CN105943139A - Portable tractor for department of orthopaedics - Google Patents
Portable tractor for department of orthopaedics Download PDFInfo
- Publication number
- CN105943139A CN105943139A CN201610410792.9A CN201610410792A CN105943139A CN 105943139 A CN105943139 A CN 105943139A CN 201610410792 A CN201610410792 A CN 201610410792A CN 105943139 A CN105943139 A CN 105943139A
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- arm
- traction
- telescopic
- orthopaedics
- traction body
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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
-
- 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
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
-
- 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
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
-
- 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
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
-
- 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
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a portable tractor for the department of orthopaedics, and belongs to the field of medical instruments. The portable tractor for the department of orthopaedics comprises a traction body, a telescopic arm, a front C arm and a rear C arm. The rear C arm is connected to the traction body, a relatively-telescopic telescopic arm is arranged in the traction body, the end, extending out of the traction body, of the telescopic arm is connected with the front C arm, and the front C arm and the rear C arm are oppositely arranged and matched for use. The portable tractor for the department of orthopaedics mainly achieves the technical purpose of precisely controlling human body traction in the operation, treatment and rehabilitation processes, a doctor can definitely determine the traction distance in the using process, and the precise body length of a patient is achieved, the problems of labor saving, torsion increasing and efficiency are considered, and optimal conjunction in the aspects of labor saving, torsion increasing, working efficiency improvement and the like is achieved. The portable tractor can be widely applied in the body operation, treatment and rehabilitation processes.
Description
Technical field
The present invention relates to medical apparatus and instruments, the Portable puller of a kind of orthopaedics.
Background technology
In the operation, therapeutic process of orthopaedics, often the skeleton of human body limb need to be clamped and carries out traction flexible, to promote skeleton to be able to
Treatment and rehabilitation, and traditional method is to pass through gripper clamp by doctor or nurse, is fixed by the body part that need to stretch or draw, then people
Stretching for ground to control hauling distance, on the one hand it is in order to resist the counter pull of human body limb, needs medical treatment person to use bigger power, can be only achieved pre-
Determine effect, waste time and energy；Its stretching distance cannot be accurately controlled by still further aspect, leverages work efficiency；It is thus desirable to be badly in need of
A kind of orthopaedics traction apparatus, to solve above-mentioned technical problem, it is achieved the accurate control of human body limb orthopaedics stretching, save trouble and labor.
Summary of the invention
The goal of the invention of the present invention is: for the problem of above-mentioned existence, it is provided that a kind of orthopaedics Portable puller, mainly solves in operation, controls
Treat and in rehabilitation course, the technical problem that human body limb traction is accurately controlled；By the orthopaedics Portable puller of the present invention, doctor is made to use
During can determine hauling distance clearly, it is ensured that the more accurate limbs length of patient；And take into account laborsaving, increasing torsion and efficiency, make every effort to
Turn round in laborsaving, increasing and improve the aspects such as work efficiency and reach optimal agreeing with.
The technical solution used in the present invention is as follows:
The orthopaedics Portable puller of the present invention, including traction body, telescopic arm, front C arm and rear C arm, described traction body connects and has rear C arm,
Be provided with in described traction body can the telescopic arm of relative telescopic, described telescopic arm stretches out to connect on the end outside traction body front C arm, described front C arm with
Rear C arm is oppositely arranged and is used in conjunction with each other.The most front C arm and rear C arm are oppositely arranged the limbs that can be used for trapping human, it is ensured that to limbs two ends
Clamping；And telescopic arm stretches relative to traction body, the movement relative to the spacing of rear C arm of the front C arm can be driven, so that it is guaranteed that to human body limb
Draw.Mainly solve in operation, treatment and rehabilitation course, the technical problem that human body limb traction is accurately controlled；By the present invention's
Plant orthopaedics Portable puller, hauling distance during making doctor use, can be determined clearly, it is ensured that the more accurate limbs length of patient；And examine
Consider and arrived laborsaving, increasing torsion and efficiency, make every effort to turn round in laborsaving, increasing and improve the aspects such as work efficiency reach optimal agreeing with.
The orthopaedics Portable puller of the present invention, is provided with turbine, scroll bar and screw mandrel in described traction body, described scroll bar engages each other with turbine, institute
State scroll bar and connect the crank outside traction body, described turbine is equipped with the screw mandrel of threaded engagement；Described telescopic arm includes telescopic boom body, described flexible
Connection wire rod is fixed in one end of arm body, and the other end stretches out outside traction body.Worm and gear and Lead screw transmission structure is used, by worm gear snail in traction body
Bar amplifies at least 4～5 times of moments of torsion, makes operator have only to use the force operations telescopic arm handle of original 4～1/5th i.e. to can reach tractive effect,
Can substantially alleviate the working strength of operator.Due to the amplification of moment, this traction apparatus can be in the case of operator increase manipulation strength, and increase is drawn
Power, traction effect is much better than weight traction effect, and can greatly reduce the artificial situation participating in tractive.
The orthopaedics Portable puller of the present invention, described traction body is provided with locking mechanism, and wherein locking mechanism includes locking briquetting and hook knob,
Described telescopic boom body is provided with locking tooth bar, and wherein locking briquetting connects and be controlled by hook knob, and described locking briquetting cooperates with locking tooth bar
Lock.
The orthopaedics Portable puller of the present invention, the end of described telescopic boom body is provided with front C arm slot, described front C arm include front C arm body and
Installing tenon, the top of front C arm body is located at by described installation tenon, wherein installs tenon and can coordinate and be plugged in front C arm slot, and is connected by fixed knob.
The orthopaedics Portable puller of the present invention, the bottom surface of described traction body is provided with rear C arm chute, and described rear C arm includes rear C arm body, institute
The end face stating rear C arm body is provided with dovetail groove, and described dovetail groove cooperates with rear C arm chute and can relative slide.
Owing to front C arm and rear C arm are " C " character form structure, it is simple to the limbs of trapping human, and the traction carrying out limbs is needed also to be accomplished by front C
The slip that arm is relative with rear C arm, to adapt to the demand of different human body limbs, is also required to be controlled its amount of movement, to guarantee to lead accurately simultaneously
Draw, it is achieved precise manipulation.
The orthopaedics Portable puller of the present invention, described installation tenon is provided with fixed bolt hole one, makes can lead between described telescopic boom body and front C arm
Cross the fixing connection of bolt；Described dovetail groove is provided with fixed bolt hole two, makes can be bolted to connection between described traction body and rear C arm；Really
Protect surely leaning on of total.
The orthopaedics Portable puller of the present invention, described front C arm body and rear C arm body are respectively equipped with some Kirschner wire fixation bolt mounting grooves, because of
This makes this traction apparatus that Kirschner wire fixation can be coordinated to use, in order to the carrying out of operation.
Considering from driving angle, the distance that per revolution moves is the shortest, the most laborsaving, but the progress of such conference impact operation, therefore, warp
Crossing sufficiently consideration, drive mechanism is adjusted to current transmission ratios by us, makes every effort to turn round in laborsaving, increasing and improve the aspects such as work efficiency reach
Good agrees with；Therefore the orthopaedics Portable puller of the present invention, the side arm of described telescopic arm is provided with flexible scale；Wherein crank rotates a circle,
Described telescopic arm may move 2mm.This traction apparatus adds scale on telescopic arm, can determine hauling distance during making doctor use clearly, it is ensured that
The more accurate limbs length of patient.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, the orthopaedics Portable puller of the present invention, mainly solves, in operation, treatment and rehabilitation course, accurately to control human body limb traction
Technical problem；
2, the orthopaedics Portable puller of the present invention, can determine hauling distance, it is ensured that patient is the most accurate clearly during making doctor use
Limbs length；And take into account laborsaving, increasing torsion and efficiency, make every effort to turn round in laborsaving, increasing and improve the aspects such as work efficiency reach optimal agreeing with.
The orthopaedics Portable puller of the present invention, simple in construction, easy and simple to handle, easy to use, can in limb operation, treatment and rehabilitation course
With extensively application, it is suitable for promoting.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of the traction apparatus of the present invention.
Fig. 2 is the structural representation of pars contractilis in the present invention.
Fig. 3 is the structural representation of C arm front and back in the present invention.
Labelling in figure: C arm, 5-fixed knob after C arm, 4-before 1-traction body, 2-telescopic arm, 3-；101-traction body, 102-crank, 103-
After screw mandrel, 104-turbine, 105-, C arm chute, 106-lock briquetting, 107-hook knob；201-telescopic boom body, 202-lock tooth bar, 203-
C arm bolt mounting groove before C arm body, 302-before front C arm slot, 301-, 303-fixed bolt hole one, 304-install C arm body after tenon, 401-,
C arm bolt mounting groove, 403-dovetail groove, 404-fixed bolt hole two after 402-.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive feature and/or step with
Outward, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise, all can be by other equivalences or tool
The alternative features having similar purpose is replaced.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics
?.
As shown in Figure 1 to Figure 3, the orthopaedics Portable puller of the present invention, the orthopaedics Portable puller of the present invention, including traction body 1,
Telescopic arm 2, front C arm 3 and rear C arm 4, described traction body 1 connects and has rear C arm 4, and being provided with in described traction body 1 can relative telescopic flexible
Arm 2, described telescopic arm 2 stretches out to connect on the end outside traction body 1 a front C arm 3, and described front C arm 3 is oppositely arranged with rear C arm 4 and mutually
With the use of.Being provided with turbine 104, scroll bar and screw mandrel 103 in wherein said traction body 1, described scroll bar engages each other with turbine 104, described whirlpool
Bar connects the crank 102 outside traction body 1, is equipped with the screw mandrel 103 of threaded engagement in described turbine 104；Described telescopic arm 2 includes telescopic arm
Body 201, one end of described telescopic boom body 201 fixes connection wire rod 103, and the other end stretches out outside traction body 1.Described traction body 1 is provided with locking
Mechanism, described locking mechanism is positioned on one end stretching out telescopic boom body 201 of traction body 1, and wherein locking mechanism includes locking briquetting 106 and locking
Knob 107, described telescopic boom body 201 is provided with locking tooth bar 202, and wherein locking briquetting 106 connects and be controlled by hook knob 107, described lock
Level pressure block 106 cooperates with locking tooth bar 202 and locks.With therefore scroll bar 104 being driven to rotate by controlling the rotation of crank 102,
Scroll bar 104 drives the scroll bar engaged relative to body rotation, threadeds owing to using between worm screw with screw mandrel 103, therefore the rotation of worm screw
Can be exchanged into screw mandrel 103 movement in the axial direction thereof, then promote telescopic boom body 201 to stretch, it is achieved to the flexible control of front C arm 3, use
In controlling the stretching to human body limb.The end of described telescopic boom body 201 is provided with front C arm slot 203, and described front C arm 3 includes front C arm body
301 and install tenon 304, wherein before C arm body 301 in " C " character form structure, the crown center of front C arm body 301 is located at by described installation tenon 304,
And protrude a part relative to front C arm body 301, and installing between tenon 304 and front C arm body 301 as entirety is structure, wherein install tenon 304 to
A part for outer expenditure, just can coordinate and carry out joggle in being plugged in front C arm slot 203 and fix, and described installation tenon 304 is provided with fixed bolt hole
One 303, make can be bolted to connection between described telescopic boom body 201 and front C arm 3, and the bolt in this example just uses knob 5, because of
It is connected by knob 5 is fixing between this telescopic boom body 201 with front C arm 3.The bottom surface of described traction body 1 is provided with rear C arm chute 105, after this
The structure of C arm chute 105 just structure with dovetail groove 403 matches, and described rear C arm 4 includes rear C arm body 401, this rear C arm body 401
In " C " character form structure, the end face of described rear C arm body 401 is provided with dovetail groove 403, namely dovetail groove 403 is in the center of top of rear C arm body 401
Concaving, wherein said dovetail groove 403 is mutually paired with rear C arm chute 105 and can relative slide.；Described dovetail groove 403 is provided with fixing spiral shell
Keyhole 2 404, makes can be bolted to connection between described traction body 1 and rear C arm 4.On described front C arm body 301 and rear C arm body 401
It is respectively equipped with some Kirschner wire fixation bolt mounting grooves.The side arm of described telescopic arm 2 is provided with flexible scale；Wherein crank 102 rotates a circle, institute
State telescopic arm 2 and may move 2mm.
The orthopaedics Portable puller of the present invention, retractor body uses worm and gear and Lead screw transmission structure, amplifies at least 4～5 by worm and gear
Times moment of torsion, makes operator have only to use the force operations telescopic arm handle of original 4～1/5th i.e. to can reach tractive effect, can substantially alleviate operation
The working strength of person.Due to the amplification of moment, this traction apparatus can increase pulling force in the case of operator does not increases manipulation strength, and traction effect is big
It is better than greatly weight traction effect, and the artificial situation participating in tractive can be greatly reduced.Tradition weight traction can not accurately control hauling distance, to this end,
This traction apparatus adds scale on telescopic arm, can determine hauling distance during making doctor use clearly, it is ensured that the more accurate limbs length of patient.
This set drive mechanism has fully taken into account laborsaving, increasing torsion and efficiency, and the every swinging handle of operator one encloses, and telescopic arm may move 2mm.From transmission
Angle considers, the distance that per revolution moves is the shortest, the most laborsaving, but the progress of such conference impact operation, therefore, examine through sufficiently
Considering, drive mechanism is adjusted to current transmission ratios by us, makes every effort to turn round in laborsaving, increasing and improve the aspects such as work efficiency reach optimal agreeing with.
The part that stretch arm and main body connect is can to rotate and lock, when Kirschner wire angle not level or patient limb occur axial rotary owing to fracturing,
The broken ends of fractured bone can be made to return to correct angle by rotary extension arm, and be locked in this angle, carry out the preparation of abundance for operation.This traction apparatus exists
On the premise of ensureing overall construction intensity, as much as possible alleviating weight, overall weight, less than 3.3kg, facilitates operator to carry and uses.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any new feature disclosed in this manual or any new group
Close, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (8)
1. an orthopaedics Portable puller, it is characterised in that: it includes traction body (1), telescopic arm (2), front C arm (3) and rear C arm
(4), the upper connection of described traction body (1) has rear C arm (4), be provided with in described traction body (1) can the telescopic arm (2) of relative telescopic, described in stretch
Contracting arm (2) stretches out to connect on traction body (1) end outward has front C arm (3), described front C arm (3) and rear C arm (4) to be oppositely arranged and phase
Mutually with the use of.
2. orthopaedics Portable puller as claimed in claim 1, it is characterised in that: it is provided with turbine (104), whirlpool in described traction body (1)
Bar and screw mandrel (103), described scroll bar engages each other with turbine (104), and described scroll bar connects traction body (1) crank (102) outward, described whirlpool
Wheel (104) is equipped with the screw mandrel (103) of threaded engagement；Described telescopic arm (2) includes telescopic boom body (201), described telescopic boom body (201)
One end fix connection wire rod (103), the other end stretches out traction body (1) outward.
3. orthopaedics Portable puller as claimed in claim 2, it is characterised in that: described traction body (1) is provided with locking mechanism, wherein
Locking mechanism includes locking briquetting (106) and hook knob (107), and described telescopic boom body (201) is provided with locking tooth bar (202), Qi Zhongsuo
Level pressure block (106) connects and is controlled by hook knob (107), and described locking briquetting (106) cooperates with locking tooth bar (202) and locks
Fixed.
4. orthopaedics Portable puller as claimed in claim 2 or claim 3, it is characterised in that: the end of described telescopic boom body (201) is provided with
Front C arm slot (203), described front C arm (3) includes front C arm body (301) and installs tenon (304), and described installation tenon (304) is located at front C
The top of arm body (301), is wherein installed in tenon (304) can coordinate and be plugged in front C arm slot (203), and is connected by fixed knob (5).
5. orthopaedics Portable puller as claimed in claim 4, it is characterised in that: it is sliding that the bottom surface of described traction body (1) is provided with rear C arm
Groove (105), described rear C arm (4) includes rear C arm body (401), and the end face of described rear C arm body (401) is provided with dovetail groove (403), described
Dovetail groove (403) cooperates with rear C arm chute (105) and can relative slide.
6. orthopaedics Portable puller as claimed in claim 5, it is characterised in that: described installation tenon (304) is provided with fixed bolt hole one
(303), make can be bolted to connection between described telescopic boom body (201) and front C arm (3)；Described dovetail groove (403) is provided with solid
Determine bolt hole two (404), make can be bolted to connection between described traction body (1) and rear C arm (4).
7. orthopaedics Portable puller as claimed in claim 5, it is characterised in that: described front C arm body (301) and rear C arm body (401)
On be respectively equipped with some Kirschner wire fixation bolt mounting grooves.
8. the orthopaedics Portable puller as described in Claims 2 or 3 or 5 or 6 or 7, it is characterised in that: the side of described telescopic arm (2)
Arm is provided with flexible scale；Wherein crank (102) rotates a circle, and described telescopic arm (2) may move 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410792.9A CN105943139B (en) | 2016-06-13 | 2016-06-13 | A kind of Portable puller of orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410792.9A CN105943139B (en) | 2016-06-13 | 2016-06-13 | A kind of Portable puller of orthopaedics |
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| Publication Number | Publication Date |
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| CN105943139A true CN105943139A (en) | 2016-09-21 |
| CN105943139B CN105943139B (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610410792.9A Active CN105943139B (en) | 2016-06-13 | 2016-06-13 | A kind of Portable puller of orthopaedics |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236535A (en) * | 2018-01-14 | 2018-07-03 | 陈晓盛 | Medical orthopedic orthopedic equipment |
| CN109259837A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel rope sheave Limb lengthening device |
| CN109259836A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside belt pulley Limb lengthening device |
| CN109276299A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of belt sheave Limb lengthening device |
| 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 |
| CN109771117A (en) * | 2019-03-01 | 2019-05-21 | 上海电气集团股份有限公司 | Bone distraction device |
| CN111772821A (en) * | 2020-07-23 | 2020-10-16 | 川北医学院附属医院 | Orthopedics fixing forceps of restoreing of accurate location upper limbs wound |
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| CN2085659U (en) * | 1990-11-27 | 1991-10-02 | 武警部队吉林省总队医院 | Adjustable spring tractor |
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| CN203988550U (en) * | 2014-07-16 | 2014-12-10 | 王安平 | A kind of orthopedics tractor |
| CN105476705A (en) * | 2015-12-30 | 2016-04-13 | 夏周阳 | Convenient orthopedics tractor with adjustable angle |
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| CN109259837B (en) * | 2018-08-09 | 2021-01-01 | 盐城日升月恒智能科技有限公司 | Rope wheel bone extension fixture |
| 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 |
| CN109771117A (en) * | 2019-03-01 | 2019-05-21 | 上海电气集团股份有限公司 | Bone distraction device |
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| CN111772821A (en) * | 2020-07-23 | 2020-10-16 | 川北医学院附属医院 | Orthopedics fixing forceps of restoreing of accurate location upper limbs wound |
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Effective date of registration: 20200628 Address after: 100089 No. 28 Fuxing Road, Haidian District, Beijing PLA General Hospital Patentee after: Shi-Ming Yang Address before: 100853 Fuxing Road, Beijing, Haidian District, No. 28 Patentee before: Ji Xinran |