CN113230078A - Patient head fixing device in cervical vertebra operation - Google Patents
Patient head fixing device in cervical vertebra operation Download PDFInfo
- Publication number
- CN113230078A CN113230078A CN202110648484.0A CN202110648484A CN113230078A CN 113230078 A CN113230078 A CN 113230078A CN 202110648484 A CN202110648484 A CN 202110648484A CN 113230078 A CN113230078 A CN 113230078A
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- head
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- shaped cross
- pin shaft
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/121—Head or neck
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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
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/32—Specific positions of the patient lying
- A61G2200/325—Specific positions of the patient lying prone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Neurosurgery (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Otolaryngology (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a patient head fixing device in cervical vertebra operation, which comprises a head supporting pad arranged on the head of an operating bed, wherein the outer end part of the head supporting pad is fixedly connected with a head fixing structure through a connecting plate; the head fixing structure is composed of a plurality of arc-shaped cross arms arranged in a cross mode and a supporting slide rail, the end portions of two adjacent arc-shaped cross arms are connected in a rotating mode through a first connecting ring, and the middle portions of the two adjacent arc-shaped cross arms are connected in a rotating mode through a second connecting ring; the arc-shaped cross arms are arranged on the supporting slide rails, and a driving structure for driving the plurality of arc-shaped cross arms to extend or contract in a cross mode is arranged on the outer sides of the supporting slide rails; any one second connecting ring is provided with a fixing structure which is contacted with the head of the patient, any one first connecting ring is provided with a clamping structure in a penetrating way, and hemostatic cotton is clamped among the clamping structures. This application is to the condition of crouching at the operation table that needs lie prone in patient's cervical vertebra operation, and is fixed patient's head through the diversified fixed knot structure of annular.
Description
Technical Field
The invention relates to the technical field of cervical vertebra operation equipment, in particular to a patient head fixing device in cervical vertebra operation.
Background
With the change of life style, the number of people who work for long time at low head and over desk is increased, the disease rate of cervical spondylosis is increasing in recent years, and the disease age is in a trend of being younger.
In the treatment of cervical spondylosis, the early conservative treatment can be realized by introducing blocking, radio frequency, ozone and other technologies through X-ray or CT guidance, so that the local intervention is performed on the nerve root compression position, the edema and inflammation of the nerve root are relieved, the symptoms caused by the nerve root compression are further relieved, and the cervical spondylosis treatment instrument has the function of accurately diagnosing the disease responsibility segment of a cervical spondylosis patient. In the later-stage cervical vertebra endoscopic surgery, patients need to be matched with the operation of local anesthesia, the operations have higher requirements on the compliance and physical strength of the patients, and particularly, the operation risk is higher when the puncture needle is accessed from the side and the front side and is close to vertebral artery and spinal cord. The patient needs to lie on the stomach or on the side to keep the posture for nearly one hour, and the head cannot swing greatly, so that a patient head fixing device in the cervical vertebra operation is provided for solving the problems.
Disclosure of Invention
The present invention is directed to a head fixing device for patients during cervical spine surgery to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a patient head fixing device in cervical vertebra operation comprises a head supporting pad arranged on the head of an operating table, wherein a placing groove used for supporting the face of a patient is formed in the head supporting pad;
the outer end part of the head supporting pad is fixedly connected with a head fixing structure through a connecting plate;
the head fixing structure is composed of a circumferential fixing piece and a supporting slide rail, the circumferential fixing piece is composed of a plurality of arc-shaped cross arms which are arranged in a crossed mode, the end portions of two adjacent crossed arc-shaped cross arms are rotatably connected through a first connecting ring, and the middle portions of the two adjacent crossed arc-shaped cross arms are rotatably connected through a second connecting ring;
the arc-shaped cross arms are arranged on the supporting slide rails, and a driving structure for driving the plurality of arc-shaped cross arms to extend or contract in a cross mode is arranged on the outer sides of the supporting slide rails;
any one second connecting ring is provided with a fixing structure contacted with the head of the patient, and the pressure value of the contact part of any one fixing structure and the head of the patient is adjustable;
all run through on arbitrary one first connector ring and install clamping structure, it is a plurality of it has the multilayer hemostatic cotton to be the hoop centre gripping between the clamping structure.
Preferably, the first connecting ring and the second connecting ring are both used for movably connecting adjacent arc-shaped cross arms, and a through hole is formed in the middle of the first connecting ring and the second connecting ring.
Preferably, the arc-shaped cross arms are arc-shaped plate structures which are convexly bent towards the outer side.
Preferably, the middle parts of the second connecting rings are all connected with pin shafts in a penetrating mode, the pin shafts are divided into a fixed pin shaft, a driving pin shaft and a plurality of movable pin shafts, the fixed pin shaft is located on one of the second connecting rings in the middle, the fixed pin shaft is fixedly connected with the supporting slide rail, one of the second connecting rings adjacent to the fixed pin shaft is the driving pin shaft, and the driving pin shaft penetrates through the second connecting rings and is in sliding clamping connection with a dovetail sliding groove formed in the inner side face of the supporting slide rail.
Preferably, the supporting slide rail lateral surface sets up the drive groove of a cross-section rectangle, communicate through leading to the groove between drive groove and the forked tail spout, drive structure includes gear motor and installs the gear at the gear motor drive end, the gear meshes with the arc rack of installing at the drive groove bottom, rotate through the connecting axle between gear and the drive pin shaft tip and be connected, and the connecting axle activity is located logical inslot.
Preferably, the fixed structure is installed at the outer side end of the driving pin shaft, the fixed structure comprises an automatic telescopic piece and a fixed disc installed at the driving end of the automatic telescopic piece, and a pressure sensor is arranged at the center of the fixed disc.
Preferably, the two ends of the dovetail sliding groove are provided with opening structures, the end part of the inner side of the movable pin shaft is provided with a conical structure, and the conical structure of the movable pin shaft can slide into the dovetail sliding groove from the opening.
Preferably, the clamping structure includes the hollow shaft of being connected with first connecting ring inner circle, a loose axle is run through in the hollow shaft internalization, one side of loose axle is connected with the arc holder, the arc holder is towards patient's head, and is the hoop centre gripping on the arc holder and hold hemostatic cotton, the end cover is installed to the opposite side of loose axle, is located the inside loose axle of hollow shaft and has cup jointed the spring, the both ends of spring respectively with hollow shaft and loose axle rigid coupling.
Compared with the prior art, the invention has the beneficial effects that:
this application needs lie prone in the condition of operating table to patient's cervical vertebra operation in, fix patient's head through the annular is diversified, play the effect of stabilizing the support.
The arc-shaped cross arms matched with the head are arc-shaped plate structures which are convexly bent outwards and are used for adapting to the curvature of the head of the patient;
utilize gear motor drive gear reciprocating motion on the rack, and then drive the motion of drive pin axle in the forked tail spout: when the driving pin shaft is far away from the fixed pin shaft, the plurality of arc-shaped cross arms are extended in a crossed manner, the head of the patient is covered in a spherical space formed by the arc-shaped cross arms, and the head of the patient is convenient to fix subsequently; when the driving pin shaft is close to the fixed pin shaft, the plurality of arc-shaped cross arms are crossed and contracted, and the arc-shaped cross arms are moved away from the head of the patient, so that the head is fixed quickly and conveniently;
the pressure sensor is arranged in the center of the fixed disc, detects pressure data of the fixed disc contacting with the head of a patient, transmits signals to the controller, and controls the expansion and contraction of the automatic telescopic piece through a set program, so that the pressure value reaches an appointed value, and the pressure value of the contact part of each independent fixed structure and the head of the patient is adjustable;
the hemostatic cotton with multiple layers is clamped between the clamping structures in an annular manner, so that the hemostatic cotton can be replaced at any time in the operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the head fixing structure of the present invention
FIG. 3 is a schematic view of a driving structure according to the present invention;
FIG. 4 is a schematic view of a fixing structure according to the present invention;
FIG. 5 is a schematic view of a clamping structure according to the present invention;
FIG. 6 is a cross-sectional view of a clamping structure according to the present invention;
in the figure: 1. a head support pad; 101. a placement groove; 102. a connecting plate;
2. a head fixation structure;
21. supporting the slide rail; 2101. a dovetail chute; 2102. a through groove; 2103. a drive slot;
22. a drive structure; 221. a reduction motor; 222. a gear; 223. an arc-shaped rack; 224. hoisting the slide rail; 225. a slider;
23. a circumferential fixing piece; 231. an arc-shaped cross arm; 232. a first connecting ring; 233. a second connection ring; 234. a pin shaft; 234a, a fixed pin shaft; 234b, a driving pin shaft;
24. a fixed structure; 241. an automatic telescopic member; 242. fixing the disc; 243. a pressure sensor;
25. a clamping structure; 251. a hollow shaft; 251a, end caps; 252. an arc-shaped clamping piece; 253. a movable shaft; 254. a spring;
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.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a sick head fixing device in cervical vertebra operation, includes that one installs the head supporting pad 1 at the operation table head, offers the standing groove 101 that is used for supporting patient's face on the head supporting pad 1, and this application is applicable to actual in patient's face prostrate on the operation table, and the doctor needs to carry out the condition of operation to the patient rear portion.
The outer end of the head supporting pad 1 is fixedly connected with a head fixing structure 2 through a connecting plate 102, wherein the head fixing structure 2 is composed of a hoop fixing piece 23 and a supporting slide rail 21, the hoop fixing piece 23 is composed of a plurality of arc-shaped cross arms 231 which are arranged in a crossed mode, the end portions of two adjacent arc-shaped cross arms 231 are connected in a rotating mode through a first connecting ring 232, and the middle portions of the two adjacent arc-shaped cross arms are connected in a rotating mode through a second connecting ring 233.
Further, the arc-shaped cross arms 231 are all arc-shaped plate structures which are convexly bent towards the outer side. For accommodating the curvature of the patient's head.
The first connection ring 232 and the second connection ring 233 are used for movably connecting adjacent arc-shaped cross arms 231, through holes are formed in the middles of the first connection ring 232 and the second connection ring 233 and are respectively used for installing the clamping structure 25 or the fixing structure 24, and the first connection ring 232 and the second connection ring 233 are connection rings which are conventional in the field, so that the adjacent arc-shaped cross arms 231 can rotate in a cross mode.
The middle parts of the second connecting rings 233 are all connected with pin shafts 234 in a penetrating manner, the pin shafts 234 are divided into a fixed pin shaft 234a, a driving pin shaft 234b and a plurality of movable pin shafts, the fixed pin shaft 234a is positioned on one of the second connecting rings 233 in the middle, the fixed pin shaft 234a is fixedly connected with the supporting slide rail 21, one of the fixed pin shafts 234a adjacent to the fixed pin shaft 234a is the driving pin shaft 234b, the driving pin shaft 234b penetrates through the second connecting rings 233 and is clamped in a dovetail slide groove 2101 formed in the inner side surface of the supporting slide rail 21 in a sliding manner, the inner side end part of the driving pin shaft 234b is provided with a tapered structure, and the tapered structure.
Referring to fig. 1-3, the arc-shaped cross arms 231 are mounted on the supporting slide rail 21, and a driving structure 22 for driving the plurality of arc-shaped cross arms 231 to extend or contract in a crossing manner is mounted on the outer side of the supporting slide rail 21;
a driving groove 2103 with a rectangular cross section is formed in the outer side face of the supporting slide rail 21, the driving groove 2103 is communicated with the dovetail sliding groove 2101 through a through groove 2102, the driving structure 22 comprises a speed reducing motor 221 and a gear 222 installed at the driving end of the speed reducing motor 221, the gear 222 is meshed with an arc-shaped rack 223 installed at the bottom of the driving groove 2103, the gear 222 is rotatably connected with the end of a driving pin shaft 234b through a connecting shaft, and the connecting shaft is movably located in the through groove 2102. Ensuring that gear 222 drives drive pin 234b along dovetail slide 2101 without rotating it.
When the speed reduction motor 221 is started, the gear 222 can be driven to reciprocate on the arc-shaped rack 223, and then the driving pin 234b is driven to move in the dovetail chute 2101: when the driving pin shaft 234b is far away from the fixed pin shaft 234a, the plurality of arc-shaped cross arms 231 are extended in a cross manner, so that the head of the patient is covered in a spherical space formed by the arc-shaped cross arms 231, and the head of the patient is convenient to be fixed subsequently; when the drive pin 234b approaches the fixed pin 234a, the plurality of arcuate cross arms 231 are caused to contract in an intersecting manner, moving the arcuate cross arms 231 away from the patient's head.
Further, the top of the speed reducing motor 221 is fixedly connected with a sliding block 225, the sliding block 225 is slidably clamped into a hoisting sliding rail 224, the hoisting sliding rail 224 is fixedly connected with the support sliding rail 21, and the hoisting sliding rail 224 and the support sliding rail 21 keep the same curvature, so that the speed reducing motor 221 can reciprocate along the direction of the hoisting sliding rail 224.
Furthermore, two ends of the dovetail sliding groove 2101 are set to be of an open structure, the end part of the inner side of the movable pin shaft is set to be of a conical structure, the conical structure of the movable pin shaft can slide into the dovetail sliding groove 2101 from the opening, and the movable pin shaft always moves on the same horizontal plane, so that the dovetail sliding groove 2101 can support and limit the movable pin shaft in the moving process.
Referring to fig. 1 to 4, a fixing structure 24 contacting with the head of the patient is installed on any one of the second connection rings 233, and a pressure value at a contact position of any one of the fixing structures 24 with the head of the patient is adjustable.
The fixing structure 24 is installed at the outer end of the driving pin shaft 234b, the fixing structure 24 comprises an automatic telescopic part 241 and a fixing disc 242 installed at the driving end of the automatic telescopic part 241, a pressure sensor 243 is arranged at the center of the fixing disc 242, the pressure sensor 243 detects pressure data of the fixing disc 242 contacting with the head of a patient and transmits a signal to the controller, and the expansion and contraction of the automatic telescopic part 241 are controlled through a set program, so that the pressure value reaches a designated value. The automatic expansion device 241 in the present application may employ a device commonly used in the art, such as an air cylinder, a hydraulic cylinder, and an electric expansion cylinder.
Referring to fig. 1 and fig. 5-6, a plurality of clamping structures 25 are disposed on any one of the first connecting rings 232, and a plurality of layers of hemostatic cotton are circumferentially clamped between the plurality of clamping structures 25, so as to facilitate replacement of the hemostatic cotton at any time during an operation.
The clamping structure 25 comprises a hollow shaft 251 connected with the inner ring of the first connecting ring 232, a movable shaft 253 penetrates through the hollow shaft 251 in a movable manner, one side of the movable shaft 253 is connected with an arc-shaped clamping piece 252, the arc-shaped clamping piece 252 faces the head of a patient, hemostatic cotton is clamped on the arc-shaped clamping piece 252 in an annular manner, an end cover 251a is installed on the other side of the movable shaft 253, a spring 254 is sleeved on the movable shaft 253 inside the hollow shaft 251, and two ends of the spring 254 are fixedly connected with the hollow shaft 251 and the movable shaft 253 respectively. Under the action of the spring 254, the arc-shaped holding member 252 moves toward the head of the patient.
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 (8)
1. A patient head fixing device in cervical vertebra operation comprises a head supporting pad arranged on the head of an operating table, wherein a placing groove used for supporting the face of a patient is formed in the head supporting pad;
the outer end part of the head supporting pad is fixedly connected with a head fixing structure through a connecting plate;
the head fixing structure is composed of a circumferential fixing piece and a supporting slide rail, the circumferential fixing piece is composed of a plurality of arc-shaped cross arms which are arranged in a crossed mode, the end portions of two adjacent crossed arc-shaped cross arms are rotatably connected through a first connecting ring, and the middle portions of the two adjacent crossed arc-shaped cross arms are rotatably connected through a second connecting ring;
the arc-shaped cross arms are arranged on the supporting slide rails, and a driving structure for driving the plurality of arc-shaped cross arms to extend or contract in a cross mode is arranged on the outer sides of the supporting slide rails;
any one second connecting ring is provided with a fixing structure contacted with the head of the patient, and the pressure value of the contact part of any one fixing structure and the head of the patient is adjustable;
all run through on arbitrary one first connector ring and install clamping structure, it is a plurality of it has the multilayer hemostatic cotton to be the hoop centre gripping between the clamping structure.
2. The head fixing device for patients in cervical spine surgery according to claim 1, wherein: the first connecting ring and the second connecting ring are both used for movably connecting adjacent arc-shaped cross arms, and through holes are formed in the middles of the first connecting ring and the second connecting ring.
3. The head fixing device for patients in cervical spine surgery according to claim 1, wherein: the arc-shaped cross arms are arc-shaped plate structures which are convexly bent towards the outer side.
4. The head fixing device for patients in cervical spine surgery according to claim 1, wherein: the middle parts of the second connecting rings are all connected with pin shafts in a penetrating mode, the pin shafts are divided into a fixed pin shaft, a driving pin shaft and a plurality of movable pin shafts, the fixed pin shaft is located on one of the second connecting rings in the middle, the fixed pin shaft is fixedly connected with the supporting slide rail, one of the second connecting rings adjacent to the fixed pin shaft is the driving pin shaft, and the driving pin shaft penetrates through the second connecting rings and is in sliding clamping connection with a dovetail sliding groove formed in the inner side face of the supporting slide rail.
5. The head fixing device for patients in cervical spine surgery according to claim 4, wherein: support the slide rail lateral surface and set up the drive groove of a cross-section rectangle, through leading to the groove intercommunication between drive groove and the forked tail spout, the drive structure includes gear motor and installs the gear at the gear motor drive end, the gear meshes with the arc rack of installing in drive groove bottom, rotate through the connecting axle between gear and the drive pin shaft tip and be connected, and the connecting axle activity is located logical inslot.
6. The head fixing device for patients in cervical spine surgery according to claim 4, wherein: the fixing structure is installed at the outer side end of the driving pin shaft and comprises an automatic telescopic piece and a fixing disc installed at the driving end of the automatic telescopic piece, and a pressure sensor is arranged at the center of the fixing disc.
7. The head fixing device for patients in cervical spine surgery according to claim 4, wherein: the two ends of the dovetail sliding groove are of open structures, the end part of the inner side of the movable pin shaft is of a conical structure, and the conical structure of the movable pin shaft can slide into the dovetail sliding groove from the opening.
8. The head fixing device for patients in cervical spine surgery according to claim 1, wherein: the utility model discloses a hemostatic cotton, including hollow shaft, movable shaft, end cover, clamping structure, first connecting ring inner circle, the hollow shaft internalization runs through a loose axle, one side of loose axle is connected with the arc holder, the arc holder is towards patient's head, and is the hoop centre gripping on the arc holder and hold hemostatic cotton, the end cover is installed to the opposite side of loose axle, has cup jointed the spring on being located the inside loose axle of hollow shaft, the both ends of spring respectively with hollow shaft and loose axle rigid coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648484.0A CN113230078B (en) | 2021-06-10 | 2021-06-10 | Patient head fixing device in cervical vertebra operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648484.0A CN113230078B (en) | 2021-06-10 | 2021-06-10 | Patient head fixing device in cervical vertebra operation |
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| Publication Number | Publication Date |
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| CN113230078A true CN113230078A (en) | 2021-08-10 |
| CN113230078B CN113230078B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648484.0A Active CN113230078B (en) | 2021-06-10 | 2021-06-10 | Patient head fixing device in cervical vertebra operation |
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| CN213075978U (en) * | 2020-06-08 | 2021-04-30 | 张薇薇 | Department of anesthesia mandible bracket |
| CN213283919U (en) * | 2020-07-28 | 2021-05-28 | 安徽医科大学第一附属医院 | Special bed of uropoiesis surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080005841A1 (en) * | 2006-07-06 | 2008-01-10 | General Electric Company | Apparatus for supporting a patient in a prone position during diagnostic imaging |
| CN104540649A (en) * | 2013-01-28 | 2015-04-22 | 株式会社不二宫制作所 | Telescopic arm and structure using telescopic arm |
| CN203226991U (en) * | 2013-03-14 | 2013-10-09 | 蒋雷杰 | Improved operation table |
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| CN210077887U (en) * | 2019-04-02 | 2020-02-18 | 陈志芳 | Shaping and beautifying jaw face fixing device |
| CN212438875U (en) * | 2020-04-10 | 2021-02-02 | 安徽医科大学第一附属医院 | Anti-infection protection device |
| CN213075978U (en) * | 2020-06-08 | 2021-04-30 | 张薇薇 | Department of anesthesia mandible bracket |
| CN213283919U (en) * | 2020-07-28 | 2021-05-28 | 安徽医科大学第一附属医院 | Special bed of uropoiesis surgery |
| CN111846209A (en) * | 2020-07-31 | 2020-10-30 | 邹凯 | Unmanned aerial vehicle manipulator |
| CN212850962U (en) * | 2020-08-28 | 2021-03-30 | Oppo（重庆）智能科技有限公司 | Scissor-fork type telescopic mechanism and headset |
| CN112340440A (en) * | 2020-11-17 | 2021-02-09 | 浙江海洋大学 | Mechanical arm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113230078B (en) | 2022-06-28 |
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