CN106691556A - Multi-azimuth reduction external fixator for bone fracture - Google Patents
Multi-azimuth reduction external fixator for bone fracture Download PDFInfo
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- CN106691556A CN106691556A CN201611048495.0A CN201611048495A CN106691556A CN 106691556 A CN106691556 A CN 106691556A CN 201611048495 A CN201611048495 A CN 201611048495A CN 106691556 A CN106691556 A CN 106691556A
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- ball
- spicule
- sleeve
- installation portion
- dovetail
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a multi-azimuth reduction external fixator for bone fracture. The multi-azimuth reduction external fixator for bone fracture comprises a mandrel, a sleeve, a slide rail mechanism, two angular fine-tuning mechanisms vertical to each other, a first bone needle mounting part and a second bone needle mounting part, wherein a first universal device is arranged between the first bone needle mounting part and the mandrel, a second universal device is arranged between the second bone needle mounting part and the sleeve, the slide rail mechanism comprises a crisscross dovetail guide rail, a first dovetail groove block fixed on a first connector sleeve, a second dovetail groove block fixed on the mandrel, a first adjusting bolt and a second adjusting bolt, the two dovetail groove blocks are slidably arranged on the dovetail guide rail, the first adjusting bolt and the second adjusting bolt are respectively connected with the dovetail guide rail in a screwed manner, each angular fine-tuning mechanism comprises an adjusting threaded sleeve, a pair of rod-end joint bearings and two connecting rods, the rod-end joint bearings are respectively connected to two ends of the adjusting threaded sleeve in a screwed manner, the connecting rods are respectively fixed onto the sleeve and the second bone needle mounting part, and each rod-end joint bearing is pivoted to the corresponding connecting rod. By the arrangement, the multi-azimuth reduction external fixator has the advantages that lateral and angular displacement of a bone fracture end can be corrected, and the reduction external fixator is labor-saving in operation and capable of lowering fracture reduction difficulty.
Description
【Technical field】
The present invention relates to one kind multi-faceted external fixator for restoring of fracture, the fracture for being directed to dislocation in orthopaedics Minimally Invasive Surgery
End carries out multi-faceted reset, belongs to orthopedic medical device technical field.
【Background technology】
The reduction of the fracture is substantially to be resetted by orthopedist's manpower in operation at present, and bone is held by instruments such as bone holding forcep
Folding end, assistant traction, correct displacement fracture, it is necessary to manpower it is many.On the other hand, difficulty is maintained after reset, it is necessary to pass through
The means such as reduction forceps clamping, Kirschner wire or screw reach interim fixation, because the big blood fortune destruction to fracture end of wound is big, periosteum
Spalling damage is big, is easily caused delayed healing even bone nonunion, and in view of this, existing medical device industry needs the bone of hommization badly
Folding external fixator for restoring.
【The content of the invention】
It is multi-faceted multiple it is an object of the invention to provide a kind of fracture that can correct fracture end lateral displacement and angulation displacement
Position external fixator.
Therefore, the present invention provides following technical scheme：
Fracture multi-faceted external fixator for restoring, including mandrel, the branch casing that is set on mandrel, spicule first are pacified
Dress portion and the installation portion of spicule second, are disposed with the first universal head between the installation portion of spicule first and mandrel, spicule second is installed
The second universal head is disposed between portion and sleeve pipe, first universal head includes be fixed on the installation portion of spicule first ten thousand
To joint ball, kink in the ball-head cover on the gimbal suspension ball its universal ball end, the first fitting sleeve and in the first fitting sleeve
Ball cup, the first fitting sleeve snaps connection with ball-head cover, the ball cup by the cam pin that is plugged on the first fitting sleeve with
The spherical contact of universal ball end, second universal head includes gimbal suspension ball, the work be fixed on the installation portion of spicule second
It is placed on ball-head cover on the gimbal suspension ball its universal ball end, the second fitting sleeve and the ball cup in the second fitting sleeve,
Two fitting sleeves are snapped connection with ball-head cover, and the ball cup is in ball by the cam pin and universal ball end being plugged on the second fitting sleeve
Face contacts, wherein, by cannula tip direct forming, its improvement is the second fitting sleeve：Also include a sliding track mechanism, install
An angular micro-adjusting mechanism and another angular micro-adjusting mechanism on sleeve pipe and the installation portion of spicule second, this two angular micro-
Regulating mechanism is mutually at right angles arranged, and is all used to adjust spicule the second installation portion angle, and the sliding track mechanism includes a cross dovetail
Guide rail, the first dovetail geosynclinal block being fixedly arranged on the first fitting sleeve end face, the second dovetail geosynclinal block, first being fixedly arranged on end face of mandrel
Regulating bolt and the second regulating bolt, the first dovetail geosynclinal block and the second dovetail geosynclinal block slide be disposed in cross dovetail guide respectively
On, the first regulating bolt, the second regulating bolt are movably set on the first dovetail geosynclinal block, the second dovetail geosynclinal block respectively, and first,
Second regulating bolt is mutually rotatably connected on the cross dovetail guide at a right angle, the regulating bolt of turn first, the second regulating bolt, can
To adjust the locus vertical each other of the installation portion of spicule first and the installation portion of spicule second, an angular micro-adjusting mechanism includes
One Adjusting bolt Adjusting screw pipe, a pair of spherical plain bearing rod ends that the Adjusting bolt Adjusting screw pipe two ends are rotatably connected in respectively, be individually fixed in sleeve pipe with
Two connecting rods parallel to each other on the installation portion of spicule second, each spherical plain bearing rod end is hubbed at a corresponding connecting rod respectively
On, another angular micro-adjusting mechanism includes an Adjusting bolt Adjusting screw pipe, is rotatably connected in a pair of rod ends at the Adjusting bolt Adjusting screw pipe two ends respectively
Oscillating bearing, two connecting rods parallel to each other being individually fixed on sleeve pipe and the installation portion of spicule second, each spherical plain bearing rod end
It is hubbed at respectively on a corresponding connecting rod.
Used as preferential, above-mentioned first dovetail geosynclinal block and the first fitting sleeve are a single piece, and the second dovetail geosynclinal block is with mandrel
One single piece.
To save die sinking expense, the manufacturing cost of the multi-faceted external fixator for restoring of this fracture is reduced, said one is angularly micro-
Regulating mechanism and another angular micro-adjusting mechanism are two general mechanisms.
Compared with prior art, the invention has the advantages that and good effect：
During after adopting the above technical scheme, the regulating bolt of turn first (when this bolt is horizontally-arranged state), by translation the
One dovetail geosynclinal block, drive the installation portion of spicule first accordingly translate so that the fracture end being connected with the installation portion of spicule first relative to
The human body translation for reposing, to be finally reached one effect of lateral displacement of fracture end that correction is connected with the installation portion of spicule first；
Similarly, during the regulating bolt of turn second (when this bolt is in vertical state), by moving up and down the second dovetail geosynclinal block, spicule is driven
Second installation portion is accordingly moved up and down, adjustable height of the fracture end relative to the human body that reposes being connected with the installation portion of spicule second
Position, to be finally reached the effect of fracture end another lateral displacement that correction is connected with the installation portion of spicule second.
When the swivel nut pipe of one angular micro-adjusting mechanism of turn, the installation portion of spicule second is set to upwarp or sagging, with trickle
Its elevation angle of fracture end or inclination angle that regulation is connected with the installation portion of spicule second, are connected with being finally reached correction with the installation portion of spicule second
The effect of the angulation displacement of fracture end one for connecing；Similarly, when the swivel nut pipe of another angular micro-adjusting mechanism of turn, spicule second is made
Installation portion tends to human motion or deviates human body, to be biased into angle outside the fracture end that fine adjustments are connected with the installation portion of spicule second
Or the interior effect for being biased into angle, another angulation displacement of fracture end being connected with the installation portion of spicule second being corrected to be finally reached.
To sum up, reduction of the fracture rapid operation of the present invention is easy, and manpower meets the reduction of the fracture and fixation well using few
The need for, with the use of the present invention multi-faceted external fixator for restoring of fracture during orthopaedics Minimally Invasive Surgery, significantly reduce fracture multiple
Position operating difficulty, can reduce periosteum stripping and blood fortune destruction, improve reseting precision, beneficial to union, mitigate patient's pain,
And facilitate subsequent installation bone plate, while making minimal invasion Internal fixation technology application more easy.
【Brief description of the drawings】
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention multi-faceted external fixator for restoring of fracture；
Fig. 2 is the sleeve structure schematic diagram in the present invention；
Fig. 3 is the mandrel radial cutaway view in the present invention；
Fig. 4 is the ball cup structural representation in the first universal head；
Fig. 5 is the ball cup structural representation in the second universal head；
Fig. 6 is a structural representation for angular micro-adjusting mechanism；
Fig. 7 is the structural representation of another angular micro-adjusting mechanism；
Fig. 8 is the stereogram of cross dovetail guide；
Fig. 9 is the first dovetail geosynclinal block and the first fitting sleeve is the overall structural representation of a part.
【Specific embodiment】
Refer to shown in Fig. 1,2,3,4,5,6,7,8,9, be presently preferred embodiments of the present invention.
Fracture multi-faceted external fixator for restoring, including mandrel 3, the branch casing 4, spicule that is set on mandrel 3
One installation portion 1 and the second installation portion of spicule 2, are disposed with the first universal head 5, spicule between the first installation portion of spicule 1 and mandrel 3
The second universal head 6 is disposed between second installation portion 2 and sleeve pipe 4.
Screw 40 is offered on sleeve pipe 4, after holding screw S0 is screwed in, the head end dieback of holding screw S0 is opened in mandrel 3
If the bottom land of adjustment elongated slot 30, complete the adjustable fixation of sleeve pipe 4 and mandrel 3.
The first installation portion of spicule 1 is made up of mounting seat 11, needle clamping plate 12 and hexagon socket head cap screw S.Needle clamping plate 12 is attached to installation
Fixed by two pieces of hexagon socket head cap screw S after on seat 11, the first installation portion of spicule 1 after fixing is in class Elliptic Cylinder just,
And the class Elliptic Cylinder for involuting has for installing the mounting hole 10 used by spicule, connecting rod；The second installation portion of spicule 2
It is made up of mounting seat 21, needle clamping plate (not seen in Fig. 1) and hexagon socket head cap screw S, needle clamping plate passes through after being attached in mounting seat 21
Two pieces of hexagon socket head cap screw S are fixed, and it is also to be in class Elliptic Cylinder that the spicule second after fixing installs 2, and this is involuted
Class Elliptic Cylinder have for installing spicule, the mounting hole 20 used by connecting rod.To save die sinking cost, the first installation portion of spicule 1
It is identical with spicule 2 structures of the second installation portion.
Refer to shown in Fig. 1 left-hand sides, the first universal head 5 includes the universal pass being fixed on the first installation portion of spicule 1
Section ball 51, kink connects in the ball-head cover 52 on the gimbal suspension ball 51 its universal ball end 511, the first fitting sleeve 53 and positioned at first
Ball cup 54 in headgear 53, ball-head cover 52 is snapped connection with the first fitting sleeve 53, and ball cup 54 is by being plugged in the first joint
Cam pin H on set 53 spherical with universal ball end 511 is contacted.
The joint handle 512 of gimbal suspension ball 51 is fixedly connected into one by roundlet pin (not seen in figure) with mounting seat 11
Body；Cam pin H is radially plugged in the pin-and-hole 530 of the first fitting sleeve 53, and axially lining is attached to the first fitting sleeve 53 to ball cup 54 again
Interior, ball cup 54 offers the concave curved being adapted with universal ball end 511 with the opposite side of gimbal suspension ball 51 (outside of ball cup 54)
Face, ball cup 54 and cam pin H opposite sides (inner side of ball cup 54) then offers the pit 540 being adapted with cam pin H, when turning
During dynamic this cam pin H, may be such that ball cup 54 it is axially a little mobile and with the spherical conflict of universal ball end 511, with reference to Fig. 4,5,9
It is shown.
Refer to shown in Fig. 1 right-hand sides, the second universal head 6 includes the universal pass being fixed on the second installation portion of spicule 2
Section ball 61, kink connects in the ball-head cover 62 on the gimbal suspension ball 61 its universal ball end 611, the second fitting sleeve 41 and positioned at second
Ball cup 64 in headgear 41, ball-head cover 62 is snapped connection with the second fitting sleeve 41, and ball cup 64 is by being plugged in the second joint
Set 41 on cam pin H it is spherical with universal ball end 611 contact, wherein, by the end of sleeve pipe 4, (Fig. 1 show the second fitting sleeve 41
Right part) direct forming.
The joint handle 612 of gimbal suspension ball 61 is fixedly connected integrally by roundlet pin I with mounting seat 21；Cam pin H
Radially it is plugged in the second fitting sleeve 41, axially lining is attached in the second fitting sleeve 41 ball cup 64 again, ball cup 64 and universal pass
Section ball 61 opposite side (outside of ball cup 64) offers the concave curved surface being adapted with universal ball end 611, ball cup 64 and cam pin H
Opposite side (inner side of ball cup 64) then offers the pit 640 being adapted with cam pin H, when cam pin H is rotated, can make
Ball cup 64 it is axially a little mobile and with the spherical conflict of universal ball end 611, with reference to shown in Fig. 4,5.
In first universal head 5 in gimbal suspension ball 51, ball-head cover 52, the universal head 6 of ball cup 54 and second ten thousand
There is identical structure respectively to joint ball 61, ball-head cover 62, ball cup 64, part universality is strong.
The improvement of the application is also to include a sliding track mechanism 7, be installed on sleeve pipe 4 and the second installation portion of spicule 2
An angular micro-adjusting mechanism 8 (Fig. 1 is shown as vertical overhead) and be installed on sleeve pipe 4 and the second installation portion of spicule 2 another
Angular micro-adjusting mechanism 9 (Fig. 1 shows in lower section), this two angular micro-adjusting mechanisms arranged at right angles each other.
The sliding track mechanism 7 includes a cross dovetail guide 70, the first dovetail being fixedly arranged on the end face of the first fitting sleeve 53
(Fig. 1 is visible with hanging down for geosynclinal block 71 (have level trough, Fig. 1 do not see), the second dovetail geosynclinal block 72 being fixedly arranged on the end face of mandrel 3
Straight trough), the first regulating bolt S1 and the second regulating bolt S2.First dovetail geosynclinal block 71 is slided respectively with the second dovetail geosynclinal block 72 matches somebody with somebody
On cross dovetail guide 70, the first regulating bolt S1, the second regulating bolt S2 are movably set in the first dovetail geosynclinal block respectively
71st, on the second dovetail geosynclinal block 72, and the first regulating bolt S1, the second regulating bolt S2 are mutually rotatably connected in the cross dovetail at a right angle
On guide rail 70.
Fig. 8 is visible, and the dovetail of cross dovetail guide 70 its arranged on left and right sides is in space cross distribution, cross dovetail guide 70
Two for opening up spin in space cross distribution screw for regulating bolt.
First dovetail geosynclinal block 71 and the first fitting sleeve 53 are a single piece；Second dovetail geosynclinal block 72 is one overall with mandrel 3
Part.
Second dovetail geosynclinal block 72 is welded in the left end of mandrel 3.
Fig. 1 is visible, and the first dovetail geosynclinal block 71 has bending part 711, and the first regulating bolt S1 is horizontal located at the bending part 711
In the through hole for opening up, and first regulating bolt S1 its catch S11 and bolt head respectively positioned at this bending part 711 inwall side,
Outer wall side, the first regulating bolt S1 is horizontal to be rotatably connected on cross dovetail guide 70；Similarly, the second dovetail geosynclinal block 72 has bending
Portion 721, in the vertical through holes opened up located at the bending part 721 of the second regulating bolt S2, and second regulating bolt S2 its catch
(not seen in Fig. 1) and bolt head are respectively positioned at inwall side, the outer wall side of this bending part 721, the second vertical rotations of regulating bolt S2
It is connected on cross dovetail guide 70.
One angular micro-adjusting mechanism 8 includes an Adjusting bolt Adjusting screw pipe 80, is rotatably connected in the Adjusting bolt Adjusting screw pipe 80 left and right two respectively
The spherical plain bearing rod end 81,82 at end, is individually fixed in two connecting rods parallel to each other on sleeve pipe 4 and the second installation portion of spicule 2
83rd, 84, spherical plain bearing rod end 81 is hubbed on connecting rod 83, and spherical plain bearing rod end 82 is then hubbed on connecting rod 84.
Another angular micro-adjusting mechanism 9 includes Adjusting bolt Adjusting screw pipe 90, to be rotatably connected in the Adjusting bolt Adjusting screw pipe 90 respectively left and right
The spherical plain bearing rod end 91,92 at two ends, is individually fixed in two companies parallel to each other on sleeve pipe 4 and the second installation portion of spicule 2
Bar 93,94, spherical plain bearing rod end 91 is hubbed on connecting rod 93, and spherical plain bearing rod end 92 is then hubbed on connecting rod 94.
One angular micro-adjusting mechanism 8 is two general mechanisms with another angular micro-adjusting mechanism 9.
When the present invention is specifically used, age and the state of an illness according to patient determine anesthesia scheme, distinguish that fracture is moved under X-ray machine
Position situation respectively squeezes into two stainless steel spicules with selected position of threading a needle from the leg at fracture two ends, then, is pacified with spicule first
Dress portion 1, the second installation portion of spicule 2 are fixedly clamped spicule respectively, this external fixator is located at the preceding outside of leg, and external fixator
Length direction is consistent with the length direction of limbs.
By the Adjusting bolt Adjusting screw pipe 80 and the Adjusting bolt Adjusting screw pipe of another angular micro-adjusting mechanism 9 of angular micro-adjusting mechanism 8
90 are adjusted respectively, to correct fracture end angulation displacement and fixation.
When adjustment fracture end lateral displacement is needed, by two regulating bolts S1, S2 of turn sliding track mechanism.
When key cripetura situation occurs, unscrew holding screw S0, after mobile sleeve pipe 4 is in place, then tighten holding screw S0
Until tight against adjustment elongated slot 30.
Claims (3)
1. a kind of multi-faceted external fixator for restoring of fracture, including mandrel, the branch casing, the spicule first that are set on mandrel
Installation portion and the installation portion of spicule second, are disposed with the first universal head between the installation portion of spicule first and mandrel, spicule second is pacified
The second universal head is disposed between dress portion and sleeve pipe, first universal head includes being fixed on the installation portion of spicule first
Gimbal suspension ball, kink are in the ball-head cover on the gimbal suspension ball its universal ball end, the first fitting sleeve and positioned at the first fitting sleeve
Interior ball cup, the first fitting sleeve is snapped connection with ball-head cover, and the ball cup is by the cam pin that is plugged on the first fitting sleeve
It is spherical with universal ball end to contact, second universal head include be fixed on the installation portion of spicule second gimbal suspension ball,
Kink in the ball-head cover on the gimbal suspension ball its universal ball end, the second fitting sleeve and the ball cup in the second fitting sleeve,
Second fitting sleeve is snapped connection with ball-head cover, and the ball cup is in universal ball end by the cam pin being plugged on the second fitting sleeve
Sphere-contact, wherein, the second fitting sleeve is by cannula tip direct forming, it is characterised in that：Also include a sliding track mechanism, install
An angular micro-adjusting mechanism and another angular micro-adjusting mechanism on sleeve pipe and the installation portion of spicule second, this two angular fine settings
Mechanism mutually at right angles arranges that the sliding track mechanism includes a cross dovetail guide, first be fixedly arranged on the first fitting sleeve end face
Dovetail geosynclinal block, the second dovetail geosynclinal block, the first regulating bolt and the second regulating bolt being fixedly arranged on end face of mandrel, the first dovetail groove
Block and the second dovetail geosynclinal block slide be disposed on the cross dovetail guide respectively, the first regulating bolt, the second regulating bolt difference
Be movably set on the first dovetail geosynclinal block, the second dovetail geosynclinal block, and first, second regulating bolt be mutually rotatably connected at a right angle this ten
On word dovetail guide, an angular micro-adjusting mechanism includes an Adjusting bolt Adjusting screw pipe, is rotatably connected in the Adjusting bolt Adjusting screw pipe two ends respectively
A pair of spherical plain bearing rod ends, two connecting rods parallel to each other being individually fixed on sleeve pipe and the installation portion of spicule second, each rod end
Oscillating bearing is hubbed on a corresponding connecting rod respectively, and another angular micro-adjusting mechanism includes an Adjusting bolt Adjusting screw pipe, difference
It is rotatably connected in a pair of spherical plain bearing rod ends at the Adjusting bolt Adjusting screw pipe two ends, be individually fixed on sleeve pipe and the installation portion of spicule second two
Bar connecting rod parallel to each other, each spherical plain bearing rod end is hubbed on a corresponding connecting rod respectively.
