CN211383408U - Gastroenterology ware of dosing - Google Patents
Gastroenterology ware of dosing Download PDFInfo
- Publication number
- CN211383408U CN211383408U CN201922030907.3U CN201922030907U CN211383408U CN 211383408 U CN211383408 U CN 211383408U CN 201922030907 U CN201922030907 U CN 201922030907U CN 211383408 U CN211383408 U CN 211383408U
- Authority
- CN
- China
- Prior art keywords
- pipe
- tube
- air
- elastic
- guide head
- 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
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A gastrointestinal administration device for gastroenterology department comprises a guide head, a connecting sleeve, an elastic tube, a support ring, an air bag, an extension tube, a connecting tube, a gas delivery tube and a liquid delivery tube; the plurality of support rings are arranged on the outer peripheral surface of the elastic tube side by side, and the plurality of support rings and the elastic tube are of an integral structure; the two connecting sleeves are respectively arranged at two ends of the elastic tube; a plurality of administration holes are uniformly formed in the peripheral surface of the elastic tube between the adjacent support rings; the two air bags are arranged in the elastic tube side by side and are communicated with each other; the telescopic pipe is arranged in the elastic pipe and is communicated with the plurality of administration holes; the guide head and the connecting pipe are respectively screwed into the connecting sleeves at the two ends of the elastic pipe; the connecting pipe is communicated with the elastic pipe; one end of the gas pipe extends into the connecting pipe and is connected with the air bag, the other end of the gas pipe is connected with the air blowing assembly, and the gas pipe is provided with an exhaust valve; one end of the infusion tube extends into the connecting tube and is connected with the telescopic tube, and the other end of the infusion tube is connected with the output end of the medicine feeding assembly. The utility model discloses can improve the treatment to stomach patient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a gastroenterology ware of dosing.
Background
At present, due to the fact that the disease condition of a part of gastrointestinal patients in the digestive department is too serious, the common conventional oral administration or subcutaneous injection cannot achieve good treatment effect, and only when the medicine is sent into the intestinal tract of the patient for direct treatment, the patient can be quickly recovered; when the medicine is delivered to a patient with intestines and stomach, the medicine delivery pipe is tightly attached to the inner wall of the intestines and stomach of the patient, so that the inner wall of the intestines and stomach of the patient blocks the medicine delivery hole, and the treatment effect of the patient on the patient is greatly reduced; if the clearance between the drug delivery tube and the inner wall of the intestines and stomach of the patient is too large, the delivered drug liquid flows along the flow direction of the intestinal gastric juice quickly, and the treatment effect is reduced; to this end, the application proposes a gastrointestinal applicator for digestive department.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a gastroenterology ware of dosing, the utility model provides a ware of dosing for treating usefulness to stomach patient can improve patient's treatment, and can not cause the discomfort to the patient to can guarantee the accurate nature of sending medicine.
(II) technical scheme
The utility model provides a gastrointestinal administration device for gastroenterology department, which comprises a guide head, a connecting sleeve, an elastic tube, a support ring, an air bag, a telescopic tube, a connecting tube, a gas delivery pipe, a liquid delivery pipe, an air blowing assembly and a medicine delivery assembly;
the two connecting sleeves are respectively arranged at two ends of the elastic tube; a plurality of administration holes are uniformly formed on the peripheral surface of the elastic tube along the circumferential direction; the plurality of support rings are arranged on the outer peripheral surface of the elastic tube side by side, and the plurality of support rings and the elastic tube are of an integral structure; wherein the plurality of administration holes are located between adjacent support rings;
the two air bags are arranged in the elastic tube side by side and are communicated with each other, wherein the projection of the air bags is annular; the telescopic pipe is arranged in the elastic pipe and is positioned between the two air bags, the projection of the telescopic pipe is annular, and the telescopic pipe is provided with first through holes which are used for being connected with the plurality of medicine feeding holes one by one;
the guide head is screwed into the connecting sleeve at one end of the elastic tube; a pipe orifice thread at one end of the connecting pipe is screwed into the connecting sleeve at the other end of the elastic pipe, and the connecting pipe is communicated with the elastic pipe;
one end of the gas pipe extends into the elastic pipe from the other end of the connecting pipe and is connected with any air bag, the other end of the gas pipe is connected with an air blowing assembly used for blowing air into the air bag, and an exhaust valve is arranged on the gas pipe;
one end of the infusion tube extends into the elastic tube from the other end of the connecting tube and is connected with the telescopic tube, and the other end of the infusion tube is connected with the liquid outlet end of the medicine feeding component used for conveying liquid medicine into the telescopic tube.
Preferably, the inflation assembly comprises an inflation bag and a one-way valve; the one-way valve is arranged at the air outlet end of the air-blowing bag, and the air in the one-way valve flows from the interior of the air-blowing bag to the exterior of the air-blowing bag; the air outlet end of the air bag is connected with an air delivery pipe.
Preferably, the medicine delivery assembly comprises a liquid storage cylinder, a piston, a push rod and a sealing cover;
the liquid outlet end at one end of the liquid storage cylinder is connected with a liquid conveying pipe; the sealing cover is arranged at the opening at the other end of the liquid storage cylinder, and a second through hole is formed in the sealing cover; the projection of the push rod is T-shaped, and one small-area end of the push rod extends into the liquid storage cylinder from the second through hole and is connected with the piston; the piston is arranged in the liquid storage cylinder in a sliding mode.
Preferably, the liquid storage cylinder is made of transparent materials.
Preferably, the liquid storage cylinder is provided with scale marks.
Preferably, one end of the guide head far away from the elastic tube is provided with a spherical surface.
Preferably, the device comprises a driving assembly, a camera device, a lighting device and a connecting wire; the guide head is of a hollow structure and made of transparent materials, and is communicated with the elastic tube;
the camera device and the lighting device are both arranged in the guide head; one end of each of the two groups of connecting wires extends into the guide head from one end of the connecting pipe and is respectively connected with the camera device and the lighting device; the other ends of the two groups of connecting wires are connected with the driving component.
Preferably, the driving assembly comprises a control panel, a display screen and a single chip microcomputer; the display screen is arranged on the end face of the control panel; the singlechip is arranged in the control panel and is respectively connected with the display screen, the camera device and the lighting device.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, the guide head, the elastic tube and the connecting tube are sent into the body of a patient; the air is conveyed into the two air bags through the air blowing assembly, the air bags are inflated to expand the diameter of the elastic tube until the support rings are connected with the intestines and stomach of the patient, and the air blowing is stopped; the medicine delivery component is used for delivering the medicine liquid for treating the patient into the telescopic tube through the infusion tube; the liquid medicine flows out from the first through hole and is discharged from the medicine feeding hole, and the liquid medicine flowing out of the elastic tube is positioned in a vacant bin formed by the adjacent support rings and the inner wall of the intestines and stomach, so that the liquid medicine can be in full contact with the inner wall of the intestines and stomach of a patient, and the liquid medicine is in full contact with the inner wall of the intestines and stomach to accelerate the absorption of the liquid medicine; in addition, the supporting ring prevents the inner wall of the intestine and stomach from being attached to the elastic tube to block the medicine feeding hole; the operation of the medicine applying process for the intestines and stomach of the patient is simple, and the medicine applying device provided by the utility model is convenient to use;
in addition, provide the illumination for camera device through lighting device, camera device gathers the internal image signal of patient and shows the image on the display screen in real time, makes things convenient for medical personnel to insert the flexible pipe fast in the patient is internal.
Drawings
Fig. 1 is a schematic view of the installation structure of the guide head and the connecting pipe in the gastrointestinal administration device of the gastroenterology department.
Fig. 2 is a schematic view of a three-dimensional structure of a guide head and a connecting pipe in the gastrointestinal administration device for the gastroenterology department.
Fig. 3 is a schematic perspective view of a connection sleeve in the gastrointestinal administration device of the gastroenterology department of the present invention.
Fig. 4 is a schematic view of a connection structure of a medicine feeder and a transfusion tube in the gastrointestinal medicine feeder for the gastroenterology department.
Fig. 5 is a schematic view of a connection structure of an air blowing component and an air pipe in the gastrointestinal administration device of the gastroenterology department.
Fig. 6 is a schematic view of a connection structure of a driving assembly and a connecting line in the gastrointestinal administration device of the gastroenterology department.
Reference numerals: 1. a guide head; 2. a camera device; 3. an illumination device; 4. a connecting sleeve; 5. an elastic tube; 6. an administration aperture; 7. a support ring; 8. an air bag; 9. a telescopic pipe; 10. a connecting pipe; 11. a gas delivery pipe; 12. a transfusion tube; 13. a connecting wire; 14. an air blowing assembly; 15. an exhaust valve; 16. a liquid storage cylinder; 17. a piston; 18. a push rod; 19. a sealing cover; 20. a control panel; 21. a display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides a gastroenterology administration device, which comprises a guide head 1, a connecting sleeve 4, an elastic tube 5, a support ring 7, an air bag 8, an extension tube 9, a connecting tube 10, an air delivery tube 11, an infusion tube 12, an air blowing assembly 14 and a medicine delivery assembly;
the two connecting sleeves 4 are respectively arranged at two ends of the elastic tube 5; a plurality of administration holes 6 are uniformly formed on the peripheral surface of the elastic tube 5 along the circumferential direction; the support rings 7 are arranged on the outer peripheral surface of the elastic tube 5 side by side, and the support rings 7 and the elastic tube 5 are of an integral structure; wherein a plurality of administration holes 6 are located between adjacent support rings 7; the elastic tube 5 is made of medical plastic materials and has good elastic toughness;
the two air bags 8 are arranged in the elastic tube 5 side by side, the two air bags 8 are communicated with each other, and the projection of each air bag 8 is annular; the telescopic pipe 9 is arranged in the elastic pipe 5 and is positioned between the two air bags 8, the projection of the telescopic pipe 9 is annular, and the telescopic pipe 9 is provided with first through holes which are used for being connected with the plurality of medicine feeding holes 6 one by one;
the guide head 1 is screwed into the connecting sleeve 4 at one end of the elastic tube 5; a pipe orifice thread at one end of the connecting pipe 10 is screwed into the connecting sleeve 4 at the other end of the elastic pipe 5, and the connecting pipe 10 is communicated with the elastic pipe 5; the connecting pipe 10 is a medical hose;
one end of the gas pipe 11 extends into the elastic pipe 5 from the other end of the connecting pipe 10 and is connected with any air bag 8, the other end of the gas pipe 11 is connected with a gas blowing assembly 14 used for blowing gas into the air bag 8, and an exhaust valve 15 is arranged on the gas pipe 11;
one end of the infusion tube 12 extends into the elastic tube 5 from the other end of the connecting tube 10 and is connected with the telescopic tube 9, and the other end of the infusion tube 12 is connected with the liquid outlet end of the medicine feeding component used for feeding liquid medicine into the telescopic tube 9.
In the utility model, when in use, the guide head 1, the elastic tube 5 and the connecting tube 10 are sent into the body of a patient; the air is conveyed into the two air bags 8 through the air conveying pipe 11 by the air blowing assembly 14, the air bags 8 are inflated to expand the diameter of the elastic pipe 5 until the support rings 7 are connected with the intestines and stomach of the patient, and the air blowing is stopped; the medicine liquid for treating the patient is conveyed into the extension tube 9 by the transfusion tube 12 by using the medicine conveying component; the liquid medicine flows out from the first through hole and is discharged from the medicine feeding hole 6, and the liquid medicine flowing out of the elastic tube 5 is positioned in a vacant bin formed by the adjacent support ring 7 and the inner wall of the intestines and stomach, so that the liquid medicine can be in full contact with the inner wall of the intestines and stomach of a patient, and the liquid medicine is in full contact with the inner wall of the intestines and stomach to accelerate the absorption of the liquid medicine; in addition, the supporting ring 7 is arranged to prevent the inner wall of the intestine and stomach from being attached to the elastic tube 5 to block the medicine feeding hole 6; the above-mentioned medicine process easy operation for giving patient's intestines and stomach, the utility model provides a medicine feeder convenient to use.
In an alternative embodiment, the inflation assembly 14 includes an inflation bladder and a one-way valve; the one-way valve is arranged at the air outlet end of the air-blowing bag, and the air in the one-way valve flows from the interior of the air-blowing bag to the exterior of the air-blowing bag; the air outlet end of the air bag is connected with an air delivery pipe 11.
In an alternative embodiment, the drug delivery assembly comprises a reservoir 16, a piston 17, a push rod 18 and a sealing cap 19;
the liquid outlet end at one end of the liquid storage cylinder 16 is connected with the liquid conveying pipe 12; the sealing cover 19 is arranged at the opening at the other end of the liquid storage cylinder 16, and a second through hole is formed in the sealing cover 19; the projection of the push rod 18 is T-shaped, and one small-area end of the push rod 18 extends into the liquid storage cylinder 16 from the second through hole and is connected with the piston 17; the piston 17 is arranged in the liquid storage cylinder 16 in a sliding manner; the liquid storage cylinder 16 is made of transparent material; the liquid storage cylinder 16 is provided with scale marks;
the liquid storage barrel 16 is connected with the infusion tube 12 through the liquid storage barrel 16, the push rod 18 is pushed, liquid in the liquid storage barrel 16 enters the extension tube 9 through the infusion tube 12, and the content of the liquid medicine delivered to the affected part of a patient can be visually seen through scale marks arranged on the liquid storage barrel 16.
In an alternative embodiment, one end of the guide head 1 away from the elastic tube 5 is provided with a spherical surface; the connecting pipe 10 is conveniently conveyed to the inside of a patient body through the guide head 1, and in addition, the guide head 1 is provided with a spherical surface to avoid injury to the patient when the guide head 1 is inserted into the patient body, so that the comfort level of the patient is improved.
In an alternative embodiment, the device comprises a driving assembly, a camera device 2, an illuminating device 3 and a connecting wire 13; the guide head 1 is of a hollow structure, the guide head 1 is made of transparent materials, and the guide head 1 is communicated with the elastic tube 5;
the camera device 2 and the lighting device 3 are both arranged in the guide head 1; one end of each of the two groups of connecting wires 13 extends into the guide head 1 from one end of the connecting pipe 10 and is respectively connected with the camera device 2 and the lighting device 3; the other ends of the two groups of connecting wires 13 are connected with the driving assembly; the driving component comprises a control panel 20, a display screen 21 and a singlechip; the display screen 21 is arranged on the end face of the control panel 20; the singlechip is arranged in the control panel 20 and is respectively connected with the display screen 21, the camera device 2 and the lighting device 3; the signal output end of the singlechip is connected with the signal input end of the display screen 21, the signal input end of the singlechip is connected with the signal output end of the camera device 2, and the singlechip is controlled and connected with the lighting device 3;
provide the illumination for camera device 2 through lighting device 3, camera device 2 gathers the internal image signal of patient and shows image on display screen 21 in real time, makes things convenient for medical personnel to insert flexible pipe 5 fast in the patient internally.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A gastrointestinal administration device for a gastroenterology department is characterized by comprising a guide head (1), a connecting sleeve (4), an elastic tube (5), a support ring (7), an air bag (8), a telescopic tube (9), a connecting tube (10), an air delivery pipe (11), an infusion tube (12), an air blowing assembly (14) and a medicine delivery assembly;
the two connecting sleeves (4) are respectively arranged at two ends of the elastic tube (5); a plurality of administration holes (6) are uniformly formed on the peripheral surface of the elastic tube (5) along the circumferential direction; the support rings (7) are arranged on the outer peripheral surface of the elastic tube (5) side by side, and the support rings (7) and the elastic tube (5) are of an integral structure; wherein a plurality of administration holes (6) are located between adjacent support rings (7);
the two air bags (8) are arranged in the elastic tube (5) side by side, the two air bags (8) are communicated with each other, and the projection of each air bag (8) is annular; the telescopic pipe (9) is arranged in the elastic pipe (5) and is positioned between the two air bags (8), the projection of the telescopic pipe (9) is annular, and the telescopic pipe (9) is provided with first through holes which are used for being connected with the plurality of medicine feeding holes (6) one by one;
the guide head (1) is screwed into the connecting sleeve (4) at one end of the elastic tube (5) by screw thread; a pipe orifice thread at one end of the connecting pipe (10) is screwed into the connecting sleeve (4) at the other end of the elastic pipe (5), and the connecting pipe (10) is communicated with the elastic pipe (5);
one end of the gas pipe (11) extends into the elastic pipe (5) from the other end of the connecting pipe (10) and is connected with any air bag (8), the other end of the gas pipe (11) is connected with a gas blowing assembly (14) used for blowing gas into the air bag (8), and an exhaust valve (15) is arranged on the gas pipe (11);
one end of the infusion tube (12) extends into the elastic tube (5) from the other end of the connecting tube (10) and is connected with the telescopic tube (9), and the other end of the infusion tube (12) is connected with the liquid outlet end of the medicine delivery component used for delivering liquid medicine into the telescopic tube (9).
2. The gastroenterology applicator according to claim 1, wherein the air blowing assembly (14) includes an air blowing bag and a one-way valve; the one-way valve is arranged at the air outlet end of the air-blowing bag, and the air in the one-way valve flows from the interior of the air-blowing bag to the exterior of the air-blowing bag; the air outlet end of the air bag is connected with an air delivery pipe (11).
3. The gastroenterology dispenser according to claim 1, wherein the medicine feeding assembly comprises a liquid storage cylinder (16), a piston (17), a push rod (18) and a sealing cover (19);
the liquid outlet end at one end of the liquid storage cylinder (16) is connected with the liquid conveying pipe (12); the sealing cover (19) is arranged at the opening at the other end of the liquid storage cylinder (16), and a second through hole is formed in the sealing cover (19); the projection of the push rod (18) is T-shaped, and one end of the small area of the push rod (18) extends into the liquid storage cylinder (16) from the second through hole and is connected with the piston (17); the piston (17) is arranged in the liquid storage cylinder (16) in a sliding mode.
4. The gastrointestinal administration device for gastroenterology according to claim 3, wherein the reservoir (16) is made of transparent material.
5. The gastrointestinal administration device for gastroenterology according to claim 4, wherein the liquid storage cylinder (16) is provided with scale marks.
6. The gastrointestinal applicator for gastroenterology according to claim 1, wherein the end of the guide head (1) away from the elastic tube (5) is provided with a spherical surface.
7. The gastrointestinal administration device for the gastroenterology department according to claim 1, which is characterized by comprising a driving assembly, a camera device (2), an illuminating device (3) and a connecting wire (13); the guide head (1) is of a hollow structure, the guide head (1) is made of transparent materials, and the guide head (1) is communicated with the elastic tube (5);
the camera device (2) and the lighting device (3) are both arranged in the guide head (1); one end of each of the two groups of connecting wires (13) extends into the guide head (1) from one end of the connecting pipe (10) and is respectively connected with the camera device (2) and the lighting device (3); the other ends of the two groups of connecting wires (13) are connected with the driving component.
8. The gastrointestinal administration device for the gastroenterology department according to claim 7, wherein the driving assembly comprises a control panel (20), a display screen (21) and a single chip microcomputer; the display screen (21) is arranged on the end face of the control panel (20); the singlechip is arranged in the control panel (20) and is respectively connected with the display screen (21), the camera device (2) and the illuminating device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030907.3U CN211383408U (en) | 2019-11-21 | 2019-11-21 | Gastroenterology ware of dosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030907.3U CN211383408U (en) | 2019-11-21 | 2019-11-21 | Gastroenterology ware of dosing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383408U true CN211383408U (en) | 2020-09-01 |
Family
ID=72218398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030907.3U Expired - Fee Related CN211383408U (en) | 2019-11-21 | 2019-11-21 | Gastroenterology ware of dosing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211383408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827853A (en) * | 2021-10-15 | 2021-12-24 | 谢雨亭 | Direct-administration type gastrointestinal administration device for gastroenterology medicines |
| CN114272500A (en) * | 2021-12-30 | 2022-04-05 | 郑州市管城回族区南曹乡卫生院 | Special rectum drug delivery device for digestive system department |
-
2019
- 2019-11-21 CN CN201922030907.3U patent/CN211383408U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827853A (en) * | 2021-10-15 | 2021-12-24 | 谢雨亭 | Direct-administration type gastrointestinal administration device for gastroenterology medicines |
| CN113827853B (en) * | 2021-10-15 | 2024-01-26 | 谢雨亭 | Gastroenterology medicine directly gives formula intestines and stomach ware of dosing |
| CN114272500A (en) * | 2021-12-30 | 2022-04-05 | 郑州市管城回族区南曹乡卫生院 | Special rectum drug delivery device for digestive system department |
| CN114272500B (en) * | 2021-12-30 | 2023-11-24 | 郑州市管城回族区南曹乡卫生院 | Special rectum of gastroenterology device of dosing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211383408U (en) | Gastroenterology ware of dosing | |
| CN207384596U (en) | A kind of Respiratory Medicine drug delivery device | |
| CN104323921B (en) | Multifunctional nasal feeding tube and nasal feeding system | |
| CN213964786U (en) | Gastroenterology tube external member of dosing | |
| CN211584850U (en) | Esophagus applicator for digestive system department | |
| CN107296994A (en) | Anti- infection enema syringe | |
| CN205339828U (en) | Uropoiesis and reproductive system ware of dosing | |
| CN109125083A (en) | A kind of pulvis formula esophageal administration device and its working method for preventing from choking into tracheae | |
| CN212346803U (en) | Poultry animal doctor is with drencher | |
| CN211326981U (en) | Nasal gastrointestinal tube | |
| CN210159083U (en) | Rectal colon administration tube | |
| CN209751945U (en) | Multifunctional connector for nasal gastrointestinal tube | |
| CN209437418U (en) | A kind of live pig stomach tube gatherer with air bag | |
| JP4933050B2 (en) | Fluid dosing device and method | |
| CN211188345U (en) | Stomach tube convenient to intubate | |
| CN211835416U (en) | Stomach tube for clinical care with prevent refluence function | |
| CN212038504U (en) | Gastrointestinal surgery is with device of dosing | |
| CN206443999U (en) | Tracheal catheter | |
| CN218391768U (en) | Enema device | |
| CN218075877U (en) | Enterostomy enema fixing device | |
| CN217724126U (en) | Liquid food delivery pump for digestive system department | |
| CN214912511U (en) | Treatment device for hemorrhoid administration | |
| CN210933388U (en) | Esophagus applicator for digestive system department | |
| CN216258702U (en) | Gastroenterology esophagus medicine feeding device | |
| CN104970981B (en) | Be convenient to nasal feeding tube and the replacing options of replacing |
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: 20200901 Termination date: 20211121 |