CN208541389U - Femoral head rebuilds exterior fixing rack device - Google Patents

Femoral head rebuilds exterior fixing rack device Download PDF

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Publication number
CN208541389U
CN208541389U CN201721117763.XU CN201721117763U CN208541389U CN 208541389 U CN208541389 U CN 208541389U CN 201721117763 U CN201721117763 U CN 201721117763U CN 208541389 U CN208541389 U CN 208541389U
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CN
China
Prior art keywords
spicule
outer sleeve
fixed link
section
rebuilds
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Active
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CN201721117763.XU
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Chinese (zh)
Inventor
陈建文
刘法波
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Shandong Juntai ande Medical Technology Co., Ltd
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Weifang Tai'an Medical Technology Co Ltd
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Priority to CN201721117763.XU priority Critical patent/CN208541389U/en
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Abstract

The utility model discloses a kind of femorals head to rebuild exterior fixing rack device, including inner sleeve, at a distance from patient's knochenbruch between hip joint, screw the cooperation position adjusted between screw rod adjustment inside and outside sleeve, spicule is hammered into knochenbruch, spicule is located at the part outside human body and is installed in spicule mounting hole, and realizes positioning, position of the adjustment turntable on screw rod according to actual needs, that locating piece is realized after adjustment holds out against positioning.Spicule is hammered at hip joint, the part for being located at spicule outside human body is installed in the circular hole formed after the docking of two arc grooves, and the clamping of spicule and the positioning of locating piece are realized by locking nut.Spicule is hammered into knochenbruch lower part, the part for being located at spicule outside human body is installed in the circular hole formed after the docking of two arc grooves, and the clamping of spicule and the positioning of locating piece are realized by locking nut.The spicule of this structure positions, and is distributed to gravity at hip joint, is convenient for patient activity.

Description

Femoral head rebuilds exterior fixing rack device
Technical field
The utility model relates to a kind of femorals head to rebuild exterior fixing rack device.
Background technique
Hip joint is multiaxis joint, can bend and stretch, take down the exhibits, rotating and circumduction, hip joint are connect with femur.In stock In the disease treatment of bone or knochenbruch, cure is generally positioned using spicule, the tool of fixed bone spicule is mainly outside gypsum at present Fixed or simply fixed device, but these fixed forms have the shortcomings that unified, i.e., and gravity concentrates on leg, leads to patient's leg Portion's limitation of movement, however leg is long-term stiff, will lead to the complication such as muscular atrophy.In addition, femoral head in the prior art It when wearing, is generally treated just for femoral head, gravity when patient walks after treatment is still at femoral head, i.e. stock Bone can still be worn, therefore this therapeutic modality and impracticable.
Utility model content
The technical problems to be solved in the utility model is in view of the foregoing drawbacks, to provide a kind of femoral head reconstruction exterior fixing rack Device, which, which rebuilds exterior fixing rack device, is distributed to gravity at hip joint, is convenient for patient activity.
In order to solve the above technical problems, the utility model includes inner sleeve, the slide outside of the inner sleeve is connected with outer Sleeve, the upper end of the inner sleeve be rotatably connected to can horizontal hunting turning joint, the turning joint upper end peace Equipped with arc snap-gauge, it is equipped at intervals with multiple strip holes on arc snap-gauge, fixed link, each fixation are mounted on each strip hole At least one spicule positioning device is equipped on bar;The lower part interval of the outer sleeve is equipped with multiple spicule positioning devices;Institute The top for stating outer sleeve is equipped with lateral Filtting device.
The middle part of the inner sleeve is equipped with guide groove, is bolted with the adjusting screw rod of lower end stretching in guide groove, under outer sleeve End is bolted with nut, adjusts on screw rod equipped with the driving platform for being rotatablely connected with nut or outer sleeve and outer sleeve being driven to slide; The inner sleeve is equipped with axial limiting slot, and the outer sleeve is equipped with the guide and limit column that can be slided in limiting slot;Institute The side for stating outer sleeve is equipped with the puller bolt cooperated with inner sleeve.
The nut, which is equipped with setting on the inner wall of the card slot or outer sleeve that can make to drive platform insertion, can make to drive platform insertion Card slot.
Spicule positioning device in fixed link includes being sleeved in fixed link rotatable and moveable locating piece, locating piece Middle part be equipped with and be sleeved on screw rod in fixed link and overhanging, the screw rod includes and the suit section of fixed link cooperation and overhanging Be spirally connected section, is set between section and fixed link and is equipped with gap, and there are two the fixture block being oppositely arranged, two fixture blocks for rotation connection in the section that is spirally connected Apparent surface on be correspondingly provided with arc groove, the circular hole that can clamp spicule is formed after the docking of two arc grooves, it is described to be spirally connected The outer end of section is bolted with locking nut.
The transverse direction Filtting device includes the locating piece being sleeved on outer sleeve, and the middle part of locating piece, which is equipped with, is sleeved on housing On cylinder and overhanging screw rod, turntable is rotatably connected on the screw rod, the end of the screw rod is equipped with the locking cooperated with turntable Nut;Be equipped on the turntable with the vertically disposed guide spiro rod of screw rod, moveable bone is installed on the guide spiro rod Needle erector.
The spicule erector includes the mounting blocks being sleeved on guide spiro rod, and spicule installation is symmetrically arranged on mounting blocks Hole, the side of mounting blocks are equipped with the puller bolt cooperated with spicule mounting hole, and the upper end of the mounting blocks is equipped with card slot, card slot The adjusting nut being screwed on guide spiro rod is inside installed.
The turning joint is hinged on the upper end of inner sleeve by hinged shaft, is equipped in turning joint and cooperates with inner sleeve Puller bolt.
Three strip holes are equipped at intervals on the arc snap-gauge, arc snap-gauge passes through a strip hole by bolt and fixes In the upper end of turning joint.
The one end of the fixed link passes through strip hole, and fixed link is equipped with the block plate cooperated with arc snap-gauge side wall, Gu One end that fixed pole is pierced by strip hole is equipped with locking nut.
Compared with the prior art, the utility model has the following advantages: according at patient's knochenbruch and between hip joint away from From, screw adjust screw rod adjustment inside and outside sleeve between cooperation position, thus substantially adjustment spicule positioning device and laterally move The position of device hammers into side spicule in knochenbruch, and other side spicule hammers into the femur adjacent with knochenbruch section, moves or turns Locating piece on dynamic transverse direction Filtting device, is located at the part outside human body for spicule and is installed in spicule mounting hole, according to practical need Position of the adjustment turntable on screw rod is asked, during adjustment turntable wire winding rod can also rotate, then adjust mounting blocks again and exist It is realized after adjustment by locking nut so that knochenbruch section be made to dock with adjacent femur section position on guide spiro rod The clamping of spicule positions, and screw rod moves out against while locking nut screwing, realizes locating piece on lateral Filtting device Positioning.Spicule is hammered at hip joint, position of the fixed link in strip hole is adjusted according to spicule position, according to the number of spicule Spicule positioning device is installed, the locating piece in rotation or mobile fixed link makes fixture block change position and angle, spicule is made to be located at people External part is installed in the circular hole formed after the docking of two arc grooves, and realizes that the clamping of spicule positions by locking nut With the positioning of locating piece.Spicule is hammered into knochenbruch lower part, the locating piece in rotation or mobile outer sleeve, make fixture block change position and Angle, the part for being located at spicule outside human body is installed in the circular hole formed after the docking of two arc grooves, and passes through locking nut Realize the positioning of the clamping positioning and locating piece of spicule.The spicule of this structure positions, and is distributed to gravity at hip joint, and Arc snap-gauge can be swung therewith when patient walks, therefore be convenient for patient activity.When femoral head is rebuild, spicule can also be hammered into At hip joint, is positioned by locating piece in fixed link to outside spicule, spicule is hammered into leg, passes through the locating piece on outer sleeve It is positioned to outside spicule, the reconstruction in vitro system of hip joint thus may be implemented, i.e., gravity when patient walking is distributed to Hip joint and leg, so that femoral head be avoided to wear.
In conclusion the utility model can be such that gravity is distributed at hip joint, it is convenient for patient activity, and structure is simple, It is easy to operate.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the A direction view in Fig. 1;
Fig. 3 is B-B direction cross-sectional view in Fig. 1;
Fig. 4 be in Fig. 1 C-C to cross-sectional view;
Fig. 5 is enlarged drawing at D in Fig. 1;
Fig. 6 is enlarged drawing at E in Fig. 1.
Specific embodiment
If Fig. 1, Fig. 4 and femoral head shown in fig. 6 rebuild exterior fixing rack device, including inner sleeve 1, inner sleeve 1 it is outer Portion slidably connects outer sleeve 2, and the middle part of inner sleeve 1 is equipped with guide groove in the present embodiment, and lower end stretching is bolted in guide groove Adjusting screw rod 11,2 lower end of outer sleeve is bolted with nut 6, adjusts and is equipped on screw rod 11 and nut 6 or outer sleeve 2 are rotatablely connected And the driving platform 101 that outer sleeve 2 can be driven to slide, nut 6 are equipped with the card slot or outer sleeve 2 that can make that platform 101 is driven to be embedded in The card slot that can make that platform 101 is driven to be embedded in is set on inner wall, and driving platform 101 is embedded in card slot, when screwing adjusting screw rod 11, drives platform 101 drive outer sleeves 2 move up and down, so as to adjust the cooperation position of inside and outside sleeve.Housing may be implemented in nut 6 in the present embodiment The micro-adjustment of cylinder 2.Inner sleeve 1 is equipped with axial limiting slot, and the side on 2 top of outer sleeve is equipped with and can slide in limiting slot Guide and limit column 21, guide and limit column 21 can be such that outer sleeve 2 vertically moves, and can rotate to avoid outer sleeve 2;Outside The other side of sleeve 2 is equipped with the puller bolt 22 cooperated with inner sleeve 1, adjusts the cooperation between inner sleeve 1 and outer sleeve 2 It is realized and is fixed by puller bolt 22 behind position.
As shown in figures 1 and 3, the upper end of inner sleeve 1 be rotatably connected to can horizontal hunting turning joint 3, activity close Section 3 is hinged on the upper end of inner sleeve 1 by hinged shaft, and the puller bolt 22 cooperated with inner sleeve 1 is equipped in turning joint 3, Fixation can be realized by puller bolt 22 after turning joint 3 positions by swinging.The upper end of turning joint is equipped with arc snap-gauge 4, it is adapted below the curved arc angle of arc snap-gauge 4 and hipbone in the present embodiment, i.e., arc snap-gauge 4 can be installed on human body hip Subordinate portion.It is equipped at intervals with multiple strip holes 41 on arc snap-gauge 4, is equipped at intervals with three strips in the present embodiment on arc snap-gauge 4 Hole 41, arc snap-gauge 4 pass through the upper end that a strip hole 41 is fixed on turning joint 3 by bolt.Each strip hole 41 On be mounted on fixed link 5, the one end of fixed link 5 passes through strip hole 41, and fixed link 5 is equipped with matches with 4 side wall of arc snap-gauge The block plate 51 of conjunction, one end that fixed link 5 is pierced by strip hole 41 are equipped with locking nut, need to adjust fixed link 5 according to physical location Position in corresponding strip hole 41, it is then fixed by screwing locking nut realization.Be equipped in each fixed link 5 to Lack a spicule positioning device, fixed link 5 is bonded with hipbone in the present embodiment, and the length of fixed link 5 is fixed according to spicule The number setting of position device.As shown in Figure 1, the lower part of outer sleeve 2, which is also spaced, is equipped with multiple spicule positioning devices, the present embodiment Spicule positioning device in middle fixed link 5 includes being sleeved in fixed link 5 removable and rotatable locating piece 7, locating piece 7 Middle part, which is equipped with, is sleeved on screw rod 8 in fixed link 5 and overhanging, and screw rod 8 includes the suit section cooperated with fixed link 5 and overhanging spiral shell Section is connect, is set between section and fixed link 5 and is equipped with gap, there are two the fixture block 9 being oppositely arranged, two fixture blocks for rotation connection in the section that is spirally connected It is correspondingly provided with arc groove on 9 apparent surface, forms circular hole after the docking of two arc grooves, spicule can be clamped in the circular hole, The be spirally connected outer end of section of screw rod 8 is bolted with locking nut, and screwing locking nut can make fixture block 9 be clamped in locating piece 7 and locking Between nut, to make two fixture blocks, 9 jam-packed, the fixation of spicule is realized, can also make lead screw 8 opposite while locking nut screws It is displaced outwardly, moving distance is to be set with section between fixed link 5 at a distance from gap, so that locating piece 7 be made to be fixed on fixed link 5 On, realize the positioning of locating piece 7.The spicule in spicule positioning device and fixed link 5 in the present embodiment on outer sleeve 2, which positions, to be filled Set that structure is identical, the spicule positioning device on outer sleeve 2 includes being sleeved on outer sleeve 2 to move and rotatable positioning Block 7, the middle part of locating piece 7, which is equipped with, is sleeved on screw rod 8 on outer sleeve 2 and overhanging, and screw rod 8 includes the set cooperated with outer sleeve 2 Section and the overhanging section that is spirally connected are filled, is set between section and outer sleeve 2 and is equipped with gap, there are two be oppositely arranged for rotation connection in the section that is spirally connected Fixture block 9, arc groove is correspondingly provided on the apparent surface of two fixture blocks 9, circular hole is formed after the docking of two arc grooves, in the circular hole Spicule can be clamped, the be spirally connected outer end of section of screw rod 8 is bolted with locking nut, and screwing locking nut can be such that fixture block 9 is clamped in Between locating piece 7 and locking nut, to make two fixture blocks, 9 jam-packed, realizes the fixation of spicule, may be used also while locking nut screws So that lead screw 8 moves out against, moving distance is to be set with section between outer sleeve 2 at a distance from gap, to make locating piece 7 It is fixed on outer sleeve 2, realizes the positioning of locating piece 7.
As shown in Figure 1, Figure 2 and shown in Fig. 5, the top of outer sleeve 2 is equipped with lateral Filtting device.Lateral Filtting device includes set It can be rotated on outer sleeve 2 and moveable locating piece 7, the middle part of locating piece 7 be on outer sleeve 2 and overhanging equipped with being sleeved on Screw rod 8, screw rod 8 include the suit section and the overhanging section that is spirally connected cooperated with outer sleeve 2, are set between section and outer sleeve 2 and are equipped with seam Gap is rotatably connected to turntable 81 in the section that is spirally connected, which can move in the horizontal direction or rotate, and be spirally connected section End be bolted with the locking nut for being pressed against the outside of turntable 81, adjust behind the position of turntable 81 through locking nut fixation i.e. It can.Be equipped on turntable 81 with the vertically disposed guide spiro rod 82 of screw rod 8, being equipped on guide spiro rod 82 can be along guide spiro rod 82 The spicule erector of sliding.Spicule erector includes the mounting blocks 83 being sleeved on guide spiro rod 82, mounting blocks in the present embodiment Spicule mounting hole 85 is symmetrically arranged on 83, the side of mounting blocks 83 is equipped with the puller bolt 22 cooperated with spicule mounting hole 85, will Spicule is installed in spicule mounting hole 85, then realizes positioning by puller bolt 22.The upper end of mounting blocks 83 is equipped with card slot, The adjusting nut 84 being screwed on guide spiro rod 82 is installed, the front end of card slot is equipped with and can realize to adjusting nut 84 in card slot The chuck 86 of limit, screwing adjusting nut 84 can be adjusted position of the mounting blocks 83 on guide spiro rod 82.The transverse direction of the structure Filtting device is convenient for multi-angle, the positioning of multi-faceted adjustment spicule.As shown in Fig. 2, the side of guide spiro rod 82 is equipped with limiting slot, The inner surface of mounting blocks 83 is equipped with the limited block that can be slidably connected in limiting slot.The structure can rotate to avoid mounting blocks 83.
Use process: it at a distance from patient's knochenbruch between hip joint, screws and adjusts the adjustment inner-outer sleeve of screw rod 11 Cooperation position between cylinder, so that the position of substantially adjustment spicule positioning device and lateral Filtting device, side spicule is hammered into In knochenbruch, other side spicule is hammered into the femur adjacent with knochenbruch section, and spicule is located at human body by mobile or rotating locating blocks 7 Outer part is installed in spicule mounting hole 85, position of the turntable 81 on screw rod 8 is adjusted according to actual needs, during adjustment 81 wire winding rod 8 of turntable can also be made to rotate, then adjust position of the mounting blocks 83 on guide spiro rod 82 again, so that knochenbruch be made to cut Face is docked with adjacent femur section, realizes that the clamping of spicule positions by locking nut after adjustment, locking nut screwing Screw rod 8 moves out against simultaneously, realizes the positioning of locating piece 7 in lateral Filtting device.Spicule is hammered at hip joint, according to Spicule position adjusts position of the fixed link 5 in strip hole 41, installs spicule positioning device, rotation or shifting according to the number of spicule Locating piece 7 in dynamic fixed link 5 makes the change position of fixture block 9 and angle, the part for being located at spicule outside human body be installed to two arcs After groove docking in the circular hole that is formed, and the clamping positioning of spicule is realized by locking nut, while locking nut screwing thread Bar 8 moves out against, realizes the positioning of locating piece 7 in fixed link 5.Spicule is hammered into knochenbruch lower part, rotation or mobile housing Locating piece 7 on cylinder 2 makes the change position of fixture block 9 and angle, the part for being located at spicule outside human body be installed to two arc grooves pair In the circular hole formed after connecing, and realize that the clamping of spicule positions by locking nut, screw rod 8 is opposite while locking nut screwing It is displaced outwardly, realizes the positioning of locating piece 7 on outer sleeve 2.The spicule of this structure positions, and is distributed to gravity at hip joint, And arc snap-gauge 4 can be swung therewith when patient's walking, therefore be convenient for patient activity.The present embodiment is made for femur fracture Preferred plan, in addition, can also be hammered into spicule at hip joint when femoral head is rebuild, pass through locating piece 7 in fixed link 5 It is positioned to outside spicule, spicule is hammered into leg, positioned by the locating piece 7 on outer sleeve 2 to outside spicule, it in this way can be real The reconstruction in vitro system of existing hip joint.
The above is the specific constructive form of the utility model, and the present utility model is not limited to the above embodiments, For those skilled in the art, equivalent variations and part replacement based on specific structure on the utility model are all practical new at this In the protection scope of type.

Claims (9)

1. a kind of femoral head rebuilds exterior fixing rack device, it is characterized in that: including inner sleeve (1), the outside of the inner sleeve (1) Slidably connect outer sleeve (2), the upper end of the inner sleeve (1) be rotatably connected to can horizontal hunting turning joint (3), institute The upper end for stating turning joint is equipped with arc snap-gauge (4), multiple strip holes (41) is equipped at intervals on arc snap-gauge (4), each It is mounted on strip hole (41) fixed link (5), is equipped at least one spicule positioning device on each fixed link (5);It is described The lower part interval of outer sleeve (2) is equipped with multiple spicule positioning devices;The top of the outer sleeve (2), which is equipped with, laterally moves dress It sets.
2. femoral head according to claim 1 rebuilds exterior fixing rack device, it is characterized in that: in the inner sleeve (1) Portion is equipped with guide groove, and the adjusting screw rod (11) of lower end stretching is bolted in guide groove, and outer sleeve (2) lower end is bolted with nut (6), It adjusts on screw rod (11) equipped with the driving platform for being rotatablely connected with nut (6) or outer sleeve (2) and outer sleeve (2) being driven to slide (101);The inner sleeve (1) is equipped with axial limiting slot, and the outer sleeve (2) is led equipped with what can be slided in limiting slot To limited post (21);One side of the outer sleeve (2) is equipped with the puller bolt (22) cooperated with inner sleeve (1).
3. femoral head according to claim 2 rebuilds exterior fixing rack device, it is characterized in that: the nut (6) is equipped with It can make setting on the inner wall of the card slot for driving platform (101) insertion or outer sleeve (2) that the card slot for driving platform (101) insertion can be made.
4. femoral head according to claim 2 rebuilds exterior fixing rack device, it is characterized in that: the spicule in fixed link (5) Including being sleeved on fixed link (5), rotatably and movably locating piece (7), the middle part of locating piece (7) are equipped with set to positioning device On fixed link (5) and overhanging screw rod (8), the screw rod (8) includes and the suit section of fixed link (5) cooperation and overhanging Be spirally connected section, is set between section and fixed link (5) and is equipped with gap, the fixture block (9) being oppositely arranged there are two rotation connections in the section that is spirally connected, It is correspondingly provided with arc groove on the apparent surface of two fixture blocks (9), forms the circular hole that can clamp spicule after the docking of two arc grooves, The outer end of the section that is spirally connected is bolted with locking nut.
5. femoral head according to claim 4 rebuilds exterior fixing rack device, it is characterized in that: the transverse direction Filtting device packet It includes and is sleeved on outer sleeve (2) rotatable and moveable locating piece (7), the middle part of locating piece (7), which is equipped with, is sleeved on outer sleeve (2) on and overhanging screw rod (8), the screw rod (8) include the suit section and the overhanging section that is spirally connected with outer sleeve (2) cooperation, set It fills and is equipped with gap between section and outer sleeve (2), be rotatably connected to turntable (81) in the section that is spirally connected, the end of the section that is spirally connected is spirally connected There is the locking nut being pressed against on the outside of turntable (81);Be equipped with and be spirally connected on the turntable (81) the vertically disposed guide spiro rod of section (82), the spicule erector that can be slid along guide spiro rod (82) is installed on the guide spiro rod (82).
6. femoral head according to claim 5 rebuilds exterior fixing rack device, it is characterized in that: the spicule erector includes The mounting blocks (83) being sleeved on guide spiro rod (82) are symmetrically arranged with spicule mounting hole (85), mounting blocks on mounting blocks (83) (83) side is equipped with the puller bolt (22) cooperated with spicule mounting hole (85), and the upper end of the mounting blocks (83) is equipped with card Slot, the adjusting nut (84) being screwed on guide spiro rod (82) is equipped in card slot, and the front end of the card slot is equipped with and can exchange Whole nut (84) realizes the chuck (86) of limit;The side of the guide spiro rod (82) be equipped with limiting slot, mounting blocks (83) it is interior Surface is equipped with the limited block that can be slidably connected in limiting slot.
7. femoral head according to claim 2 rebuilds exterior fixing rack device, it is characterized in that: the turning joint (3) is logical The upper end that hinged shaft is hinged on inner sleeve (1) is crossed, the puller bolt with inner sleeve (1) cooperation is installed in turning joint (3) (22).
8. femoral head according to claim 7 rebuilds exterior fixing rack device, it is characterized in that: on the arc snap-gauge (4) Three strip holes (41) are equipped at intervals with, arc snap-gauge (4) passes through a strip hole (41) by bolt and is fixed on turning joint (3) upper end.
9. femoral head according to claim 8 rebuilds exterior fixing rack device, it is characterized in that: the one of the fixed link (5) End passes through strip hole (41), and fixed link (5) is equipped with the block plate (51) cooperated with arc snap-gauge (4) side wall, and fixed link (5) is worn One end of strip hole (41) is equipped with locking nut out.
CN201721117763.XU 2017-09-02 2017-09-02 Femoral head rebuilds exterior fixing rack device Active CN208541389U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721117763.XU CN208541389U (en) 2017-09-02 2017-09-02 Femoral head rebuilds exterior fixing rack device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721117763.XU CN208541389U (en) 2017-09-02 2017-09-02 Femoral head rebuilds exterior fixing rack device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107518935A (en) * 2017-09-02 2017-12-29 潍坊君泰安德医疗科技有限公司 Femoral head rebuilds exterior fixing rack device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107518935A (en) * 2017-09-02 2017-12-29 潍坊君泰安德医疗科技有限公司 Femoral head rebuilds exterior fixing rack device

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CP03 Change of name, title or address

Address after: 261041 30 meters to the east of Haiyuan road and 200 meters to the north of Zhujiang East Street, Binhai Industrial Park, high tech Zone, Weifang City, Shandong Province

Patentee after: Shandong Juntai ande Medical Technology Co., Ltd

Address before: 261041 Shandong province Weifang Wuling Road Economic Development Zone No. 117

Patentee before: WEIFANG JUNTAI ANDE MEDICAL TECHNOLOGY Co.,Ltd.

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: External fixator for femoral head reconstruction

Effective date of registration: 20201009

Granted publication date: 20190226

Pledgee: Bank of Weifang Limited by Share Ltd. Dongming branch

Pledgor: Shandong Juntai ande Medical Technology Co., Ltd

Registration number: Y2020980006672

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Date of cancellation: 20211206

Granted publication date: 20190226

Pledgee: Bank of Weifang Limited by Share Ltd. Dongming branch

Pledgor: Shandong Juntai ande Medical Technology Co., Ltd

Registration number: Y2020980006672

PC01 Cancellation of the registration of the contract for pledge of patent right