CN109009491B - Medical cleaning machine stable in operation - Google Patents

Medical cleaning machine stable in operation Download PDF

Info

Publication number
CN109009491B
CN109009491B CN201810605038.XA CN201810605038A CN109009491B CN 109009491 B CN109009491 B CN 109009491B CN 201810605038 A CN201810605038 A CN 201810605038A CN 109009491 B CN109009491 B CN 109009491B
Authority
CN
China
Prior art keywords
cleaning
positioning
cabin
medical
roller
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
CN201810605038.XA
Other languages
Chinese (zh)
Other versions
CN109009491A (en
Inventor
王鹏程
张聪
张婧
刘霞
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.)
Laoken Medical Technology Co Ltd
Original Assignee
Laoken Medical Technology Co Ltd
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 Laoken Medical Technology Co Ltd filed Critical Laoken Medical Technology Co Ltd
Priority to CN201810605038.XA priority Critical patent/CN109009491B/en
Publication of CN109009491A publication Critical patent/CN109009491A/en
Application granted granted Critical
Publication of CN109009491B publication Critical patent/CN109009491B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/70Cleaning devices specially adapted for surgical instruments

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention relates to the technical field of medical equipment, in particular to a medical cleaning machine with stable work, which comprises a machine body and a cleaning frame, wherein a cleaning cabin is arranged in the machine body, the cleaning frame is arranged in the cleaning cabin, a flushing mechanism is arranged in the cleaning cabin, a plurality of fixing columns are uniformly arranged on the side walls of two sides of the cleaning cabin respectively, sliding rollers are sleeved on the fixing columns, at least one positioning mechanism is also arranged on the side walls of two sides of the cleaning cabin respectively, and each positioning mechanism comprises a baffle plate, a movable plate, a positioning piece and two fixing columns. The medical cleaning machine is simple in structure and convenient and fast to use, the positioning device is optimally arranged, the working stability of the medical cleaning machine is improved, the cleaning frame is stably positioned and fixed in the cleaning cabin, and the problem that the cleaning frame shakes and moves to cause alarm parking of equipment due to water flow impact in the cleaning and disinfection process is avoided, so that the normal use is influenced.

Description

Medical cleaning machine stable in operation
Technical Field
The invention relates to the technical field of medical equipment, in particular to a medical cleaning machine which works stably.
Background
The medical cleaning machine is mainly used for cleaning and disinfecting medical instruments, surgical instruments and utensils can be placed in a cleaning cabin for high-pressure washing during cleaning, and blood stains, stains and the like on the surgical instruments and the utensils can be washed away under the action of the high-pressure spray head. In the existing medical cleaning machine, a safety early warning system is additionally arranged to ensure the normal operation of the cleaning and disinfection process, the cleaning frame is pushed into the cleaning cabin, and after reaching the position, the position of the cleaning frame is automatically locked by utilizing a limiting device, so that the position of the cleaning frame is ensured to be accurate and the cleaning frame is stably connected with the cabin. The structure of the existing limiting device is basically of a spring elastic sheet structure, the material and the shape of an elastic sheet seriously affect the action of the positioning device, the spring elastic sheet is used for a period of time, deformation occurs, the elasticity is reduced, the limiting device is caused to lose effectiveness indirectly, the limiting effect on a cleaning frame cannot be achieved, equipment is caused to shake in the working process, the unstable positioning of the cleaning frame is caused to trigger a safety early warning system, an alarm state occurs, and the normal use of the equipment is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a medical cleaning machine which works stably, through optimally setting a positioning device, the working stability of the medical cleaning machine is improved, a cleaning frame is stably positioned and fixed in a cleaning cabin, and the problem that the cleaning frame shakes and moves to cause the alarm and stop of equipment due to water flow impact in the cleaning and disinfection process is avoided, so that the normal use is influenced.
The purpose of the invention is realized by the following technical scheme:
a medical cleaning machine stable in work comprises a machine body and a cleaning frame, wherein the cleaning frame is used for placing medical instruments to be cleaned, a cleaning cabin is arranged in the machine body, the cleaning frame is arranged in the cleaning cabin, a flushing mechanism is arranged in the cleaning cabin and used for flushing the medical instruments on the cleaning frame, a plurality of fixing columns are uniformly arranged on the side walls of the two sides of the cleaning cabin respectively, sliding rollers are sleeved on the fixing columns and are in contact with the bottom of the cleaning frame, the cleaning frame can enter or exit the cleaning cabin through sliding on the sliding rollers, at least one positioning mechanism is further arranged on the side walls of the two sides of the cleaning cabin respectively and comprises a baffle, a movable plate, a positioning piece and two fixing columns, the baffle is arranged on the side wall of the cleaning cabin, a cavity is arranged in the side wall of the baffle corresponding to the cleaning cabin, the utility model discloses a cleaning rack, including wash tank, fly leaf, fixed column, elastic component, setting element, setting piece and movable column, fly leaf and fixed column are provided with the cavity respectively in, be provided with two through-holes on the fly leaf, the fixed column passes the through-hole, and the one end and the cavity inner wall of fixed column are connected, and the other end and the baffle of fixed column are connected, still overlap on the fixed column and be equipped with the elastic component, the fly leaf sets up between elastic component and baffle, the elastic component is used for pushing the fly leaf to the baffle, the setting element sets up on one side lateral wall that the fly leaf is close to.
Further, the positioning piece is a positioning roller. In the actual use process, the medical instrument to be cleaned is placed on the cleaning frame, then the cleaning frame is pushed into the cleaning cabin, and the sliding rollers are respectively arranged on the side walls of the two sides of the cleaning cabin to form the sliding guide rail of the cleaning frame, so that the bottom of the cleaning frame only generates rolling friction with the sliding rollers in the pushing or withdrawing process, the friction coefficient is greatly reduced, and the convenience of movement of the cleaning frame is improved; and push the cleaning cabin completely at the wash rack, when reacing the cleaning and disinfection position, the position of positioning roller just corresponding with the constant head tank, positioning mechanism's elastic component pushes the positioning roller into the constant head tank, realize the stable fixed of wash rack, avoid the wash rack to rock the aversion in the cleaning and disinfection process, thereby improve the job stabilization nature of medical cleaning machine, avoid in the cleaning and disinfection process, because water impact causes the wash rack to rock the aversion and cause the problem that equipment reported to the police and parks, normal use has been influenced.
Further, the positioning mechanism further comprises a roller shaft, the movable plate is further provided with a first roller groove and a pair of fixing plates respectively, the fixing plates are arranged on two sides of the first roller groove respectively, the positioning roller sleeves are arranged on the roller shaft, two ends of the roller shaft are connected with the fixing plates respectively, and the positioning roller penetrates through the first roller groove and the second roller groove respectively.
Further, the through holes are respectively arranged on two sides of the first roller groove.
Further, the fixing plate is disposed between the first roller groove and the through hole. In the in-service use process, in order to realize pushing in or withdrawing from the cleaning rack, thrust needs to be applied to the cleaning rack, the side wall of the cleaning rack is forced to push the positioning roller into the cavity, so that the cleaning rack is smoothly pushed in or withdrawn, and meanwhile, the positioning roller can rotate around the roller shaft, so that the positioning roller and the side wall of the cleaning rack only generate rolling friction, the friction coefficient is greatly reduced, and the convenience for moving the cleaning rack is improved.
Further, the surface of the positioning roller is provided with a flexible buffer layer. The flexible buffer layer is arranged on the surface of the positioning roller, so that the positioning piece is prevented from being in hard contact with the inner wall of the positioning groove, the loss of the equipment is reduced, and the service life of the equipment is prolonged.
Furthermore, the fixed columns are uniformly arranged in a row on the side wall of one side of the cleaning cabin, and the sliding rollers sleeved on the fixed columns form a sliding guide rail of the cleaning rack. The fixed columns are evenly arranged on the side wall of one side of the cleaning cabin to form a row, so that the sliding idler wheels arranged on the fixed columns in a sleeved mode form the sliding guide rails of the cleaning rack, the sliding guide rails are used for pushing the cleaning rack or withdrawing the cleaning rack to provide a running track, convenience of the cleaning rack entering the cleaning cabin is improved, manpower is saved, and working efficiency is improved.
Further, the elastic member is normally in a compressed state. Through setting the elastic component to the normality and being the compression state for the elastic component exerts thrust to the setting element always, guarantees positioning mechanism's job stabilization nature.
The invention has the beneficial effects that: the medical cleaning machine is simple in structure and convenient and fast to use, the positioning device is optimally arranged, the working stability of the medical cleaning machine is improved, the cleaning frame is stably positioned and fixed in the cleaning cabin, and the problem that the cleaning frame shakes and moves to cause alarm parking of equipment due to water flow impact in the cleaning and disinfection process is avoided, so that the normal use is influenced.
Drawings
FIG. 1 is a schematic view of the medical cleaning machine according to the present invention;
FIG. 2 is a cross-sectional view of the medical cleaning machine of the present invention;
FIG. 3 is a partial schematic view of the invention at A of FIG. 2;
FIG. 4 is a schematic structural diagram of the positioning mechanism of the present invention;
FIG. 5 is a front view of the positioning mechanism of the present invention;
FIG. 6 is a top view of the positioning mechanism of the present invention;
in the figure, 1-machine body, 2-cleaning cabin, 3-cleaning rack, 4-flushing mechanism, 5-fixed column, 6-sliding roller, 7-cavity, 8-positioning mechanism, 9-positioning groove, 10-baffle, 11-movable plate, 12-positioning piece, 13-two fixed columns, 14-elastic piece, 15-roller shaft and 16-fixed plate.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 6, a medical cleaning machine with stable work comprises a machine body 1 and a cleaning frame 3, wherein the cleaning frame 3 is used for placing medical instruments to be cleaned, a cleaning cabin 2 is arranged in the machine body 1, the cleaning frame 3 is arranged in the cleaning cabin 2, a flushing mechanism 4 is arranged in the cleaning cabin 2, the flushing mechanism 4 is used for flushing the medical instruments on the cleaning frame 3, a plurality of fixing columns 5 are respectively and uniformly arranged on the side walls of the two sides of the cleaning cabin 2, sliding rollers 6 are sleeved on the fixing columns 5, the sliding rollers 6 are in contact connection with the bottom of the cleaning frame 3, the cleaning frame 3 can enter or exit the cleaning cabin 2 through sliding on the sliding rollers 6, at least one positioning mechanism 8 is further respectively arranged on the side walls of the two sides of the cleaning cabin 2, and each positioning mechanism 8 comprises a baffle 10, a movable plate 11, a movable plate 12, and a positioning piece, And two fixing posts 13, the baffle 10 is arranged on the side wall of the cleaning cabin 2, a cavity 7 is arranged in the side wall of the baffle 10 corresponding to the cleaning cabin 2, the movable plate 11 and the fixed column 13 are respectively arranged in the cavity 7, two through holes are arranged on the movable plate 11, the fixed column 13 passes through the through holes, one end of a fixed column 13 is connected with the inner wall of the cavity 7, the other end of the fixed column 13 is connected with the baffle plate 10, an elastic piece 14 is sleeved on the fixed column 13, the movable plate 11 is disposed between the elastic member 14 and the barrier 10, the elastic member 14 serves to push the movable plate 11 toward the barrier 10, the positioning piece 12 is arranged on the side wall of the movable plate 11 close to the cleaning cabin 2, the baffle plate 10 is provided with a second roller groove, the positioning piece 12 penetrates through the second roller groove, and positioning grooves 9 matched with the positioning piece 12 are formed in the side walls of the two sides of the cleaning frame 3.
Specifically, the positioning member 12 is a positioning roller. In the actual use process, the medical apparatus to be cleaned is placed on the cleaning frame 3, then the cleaning frame 3 is pushed into the cleaning cabin 2, and the sliding rollers 6 are respectively arranged on the side walls of the two sides of the cleaning cabin 2 to form the sliding guide rail of the cleaning frame 3, so that the bottom of the cleaning frame 3 only generates rolling friction with the sliding rollers 6 in the pushing or withdrawing process of the cleaning frame 3, the friction coefficient is greatly reduced, and the convenience in moving the cleaning frame 3 is improved; and in wash rack 3 pushed into washing cabin 2 completely, when reacing the cleaning and disinfection position, the position of positioning roller just corresponding with constant head tank 9, positioning mechanism 8's elastic component 14 pushes positioning roller into constant head tank 9, realize the stable fixed of wash rack 3, avoid wash rack 3 to rock the aversion at the cleaning and disinfection in-process, thereby improve the job stabilization nature of medical cleaning machine, avoid in the cleaning and disinfection process, because water impact causes wash rack 3 to rock the aversion and cause the problem that equipment reported to the police and parks, normal use has been influenced.
Specifically, the positioning mechanism 8 further includes a roller shaft 15, the movable plate 11 is further provided with a first roller groove and a pair of fixing plates 16, the fixing plates 16 are respectively disposed on two sides of the first roller groove, the positioning roller is sleeved on the roller shaft 15, two ends of the roller shaft 15 are respectively connected with the fixing plates 16, and the positioning roller passes through the first roller groove and the second roller groove respectively.
Specifically, the through holes are respectively arranged on two sides of the first roller groove.
Specifically, the fixing plate 16 is disposed between the first roller groove and the through hole. In the actual use process, in order to push or withdraw the cleaning frame 3, thrust needs to be applied to the cleaning frame 3 to force the side wall of the cleaning frame 3 to push the positioning roller into the cavity 7, so that the cleaning frame 3 can be smoothly pushed or withdrawn, and meanwhile, the positioning roller can rotate around the roller shaft 15, so that the positioning roller and the side wall of the cleaning frame 3 only generate rolling friction, the friction coefficient is greatly reduced, and the convenience for moving the cleaning frame 3 is improved.
Specifically, the surface of the positioning roller is provided with a flexible buffer layer. Through being provided with flexible buffer layer on the surface at the location gyro wheel, avoid setting element 12 and constant head tank 9 inner wall hard contact to reduce the loss of equipment, prolong the life of equipment.
Specifically, the fixed columns 5 are uniformly arranged in a row on the side wall of one side of the cleaning cabin 2, and the sliding rollers 6 sleeved on the fixed columns 5 form a sliding guide rail of the cleaning rack. Through evenly setting up fixed column 5 on the lateral wall of one side of cleaning chamber 2 and arranging into a row for the slip gyro wheel 6 of cover on fixed column 5 constitutes the sliding guide of wash rack 3, utilizes sliding guide to provide the orbit for pushing into or withdrawing from of wash rack 3, improves the convenience that wash rack 3 got into cleaning chamber 2, uses manpower sparingly, improves work efficiency.
Specifically, the spring 14 is normally in a compressed state. By setting the elastic member 14 to be in a compressed state normally, the elastic member 14 always applies a thrust to the positioning member 12, and the working stability of the positioning mechanism 8 is ensured.
When the medical cleaning rack is used, medical instruments to be cleaned are placed on the cleaning rack 3, then the cleaning rack 3 is pushed into the cleaning cabin 2, and the sliding rollers 6 are respectively arranged on the side walls of the two sides of the cleaning cabin 2 to form the sliding guide rail of the cleaning rack 3, so that the bottom of the cleaning rack 3 only generates rolling friction with the sliding rollers 6 in the pushing or withdrawing process of the cleaning rack 3, the friction coefficient is greatly reduced, and the convenience in moving the cleaning rack 3 is improved; when the cleaning frame 3 is completely pushed into the cleaning cabin 2 and reaches the cleaning and disinfecting position, the position of the positioning roller is just corresponding to the positioning groove 9, the elastic part 14 of the positioning mechanism 8 pushes the positioning roller into the positioning groove 9, so that the stable fixation of the cleaning frame 3 is realized, and the cleaning frame 3 is prevented from shaking and shifting in the cleaning and disinfecting process; and in the process of pushing in or withdrawing from the cleaning frame 3, thrust is applied to the cleaning frame 3 to force the side wall of the cleaning frame 3 to push the positioning roller into the cavity 7, so that the cleaning frame 3 is pushed in or withdrawn smoothly, and meanwhile, as the positioning roller can rotate around the roller shaft 15, the positioning roller and the side wall of the cleaning frame 3 only generate rolling friction, the friction coefficient is greatly reduced, and the convenience of movement of the cleaning frame is improved.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A medical cleaning machine stable in work is characterized by comprising a machine body and a cleaning frame, wherein the cleaning frame is used for placing medical instruments to be cleaned, a cleaning cabin is arranged in the machine body, the cleaning frame is arranged in the cleaning cabin, a flushing mechanism is arranged in the cleaning cabin and used for flushing the medical instruments on the cleaning frame, a plurality of fixing columns are uniformly arranged on the side walls of the two sides of the cleaning cabin respectively, sliding rollers are sleeved on the fixing columns and are in contact with the bottom of the cleaning frame, the cleaning frame can enter or exit the cleaning cabin through sliding on the sliding rollers, at least one positioning mechanism is further arranged on the side walls of the two sides of the cleaning cabin respectively, each positioning mechanism comprises a baffle, a movable plate, a positioning piece and two fixing columns, the baffle is arranged on the side wall of the cleaning cabin, and a cavity is arranged in the side wall of the baffle corresponding to the cleaning cabin, the cleaning device comprises a movable plate, a fixed column, a baffle plate, a positioning piece and a cleaning frame, wherein the movable plate and the fixed column are respectively arranged in cavities, two through holes are formed in the movable plate, the fixed column penetrates through the through holes, one end of the fixed column is connected with the inner wall of the cavity, the other end of the fixed column is connected with the baffle plate, an elastic piece is further sleeved on the fixed column, the movable plate is arranged between the elastic piece and the baffle plate, the elastic piece is used for pushing the movable plate to the baffle plate, the positioning piece is arranged on the side wall, close to the cleaning cabin, of one side of the movable plate, a second roller groove is; the positioning piece is a positioning roller; the positioning mechanism further comprises a roller shaft, a first roller groove and a pair of fixing plates are further arranged on the movable plate respectively, the fixing plates are arranged on two sides of the first roller groove respectively, the positioning roller sleeves are arranged on the roller shaft, two ends of the roller shaft are connected with the fixing plates respectively, and the positioning roller penetrates through the first roller groove and the second roller groove respectively.
2. The medical cleaning machine with stable working according to claim 1, wherein the through holes are respectively provided at both sides of the first roller groove.
3. The medical cleaning machine according to claim 2, wherein the fixing plate is disposed between the first roller groove and the through hole.
4. The medical cleaning machine stable in operation according to claim 1, wherein the surface of the positioning roller is provided with a flexible buffer layer.
5. The medical cleaning machine with stable work according to claim 1, wherein the fixing columns are uniformly arranged in a row on one side wall of the cleaning cabin, and the sliding rollers sleeved on the fixing columns form a sliding guide rail of the cleaning rack.
6. The medical cleaning machine of claim 1, wherein said resilient member is normally in a compressed state.
CN201810605038.XA 2018-06-13 2018-06-13 Medical cleaning machine stable in operation Active CN109009491B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810605038.XA CN109009491B (en) 2018-06-13 2018-06-13 Medical cleaning machine stable in operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810605038.XA CN109009491B (en) 2018-06-13 2018-06-13 Medical cleaning machine stable in operation

Publications (2)

Publication Number Publication Date
CN109009491A CN109009491A (en) 2018-12-18
CN109009491B true CN109009491B (en) 2020-09-22

Family

ID=64609144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810605038.XA Active CN109009491B (en) 2018-06-13 2018-06-13 Medical cleaning machine stable in operation

Country Status (1)

Country Link
CN (1) CN109009491B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110976462B (en) * 2019-12-01 2024-08-30 老肯医疗科技股份有限公司 Automatic conveying system for cleaning frame of medical cleaning machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203944615U (en) * 2014-07-09 2014-11-19 中国人民解放军第三军医大学第三附属医院 Ultrasonic cleaning equipment for oral cavity medical apparatus
CN105343907B (en) * 2015-12-03 2017-11-03 徐建华 A kind of ear-nose-throat department sterilizing endoscope device
CN107928807B (en) * 2017-11-16 2020-06-02 王佳慧 Medical cleaning device that cleaning efficiency is high

Also Published As

Publication number Publication date
CN109009491A (en) 2018-12-18

Similar Documents

Publication Publication Date Title
CN109772769B (en) Automatic sterilizing and cleaning device for mobile phone
CN109009491B (en) Medical cleaning machine stable in operation
CN210816349U (en) Automatic disinfecting and cleaning device for mobile phone
CN111908304B (en) Intelligent handrail
CN215160051U (en) Inside cleaning device of elevator with function of disinfecting
CN114711856A (en) High stability pneumoperitoneum machine for abdominal cavity operation
CN114061016A (en) Air sterilizer with large screen advertisement
WO2013100040A1 (en) Sponge-mop wringer
CN110267447B (en) Circuit board wet etching equipment
CN113425221A (en) Terminal equipment cleaning machine
CN218167097U (en) Experiment operation platform with self-cleaning assembly
CN112657899A (en) Brain circulation function treatment instrument surface cleaning equipment for neurology
CN207109095U (en) A kind of descaling bath that can block acid mist
CN113441437B (en) Control method and control device for terminal equipment cleaning machine and terminal equipment cleaning machine
CN205685963U (en) A kind of damping roller brushing device
KR20060103306A (en) Windowpane cleaning apparatus
CN211359722U (en) Novel tea-seed oil check out test set regulate and control device
CN219009638U (en) Elevator handle frame
CN215397726U (en) Automatic ink wiping structure of ink roller
CN212018861U (en) Mineral water production is with dashing bottle rotary machine that has disinfection nozzle
CN220970241U (en) Circulation water tank of glass cleaning machine
CN112897306B (en) Public place escalator handrail disinfection cleaning device
CN213554802U (en) Skin cleaning device for dermatology
CN220491581U (en) Double-sided glass frame convenient to remove
CN221030053U (en) Highway subgrade detection device

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