CN106074033B - A kind of Mobile medical bed - Google Patents

A kind of Mobile medical bed Download PDF

Info

Publication number
CN106074033B
CN106074033B CN201610418357.0A CN201610418357A CN106074033B CN 106074033 B CN106074033 B CN 106074033B CN 201610418357 A CN201610418357 A CN 201610418357A CN 106074033 B CN106074033 B CN 106074033B
Authority
CN
China
Prior art keywords
bed
mobile
steel ball
plate
bed board
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
CN201610418357.0A
Other languages
Chinese (zh)
Other versions
CN106074033A (en
Inventor
韦登明
汪益
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.)
Ningbo University
Original Assignee
Ningbo University
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 Ningbo University filed Critical Ningbo University
Priority to CN201610418357.0A priority Critical patent/CN106074033B/en
Publication of CN106074033A publication Critical patent/CN106074033A/en
Application granted granted Critical
Publication of CN106074033B publication Critical patent/CN106074033B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1026Sliding sheets or mats
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025Lateral movement of patients, e.g. horizontal transfer
    • A61G7/103Transfer boards
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1032Endless belts

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses a kind of Mobile medical beds, including bed body, the fixed bed board and mobile bed plate that are arranged in bed body, the fixed bed board is equipped at least two row through-holes, the mobile bed plate is erected on fixed bed board, mobile bed plate is equipped at least two crossbeams, and the lower part of crossbeam is equipped with sliding slot, the steel ball being adapted with through-hole is equipped in sliding slot, in the lower part of fixed bed board, the bed body is equipped with the liftout attachment being adapted with steel ball.Beneficial effects of the present invention are clearly:It is simple in structure steady, it has a safety feature, easy to use, working efficiency is high, can be with quick patient transfer and time saving and energy saving between sick bed.

Description

A kind of Mobile medical bed
Technical field
The present invention relates to the technical field of medical instrument, more specifically to a kind of structure of Mobile medical bed.
Background technology
Hospital bed refers to the special sick bed in hospital.When first aid or upper operating table, patient often sick bed it Between shift.Many times, patient is easily injured in the sinews or bones, influences rehabilitation.In transporting patient, medical worker is very careful, Time-consuming and laborious, working efficiency is very low, and sick bed is also using very inconvenient.However the structure of the general hospital bed in the prior art Also it does not solve the above problems effectively.Such as 204814538 U of Chinese patent Authorization Notice No. CN, authorized announcement date 2015 December 02, a kind of entitled hospital bed of innovation and creation, the Patent Case disclose a kind of structure of hospital bed, by bed body, Footpost, mobile bed plate and the isostructural combined innovation of driving mechanism have the body of longitudinally adjusted patient and driving mobile bed plate The function of lifting, alleviates the workload of medical worker, but the Patent Case can only be carried out on bed lifting activity or It is longitudinally adjusted, and patient cannot be carried out shifting between bed and bed, there are inconvenient problems with use.For another example Chinese patent 103654954 B of Authorization Notice No. CN, authorized announcement date on 04 20th, 2016, the entitled hospital bed of innovation and creation, this is specially Sharp case discloses a kind of structure of hospital bed, is by pedestal, mechanical arm linkage unit, bed body moving cell, bed body and control The combined innovation of system, realizing bed body has the function of lifting, 360 degree of rotations and is moved forward and backward, but the Patent Case is still not It can realize movement of the patient between bed body, there are inconvenient problems with use.The present invention passes through bed body, fixed bed board, activity Bed board and the isostructural combined innovation of liftout attachment, provide a kind of simple in structure steady, have a safety feature, easy to use, work It is efficient, it can be with quick patient transfer and time saving and energy saving Mobile medical bed between sick bed.
Invention content
The structure that the present invention solves general hospital bed in the prior art cannot turn without effectively solving patient between sick bed Move, working efficiency is low and inconvenient problem with use, a kind of Mobile medical bed is provided, passes through bed body, fixed bed board, pulldown bed It is simple in structure steady to realize that the Mobile medical bed accessory has, has a safety feature, makes for plate and the isostructural combined innovation of liftout attachment With convenient, working efficiency is high, between sick bed can with quick patient transfer and it is time saving and energy saving the characteristics of.
In order to solve above-mentioned technical problem, the present invention takes following technical proposals:A kind of Mobile medical bed, packet The fixed bed board and mobile bed plate for include bed body, being arranged in bed body, which is characterized in that the fixed bed board is equipped at least two row Through-hole, the mobile bed plate are erected on fixed bed board, and mobile bed plate is equipped at least two crossbeams, and the lower part of crossbeam, which is equipped with, to be slided Slot, sliding slot is interior to be equipped with the steel ball being adapted with through-hole, and in the lower part of fixed bed board, the bed body is equipped with what is be adapted with steel ball Liftout attachment.
By steel ball in the through-hole of fixed bed board, steel ball can be movable in through-holes, then by the activity with crossbeam Bed board is erected on fixed bed board, and the sliding slot of crossbeam is covered in just on the steel ball of each row, and patient is lain on mobile bed plate.When When patient needs to shift between sick bed, start ejecting mechanism, make the upward fine motion of all steel balls, sliding slot is gradually pushed up upwards by steel ball Go out, mobile bed plate is detached with fixed bed board, pulls mobile bed plate, and sliding slot is removed along each row steel ball rolling, and patient is just and living Dynamic bed board is transferred to another and lays on the sick bed of steel ball together.The letter that the present invention is combined by steel ball, through-hole and sliding slot Single structure starts liftout attachment, realizes that the rolling of steel ball and sliding slot connects, when mobile bed plate removes, not only time saving and energy saving, work Make efficient, and the conveniently moving of patient and mobile bed plate, the hospital bed are easy to use.
Preferably, the liftout attachment is made of turntable, feed mechanism, transverse bar, more longitudinal rods and wedge block, institute It is corresponding with steel ball to state wedge block, and is fixed on longitudinal rod, every longitudinal rod is connected with transverse bar, and the feed mechanism is set It puts in bed body, the side of feed mechanism is connected with transverse bar, and the opposite side of feed mechanism is connected with turntable.When in use, turn Turn disk, feed mechanism start to act, and push transverse bar movement, and longitudinal rod is moved with transverse bar so that wedge block moves, wedge shape Block is gradually close with steel ball, and steel ball is pushed to move upwards, and steel ball ejects crossbeam by sliding slot, realizes mobile bed plate and fixed bed Plate detaches, and in the state for rolling connection.The liftout attachment have the characteristics that it is simple in structure and easy to use, and by into To mechanism, the upward fine motion of steel ball can be realized, mobile bed plate moves up in small distance, when being shifted between sick bed, patient Safety it is preferable.
Preferably, the liftout attachment is made of turntable, transmission shaft, cam, at least two pieces ejection transverse slats and connecting rod, The turntable is connected with transmission shaft, and the transmission shaft is arranged in bed body, and is adapted with cam, and cam and ejection transverse slat are close Contact, the ejection transverse slat and connecting rod join end to end, and form frame structure, and be erected at the lower section of fixed bed board, ejection is horizontal Plate is corresponding with each row steel ball.When in use, turntable, transmission shaft rotation are rotated so that cam rotates, due to cam and ejection Transverse slat is in close contact so that the upward fine motion of frame structure of ejection transverse slat and connecting rod, steel ball are ejected upwards, and steel ball jacks up horizontal Beam, so as to fulfill the separation of mobile bed plate and fixed bed board, and in the state for rolling connection.The liftout attachment has structure letter The characteristics of single and easy to use, jacks up steel ball by frame structure, ensure that synchronism that steel ball is ejected and mobile bed plate Levelness, when being shifted between sick bed, the smoothness of patient and safety are preferable.
Preferably, the both ends of the crossbeam are equipped with horn mouth.Bell-mouthed bore is more than the bore of sliding slot, mobile bed plate When being shifted between sick bed, crossbeam is facilitated to be docked with the steel ball on another sick bed, improve working efficiency.
Preferably, the bed body is equipped with multiple location holes, the turntable is equipped with the positioning being adapted with location hole Pin.It in patient transfer or lies in the hospital bed, is required for a stable state, positioning pin and location hole are combined, effectively It ensure that liftout attachment has stable working condition and cut-off state, ensure the safety of patient.
Preferably, the fixed bed board is equipped with the clamping plate being adapted with crossbeam.Clamping plate, it is simple in structure, it effectively prevent Crossbeam and mobile bed plate longitudinal movement, realize hospital bed energy with good stability.
Preferably, the supporting leg of the bed body is equipped with idler wheel.Idler wheel facilitates and is positioned between sick bed.
Preferably, the mobile bed plate is equipped with draw ring.Draw ring, it is simple in structure, facilitate pulling mobile bed plate.
Due to taking above-mentioned technical solution, a kind of Mobile medical bed accessory provided by the invention has such beneficial to effect Fruit:By bed body, fixed bed board, mobile bed plate and the isostructural combined innovation of liftout attachment, provide it is a kind of simple in structure steady, It has a safety feature, easy to use, working efficiency is high, can be with quick patient transfer and time saving and energy saving Mobile medical between sick bed Bed.
Description of the drawings
The first structure diagram of attached drawing 1 for the present invention;
Attached drawing 2 for attached drawing 1 of the present invention A to enlarged drawing;
Attached drawing 3 is the sectional view along A-A of attached drawing 1 of the present invention;
Second structure diagram of the attached drawing 4 for the present invention;
Attached drawing 5 for attached drawing 4 of the present invention B to enlarged drawing;
Attached drawing 6 is the B-B direction sectional view of attached drawing 4 of the present invention.
In figure:1- bed bodies, 2- fixed bed boards, 3- mobile bed plates, 4- crossbeams, 5- steel balls, 6- turntables, 7- transverse bars, 8- are indulged To bar, 9- wedge blocks, 10- transmission shafts, 11- cams, 12- ejection transverse slats, 13- connecting rods, 14- horn mouths, 15- positioning pins, 16- Clamping plate, 17- idler wheels, 18- draw rings.
Specific embodiment
Refering to attached drawing, the present invention is described in further detail.
Embodiment one:With reference to attached drawing 1,2,3, a kind of Mobile medical bed, including bed body 1, the fixation being arranged in bed body 1 Bed board 2 and mobile bed plate 3, fixed bed board 2 are equipped with three row through-holes, and mobile bed plate 3 is erected on fixed bed board 2, mobile bed plate 3 Equipped with three crossbeams 4, the lower part of crossbeam 4 is equipped with sliding slot, the steel ball 5 being adapted with through-hole is equipped in sliding slot, in fixed bed board 2 Lower part, bed body 1 are equipped with the liftout attachment that is adapted with steel ball 5, liftout attachment by turntable 6, feed mechanism, transverse bar 7, more Longitudinal rod 8 and wedge block 9 form, and wedge block 9 is corresponding with steel ball 5, and are fixed on longitudinal rod 8, every longitudinal rod 8 with horizontal stroke It is connected to bar 7, feed mechanism is arranged in bed body 1, and the side of feed mechanism is connected with transverse bar 7, the opposite side of feed mechanism It is connected with turntable 6, the both ends of crossbeam 4 are equipped with horn mouth 14, and bed body 1 is equipped with multiple location holes, and turntable 6 is equipped with and location hole The positioning pin 15 being adapted, fixed bed board 2 are equipped with the clamping plate 16 being adapted with crossbeam 4, and the supporting leg of bed body 1 is equipped with idler wheel 17, mobile bed plate 3 is equipped with draw ring 18.
Embodiment two, with reference to attached drawing 4,5,6, a kind of Mobile medical bed, including bed body 1, the fixation being arranged in bed body 1 Bed board 2 and mobile bed plate 3, fixed bed board 2 are equipped with three row through-holes, and mobile bed plate 3 is erected on fixed bed board 2, mobile bed plate 3 Equipped with three crossbeams 4, the lower part of crossbeam 4 is equipped with sliding slot, the steel ball 5 being adapted with through-hole is equipped in sliding slot, in fixed bed board 2 Lower part, bed body 1 are equipped with the liftout attachment being adapted with steel ball 5, and liftout attachment is by turntable 6, transmission shaft 10,11, three pieces of cam Ejection transverse slat 12 and connecting rod 13 form, turntable 6 is connected with transmission shaft 10, and transmission shaft 10 is arranged in bed body 1, and with cam 11 It being adapted, cam 11 is in close contact with ejection transverse slat 12, ejects transverse slat 12 and connecting rod 13 joins end to end, form frame structure, And the lower section of fixed bed board 2 is erected at, ejection transverse slat 12 is corresponding with each row steel ball 5, and the both ends of crossbeam 4 are equipped with horn mouth 14, bed body 1 is equipped with multiple location holes, and turntable 6 is equipped with the positioning pin 15 being adapted with location hole, and fixed bed board 2 is equipped with The clamping plate 16 being adapted with crossbeam 4, the supporting leg of bed body 1 are equipped with idler wheel 17, and mobile bed plate 3 is equipped with draw ring 18.
Above-described two specific embodiments, are described in detail the present invention.Specific implementation used herein Example is expounded the principle of the present invention and embodiment, and the explanation of embodiment is merely used to help understand the core of the present invention Thought.It should be pointed out that for those skilled in the art, in the premise for not departing from core concept of the present invention Under, can also carry out several modification to the present invention, such as the quantity and steel ball of steel ball and crossbeam, sliding slot and turntable it is specific Technical parameter etc. is modified or claim carries out several combination, it should fall the claims in the present invention protection domain it It is interior.

Claims (6)

1. a kind of Mobile medical bed, including bed body(1), be arranged on bed body(1)On fixed bed board(2)And mobile bed plate(3), It is characterized in that, the fixed bed board(2)It is equipped at least two row through-holes, the mobile bed plate(3)It is erected at fixed bed board(2) On, mobile bed plate(3)Equipped at least two crossbeams(4), crossbeam(4)Lower part be equipped with sliding slot, be equipped in sliding slot and mutually fitted with through-hole The steel ball matched(5), in fixed bed board(2)Lower part, the bed body(1)It is equipped with and steel ball(5)The liftout attachment being adapted;Institute Liftout attachment is stated by turntable(6), transmission shaft(10), cam(11), at least two pieces ejection transverse slats(12)And connecting rod(13)Composition, The turntable(6)With transmission shaft(10)It is connected, the transmission shaft(10)It is arranged on bed body(1)On, and and cam(11)It is adapted, Cam(11)With ejecting transverse slat(12)It is in close contact, the ejection transverse slat(12)And connecting rod(13)It joins end to end, forms frame Structure, and it is erected at fixed bed board(2)Lower section, eject transverse slat(12)With each row steel ball(5)It is corresponding.
A kind of 2. Mobile medical bed according to claim 1, which is characterized in that the crossbeam(4)Both ends be equipped with loudspeaker Mouth(14).
A kind of 3. Mobile medical bed according to claim 1, which is characterized in that the bed body(1)It is multiple fixed to be equipped with Position hole, the turntable(6)It is equipped with the positioning pin being adapted with location hole(15).
A kind of 4. Mobile medical bed according to claim 1, which is characterized in that the fixed bed board(2)Be equipped with Crossbeam(4)The clamping plate being adapted(16).
A kind of 5. Mobile medical bed according to claim 1, which is characterized in that the bed body(1)Supporting leg be equipped with Idler wheel(17).
A kind of 6. Mobile medical bed according to claim 1, which is characterized in that the mobile bed plate(3)It is equipped with and draws Ring(18).
CN201610418357.0A 2016-06-15 2016-06-15 A kind of Mobile medical bed Active CN106074033B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610418357.0A CN106074033B (en) 2016-06-15 2016-06-15 A kind of Mobile medical bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610418357.0A CN106074033B (en) 2016-06-15 2016-06-15 A kind of Mobile medical bed

Publications (2)

Publication Number Publication Date
CN106074033A CN106074033A (en) 2016-11-09
CN106074033B true CN106074033B (en) 2018-06-22

Family

ID=57846221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610418357.0A Active CN106074033B (en) 2016-06-15 2016-06-15 A kind of Mobile medical bed

Country Status (1)

Country Link
CN (1) CN106074033B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106821635B (en) * 2016-12-31 2018-12-18 徐州玖胜医疗器械有限公司 Hospital bed is used in operation
CN106821664B (en) * 2016-12-31 2019-01-15 奉节县人民医院 A kind of operating bed
CN106821663B (en) * 2016-12-31 2018-12-14 徐州玖胜医疗器械有限公司 Hospital bed
CN107638252A (en) * 2017-09-26 2018-01-30 王政 A kind of patient's preoperative and postoperative transporter
CN108261297B (en) * 2018-03-21 2020-12-22 无锡市人民医院 Patient transferring mechanism and transferring method thereof
CN112353587A (en) * 2020-10-24 2021-02-12 张荣琴 Rehabilitation assisting device for medical oncology nursing
CN114010422B (en) * 2021-11-04 2022-11-25 宁波大学 Medical bed capable of weighing excrement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259756A (en) * 1979-08-28 1981-04-07 Pace Paul D Moveable top stretcher
US6584626B1 (en) * 2002-06-24 2003-07-01 Diroma Alex Patient transfer device
FR2871682A1 (en) * 2004-06-16 2005-12-23 R & D Sarl Trolley stretcher for e.g. hospital, has mattress transferring units positioned between rectangular mattress and horizontal layer plate, where mattress is positioned on plate to receive patient
US7478444B1 (en) * 2005-10-26 2009-01-20 James Darrigo Patient transfer device
CN202426763U (en) * 2011-12-15 2012-09-12 安徽医学高等专科学校 Stretcher
CN205964335U (en) * 2016-06-15 2017-02-22 宁波大学 Medical bed

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2534511B1 (en) * 2013-09-20 2016-01-26 Walk On Project SLIDING IRON FOR TRANSFER OF PEOPLE WITH REDUCED MOBILITY CAPACITY

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259756A (en) * 1979-08-28 1981-04-07 Pace Paul D Moveable top stretcher
US6584626B1 (en) * 2002-06-24 2003-07-01 Diroma Alex Patient transfer device
FR2871682A1 (en) * 2004-06-16 2005-12-23 R & D Sarl Trolley stretcher for e.g. hospital, has mattress transferring units positioned between rectangular mattress and horizontal layer plate, where mattress is positioned on plate to receive patient
US7478444B1 (en) * 2005-10-26 2009-01-20 James Darrigo Patient transfer device
CN202426763U (en) * 2011-12-15 2012-09-12 安徽医学高等专科学校 Stretcher
CN205964335U (en) * 2016-06-15 2017-02-22 宁波大学 Medical bed

Also Published As

Publication number Publication date
CN106074033A (en) 2016-11-09

Similar Documents

Publication Publication Date Title
CN106074033B (en) A kind of Mobile medical bed
CN210020033U (en) Bed board convenient for transferring and overturning patient
CN108904176A (en) A kind of bed board for facilitating transfer and overturning patient
CN205964335U (en) Medical bed
CN205831948U (en) Animal surgery simplified operating table
CN207186759U (en) Orthopedic rehabilitation care bed
CN109998797A (en) A kind of Medical transport pushing bed
CN106821663A (en) Hospital bed
CN106821664A (en) A kind of operation table
CN110115665A (en) A kind of Neurology curing hemiparalysis equipment
CN206198193U (en) It is multifunction nursing bed
CN108992254B (en) Internal medicine clinical operation shallow
CN210039227U (en) Philosophy teaching podium with show board
CN213526324U (en) Massage relieving device for respiratory critical patients
CN209122716U (en) A kind of stretcher
CN215503813U (en) Hospital bed and trolley convenient for transferring patients
CN204483473U (en) A kind of detachable combined table and chair assembly possessing drawing function
CN107440859A (en) A kind of care bed for accelerating rehabilitation
CN108261297A (en) A kind of transportation of patients mechanism and its conveyer method
CN209790388U (en) Multifunctional medical acupuncture treatment bed
CN210749635U (en) Anesthesia machine without anesthetic
CN218420262U (en) Nursing bed
CN112587317B (en) Intracardiac branch of academic or vocational study patient nurses transfer device
CN109051046A (en) A kind of full-automation material catching apparatus
CN214073783U (en) Cervical vertebra traction frame

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant