the bottom of the limiting block 10 and is used for being connected with the driving mechanism.
In the embodiment of the invention, the connecting block 23 drives the connecting frame 23 to move under the driving of the driving mechanism, the connecting frame 23 is limited by the limiting block 10 and the limiting groove 11 to move up and down repeatedly in the vertical direction, so that the crushing box 2 is driven to move through the connecting frame 23, the connecting rod 9 drives the pressing plate 4 through the action of the movable rod 5 in the process of moving up and down of the crushing box 2, and further crushing of bone particles is realized, and the limiting block 10 is a common regular cube such as a cylinder, a cuboid, a cube and the like.
In one embodiment of the present invention, the driving mechanism includes:
the driving part 20 is arranged on the inner side of the base 12 in a bolt connection mode;
the transmission assembly is arranged on the inner side of the connecting frame 23 and is rotationally connected with the baffle 8; and
the driving rod 21 is rotatably connected and arranged on the inner side of the base 12, and the driving rod 21 is connected with the driving part 20 through a bevel gear and used for driving the transmission assembly to drive the supporting mechanism to move.
In the embodiment of the present invention, the driving member 20 includes common power elements such as a driving motor and a driving motor, and the magnitude of the working current is selected accordingly according to the working voltage in the actual working environment of the device.
In one embodiment of the present invention, the transmission assembly comprises:
the transmission rod 22 is arranged on the baffle 8, and is connected with the driving rod 21; and
and the connecting assembly is used for matching the transmission rod 22 to drive the connecting frame 23 to slide along the baffle 8.
In this embodiment, coupling assembling can be incomplete gear 24 and rack 25, transfer line 22 outside fixed connection is provided with incomplete gear 24, all be equipped with on the inboard both ends frame wall of linking frame 23 with the rack 25 that incomplete gear 24 meshing is connected, wherein, transfer line 22 with can adopt band pulley belt drive mode to connect between the actuating lever 21, also can adopt the drive mode of sprocket chain to connect, all be provided with band pulley 26 or sprocket on transfer line 22 and the air duct 22, adjacent one side pass through between band pulley 26 or the sprocket belt 27 or chain drive connect
In the embodiment of the invention, the driving part 20 drives the driving rod 21 to rotate through the bevel gear, the driving rod 21 drives the driving rod 22 to rotate through the belt wheel 26 and the belt 27, the driving rod 22 drives the incomplete gear 24 to rotate, and the incomplete gear 24 and the racks 25 arranged at the front end and the rear end of the inner side of the connecting frame 23 act to enable the connecting frame 23 to move up and down repeatedly, so that the driving of the supporting mechanism is realized.
In addition, in the embodiment of the present invention, the connecting assembly may be configured as a cam and a roller, the cam is fixedly connected to the outer side of one end of the transmission rod 22 away from the driving member, the roller rotatably connected to the connecting frame 23 is abutted to the outer side of the cam, and the connecting frame 23 is moved up and down repeatedly by the rotation of the cam and the action of the roller.
Referring to fig. 1 and 3, in one embodiment of the present invention, the crushing bin 4 further comprises:
the fixing plates 29 are fixedly connected and arranged at two sides of the crushing box 2;
the sieve plate is arranged on the fixed plate 29 and is fixedly connected with the crushing box 2;
sieve pores 13 arranged on the sieve plate; and
the shielding component is arranged on the fixed plate 29 and is used for plugging the sieve pores 13 on the sieve plate by matching with the crushing box 4; wherein, the longitudinal section of the sieve pore 13 is round, rectangular or conical.
Referring to fig. 4, in an embodiment of the present invention, the shielding assembly includes: a supporting block 32, a shielding plate 30, a connecting piece 28 and a second telescopic rod 33;
the supporting block 32 is fixedly connected and arranged at the outer side of the fixed plate 29, the shielding plate 30 is rotatably connected and arranged on the supporting block 32, and the connecting piece 28 is fixedly connected and arranged at one side of the shielding plate 30 close to the fixed plate 29;
the top of one end of the connecting piece 38, which is far away from the shielding plate 30, is hinged with a second telescopic rod 33, and the other end of the second telescopic rod 33 is hinged with the fixed plate 29;
the top end of the baffle plate 30 is provided with a plurality of convex blocks 31 corresponding to the sieve holes 13, and a second spring 36 is fixedly connected between the convex blocks 31 and the baffle plate 30 and used for matching with the connecting piece to drive the convex blocks 31 to block and dredge the sieve holes 13.
In the embodiment of the invention, the shielding plate 30 is controlled to rotate by utilizing the extension and retraction of the second telescopic rod 33, the shielding plate 33 can plug the sieve holes 13 on the sieve plate in the rotating process, the lug 31 can dredge the sieve holes 13 while plugging, the blanking amount can be controlled, bone particles can still be stably output after the device runs for a certain time, and the discharging smoothness is ensured, the second telescopic rod 33 is an electric telescopic rod or a hydraulic telescopic rod, and the top end of the lug 31 comprises a round table, a cone, a hemisphere and other structures.
In one embodiment of the present invention, the method further comprises:
the blanking box 14, the blanking box 14 is arranged at the bottom of the inner side of the shell 1;
the connecting blocks 34 are arranged on two sides of the blanking box 14, and the connecting blocks 34 are connected with the shell 1 in a sliding mode;
at least one is located pressure sensor 35 of connecting block 34 bottom, pressure sensor 35 the other end with casing 1 butt is used for the cooperation shelter from the subassembly control crushing case 4's unloading volume.
In the embodiment of the invention, the pressure sensor 35 has an initial pressure when the blanking box 14 is in an empty state, when the aggregate particles enter the blanking box 14 through the screening of the sieve plate, the pressure value can be changed along with the blanking amount, when the blanking amount reaches a specified amount, the pressure sensor 34 controls the shielding mechanism to block the sieve holes 13 on the sieve plate through the controller, thereby realizing the accurate control of the blanking amount, the pressure sensor 35 at the bottom of the connecting block 24 can be set to be one or more, when the pressure sensor 35 is set to be one, the pressure sensor 35 is arranged at the central part of the bottom end of the connecting block 34, when the pressure sensor 35 is set to be more, the pressure sensor 35 is uniformly distributed along the middle of two sides of the bottom end of the connecting block 34, at this time, because a plurality of the pressure sensors 35 are in contact with the shell 1, the stability of the connecting block 34 can be, and then promote the stability of blanking box 14, a plurality of pressure sensor 35 detect simultaneously moreover, can strengthen the accuracy that the device detected greatly to reduce the error, improve equipment's accuracy.
In one embodiment of the present invention, the blanking box 14 further comprises:
the material guide pipe 15 is fixedly connected and arranged on the inner side of the blanking box 14;
a discharge port 16 arranged at the bottom of the material guide pipe 15, wherein a valve is fixedly connected and arranged at the inner side of the discharge port 16;
at least one knocking plate 17 arranged at two ends of the inner side of the blanking box 14, wherein the knocking plate 17 is rotatably connected with the blanking box 14 and is used for matching with the crushing box 4 to enable the material guide pipe 15 to vibrate; and
and the elastic part 18 is arranged at the bottom of the knocking plate 17 close to one end of the material guide pipe 15, and the other end of the elastic part 18 is fixedly connected with the blanking box 14.
In the embodiment of the invention, in the process that the crushing box 4 is driven by the supporting mechanism to move up and down repeatedly, the fixed plate 29 moves along with the crushing box 4, the striking plate 17 strikes the material guide pipe 15 repeatedly under the action of the fixed plate 29 and the elastic part 18, so that bone particles in the blanking box 14 can be discharged sufficiently, the accuracy of the discharging amount is ensured, one or more striking plates 17 can be provided, when one striking plate 17 is provided at one side, the striking plates 17 are arranged at the central parts of two sides of the blanking box 14, when more striking plates 17 are provided, the striking plates are uniformly distributed at equal intervals at two sides of the blanking box 14, at the moment, not only can the striking effect be enhanced, but also the striking plate 17 is utilized to strike, the uniformity of the stress of the material guide pipe 15 can be improved, the material guide pipe 15 is cylindrical or funnel-shaped, when the material guide pipe 15 is funnel-shaped, not only can increase the receiving area of passage 15, more conveniently strike board 17 and strike passage 15 moreover for the ejection of compact of bone grain is more convenient.
In one embodiment of the present invention, the method further comprises:
the collecting box 19 is movably connected and arranged at the top of the base 12 and used for recovering the completely crushed bone particles, the cross section of the collecting box 19 can be rectangular or circular, and the linear distance between two ends of the collecting box 19 is greater than the diameter of the discharge hole 16.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (9)

1. An implant bone assist device, comprising: the crushing box comprises a shell, a crushing box, a base, a supporting mechanism and a driving mechanism;
the crushing box is arranged in the shell, the shell is connected with the base, and a pressing plate is arranged on the inner side of the crushing box;
the supporting mechanism is arranged outside the crushing box and used for connecting the crushing box and the base;
wherein, the supporting mechanism includes:
the baffle plate is provided with a limiting groove;
the limiting block is fixedly connected with the crushing box and is in sliding connection with the limiting groove;
one end of the connecting rod is hinged with the baffle, and the other end of the connecting rod is connected with the pressing plate;
the connecting frame is arranged at the bottom of the limiting block and is used for being connected with the driving mechanism in the process that the driving mechanism drives the supporting mechanism; and
and the driving mechanism is arranged on the inner side of the base, is connected with the supporting mechanism and is used for driving the supporting mechanism to enable the pressing plate positioned in the crushing box to slide in a reciprocating manner so as to crush the bone particles.
2. The bone grafting aid of claim 1, wherein the crushing box comprises:
the feeding pipe is fixedly connected and arranged at the top of the crushing box, is connected with the shell in a sliding manner, and has a feeding end communicated with the outer side of the shell;
and the crushing component is arranged on the inner side of the crushing box and is used for crushing bone particles positioned on the inner side of the crushing box.
3. The bone grafting aid of claim 2, wherein the crushing assembly comprises:
a platen disposed inside the crushing bin;
the movable rod is arranged on the outer side of the pressing plate and is connected with the supporting mechanism;
and the adjusting part is arranged on the inner side of the movable rod and is used for adjusting the position of the movable rod in the process that the driving mechanism drives the crushing assembly.
4. A bone grafting aid according to claim 1 or 3, wherein the drive mechanism comprises:
the driving piece is arranged on the inner side of the base;
the transmission assembly is arranged on the inner side of the connecting frame, is rotatably connected with the baffle and is used for matching with the driving piece to control the supporting mechanism to move; and
the driving rod is rotatably connected and arranged on the inner side of the base and is connected with the driving piece through a bevel gear and used for driving the transmission assembly to drive the supporting mechanism to move.
5. The bone grafting aid of claim 4, wherein the transmission assembly comprises:
the transmission rod is arranged on the baffle and is connected with the driving rod; and
and the connecting assembly is used for matching the transmission rod to drive the connecting frame to slide along the baffle.
6. The bone grafting aid of claim 1, wherein the crushing box further comprises:
the fixing plates are fixedly connected and arranged on two sides of the crushing box;
the sieve plate is arranged on the fixed plate and is connected with the crushing box; and
and the shielding assembly is arranged on the fixed plate and used for matching with the crushing box to be arranged on the sieve mesh on the sieve plate to be blocked.
7. The bone grafting aid of claim 6, wherein the shield assembly comprises: the supporting block, the shielding plate, the connecting piece and the second telescopic rod are arranged on the supporting plate;
the supporting block is fixedly connected and arranged on the outer side of the fixing plate, a shielding plate is rotatably connected and arranged on the supporting block, and a connecting piece is fixedly connected and arranged on one side, close to the fixing plate, of the shielding plate;
one end of the connecting piece, which is far away from the shielding plate, is hinged with a second telescopic rod, and the other end of the second telescopic rod is hinged with the fixed plate;
the top end of the baffle plate is provided with a plurality of convex blocks corresponding to the sieve holes, and a second spring is fixedly connected between the convex blocks and the baffle plate and used for matching with the connecting piece to drive the convex blocks to block and dredge the sieve holes.
8. The bone grafting aid of claim 1 or 6, further comprising:
the blanking box is arranged at the bottom of the inner side of the shell;
the connecting blocks are arranged on two sides of the blanking box and are in sliding connection with the shell;
at least one is located the pressure sensor of connecting block bottom, the pressure sensor other end with the casing butt is used for the cooperation shelter from the subassembly control the unloading volume of crushing case.
9. The bone grafting aid of claim 8, wherein the blanking box further comprises:
the material guide pipe is fixedly connected and arranged on the inner side of the blanking box;
the discharge hole is formed in the bottom of the material guide pipe, and a valve is fixedly connected and arranged on the inner side of the discharge hole;
the knocking plates are arranged at two ends of the inner side of the blanking box, are rotatably connected with the blanking box and are used for being matched with the crushing box to enable the material guide pipe to vibrate; and
the knocking plate is close to the elastic piece at the bottom of one end of the material guide pipe, and the other end of the elastic piece is connected with the blanking box.
CN202110358494.0A 2021-04-01 2021-04-01 Bone grafting auxiliary device Withdrawn CN113101019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110358494.0A CN113101019A (en) 2021-04-01 2021-04-01 Bone grafting auxiliary device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110358494.0A CN113101019A (en) 2021-04-01 2021-04-01 Bone grafting auxiliary device

Publications (1)

Publication Number Publication Date
CN113101019A true CN113101019A (en) 2021-07-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110358494.0A Withdrawn CN113101019A (en) 2021-04-01 2021-04-01 Bone grafting auxiliary device

Country Status (1)

Country Link
CN (1) CN113101019A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051629A (en) * 2017-06-09 2017-08-18 河南益和源饮品有限公司 A kind of drum-type fruit breaker
CN211303154U (en) * 2019-09-03 2020-08-21 诸暨企创网络科技有限公司 Efficient rubbish reducing mechanism
CN111871493A (en) * 2020-08-13 2020-11-03 辛树成 Chemical production uses multi-functional breaker
CN212549685U (en) * 2020-05-19 2021-02-19 福建省正基检测技术有限公司 Solid useless heavy metal detects uses breaker
CN112570062A (en) * 2020-11-24 2021-03-30 赖艳华 Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051629A (en) * 2017-06-09 2017-08-18 河南益和源饮品有限公司 A kind of drum-type fruit breaker
CN211303154U (en) * 2019-09-03 2020-08-21 诸暨企创网络科技有限公司 Efficient rubbish reducing mechanism
CN212549685U (en) * 2020-05-19 2021-02-19 福建省正基检测技术有限公司 Solid useless heavy metal detects uses breaker
CN111871493A (en) * 2020-08-13 2020-11-03 辛树成 Chemical production uses multi-functional breaker
CN112570062A (en) * 2020-11-24 2021-03-30 赖艳华 Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance

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