CN113599599B - Drainage bag carrying device for thoracic drainage - Google Patents

Drainage bag carrying device for thoracic drainage Download PDF

Info

Publication number
CN113599599B
CN113599599B CN202111036019.8A CN202111036019A CN113599599B CN 113599599 B CN113599599 B CN 113599599B CN 202111036019 A CN202111036019 A CN 202111036019A CN 113599599 B CN113599599 B CN 113599599B
Authority
CN
China
Prior art keywords
fixedly connected
drainage
drainage bag
wall
mounting groove
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
Application number
CN202111036019.8A
Other languages
Chinese (zh)
Other versions
CN113599599A (en
Inventor
李敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Force Medical University of PLA
Original Assignee
Air Force Medical University of PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Air Force Medical University of PLA filed Critical Air Force Medical University of PLA
Priority to CN202111036019.8A priority Critical patent/CN113599599B/en
Publication of CN113599599A publication Critical patent/CN113599599A/en
Application granted granted Critical
Publication of CN113599599B publication Critical patent/CN113599599B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/10Trunk
    • A61M2210/101Pleural cavity

Landscapes

  • External Artificial Organs (AREA)

Abstract

The invention discloses a drainage bag carrying device for thoracic drainage, which comprises a placing mechanism, wherein the surface of the placing mechanism is fixedly connected with a carrying mechanism, the bottom of the back of the placing mechanism is fixedly connected with a fixing mechanism, a limiting mechanism is arranged in the placing mechanism, and preferably, the placing mechanism comprises a placing box, an observation window is embedded in the front of the placing box, a first mounting groove is formed in the left side of the inner wall of the placing box, a second mounting groove is formed in the right side of the inner wall of the placing box, and connecting rings are fixedly connected to the left side surface and the right side surface of the placing box. In use, the effect of being convenient for carry the chest drainage bag is achieved, so that the chest drainage patient can conveniently move down after operation, the patient can be conveniently reduced to shake violently when carrying the drainage bag, the poor condition that a pipeline is separated due to shaking is avoided, the situation that a soft drainage bag body is extruded is avoided, and the situation that the drained liquid flows back into a cavity to cause injury to the patient is avoided.

Description

Drainage bag carrying device for thoracic drainage
Technical Field
The invention relates to the technical field of medical appliances, in particular to a drainage bag carrying device for chest drainage.
Background
The closed drainage of thoracic cavity is to put one end of the drainage tube into thoracic cavity and the other end is connected into a drainage bottle or drainage bag lower than the drainage tube so as to exhaust gas or collect liquid in thoracic cavity, so that lung tissues are re-opened to restore functions. The medical composition is widely applied to drainage of a blood chest, a pneumothorax and a abscess chest and after thoracotomy, and plays an important role in treating diseases.
The patient needs to go out of bed for examination after operation, and the drainage bag is required to be lifted in the hand during the walking process of the patient, so that the operation is inconvenient, and the patient is inconvenient to carry and walk; meanwhile, the soft drainage bag body is easy to squeeze, so that the drained liquid flows back to the cavity, and the patient is injured; in addition, the patient can shake easily in the process of carrying the drainage bag, and the pipeline is easy to fall off.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a drainage bag carrying device for thoracic drainage, which solves the problems that the existing drainage bag for thoracic drainage is inconvenient to carry and is easy to cause liquid backflow or pipeline separation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a drainage bag carrying device for chest drainage, includes placement mechanism, placement mechanism surface fixedly connected with carries the mechanism, placement mechanism back bottom fixedly connected with fixed establishment, placement mechanism is inside to be equipped with stop gear.
Preferably, the placing mechanism comprises a placing box, an observation window is embedded in the front of the placing box, a first mounting groove is formed in the left side of the inner wall of the placing box, a second mounting groove is formed in the right side of the inner wall of the placing box, connecting rings are fixedly connected to the left side face and the right side face of the placing box, and a first cushion block is fixedly connected to the back of the placing box.
Preferably, the carrying mechanism comprises a first strap, the surface of the first strap is fixedly connected with the surface of the right connecting ring, the end part of the first strap is fixedly connected with a day buckle, the surface of the day buckle is wound with a second strap, the end part of the second strap is fixedly connected with the surface of the left connecting ring, and the surface of the second strap is fixedly connected with a second cushion block.
Preferably, the fixing mechanism comprises a mounting bar, the surface of the mounting bar is fixedly connected with the back of the placement box, and a spring clip is arranged on the surface of the mounting bar.
Preferably, the stop gear is including the traveller, and traveller both ends all with first mounting groove inner wall fixed connection, traveller surface sliding connection has the clamping plate, and clamping plate surface and the equal sliding connection of first mounting groove inner wall and second mounting groove inner wall, clamping plate surface connection has the clamp pad, the pipe socket has been seted up to clamp pad surface, the screw hole has been seted up to clamp plate surface link up, screw hole inner wall threaded connection has the screw thread post, and screw thread post rear end passes through bearing and second mounting groove inner wall rear side rotation connection, and screw thread post front end runs through second mounting groove inner wall front side and extends to the place box outside, and screw thread post front end passes through bearing and second mounting groove inner wall front side rotation connection, screw thread post front end fixedly connected with knob.
Preferably, the observation window is made of transparent acrylic plates, and the placement box is made of medical polyethylene materials.
Preferably, the first cushion block and the second cushion block are made of memory sponge materials.
Preferably, the clamping pad is made of medical silica gel, and the specification of the tube slot is matched with that of the drainage tube.
Preferably, the number of the spring clips is two.
Preferably, the number of the clamping plates, the clamping pads and the threaded holes is two, and the threads on the inner walls of the two threaded holes are opposite in screwing direction.
Compared with the prior art, the invention has the beneficial effects that:
1. this drainage bag carrying device for chest drainage places the drainage bag in place inside the box, through go-between, first braces and second braces cooperation, can be with the device inclined at patient's shoulder, detain through the day and to place box height adjustment to the drainage bag height is adjusted, can carry the drainage bag, has realized the effect of being convenient for carry the chest drainage bag in use, thereby makes things convenient for chest drainage patient postoperative to get off the bed to move about.
2. This drainage bag carrying device for chest drainage, it is cliied patient's clothing through the spring clamp to carry out spacingly to the device, through rotating the knob, thereby drive the screw thread post and rotate, thereby drive two clamping plates and clamp and fill up and be close to each other, make clamp pad to the drainage bag sack department press from both sides tightly, the drainage tube is blocked at the tube socket inside this moment, thereby prevent that the drainage bag from rocking by a wide margin, in use has realized being convenient for produce the effect that violently rocks when reducing patient and carrying the drainage bag, avoided leading to the poor condition that the pipeline breaks away from because of rocking.
3. This drainage bag carrying device for thorax drainage is through placing the drainage bag in the box inside of placing of polyethylene material to protect the drainage bag, avoided the soft drainage bag body to be pressed the condition, thereby avoided the liquid that the drainage comes out to flow back to in the cavity and cause the injury to the patient.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
FIG. 3 is a top plan view of the structure of the present invention;
fig. 4 is a front cross-sectional view of a partial structure of the present invention.
In the figure: the device comprises a placing mechanism 1, a placing box 101, a viewing window 102, a first mounting groove 103, a second mounting groove 104, a connecting ring 105, a first cushion block 106, a carrying mechanism 2, a first back strap 201, a day buckle 202, a second back strap 203, a second cushion block 204, a fixing mechanism 3, a mounting bar 301, a spring clip 302, a limiting mechanism 4, a sliding column 401, a clamping plate 402, a clamping pad 403, a pipe groove 404, a threaded hole 405, a threaded column 406 and a knob 407.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-4, a drainage bag carrying device for thoracic drainage comprises a placement mechanism 1, wherein the placement mechanism 1 comprises a placement box 101, the placement box 101 is made of medical polyethylene material, the medical polyethylene is plastic polymerized by ethylene, has excellent mechanical strength and biocompatibility, is nontoxic, easy to color, good in chemical stability, cold-resistant and radiation-resistant, can play a better role in protecting the drainage bag, an observation window 102 is embedded in the front of the placement box 101, the observation window 102 is made of transparent acrylic plate material, drainage liquid can be observed through the observation window 102, a first mounting groove 103 is formed in the left side of the inner wall of the placement box 101, a second mounting groove 104 is formed in the right side of the inner wall of the placement box 101, a connecting ring 105 is fixedly connected to the left side surface and the right side surface of the placement box 101, a first cushion block 106 is fixedly connected to the back of the placement box 101, the first cushion block 106 is made of memory sponge materials, the patient body is more comfortable when contacting the device by arranging the first cushion block 106, and shaking caused by patient walking on the device can be reduced, the carrying mechanism 2 is fixedly connected with the surface of the placing mechanism 1, the carrying mechanism 2 comprises a first brace 201, the surface of the first brace 201 is fixedly connected with the surface of the right connecting ring 105, the end part of the first brace 201 is fixedly connected with a day buckle 202, the surface of the day buckle 202 is wound with a second brace 203, the end part of the second brace 203 is fixedly connected with the surface of the left connecting ring 105, the surface of the second brace 203 is fixedly connected with a second cushion block 204, the bottom of the back of the placing mechanism 1 is fixedly connected with the fixing mechanism 3, the fixing mechanism 3 comprises a mounting strip 301, the surface of the mounting strip 301 is fixedly connected with the back of the placing box 101, the surface of the mounting strip 301 is provided with spring clips 302, the number of the spring clips 302 is two, the inside stop gear 4 that is equipped with of placing mechanism 1, stop gear 4 is including the traveller 401, and traveller 401 both ends all with first mounting groove 103 inner wall fixed connection, traveller 401 surface sliding connection has clamping plate 402, and clamping plate 402 surface and first mounting groove 103 inner wall and second mounting groove 104 inner wall all sliding connection, clamping plate 402 surface connection has clamping pad 403, clamping pad 403 adopts medical silica gel material to make, make the touch to drainage bag surface more closely, clamping pad 403 surface has seted up tube slot 404, tube slot 404 specification and drainage tube specification looks adaptation, through setting up tube slot 404, prevent to cause the jam to the drainage tube, clamping plate 402 surface has link up and has seted up screw hole 405, clamping plate 402, clamping pad 403 and screw hole 405 quantity is two, and the screw thread of two screw hole 405 inner walls revolves to opposite, through setting up the screw thread revolve to opposite of two screw holes 405, the two clamping plates 402 can move oppositely or back to clamp the drainage bag, the inner wall of the threaded hole 405 is in threaded connection with a threaded column 406, the rear end of the threaded column 406 is rotationally connected with the rear side of the inner wall of the second mounting groove 104 through a bearing, the front end of the threaded column 406 penetrates through the front side of the inner wall of the second mounting groove 104 and extends to the outside of the placement box 101, the front end of the threaded column 406 is rotationally connected with the front side of the inner wall of the second mounting groove 104 through a bearing, the front end of the threaded column 406 is fixedly connected with a knob 407, the chest drainage bag is carried by the drainage bag carrying device, the drainage bag is placed in the placement box 101, the device can be obliquely arranged on the shoulder of a patient through the cooperation of the connecting ring 105, the first suspender 201 and the second suspender 203, the height of the placement box 101 is adjusted through the day buckle 202, the height of the drainage bag is adjusted, the drainage bag can be carried, the effect of being convenient for carrying the chest drainage bag is realized in use, thereby make things convenient for chest drainage patient postoperative bed to move about, clip patient's clothing through spring clamp 302, thereby carry out spacingly to the device, through rotating knob 407, thereby drive screw thread post 406 and rotate, thereby drive two clamping plates 402 and clamp pad 403 and be close to each other, make clamp pad 403 press from both sides drainage bag sack department, the drainage tube is blocked in tube socket 404 inside this moment, thereby prevent that the drainage bag from rocking by a wide margin, the effect of producing violent rocking when being convenient for reduce patient and carrying the drainage bag has been realized in use, the poor condition that leads to the pipeline to break away from because of rocking has been avoided, place the drainage bag inside the box 101 through placing the drainage bag in polyethylene material, thereby protect the drainage bag, avoided soft drainage bag body to be extruded the condition, thereby avoided the liquid that the drainage comes back to the cavity in and cause the injury to the patient.
When in use: placing the box 101 inside with the drainage bag, through go-between 105, first braces 201 and second braces 203 cooperation, can be with the device shoulder at the patient, highly adjust placing the box 101 through the day knot 202, clip patient's clothing through spring clamp 302, thereby spacing the device, through rotating knob 407, thereby drive screw thread post 406 and rotate, thereby drive two clamping plates 402 and clamp pad 403 and be close to each other, make clamp pad 403 clamp drainage bag sack department, the drainage tube is blocked inside tube groove 404 this moment, can accomplish and carry the drainage bag.
To sum up, this drainage bag carrying device for chest drainage places the drainage bag in and places box 101 inside, through go-between 105, first braces 201 and second braces 203 cooperation, can be with the device inclined at patient's shoulder, highly adjust placing box 101 through day knot 202, thereby adjust drainage bag height, can carry the drainage bag, in use, the effect of being convenient for carry the chest drainage bag, thereby make things convenient for chest drainage patient postoperative to go down the bed and move about, carry patient's clothing through spring clamp 302, thereby carry the device spacing, through rotating knob 407, thereby drive screw thread post 406 and rotate, thereby drive two clamping plates 402 and clamp pad 403 and be close to each other, make clamp pad 403 clamp to drainage bag sack pocket mouth department, the drainage tube is blocked in pipe groove 404 inside this moment, thereby prevent that the drainage bag from rocking by a wide margin, in use has realized the effect of being convenient for reducing that the patient carries the drainage bag and produce violent rocking, avoid leading to the poor condition that the pipeline breaks away from because of rocking, place the drainage bag in the box 101 inside of polyethylene material, thereby carry the drainage bag to protect the drainage bag, the soft drainage bag body has been carried by the drainage bag, the problem of the drainage bag has been avoided the extrusion that the drainage bag is carried back to the chest cavity by the extrusion to the internal side of the drainage that causes the easy problem of the drainage bag, the problem has avoided that the drainage bag was difficult to be carried out to the drainage cavity of the chest.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 a drainage bag carrying device for thoracic drainage, includes placement mechanism (1), its characterized in that, placement mechanism (1) surface fixedly connected with carries mechanism (2), placement mechanism (1) back bottom fixedly connected with fixed establishment (3), placement mechanism (1) inside is equipped with stop gear (4);
the placement mechanism (1) comprises a placement box (101), an observation window (102) is embedded in the front of the placement box (101), a first mounting groove (103) is formed in the left side of the inner wall of the placement box (101), a second mounting groove (104) is formed in the right side of the inner wall of the placement box (101), connecting rings (105) are fixedly connected to the left side face and the right side face of the placement box (101), and a first cushion block (106) is fixedly connected to the back of the placement box (101); the limiting mechanism (4) comprises a sliding column (401), two ends of the sliding column (401) are fixedly connected with the inner wall of the first mounting groove (103), the surface of the sliding column (401) is slidably connected with a clamping plate (402), the surface of the clamping plate (402) is slidably connected with the inner wall of the first mounting groove (103) and the inner wall of the second mounting groove (104), the surface of the clamping plate (402) is connected with a clamping pad (403), a pipe groove (404) is formed in the surface of the clamping pad (403), a threaded hole (405) is formed in the surface of the clamping plate (402) in a penetrating mode, a threaded column (406) is connected with the inner wall of the threaded hole (405) in a threaded mode, the rear end of the threaded column (406) is rotatably connected with the rear side of the inner wall of the second mounting groove (104) through a bearing, the front end of the threaded column (406) penetrates through the front side of the inner wall of the second mounting groove (104) and extends to the outside of the placement box (101), the front end of the threaded column (406) is rotatably connected with the front side of the inner wall of the second mounting groove (104) through a bearing, and the front end of the threaded column (406) is fixedly connected with a knob (407); the number of the clamping plates (402), the clamping pads (403) and the threaded holes (405) is two, and the threads on the inner walls of the two threaded holes (405) are opposite in screwing direction.
2. The drainage bag carrying device for thoracic drainage according to claim 1, wherein the carrying mechanism (2) comprises a first strap (201), the surface of the first strap (201) is fixedly connected with the surface of the right connecting ring (105), a day buckle (202) is fixedly connected to the end portion of the first strap (201), a second strap (203) is wound on the surface of the day buckle (202), the end portion of the second strap (203) is fixedly connected with the surface of the left connecting ring (105), and a second cushion block (204) is fixedly connected to the surface of the second strap (203).
3. The drainage bag carrying device for thoracic drainage according to claim 2, wherein the fixing mechanism (3) comprises a mounting strip (301), the surface of the mounting strip (301) is fixedly connected with the back of the placement box (101), and a spring clip (302) is arranged on the surface of the mounting strip (301).
4. The drainage bag carrying device for thoracic drainage according to claim 1, wherein the observation window (102) is made of a transparent acrylic plate material, and the placement box (101) is made of a medical polyethylene material.
5. The drainage bag carrying device for thoracic drainage according to claim 2, wherein the first pad (106) and the second pad (204) are made of a memory sponge material.
6. The drainage bag carrying device for thoracic drainage according to claim 1, wherein the clamping pad (403) is made of medical silica gel material, and the specification of the tube groove (404) is adapted to the specification of the drainage tube.
7. A drainage bag carrying device for thoracic drainage according to claim 3, wherein the number of the spring clips (302) is two.
CN202111036019.8A 2021-09-06 2021-09-06 Drainage bag carrying device for thoracic drainage Active CN113599599B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111036019.8A CN113599599B (en) 2021-09-06 2021-09-06 Drainage bag carrying device for thoracic drainage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111036019.8A CN113599599B (en) 2021-09-06 2021-09-06 Drainage bag carrying device for thoracic drainage

Publications (2)

Publication Number Publication Date
CN113599599A CN113599599A (en) 2021-11-05
CN113599599B true CN113599599B (en) 2023-09-22

Family

ID=78342645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111036019.8A Active CN113599599B (en) 2021-09-06 2021-09-06 Drainage bag carrying device for thoracic drainage

Country Status (1)

Country Link
CN (1) CN113599599B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209032944U (en) * 2018-07-16 2019-06-28 重庆市璧山区人民医院 A kind of hospital bed drainage bottle bogey
CN213249568U (en) * 2020-08-19 2021-05-25 柳小军 Mammary abscess puncture drainage device
CN113171501A (en) * 2021-04-21 2021-07-27 南京市中西医结合医院 Drainage protection and fixing device for postoperative care

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203989172U (en) * 2014-08-19 2014-12-10 何勤 Drainage bag carries bag from bed
CN204814989U (en) * 2015-05-29 2015-12-02 王福红 Carry package of drainage bottle or drainage bag
CN208065502U (en) * 2017-04-28 2018-11-09 中国人民解放军南京军区福州总医院 A kind of carry bag of thoracic duction instrument
CN209286264U (en) * 2018-04-09 2019-08-23 长兴县中医院 A kind of portable fixing bag of disposable thoracic drainage device
CN209286267U (en) * 2018-06-25 2019-08-23 中国人民解放军陆军军医大学第三附属医院(野战外科研究所) The Portable drainage bag suspension apparatus of function is closed with folder
CN211068294U (en) * 2019-11-14 2020-07-24 江苏省人民医院(南京医科大学第一附属医院) Portable drainage bag satchel
CN211863435U (en) * 2019-12-24 2020-11-06 天津市第一中心医院 Surgery postoperative patient braces formula drainage bag fixing device
CN213284693U (en) * 2020-06-17 2021-05-28 中国人民解放军联勤保障部队第九二〇医院 Drainage bag protection device
CN213723919U (en) * 2020-09-28 2021-07-20 郑州大学 Portable drainage device
CN213608729U (en) * 2020-10-29 2021-07-06 自贡市第三人民医院 Drainage bag fixing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209032944U (en) * 2018-07-16 2019-06-28 重庆市璧山区人民医院 A kind of hospital bed drainage bottle bogey
CN213249568U (en) * 2020-08-19 2021-05-25 柳小军 Mammary abscess puncture drainage device
CN113171501A (en) * 2021-04-21 2021-07-27 南京市中西医结合医院 Drainage protection and fixing device for postoperative care

Also Published As

Publication number Publication date
CN113599599A (en) 2021-11-05

Similar Documents

Publication Publication Date Title
CN205411244U (en) Clinical laboratory uses hemostasis device
CN204016576U (en) Orthopaedics fixes Chinese medicament hot compress device
CN113599599B (en) Drainage bag carrying device for thoracic drainage
CN209575352U (en) A kind of drainage of cerebrospinal fluid device
CN2817849Y (en) Fixer of drainage urine bottle
CN209490155U (en) A kind of simple type Urinal for man
CN209204213U (en) A kind of guiding device for after thyroid operation
CN109731164A (en) Drain ball fixing device
CN213698173U (en) Fixing device of medical head operation drainage ware
CN213642744U (en) Clinical interventional therapy pipe fixing device of medical oncology
CN208659669U (en) A kind of spliced bone fracture fixation plate of orthopaedics
CN209237123U (en) One kind is postoperative to fix waistband with drainage tube and drainage bag
CN209091958U (en) Infant's prone-position ventilation pillow
CN215459179U (en) Clinical catheterization device of uropoiesis surgery
CN211932747U (en) Cervical cancer postoperative is with novel nursing clothes
CN213048824U (en) Inflatable adjustable tracheotomy fixing band
CN216169309U (en) Fixed stomach tube slippage device area
CN220237426U (en) Simple drainage bag
CN214595839U (en) Blood pressure cuff with fixing function
CN215309489U (en) Drainage tube with anti-slip structure
CN213099778U (en) Clinical general drainage tube fixed band
RU206627U1 (en) Dental retractor
CN215274098U (en) Head fixing device is used in department of stomatology nursing
CN107812268A (en) A kind of Portable medical infusion support
CN220125187U (en) Drainage storage bag

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
GR01 Patent grant
GR01 Patent grant