CN205411856U - A atomizing device that is used for oxygen uptake and atomizing to treat in turn - Google Patents
A atomizing device that is used for oxygen uptake and atomizing to treat in turn Download PDFInfo
- Publication number
- CN205411856U CN205411856U CN201620120177.XU CN201620120177U CN205411856U CN 205411856 U CN205411856 U CN 205411856U CN 201620120177 U CN201620120177 U CN 201620120177U CN 205411856 U CN205411856 U CN 205411856U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- atomization
- suction pipe
- liquid medicine
- atomising device
- 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
Landscapes
- Medicinal Preparation (AREA)
Abstract
The utility model provides an atomizing device that is used for oxygen uptake and atomizing to treat in turn, relates to medical instrument technical field, and it includes apparatus of oxygen supply, atomizer and face guard, and the apparatus of oxygen supply passes through oxygen supply pipe and say and to link to each other with the atomizer that the atomizer passes through the straw and links to each other with the face guard, still includes the branch pipe, and the one end and the oxygen supply pipe of this branch pipe say the intercommunication, the other end and the straw intercommunication of branch pipe, and be equipped with first valve on the branch pipe, be equipped with the second valve on the straw, this second valve is located the straw pipe wall between atomizer and the branch pipe. The utility model discloses effectively solved and inhaled oxygen therapy and inconvenient, uneconomic defect that the alternative in -process medical materials of aerosol inhalation treatment changed at present, alleviateed the work load of nursing.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically a kind of atomising device for oxygen uptake with atomization alternating treatment.
Background technology
Oxygen inhalation therapy and atomization inspiration treatment are two kinds for the treatment of meanss that hospital is the most frequently used.In clinic, oxygen inhalation therapy and atomization inspiration treatment both treatment meanss have certain relatedness, and i.e. a lot of long-time oxygen uptake patients, owing to respiratory tract dehydration increases, cilia activity on mucosa weakens or disappears, expectoration is not smooth, may cause the generation of the complication such as airway obstruction, pulmonary atelectasis and pulmonary infection, and therefore oxygen inhalation therapy needs the most again to carry out atomization inspiration treatment simultaneously, to be reduced phlegm the medicinal liquid dispersion micro-mist of formation that eliminates the phlegm, suck respiratory tract and lung tissue, humidifying airway, reduce sputum viscosity.Owing to ultrasonic atomization method needs to purchase special equipment, in-convenience in use and maintaining costly, so Hospitals at Present typically uses biting type nebulizer or face mask type nebulizer to carry out nebulae inhalation under high flow capacity oxygen nebulization, oxygen nebulization flow typically should be maintained at 5~8L/min, reaches as high as 12L/min.
Oxygen absorption mask, spraying face shield are the apparatuses that oxygen uptake is conventional with atomization inspiration treatment, and outward appearance has certain similarity, but the product structure of two series products, the mechanism of action, using method etc. have the biggest difference.When therefore replacing atomization inspiration treatment during oxygen inhalation therapy, typically require and oxygen absorption mask is taken off, be replaced with oral type nebulizer or face mask type nebulizer carries out nebulae inhalation, this not only adds the workload of nursing, the same consumption too increasing medical disposable material, making patients's financial burden.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of atomising device for oxygen uptake with atomization alternating treatment, efficiently solve the defect inconvenient, uneconomic that current oxygen inhalation therapy is changed with medical material in atomization inspiration treatment alternation procedure, alleviate the workload of nursing.
For reaching object above, this utility model adopts the technical scheme that: a kind of atomising device for oxygen uptake with atomization alternating treatment, including apparatus of oxygen supply, nebulizer and face shield, and apparatus of oxygen supply is connected with nebulizer by oxygen supply pipeline, nebulizer is connected with face shield by suction pipe, also includes arm, and one end of this arm connects with oxygen supply pipeline, the other end of arm connects with suction pipe, and arm is provided with the first valve;Suction pipe is provided with the second valve, this second valve suction pipe tube wall between nebulizer and arm.
