CN109893315B - Vascular fistula protection device - Google Patents
Vascular fistula protection device Download PDFInfo
- Publication number
- CN109893315B CN109893315B CN201910142131.6A CN201910142131A CN109893315B CN 109893315 B CN109893315 B CN 109893315B CN 201910142131 A CN201910142131 A CN 201910142131A CN 109893315 B CN109893315 B CN 109893315B
- Authority
- CN
- China
- Prior art keywords
- pillow body
- accommodating groove
- protection device
- hole
- fastener tape
- 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.)
- Active
Links
- 208000004002 Vascular Fistula Diseases 0.000 title claims abstract description 40
- 239000004677 Nylon Substances 0.000 claims description 24
- 229920001778 nylon Polymers 0.000 claims description 24
- 206010016717 Fistula Diseases 0.000 abstract description 6
- 238000000502 dialysis Methods 0.000 abstract description 6
- 230000003890 fistula Effects 0.000 abstract description 6
- 206010003226 Arteriovenous fistula Diseases 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 5
- 230000000322 hemodialysis Effects 0.000 description 5
- 230000002792 vascular Effects 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a vascular fistula protecting device, which comprises an upper pillow body, a lower pillow body and a connecting part; the upper pillow body is provided with an upper accommodating groove, and the whole upper pillow body is of a hollowed-out structure; the lower pillow body is provided with a lower accommodating groove corresponding to the upper accommodating groove, and the whole lower pillow body is of a hollowed-out structure; when the upper pillow body is buckled with the lower pillow body, the upper accommodating groove and the lower accommodating groove form a through hole capable of accommodating arms of a human body; the connecting piece detachably connects the upper pillow body and the lower pillow body. The invention can protect arteriovenous internal fistula, prolong the service life of the internal fistula, ensure the smooth proceeding of dialysis and improve the life quality of patients.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a vascular fistula protection device.
Background
About 150-180 ten thousand kidney replacement therapy patients exist in China, wherein the patients are mainly hemodialysis patients. Arteriovenous intravascular fistulae are the most common vascular access for hemodialysis, and are the "lifeline" for maintaining hemodialysis patients. Typically, patients are treated by hemodialysis 1-3 times per week for at least 4 hours per time through arteriovenous fistula. The nursing of arteriovenous fistula in daily life and the comfort of arms and the maintenance of dialysis in the dialysis process are difficult and serious living problems of daily medical treatment. When a patient enters a sleep state at ordinary times at home, the internal arteriovenous fistula on the arm is likely to be unconsciously scratched, the body or the head is likely to be pressed against the internal arteriovenous fistula on the arm after turning over, and the unconscious scratching or long-time pressing can cause irreversible damage to the arteriovenous fistula. The patient may not have a replacement blood vessel when the operation is performed again or the arteriovenous vascular fistula is repaired, the blood vessel is waited to grow after the operation, the period suitable for hemodialysis flow is long (usually, the vascular fistula can not be used after 3-6 months), and serious complications such as serious infection, great bleeding and the like can be caused by a temporary replacement scheme, so that the life quality of the patient is influenced, and the expected life cycle of the patient is shortened in advance.
Disclosure of Invention
The invention aims to provide a vascular fistula protecting device which can protect arteriovenous vascular internal fistula, prolong the service life of the internal fistula, ensure the smooth proceeding of dialysis and improve the survival quality of patients.
The vascular fistula protecting device of the invention comprises an upper pillow body, a lower pillow body and a connecting part;
The upper pillow body is provided with an upper accommodating groove, and the whole upper pillow body is of a hollowed-out structure;
The lower pillow body is provided with a lower accommodating groove corresponding to the upper accommodating groove, and the whole lower pillow body is of a hollowed-out structure;
When the upper pillow body is buckled with the lower pillow body, the upper accommodating groove and the lower accommodating groove form a through hole capable of accommodating arms of a human body; the through holes may be of any shape through which an arm can pass, preferably, a through hole conforming to the shape of an arm.
The connecting member detachably connects the upper pillow body and the lower pillow body.
In the above vascular fistula protection device, preferably, the upper pillow body is provided with a first fastening portion, and the lower pillow body is provided with a second fastening portion corresponding to the first fastening portion.
In the vascular fistula protection device, preferably, the first buckling portion and the second buckling portion are of mortise and tenon structures matched with each other.
In the above vascular fistula protection device, preferably, the connecting member is a nylon fastener tape, and the upper pillow body and the lower pillow body are provided with adhesive portions corresponding to the nylon fastener tape. And preferably, nylon buckles are arranged on the two outer side walls of the protection pillow.
In the above vascular fistula protection device, preferably, the adhesive portion is designed on the outer side walls of the upper and lower pillow bodies.
The vascular fistula protection device as described above, preferably, the through-hole has an elliptical through-hole in cross section.
The vascular fistula protection device as described above, preferably further comprising a liner removably attached inside the through-hole.
In the above vascular fistula protection device, preferably, the pad is detachably connected to the inner wall of the through-hole by a velcro structure.
In the above vascular fistula protection device, preferably, a hook surface of the nylon fastener tape is provided on one side of the pad, a pile surface of the nylon fastener tape is provided on an inner wall of the through hole, and the hook surface and the pile surface can be bonded in a matching manner.
In the above vascular fistula protection device, preferably, a velour surface of the nylon fastener tape is provided on the other side of the pad, and another pad layer may be adhered.
In the above vascular fistula protection device, preferably, the upper pillow body and the lower pillow body form a triangular prism structure when they are buckled.
Advantageous effects
The invention discloses a vascular fistula protection device, which comprises an upper pillow body, a lower pillow body and a connecting part, wherein when the hollowed upper pillow body is buckled with the lower pillow body, a through hole capable of accommodating human arms is formed in the upper accommodating groove and the lower accommodating groove, the arms with vascular fistulae can be stretched into the through hole before a patient falls asleep, the upper pillow body and the lower pillow body are of soft elastic structures, so that the upper pillow body and the lower pillow body can play a role in protecting and supporting, and the vascular fistulae are prevented from being touched by and pressed by the patient in sleeping, thereby playing a role in protecting the vascular fistulae. The upper portion pillow body and the mutual interlock of lower part pillow body when buckling first buckling parts and second buckling parts, upper and lower part pillow body coupling is more firm, is difficult for dislocation, and the protection pillow is preferably triangular prism shape, and triangular prism is also more stable shape, and difficult roll removes, can avoid the blood vessel fistula on health or the head pillow pressure arm, especially reaches the guard action to blood vessel fistula at night. Because the hollow structure is light and breathable, the vascular fistula is prevented from being pressed. The vascular fistula protection pillow is portable and convenient to carry, and can not feel stuffy and uncomfortable in summer. The connecting part is detachably connected with the upper pillow body and the lower pillow body, the upper pillow body and the lower pillow body are separable, the lower pillow body can also be used as a pillow pad during dialysis, a stable arteriovenous fistula puncture process is provided for medical staff, and stable and comfortable assistance is provided for patients during 3-4 hours of dialysis.
Drawings
FIG. 1 is a schematic illustration of a vascular fistula protection device of the present invention;
FIG. 2 is another schematic view of a vascular fistula protection device of the present invention;
fig. 3 is a bottom view of the vascular fistula protection device of the present invention;
fig. 4 is a top view of a vascular fistula protection device of the present invention;
FIG. 5 is a schematic view of the upper pillow body of the vascular fistula protection device of the present invention;
FIG. 6 is a schematic view of a lower pillow body of a vascular fistula protection device of the present invention;
fig. 7 is a schematic illustration of a liner placement procedure for a vascular fistula protection device of the present invention.
FIG. 8 is a schematic view of a vascular fistula protection device of the present invention including a clasp portion;
Fig. 9 is another schematic view of a vascular fistula protection device of the invention comprising a fastening portion.
The reference numerals are as follows:
The upper pillow body 1, the upper pillow body hollow 11, the first buckling part 12, the lower pillow body 2, the lower pillow body hollow 21, the second buckling part 22, the connecting part 3, the through hole 4, the upper accommodating groove 41, the lower accommodating groove 42 and the gasket 5.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
Example 1
Referring to fig. 1 to 6, the present embodiment provides a vascular fistula protection device comprising an upper pillow body 1, a lower pillow body 2, and a connecting member 3; the upper pillow body 1 is provided with an upper pillow body hollow 11 structure, the lower pillow body 2 is provided with a lower pillow body hollow 21 structure, and the hollow structure can be in various forms such as round hollow, square hollow and irregular structure hollow, and can achieve ventilation and stable support functions. The upper pillow body 1 is provided with an upper accommodating groove 41, the lower pillow body 2 is provided with a lower accommodating groove 42 corresponding to the upper accommodating groove 41, the upper accommodating groove 41 and the lower accommodating groove 42 are buckled to form a through hole 4, and arms of a human body can pass through the through hole 4, and the upper accommodating groove 41 and the lower accommodating groove 42 in the embodiment are buckled to form the through hole 4 with an elliptical cross section so as to better adapt to the shape of the arms of the human body; the connection member 3 detachably connects the upper pillow body 1 and the lower pillow body 2. Preferably, the connecting component 3 in the embodiment is a plurality of nylon buckles, and the nylon buckles can be arranged on both outer side walls of the protection pillow, so that the connection between the upper pillow body 1 and the lower pillow body 2 is more stable and is not easy to loosen; the nylon fastener tape is provided with a hook surface structure on one side, the upper pillow body 1 and the lower pillow body 2 are provided with a suede structure corresponding to the nylon fastener tape as an adhering part, and more preferably, the adhering part is designed on the outer side wall of the upper pillow body 1 and the lower pillow body 2, so that the upper pillow body 1 is connected with the nylon fastener tape and is placed on the side when the upper pillow body 1 is opened, and arms can be exposed without tearing the hook surface and the suede of all the nylon fastener tape, so that medical staff can operate vascular fistula.
The upper pillow body 1 and the lower pillow body 2 can be in any shape which is relatively stable and not easy to roll, such as a cube, a cuboid and the like, preferably, in the embodiment, the upper pillow body 1 and the lower pillow body 2 form a triangular prism structure when being buckled, the structure is most stable and not easy to roll, and materials of the upper pillow body 1 and the lower pillow body 2 can be polyurethane slow rebound sponge, soft foam cotton, rubber cotton and the like, so that the upper pillow body 1 and the lower pillow body can be slowly deformed and absorbed by pressure when being pressed, injury to vascular fistula is reduced, even supporting force can be provided for arms, and a patient feels comfortable. Preferably, the upper pillow body 1 and the lower pillow body 2 are made of inflatable materials and are provided with inflatable and deflatable valves, and the inflatable pillow can be compressed into a smaller volume when not inflated, is convenient to carry, can be made into an elastic three-dimensional structure after being inflated,
When the pillow is used, when the nylon buckles are arranged on the single outer side wall, the upper pillow body 1 is opened and placed on the side of the lower pillow body 2, a patient lies down to put the arms into the lower containing groove 42, and then the upper pillow body 1 is buckled on the lower pillow body 2, so that the upper containing groove and the lower containing groove correspond. When the nylon buckles are arranged on the two outer side walls, the nylon buckle on one side is firstly opened, then the upper pillow body 1 is opened and placed on the side of the lower pillow body 2, the patient lies down to place the arms into the lower containing groove 42, then the upper pillow body 1 is buckled on the upper pillow body 2, the upper containing groove and the lower containing groove are corresponding, and then the nylon buckle on the side wall is pasted.
Example 2
Referring to fig. 7, this embodiment provides a vascular fistula protection device, and the specific schemes of the upper pillow body 1, the lower pillow body 2 and the connecting member 3 are the same as those of embodiment 1, and are not repeated in this embodiment; preferably, the vascular fistula protection pillow of this embodiment further comprises a pad 5 detachably attached to the inside of the through-hole, the pad 5 being detachably attached to the inner wall of the through-hole 4 by a velcro structure. Specifically, the pad 5 material can be polyurethane slow rebound sponge, and pad 5 one side is equipped with the face that colludes of nylon fastener tape, and the through-hole 4 inner wall is equipped with the matte of nylon fastener tape, colludes face and matte can cooperate the bonding. When the pillow is used, if the through hole 4 of the pillow body is larger for a patient, the pad 5 can be arranged in the through hole 4, so that the aperture of the through hole 4 is reduced, and the through hole 4 is better matched with the arm of the patient. It is further preferred that the other side of the pad 5 is also provided with velcro, and that a further layer of pad 5 may be glued if the aperture is not suitable after one layer of pad 5 has been added.
Example 3
Referring to fig. 8 and 9, this embodiment provides a vascular fistula protection device, the upper pillow body 1 is provided with a first buckling portion 12, the lower pillow body 2 is provided with a second buckling portion 22 corresponding to the first buckling portion 12, the first buckling portion 12 and the second buckling portion 22 may be corresponding mortise and tenon structures, and mortise and tenon joints are mutually meshed during buckling, so that the upper pillow body 1 and the lower pillow body 2 are firmly matched and are not easy to move in a dislocation manner. Other structures of this embodiment are the same as those of embodiment 1 and embodiment 2, and will not be described here again.
While the invention has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (3)
1. A vascular fistula protection device, which is characterized by comprising an upper pillow body, a lower pillow body and a connecting part;
The upper pillow body is provided with an upper accommodating groove, and the whole upper pillow body is of a hollowed-out structure;
The lower pillow body is provided with a lower accommodating groove corresponding to the upper accommodating groove, and the whole lower pillow body is of a hollowed-out structure;
When the upper pillow body is buckled with the lower pillow body, the upper accommodating groove and the lower accommodating groove form a through hole capable of accommodating arms of a human body;
the connecting part is detachably connected with the upper pillow body and the lower pillow body;
The upper pillow body is provided with a first buckling part, and the lower pillow body is provided with a second buckling part corresponding to the first buckling part;
the first buckling part and the second buckling part are of mortise and tenon structures matched with each other;
the connecting component is a nylon fastener tape, the upper pillow body and the lower pillow body are provided with sticking parts corresponding to the nylon fastener tape, and the sticking parts are designed on the outer side walls of the upper pillow body and the lower pillow body;
The vascular fistula protection device further comprises a liner removably attached inside the through-hole;
The pad is detachably connected with the inner wall of the through hole through a nylon fastener tape structure;
a hook surface of the nylon fastener tape is arranged on one side of the liner, a suede surface of the nylon fastener tape is arranged on the inner wall of the through hole, and the hook surface and the suede surface can be bonded in a matching way;
The other side of the pad is provided with a suede of a nylon fastener tape, and another pad layer can be adhered.
2. The vascular fistula protection device of claim 1 wherein the through-hole is elliptical in cross-section.
3. The vascular fistula protection device of claim 1 wherein the upper pillow body forms a triangular prism structure when buckled with the lower pillow body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142131.6A CN109893315B (en) | 2019-02-26 | 2019-02-26 | Vascular fistula protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142131.6A CN109893315B (en) | 2019-02-26 | 2019-02-26 | Vascular fistula protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109893315A CN109893315A (en) | 2019-06-18 |
| CN109893315B true CN109893315B (en) | 2024-05-03 |
Family
ID=66945531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910142131.6A Active CN109893315B (en) | 2019-02-26 | 2019-02-26 | Vascular fistula protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109893315B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982745A (en) * | 1989-01-17 | 1991-01-08 | Shields Jack C | Self-elevating limb support |
| CN201469481U (en) * | 2009-09-09 | 2010-05-19 | 姜书梅 | Triangular temporary fracture-positioning protector |
| CN201510570U (en) * | 2009-09-18 | 2010-06-23 | 青岛大学医学院附属医院 | Internal fistula protective sleeve |
| CN204521338U (en) * | 2015-02-09 | 2015-08-05 | 绍兴市人民医院 | A kind of upper limb postoperative for internal fistula pillow |
| CN204636636U (en) * | 2015-05-07 | 2015-09-16 | 山东省立医院 | Multi-functional breathable lower limb cover |
| CN205359743U (en) * | 2016-01-25 | 2016-07-06 | 上海昕健医疗技术有限公司 | External fixator is used in arm bone damage |
| CN205548786U (en) * | 2016-03-14 | 2016-09-07 | 西安交通大学第一附属医院 | Fixed soft pillow of arm is suffered from to mammary gland postoperative |
| CN206275791U (en) * | 2016-07-07 | 2017-06-27 | 朱登嵩 | A kind of anti-deterioration Orthopedic limb fixing device |
| CN206687810U (en) * | 2016-12-16 | 2017-12-01 | 道杰草 | A kind of novel arteriovenous internal fistula protection device |
| CN108158755A (en) * | 2017-12-26 | 2018-06-15 | 刘红坤 | A kind of Multifunctional bone surgical postoperative care stand |
| CN108338875A (en) * | 2018-05-03 | 2018-07-31 | 常州市第人民医院 | A kind of adjustable multifunction hand pad |
| CN208388813U (en) * | 2017-08-23 | 2019-01-18 | 方姣 | A kind of internal arteriovenous fistula keeping device |
| CN209951480U (en) * | 2019-02-26 | 2020-01-17 | 中国医学科学院北京协和医院 | Blood vessel fistula protection pillow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9392874B2 (en) * | 2014-06-11 | 2016-07-19 | David Shaffer | Pressure reducing device |
-
2019
- 2019-02-26 CN CN201910142131.6A patent/CN109893315B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982745A (en) * | 1989-01-17 | 1991-01-08 | Shields Jack C | Self-elevating limb support |
| CN201469481U (en) * | 2009-09-09 | 2010-05-19 | 姜书梅 | Triangular temporary fracture-positioning protector |
| CN201510570U (en) * | 2009-09-18 | 2010-06-23 | 青岛大学医学院附属医院 | Internal fistula protective sleeve |
| CN204521338U (en) * | 2015-02-09 | 2015-08-05 | 绍兴市人民医院 | A kind of upper limb postoperative for internal fistula pillow |
| CN204636636U (en) * | 2015-05-07 | 2015-09-16 | 山东省立医院 | Multi-functional breathable lower limb cover |
| CN205359743U (en) * | 2016-01-25 | 2016-07-06 | 上海昕健医疗技术有限公司 | External fixator is used in arm bone damage |
| CN205548786U (en) * | 2016-03-14 | 2016-09-07 | 西安交通大学第一附属医院 | Fixed soft pillow of arm is suffered from to mammary gland postoperative |
| CN206275791U (en) * | 2016-07-07 | 2017-06-27 | 朱登嵩 | A kind of anti-deterioration Orthopedic limb fixing device |
| CN206687810U (en) * | 2016-12-16 | 2017-12-01 | 道杰草 | A kind of novel arteriovenous internal fistula protection device |
| CN208388813U (en) * | 2017-08-23 | 2019-01-18 | 方姣 | A kind of internal arteriovenous fistula keeping device |
| CN108158755A (en) * | 2017-12-26 | 2018-06-15 | 刘红坤 | A kind of Multifunctional bone surgical postoperative care stand |
| CN108338875A (en) * | 2018-05-03 | 2018-07-31 | 常州市第人民医院 | A kind of adjustable multifunction hand pad |
| CN209951480U (en) * | 2019-02-26 | 2020-01-17 | 中国医学科学院北京协和医院 | Blood vessel fistula protection pillow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109893315A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5918598A (en) | Strapless respiratory facial mask for customizing to the wearer's face | |
| US6533739B1 (en) | Chest brace and method of using same | |
| CA2590844C (en) | An automated massage therapy device for biomechanical rehabilitation massage and method for use | |
| US20130319417A1 (en) | Sleep apnea breathing mask | |
| KR101627486B1 (en) | Headrests for surgery | |
| CN109893315B (en) | Vascular fistula protection device | |
| CN209951480U (en) | Blood vessel fistula protection pillow | |
| CN210932061U (en) | Wound protection device for thoracic surgery | |
| CN206138274U (en) | Massive haemorrhage emergency call bandage | |
| CN210644418U (en) | Mattress for preventing eczema and bedsore | |
| CN209933748U (en) | Alternative inflatable respirator | |
| CN2521993Y (en) | Prone therapeutic pillow | |
| CN215900566U (en) | Fixed safety protection device for hand infusion | |
| CN201101615Y (en) | Therapeutic belt for infantile umbilical hernia | |
| CN216570609U (en) | Portable cervical vertebra fracture nursing neck pillow | |
| CN214970756U (en) | Novel prevent pressing noninvasive face guard of sore leak protection gas | |
| CN219963306U (en) | Prone position ventilation pad | |
| CN219630007U (en) | Multifunctional adjustable inflatable foot ring | |
| CN209187485U (en) | Paediatrics baby head hoist bed | |
| CN212234869U (en) | Orthopedics four limbs postoperative recovery device | |
| CN211244070U (en) | Neonate PICC catheter fixation dressing | |
| CN217138156U (en) | Needle eye pressing belt | |
| CN219423265U (en) | Gasbag massage binder for general surgery nursing | |
| CN219878511U (en) | Protective pad for pressure injury of critically ill patient | |
| CN209075792U (en) | A kind of extracorporeal membrane oxygenation postoperative rehabilitation headgear |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Xiaohu Inventor after: Li Xuemei Inventor before: Shi Xiaohu |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |