CN212661895U - Novel gynaecology and obstetrics uses vacuum aspiration device - Google Patents
Novel gynaecology and obstetrics uses vacuum aspiration device Download PDFInfo
- Publication number
- CN212661895U CN212661895U CN202020796206.0U CN202020796206U CN212661895U CN 212661895 U CN212661895 U CN 212661895U CN 202020796206 U CN202020796206 U CN 202020796206U CN 212661895 U CN212661895 U CN 212661895U
- Authority
- CN
- China
- Prior art keywords
- bottle
- box
- box body
- buffer
- negative pressure
- 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.)
- Expired - Fee Related
Links
- 239000011550 stock solution Substances 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 4
- 210000001124 body fluid Anatomy 0.000 description 6
- 239000010839 body fluid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000012466 permeate Substances 0.000 description 3
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 206010061926 Purulence Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a novel gynaecology and obstetrics uses negative pressure suction device, including box, vacuum pump, vacuum gauge, stock solution bottle, buffer flask, foot switch, suction head, the vacuum gauge is installed at the top of box, the suction head is located the top of box, foot switch sets up in one side bottom of box, the inside of box is divided into drive chamber, storing cavity and suction cavity through two baffles from bottom to top, the vacuum pump is installed in the drive chamber, stock solution bottle, buffer flask place in the suction cavity; the top of stock solution bottle, buffer bottle is provided with the sealed lid subassembly respectively, the sealed lid subassembly includes the rubber lid, embedded in the backup pad of rubber lid top both sides, connect in the X-shaped hinge frame at two backup pad tops. The utility model has the advantages of reasonable design, through adopting neotype sealed lid subassembly for the installation of sealed lid is more swift with the dismantlement, has optimized the part structure, and it is more convenient to make medical personnel use.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a novel gynaecology and obstetrics uses negative pressure suction device.
Background
The electric suction apparatus is a medical simulation apparatus commonly used in the operation, and is mainly used for extracting some exudates or purulence occurring in the operation and avoiding the exudates from influencing the normal operation of a doctor.
Generally, the electric suction apparatus is required to be equipped with a storage barrel or a liquid storage bottle, a mounting plate is arranged on the storage for pumping out liquid, a sealing cover is required to be arranged on the storage barrel or the liquid storage bottle, a connecting pipeline is arranged on the sealing cover, and after some permeate is sucked out by the electric suction apparatus, the permeate can enter the storage barrel or the liquid storage bottle for storage.
The liquid storage bottle is usually provided with a rubber plug type sealing cover, such as the technology disclosed in patent CN 205698642U; the storage barrel is connected with a sealing cover by adopting a sealing piece or a pressing device, such as the technology disclosed in the patent CN 210020557U. Because the storage barrel or the liquid storage bottle needs to dump the internal permeate after the operation and is cleaned for reuse, the two technologies have the problem of troublesome disassembly and assembly due to too tight connection of the connecting pipeline; meanwhile, since the condition of the patient needs to be diagnosed by the state of the penetrating fluid during the suction process, there are also ergonomic problems in both of the above two techniques that the doctor is inconvenient to operate during the use of the electric suction apparatus.
In summary, the technical problem to be solved by the technical solution is:
1. the design of an operation switch, a vacuum meter, a plate door and a pipeline in the prior common electric suction apparatus does not conform to the structure of human engineering, the operation of medical personnel is not convenient enough, and the problem of a necessary article classification storage structure is usually lacked;
2. the rotary sealing cover generally adopted by the existing common electric suction apparatus is inconvenient to operate in the process of disassembly and assembly, and the operation process of cleaning the liquid accumulation bottle by medical personnel is complicated and inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned technical shortcoming and providing a novel gynaecology and obstetrics uses negative pressure suction device adopts neotype sealed lid structure for the installation of sealed lid is more swift with the dismantlement, simultaneously through configuration optimization design, satisfies human engineering's requirement, and it is more convenient to make medical personnel use.
The utility model provides a technical scheme that technical problem adopted does: a novel negative pressure suction device for obstetrics and gynecology department comprises a box body, a vacuum pump, a vacuum meter, a liquid storage bottle, a buffer bottle, a foot switch and a suction head, wherein the vacuum meter is arranged at the top of the box body,
the suction head is positioned at the top of the box body, the foot switch is arranged at the bottom of one side of the box body, and the interior of the box body is divided into a driving chamber, a storage chamber and a suction chamber from bottom to top through two partition plates;
the vacuum pump is arranged in the driving chamber, and the liquid storage bottle and the buffer bottle are arranged in the suction chamber;
the box is main part braced frame, and top, foot switch are arranged in to the vacuum gauge and set up in box one side bottom, the box is internal to divide into a plurality of chambeies that hold through the baffle, all are the design that improves medical personnel convenience of use, accord with human engineering technique.
The top parts of the liquid storage bottle and the buffer bottle are respectively provided with a sealing cover assembly, the two sealing element assemblies are connected in series through a pipeline, an output port of the buffer bottle is connected with an air inlet of the vacuum pump after being connected in parallel with an air inlet end of the vacuum meter, and an input port of the liquid storage bottle is connected with the suction head through a pipeline;
the sealing cover assembly comprises a rubber cover body, supporting plates embedded in two sides of the top of the rubber cover body and an X-shaped hinge frame connected to the tops of the two supporting plates;
one of the supporting plates is connected with an input connector, and the other supporting plate is connected with an output connector.
The sealing cover assembly is used for replacing a common screw connection type sealing cover in the existing structure, the bottle cover does not need to rotate clockwise or anticlockwise in the installation and disassembly processes, the disassembly and installation operation is realized through the lever structure of the X-shaped hinged support, and time and labor are saved.
Furthermore, the bottom of the side wall of the box body is rotatably connected with a rotating door body positioned outside the driving cavity, and the foot switch is rotatably connected to the bottom of the outer wall of the rotating door body. Foot-operated switch has made things convenient for medical personnel to use, and the action of trampling through the foot realizes opening the stop operation to vacuum pump, realizes the regulation to vacuum pump operating power through the degree of depth of trampling simultaneously.
Furthermore, a storage box capable of being drawn is arranged in the storage cavity, and the storage box is internally divided into a plurality of storage lattices. Different medical supplies are stored in different storage lattices, so that the probability of cross infection is reduced to the greatest extent.
Furthermore, two placing seats are fixed on the bottom wall of the suction cavity, and the liquid storage bottle and the buffer bottle are respectively placed in the placing seats. The buffer bottle is firstly used for accumulating the suction liquid, so that necessary buffer is provided for the liquid storage bottle, the storage capacity of the suction liquid is objectively improved, the liquid storage bottle is prevented from being frequently replaced and cleaned, and accumulated liquid in the liquid storage bottle is prevented from flowing backwards into the vacuum pump.
Furthermore, an inserting clamping groove is formed in one side of the top wall of the box body, and a sliding door is movably inserted in the inserting clamping groove.
Furthermore, the sliding door is made of transparent materials, and the internal condition can be observed in the closing state of the suction cavity.
Furthermore, a handle is arranged on one side of the top of the box body.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the utility model adopts the novel sealing cover component, so that the sealing cover can be more quickly mounted and dismounted, the operation is simple, and the good sealing effect can be achieved;
2. the utility model discloses a configuration optimization designs, places parts such as stock solution bottle, foot switch, vacuum gauge in the position that is fit for, satisfies human engineering's requirement, makes medical personnel use more convenient, has good practicality.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the open-state three-dimensional structure of the present invention;
FIG. 3 is a schematic perspective view of the connection structure of the liquid storage bottle and the buffer bottle;
FIG. 4 is a schematic perspective view of the seal cover assembly;
fig. 5 is a schematic view of the three-dimensional structure of the present invention in the upturning state of the foot switch.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1 and 2, the utility model comprises a box body 1, a vacuum pump 2, a vacuum meter 3, a liquid storage bottle 4, a buffer bottle 5, a foot switch 7 and a suction head 8. The box body 1 is a cubic shell structure with an opening on one side, and the height of the box body is about 1200 mm. The interior of the box body 1 is divided into a driving chamber, a storage chamber and a suction chamber by two partition plates 11 from bottom to top.
The vacuum pump 2 is arranged in the driving cavity, a circuit board 21 and a battery pack 22 which are matched with the vacuum pump 2 are further arranged in the driving cavity, the circuit board 21 is used for controlling the working state of the vacuum pump 2, and the battery pack 22 is used for supplying power to the vacuum pump 2 and the circuit board 2. The foot switch 7 adopts a resistance-adjusting type switch structure, is arranged at the bottom of one side of the box body 1, and is electrically connected with the vacuum pump 2 through the circuit board 21 for adjusting and controlling the working efficiency of the vacuum pump 2. The vacuum pump 2, the foot switch 7, the circuit board 21 and the battery pack 22 are all commercially available devices, and the circuit connection and control manner are also the prior general technology, which is not described herein.
The bottom of the side wall of the box body 1 is rotatably connected with a rotating door body 12 positioned outside the driving cavity and is in a normally closed state. When fault detection or debugging and maintenance are required to be carried out in the driving cavity, the rotary door body 12 is opened, and then operation can be carried out. In this embodiment, the foot switch 7 is rotatably connected to the bottom of the outer wall of the rotary door body 12. When the foot switch 7 is in a working state, the foot switch 7 is turned downwards and then placed on the bottom surface, and medical personnel can step the foot switch 7 to adjust the power of the vacuum pump 2; when the foot switch 7 does not work, the foot switch 7 can be turned upwards and attached to the outer wall of the rotary door body 12 (as shown in fig. 5), so that the foot switch 7 is prevented from obstructing the walking of people.
The storage chamber is internally provided with a drawable storage box 13, and the interior of the storage box 13 is divided into a plurality of storage lattices. According to the needs of treatment, can place like articles such as disposable medical gloves, cotton swab, medical sticky tape in storage tank 13, avoid medical personnel to carry in addition, avoid article to place in disorder, reduce article occupation space. The outer wall of the storage box 13 is provided with a handle, so that the drawing operation is convenient.
The vacuum gauge 3 is installed on the top of the case 1. Medical personnel are in the non-upright state usually when carrying out the treatment operation, therefore the vacuum table 3 of this position just in time falls in medical personnel's best observation visual angle, and the operating condition 1 of being convenient for medical personnel to know vacuum pump 2 in real time and cooperate the foot to step on foot switch 7 and carry out real-time regulation to vacuum pump 2's power.
The liquid storage bottle 4 and the buffer bottle 5 are arranged in the suction chamber. In this embodiment, attract being fixed with two on the diapire of cavity and placing seat 14, stock solution bottle 4, buffer bottle 5 are placed respectively in placing seat 14 for stock solution bottle 4, buffer bottle 5 can be stable in box 1, avoid drawing the exogenic action and take place to empty.
One side of the top wall of the box body 1 is provided with an inserting clamping groove, and a pull door 15 is movably inserted in the inserting clamping groove. Mention pull door 15 upwards, then attract the cavity to expose outside, can place, connect, demolish, take out the operation such as to stock solution bottle 4, buffer flask 5 in the suction cavity, the medical personnel of being convenient for simultaneously observe the patient's body fluid state of stock solution bottle 4 or the interior storage of buffer flask 5 and look over directly perceivedly to the analysis patient state of illness. After the aspirator is used, the pull door 12 is inserted downwards, and then the pull door 12 seals the suction cavity, so that the liquid storage bottle 4 and the buffer bottle 5 are prevented from being exposed and sundries are prevented from entering the suction cavity.
Preferably, the sliding door 15 is made of transparent materials such as glass and acrylic, and the internal situation can be observed in the closing state of the suction chamber.
As shown in fig. 3, the top of the liquid storage bottle 4 and the top of the buffer bottle 5 are respectively provided with a sealing cover assembly 6, the two sealing assembly 6 are connected in series through a pipeline, an output port (shown as b in the figure) of the buffer bottle 5 is connected in parallel with an air inlet end (shown as c in the figure) of the vacuum gauge 3 and then communicated with an air inlet of the vacuum pump 2, and an input port (shown as a in the figure) of the liquid storage bottle 5 is connected with a suction head 8 positioned at the top of the box body 1 through a pipeline. The suction channel is formed in such a way that the vacuum pump 2 works to make the liquid storage bottle 4 and the buffer bottle 5 in a negative pressure state, and the suction head 8 positioned in the body of the patient extracts the body fluid of the patient. The body fluid enters the liquid storage bottle 4 through the suction head 8, and if the liquid storage bottle 4 is full, the body fluid is transferred to the buffer bottle 5 from the liquid storage bottle 4, as shown by the arrow in the figure. The volume sum of the liquid storage bottle 4 and the buffer bottle 5 is enough to meet the storage requirement of body fluid of a patient, so that the body fluid can not enter the vacuum pump 2 from the buffer bottle 5 any more.
As shown in fig. 4, the sealing cover assembly 6 includes a rubber cover body 61, support plates 62 embedded in both sides of the top of the rubber cover body 61, and an X-shaped hinge bracket 63 connected to the tops of the two support plates 62.
The inner diameter of the bottom of the rubber cover body 61 is matched with the outer diameter of the bottle mouth of the liquid storage bottle 4/the buffer bottle 5. The top of rubber lid 61 is equipped with circular recess, and the lateral wall of circular recess is provided with the annular caulking groove. The two support plates 62 are made of hard medical plastic materials and are arc-shaped thin plate pieces matched with the annular caulking grooves. The outward flange embedding of backup pad 62 is in the annular caulking groove for when rubber lid 61 takes place less deformation, backup pad 62 can not pop out from the annular caulking groove, and the rubber lid 61 of being convenient for simultaneously is because of long-term use or ageing change when causing sealing performance unsatisfied operation requirement.
The X-shaped hinged frame 63 is made of medical stainless steel, and the bottom ends of the two sides of the X-shaped hinged frame 63 are fixedly connected with the top surface of the supporting plate 62 in a hot melting forming mode respectively. The tops of the two frame bars of the X-shaped hinged frame 63 are driven by fingers to move relatively, so that the two frame bars
The bottoms of the frame strips move towards each other, and then the two support plates 62 are pushed to move towards each other, so that the rubber cover body 61 is expanded and deformed. The rubber cover body 61 after expansion and deformation can be easily buckled at the bottle mouth of the liquid storage bottle 4/the buffer bottle 5. When the X-shaped hinged frame is loosened, the rubber cover body 61 buckled on the bottle mouth of the liquid storage bottle 4/the buffer bottle 5 is restored to the original shape under the action of the elastic restoring force of the rubber cover body, and the rubber cover body is tightly sealed on the bottle mouth of the liquid storage bottle 4/the buffer bottle 5. In the same manner as described above, the rubber cap 61 can be easily removed from the bottle opening of the liquid storage bottle 4/buffer bottle 5.
In the sealing cover assembly, an input connector 64 is connected to one of the supporting plates 62, and an output connector 65 is connected to the other supporting plate 62, so that the connecting pipelines can be quickly connected. The bottom surface of the rubber cover 61 is respectively provided with a sealing rubber sleeve (not shown in the figure) tightly sleeved outside the input joint 64 and the output joint 65, the sealing rubber sleeves and the rubber cover 61 are of an integral structure and used for sealing between the input joint 64 and the output joint 65 and the rubber cover 61, so that when the two support plates 62 move relatively or oppositely, the expansion deformation of the rubber cover 61 does not affect the sealing performance of the connection between the input joint 64/the output joint 65 and the rubber cover 61. When the sealing cover assembly is used, the connection of all pipelines can be completed on the sealing cover assembly, and then the mounting operation of the sealing cover assembly on the bottle mouth of the liquid storage bottle 4/the buffer bottle 5 is carried out.
Preferably, a handle 16 is arranged on one side of the top of the box body 1, so that an operator can conveniently carry the suction apparatus by hand to move the position, and a universal wheel assembly capable of braking can be arranged at the bottom of the box body 1, so that the suction apparatus can be conveniently moved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a novel gynaecology and obstetrics uses vacuum aspiration device, includes box, vacuum pump, vacuum gauge, stock solution bottle, buffer bottle, foot switch and attracts the head, its characterized in that: the vacuum meter is arranged at the top of the box body, the suction head is positioned at the top of the box body, the foot switch is arranged at the bottom of one side of the box body, and the interior of the box body is divided into a driving chamber, a storage chamber and a suction chamber from bottom to top through two partition plates;
the vacuum pump is arranged in the driving chamber, and the liquid storage bottle and the buffer bottle are arranged in the suction chamber;
the top parts of the liquid storage bottle and the buffer bottle are respectively provided with a sealing cover assembly, the two sealing element assemblies are connected in series through a pipeline, an output port of the buffer bottle is connected with an air inlet of the vacuum pump after being connected in parallel with an air inlet end of the vacuum meter, and an input port of the liquid storage bottle is connected with the suction head through a pipeline;
the sealing cover assembly comprises a rubber cover body, supporting plates embedded in two sides of the top of the rubber cover body and an X-shaped hinge frame connected to the tops of the two supporting plates;
one of the supporting plates is connected with an input connector, and the other supporting plate is connected with an output connector.
2. The novel gynecological negative pressure suction device as claimed in claim 1, wherein: the bottom of the side wall of the box body is rotatably connected with a rotating door body positioned outside the driving cavity, and the foot switch is rotatably connected to the bottom of the outer wall of the rotating door body.
3. The novel gynecological negative pressure suction device as claimed in claim 1, wherein: the article chamber is internally provided with a drawable storage box, and the interior of the storage box is divided into a plurality of storage lattices.
4. The novel gynecological negative pressure suction device as claimed in claim 1, wherein: two placing seats are fixed on the bottom wall of the suction cavity, and the liquid storage bottle and the buffer bottle are respectively placed in the placing seats.
5. The novel gynecological negative pressure suction device as claimed in claim 1, wherein: one side of the top wall of the box body is provided with an inserting clamping groove, and a pull door is movably inserted in the inserting clamping groove.
6. The novel gynecological negative pressure suction device as claimed in claim 5, wherein: the pull door is made of transparent materials.
7. The novel gynecological negative pressure suction device as claimed in claim 1, wherein: a handle is arranged on one side of the top of the box body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020796206.0U CN212661895U (en) | 2020-05-14 | 2020-05-14 | Novel gynaecology and obstetrics uses vacuum aspiration device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020796206.0U CN212661895U (en) | 2020-05-14 | 2020-05-14 | Novel gynaecology and obstetrics uses vacuum aspiration device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212661895U true CN212661895U (en) | 2021-03-09 |
Family
ID=74814904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020796206.0U Expired - Fee Related CN212661895U (en) | 2020-05-14 | 2020-05-14 | Novel gynaecology and obstetrics uses vacuum aspiration device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212661895U (en) |
-
2020
- 2020-05-14 CN CN202020796206.0U patent/CN212661895U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209174448U (en) | A kind of operation device cleaning disinfection device for gynemetrics | |
CN215082983U (en) | Severe medical drainage device | |
CN212661895U (en) | Novel gynaecology and obstetrics uses vacuum aspiration device | |
CN207591031U (en) | A kind of general surgical nursing flushing aspirator | |
CN206228370U (en) | Disposable endoscope attraction tissue collector | |
CN212118662U (en) | Medical instrument storage device | |
CN104722516B (en) | Electric-coagulation forceps cleaning support | |
CN211188460U (en) | Sputum aspirator for pneumology department | |
CN215018720U (en) | Fetal head suction midwifery device for obstetrics and gynecology department | |
CN215607800U (en) | Hemodialysis vomiting device for hematology department | |
CN214017834U (en) | Gynaecology and obstetrics's operation nursing apparatus placer | |
CN204193150U (en) | A kind of accurate sputum Metering kettle | |
CN219207340U (en) | Medical care carrying case | |
CN212383738U (en) | Pathology operation panel of drawing materials | |
CN219050076U (en) | Vulva nursing disinfection device | |
CN212856806U (en) | Cleaning device for operating room instruments | |
CN216135910U (en) | Multi-functional rack of ultrasonic branch of academic or vocational study | |
CN221719387U (en) | Dissecting sample storage equipment | |
CN221672840U (en) | Sputum aspirator that disposable collection bag of can cooperating to use | |
CN210044243U (en) | Cooling assistor for nursing | |
CN219207233U (en) | Semen collection cup for artificial semen injection | |
CN201510559U (en) | Simple pleural and peritoneal effusion drainage device | |
CN212466684U (en) | Phlegm processing apparatus is inhaled in internal medicine nursing | |
CN219207070U (en) | Conveying and guiding device for liposuction | |
CN112707055B (en) | Medical waste storage equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |