CN109893256A - A kind of articular cartilage and subchondral bone materials system of precise positioning - Google Patents
A kind of articular cartilage and subchondral bone materials system of precise positioning Download PDFInfo
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- CN109893256A CN109893256A CN201910128442.7A CN201910128442A CN109893256A CN 109893256 A CN109893256 A CN 109893256A CN 201910128442 A CN201910128442 A CN 201910128442A CN 109893256 A CN109893256 A CN 109893256A
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- thigh
- shank
- placement plate
- guide rail
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Abstract
The present invention relates to technical field of medical equipment, articular cartilage and subchondral bone the materials system of specially a kind of precise positioning, including thigh placement plate, shank placement plate and materials frame group, the upper surface of thigh placement plate is welded with thigh placement rack, the upper surface of shank placement plate is welded with shank placement rack, and materials frame group includes overturning pedestal, materials seat guide rail and materials needle group seat.The utility model has the advantages that the present invention is provided with thigh placement rack in thigh placement plate, and thigh is fixed by thigh bandage, shank placement rack is provided in shank placement plate, and shank is fixed by shank bandage, when preventing subchondral bone from drawing materials, shake offset occurs for leg, carries out slidable adjustment on materials seat guide rail with materials needle group seat to the overturning adjusting of materials seat guide rail and matches, can meet all angles position of knee pointed by materials needle group.
Description
Technical field
The present invention relates to technical field of medical equipment, the articular cartilage and subchondral bone of specially a kind of precise positioning are drawn materials
System.
Background technique
It is usual to tap face remaining until sampler with hammer tapping anvil stick when the subchondral bone to knee joint is drawn materials
Remaining lip or required depth mark reach articular cartilage surface and draw materials, and materials process needs to guarantee that sampler is all always flat
Face perpendicular to articular cartilage face, but it there are still following drawbacks in actual use:
1. being only provided with 1-2 root locating pin usually when drawing materials to knee joint subchondral bone and being fixed to joint portion
It is positioned, however huckle and calf occur shake offset and hold there is no fixed device, thigh or shank one end is arranged
Easily cause bigger injury；
2. being more troublesome in the positioning to locating pin and sampler, and inconvenience is adjusted；
3. needing more flexible adjusting angle to locating pin and sampler, it is various when meeting materials the occurrence of.
Summary of the invention
The purpose of the present invention is to provide a kind of articular cartilages of precise positioning and subchondral bone materials system, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: under a kind of articular cartilage and cartilage of precise positioning
Bone materials system, including thigh placement plate, shank placement plate and materials frame group, the lower surface of the thigh placement plate pass through four
Support column is fixed on pedestal bottom plate, and the upper surface of thigh placement plate is welded with thigh placement rack, the upper surface of thigh placement rack
Side bind fixes two thigh bandages, and the right-hand end of the thigh placement plate is hingedly mutually cut with scissors with the left-hand end of shank placement plate
It connects, the upper surface of shank placement plate is welded with shank placement rack, and the upper surface side bind of shank placement rack fixes two shanks
The right end upper surface of bandage, vertical shank placement plate is welded with sole placement plate, is close to thigh placement plate lower surface and is welded
It connects and is welded with hydraulic cylinder base on the right side of support column, the upper surface of hydraulic cylinder base is the inclined-plane being tilted to the right, and cylinder bottom
The upper surface middle part of seat has been bolted hydraulic cylinder, and telescopic rod end set by hydraulic cylinder is welded with articulated joint, described small
The lower surface of leg placement plate is welded with sliding rail, and sliding hinge joint chair, the lower surface welding of sliding hinge joint chair are slidably connected in sliding rail
Have hinged seat, and the articulated joint of telescopic rod and the hinged seat of sliding hinge joint chair are hinged, the materials frame group include overturning pedestal,
Materials seat guide rail and materials needle group seat, overturning pedestal set there are two and are symmetrically welded at the upper surface right end of thigh placement plate, take
Material seat guide rail is in semi-annular shape, and the two sides outer end of materials seat guide rail is welded with rotation axis, and the rotation axis for seat guide rail two sides of drawing materials
It is connect respectively with two overturning base rotations, the right side for needle group seat of drawing materials there are three needle group seat of drawing materials is arranged on seat guide rail of drawing materials
Wall is welded with materials needle sleeve, and cooperation is inserted with materials needle group in needle sleeve of drawing materials.
Preferably, the upper surface recess portion of the thigh placement rack is the thigh placing groove of circular arc cavity shape, thigh placing groove
Surface bonding has soft continuous pad, and soft continuous pad is sewed in the middle part of thigh bandage.
Preferably, shank placement rack upper surface recess portion is the shank placing groove of circular arc cavity shape, shank placing groove table
Face is bonded with soft cotton pad, and soft continuous pad is sewed in the middle part of shank bandage.
Preferably, the rotation axis of the materials seat guide rail side is perforated through overturning base outside wall, and penetration end is welded with
Transmission gear, and the gear teeth meshing on transmission gear and motor rotary shaft, motor are fixed on the upper surface of thigh placement plate.
Preferably, the upper end for the overturning pedestal that the materials seat guide rail other side rotation axis is connected is bolted with a limit
Screw, the lower end of stop screw penetrate to the rotation axis outer wall of materials seat guide rail and contact, and the lower end of stop screw is bonded with anti-
Sliding rubber block.
Preferably, the outer wall of the materials seat guide rail and inner wall offer roller groove, the inner rotation for needle group seat of drawing materials
There are two idler wheels, and the roller groove cooperation that two idler wheels are opened up with materials seat guide rail inside and outside wall respectively rolls connection.
Preferably, the left side wall of the materials needle group seat is vertically bolted with a Limit screw, and the right end of Limit screw is worn
It is contacted thoroughly to the left side wall of materials seat guide rail, and the right end of Limit screw bonds non-slip rubber block.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention setting rationally, functional, have with
Lower advantage:
1. the present invention is provided with thigh placement rack in thigh placement plate, and thigh is fixed by thigh bandage,
It is provided with shank placement rack in shank placement plate, and shank is fixed by shank bandage, when preventing subchondral bone from drawing materials,
Shake offset occurs for leg；
2. the present invention carries out overturning adjusting by motor control materials seat guide rail, and needle group seat of drawing materials is along materials seat guide rail institute
Angle can be adjusted in the idler wheel groove track sliding opened up, by rotating to stop screw, so that stop screw is to taking
Material seat guide rail rotation axis is pressed, and materials seat guide rail pivot offset is further prevented, by rotary banking screw, so that limit
Screw rod presses the side wall of materials seat guide rail, and materials needle group seat is prevented to be subjected to displacement on materials seat guide rail；
3. the present invention is jacked up shank placement plate by telescopic rod elongation set by control hydraulic cylinder, control knee can be facilitated
Joint drawn materials before state, by materials seat guide rail overturning adjust with materials needle group seat draw materials seat guide rail on carry out
Slidable adjustment matches, and can meet all angles position of knee pointed by materials needle group.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of structure of the invention；
Fig. 3 is the sectional view in Fig. 2 at A-A；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the side view of structure of the invention；
Fig. 6 is the enlarged drawing in Fig. 5 at C.
In figure: thigh placement plate 1, shank placement plate 2, materials frame group 3, thigh placement rack 4, thigh bandage 5, shank are placed
Seat 6, shank bandage 7, sole placement plate 8, hydraulic cylinder base 9, hydraulic cylinder 10, sliding rail 11, sliding hinge joint chair 12, telescopic rod 13,
Overturn pedestal 14, materials seat guide rail 15, materials needle group seat 16, materials needle sleeve 17, materials needle group 18, transmission gear 19, limit
Screw rod 20, stop screw 21.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 6 is please referred to, the present invention provides a kind of technical solution: under a kind of articular cartilage and cartilage of precise positioning
Bone materials system, including thigh placement plate 1, shank placement plate 2 and materials frame group 3, in conjunction with shown in Fig. 1 and Fig. 3, thigh placement plate
1 lower surface is fixed on pedestal bottom plate by four support columns, and the upper surface of thigh placement plate 1 is welded with thigh placement rack 4,
The upper surface recess portion of thigh placement rack 4 is the thigh placing groove of circular arc cavity shape, and thigh placing groove surface bonding has soft continuous pad, protects
Demonstrate,prove the comfort of patient, the upper surface side bind of thigh placement rack 4 fixes two thigh bandages 5, two thigh bandages 5 it is another
One end is connected with plug, and the plug insertion of two thigh bandages 5 is fastened on the jack of the other side of 4 upper surface of thigh placement rack
In, the middle part of thigh bandage 5 is sewed with soft continuous pad, prevents thigh bandage 5 from excessively tying tight thigh, the right-hand end of thigh placement plate 1
Hingedly the left-hand end with shank placement plate 2 is hinged, and the upper surface of shank placement plate 2 is welded with shank placement rack 6, and shank is placed
6 upper surface recess portions of seat are the shank placing groove of circular arc cavity shape, and shank placing groove surface bonding has soft cotton pad, shank placement rack 6
Upper surface side bind fix two shank bandages 7, the other end of two shank bandages 7 is connected with plug, and two shanks are tied up
Plug with 7 is inserted into the jack for the other side for being fastened on 6 upper surface of shank placement rack, and the middle part of shank bandage 7 is sewed with soft
Silk floss pad, the right end upper surface of vertical shank placement plate 2 is welded with sole placement plate 8, for placing sole.
In conjunction with shown in Fig. 1 and Fig. 3, it is close to be welded with hydraulic cylinder on the right side of the welded support column in 1 lower surface of thigh placement plate
Pedestal 9, the upper surface of hydraulic cylinder base 9 is the inclined-plane being tilted to the right, and the upper surface middle part of hydraulic cylinder base 9 is solid by bolt
Surely there is hydraulic cylinder 10,13 end of telescopic rod set by hydraulic cylinder 10 is welded with articulated joint, and the lower surface of shank placement plate 2 is welded with
Sliding rail 11 slidably connects sliding hinge joint chair 12 in sliding rail 11, and the lower surface of sliding hinge joint chair 12 is welded with hinged seat, and flexible
The articulated joint of bar 13 and the hinged seat of sliding hinge joint chair 12 are hinged, when the telescopic rod 13 of hydraulic cylinder 10 extends, telescopic rod 13
Shank placement plate 2 can be overturn and be jacked up, when the telescopic rod 13 of hydraulic cylinder 10 shortens, telescopic rod 13 can be by shank placement plate
2 downwardly turn over.
Referring to figure 1 and figure 5, materials frame group 3 includes overturning pedestal 14, materials seat guide rail 15 and materials needle group seat 16,
Overturning pedestal 14 sets there are two and is symmetrically welded at the upper surface right end of thigh placement plate 1, and materials seat guide rail 15 is in semi-annular shape,
The two sides outer end of materials seat guide rail 15 is welded with rotation axis, and the rotation axis for 15 two sides of seat guide rail of drawing materials respectively with two overturning bottoms
Seat 14 is rotatablely connected, and the rotation axis of materials 15 side of seat guide rail is perforated through overturning 14 lateral wall of pedestal, and penetration end is welded with biography
Moving gear 19, and the gear teeth meshing on transmission gear 19 and motor rotary shaft, motor are fixed on the upper table of thigh placement plate 1
Face, motor case control materials seat guide rail 15 carry out overturning adjusting, the overturning that materials 15 other side rotation axis of seat guide rail is connected
The upper end of pedestal 14 is bolted with a vertically disposed stop screw 21, the lower end of stop screw 21 penetrate to materials seat guide rail
15 rotation axis outer wall contact, the lower end of stop screw 21 are bonded with non-slip rubber block, enhance the limit to materials seat guide rail 15
Effect.
In conjunction with shown in Fig. 1 and Fig. 3, the outer wall and inner wall of materials seat guide rail 15 offer roller groove, seat guide rail 15 of drawing materials
On be arranged materials needle group seat 16 there are three box shape, the inner rotation of needle group seat 16 of drawing materials is there are two idler wheel, and two idler wheels
The roller groove cooperation opened up respectively with materials 15 inside and outside wall of seat guide rail rolls connection, so that materials needle group seat 16 can be along materials seat
The idler wheel groove track that guide rail 15 is opened up is moved, and the right side wall of materials needle group seat 16 is welded with the materials needle sleeve of sleeve-shaped
17, cooperation is inserted with materials needle group 18 in needle sleeve 17 of drawing materials, and two in three materials needle groups 18 are pilot pin, and one is takes
Material device, as shown in figure 4, the left side wall of materials needle group seat 16 is vertically bolted with a Limit screw 20, the left end of Limit screw 20
It is welded with runner, the right end of Limit screw 20 is penetrated to the left side wall of materials seat guide rail 15 and contacted, and the right side of Limit screw 20
End bonding non-slip rubber block, rotates when to Limit screw 20, so that Limit screw 20 presses the side wall of materials seat guide rail 15,
Materials needle group seat 16 is prevented to be subjected to displacement on materials seat guide rail 15.
Working principle: when the invention works, huckle being placed in the thigh placing groove that thigh placement rack 4 is opened up,
And thigh is fixed in the thigh placing groove of thigh placement rack 4 by two thigh bandages 5, calf is placed on shank and is put
It sets in the thigh placing groove that seat 6 is opened up, and is put the thigh that thigh is fixed on shank placement rack 6 by two shank bandages 7
It sets in slot, sole can be placed in sole placement plate 8；
As shown in figure 3, starting hydraulic cylinder 10 works, shank placement plate 2 is pushed up in the elongation of telescopic rod 13 set by hydraulic cylinder 10
Rise, can facilitate control knee joint drawn materials before state, adjust materials needle group 18 position when, as shown in Figure 1, by pair
Motor is controlled, and motor drives materials seat guide rail 15 that can carry out overturning adjusting, and cooperation is to materials needle group seat 16 along materials
The roller groove of seat guide rail 15 is moved, and all angles position of knee pointed by materials needle group 18 can be met, in conjunction with Fig. 5 and
Shown in Fig. 6, by being rotated to stop screw 21, so that 21 pairs of 15 rotation axis of materials seat guide rail of stop screw are pressed,
Materials seat guide rail 15 is further prevented to loosen offset, as shown in figure 4, by rotating to Limit screw 20, so that limit spiral shell
Bar 20 presses the side wall of materials seat guide rail 15, and materials needle group seat 16 is prevented to be subjected to displacement on materials seat guide rail 15.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
- The system 1. articular cartilage and subchondral bone of a kind of precise positioning are drawn materials, including thigh placement plate (1), shank placement plate (2) it and draws materials frame group (3), it is characterised in that: the lower surface of the thigh placement plate (1) is fixed on pedestal by four support columns On bottom plate, the upper surface of thigh placement plate (1) is welded with thigh placement rack (4), the upper surface side bind of thigh placement rack (4) Two thigh bandages (5) are fixed, left-hand end of the right-hand end of the thigh placement plate (1) hingedly with shank placement plate (2) is mutually cut with scissors It connects, the upper surface of shank placement plate (2) is welded with shank placement rack (6), and the upper surface side bind of shank placement rack (6) is fixed The right end upper surface of two shank bandages (7), vertical shank placement plate (2) is welded with sole placement plate (8), is close to the thigh It is welded with hydraulic cylinder base (9) on the right side of the welded support column in placement plate (1) lower surface, the upper surface of hydraulic cylinder base (9) is The inclined-plane being tilted to the right, and the upper surface middle part of hydraulic cylinder base (9) has been bolted hydraulic cylinder (10), hydraulic cylinder (10) Set telescopic rod (13) end is welded with articulated joint, and the lower surface of the shank placement plate (2) is welded with sliding rail (11), sliding rail (11) it is slidably connected in sliding hinge joint chair (12), the lower surface of sliding hinge joint chair (12) is welded with hinged seat, and telescopic rod (13) articulated joint and the hinged seat of sliding hinge joint chair (12) are hinged, and the materials frame group (3) includes overturning pedestal (14), takes Material seat guide rail (15) and materials needle group seat (16), overturning pedestal (14) set there are two and are symmetrically welded at thigh placement plate (1) Upper surface right end, materials seat guide rail (15) are in semi-annular shape, and the two sides outer end of materials seat guide rail (15) is welded with rotation axis, and takes The rotation axis of material seat guide rail (15) two sides is rotatablely connected with two overturning pedestals (14) respectively, is arranged in materials seat guide rail (15) Three materials needle group seats (16), the right side wall of materials needle group seat (16) are welded with materials needle sleeve (17), draw materials needle sleeve (17) Middle cooperation is inserted with materials needle group (18).
- The system 2. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: The upper surface recess portion of the thigh placement rack (4) is the thigh placing groove of circular arc cavity shape, and thigh placing groove surface bonding has soft Silk floss pads, and soft continuous pad is sewed in the middle part of thigh bandage (5).
- The system 3. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: Shank placement rack (6) the upper surface recess portion is the shank placing groove of circular arc cavity shape, and shank placing groove surface bonding has soft cotton It pads, soft continuous pad is sewed in the middle part of shank bandage (7).
- The system 4. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: The rotation axis of described materials seat guide rail (15) side is perforated through overturning pedestal (14) lateral wall, and penetration end is welded with transmission gear (19), and the gear teeth meshing on transmission gear (19) and motor rotary shaft, motor are fixed on the upper table of thigh placement plate (1) Face.
- The system 5. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: The upper end for the overturning pedestal (14) that materials seat guide rail (15) other side rotation axis is connected is bolted with a stop screw (21), the lower end of stop screw (21) penetrates to the rotation axis outer wall of materials seat guide rail (15) and contacts, stop screw (21) Lower end is bonded with non-slip rubber block.
- The system 6. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: The outer wall and inner wall of materials seat guide rail (15) offer roller groove, rolling that there are two the inner rotations of needle group seat (16) of drawing materials Wheel, and the roller groove cooperation that two idler wheels are opened up with materials seat guide rail (15) inside and outside wall respectively rolls connection.
- The system 7. articular cartilage and subchondral bone of a kind of precise positioning according to claim 1 are drawn materials, it is characterised in that: The left side wall of materials needle group seat (16) is vertically bolted with a Limit screw (20), the right end of Limit screw (20) penetrate to It is contacted with the left side wall of materials seat guide rail (15), and the right end of Limit screw (20) bonds non-slip rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128442.7A CN109893256A (en) | 2019-02-21 | 2019-02-21 | A kind of articular cartilage and subchondral bone materials system of precise positioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128442.7A CN109893256A (en) | 2019-02-21 | 2019-02-21 | A kind of articular cartilage and subchondral bone materials system of precise positioning |
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| CN109893256A true CN109893256A (en) | 2019-06-18 |
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| CN201910128442.7A Pending CN109893256A (en) | 2019-02-21 | 2019-02-21 | A kind of articular cartilage and subchondral bone materials system of precise positioning |
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Cited By (3)
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| CN112587366A (en) * | 2020-12-09 | 2021-04-02 | 佳木斯大学 | Sports rehabilitation leg activity sport equipment |
| CN113576671A (en) * | 2021-07-30 | 2021-11-02 | 威海市中心医院 | Anesthesia auxiliary stand for anesthesiologist |
| CN114081574A (en) * | 2021-11-24 | 2022-02-25 | 深圳市第二人民医院(深圳市转化医学研究院) | Cartilage sampling device with accurate positioning mechanism |
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| CN114081574A (en) * | 2021-11-24 | 2022-02-25 | 深圳市第二人民医院(深圳市转化医学研究院) | Cartilage sampling device with accurate positioning mechanism |
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Application publication date: 20190618 |
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| RJ01 | Rejection of invention patent application after publication |