Further improvement is that: be additionally provided with nipple in described face shield, the sidepiece of this nipple offers some air-vents;The end that described suction pipe is connected with face shield, through face shield and extend internally, nipple cover is contained in this straw end.
Further improvement is that: described apparatus of oxygen supply is oxygen cylinder.
Further improvement is that: described nebulizer includes liquid medicine cup, the bottom of this liquid medicine cup is provided through oxygen access tube, and this oxygen access tube connects with oxygen supply pipeline;Liquid medicine cup medial wall is provided with medicinal liquid and flows into pipe and butterfly near the position of bottom, and the bottom of this butterfly is arranged at liquid medicine cup medial wall by bearing pin, and is positioned at below the outlet of medicinal liquid inflow pipe;The medial surface of butterfly is provided with a ball float, and this ball float is connected with butterfly by a connecting rod;The top of liquid medicine cup is provided with bowl cover, and the bottom of this bowl cover is provided with collecting cover, and the top of bowl cover is connected with suction pipe, and one end of suction pipe is through bowl cover, connects with collecting cover.
Further improvement is that: described medicinal liquid flows into the exit of pipe and is provided with filter screen.
Further improvement is that: described collecting cover is inverted funnel-form.
Further improvement is that: described oxygen access tube and suction pipe stagger setting.
Further improvement is that: described oxygen access tube is positioned at the part of liquid medicine cup, is arranged with siphon.
Further improvement is that: the sidepiece of described bowl cover is provided with handle.
Further improvement is that: described liquid medicine cup is made of clear material, and the lateral wall of liquid medicine cup is provided with graduation mark.
The beneficial effects of the utility model are:
1, in this utility model, one end of arm connects with oxygen supply pipeline, and the other end of arm connects with suction pipe, and arm is provided with the first valve;Suction pipe is provided with the second valve, this second valve suction pipe tube wall between nebulizer and arm.When client need carries out atomization inspiration treatment, open the second valve, close the first valve;When client need carries out oxygen inhalation therapy, open the first valve, close the second valve.Efficiently solve the defect inconvenient, uneconomic that current oxygen inhalation therapy is changed with medical material in atomization inspiration treatment alternation procedure, alleviate the workload of nursing.This utility model technology maturation, production cost is low, can be as the conventional material of oxygen inhalation therapy Yu atomization inspiration treatment, and applicable clinic is widely popularized.
2, in this utility model, being additionally provided with nipple in face shield, the sidepiece of this nipple offers some air-vents;The end that described suction pipe is connected with face shield, through face shield and extend internally, nipple cover is contained in this straw end.When carrying out atomization inspiration treatment, face shield is placed on infant mouth and nose, during infant mouth filled in therewith by nipple in face shield simultaneously, Yin Sai is familiar nipple in mouth, play the effect of pacifying, before nipple is put into, also can instill a little breast milk, formulas or G/W etc. in nipple nipple end, it is easy to infant rapidly adapt to, now open nebulizer and regulate flow, spraying can enter nipple by suction pipe, and enters face shield by the air-vent of nipple sidepiece, thus just can be sucked spraying treated infant by nasal cavity, respiratory tract.Owing to infant contains nipple, not only acting as the effect of pacifying, atomization inhaling face shield also serves fixation, the atomization inspiration treatment of each 15~20 minutes can be smoothed out.
3, in this utility model, the medial surface of butterfly is provided with a ball float, and this ball float is connected with butterfly by a connecting rod.This ball float can float on the medicinal liquid face in liquid medicine cup, and moves up and down with the increase and decrease of medicinal liquid.When not having medicinal liquid or medicinal liquid deficiency in liquid medicine cup, ball float moves down.Now, butterfly, under the action of gravity of ball float and connecting rod, rotates down along bearing pin and makes the outlet of medicinal liquid inflow pipe open.When medicinal liquid increases, and ball float moves up, and baffle plate is rotated by connecting rod and is rotated up along bearing pin, until closing the outlet of medicinal liquid inflow pipe.Therefore, the medicated bag that can will be equipped with medicinal liquid is connected directly between on medicinal liquid inflow pipe, and is automatically replenished the medicinal liquid in liquid medicine cup by butterfly, facilitates the nursing procedure of medical personnel, improves work efficiency, further improves the impression of patient simultaneously.
4, in this utility model, the bottom of bowl cover is provided with collecting cover, and the top of bowl cover is provided with suction pipe, and one end of suction pipe is through bowl cover, connects with collecting cover.By arranging collecting cover, increase the disturbance of atomization, it is possible to promote the high-efficient atomizing of drop.
5, in this utility model, the sidepiece of bowl cover is provided with handle, reasonable in design, more hommization.Thus, have good value for applications.
6, in this utility model, liquid medicine cup is made of clear material, and the lateral wall of liquid medicine cup is provided with graduation mark.Therefore, make up a prescription simplicity, conveniently check medicine surplus.
Accompanying drawing explanation
Fig. 1 is for oxygen uptake and the structural representation of the atomising device of atomization alternating treatment in this utility model embodiment;
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Reference:
1-suction pipe;11-the second valve;
2-bowl cover;21-handle;
3-liquid medicine cup;31-collecting cover;32-graduation mark;
4-oxygen access tube;41-siphon;
5-medicinal liquid flows into pipe;51-filter screen;
6-butterfly;61-bearing pin;62-connecting rod;63-ball float;
7-apparatus of oxygen supply;71-oxygen supply pipeline;
8-face shield;81-nipple;82-air-vent;
9-arm;91-the first valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Seeing shown in Fig. 1 and Fig. 2, this utility model embodiment provides a kind of atomising device for oxygen uptake with atomization alternating treatment, and including apparatus of oxygen supply 7, nebulizer and face shield 8, concrete, apparatus of oxygen supply 7 is oxygen cylinder.And apparatus of oxygen supply 7 is connected with nebulizer by oxygen supply pipeline 71, nebulizer is connected with face shield 8 by suction pipe 1, atomising device for oxygen uptake and atomization alternating treatment also includes arm 9, one end of this arm 9 connects with oxygen supply pipeline 71, the other end of arm 9 connects with suction pipe 1, and arm 9 is provided with the first valve 91;Suction pipe 1 is provided with the second valve 11, this second valve 11 suction pipe 1 tube wall between nebulizer and arm 9.When client need carries out atomization inspiration treatment, open the second valve 11, close the first valve 91;When client need carries out oxygen inhalation therapy, open the first valve 91, close the second valve 11.Efficiently solve the defect inconvenient, uneconomic that current oxygen inhalation therapy is changed with medical material in atomization inspiration treatment alternation procedure, alleviate the workload of nursing.This utility model technology maturation, production cost is low, can be as the conventional material of oxygen inhalation therapy Yu atomization inspiration treatment, and applicable clinic is widely popularized.
Being additionally provided with nipple 81 in face shield 8, the sidepiece of this nipple 81 offers some air-vents 82;The end that suction pipe 1 is connected with face shield 8, through face shield 8 and extend internally, nipple 81 is sleeved on this suction pipe 1 end.When carrying out atomization inspiration treatment, face shield 8 is placed on infant mouth and nose, nipple 81 in face shield 8 is filled in infant mouth therewith simultaneously, Yin Sai is familiar nipple 81 in mouth, play the effect of pacifying, before nipple 81 is put into, also can instill a little breast milk, formulas or G/W etc. in nipple 81 nipple end, it is easy to infant rapidly adapt to, now open nebulizer and regulate flow, spraying can enter nipple by suction pipe 1, and enters face shield by the air-vent 82 of nipple 81 sidepiece, thus just can be sucked spraying treated infant by nasal cavity, respiratory tract.Owing to infant contains nipple 81, not only acting as the effect of pacifying, face shield 8 also serves fixation, the atomization inspiration treatment of each 15~20 minutes can be smoothed out.
Concrete, nebulizer includes liquid medicine cup 3, concrete, and liquid medicine cup 3 is made of clear material, and the lateral wall of liquid medicine cup 3 is provided with graduation mark 32.Therefore, make up a prescription simplicity, conveniently check medicine surplus.The bottom of this liquid medicine cup 3 is provided through oxygen access tube 4, and this oxygen access tube 4 connects with oxygen supply pipeline 71;Oxygen access tube 4 is positioned at the part of liquid medicine cup 3, is arranged with siphon 41.Liquid medicine cup 3 medial wall is provided with medicinal liquid and flows into pipe 5 and butterfly 6 near the position of bottom, and the bottom of this butterfly 6 is arranged at liquid medicine cup 3 medial wall by bearing pin 61, and is positioned at below the outlet of medicinal liquid inflow pipe 5;The medial surface of butterfly 6 is provided with a ball float 63, and this ball float 63 is connected with butterfly 6 by a connecting rod 62;This ball float can float on the medicinal liquid face in liquid medicine cup, and moves up and down with the increase and decrease of medicinal liquid.When not having medicinal liquid or medicinal liquid deficiency in liquid medicine cup, ball float moves down.Now, butterfly, under the action of gravity of ball float and connecting rod, rotates down along bearing pin and makes the outlet of medicinal liquid inflow pipe open.When medicinal liquid increases, and ball float moves up, and baffle plate is rotated by connecting rod and is rotated up along bearing pin, until closing the outlet of medicinal liquid inflow pipe.Therefore, the medicated bag that can will be equipped with medicinal liquid is connected directly between on medicinal liquid inflow pipe, and is automatically replenished the medicinal liquid in liquid medicine cup by butterfly, facilitates the nursing procedure of medical personnel, improves work efficiency, further improves the impression of patient simultaneously.Concrete, medicinal liquid flows into the exit of pipe 5 and is provided with filter screen 51.Convection current can enter the medicinal liquid of liquid medicine cup 3 and filter, improve medicinal liquid purity, and then improve therapeutic effect.
The top of liquid medicine cup 3 is provided with bowl cover 2, concrete, and the sidepiece of bowl cover 2 is provided with handle 21.Reasonable in design, more hommization.Thus, have good value for applications.The bottom of this bowl cover 2 is provided with collecting cover 31, and the top of bowl cover 2 is connected with suction pipe 1, and one end of suction pipe 1 is through bowl cover 2, connects with collecting cover 31.Concrete, collecting cover 31 is in inverted funnel-form.By arranging collecting cover, increase the disturbance of atomization, it is possible to promote the high-efficient atomizing of drop.Preferably, oxygen access tube 4 and suction pipe 1 stagger setting.Prevent suction pipe 1 to be directly sucked in and state the oxygen that oxygen access tube 4 is sent into, improve atomizing effect.
The operation principle of this utility model clinical care nebulizer is:
During use, one end of suction pipe 1 being connected to face shield 8, other end end is connected to liquid medicine cup 3, and oxygen access tube 4 is connected with apparatus of oxygen supply 7 by oxygen supply pipeline 71, and medicinal liquid flows into pipe 5 and is connected with the outside medicated bag equipped with medicinal liquid.
When client need carries out atomization inspiration treatment, open the second valve 11, close the first valve 91;When client need carries out oxygen inhalation therapy, open the first valve 91, close the second valve 11.
Concrete, during atomization inspiration treatment, after starting air inlet, nebulizer i.e. can normally work.When not having medicinal liquid or medicinal liquid deficiency in liquid medicine cup 3, ball float 63 moves down.Now, butterfly 6, under the action of gravity of ball float 63 and connecting rod 62, rotates down along bearing pin 61 and makes the outlet of medicinal liquid inflow pipe 5 open.When medicinal liquid increases, and ball float 63 moves up, and baffle plate 6 is rotated it is rotated up along bearing pin 61 by connecting rod 62, until closing medicinal liquid to flow into the outlet of pipe 5.So circulation, until the medicinal liquid in outside medicinal fluid bag exhausts, greatly facilitates the nursery work of the patient bigger to medicinal liquid demands such as serious symptoms.
When child is carried out atomization inspiration treatment, first face shield 8 is placed on infant mouth and nose, nipple 81 in face shield 8 is filled in infant mouth therewith simultaneously, Yin Sai is familiar nipple 81 in mouth, play the effect of pacifying, before nipple 81 is put into, also can instill a little breast milk in nipple 81 nipple end, formulas or G/W etc., it is easy to infant rapidly adapt to, now open nebulizer and regulate flow, spraying can enter nipple by suction pipe 1, and enter face shield by the air-vent 82 of nipple 81 sidepiece, the most just can pass through nasal cavity, respiratory tract sucks spraying and treats infant.Owing to infant contains nipple 81, not only acting as the effect of pacifying, face shield 8 also serves fixation, the atomization inspiration treatment of each 15~20 minutes can be smoothed out.
This utility model is not only limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but in its shape or structure, make any change; every have same or like with this utility model as technical scheme, all within its protection domain.
Claims (10)
1. the atomising device for oxygen uptake with atomization alternating treatment, including apparatus of oxygen supply (7), nebulizer and face shield (8), and apparatus of oxygen supply (7) is connected with nebulizer by oxygen supply pipeline (71), nebulizer is connected with face shield (8) by suction pipe (1), it is characterized in that: also include arm (9), one end of this arm (9) connects with oxygen supply pipeline (71), the other end of arm (9) connects with suction pipe (1), and arm (9) is provided with the first valve (91);Suction pipe (1) is provided with the second valve (11), and this second valve (11) is positioned at suction pipe (1) tube wall between nebulizer and arm (9).
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 1, it is characterized in that: be additionally provided with nipple (81) in described face shield (8), the sidepiece of this nipple (81) offers some air-vents (82);The end that described suction pipe (1) is connected with face shield (8), through face shield (8) and extend internally, nipple (81) is sleeved on this suction pipe (1) end.
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 1, it is characterised in that: described apparatus of oxygen supply (7) is oxygen cylinder.
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 1, it is characterized in that: described nebulizer includes liquid medicine cup (3), the bottom of this liquid medicine cup (3) is provided through oxygen access tube (4), and this oxygen access tube (4) connects with oxygen supply pipeline (71);Liquid medicine cup (3) medial wall is provided with medicinal liquid and flows into pipe (5) and butterfly (6) near the position of bottom, the bottom of this butterfly (6) is arranged at liquid medicine cup (3) medial wall by bearing pin (61), and is positioned at below the outlet of medicinal liquid inflow pipe (5);The medial surface of butterfly (6) is provided with a ball float (63), and this ball float (63) is connected with butterfly (6) by a connecting rod (62);The top of liquid medicine cup (3) is provided with bowl cover (2), the bottom of this bowl cover (2) is provided with collecting cover (31), the top of bowl cover (2) is connected with suction pipe (1), and one end of suction pipe (1) is through bowl cover (2), connects with collecting cover (31).
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 4, it is characterised in that: described medicinal liquid flows into the exit of pipe (5) and is provided with filter screen (51).
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 4, it is characterised in that: described collecting cover (31) is in inverted funnel-form.
It is the most according to claim 4 for oxygen uptake with the atomising device of atomization alternating treatment, it is characterised in that: described oxygen access tube (4) and suction pipe (1) stagger setting.
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 4, it is characterised in that: described oxygen access tube (4) is positioned at the part of liquid medicine cup (3), is arranged with siphon (41).
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 4, it is characterised in that: the sidepiece of described bowl cover (2) is provided with handle (21).
Atomising device for oxygen uptake with atomization alternating treatment the most according to claim 4, it is characterised in that: described liquid medicine cup (3) is made of clear material, and the lateral wall of liquid medicine cup (3) is provided with graduation mark (32).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620120177.XU CN205411856U (en) | 2016-02-15 | 2016-02-15 | A atomizing device that is used for oxygen uptake and atomizing to treat in turn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620120177.XU CN205411856U (en) | 2016-02-15 | 2016-02-15 | A atomizing device that is used for oxygen uptake and atomizing to treat in turn |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205411856U true CN205411856U (en) | 2016-08-03 |
Family
ID=56541044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620120177.XU Expired - Fee Related CN205411856U (en) | 2016-02-15 | 2016-02-15 | A atomizing device that is used for oxygen uptake and atomizing to treat in turn |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205411856U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107166172A (en) * | 2017-06-30 | 2017-09-15 | 深圳心诺智造医疗有限公司 | A kind of oxygen feed system and its air accumulator |
CN107551364A (en) * | 2017-09-30 | 2018-01-09 | 中国人民解放军第三军医大学第附属医院 | Children atomizing device |
CN108126263A (en) * | 2018-01-23 | 2018-06-08 | 温州市中心医院 | A kind of novel atomized mask |
-
2016
- 2016-02-15 CN CN201620120177.XU patent/CN205411856U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107166172A (en) * | 2017-06-30 | 2017-09-15 | 深圳心诺智造医疗有限公司 | A kind of oxygen feed system and its air accumulator |
CN107551364A (en) * | 2017-09-30 | 2018-01-09 | 中国人民解放军第三军医大学第附属医院 | Children atomizing device |
CN107551364B (en) * | 2017-09-30 | 2020-04-07 | 中国人民解放军第三军医大学第一附属医院 | Children atomizer |
CN108126263A (en) * | 2018-01-23 | 2018-06-08 | 温州市中心医院 | A kind of novel atomized mask |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108014403B (en) | Respirator that has aerosol inhalation function that department of respiration used | |
CN206934416U (en) | Internal medicine nursing Multifunctional oxygen inhaling device | |
CN208436187U (en) | A kind of Novel pediatric vaporizer | |
CN205411856U (en) | A atomizing device that is used for oxygen uptake and atomizing to treat in turn | |
CN109432556B (en) | A kind of intelligence pediatric drugs object atomizer and its application method | |
CN107029325A (en) | A kind of paediatrics modified constant temperature atomization inhaling face shield | |
CN208525585U (en) | A kind of atomization face cup | |
CN205598369U (en) | Disposable oxygen nebulizer who facilitates use | |
CN208911188U (en) | A kind of medical operation anaesthesia device | |
CN203342150U (en) | Infant aerosol inhalation device | |
CN205411855U (en) | Atomizer that can automatic make -up liquor | |
CN209286408U (en) | One kind pacifying the dedicated atomizer of type infant | |
CN204106767U (en) | For the atomized medicine introducing system of breathing circuit | |
CN203183443U (en) | Atomization inhalation device for child internal medical department | |
CN202289147U (en) | Tracheal incision mask | |
CN215690705U (en) | Medical atomizer | |
CN108744219A (en) | A kind of atomization humidification device and its application method for tracheae cutting patient | |
CN205360178U (en) | Atomizing respirator | |
CN205391421U (en) | Be applied to disposable oxygen nebulizer of newborn paediatrics | |
CN206391331U (en) | A kind of new heart respiration device for internal medicine | |
CN205095175U (en) | Medicine nebulizer for paediatrics | |
CN203620019U (en) | Milk sucker for atomizer | |
CN107349497A (en) | A kind of oral type atomizer | |
CN106110455B (en) | The medical pediatric medicament atomising device of temperature controllable | |
CN211024594U (en) | Whistle type atomizer capable of being used in multiple body positions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |