CN111904687B - Orthopedics draw gear with contained angle is adjustable and self-locking function - Google Patents
Orthopedics draw gear with contained angle is adjustable and self-locking function Download PDFInfo
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- CN111904687B CN111904687B CN202010949572.XA CN202010949572A CN111904687B CN 111904687 B CN111904687 B CN 111904687B CN 202010949572 A CN202010949572 A CN 202010949572A CN 111904687 B CN111904687 B CN 111904687B
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- 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
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
-
- 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
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
- A61F5/0111—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles
- A61F5/0116—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles for connecting the feet to each other or to fixed surroundings
-
- 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
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
- A61F5/0118—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the arms, hands or fingers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Nursing (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurosurgery (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides an orthopedic traction device with an adjustable included angle and a self-locking function, and relates to the technical field of medical treatment. This orthopedics draw gear with contained angle is adjustable and self-locking function, including the bed board, the right flank fixedly connected with head draw gear of bed board, the upper surface of bed board is provided with hand fixing device, the upper surface of bed board and the below that is located hand fixing device are provided with hand adjusting device, hand adjusting device's right flank is provided with hand draw gear, through being provided with hand adjusting device and shank adjusting device, can adjust the contained angle between human arm and the leg, is convenient for operate, carries out the auto-lock to its contained angle through fastening screw and regulation double-screw bolt simultaneously, and it is inconvenient to maintain the angle for a long time, is convenient for fix, through being provided with head draw gear, hand draw gear, shank draw gear to patient's omnidirectional drawing, the range of application is comparatively extensive.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to an orthopedic traction device with adjustable included angle and self-locking function.
Background
The traction is to utilize the principle of acting force and reacting force, and the external force generated by manipulation, instruments or electric devices acts on the spine or joints of four limbs of the human body to cause certain separation of tissues and proper stretching of soft tissues around the joints, thereby achieving the treatment purpose.
The existing orthopedic traction device utilizes traction force to correct and stretch bones to achieve the purpose of treatment, traction needs to be carried out on a patient in some orthopedic surgeries, the operation is convenient, time-consuming and labor-consuming work is brought to the operating doctor, the traction and reset effects cannot be guaranteed due to instability of force application of hands, and some surgeries need to be carried out by bending knees or bending arms.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an orthopedic traction device with an adjustable included angle and a self-locking function, and solves the problem that the angle of the traction device cannot be adjusted.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an orthopedics draw gear with contained angle is adjustable and self-locking function, includes the bed board, the right flank fixedly connected with head draw gear of bed board, the upper surface of bed board is provided with hand fixing device, the upper surface of bed board and the below that is located hand fixing device are provided with hand adjusting device, hand adjusting device's right flank is provided with hand draw gear, the upper surface of bed board and the right side that is located hand fixing device are provided with the fixed band, the one end fixedly connected with buckle of bed board is kept away from to the fixed band, the upper surface of bed board and the right side fixedly connected with shank fixing device that is located the fixed band, shank fixing device's right side is provided with shank draw gear, the upper surface of bed board and the below that is located shank fixing device are provided with shank adjusting device.
Preferably, the head traction device comprises a first supporting plate, a first cylinder is fixedly connected to the upper surface of the first supporting plate, a first telescopic rod is fixedly connected to the output end of the first cylinder, a traction belt is fixedly connected to one end, far away from the first cylinder, of the first telescopic rod, a guide plate is arranged on the right side, located on the first cylinder, of the upper surface of the first supporting plate, and the side surface of the first telescopic rod is movably connected with the guide plate.
Preferably, the hand fixing device comprises an upper arm fixing plate, the rear side face of the upper arm fixing plate is fixedly connected with an arm fixing ring, the front side face of the upper arm fixing plate is movably connected with a small arm fixing plate, the rear side face of the small arm fixing plate is fixedly connected with a traction ring, and the upper arm fixing plate is fixedly connected with the bed plate.
Preferably, the hand adjusting device comprises a first groove, a first sliding block is movably connected inside the first groove, a connecting sheet is fixedly connected to the outer surface of the first sliding block, a fastening screw is arranged inside the connecting sheet, the first groove is located on the surface of the bed plate, and the first sliding block is fixedly connected with one end, away from the upper arm fixing plate, of the forearm fixing plate.
Preferably, the hand traction device comprises a second support plate, the upper surface of the second support plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a lead screw, the outer surface of the lead screw is movably connected with a lead screw nut, the side surface of the lead screw nut is fixedly connected with the traction ring, and the second support plate is fixedly connected with the first sliding block
Preferably, the leg fixing device comprises a fixing block, the upper surface of the fixing block is movably connected with a thigh fixing plate, the upper surface of the thigh fixing plate is fixedly connected with a thigh fixing ring, one end, away from the fixing block, of the thigh fixing plate is movably connected with a shank fixing plate, the upper surface of the shank fixing plate is movably connected with a foot fixing plate, the left side surface of the foot fixing plate is fixedly connected with a fixing strip, and the fixing block is fixedly connected with the bed board.
Preferably, the leg traction device comprises a third support plate, a second cylinder is fixedly connected to the upper surface of the third support plate, a second telescopic rod is fixedly connected to the output end of the second cylinder, one end, far away from the second cylinder, of the second telescopic rod is fixedly connected with the foot fixing plate, and the third support plate is fixedly connected with the shank fixing plate.
Preferably, the leg adjusting device comprises a second groove, a second sliding block is movably connected inside the second groove, an adjusting stud is movably connected to the right side of the second sliding block, the second sliding block is movably connected with a third supporting plate, and the second groove is located on the upper surface of the bed board.
The working principle is as follows: the invention is used in cooperation with an operating table, the bed plate 1 is placed on the operating table, four limbs of a patient are fixed by the hand fixing device 3 and the leg fixing device 8 of the patient, the waist of the patient is fixed on the bed plate 1 by the fixing band 6 and the buckle 7, when an operation is performed, the arm or the leg of the patient can be conveniently adjusted to a proper position through the hand adjusting device 4 or the leg adjusting device 10, the traction is convenient to perform the operation, and meanwhile, the device is laid flat and can be used as a normal traction device to appropriately stretch the spine and the joints of the four limbs of the human body to adjust.
(III) advantageous effects
The invention provides an orthopedic traction device with an adjustable included angle and a self-locking function. The method has the following beneficial effects:
1. the invention can adjust the included angle between the arms and the legs of the human body by arranging the hand adjusting device and the leg adjusting device, is convenient for performing the operation, and can self-lock the included angle by the fastening screw and the adjusting stud, thereby being inconvenient to maintain the angle for a long time and being convenient for fixing.
2. The invention has wide application range by providing the head traction device, the hand traction device and the leg traction device to carry out all-around traction on the patient.
3. When the leg traction device is used for surgery, the bending angle can be used for surgery, the leg fixing device and the hand adjusting device can be adjusted to be straight, the traction work of common patients is facilitated, the practicability is high, and the application range is wide.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at C according to the present invention.
Wherein, 1, a bed board; 2. a head traction device; 201. a first support plate; 202. a first cylinder; 203. a first telescopic rod; 204. a traction belt; 205. a guide plate; 3. a hand fixing device; 301. an upper arm fixing plate; 302. an arm fixing ring; 303. a small arm fixing plate; 304. a traction ring; 4. a hand adjusting device; 401. a first groove; 402. a first slider; 403. connecting sheets; 404. fastening screws; 5. a hand traction device; 501. a motor; 502. a lead screw; 503. a lead screw nut; 504. a second support plate; 6. fixing the belt; 7. buckling; 8. a leg fixing device; 801. a thigh fixing plate; 802. a shank fixing plate; 803. a foot fixing plate; 804. a fixing strip; 805. a thigh securing ring; 806. a fixed block; 9. a leg traction device; 901. a third support plate; 902. a second cylinder; 903. a second telescopic rod; 10. a leg adjustment device; 1001. a second groove; 1002. a second slider; 1003. and adjusting the stud.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows:
as shown in fig. 1-5, the embodiment of the invention provides an orthopedic traction device with an adjustable included angle and a self-locking function, which comprises a bed plate 1 and a convenient installation device, wherein a head traction device 2 is fixedly connected to the right side surface of the bed plate 1 for traction of cervical vertebrae, a hand fixing device 3 is arranged on the upper surface of the bed plate 1 for fixing the position of arms, a hand adjusting device 4 is arranged on the upper surface of the bed plate 1 and below the hand fixing device 3 for adjusting the included angle of arms, a hand traction device 5 is arranged on the right side surface of the hand adjusting device 4 for traction of arms, a fixing belt 6 is arranged on the upper surface of the bed plate 1 and on the right side of the hand fixing device 3 for fixing the position of waist, a buckle 7 is fixedly connected to one end of the fixing belt 6 far away from the bed plate 1, a leg fixing device 8 is fixedly connected to the upper surface of the bed plate 1 and on the right side of the fixing belt 6, the leg is fixed, a leg traction device 9 is arranged on the right side of the leg fixing device 8 and used for traction of the leg, and a leg adjusting device 10 is arranged on the upper surface of the bed plate 1 and below the leg fixing device 8 and used for adjusting leg included angles.
The hand fixing device 3 comprises an upper arm fixing plate 301, an arm fixing ring 302 is fixedly connected to the rear side face of the upper arm fixing plate 301, the positions of an arm and the fixing plate are fixed, a forearm fixing plate 303 is movably connected to the front side face of the upper arm fixing plate 301, the forearm is fixed, a traction ring 304 is fixedly connected to the rear side face of the forearm fixing plate 303 for traction, and the upper arm fixing plate 301 is fixedly connected with the bed plate 1.
The hand adjusting device 4 comprises a first groove 401, a first sliding block 402 is movably connected inside the first groove 401, a connecting sheet 403 is fixedly connected to the outer surface of the first sliding block 402, a fastening screw 404 is arranged inside the connecting sheet 403, the position of the forearm fixing plate 303 is fixed, the position of the first groove 401 is located on the surface of the bed plate 1, and the first sliding block 402 is fixedly connected with one end, away from the upper arm fixing plate 301, of the forearm fixing plate 303.
The hand traction device 5 comprises a second support plate 504, a motor 501 is fixedly connected to the upper surface of the second support plate 504 and provides traction force, a lead screw 502 is fixedly connected to the output end of the motor 501, a lead screw nut 503 is movably connected to the outer surface of the lead screw 502 and is converted into movement, the side surface of the lead screw nut 503 is fixedly connected with the traction ring 304, and the second support plate 504 is fixedly connected with the first sliding block 402.
The leg fixing device 8 comprises a fixing block 806, the upper surface of the fixing block 806 is movably connected with a thigh fixing plate 801, the upper surface of the thigh fixing plate 801 is fixedly connected with a thigh fixing ring 805, a thigh is fixed, one end, far away from the fixing block 806, of the thigh fixing plate 801 is movably connected with a shank fixing plate 802, a shank is fixed, the upper surface of the shank fixing plate 802 is movably connected with a foot fixing plate 803, the foot is fixed and pulled, the left side surface of the foot fixing plate 803 is fixedly connected with a fixing strip 804, the position of the foot is fixed, and the fixing block 806 is fixedly connected with the bed board 1.
The leg adjusting device 10 comprises a second groove 1001, a second sliding block 1002 is movably connected inside the second groove 1001, an adjusting stud 1003 is movably connected to the right side of the second sliding block 1002, the position of the second sliding block 1002 is fixed, the leg included angle is fixed, the second sliding block 1002 is movably connected with a third supporting plate 901, and the position of the second groove 1001 is located on the upper surface of the bed board 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an orthopedics draw gear with contained angle is adjustable and self-locking function, includes bed board (1), its characterized in that: the right side surface of the bed plate (1) is fixedly connected with a head traction device (2), the upper surface of the bed plate (1) is provided with a hand fixing device (3), a hand adjusting device (4) is arranged on the upper surface of the bed plate (1) and below the hand fixing device (3), a hand traction device (5) is arranged on the right side surface of the hand adjusting device (4), a fixing belt (6) is arranged on the upper surface of the bed plate (1) and positioned at the right side of the hand fixing device (3), one end of the fixing belt (6) far away from the bed plate (1) is fixedly connected with a buckle (7), a leg fixing device (8) is fixedly connected on the upper surface of the bed plate (1) and positioned at the right side of the fixing belt (6), a leg traction device (9) is arranged on the right side of the leg fixing device (8), a leg adjusting device (10) is arranged on the upper surface of the bed plate (1) and below the leg fixing device (8);
hand adjusting device (4) include first recess (401), the inside swing joint of first recess (401) has first slider (402), the outer fixed surface of first slider (402) is connected with connection piece (403), the inside of connection piece (403) is provided with fastening screw (404), the position of first recess (401) is located the surface of bed board (1), the one end fixed connection of upper arm fixed plate (301) is kept away from with forearm fixed plate (303) in first slider (402).
2. An orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: head draw gear (2) include first backup pad (201), the last fixed surface of first backup pad (201) is connected with first cylinder (202), the first telescopic link (203) of output fixedly connected with of first cylinder (202), the one end fixedly connected with traction band (204) of first cylinder (202) are kept away from in first telescopic link (203), the upper surface of first backup pad (201) and the right side that is located first cylinder (202) are provided with deflector (205), the side surface and deflector (205) swing joint of first telescopic link (203).
3. An orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: hand fixing device (3) include upper arm fixed plate (301), the solid fixed ring of trailing flank fixedly connected with arm (302) of upper arm fixed plate (301), the leading flank swing joint of upper arm fixed plate (301) has forearm fixed plate (303), the trailing flank fixedly connected with of forearm fixed plate (303) pulls ring (304), upper arm fixed plate (301) and bed board (1) fixed connection.
4. The orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: hand draw gear (5) include second backup pad (504), the last fixed surface of second backup pad (504) is connected with motor (501), output fixedly connected with lead screw (502) of motor (501), the surface swing joint of lead screw (502) has lead screw nut (503), the side surface and the traction ring (304) fixed connection of lead screw nut (503), second backup pad (504) and first slider (402) fixed connection.
5. The orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: shank fixing device (8) are including fixed block (806), the upper surface swing joint of fixed block (806) has thigh fixed plate (801), the solid fixed ring of upper surface fixedly connected with thigh (805) of thigh fixed plate (801), the one end swing joint that fixed block (806) were kept away from in thigh fixed plate (801) has shank fixed plate (802), the upper surface swing joint of shank fixed plate (802) has foot fixed plate (803), the left surface fixedly connected with fixed strip (804) of foot fixed plate (803), fixed block (806) and bed board (1) fixed connection.
6. An orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: the leg traction device (9) comprises a third supporting plate (901), a second air cylinder (902) is fixedly connected to the upper surface of the third supporting plate (901), a second telescopic rod (903) is fixedly connected to the output end of the second air cylinder (902), one end, far away from the second air cylinder (902), of the second telescopic rod (903) is fixedly connected with a foot fixing plate (803), and the third supporting plate (901) is fixedly connected with a shank fixing plate (802).
7. An orthopedic traction device with adjustable included angle and self-locking function according to claim 1, characterized in that: the leg adjusting device (10) comprises a second groove (1001), a second sliding block (1002) is movably connected inside the second groove (1001), an adjusting stud (1003) is movably connected to the right side of the second sliding block (1002), the second sliding block (1002) is movably connected with a third supporting plate (901), and the second groove (1001) is located on the upper surface of the bed plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949572.XA CN111904687B (en) | 2020-09-10 | 2020-09-10 | Orthopedics draw gear with contained angle is adjustable and self-locking function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010949572.XA CN111904687B (en) | 2020-09-10 | 2020-09-10 | Orthopedics draw gear with contained angle is adjustable and self-locking function |
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| CN111904687A CN111904687A (en) | 2020-11-10 |
| CN111904687B true CN111904687B (en) | 2022-08-30 |
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| CN112587255A (en) * | 2020-12-17 | 2021-04-02 | 南通鑫浩信息科技有限公司 | Device for assisting in collecting blood gas |
| CN112603731A (en) * | 2020-12-17 | 2021-04-06 | 南通大学附属医院 | Radial artery and femoral artery blood sampling auxiliary device for hemiplegic patient |
| CN113018085B (en) * | 2021-02-03 | 2021-12-07 | 奉节县人民医院 | Internet-based height shoulder detection and correction device for orthopedics department |
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|---|---|---|---|---|
| CN208525153U (en) * | 2017-10-19 | 2019-02-22 | 张妍 | A kind of orthopaedics lower limb traction device with clamping function |
| CN108652805A (en) * | 2018-03-29 | 2018-10-16 | 赵鑫 | A kind of Orthopedic Clinical hitch frame |
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| Publication number | Publication date |
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| CN111904687A (en) | 2020-11-10 |
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