CN215083669U - Clinical breathing device that uses of big internal medicine - Google Patents
Clinical breathing device that uses of big internal medicine Download PDFInfo
- Publication number
- CN215083669U CN215083669U CN202120236894.XU CN202120236894U CN215083669U CN 215083669 U CN215083669 U CN 215083669U CN 202120236894 U CN202120236894 U CN 202120236894U CN 215083669 U CN215083669 U CN 215083669U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- arc
- air outlet
- internal medicine
- bottom plate
- 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
- 239000003814 drug Substances 0.000 title claims abstract description 26
- 230000029058 respiratory gaseous exchange Effects 0.000 title abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 230000000241 respiratory effect Effects 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a clinical breathing device of using of big internal medicine, involve the medical instrument field, comprising a base plate, the upper end right side fixedly connected with riser of bottom plate, the left side of riser is equipped with the arc of two symmetric distributions, the lower extreme of downside arc passes through buffer gear and is connected with the bottom plate, the right side of upside arc is passed through fixture and is connected with the riser, and the upper end middle part of upside arc has seted up the round mouth, be equipped with the oxygen cylinder of vertical setting between two arcs, the upper end fixedly connected with air outlet valve of oxygen cylinder, upwards extend through the round mouth in the upper end of air outlet valve, and the left side fixedly connected with hose of air outlet valve, the other end of hose is connected with communicating pipe through grafting mechanism, the other end fixedly connected with face guard of communicating pipe, the left side border fixedly connected with elastic webbing of face guard. The utility model discloses be convenient for fix loading and unloading to the oxygen cylinder to be convenient for haul the oxygen cylinder, and improve the protection effect of oxygen cylinder when removing, avoid the oxygen cylinder harm.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to clinical breathing device of using of big internal medicine.
Background
The department of medicine is also called comprehensive internal medicine and comprehensive surgery, no division of profession is provided, the department of medicine is not provided in low-grade hospitals such as first-grade hospitals, the department of medicine is provided or the department of medicine is provided, the department of medicine is provided in high-grade hospitals such as second-grade hospitals, the department of medicine is provided in general such as respiratory medicine, digestive medicine, neurology, urology, thoracic surgery and neurosurgery, but a comprehensive internal medicine is provided for the diagnosis of the initial patients with indefinite disease division, and the initial diagnosis is provided to each department of medicine after the definite diagnosis.
At present, in clinical practice, cardiopulmonary resuscitation is often adopted for patients in time when patients with serious diseases are rescued, the conventional resuscitation usually adopts the modes of mouth-to-mouth artificial respiration, catheter intubation, ventilator use and the like, the latter two modes have good effects, but the technical requirements on operators are high, the operation process is complex, the applicable environment is limited, the mouth-to-mouth artificial respiration is an important early-stage first-aid mode and is generally familiar to medical care personnel, in clinical practice, cardiopulmonary resuscitation is often adopted for patients in time when patients with serious diseases are rescued, the conventional resuscitation usually adopts the modes of mouth-to-mouth artificial respiration, catheter intubation, ventilator use and the like, the latter two modes have good effects, but the technical requirements on the operators are high, the operation process is complex, the applicable environment is limited, and the mouth-to-mouth artificial respiration is an important early-stage first-aid mode, the operation is generally familiar to medical staff, but the mode is not suitable for some patients with respiratory infectious diseases, and when a catheter cannula and a respirator are used, an oxygen bottle is inconvenient to place and carry, so that the use of people is influenced.
Therefore, it is necessary to invent a respiratory device for clinical use in large internal medicine to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clinical respiratory device of using of big internal medicine to it is an important first aid mode in earlier stage to the mouth artificial respiration who proposes in the above-mentioned background art to solve, is the operation that generally is familiar to medical personnel, but to some patients that have respiratory infectious disease, this mode should not adopt, and during pipe intubate and breathing machine used, the inconvenient carrying of placing of oxygen cylinder influences the problem that people used.
In order to achieve the above object, the utility model provides a following technical scheme: the clinical breathing device for the department of internal medicine comprises a bottom plate, wherein a vertical plate is fixedly connected to the right side of the upper end of the bottom plate, two arc plates which are symmetrically distributed are arranged on the left side of the vertical plate, the lower end of the arc plate on the lower side is connected with the bottom plate through a buffer mechanism, the right side of the arc plate on the upper side is connected with the vertical plate through a clamping mechanism, a round opening is formed in the middle of the upper end of the arc plate on the upper side, a vertically arranged oxygen bottle is arranged between the two arc plates, an air outlet valve is fixedly connected to the upper end of the oxygen bottle, the upper end of the air outlet valve extends upwards through the round opening, a hose is fixedly connected to the left side of the air outlet valve, the other end of the hose is connected with a communicating pipe through a splicing mechanism, a mask is fixedly connected to the other end of the communicating pipe, and an elastic belt is fixedly connected to the left edge of the mask;
fixture includes two sliders, two slide bars and two first springs, upside two connecting rods of right side fixedly connected with of arc, two the other end of connecting rod respectively with two slider fixed connection, two and slider assorted bar holes have been seted up to the lateral wall of riser, two the slide bar is located the vertical fixed setting in inside in two bar holes respectively, two the slider all slides through the through-hole respectively with two slide bars and cup joints, just two the upper end of slider respectively with two first spring fixed connection, two first spring cup joints with two slide bar activities respectively.
Preferably, buffer gear includes fixed block and bracing piece, the lower extreme of fixed block and the upper end middle part fixed connection of bottom plate, and the upper end of fixed block seted up with bracing piece assorted recess, the lower extreme activity of bracing piece is inserted and is established inside and the fixedly connected with second spring of recess, and the stopper of two symmetric distributions of pole wall lower extreme fixedly connected with of bracing piece, two and stopper assorted spacing grooves have been seted up to the lateral wall of recess, the upper end of bracing piece and the lower extreme middle part fixed connection of downside arc.
Preferably, the two opposite ends of the arc-shaped plates are fixedly connected with annular protective frames at the peripheral edges, and the right sides of the two sliding blocks are fixedly connected with U-shaped pull rods together.
Preferably, the right side of the lower end of the bottom plate is fixedly connected with two universal wheels which are symmetrically distributed, the left side of the lower end of the bottom plate is fixedly connected with two supporting blocks which are symmetrically distributed, and the upper end of the vertical plate is fixedly connected with a U-shaped handle.
Preferably, one end of the hose close to the air outlet valve is fixedly connected with a connector, and the connector is in threaded connection with the output end of the air outlet valve.
Preferably, the hose is close to the one end fixedly connected with sleeve pipe of communicating pipe, the right-hand member fixedly connected with intubate of communicating pipe, the intubate is closely pegged graft with the sleeve pipe, and the fixed cover of the outer pipe wall right-hand member of intubate has two ring packing circle, sheathed tube inside wall has been seted up two and ring packing circle assorted annular seal groove.
Preferably, the peripheral edge of the left side of the face shield is fixedly connected with an annular soft rubber cushion.
The utility model discloses a technological effect and advantage:
1. through the mutual matching of the bottom plate, the two arc-shaped plates, the two connecting rods, the two sliding blocks, the two sliding rods and the two first springs, when the oxygen cylinder is placed between the two arc-shaped plates, the two first springs can apply downward elastic force to the two sliding blocks, so that the two sliding blocks can drive the two connecting rods to move downwards, the two connecting rods drive the arc-shaped plate on the upper side to move downwards, the two arc-shaped plates can tightly press the oxygen cylinder, the oxygen cylinder is convenient to drag, and the arc-shaped plate on the upper side is pulled upwards to facilitate the disassembly of the oxygen cylinder;
2. through the mutual matching of the fixed block, the supporting rod and the second spring, the fixed block and the supporting rod slide mutually through the groove, the supporting rod can be supported in a buffering mode through the second spring, the supporting rod can support the arc plate on the lower side in a buffering mode, so that the arc plate on the lower side can support the oxygen cylinder in a buffering mode, the oxygen cylinder can be conveniently buffered and damped when moving, the protection effect on the oxygen cylinder can be improved conveniently through the two annular protection frames, and the oxygen cylinder is prevented from falling from the two arc plates;
3. the hose and the air outlet valve are conveniently fastened and connected through the connector which is provided with, the hose and the air outlet valve are mutually matched through the insertion pipe, the sleeve pipe and the two annular sealing rings which are arranged, the insertion pipe is inserted into the inner part of the sleeve pipe, the hose and the communicating pipe are mutually connected, the sealing performance between the insertion pipe and the sleeve pipe can be improved through the two annular sealing rings, the disassembly is convenient, and the face mask is convenient to replace.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic diagram of the right side structure of the present invention;
FIG. 3 is a schematic structural view of the buffering mechanism of the present invention;
fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. a vertical plate; 3. an arc-shaped plate; 4. an oxygen cylinder; 5. an air outlet valve; 6. a hose; 7. a face mask; 8. an elastic band; 9. a slider; 10. a slide bar; 11. a first spring; 12. a fixed block; 13. a support bar; 14. a second spring; 15. a limiting block; 16. an annular protective frame; 17. a U-shaped pull rod; 18. a universal wheel; 19. a support block; 20. a sleeve; 21. inserting a tube; 22. an annular soft rubber pad; 23. a U-shaped handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a large internal medicine clinical breathing device as shown in figures 1-4, which comprises a bottom plate (1), wherein the right side of the upper end of the bottom plate 1 is fixedly connected with a vertical plate 2, the left side of the vertical plate 2 is provided with two arc plates 3 which are symmetrically distributed, the lower end of the lower arc plate 3 is connected with the bottom plate 1 through a buffer mechanism, the right side of the upper arc plate 3 is connected with the vertical plate 2 through a clamping mechanism, a round opening is arranged in the middle of the upper end of the upper side arc-shaped plate 3, an oxygen cylinder 4 which is vertically arranged is arranged between the two arc-shaped plates 3, the upper end of the oxygen cylinder 4 is fixedly connected with an air outlet valve 5, the upper end of the air outlet valve 5 extends upwards through the round opening, a hose 6 is fixedly connected to the left side of the air outlet valve 5, the other end of the hose 6 is connected with a communicating pipe through an inserting mechanism, a mask 7 is fixedly connected to the other end of the communicating pipe, and an elastic belt 8 is fixedly connected to the left edge of the mask 7;
fixture includes two sliders 9, two slide bars 10 and two first springs 11, two connecting rods of right side fixedly connected with of upside arc 3, the other end of two connecting rods respectively with two slider 9 fixed connection, two and slider 9 assorted bar holes have been seted up to riser 2's lateral wall, two slide bars 10 are located the vertical fixed setting in inside in two bar holes respectively, two sliders 9 all slide with two slide bars 10 respectively through the through-hole and cup joint, and the upper end of two sliders 9 respectively with two first springs 11 fixed connection, two first springs 11 cup joint with two slide bars 10 activities respectively.
As shown in fig. 1 and 3, the buffer mechanism includes a fixed block 12 and a support rod 13, the lower end of the fixed block 12 is fixedly connected with the middle of the upper end of the bottom plate 1, and the upper end of the fixed block 12 is provided with a groove matched with the support rod 13, the lower end of the support rod 13 is movably inserted in the groove and is fixedly connected with a second spring 14, and the lower end of the rod wall of the supporting rod 13 is fixedly connected with two limiting blocks 15 which are symmetrically distributed, the side wall of the groove is provided with two limiting grooves which are matched with the limiting blocks 15, the upper end of the supporting rod 13 is fixedly connected with the middle part of the lower end of the lower side arc-shaped plate 3, the fixing block 12 and the supporting rod 13 slide mutually through the groove, the support rod 13 can be supported in a buffering way through the second spring 14, the support rod 13 can be supported in a buffering way on the arc-shaped plate 3 at the lower side, thereby the arc 3 of downside can cushion oxygen cylinder 4 and support, cushions the shock attenuation when being convenient for remove oxygen cylinder 4.
As shown in fig. 1, the two opposite ends of the two arc-shaped plates 3 are fixedly connected with the annular protection frame 16 at the periphery, so that the protection effect on the oxygen cylinder 4 is improved, the oxygen cylinder 4 is prevented from dropping from the two arc-shaped plates 3, the two sliders 9 are fixedly connected with the U-shaped pull rod 17 on the right side, and people can pull the U-shaped pull rod 17 to drive the two sliders 9 to move.
As shown in fig. 1, the lower right side of the bottom plate 1 is fixedly connected with two symmetrically distributed universal wheels 18, the lower left side of the bottom plate 1 is fixedly connected with two symmetrically distributed supporting blocks 19, and the upper end of the vertical plate 2 is fixedly connected with a U-shaped handle 23, so that people can pull the device to move and stably place the device.
As shown in fig. 1, a connector is fixedly connected to one end of the hose 6 close to the air outlet valve 5, and the connector is in threaded connection with the output end of the air outlet valve 5, so that the hose 6 and the air outlet end of the air outlet valve 5 are conveniently fastened and connected, and the hose is convenient to detach.
As shown in fig. 4, the hose 6 is close to one end fixedly connected with sleeve 20 of communicating pipe, the right-hand member fixedly connected with intubate 21 of communicating pipe, intubate 21 closely pegs graft with sleeve 20, and the fixed cover in outer pipe wall right-hand member of intubate 21 has connected two ring packing, sleeve 20's inside wall has seted up two and ring packing assorted ring seal groove, insert the inside of sleeve 20 with intubate 21, thereby can be with hose 6 and communicating pipe interconnect, can improve the leakproofness between intubate 21 and the sleeve 20 through two ring packing, and be convenient for dismantle, thereby be convenient for change face guard 7.
As shown in figure 1, the peripheral edge of the left side of the face mask 7 is fixedly connected with an annular soft rubber cushion 22, so that the use comfort of people is improved.
The utility model discloses the theory of operation:
when the oxygen cylinder 4 is placed between the two arc-shaped plates 3, the two first springs 11 can apply downward elastic force to the two sliding blocks 9, so that the two sliding blocks 9 can drive the two connecting rods to move downwards, the two connecting rods drive the arc-shaped plate 3 on the upper side to move downwards, the two arc-shaped plates 3 can compress the oxygen cylinder 4, the oxygen cylinder 4 can be conveniently hauled, and the arc-shaped plate 3 on the upper side is pulled upwards to disassemble the oxygen cylinder 4;
fixed block 12 passes through recess and bracing piece 13 mutual slip, can cushion support to bracing piece 13 through second spring 14, and bracing piece 13 can cushion support arc 3 of downside to arc 3 of downside can cushion support oxygen cylinder 4, cushions the shock attenuation when being convenient for remove oxygen cylinder 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. Clinical respiratory device that uses of internal medicine, its characterized in that: comprises a bottom plate (1), the upper right side of the bottom plate (1) is fixedly connected with a vertical plate (2), the left side of the vertical plate (2) is provided with two arc plates (3) which are symmetrically distributed, the lower side of the arc plates (3) is connected with the bottom plate (1) through a buffer mechanism, the upper side of the arc plates (3) is connected with the vertical plate (2) through a clamping mechanism, the middle part of the upper end of the upper arc plate (3) is provided with a round opening, two vertically arranged oxygen bottles (4) are arranged between the two arc plates (3), the upper ends of the oxygen bottles (4) are fixedly connected with air outlet valves (5), the upper ends of the air outlet valves (5) extend upwards through the round openings, the left sides of the air outlet valves (5) are fixedly connected with hoses (6), the other ends of the hoses (6) are connected with communicating pipes through a splicing mechanism, the other ends of the communicating pipes are fixedly connected with face masks (7), the left side edge of the face mask (7) is fixedly connected with an elastic belt (8);
fixture includes two slider (9), two slide bar (10) and two first spring (11), upside the two connecting rods of right side fixedly connected with of arc (3), two the other end of connecting rod respectively with two slider (9) fixed connection, two and slider (9) assorted bar hole, two are seted up to the lateral wall of riser (2) slide bar (10) are located the vertical fixed setting in inside in two bar holes respectively, two slider (9) all cup joint with two slide bar (10) slip respectively through the through-hole, and two the upper end of slider (9) respectively with two first spring (11) fixed connection, two first spring (11) cup joint with two slide bar (10) activities respectively.
2. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: buffer gear includes fixed block (12) and bracing piece (13), the lower extreme of fixed block (12) and the upper end middle part fixed connection of bottom plate (1), and the upper end of fixed block (12) seted up with bracing piece (13) assorted recess, the lower extreme activity of bracing piece (13) is inserted and is established inside and fixedly connected with second spring (14) of recess, and stopper (15) of two symmetric distributions of pole wall lower extreme fixedly connected with of bracing piece (13), the lateral wall of recess seted up two with stopper (15) assorted spacing grooves, the upper end of bracing piece (13) and the lower extreme middle part fixed connection of downside arc (3).
3. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: two equal fixedly connected with annular protection frame (16) in both ends that arc (3) are relative all around the border, two the common fixedly connected with U-shaped pull rod (17) in right side of slider (9).
4. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: the universal wheel (18) of two symmetric distributions of lower extreme right side fixedly connected with of bottom plate (1), and the supporting shoe (19) of two symmetric distributions of lower extreme left side fixedly connected with of bottom plate (1), the upper end fixedly connected with U-shaped handle (23) of riser (2).
5. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: the one end fixedly connected with connector that hose (6) are close to air outlet valve (5), the output threaded connection of connector and air outlet valve (5).
6. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: hose (6) are close to one end fixedly connected with sleeve pipe (20) communicating pipe, the right-hand member fixedly connected with intubate (21) communicating pipe, intubate (21) closely pegs graft with sleeve pipe (20), and the fixed cover of outer pipe wall right-hand member of intubate (21) has connect two ring packing circle, the inside wall of sleeve pipe (20) is seted up two and ring packing circle assorted ring seal groove.
7. The respiratory device for clinical use in large internal medicine according to claim 1, wherein: the left side of the face shield (7) is fixedly connected with an annular soft rubber cushion (22) along the periphery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120236894.XU CN215083669U (en) | 2021-01-27 | 2021-01-27 | Clinical breathing device that uses of big internal medicine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120236894.XU CN215083669U (en) | 2021-01-27 | 2021-01-27 | Clinical breathing device that uses of big internal medicine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215083669U true CN215083669U (en) | 2021-12-10 |
Family
ID=79326077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120236894.XU Expired - Fee Related CN215083669U (en) | 2021-01-27 | 2021-01-27 | Clinical breathing device that uses of big internal medicine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215083669U (en) |
-
2021
- 2021-01-27 CN CN202120236894.XU patent/CN215083669U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2658065C (en) | Helmet for artificial respiration without the aid of face masks or tracheal tubes, with improved wearability | |
CN108888846A (en) | A kind of hanging anesthesia outfit of department of anesthesia's head-rest type | |
CN209108355U (en) | A kind of gastroenterology check device | |
CN109907890B (en) | Patient isolation transfer trolley | |
CN208626364U (en) | Clinical department of internal medicine respiratory disinfection device | |
CN215083669U (en) | Clinical breathing device that uses of big internal medicine | |
CN110548258A (en) | Department of respiration is with breathing trainer | |
CN204563204U (en) | A kind of urgent medical care bradyseism respiratory organ | |
CN209137650U (en) | A kind of the elderly's sleep emergent nursing device | |
CN208426519U (en) | A kind of removable severe first-aid respirator of severe medicine section | |
CN212166441U (en) | Take filtering capability's medical deep breathing training ware | |
CN209301944U (en) | Nose cup is used in a kind of anesthesia | |
CN208626366U (en) | A kind of critical patient monitoring artificial respirator | |
CN218305739U (en) | Clinical breathing machine support for respiratory patient in emergency department | |
CN111135421A (en) | Clinical respiratory mask of using of severe medical science branch of academic or vocational study | |
CN221655300U (en) | Suction apparatus connecting pipe | |
CN219579640U (en) | Breathing mask capable of rapidly pulling out breathing tube | |
CN215194729U (en) | Head-mounted is through mouthful trachea cannula fixing device | |
CN219332856U (en) | Noninvasive ventilator face guard | |
CN219500967U (en) | Anti-splash mask for bronchoscopy | |
CN220256915U (en) | Anesthesia respirator for anesthesia department | |
CN217645791U (en) | Breathe internal medicine lung function rehabilitation training device | |
CN217988690U (en) | Department of anesthesia uses respiratory filter | |
CN113797419B (en) | Tracheal anti-infection device for anesthesia department | |
CN205007397U (en) | Disposable laryngeal mask air flue pipe |
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: 20211210 |