CN219148332U - Auxiliary device for oral implantation drilling - Google Patents

Auxiliary device for oral implantation drilling Download PDF

Info

Publication number
CN219148332U
CN219148332U CN202221802450.9U CN202221802450U CN219148332U CN 219148332 U CN219148332 U CN 219148332U CN 202221802450 U CN202221802450 U CN 202221802450U CN 219148332 U CN219148332 U CN 219148332U
Authority
CN
China
Prior art keywords
rod
drainage
flushing
pipe
hose
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
CN202221802450.9U
Other languages
Chinese (zh)
Inventor
王锐
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.)
Shenyang Jingke Hospital
Original Assignee
Shenyang Jingke Hospital
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 Shenyang Jingke Hospital filed Critical Shenyang Jingke Hospital
Priority to CN202221802450.9U priority Critical patent/CN219148332U/en
Application granted granted Critical
Publication of CN219148332U publication Critical patent/CN219148332U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The utility model discloses an auxiliary device for oral cavity planting and drilling, which comprises a spreading pipe, wherein a rotatable fixing ring is sleeved on the surface of the spreading pipe, universal pipes are respectively arranged at two ends of the outer ring surface of the rotatable fixing ring, a drainage hose and a flushing hose are respectively sleeved in the two universal pipes, the tail end of the drainage hose is communicated with a drainage mechanism of the drainage flushing spreading device, the tail end of the flushing hose is communicated with the flushing mechanism of the drainage flushing spreading device, a strip-shaped air bag is arranged in the spreading pipe, one side of the strip-shaped air bag is provided with an air inflation pipe, and the air inflation pipe extends from one side of the spreading pipe to be communicated with an airtight core.

Description

Auxiliary device for oral implantation drilling
Technical Field
The utility model relates to the field of medical instruments, in particular to an auxiliary device for oral implantation drilling.
Background
An oral implant is also known as a dental implant, also known as an artificial root. Is a device for repairing false teeth, which is implanted into the upper and lower jawbone of the human body tooth-missing part in a surgical operation mode, and is installed at the upper part of the device after the surgical wound is healed.
The oral cavity implant is installed in the process of drilling holes in the oral cavity of a patient, the punching function can be realized through the implant, blood which is discharged during the drilling holes is required to be drained after the punching is finished, blood in the oral cavity is prevented from being deposited and in the oral cavity, and the oral cavity is required to be quickly cleaned, so that wound infection is avoided.
Therefore, there is a need to provide a new oral implant drilling auxiliary device to solve the above technical problems.
Disclosure of Invention
In order to overcome the defects, the utility model provides an auxiliary device for oral implantation drilling, which solves the problems in the background technology.
The technical scheme of the utility model is as follows:
the utility model provides an auxiliary device for oral cavity planting drilling, includes the round platform base, the top of round platform base is equipped with controllable electric lifter, controllable electric lifter top is equipped with supporting mechanism, round platform base outer loop one side is equipped with carries on the platform, it is equipped with the extension pipe to carry on the platform, one end of extension pipe with round platform base one side is connected, but the cover has a plurality of fixed support poles on the extension pipe, but be equipped with on the fixed support pole and carry on the box, carry on the box and be used for placing drilling machine and drainage flushing strutting arrangement; the drainage spreader comprises a spreader tube, a rotatable fixing ring is sleeved on the surface of the spreader tube, universal tubes are respectively arranged at two ends of the outer ring surface of the rotatable fixing ring, a drainage hose and a flushing hose are respectively sleeved in the two universal tubes, the tail end of the drainage hose is communicated with a remote-control drainage mechanism of the drainage flushing spreader, the tail end of the flushing hose is communicated with a remote-control flushing mechanism of the drainage flushing spreader, a strip-shaped air bag is arranged in the spreader tube, an air inflation tube is arranged on one side of the strip-shaped air bag, the air inflation tube extends from one side of the spreader tube to be communicated with an airtight core, sliding blocks are respectively arranged at two ends of the strip-shaped air bag, an extension rod of each sliding block extends out of one end of the spreader tube to be detachably connected with a dental tray, the dental tray comprises a U-shaped groove block, a connecting part is arranged at the bottom of the U-shaped groove block, and a medical rubber cushion is arranged in a groove of the U-shaped groove block; the remote control device is provided with a drainage mechanism remote controller and a flushing mechanism remote controller respectively.
As a preferable technical scheme, the supporting mechanism comprises a supporting guard plate, a first supporting rod, a second connecting rod and a second fixing rod, wherein the second fixing rod is arranged on the inner wall of the top of the lifting rod, the second connecting rod is arranged on the inner wall of the second fixing rod, one end of the first supporting rod is arranged on the side wall of the second connecting rod, and the supporting guard plate is arranged on the other end of the first supporting rod; the supporting structure further comprises a fixed block, first balls, second balls, a first rotating shaft and a second rotating shaft, wherein the fixed block is arranged on the side wall of the second connecting rod, the first rotating shaft is symmetrically arranged in the fixed block, the first balls are connected with the first rotating shaft in a rotating mode, the second rotating shaft is arranged in the second fixing rod, the second balls are connected with the second rotating shaft in a rotating mode, the first supporting rod is pushed to drive the second connecting rod to rotate, and the second connecting rod drives the first balls and the second balls to rotate on the side wall of the first rotating shaft and the side wall of the second rotating shaft respectively.
As the preferable technical scheme, equidistance interval is equipped with a plurality of screw thread through-holes on the extension pipe, but the bottom of fixed value bracing piece is equipped with the lantern ring, be equipped with on the lantern ring with screw thread through-hole matched screw thread fixed orifices, will through fixing bolt the screw thread fixed orifices of lantern ring with the screw thread through-hole of extension pipe passes with nut threaded connection, but be equipped with on the fixed bracing piece carry on the box.
As a preferable technical scheme, the drainage mechanism comprises a negative pressure pump, a valve, an air duct, a drainage hose, a sealing cover, a container and a sucker, wherein the head end of the drainage hose is communicated with the sucker, the tail end of the drainage hose is connected in a liquid inlet formed in the upper surface of the sealing cover, the sealing cover is connected with the container, one end of the air duct is connected in an air outlet formed in the upper surface of the sealing cover, the other end of the air duct is connected with the air suction port of the negative pressure pump, and the valve is arranged on the air duct; the negative pressure pump is a remote-control switch negative pressure pump, and the drainage mechanism remote controller is a negative pressure pump switch remote controller.
As a preferable technical scheme, the flushing mechanism comprises a water storage tank, a water suction pump and a water valve, wherein the tail end of the flushing hose is communicated with a water outlet pipe of the water suction pump through the water valve, and the water suction pump is communicated with a water outlet of the water storage tank; the water pump is a water pump with a remote control switch, and the remote controller of the flushing mechanism is a water pump switch remote controller.
As a preferable technical scheme, the connecting part is matched with a threaded groove at the top of the extension rod of the sliding block.
Due to the adoption of the technical scheme, the auxiliary device for oral cavity planting and drilling comprises a round platform base, wherein a controllable electric lifting rod is arranged at the top of the round platform base, a supporting mechanism is arranged at the top of the lifting rod of the controllable electric lifting rod, a carrying platform is arranged on one side of an outer ring of the round platform base, an extension pipe is arranged on the carrying platform, one end of the extension pipe is connected with one side of the round platform base, a plurality of fixable support rods are sleeved on the extension pipe, a carrying box is arranged on the fixable support rods and used for placing a drilling machine and a drainage flushing and expanding device; the drainage spreader comprises a spreader tube, a rotatable fixing ring is sleeved on the surface of the spreader tube, universal tubes are respectively arranged at two ends of the outer ring surface of the rotatable fixing ring, a drainage hose and a flushing hose are respectively sleeved in the two universal tubes, the tail end of the drainage hose is communicated with a remote-control drainage mechanism of the drainage flushing spreader, the tail end of the flushing hose is communicated with a remote-control flushing mechanism of the drainage flushing spreader, a strip-shaped air bag is arranged in the spreader tube, an air inflation tube is arranged on one side of the strip-shaped air bag, the air inflation tube extends from one side of the spreader tube to be communicated with an airtight core, sliding blocks are respectively arranged at two ends of the strip-shaped air bag, an extension rod of each sliding block extends out of one end of the spreader tube to be detachably connected with a dental tray, the dental tray comprises a U-shaped groove block, a connecting part is arranged at the bottom of the U-shaped groove block, and a medical rubber cushion is arranged in a groove of the U-shaped groove block; the remote control device is respectively provided with a drainage mechanism remote controller and a flushing mechanism remote controller, the remote control device is adjusted to a proper position, then medical staff places arms in the guard plate, the tiredness degree is slowed down, after drilling is finished, the oral cavity can be effectively opened, the closing teeth of a patient are avoided, blood generated by drilling is extracted, and the remote control device is cleaned in time, so that the remote control device is convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of an inventive support structure;
FIG. 3 is an enlarged view of utility model A;
FIG. 4 is a schematic view of the structure of the inventive spreader tube;
wherein: 1-a round table base; 2-a controllable electric lifting rod; 3-a supporting mechanism; 31-supporting the guard plate; 32-a first support bar; 33-fixing blocks; 34-a second connecting rod; 35-a second fixing rod; 36-first balls; 37-second balls; 38-a first spindle; 39-a second spindle; 4-a carrying platform; 40-extension tube; 41-fixable support bar; 410-collar; 42-carrying a box; 5-a drilling machine; 6-stretching the pipe; 60-elongated balloon; 600-charging tube; 601-an airtight core; 61-sliding blocks; 610-extension rod; 62-dental tray; 620-U-shaped groove blocks; 621-connecting part; 622-medical rubber cushion; 7-a rotatable fixing ring; 8-universal tube; 9-a drainage hose; 10-flushing the hose; 11-a drainage mechanism; 12-flushing mechanism.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples.
As shown in fig. 1, 2, 3 and 4, the auxiliary device for oral cavity planting and drilling comprises a round platform base 1, wherein a controllable electric lifting rod 2 is arranged at the top of the round platform base 1, a supporting mechanism 3 is arranged at the top of the lifting rod of the controllable electric lifting rod 2, a carrying platform 4 is arranged on one side of an outer ring of the round platform base 1, an extension pipe 40 is arranged on the carrying platform 4, one end of the extension pipe 40 is connected with one side of the round platform base 1, a plurality of fixable supporting rods 41 are sleeved on the extension pipe 40, a carrying box 42 is arranged on the fixable supporting rods 41, and the carrying box 42 is used for placing a drilling machine 5 and a drainage flushing and expanding device; the drainage spreader comprises a spreader tube 6, a rotatable fixing ring 7 is sleeved on the surface of the spreader tube 6, universal tubes 8 are respectively arranged at two ends of the outer 7 ring surface of the rotatable fixing ring, a drainage hose 9 and a flushing hose 10 are respectively sleeved in the two universal tubes 8, the tail end of the drainage hose 9 is communicated with a remote control drainage mechanism 11 of the drainage flushing spreader, the tail end of the flushing hose 10 is communicated with a remote control flushing mechanism 12 of the drainage flushing spreader, a strip-shaped air bag 60 is arranged in the spreader tube 6, an inflation tube 600 is arranged at one side of the strip-shaped air bag 60, the inflation tube 600 extends from one side of the spreader tube 6 to be communicated with an airtight core 601, sliding blocks 61 are respectively arranged at two ends of the strip-shaped air bag 60, an extension rod 610 of the sliding blocks 61 extends out of one end of the spreader tube 6 to be detachably connected with a dental tray 62, the dental tray 62 comprises a U-shaped groove block 620, a connecting part 621 is arranged at the bottom of the U-shaped groove block 620, and a medical rubber soft cushion 622 is arranged in a groove of the U-shaped groove block 6; the remote control device is provided with a drainage mechanism remote controller and a flushing mechanism remote controller respectively.
The supporting structure 3 comprises a supporting guard plate 31, a first supporting rod 32, a second connecting rod 34 and a second fixing rod 35, wherein the second fixing rod 35 is connected with the top of the lifting rod of the controllable electric lifting rod 2, the second connecting rod 34 is installed on the inner wall of the second fixing rod 35, one end of the first supporting rod 32 is installed on the side wall of the second connecting rod 34, and the supporting guard plate 31 is installed on the other end of the first supporting rod 32. The guard plate is used for supporting and relieving fatigue when a doctor maintains an action for a long time, and is placed on the guard plate. When support away from the shield is not required.
The support structure 3 further comprises a fixed block 33, a first ball 36, a second ball 37, a first rotating shaft 38 and a second rotating shaft 39, the fixed block 33 is mounted on the side wall of the second connecting rod 34, the first rotating shaft 38 is symmetrically mounted inside the fixed block 33, the first ball 36 and the first rotating shaft 38 are rotationally connected, the second rotating shaft 39 is mounted inside the second fixed rod 35, the second ball 37 and the second rotating shaft 39 are rotationally connected, the first supporting rod 32 is pushed to drive the second connecting rod 34 to rotate, and the second connecting rod 34 drives the first ball 36 and the second ball 37 to rotate on the side walls of the first rotating shaft 38 and the second rotating shaft 39 respectively
The extension pipe 40 is provided with a plurality of threaded through holes at equal intervals, the bottom of the fixable support rod 41 is provided with a lantern ring 410, the lantern ring 410 is provided with a threaded fixing hole matched with the threaded through holes, the threaded fixing hole of the lantern ring 410 and the threaded through hole of the extension pipe 40 pass through and are in threaded connection with a nut through a fixing bolt, and the fixable support rod is provided with a carrying box.
The drainage mechanism 11 comprises a negative pressure pump, a valve, an air duct, a drainage hose, a sealing cover, a container and a sucker, wherein the head end of the drainage hose 9 is communicated with the sucker, the tail end of the drainage hose 9 is connected in a liquid inlet formed in the upper surface of the sealing cover, the sealing cover is connected with the container, one end of the air duct is connected in an air outlet formed in the upper surface of the sealing cover, the other end of the air duct is connected with an air suction port of the negative pressure pump, and meanwhile, the air duct is provided with the valve; the negative pressure pump is a remote-control switch negative pressure pump, and the drainage mechanism remote controller is a negative pressure pump switch remote controller, so that the switch control of the negative pressure pump is realized.
The flushing mechanism 12 comprises a water storage tank, a water suction pump and a water valve, wherein the tail end of the flushing hose 10 is communicated with a water outlet pipe of the water suction pump through the water valve, and the water suction pump is communicated with a water outlet of the water storage tank; the water pump is a water pump with a remote control switch, and the remote controller of the flushing mechanism is a water pump switch remote controller, so that the on-off control of the water pump is realized.
The connection portion 621 is matched with a screw groove at the top of the extension rod 610 of the slide block 61.
The fixable rotating ring 7 comprises a fastening ring, a fixing soft block is arranged on the inner ring surface of the fastening ring, a fastening screw on one side of the fixing soft block extends out of a threaded hole of the fastening ring to be connected with the handle, and the other side of the fixing soft block and the fastening ring compress the expanding tube 6. The rotation of the handle makes the fixed soft block screw thread on the fastening screw rod extrude on the outer wall surface of the expanding pipe 6, so that the fastening ring is fixed and cannot rotate, the fixing of the inlet orientation of the drainage hose and the flushing hose on the fastening ring is realized, the time is required to be regulated, the fixed soft block is far away from the expanding pipe through the rotation of the handle and unscrewed, the fastening ring is rotated, and the inlet orientation of the drainage hose and the flushing hose is regulated.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Drilling auxiliary device is planted to oral cavity, its characterized in that: the electric lifting device comprises a round table base, wherein a controllable electric lifting rod is arranged at the top of the round table base, a supporting mechanism is arranged at the top of the lifting rod of the controllable electric lifting rod, a carrying platform is arranged on one side of an outer ring of the round table base, an extension pipe is arranged on the carrying platform, one end of the extension pipe is connected with one side of the round table base, a plurality of fixable support rods are sleeved on the extension pipe, carrying boxes are arranged on the fixable support rods and used for placing a drilling machine and a drainage flushing and expanding device; the drainage flushing and expanding device comprises an expanding pipe, a rotatable fixing ring is sleeved on the surface of the expanding pipe, universal pipes are respectively arranged at two ends of the outer ring surface of the rotatable fixing ring, a drainage hose and a flushing hose are respectively sleeved in the two universal pipes, the tail end of the drainage hose is communicated with a remote-control drainage mechanism of the drainage flushing and expanding device, the tail end of the flushing hose is communicated with a remote-control flushing mechanism of the drainage flushing and expanding device, a strip-shaped air bag is arranged in the expanding pipe, an air inflation pipe is arranged on one side of the strip-shaped air bag, the air inflation pipe extends from one side of the expanding pipe and is communicated with an airtight core, sliding blocks are respectively arranged at two ends of the strip-shaped air bag, an extension rod of each sliding block extends out of one end of the expanding pipe and is detachably connected with a dental tray, the dental tray comprises a U-shaped groove block, a connecting part is arranged at the bottom of the U-shaped groove block, and a medical rubber cushion is arranged in a groove of the U-shaped groove block; the remote control device is provided with a drainage mechanism remote controller and a flushing mechanism remote controller respectively.
2. An oral implant drilling aid as claimed in claim 1, wherein: the supporting mechanism comprises a supporting guard plate, a first supporting rod, a second connecting rod and a second fixing rod, wherein the second fixing rod is arranged on the inner wall of the top of the lifting rod, the second connecting rod is arranged on the inner wall of the second fixing rod, one end of the first supporting rod is arranged on the side wall of the second connecting rod, and the supporting guard plate is arranged on the other end of the first supporting rod; the supporting mechanism further comprises a fixed block, first balls, second balls, a first rotating shaft and a second rotating shaft, wherein the fixed block is arranged on the side wall of the second connecting rod, the first rotating shaft is symmetrically arranged in the fixed block, the first balls are connected with the first rotating shaft in a rotating mode, the second rotating shaft is arranged in the second fixed rod, the second balls are connected with the second rotating shaft in a rotating mode, the first supporting rod is pushed to drive the second connecting rod to rotate, and the second connecting rod drives the first balls and the second balls to rotate on the side wall of the first rotating shaft and the side wall of the second rotating shaft respectively.
3. An oral implant drilling aid as claimed in claim 1, wherein: the extension pipe is provided with a plurality of threaded through holes at equal intervals, the bottom of the fixable support rod is provided with a lantern ring, the lantern ring is provided with a threaded fixing hole matched with the threaded through holes, the threaded fixing hole of the lantern ring and the threaded through hole of the extension pipe pass through and are in threaded connection with a nut through a fixing bolt, and the fixable support rod is provided with a carrying box.
4. A dental implant drilling aid as claimed in claim 3, wherein: the drainage mechanism comprises a negative pressure pump, a valve, an air duct, a drainage hose, a sealing cover, a container and a sucker, wherein the head end of the drainage hose is communicated with the sucker, the tail end of the drainage hose is connected in a liquid inlet formed in the upper surface of the sealing cover, the sealing cover is connected with the container, one end of the air duct is connected in an air outlet formed in the upper surface of the sealing cover, the other end of the air duct is connected with the air suction port of the negative pressure pump, and meanwhile, the valve is arranged on the air duct; the negative pressure pump is a remote-control switch negative pressure pump, and the drainage mechanism remote controller is a negative pressure pump switch remote controller.
5. An oral implant drilling aid as claimed in claim 1, wherein: the flushing mechanism comprises a water storage tank, a water suction pump and a water valve, wherein the tail end of the flushing hose is communicated with a water outlet pipe of the water suction pump through the water valve, and the water suction pump is communicated with a water outlet of the water storage tank; the water pump is a water pump with a remote control switch, and the remote controller of the flushing mechanism is a water pump switch remote controller.
6. An oral implant drilling aid as claimed in claim 1, wherein: the connecting part is matched with a threaded groove at the top of the extension rod of the sliding block.
CN202221802450.9U 2022-07-14 2022-07-14 Auxiliary device for oral implantation drilling Active CN219148332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221802450.9U CN219148332U (en) 2022-07-14 2022-07-14 Auxiliary device for oral implantation drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221802450.9U CN219148332U (en) 2022-07-14 2022-07-14 Auxiliary device for oral implantation drilling

Publications (1)

Publication Number Publication Date
CN219148332U true CN219148332U (en) 2023-06-09

Family

ID=86621277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221802450.9U Active CN219148332U (en) 2022-07-14 2022-07-14 Auxiliary device for oral implantation drilling

Country Status (1)

Country Link
CN (1) CN219148332U (en)

Similar Documents

Publication Publication Date Title
CN205947978U (en) Dressing support used for nursing
CN208193250U (en) A kind of nursing postoperative wound cleaning device
CN112190782A (en) General surgery department operation wound nursing instrument
CN219148332U (en) Auxiliary device for oral implantation drilling
CN107595374A (en) A kind of disposable uterine cavity tissue strikes off suction device
CN210750412U (en) Traditional chinese medical science acupuncture utensil degassing unit
CN213893472U (en) Medicine supply box for ophthalmologic operation
CN219985662U (en) Spittoon cleaning device
CN217593402U (en) A high-efficient degassing unit for artificial tooth production uses
CN211244284U (en) Severe wound washes nursing device
CN207707991U (en) A kind of gynaecology's Multifunctional curet
CN215613540U (en) Sterilizing device of dental drill
CN212883850U (en) Endoscope cleaning and disinfecting tank for otolaryngological department
CN201939750U (en) Drainage device for intraosseous implantation
CN115254825A (en) Tracheal cannula's cleaning device
CN212037784U (en) Adjustable general surgery wound nursing belt cleaning device
CN211560831U (en) Cleaning device is used in dermatology's nursing
CN209827037U (en) Negative pressure device for flushing root canal and sinus
CN112972038A (en) Department of stomatology negative pressure device convenient to be attached to tooth tissue
CN210077918U (en) Intelligent oral cavity planting therapeutic machine
CN206081315U (en) A purger for thoracic surgical operation
CN213191331U (en) Back-buckling type sputum suction device for thoracic surgery nursing
CN215938480U (en) Improved drainage device
CN215938488U (en) Oral sputum suction device for emergency treatment of critical illness
CN217987774U (en) Can accomodate sterile tooth ware of washing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant