CN203943996U - A kind of breather valve - Google Patents
A kind of breather valve Download PDFInfo
- Publication number
- CN203943996U CN203943996U CN201420364706.1U CN201420364706U CN203943996U CN 203943996 U CN203943996 U CN 203943996U CN 201420364706 U CN201420364706 U CN 201420364706U CN 203943996 U CN203943996 U CN 203943996U
- Authority
- CN
- China
- Prior art keywords
- valve body
- unidirectional
- valve
- autonomous respiration
- ventilation
- 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
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 127
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 94
- 239000000741 silica gel Substances 0.000 claims abstract description 61
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 61
- 238000009423 ventilation Methods 0.000 claims abstract description 51
- 239000000499 gel Substances 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 33
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 15
- 241000237509 Patinopecten sp. Species 0.000 claims description 14
- 235000020637 scallop Nutrition 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000002627 tracheal intubation Methods 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000005399 mechanical ventilation Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 241000405070 Percophidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
A kind of breather valve, it is characterized in that: it comprises to make 360 ° of rotation modes with respect to valve gap (C) and is installed on the breather valve that valve gap (C) gas input port (4) locates and turns to elbow (A), the mode that described valve gap (C) is threaded connection combines with the gas input port of valve body (F), is packaged with a unidirectional silica gel valve of ventilation being comprised of the unidirectional silica gel valve body of ventilation (D) and the unidirectional gel silica membrane of ventilation (E) between valve gap (C) and the gas input port of valve body (F); Autonomous respiration mouth place at valve body (F) is packaged with an autonomous respiration check valve being comprised of the unidirectional gel silica membrane of autonomous respiration (G) and the unidirectional silica gel valve body of autonomous respiration (H) by autonomous respiration mouth gland (J).
Description
Technical field
This utility model relates to a kind of breather valve, particularly relates to the breather valve that carries out mechanical ventilation and can carry out autonomous respiration for various respirators.
Background technology
There is following problem in the like product of Use of respirator at present:
1, the widely used breather valve function singleness of respirator only can meet ventilation demand, and no spontaneous breathing mouth need, at the inner autonomous respiration mouth that increases of respirator, cause dismounting, sterilization difficulty.
2, to be widely used the breather check valve of breather valve be duckbill structure to respirator, when venting pressure is excessive, easily overturns, and causes ventilation fault.
Summary of the invention
The purpose of this utility model is just for above-mentioned like product existing problem and shortage part and a kind of breather valve is provided in use, the gas input connectivity port grafting breathing pipeline of this utility model breather valve, gas outlet, gas returning port, pressure measxurement connectivity port are all integrated on valve body, make breather valve have volume little, be convenient to the features such as dismounting.
The purpose of this utility model realizes by following structure and technology type:
Breather valve of the present utility model comprises that the breather valve to be installed on valve gap gas input port place with respect to 360 ° of rotation modes of valve gap work turns to elbow, the mode that described valve gap is threaded connection combines with the gas input port of valve body, is packaged with a unidirectional silica gel valve of ventilation being comprised of the unidirectional silica gel valve body of ventilation and the unidirectional gel silica membrane of ventilation between the gas input port of valve gap and valve body; Autonomous respiration mouth place at valve body is packaged with an autonomous respiration check valve being comprised of the unidirectional gel silica membrane of autonomous respiration and the unidirectional silica gel valve body of autonomous respiration by autonomous respiration mouth gland.
Breather valve described in the utility model turns to one end of elbow for inputting connectivity port for connecting the gas of breathing pipeline, the locking fastener and the O type circle for sealing that at described breather valve, turn to elbow and the link of valve gap to be provided with to match with valve gap gas input port, O type circle is inlaid in the annular groove that link processes; Valve gap is connected with the external screw thread that the gas input port of valve body processes by female thread, and by the unidirectional silica gel valve seal of ventilation.
There is a through hole at the unidirectional silica gel valve body of described ventilation center, above through hole, there is a conical bore to coordinate with the unidirectional pellosil loop platform of ventilation, in case the unidirectional gel silica membrane of stop-pass gas is deviate from by the unidirectional silica gel valve body of ventilating, the unidirectional silica gel valve body of ventilating is provided with three scallop holes that match with the unidirectional gel silica membrane sealing surface of ventilation, and gas passes through thus.
The center ventilation cavity upper end of described valve body gas input port is for matching with the unidirectional silica gel valve body sealing ring surface of ventilation, for the reverse taper hole of closed vent cavity; The ring-shaped ventilation cavity upper end of valve body gas input port is for placing the unidirectional silica gel valve body ring-shaped platform of ventilation; The center ventilation cavity of valve body gas input port is provided with a pressure measxurement connectivity port for airway pressure Real-Time Monitoring, and the gas outlet of the center ventilation cavity of valve body gas input port is used for connecting breathing mask or tracheal intubation; The air vent of valve body is communicated with the ring-shaped ventilation cavity of valve body gas input port, and patient's breath discharges thus.
There is a through hole at the unidirectional silica gel valve body of the autonomous respiration center of the check valve of autonomous respiration described in this utility model, above through hole, there is the unidirectional pellosil loop of a conical bore and autonomous respiration platform to coordinate, to prevent the unidirectional gel silica membrane of autonomous respiration, by the unidirectional silica gel valve body of autonomous respiration, deviate from, the unidirectional silica gel valve body of autonomous respiration has three scallop holes that match with the unidirectional gel silica membrane sealing surface of autonomous respiration, and autonomous respiration gas passes through thus; Described autonomous respiration check valve is arranged in the stepped hole of autonomous respiration mouth of valve body, and the autonomous respiration mouth of valve body is connected with the female thread of autonomous respiration mouth gland by external screw thread and by the unidirectional silica gel valve seal of autonomous respiration; On described autonomous respiration mouth gland, be provided with air inlet.
Operation principle of the present utility model is as follows:
Respirator output gas turns to elbow gas input connectivity port to enter in valve by breather valve, due to gas pressure effect, make to ventilate and seal between unidirectional silica gel valve body and valve body bellmouth, the sealing of the silica gel of autonomous respiration simultaneously check valve, when the Bonding pressure measuring tube of valve body pressure measxurement connectivity port, breather valve gas passage is airtight cavity, and during ventilation, breather valve is without Leakage Gas.
When respirator stops ventilation, patient starts to exhale, due to breath pressure act on, the unidirectional silica gel valve body of ventilating departs from valve body bellmouth, the unidirectional gel silica membrane shutoff of simultaneously the ventilating scallop hole of unidirectional silica gel valve body of ventilating, patient's breath can only be discharged by breather valve air vent.
When patient's autonomous respiration, when air-breathing, breather valve internal pressure is less than atmospheric pressure, the unidirectional gel silica membrane of autonomous respiration departs from the unidirectional silica gel valve body of autonomous respiration, air is entered valve body and is supplied patient inhales by gas outlet by autonomous respiration mouth, during expiration, due to breath pressure act on, the unidirectional silica gel valve body of ventilating departs from valve body bellmouth, the unidirectional gel silica membrane shutoff of simultaneously the ventilating scallop hole of unidirectional silica gel valve body of ventilating, patient's autonomous respiration gas is discharged by breather valve air vent.
The beneficial effects of the utility model are as follows:
, by breathing pipeline, be connected with respirator, the breathing of mechanical ventilation conversion is completed by breather valve.
B, breather valve are positioned at breathing pipeline end, have effectively reduced VD, and having overcome carbon dioxide retention affects ventilatory effect.
C, autonomous respiration mouth is integrated on valve body, all can be for convenience detach with all contact portions of patient, be convenient to sterilization, effectively avoided cross infection.
Accompanying drawing explanation
Fig. 1 is the explosive view (contour structures) of utility model.
Fig. 2 is the cutaway view of utility model.
In Fig. 1,2, (A) breather valve turns to elbow, (B) O type circle, (C) valve gap, (D) the unidirectional silica gel valve body of ventilating, (E) ventilate unidirectional gel silica membrane, (F) valve body, (G) the unidirectional gel silica membrane of autonomous respiration, (H) the unidirectional silica gel valve body of autonomous respiration, (J) autonomous respiration mouth gland.
Fig. 3 is the section explosive view of Fig. 1.
(1) gas input connectivity port in figure, (2) annular groove, (3) locking fastener, (4) valve gap gas input port, (5) female thread, (6) through hole, (7) conical bore, (8) scallop hole, (9) ring platform, (10) ring-shaped platform, (11) reverse taper hole, (12) external screw thread, (13) air vent, (14) pressure measxurement connectivity port, (15) gas outlet, (16) autonomous respiration mouth, (17) stepped hole, (18) external screw thread, (19) through hole, (20) conical bore, (21) scallop hole, (22) ring platform, (23) air inlet, (24) female thread.
Fig. 4 is the unidirectional silica gel valve profile of ventilation after having assembled.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the autonomous respiration check valve profile after having assembled.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is autonomous respiration mouth gland cutaway view.
Fig. 9 is the front view of Fig. 8.
The specific embodiment
This utility model is further described below in conjunction with embodiment (accompanying drawing):
As shown in Figure 1, Figure 2, Figure 3 shows, breather valve of the present utility model comprises to make 360 ° of rotation modes with respect to valve gap (C) and is installed on the breather valve that valve gap (C) gas input port (4) locates and turns to elbow (A), the mode that described valve gap (C) is threaded connection combines with the gas input port of valve body (F), is packaged with a unidirectional silica gel valve of ventilation being comprised of the unidirectional silica gel valve body of ventilation (D) and the unidirectional gel silica membrane of ventilation (E) between valve gap (C) and the gas input port of valve body (F); Autonomous respiration mouth place at valve body (F) is packaged with an autonomous respiration check valve being comprised of the unidirectional gel silica membrane of autonomous respiration (G) and the unidirectional silica gel valve body of autonomous respiration (H) by autonomous respiration mouth gland (J).
More specifically, breather valve described in the utility model turns to one end of elbow (A) for inputting connectivity port (1) for connecting the gas of breathing pipeline, the locking fastener (3) and the O type circle (B) for sealing that at described breather valve, turn to elbow (A) and the link of valve gap (C) to be provided with to match with valve gap (C) gas input port (4), O type circle (B) is inlaid in the annular groove (2) that link processes; Valve gap (C) is connected with the external screw thread that the gas input port of valve body (F) processes by female thread (5), and by the unidirectional silica gel valve body of ventilation (D) sealing.
The center ventilation cavity upper end of described valve body (F) gas input port is for matching with ventilation unidirectional silica gel valve body (D) sealing ring surface, for the reverse taper hole (11) of closed vent cavity; The ring-shaped ventilation cavity upper end of valve body (F) gas input port is for placing ventilation unidirectional silica gel valve body (D) ring-shaped platform (10); The center ventilation cavity of valve body (F) gas input port is provided with a pressure measxurement connectivity port (14) for airway pressure Real-Time Monitoring, and the gas outlet (15) of the center ventilation cavity of valve body (F) gas input port is for connecting breathing mask or tracheal intubation; The air vent (13) of valve body (F) is communicated with the ring-shaped ventilation cavity of valve body (F) gas input port, and patient's breath discharges thus.
As shown in Figure 4,5, there is a through hole (6) at the unidirectional silica gel valve body of described ventilation (D) center, in through hole (6) top, there is a conical bore (7) to coordinate with the unidirectional gel silica membrane of ventilation (E) ring platform (9), in case the unidirectional gel silica membrane of stop-pass gas (E) is deviate from by the unidirectional silica gel valve body of ventilation (D), the unidirectional silica gel valve body (D) of ventilating is provided with three scallop holes (8) that match with ventilation unidirectional gel silica membrane (E) sealing surface, and gas passes through thus.
As shown in Figure 6,7, there is a through hole (19) at the unidirectional silica gel valve body of autonomous respiration (H) center of the check valve of autonomous respiration described in this utility model, in through hole (19) top, there is a conical bore (20) to coordinate with the unidirectional gel silica membrane of autonomous respiration (E) ring platform (22), to prevent the unidirectional gel silica membrane of autonomous respiration (G), by the unidirectional silica gel valve body of autonomous respiration (H), deviate from, the unidirectional silica gel valve body of autonomous respiration (H) has three scallop holes (21) that match with the unidirectional gel silica membrane of autonomous respiration (G) sealing surface, and autonomous respiration gas passes through thus; Described autonomous respiration check valve is arranged in the stepped hole (17) of autonomous respiration mouth (16) of valve body (F), and the autonomous respiration mouth (16) of valve body (F) is connected with the female thread (24) of autonomous respiration mouth gland (J) and is sealed by the unidirectional silica gel valve body of autonomous respiration (H) by external screw thread (18); On described autonomous respiration mouth gland (J), be provided with air inlet (23) (referring to Fig. 8,9).
Operation principle of the present utility model is as follows:
During ventilation, gas turns to the gas input connectivity port (1) of elbow (A) to enter in valve by breather valve, due to gas pressure effect and unidirectional silica gel valve body (D) area its scallop hole area far away of ventilating, ventilate and seal between unidirectional silica gel valve body (D) and the reverse taper hole (11) of valve body (F), simultaneously due to gas pressure act on the unidirectional gel silica membrane of autonomous respiration (G) make its with the unidirectional silica gel valve body of autonomous respiration (F) between seal, input gas only has through the scallop hole (8) of the unidirectional silica gel valve body (D) of ventilating and outwards exports by the gas outlet (15) of valve body (F).
During expiration, due to breath pressure act on, the unidirectional silica gel valve body (D) of ventilating departs from the reverse taper hole (11) of valve body (F), unidirectional gel silica membrane (C) shutoff of simultaneously the ventilating scallop hole (8) of unidirectional silica gel valve body (F) of ventilating, breath is discharged by the air vent (13) of valve body (F).
During autonomous respiration, air-breathing section of breather valve internal pressure is less than atmospheric pressure, the unidirectional gel silica membrane of autonomous respiration (G) departs from the unidirectional silica gel valve body of autonomous respiration (H), air enters valve body (F) by the autonomous respiration mouth (16) of valve body (F) and is exported by gas outlet (15), the section of exhaling due to breath pressure act on, the unidirectional silica gel valve body (D) of ventilating departs from valve body (F) reverse taper hole (11), unidirectional gel silica membrane (E) shutoff of simultaneously the ventilating scallop hole (8) of unidirectional silica gel valve body (D) of ventilating, breath is discharged by the air vent (13) of valve body (F).
Claims (5)
1. a breather valve, it is characterized in that: it comprises to make 360 ° of rotation modes with respect to valve gap (C) and is installed on the breather valve that valve gap (C) gas input port (4) locates and turns to elbow (A), the mode that described valve gap (C) is threaded connection combines with the gas input port of valve body (F), is packaged with a unidirectional silica gel valve of ventilation being comprised of the unidirectional silica gel valve body of ventilation (D) and the unidirectional gel silica membrane of ventilation (E) between valve gap (C) and the gas input port of valve body (F); Autonomous respiration mouth place at valve body (F) is packaged with an autonomous respiration check valve being comprised of the unidirectional gel silica membrane of autonomous respiration (G) and the unidirectional silica gel valve body of autonomous respiration (H) by autonomous respiration mouth gland (J).
2. breather valve according to claim 1, it is characterized in that: described breather valve turns to one end of elbow (A) for inputting connectivity port (1) for connecting the gas of breathing pipeline, the locking fastener (3) and the O type circle (B) for sealing that at described breather valve, turn to elbow (A) and the link of valve gap (C) to be provided with to match with valve gap (C) gas input port (4), O type circle (B) is inlaid in the annular groove that link processes (2); Valve gap (C) is connected with the external screw thread that the gas input port of valve body (F) processes by female thread (5), and by the unidirectional silica gel valve body of ventilation (D) sealing.
3. breather valve according to claim 1, it is characterized in that: there is a through hole (6) at unidirectional silica gel valve body (D) center of ventilating, in through hole (6) top, there is a conical bore (7) to coordinate with the unidirectional gel silica membrane of ventilation (E) ring platform (9), in case the unidirectional gel silica membrane of stop-pass gas (E) is deviate from by the unidirectional silica gel valve body of ventilation (D), the unidirectional silica gel valve body (D) of ventilating is provided with three scallop holes (8) that match with ventilation unidirectional gel silica membrane (E) sealing surface, and gas passes through thus.
4. breather valve according to claim 1, is characterized in that: the ventilation cavity upper end, center of valve body (F) gas input port is for matching with ventilation unidirectional silica gel valve body (D) sealing ring surface, for the reverse taper hole (11) of closed vent cavity; The ring-shaped ventilation cavity upper end of valve body (F) gas input port is for placing ventilation unidirectional silica gel valve body (D) ring-shaped platform (10); The center ventilation cavity of valve body (F) gas input port is provided with a pressure measxurement connectivity port (14) for airway pressure Real-Time Monitoring, and the gas outlet (15) of the center ventilation cavity of valve body (F) gas input port is for connecting breathing mask or tracheal intubation; The air vent (13) of valve body (F) is communicated with the ring-shaped ventilation cavity of valve body (F) gas input port, and patient's breath discharges thus.
5. breather valve according to claim 1, it is characterized in that: there is a through hole (19) at the unidirectional silica gel valve body of autonomous respiration (H) center of autonomous respiration check valve, in through hole (19) top, there is a conical bore (20) to coordinate with the unidirectional gel silica membrane of autonomous respiration (E) ring platform (22), to prevent the unidirectional gel silica membrane of autonomous respiration (G), by the unidirectional silica gel valve body of autonomous respiration (H), deviate from, the unidirectional silica gel valve body of autonomous respiration (H) has three scallop holes (21) that match with the unidirectional gel silica membrane of autonomous respiration (G) sealing surface, and autonomous respiration gas passes through thus; Described autonomous respiration check valve is arranged in the stepped hole (17) of autonomous respiration mouth (16) of valve body (F), and the autonomous respiration mouth (16) of valve body (F) is connected with the female thread (24) of autonomous respiration mouth gland (J) and is sealed by the unidirectional silica gel valve body of autonomous respiration (H) by external screw thread (18); On described autonomous respiration mouth gland (J), be provided with air inlet (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420364706.1U CN203943996U (en) | 2014-07-03 | 2014-07-03 | A kind of breather valve |
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CN201420364706.1U CN203943996U (en) | 2014-07-03 | 2014-07-03 | A kind of breather valve |
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CN201420364706.1U Expired - Fee Related CN203943996U (en) | 2014-07-03 | 2014-07-03 | A kind of breather valve |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104491963A (en) * | 2014-12-18 | 2015-04-08 | 佛山市顺德区奥能电工器材有限公司 | Oxygen supply apparatus with quick charging function |
CN105288810A (en) * | 2015-12-03 | 2016-02-03 | 北京理工大学 | Breath synchronous intelligent control assembly of portable plateau oxygen-increasing machine |
WO2017054437A1 (en) * | 2015-09-29 | 2017-04-06 | 北京谊安医疗系统股份有限公司 | Supporting frame for mounting one-way membrane inside respiratory valve |
EP3360595A4 (en) * | 2015-10-08 | 2018-09-05 | Beijing Aeonmed Co., Ltd. | Respiratory valve for ventilator |
WO2018210958A1 (en) * | 2017-05-17 | 2018-11-22 | Hamilton Medical Ag | Exhalation valve arrangement for a ventilator apparatus with an apparatus for receiving a pressure sensor |
CN110864149A (en) * | 2019-11-07 | 2020-03-06 | 卓越紧固系统(上海)有限公司 | Manufacturing method of breather valve |
CN112870507A (en) * | 2021-01-08 | 2021-06-01 | 苏州银雀智能科技有限公司 | Breathing exchanger |
CN113217700A (en) * | 2020-01-21 | 2021-08-06 | 德尔格制造股份两合公司 | Valve device with shut-off unit and method for operating respirator having the same |
CN113413531A (en) * | 2021-06-20 | 2021-09-21 | 三河科达实业有限公司 | Breathing module air suction port structure for portable universal life support system |
CN113855950A (en) * | 2021-08-23 | 2021-12-31 | 河南辉瑞生物医电技术有限公司 | Small-sized breathing machine |
CN113908388A (en) * | 2021-08-23 | 2022-01-11 | 河南辉瑞生物医电技术有限公司 | Portable breathing machine |
-
2014
- 2014-07-03 CN CN201420364706.1U patent/CN203943996U/en not_active Expired - Fee Related
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104491963A (en) * | 2014-12-18 | 2015-04-08 | 佛山市顺德区奥能电工器材有限公司 | Oxygen supply apparatus with quick charging function |
CN104491963B (en) * | 2014-12-18 | 2017-02-22 | 广东顺德奥能光电科技股份有限公司 | Oxygen supply apparatus with quick charging function |
WO2017054437A1 (en) * | 2015-09-29 | 2017-04-06 | 北京谊安医疗系统股份有限公司 | Supporting frame for mounting one-way membrane inside respiratory valve |
EP3360595A4 (en) * | 2015-10-08 | 2018-09-05 | Beijing Aeonmed Co., Ltd. | Respiratory valve for ventilator |
CN105288810A (en) * | 2015-12-03 | 2016-02-03 | 北京理工大学 | Breath synchronous intelligent control assembly of portable plateau oxygen-increasing machine |
CN110621369A (en) * | 2017-05-17 | 2019-12-27 | 汉密尔顿医疗股份公司 | Expiratory valve device for breathing apparatus with an apparatus for accommodating a pressure sensor |
WO2018210958A1 (en) * | 2017-05-17 | 2018-11-22 | Hamilton Medical Ag | Exhalation valve arrangement for a ventilator apparatus with an apparatus for receiving a pressure sensor |
US11744980B2 (en) | 2017-05-17 | 2023-09-05 | Hamilton Bonaduz Ag | Exhalation valve arrangement for a ventilator apparatus with an apparatus for receiving a pressure sensor |
CN110864149A (en) * | 2019-11-07 | 2020-03-06 | 卓越紧固系统(上海)有限公司 | Manufacturing method of breather valve |
CN113217700A (en) * | 2020-01-21 | 2021-08-06 | 德尔格制造股份两合公司 | Valve device with shut-off unit and method for operating respirator having the same |
CN113217700B (en) * | 2020-01-21 | 2023-04-07 | 德尔格制造股份两合公司 | Valve device with shut-off unit and method for operating respirator having the same |
CN112870507A (en) * | 2021-01-08 | 2021-06-01 | 苏州银雀智能科技有限公司 | Breathing exchanger |
CN113413531A (en) * | 2021-06-20 | 2021-09-21 | 三河科达实业有限公司 | Breathing module air suction port structure for portable universal life support system |
CN113855950A (en) * | 2021-08-23 | 2021-12-31 | 河南辉瑞生物医电技术有限公司 | Small-sized breathing machine |
CN113908388A (en) * | 2021-08-23 | 2022-01-11 | 河南辉瑞生物医电技术有限公司 | Portable breathing machine |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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: 20141119 |