CN109223285A - A kind of adjustable backbone section neck-protecting device - Google Patents
A kind of adjustable backbone section neck-protecting device Download PDFInfo
- Publication number
- CN109223285A CN109223285A CN201811319707.3A CN201811319707A CN109223285A CN 109223285 A CN109223285 A CN 109223285A CN 201811319707 A CN201811319707 A CN 201811319707A CN 109223285 A CN109223285 A CN 109223285A
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- CN
- China
- Prior art keywords
- neck
- guard ring
- fixedly connected
- neck guard
- connecting plate
- 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.)
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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
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
- A61F5/055—Cervical collars
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- 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 adjustable backbone section neck-protecting devices, including the first neck guard ring and the second neck guard ring, the first neck guard ring is located at the lower section of the second neck guard ring, the two sides of the first neck guard ring are fixedly connected to the first connecting plate, the two sides of the second neck guard ring are fixedly connected to the second connecting plate, the bottom of first connecting plate is provided through threaded rod, and the first connecting plate and the second connecting plate are sequentially passed through at the top of the threaded rod.The rate of tension of neck guard ring can be adjusted in the present invention; tensioning support protection preferably can be carried out to the neck of patient; facilitate the rehabilitation of patient's neck; it convenient for the use of patient, solves that existing backbone section is more single with neck-protecting device structure, protection support is carried out by neck of the neck guard ring to patient; the rate of tension of neck guard ring is not easy to adjust; it is easy to produce loosening after prolonged use, to reduce the support effect of neck, is not easy to the problem of patient uses.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of adjustable backbone section neck-protecting device.
Background technique
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human body
Object, material and other similar or relevant article, including required computer software, effectiveness mainly pass through the side such as physics
Formula obtains, although not being to be obtained by way of pharmacology, immunology perhaps metabolism or have these modes to participate in only rising
Booster action；Purpose is diagnosis, prevention, monitoring, treatment or the alleviation of disease；The diagnosis of damage, monitoring, treatment, alleviation or
The support or maintenance of the inspection of person's function compensation, physiological structure or physiology course, substitution, adjusting perhaps support life, it is pregnant
It is pregnent control, by checking the sample from human body, provides information for medical treatment or diagnostic purpose.
Spinal surgery is one branch of neurosurgery, be an outpatient service disconnected and treatment maincenter, around and autonomic nerves system and
The medicine of its support construction includes mainly backbone degenerative disease, such as cervical spondylosis, protrusion of lumber intervertebral disc, these are most commonly seen
Disease accounts for 80% or more of various spinal operations, backbone, trauma of spinal cord, tumor in vertebral canal and deformity of spine, backbone section neck-protecting device
Belong to backbone section medical assistance instrument, for protecting the neck of patient, the neck of patient is supported, facilitates patient's neck
Rehabilitation, existing backbone section is more single with neck-protecting device structure, protection support is carried out by neck of the neck guard ring to patient,
The rate of tension of neck guard ring is not easy to adjust, and is easy to produce loosening after prolonged use, so that the support effect of neck is reduced,
It is not easy to the use of patient.
Summary of the invention
The technical problem to be solved in the present invention is that overcome traditional neck-protecting device structure more single, the rate of tension of neck guard ring
Inconvenience is adjusted, and is easy to produce loosening after prolonged use, and support effect is undesirable, is influenced the problems such as patient uses, is provided one
Kind stability is good, high reliablity, facilitates and adjusts neck guard ring tensioning dynamics, preferably can be supported guarantor to the neck of patient
A kind of adjustable backbone section neck-protecting device of shield.
To solve the above problems, the invention provides the following technical scheme:
A kind of adjustable backbone section neck-protecting device, including the first neck guard ring and the second neck guard ring, the first neck guard ring are located at the
The lower section of two neck guard rings, the two sides of the first neck guard ring are fixedly connected to the first connecting plate, and the two sides of the second neck guard ring are fixed
It is connected with the second connecting plate, the bottom of the first connecting plate is provided through threaded rod, the first company is sequentially passed through at the top of threaded rod
Fishplate bar and the second connecting plate.
It is that the present invention advanced optimizes above-mentioned technical proposal below:
Limited block is fixedly connected at the top of threaded rod, the surface of threaded rod is arranged with the first spring, and the first spring is located at first
Between connecting plate and the second connecting plate, and the top and bottom of the first spring connect with corresponding first connecting plate and second respectively
Fishplate bar is in contact, and the surface of threaded rod is arranged with nut, and nut is located at the bottom of the first connecting plate.
By the way that the first spring is arranged, a tension is generated to the first connecting plate and the second connecting plate, thus to the first neck guard
Ring and the second neck guard ring generate tension, adjust convenient for the first neck guard ring and the second neck guard ring distance.
Advanced optimize: the bottom of the first neck guard ring is provided with connection sheet, connection sheet close to the first neck guard ring side with
First neck guard ring contacts, and is fixedly connected with the first connection buckle on the left of connection sheet, the second company is fixedly connected on the right side of connection sheet
Buckle.
Advanced optimize: the first connection buckle is fixedly connected with the first elastic band, the first elastic band far from the side of connection sheet
One end far from the first connection buckle is fixedly connected with the first buckle, and the second connection buckle is fixedly connected with the far from the side of connection sheet
Two elastic bands, the second elastic band are fixedly connected with the second buckle far from the side of the second connection buckle, and the surface of the second buckle opens up
There is square hole, the inner cavity of square hole is fixedly connected with connecting rod, and the first buckle is adapted with square hole.
Buckled by setting connection sheet, the first connection buckle, the second connection buckle, the first elastic band, the second elastic band, first,
Second buckle, the second circular hole, square hole and connecting rod are cooperated, and secondary can be consolidated to the first neck guard ring and the second neck guard ring
It is fixed, the stability of neck guard ring is improved, neck guard ring is avoided to generate loosening, the first buckle and the second buckle energy after prolonged use
It is enough clamped, the school bag buckle clamping principle such as used usually.
Advanced optimize: the bottom of the first neck guard ring offers the first circular hole, and the surface of connection sheet offers the second circular hole,
And second circular hole diameter be greater than the first circular hole diameter.
By the first circular hole of setting and the second circular hole, convenient for being clamped with the Adam's apple position of patient, it is convenient for patient respiratory
It is smooth.
Advanced optimize: the surface of connection sheet offers card hole, and card hole is located at the quadrangle of connection sheet bottom, the shape of card hole
For circle, the bottom of the first neck guard ring is fixedly connected with fixing buckle, and the one end of fixing buckle far from the first neck guard ring is through card
Hole and the outside for extending to card hole.
Advanced optimize: the two sides at the top of limited block are fixedly connected to knob, and the surface of knob is provided with anti-skid chequer, spiral shell
Female top is fixedly connected with the bottom of the first connecting plate, and the threaded rod is connect with nut thread.
By setting knob, the contact area of limited block and finger is increased, convenient for the shape of limited block, consequently facilitating
The rotation of threaded rod.
By the way that nut is arranged, convenient for being threadedly coupled with threaded rod, so that the first connecting plate and the second connecting plate be connected
It is connected together.
Advanced optimize: the surface of the first connecting plate and the second connecting plate offers through-hole compatible with threaded rod,
Threaded rod runs through through-hole, and the diameter of the through-hole is greater than the diameter of threaded rod.
Advanced optimize: the inner wall of the first neck guard ring and the second neck guard ring is fixedly connected to second spring, second spring
Quantity be several, one end of second spring is fixedly connected with loose collar and is fixedly connected with soft silk floss far from the side of second spring
Pad.
By setting second spring and loose collar, neck guard ring is avoided directly to contact with patient's neck, it can be to patient's neck
Carry out buffer protection.
By the way that soft continuous pad is arranged, the skin of patient's neck can be protected.
Advanced optimize: the surface of the first neck guard ring and the second neck guard ring, which offers several and is spaced substantially equidistant, to be set
The first heat release hole set, the surface of the loose collar offer several the second heat release holes for being spaced substantially equidistant setting.
By the first heat release hole of setting and the second heat release hole, convenient for distributing for patient's neck heat.
The present invention by adopting the above technical scheme, has the advantages that
The present invention by adopting the above technical scheme, can be adjusted the rate of tension of neck guard ring, can be preferably to the neck of patient
Portion carries out tensioning support protection, facilitates the rehabilitation of patient's neck, convenient for the use of patient, solves existing backbone section shield
Neck apparatus structure is more single, and the rate of tension of neck guard ring is not easy to adjust, and is easy to produce loosening after prolonged use, to drop
The low support effect of neck is not easy to the problem of patient uses.
Present invention will be further explained below with reference to the attached drawings and examples.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention elevational schematic view；
Fig. 3 is that structure of the invention second buckles schematic top plan view；
Fig. 4 connects local overlooking schematic cross-sectional view with the first neck guard ring for invention connection sheet；
Fig. 5 is positive structure diagram of the present invention.
In figure: 1- the first neck guard ring；2- the second neck guard ring；The first connecting plate of 3-；The second connecting plate of 4-；5- threaded rod；6-
Limited block；The first spring of 7-；8- nut；The first heat release hole of 9-；The first circular hole of 10-；11- connection sheet；The first connection buckle of 12-；13-
Second connection buckle；The first elastic band of 14-；The second elastic band of 15-；16- first is buckled；17- second is buckled；The second circular hole of 18-；
19- square hole；20- connecting rod；21- card hole；22- fixing buckle；23- knob；24- through-hole；25- second spring；26- loose collar；27-
Second heat release hole；The soft continuous pad of 28-.
Specific embodiment
Embodiment please refers to Fig. 1-5, a kind of adjustable backbone section neck-protecting device, including the first neck guard ring 1 and second
Neck guard ring 2, the first neck guard ring 1 are located at the lower section of the second neck guard ring 2, and the two sides of the first neck guard ring 1 are fixedly connected with
There is the first connecting plate 3, the two sides of the second neck guard ring 2 are fixedly connected to the second connecting plate 4, first connecting plate 3
Bottom is provided through threaded rod 5, and the top of the threaded rod 5 sequentially passes through the first connecting plate 3 and the second connecting plate 4.
The top of the threaded rod 5 is fixedly connected with limited block 6, and the surface of threaded rod 5 is arranged with the first spring 7, described
For first spring 7 between the first connecting plate 3 and the second connecting plate 4, the surface of the threaded rod 5 is arranged with nut 8, the spiral shell
Mother 8 is located at the bottom of the first connecting plate 3.
The bottom of first spring 7 is contacted with the top of the first connecting plate 3, the top and second of first spring 7
The bottom of connecting plate 4 contacts.
By the way that the first spring 7 is arranged, a tension is generated to the first connecting plate 3 and the second connecting plate 4, to protect to first
Neck ring 1 and the second neck guard ring 2 generate tension, convenient for the first neck guard ring 1 and the second neck guard ring 2 apart from adjusting.
The bottom of the first neck guard ring 1 is provided with connection sheet 11, and the connection sheet 11 is close to the side of the first neck guard ring 1
It is contacted with the first neck guard ring 1, the left side of the connection sheet 11 is fixedly connected with the first connection buckle 12, the right side of the connection sheet 11
It is fixedly connected with the second connection buckle 13.
First connection buckle 12 is fixedly connected with the first elastic band 14 far from the side of connection sheet 11, and described first is elastic
One end with 14 far from the first connection buckle 12 is fixedly connected with the first buckle 16.
Second connection buckle 13 is fixedly connected with the second elastic band 15 far from the side of connection sheet 11, and described second is elastic
Side with 15 far from the second connection buckle 13 is fixedly connected with the second buckle 17.
The surface of second buckle 17 offers square hole 19, and the inner cavity of the square hole 19 is fixedly connected with connecting rod 20,
First buckle 16 is adapted with square hole 19.
By setting connection sheet 11, the first connection buckle 12, the second connection buckle 13, the first elastic band 14, the second elastic band 15,
First the 17, second circular hole 18 of the 16, second buckle of buckle, square hole 19 and connecting rod 20 are cooperated, can be secondary to the first neck guard
Ring 1 and the second neck guard ring 2 are fixed, and improve the stability of neck guard ring, neck guard ring is avoided to generate pine after prolonged use
Dynamic, the first buckle 16 and the second buckle 17 are able to carry out clamping, the school bag buckle clamping principle such as used usually.
The bottom of the first neck guard ring 1 offers the first circular hole 10, and the surface of the connection sheet 11 offers the second circle
Hole 18, and the diameter of the second circular hole 18 is greater than the diameter of the first circular hole 10.
By the first circular hole 10 of setting and the second circular hole 18, convenient for being clamped with the Adam's apple position of patient, it is convenient for patient
It breathes smooth.
The surface of the connection sheet 11 offers card hole 21, and the card hole 21 is located at the quadrangle of 11 bottom of connection sheet, described
The shape of card hole 21 is circle, and the bottom of the first neck guard ring 1 is fixedly connected with fixing buckle 22, and the fixing buckle 22 is far from the
One end of one neck guard ring 1 runs through card hole 21 and extends to the outside of card hole 21.
The two sides at 6 top of limited block are fixedly connected to knob 23, and the surface of the knob 23 is provided with anti-skid chequer,
The top of the nut 8 is fixedly connected with the bottom of the first connecting plate 3.
By the way that knob 23 is arranged, the contact area of limited block 6 Yu finger is increased, is convenient for rotary stopper block 6, and then be convenient for
The rotation of threaded rod 5.
The inner wall of the nut 8 is provided with internal screw thread, and the surface of the threaded rod 5 is provided with compatible with internal screw thread outer
Screw thread, the nut 8 are threadedly coupled with threaded rod 5.
By the way that nut 8 is arranged, convenient for being threadedly coupled with threaded rod 5, thus by the first connecting plate 3 and the second connecting plate
4 link together.
The surface of first connecting plate 3 and the second connecting plate 4 offers through-hole 24 compatible with threaded rod 5, institute
Threaded rod 5 is stated through through-hole 24, the diameter of the through-hole 24 is greater than the diameter of threaded rod 5.
The inner wall of the first neck guard ring 1 and the second neck guard ring 2 is fixedly connected to second spring 25, the second spring
25 quantity is several, and one end of the second spring 25 is fixedly connected with loose collar 26, and loose collar 26 is far from second spring
25 side is fixedly connected with soft continuous pad 28.
The first neck guard ring 1, the second neck guard ring 2 and loose collar 26 are disposed as semicircle.
By setting semicircle for the first neck guard ring 1, the second neck guard ring 2 and loose collar 26, the first neck guard can be passed through
Ring 1, the second neck guard ring 2 and loose collar 26, realization are clamped with patient's neck, to preferably protect patient's neck.
By setting second spring 25 and loose collar 26, neck guard ring is avoided directly to contact with patient's neck, it can be to patient
Neck carries out buffer protection.
By the way that soft continuous pad 28 is arranged, the skin of patient's neck can be protected.
The surface of the first neck guard ring 1 and the second neck guard ring 2 offers the first heat release hole 9, first heat release hole 9
Quantity be several, and be spaced substantially equidistant between multiple first heat release hole 9.
The surface of the loose collar 26 offers the second heat release hole 27, and the quantity of the second heat release hole 27 is several, and should
It is spaced substantially equidistant between multiple second heat release holes 27.
By the first heat release hole 9 of setting and the second heat release hole 27, convenient for distributing for patient's neck heat.
In use, rotation knob 23 drives limited block 6 to rotate, limited block 6 drives threaded rod 5 to rotate, threaded rod 5 and nut
8 are threadedly coupled, and nut 8 is driven to move up, and nut 8 drives the first connecting plate 3 to move up, keep the first connecting plate 3 mobile to
Second connecting plate 4 is close, and the first connecting plate 3 drives the first neck guard ring 1 to move up, and keeps the first neck guard ring 1 mobile to the second shield
Neck ring 2 is close, and the first neck guard ring 1 drives second spring 25 and loose collar 26 to move up, and keeps two loose collars 26 close to each other,
To adjust the distance between two loose collars 26.
After adjusting the distance between two loose collars 26, protection branch can be carried out by neck of the loose collar 26 to patient
Support；Then again by the clamping of the first buckle 16 and square hole 19, for adjusting the length of the second elastic band 15, to the first neck guard ring
1 and second neck guard ring 2 carry out package tensioning, the stability of neck guard ring can be improved.
The present invention using the above structure, can be adjusted the rate of tension of neck guard ring, can be preferably to the neck of patient
Portion carries out tensioning support protection, facilitates the rehabilitation of patient's neck, convenient for the use of patient, solves existing backbone section shield
Neck apparatus structure is more single, carries out protection support by neck of the neck guard ring to patient, the rate of tension of neck guard ring is not easy to adjust
Section, is easy to produce loosening after prolonged use, to reduce the support effect of neck, is not easy to the problem of patient uses.
Claims (10)
1. a kind of adjustable backbone section neck-protecting device, including the first neck guard ring (1) and the second neck guard ring (2), feature exists
In: the first neck guard ring (1) is located at the lower section of the second neck guard ring (2), and the two sides of the first neck guard ring (1) are fixedly connected to the first company
The two sides of fishplate bar (3), the second neck guard ring (2) are fixedly connected to the second connecting plate (4), and the bottom of the first connecting plate (3) is run through
It is provided with threaded rod (5), the first connecting plate (3) and the second connecting plate (4) is sequentially passed through at the top of threaded rod (5).
2. a kind of adjustable backbone section neck-protecting device according to claim 1, it is characterised in that: threaded rod (5)
Top is fixedly connected with limited block (6), and the surface of threaded rod (5) is arranged with the first spring (7), and the first spring (7) is located at first
Between connecting plate (3) and the second connecting plate (4), and the top and bottom of the first spring (7) are connected with corresponding first respectively
Plate (3) and the second connecting plate (4) contact with each other, and the surface of the threaded rod (5) is arranged with nut (8), and nut (8) is located at first
The bottom of connecting plate (3).
3. a kind of adjustable backbone section neck-protecting device according to claim 2, it is characterised in that: the first neck guard ring
(1) bottom is provided with connection sheet (11), and connection sheet (11) connects close to the side of the first neck guard ring (1) with the first neck guard ring (1)
It touches, is fixedly connected with the first connection buckle (12) on the left of connection sheet (11), connection sheet is fixedly connected with the second company on the right side of (11)
Buckle (13).
4. a kind of adjustable backbone section neck-protecting device according to claim 3, it is characterised in that: first connection
Button (12) is fixedly connected with the first elastic band (14) far from the side of connection sheet (11), and the first elastic band (14) is far from the first connection
One end of button (12) is fixedly connected with the first buckle (16), and second connection buckle (13) is fixed far from the side of connection sheet (11)
It is connected with the second elastic band (15)；Second elastic band (15) is fixedly connected with the second buckle far from the side of the second connection buckle (13)
(17), the surface of second buckle (17) offers square hole (19), and the inner cavity of square hole (19) is fixedly connected with connecting rod (20),
First buckle (16) is adapted with square hole (19).
5. a kind of adjustable backbone section neck-protecting device according to claim 4, it is characterised in that: the first neck guard ring
(1) bottom offers the first circular hole (10), and the surface of the connection sheet (11) offers the second circular hole (18), and the second circular hole
(18) diameter is greater than the diameter of the first circular hole (10).
6. a kind of adjustable backbone section neck-protecting device according to claim 5, it is characterised in that: connection sheet (11)
Surface offers card hole (21), and card hole (21) is located at the quadrangle of connection sheet (11) bottom, and the shape of card hole (21) is circle, is told
The bottom of first neck guard ring (1) is fixedly connected with fixing buckle (22), and fixing buckle (22) runs through far from one end of the first neck guard ring (1)
Card hole (21) and the outside for extending to card hole (21).
7. a kind of adjustable backbone section neck-protecting device according to claim 6, it is characterised in that: limited block (6) top
The two sides in portion are fixedly connected to knob (23), and the surface of knob (23) is provided with anti-skid chequer, and the top of nut (8) connects with first
The bottom of fishplate bar (3) is fixedly connected, and the nut (8) is threadedly coupled with threaded rod (5).
8. a kind of adjustable backbone section neck-protecting device according to claim 7, it is characterised in that: the first connecting plate
(3) it offers with the surface of the second connecting plate (4) and runs through through-hole with threaded rod (5) compatible through-hole (24), threaded rod (5)
(24), the diameter of the through-hole (24) is greater than the diameter of threaded rod (5).
9. a kind of adjustable backbone section neck-protecting device according to claim 8, it is characterised in that: the first neck guard ring
(1) it being fixedly connected to second spring (25) with the inner wall of the second neck guard ring (2), the quantity of second spring (25) is several,
One end of second spring (25) is fixedly connected with loose collar (26), and side of the loose collar (26) far from second spring (25) is fixed to be connected
It is connected to soft continuous pad (28).
10. a kind of adjustable backbone section neck-protecting device according to claim 9, it is characterised in that: first shield
The surface of neck ring (1) and the second neck guard ring (2) offers several the first heat release holes (9) for being spaced substantially equidistant setting, described
The surface of loose collar (26) offers several the second heat release holes (27) for being spaced substantially equidistant setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319707.3A CN109223285A (en) | 2018-11-07 | 2018-11-07 | A kind of adjustable backbone section neck-protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319707.3A CN109223285A (en) | 2018-11-07 | 2018-11-07 | A kind of adjustable backbone section neck-protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109223285A true CN109223285A (en) | 2019-01-18 |
Family
ID=65077309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811319707.3A Withdrawn CN109223285A (en) | 2018-11-07 | 2018-11-07 | A kind of adjustable backbone section neck-protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109223285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288556A (en) * | 2021-05-19 | 2021-08-24 | 向仕香 | Cervical protection device for department of spine convenient to adjust fixedly |
-
2018
- 2018-11-07 CN CN201811319707.3A patent/CN109223285A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288556A (en) * | 2021-05-19 | 2021-08-24 | 向仕香 | Cervical protection device for department of spine convenient to adjust fixedly |
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| 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: 20190118 |