2. the multi-faceted external fixator for restoring of fracture according to claim 1, it is characterised in that：The first dovetail geosynclinal block with
First fitting sleeve is a single piece, and the second dovetail geosynclinal block is a single piece with mandrel.
3. the multi-faceted external fixator for restoring of fracture according to claim 1 and 2, it is characterised in that：It is one angular micro-
Regulating mechanism and another angular micro-adjusting mechanism are two general mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048495.0A CN106691556B (en) | 2016-11-18 | 2016-11-18 | Fracture multidirectional reduction external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048495.0A CN106691556B (en) | 2016-11-18 | 2016-11-18 | Fracture multidirectional reduction external fixator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106691556A true CN106691556A (en) | 2017-05-24 |
| CN106691556B CN106691556B (en) | 2023-07-04 |
Family
ID=58934957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611048495.0A Active CN106691556B (en) | 2016-11-18 | 2016-11-18 | Fracture multidirectional reduction external fixator |
Country Status (1)
| Country | Link |
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| CN (1) | CN106691556B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464184A (en) * | 2019-01-15 | 2019-03-15 | 河南省中医院（河南中医药大学第二附属医院） | Limb long bone diaphysis fracture reduction device |
| CN109662767A (en) * | 2018-12-26 | 2019-04-23 | 大博医疗科技股份有限公司 | Nearly joint deformity corrects exterior fixing rack |
| CN113648065A (en) * | 2021-07-30 | 2021-11-16 | 上海大学 | Clamping apparatus of pelvic fracture reduction robot |
| CN113813054A (en) * | 2021-08-13 | 2021-12-21 | 上海大学 | Universal adjusting type pelvis clamping instrument of pelvis fracture reduction robot |
| CN113974815A (en) * | 2021-10-22 | 2022-01-28 | 上海大学 | Universal and hydraulic expansion type clamping instrument of pelvic fracture reduction robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109662767A (en) * | 2018-12-26 | 2019-04-23 | 大博医疗科技股份有限公司 | Nearly joint deformity corrects exterior fixing rack |
| CN109662767B (en) * | 2018-12-26 | 2020-07-03 | 大博医疗科技股份有限公司 | Near joint deformity correction external fixation support |
| CN109464184A (en) * | 2019-01-15 | 2019-03-15 | 河南省中医院（河南中医药大学第二附属医院） | Limb long bone diaphysis fracture reduction device |
| CN113648065A (en) * | 2021-07-30 | 2021-11-16 | 上海大学 | Clamping apparatus of pelvic fracture reduction robot |
| CN113648065B (en) * | 2021-07-30 | 2023-12-19 | 上海大学 | Clamping apparatus of pelvis fracture reduction robot |
| CN113813054A (en) * | 2021-08-13 | 2021-12-21 | 上海大学 | Universal adjusting type pelvis clamping instrument of pelvis fracture reduction robot |
| CN113813054B (en) * | 2021-08-13 | 2023-11-17 | 上海大学 | Universal adjusting type pelvis clamping instrument of pelvis fracture reduction robot |
| CN113974815A (en) * | 2021-10-22 | 2022-01-28 | 上海大学 | Universal and hydraulic expansion type clamping instrument of pelvic fracture reduction robot |
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| CN106691556B (en) | 2023-07-04 |
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