CN110353872A - A kind of department of general surgery adjusting drag rack convenient to use - Google Patents
A kind of department of general surgery adjusting drag rack convenient to use Download PDFInfo
- Publication number
- CN110353872A CN110353872A CN201910802665.7A CN201910802665A CN110353872A CN 110353872 A CN110353872 A CN 110353872A CN 201910802665 A CN201910802665 A CN 201910802665A CN 110353872 A CN110353872 A CN 110353872A
- Authority
- CN
- China
- Prior art keywords
- traction
- rack
- seat
- adjusting
- traction rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of department of general surgery adjusting drag racks convenient to use, including rack and traction unit, the bottom of the frame upper surface is equipped with seat, the traction unit includes traction piece, first traction rope, it puts the volume of the first traction rope for rolling up and puts component, mobile pulley and adjusting component for adjusting mobile pulley position, it includes reel and crank handle that volume, which puts component, the adjusting component includes pedal crank structure, Bevel Gear Transmission structure, screw rod and movable block, the application is equipped with traction unit, after traction piece is connect with human body, reel is rotated by crank handle, facilitate and is drawn, pedal crank structure is driven by foot, pedal crank structure drives screw rod rotation by bevel gear transmission, screw rod drives mobile pulley to move horizontally by movable block, so as to adjust the traction angle of traction rope, into one Step, can one by hand and foot synchronous matching, quickly adjust to the traction state of the most comfortable, it is easy to operate, it is convenient and practical.
Description
Technical field
The present invention relates to department of general surgery's equipment technical field, the adjustable traction convenient to use of specifically a kind of department of general surgery
Frame.
Background technique
Cervical traction is the main means of General surgical treatment cervical spondylosis.Because effective traction can release nerve, blood vessel, ridge
The compressing of marrow, and rapid recovery cervical vertebra disease symptoms.Cervical traction mainly releases musculi colli spasm, relieves pain symptom, increases
Big intervertenral space and intervertebral foramen, the nucleus pulposus and fibrous annulus tissue for being conducive to evagination reset, and alleviate and release root compression and thorn
Swash, promote nerve root absorption of edema, releases the compressing to vertebral artery, promote blood circulation, be conducive to local extravasated blood swelling and increasing
Raw recession, relaxes the joint capsule of adhesion, improves and restores uncovertebral joint, the dislocation of adjustment Minor articulus and centrum olisthe, adjust and extensive
Multiple disrupted cervical vertebra internal and external equilibrium, restores the normal function of cervical vertebra.
Currently, the hitch frame of department of general surgery, has a single function, it is merely able to be drawn, traction angle, Er Qiecao can not be adjusted
It is inconvenient to make, and cannot just draw side and be adjusted, others is needed to cooperate.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of department of general surgery adjusting drag rack convenient to use, on solving
State problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of department of general surgery adjusting drag rack convenient to use, including rack and traction unit, the bottom of the frame upper surface
Seat is installed, the traction unit includes traction piece, the first traction rope, for rolling up puts the volume of the first traction rope and put component, move
Movable pulley and adjusting component for adjusting mobile pulley position, the volume put component and are installed on seat front end, and volume puts component packet
Reel and crank handle are included, the crank handle is rotatablely installed by mounting plate on seat, and reel is installed on hand song
On handle, for the first traction rope coiling on reel, the mobile pulley is installed on frame top, and first traction rope one end is successively worn
It crosses multiple fixed pulleys and mobile pulley and is connect with traction piece system, the adjusting component includes pedal crank structure, Bevel Gear Transmission
Structure, screw rod and movable block, the pedal crank structure are installed on bottom of the frame upper surface, and the screw rod, which horizontally rotates, to be installed on
Frame top, the pedal crank structure are drivingly connected screw rod by bevel gear transmission, are threaded on the screw rod
Movable block, the movable block are slidably connected with frame top, and the mobile pulley is fixedly installed in movable block bottom.
In a kind of optinal plan: the bottom of the frame installation symmetrically has idler wheel, and the idler wheel is self-locking idler wheel.
In a kind of optinal plan: backrest being installed on the seat.
In a kind of optinal plan: the backrest and seat are hinged, and the back side of backrest is hinged with manual telescopic bar, stretch manually
The contracting bar other end and seat are hinged.
In a kind of optinal plan: the seat bottom and rack determine cunning far from being mounted on the side wall of reel
Wheel.
In a kind of optinal plan: the frame top offers the sliding slot for movable block movement.
In a kind of optinal plan: further including having positioning mechanism, the positioning mechanism includes ratchet, pawl, the first compression
Spring, the second traction rope, pedal and the second compressed spring, the ratchet are installed in crank handle and are located at reel side,
It is located on the seat of seat below the ratchet and is hinged with pawl, pawl is engaged with ratchet, is connected between seat in the middle part of pawl
There is the first compressed spring, is to be connected to the second traction rope on the pawl, the pedal is hingedly installed on bottom of the frame upper surface, steps on
The second compressed spring, the second traction rope other end pedal top system are connected between plate lower surface and bottom of the frame upper surface
It connects.
Compared to the prior art, the embodiment of the present invention has the beneficial effect that:
1. be equipped with traction unit, the traction unit includes traction piece, the first traction rope, for rolling up puts the volume of the first traction rope and put
Component, mobile pulley and the adjusting component for adjusting mobile pulley position, it includes reel and crank handle, institute that volume, which puts component,
Stating and adjusting component includes pedal crank structure, Bevel Gear Transmission structure, screw rod and movable block, when traction piece to be connect with human body
Afterwards, reel is rotated by crank handle, reel rotates the first traction rope of folding and unfolding, and the first traction rope is to drive on traction piece
It rises or declines, facilitate and drawn, the cooperation limitation crank handle of ratchet and pawl rotates backward, and may then pass through foot driving
Pedal crank structure, pedal crank structure drive screw rod to rotate by bevel gear transmission, and screw rod is driven by movable block and moved
Movable pulley moves horizontally, so as to adjust the traction angle of traction rope, further, can one by hand and foot synchronous matching,
Quickly adjust to the traction state of the most comfortable, it is easy to operate, it is convenient and practical;
2. being equipped with positioning mechanism, the positioning mechanism includes ratchet, pawl, the first compressed spring, the second traction rope, pedal and the
The cooperation limitation crank handle of two compressed springs, ratchet and pawl rotates backward, and does not need manpower and helps crank handle always, solves
The both hands for putting people, after the completion of drawing work, by foot pedal, pedal rotates down to pull spine by the second traction rope
Pawl is detached from pawl and ratchet, so as to rotate backward crank handle, puts down traction piece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of first embodiment of the invention.
Fig. 2 is the three-dimensional figure that volume puts component in first embodiment of the invention.
Fig. 3 is the structural schematic diagram of second embodiment of the invention.
Fig. 4 is enlarged drawing at the A in Fig. 3.
Appended drawing reference annotation: 1- rack, 2- bevel gear transmission, 3- pedal crank structure, 4- fixed pulley, 5- coiling
Wheel, 6- crank handle, 7- seat, 8- backrest, 9- manual telescopic bar, 10- traction piece, the first traction rope of 11-, 12- mobile pulley,
13- movable block, 14- screw rod, 15- idler wheel, 16- ratchet, 17- pawl, the first compressed spring of 18-, the second traction rope of 19-, 20- are stepped on
Plate, the second compressed spring of 21-.
Specific embodiment
Following embodiment can be described in detail the present invention in conjunction with attached drawing, in attached drawing or explanation, similar or identical part
Using identical label, and in practical applications, shape, thickness or the height of each component can be expanded or shunk.Institute of the present invention
Each embodiment enumerated is only to illustrate the present invention, is not used to limit the scope of the present invention.It is made for the present invention any aobvious
And modification easy to know or change are without departure from spirit and scope of the invention.
Embodiment 1
Please refer to Fig. 1~2, in the embodiment of the present invention, a kind of department of general surgery adjusting drag rack convenient to use, including rack 1
And traction unit, 1 bottom of the rack installation symmetrically have idler wheel 15, the idler wheel 15 is self-locking idler wheel, facilitates device
Mobile, 1 upper base surface of rack is equipped with seat 7, is equipped with backrest 8 on the seat 7, the backrest 8 preferably with seat
Chair 7 is hinged, and the back side of backrest 8 is hinged with manual telescopic bar 9, and 9 other end of manual telescopic bar and seat 7 are hinged, by stretching manually
Contracting bar 9 can adjust the tilt angle of backrest 8, and to adapt to the demand of different people, the traction unit includes traction piece 10,
One traction rope 11 puts the volume of the first traction rope 11 and puts component, mobile pulley 12 and for adjusting 12 position of mobile pulley for rolling up
Adjusting component, the volume puts component and is installed on 7 front end of seat, and it includes reel 5 and crank handle 6, the hand that volume, which puts component,
It shakes crank 6 to be rotatablely installed by mounting plate on seat 7, reel 5 is installed in crank handle 6,11 coiling of the first traction rope
In on reel 5, the mobile pulley 12 is installed on 1 top of rack, and 11 one end of the first traction rope sequentially passes through multiple fixed pulleys 4
It connects with mobile pulley 12 and with 10 system of traction piece, is respectively mounted on 7 bottom of seat and side wall of the rack 1 far from reel 5
There is fixed pulley 4, in use, rotating reel 5 by crank handle 6, reel 5 rotates the first traction rope of folding and unfolding 11, and first leads
Messenger 11 facilitates and is drawn to driving traction piece 10 to rise or fall, the adjusting component include pedal crank structure 3,
Bevel Gear Transmission structure, screw rod 14 and movable block 13, the pedal crank structure 3 are installed on 1 upper base surface of rack, ride song
Handle structure 3 is identical as the pedal crank structure 3 of existing bicycle, and details are not described herein, and the screw rod 14, which horizontally rotates, to be installed on
1 top of rack, preferably by being rotatablely connected at the top of bearing and rack 1, the pedal crank structure 3 is passed screw rod 14 by bevel gear
Motivation structure 2 is drivingly connected screw rod 14, in the present embodiment, the preferred installation of the bevel gear transmission 2 in rack 1, bevel gear
Rotating mechanism includes multiple bevel gears and the installation axle for installing bevel gear, is threaded with movable block on the screw rod 14
13, the movable block 13 is connect with 1 top slide of rack, and the sliding slot moved for movable block 13, the shifting are offered at the top of rack 1
Movable pulley 12 is fixedly installed in 13 bottom of movable block, when in use, after connecting traction piece 10 with human body, can be driven by foot
Dynamic pedal crank structure 3, pedal crank structure 3 drive screw rod 14 to rotate by bevel gear transmission 2, and screw rod 14 passes through activity
Block 13 drives mobile pulley 12 to move horizontally, so as to adjust the traction angle of traction rope, to meet the traction angle tune of user
Whole demand, further, can one by hand and foot synchronous matching, quickly adjust to the traction state of the most comfortable, operation
Simply, convenient and practical.
Embodiment 2
Please refer to Fig. 3~4, the embodiment of the present invention difference from example 1 is that, further, in order to adjust to most
After comfortable traction state, does not need manpower and help crank handle 6 always, liberate the both hands of people, further include having positioning mechanism, it is described
Positioning mechanism includes ratchet 16, pawl 17, the first compressed spring 18, the second traction rope 19, pedal 20 and the second compressed spring 21,
The ratchet 16 is installed in crank handle 6 and is located at 5 side of reel, is located on the seat of seat 7 below the ratchet 16
It is hinged with pawl 17, pawl 17 is engaged with ratchet 16, it is connected with the first compressed spring 18 between 17 middle part of pawl and seat 7, the
The compressed spring of one compressed spring 18 is against pawl 17 always on ratchet 16 to engage with ratchet 16, be to be connected on the pawl 17
Second traction rope 19, the pedal 20 are hingedly installed on 1 upper base surface of rack, table on 20 lower surface of pedal and 1 bottom of rack
The second compressed spring 21 is connected between face, 19 other end pedal of the second traction rope, the 20 top system connects, ratchet 16 and pawl
17 cooperation limitation crank handle 6 rotates backward, and after the completion of drawing work, by foot pedal 20, pedal 20 is rotated down
To pull pawl 17 by the second traction rope 19, it is detached from pawl 17 and ratchet 16, so as to rotate backward crank handle
6, put down traction piece 10.
The working principle of the invention is: in the use of the present invention, passing through hand song after connecting traction piece 10 with human body
Handle 6 rotates reel 5, and reel 5 rotates the first traction rope of folding and unfolding 11, the first traction rope 11 to drive traction piece 10 rise or
Decline, facilitates and is drawn, and ratchet 16 and the cooperation limitation crank handle 6 of pawl 17 rotate backward, and may then pass through foot drive
Dynamic pedal crank structure 3, pedal crank structure 3 drive screw rod 14 to rotate by bevel gear transmission 2, and screw rod 14 passes through activity
Block 13 drives mobile pulley 12 to move horizontally, so as to adjust the traction angle of traction rope, to meet the traction angle tune of user
Whole demand, further, can one by hand and foot synchronous matching, quickly adjust to the traction state of the most comfortable, operation
Simply, convenient and practical, after the completion of drawing work, by foot pedal 20, pedal 20 is rotated down to by the second traction
Rope 19 pulls pawl 17, is detached from pawl 17 and ratchet 16, so as to rotate backward crank handle 6, puts down traction piece 10.
The above, the only specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the disclosure discloses, and should all contain
It covers within the protection scope of the disclosure.Therefore, the protection scope of the disclosure should be subject to the protection scope in claims.
Claims (7)
1. a kind of department of general surgery adjusting drag rack convenient to use, including rack (1) and traction unit, which is characterized in that institute
It states rack (1) upper base surface to be equipped with seat (7), the traction unit includes traction piece (10), the first traction rope (11), uses
Component, mobile pulley (12) and adjusting group for adjusting mobile pulley (12) position are put in the volume that volume puts the first traction rope (11)
Part, the volume put component and are installed on seat (7) front end, and it includes reel (5) and crank handle (6) that volume, which puts component, described hand
Crank (6) is rotatablely installed by mounting plate on seat (7), and reel (5) is installed on crank handle (6), the first traction rope
(11) on reel (5), the mobile pulley (12) is installed at the top of rack (1) coiling, the first traction rope (11) one end according to
It is secondary to pass through multiple fixed pulleys (4) and mobile pulley (12) and connect with traction piece (10) system;
The adjusting component includes pedal crank structure (3), Bevel Gear Transmission structure, screw rod (14) and movable block (13), described
Pedal crank structure (3) is installed on rack (1) upper base surface, and the screw rod (14), which horizontally rotates, to be installed at the top of rack (1),
The pedal crank structure (3) is drivingly connected screw rod (14) by bevel gear transmission (2), and screw thread connects on the screw rod (14)
It is connected to movable block (13), the movable block (13) connect with rack (1) top slide, and the mobile pulley (12) is fixedly installed in
Movable block (13) bottom.
2. department of general surgery according to claim 1 adjusting drag rack convenient to use, which is characterized in that the rack
(1) bottom installation symmetrically has idler wheel (15), and the idler wheel (15) is self-locking idler wheel.
3. department of general surgery according to claim 1 adjusting drag rack convenient to use, which is characterized in that the seat
(7) backrest (8) are installed on.
4. department of general surgery according to claim 3 adjusting drag rack convenient to use, which is characterized in that the backrest
(8) hingedly with seat (7), the back side of backrest (8) is hinged with manual telescopic bar (9), manual telescopic bar (9) other end and seat
(7) hinged.
5. department of general surgery according to claim 1 adjusting drag rack convenient to use, which is characterized in that the seat
(7) fixed pulley (4) are mounted on the side wall of bottom and rack (1) separate reel (5).
6. department of general surgery according to claim 1 adjusting drag rack convenient to use, which is characterized in that the rack
(1) top offers the sliding slot for movable block (13) movement.
7. -6 any department of general surgery adjusting drag rack convenient to use according to claim 1, which is characterized in that also wrap
Positioning mechanism is included, the positioning mechanism includes ratchet (16), pawl (17), the first compressed spring (18), the second traction rope
(19), pedal (20) and the second compressed spring (21), the ratchet (16) are installed on crank handle (6) and are located at reel
(5) side, ratchet (16) lower section, which is located on the seat of seat (7), to be hinged with pawl (17), pawl (17) and ratchet (16)
Engagement is connected with the first compressed spring (18) between pawl (17) middle part and seat (7), is to be connected to second on the pawl (17)
Traction rope (19), the pedal (20) are hingedly installed on rack (1) upper base surface, pedal (20) lower surface and rack (1) bottom
It is connected between portion upper surface the second compressed spring (21), the second traction rope (19) other end pedal (20) top system connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910802665.7A CN110353872A (en) | 2019-08-28 | 2019-08-28 | A kind of department of general surgery adjusting drag rack convenient to use |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910802665.7A CN110353872A (en) | 2019-08-28 | 2019-08-28 | A kind of department of general surgery adjusting drag rack convenient to use |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110353872A true CN110353872A (en) | 2019-10-22 |
Family
ID=68225508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910802665.7A Withdrawn CN110353872A (en) | 2019-08-28 | 2019-08-28 | A kind of department of general surgery adjusting drag rack convenient to use |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110353872A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111631902A (en) * | 2020-05-12 | 2020-09-08 | 卢兴平 | Neck traction equipment that patient can use by oneself |
CN111803323A (en) * | 2020-06-12 | 2020-10-23 | 武汉玖德康科技有限公司 | Cervical vertebra traction rehabilitation therapeutic apparatus |
CN112022627A (en) * | 2020-09-22 | 2020-12-04 | 清远市族原生物科技有限公司 | Horizontal postpartum rehabilitation equipment |
CN112603753A (en) * | 2020-11-30 | 2021-04-06 | 中国人民解放军陆军军医大学第一附属医院 | Rehabilitation training device for upper limb fracture |
CN112998926A (en) * | 2021-02-22 | 2021-06-22 | 四川省人民医院 | A adjunctie therapy device for cervical vertebra is painful |
CN113208795A (en) * | 2021-04-29 | 2021-08-06 | 沙日母 | Rehabilitation nursing department uses rehabilitation device |
CN113250434A (en) * | 2021-06-24 | 2021-08-13 | 安徽长青建筑制品有限公司 | Multifunctional composite scaffold system |
-
2019
- 2019-08-28 CN CN201910802665.7A patent/CN110353872A/en not_active Withdrawn
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111631902A (en) * | 2020-05-12 | 2020-09-08 | 卢兴平 | Neck traction equipment that patient can use by oneself |
CN111631902B (en) * | 2020-05-12 | 2022-05-31 | 卢兴平 | Neck traction equipment for patient to use by oneself |
CN111803323A (en) * | 2020-06-12 | 2020-10-23 | 武汉玖德康科技有限公司 | Cervical vertebra traction rehabilitation therapeutic apparatus |
CN112022627A (en) * | 2020-09-22 | 2020-12-04 | 清远市族原生物科技有限公司 | Horizontal postpartum rehabilitation equipment |
CN112603753A (en) * | 2020-11-30 | 2021-04-06 | 中国人民解放军陆军军医大学第一附属医院 | Rehabilitation training device for upper limb fracture |
CN112603753B (en) * | 2020-11-30 | 2022-04-19 | 中国人民解放军陆军军医大学第一附属医院 | Rehabilitation training device for upper limb fracture |
CN112998926A (en) * | 2021-02-22 | 2021-06-22 | 四川省人民医院 | A adjunctie therapy device for cervical vertebra is painful |
CN112998926B (en) * | 2021-02-22 | 2023-05-09 | 四川省人民医院 | A auxiliary treatment device for cervical vertebra pain |
CN113208795A (en) * | 2021-04-29 | 2021-08-06 | 沙日母 | Rehabilitation nursing department uses rehabilitation device |
CN113208795B (en) * | 2021-04-29 | 2022-11-18 | 北京亿家老小科技有限公司 | Rehabilitation nursing department uses rehabilitation device |
CN113250434A (en) * | 2021-06-24 | 2021-08-13 | 安徽长青建筑制品有限公司 | Multifunctional composite scaffold system |
CN113250434B (en) * | 2021-06-24 | 2022-09-09 | 安徽长青建筑制品有限公司 | Multifunctional composite scaffold system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110353872A (en) | A kind of department of general surgery adjusting drag rack convenient to use | |
CN107788987B (en) | A kind of nuclear magnetic resonance check fixing device | |
CN208239731U (en) | A kind of Medical Imaging Department sight sheet devices automatically adjusting angle | |
CN112294516B (en) | Traditional Chinese medicine orthopedics lumbar traction device | |
CN208640787U (en) | A kind of goitre retractor | |
CN111685920A (en) | Lumbar disc herniation traction device | |
CN215131091U (en) | Traction device for orthopedic rehabilitation | |
CN208114684U (en) | A kind of comfortable cervical spine tractor of fixing-stable | |
CN213642973U (en) | Human leg stretching exercise mechanism for medical rehabilitation | |
CN109498238B (en) | Orthopedic nursing traction support device | |
CN211534372U (en) | Traditional chinese medical science internal medicine diagnosis detects care apparatus | |
CN209808680U (en) | Cervical vertebra traction device | |
CN213552725U (en) | Cervical vertebra rehabilitation fixing device | |
CN109893363A (en) | One kind washing kidney human body auxiliary balance equipment | |
CN215019905U (en) | Cervical vertebra traction support for orthopedic nursing | |
CN211023357U (en) | Adjusting device for treating cervical vertebra diseases and cervical vertebra traction chair applying adjusting device | |
CN212466522U (en) | Back connecting device for lower limb rehabilitation robot | |
CN213758813U (en) | Portable spinal surgery position frame | |
CN206642058U (en) | Spine correcting bed | |
CN221383961U (en) | Functional traction net rack for rehabilitation medicine department | |
CN111528822A (en) | High-risk puerpera blood pressure monitoring and diagnosing device | |
CN216455136U (en) | Rib retractor for thoracic surgeon | |
CN110811953A (en) | Adjusting device for treating cervical vertebra diseases and cervical vertebra traction chair applying adjusting device | |
CN215606649U (en) | Multi-angle spinal traction device | |
CN215914719U (en) | Retractor device for neurosurgery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191022 |