CN103592075A - Pressure indicator - Google Patents
Pressure indicator Download PDFInfo
- Publication number
- CN103592075A CN103592075A CN201310575100.2A CN201310575100A CN103592075A CN 103592075 A CN103592075 A CN 103592075A CN 201310575100 A CN201310575100 A CN 201310575100A CN 103592075 A CN103592075 A CN 103592075A
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- Prior art keywords
- elastic pressure
- pressure
- upper cover
- reaction diaphragm
- pressure reaction
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 210000002381 plasma Anatomy 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 4
- 210000003437 trachea Anatomy 0.000 abstract description 3
- 230000006698 induction Effects 0.000 abstract 3
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 241001631457 Cannula Species 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 230000002485 urinary effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses the structure of a pressure indicator. The pressure indicator comprises an upper cover, a middle component, an elastic pressure induction membrane, a transmission indicating rod and a lower cover, wherein a one-way valve is arranged inside the upper cover, the outer wall of the upper cover and the one-way valve jointly form an upper opening, the upper cover and the middle component jointly form an atmosphere channel communicated to the atmosphere, the lower port of the middle component is glued to the peripheral flange of the elastic pressure induction membrane, the elastic pressure inductance membrane structure is designed to be a circular slice and is 0.1mm-2.0mm in width, the lower surface of the elastic pressure induction membrane is provided with a groove matched with the supporting end of the transmission indicating rod which comprises the supporting end, a connecting rod, holes and an indicating end, and the elastic pressure inductance membrane is provided with an annular reinforcing rib and a longitudinal reinforcing rib which are made of rubber or silicon rubber or TPE or other high-elasticity polymer materials. The pressure indicator is wide in pressure indicating range, high in accuracy, visual, capable of being matched with equipment provided with an air bag or a water bag for use, and especially suitable for laryngeal masks, trachea cannulas, urinary catheters and other medical instruments.
Description
Technical field
The present invention relates to the apparatus of a kind of pressure survey and indication, be mainly used in measurement and the indication of air bag in medicine equipment or water pocket internal pressure, relate in particular to and be a kind ofly used for measuring and the pressure indicator of indication laryngeal mask, trachea cannula or catheter.
Background technology
Air bag, water pocket is very general in medical instruments field application, as medicine equipments such as tracheal catheter, laryngeal mask, catheters, play the effect of sealing body cavities and stationary installation, for to apparatus security consideration, detection to air bag, water pocket pressure is very important, needs clinically at any time its pressure to be detected.
Pressure indicator, with its using value clinically, receives the very big concern of medical personnel and medical device industry.Due to usual pressure indicator structure and function simple.Thereby in the last few years, for meeting the requirement of medical level development, the architecture advances of pressure indicator is increased day by day, the structure of relevant pressure indicator is by following patent literature:
1, Chinese utility model patent instructions, the patent No. is January 14 2009 ZL200820074424.2(Granted publication day) a kind of air chamber pressure indicator disclosed, its structure be by transparent, with the hollow cavity of scale mark, the elasticity membrane vesicle of one end sealing other end opening, retaining valve and connector form.The top of hollow cavity is communicated with inflation/suction port by the retaining valve being tightly connected with it, elasticity membrane vesicle is placed in hollow cavity, its openend is sealingly fastened on connector and inner chamber is communicated with atmosphere, and elasticity membrane vesicle inside and outside form respectively membrane vesicle internal pressure district and membrane vesicle external pressure district; Coordinate with hollow cavity scale mark, the extra side of elasticity membrane vesicle that produces deformation displacement with the variation of membrane vesicle inside and outside differential pressure is provided with tested gasbag pressure sea dye.
The advantage of this air chamber pressure indicator utility model: highly sensitive, body is light in a small amount, directly perceived, can directly be configured on the gas passage type equipment with air bag, cost easy to use is low, is particularly useful for laryngeal mask, with trachea cannula and other medicine equipment with air bag of air bag.
2, International Application PCT/US2001/012027 2001.4.13, [Chinese invention patent instructions (August 29 2007 Granted publication CN100333808C Granted publication day)] discloses a kind of visual charge pressure indicator and comprised the surgery intubate of this indicator.This invention provides a kind of indicator of the stress level for the fluid in indicated pressure source visually.This indicator includes the visual inflation body of notch part, and this notch part has relative edge's part, and when this inflatable body is during in unaerated state, this relative edge separates by a gap.This inflatable body also comprises the hole that this inflatable body is connected with pressure source, therefore, when this Inflatable body is inflated, the relative motion in a certain direction of relative edge's part, so that minimizing gap size, thereby in indicated pressure source, reached expecting pressure.This indicator is used in particular for indication and in the inflated cuff of endotracheal intubate, has reached predetermined pressure.
The advantage of this invention: a kind of simple, visual indication to the pressure in pressure source is provided.This is in the situation that the pressure gauge of inapplicable costliness or equipment determine in inflatable big envelope, whether excessively inflated condition is particularly useful, and it is both accurate, can simply use and manufacture again.
3, Chinese utility model patent instructions, the patent No. is August 4 2004 ZL03232298.4(Granted publication day) a kind of pressure detecting indicator disclosed, comprise cylinder body, O-ring seal and valve actuator, on cylinder body, cover has the transparent top cover in middle part, in cylinder body, by screw thread, is connected with the valve actuation part with air inlet through hole, on valve actuation part and between top cover, is provided with elastic membrane, elastic membrane is provided with gaseous tension indicator drum, between gaseous tension indicator drum and top cover, is provided with spring.The gentle pressure indicator drum of elastomeric film surface surface is equipped with indicated pressure change pattern or color, and under top cover opaque section, along being provided with index line, air pressure indicator drum surface is provided with scale mark.
The advantage of this utility model: simple in structure, low cost of manufacture, easy to use, the pressure of indicated pressure equipment and pneumatic equipment changes intuitively, is specially adapted to the detection indication of air pressure of automobile tire.
But above-mentioned 3 kinds of pressure indicators exist following common defects: (1) pressure indicating range is little, adaptability is not enough; (2) although simple in structure, precision is not enough, can not meet pressure and accurately measure needs.
Summary of the invention
The object of the present invention is to provide a kind of simple for structure, indication precisely, pressure indicator applied widely, thus solved the problem that above-mentioned prior art exists.
For achieving the above object, the technical scheme adopting is in the present invention:
, comprise retaining valve, it is characterized in that: its structure is comprised of upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover member, the structure of described each parts is as follows respectively:
Described upper cover, its inside is provided with retaining valve, and the common formation of its outer wall and retaining valve is suitable for reading, and its shoulder is provided with a ring annular groove, the opening of the plasmas channel communicating with atmosphere is located in ring annular groove, and the positioning convex of upper cover is connected with the detent of intermediate member;
Described intermediate member, the ring week flange of its lower port and elastic pressure reaction diaphragm is bonding, and the lower surface of elastic pressure reaction diaphragm is provided with the groove coordinating with transmission indicator stem support end;
Described transmission indicator stem, by support end, connecting link and the indication end being connected respectively with bottom with support end top and the hole that is positioned at both sides, indication end form.
Described upper cover, itself and the common composition one of intermediate member connect plasmas channel.
Described elastic pressure reaction diaphragm, its surface be provided with annular, ellipse or other arbitrary shapes ring week reinforcement and by the waling dispersed of mind-set surrounding, the quantity of described waling is 2～16, waling is uniformly distributed with all reinforcement square crossings of ring, the transverse shape of encircling all reinforcements and waling is designed to waveform, or rectangle, or triangle, or other geometric configuration.
Described elastic pressure reaction diaphragm, its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, and its thickness is 0.1mm～2.0mm.
Described elastic pressure reaction diaphragm, its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material.
Advantage and beneficial effect
Compared with prior art, the present invention, under excellent structure configuration, has following beneficial effect:
1) pressure indicating range is wide, can reach 10cm water column to 100cm water column range.
2) indication precision is high, and resolvability is strong.
3) strong adaptability, can be used for the control survey of air pressure or hydraulic pressure.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of pressure indicator of the present invention;
Fig. 2 is superstructure cut-open view;
Fig. 3 is superstructure vertical view;
Fig. 4 is superstructure upward view;
Fig. 5 is intermediate member structural representation;
Fig. 6 is elastic pressure reaction diaphragm structural representation;
Fig. 7 is elastic pressure reaction diaphragm structure cut-open view.
In Fig. 1: 1 upper cover; 1-1 is suitable for reading; 1-2 retaining valve; 1-3 lower space; 1-4 gap; 1-5 plasmas channel; 1-6 annular groove; 1-7 positioning convex; 2 intermediate members; The bonding gap of 2-1; 2-2 lower port; 3 elastic pressure reaction diaphragms; 3-1 encircles all flanges; 3-2 upper surface; 3-3 lower surface; 3-6 groove; 4 transmission indicator stems; 4-1 support end; 4-2 trace; 4-3 hole; 4-4 indication end; 5 lower covers; 5-1 upper space; 5-2 lower space; 5-3 end opening.
In Fig. 2: 1-1 is suitable for reading; 1-3 lower space; 1-5 plasmas channel.
In Fig. 3: 1-1 is suitable for reading; 1-5 plasmas channel; 1-6 annular groove.
In Fig. 4: 1-5 plasmas channel; 1-7 positioning convex.
In Fig. 5: 2-2 lower port; 2-3 detent; 2-4 air flue; 2-5 plasmas channel.
In Fig. 6: the bonding groove of 3-1; 3-4 encircles all reinforcements; 3-5 waling; 3-6 groove.
In Fig. 7: the bonding groove of 3-1; 3-2 upper surface; 3-4 encircles all reinforcements; 3-6 groove.
Embodiment
In order to make those skilled in the art person understand better technical solution of the present invention, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Embodiment
, its structure as shown in Figure 1, is comprised of upper cover 1, intermediate member 2, elastic pressure reaction diaphragm 3, transmission indicator stem 4 and lower cover 5 parts, and the structure of described each parts is as follows respectively:
Described upper cover 1, as Fig. 2, shown in Fig. 3 and Fig. 4, its inside is provided with retaining valve 1-2, the common formation of its outer wall and retaining valve 1-2 1-1 suitable for reading, its shoulder is provided with a ring annular groove 1-6, and the opening of the plasmas channel 1-5 communicating with atmosphere is located in ring annular groove 1-6, and the positioning convex 1-7 of upper cover 1 is connected with the detent 2-3 of intermediate member 2;
Described intermediate member 2, the ring week flange 3-1 of its lower port 2-2 and elastic pressure reaction diaphragm 3 is bonding, and the lower surface 3-3 of elastic pressure reaction diaphragm 3 is provided with the groove 3-6 coordinating with transmission indicator stem 4 support end 4-1, as shown in Figure 1;
Described transmission indicator stem 4, by support end 4-1, connecting link 4-2 and the indication end 4-4 being connected respectively with bottom with support end 4-1 top and the hole 4-3 that is positioned at 4-4 both sides, indication end form, as shown in Figure 1.
Described upper cover 1, itself and the common composition one of intermediate member 2 connect plasmas channel 1-5, as shown in Figure 1.
Described elastic pressure reaction diaphragm 3, as shown in Figure 6 and Figure 7, its surface is provided with annular, the rings week reinforcement 3-4 of oval or other arbitrary shapes and by the waling 3-5 that disperses of mind-set surrounding, the quantity of described waling 3-5 is 2～16, the present embodiment is designed to 4, waling 3-5 is uniformly distributed with all reinforcement 3-4 of ring square crossing, the transverse shape of encircling all reinforcement 3-4 and waling 3-5 is designed to waveform, or rectangle, or triangle, or other geometric configuration, the ring week reinforcement 3-4 of the present embodiment and the transverse shape of waling 3-5 are designed to waveform.
Described elastic pressure reaction diaphragm 3, its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, its thickness is 0.1mm～2.0mm, and elastic pressure reaction diaphragm 3 planforms of the present embodiment are designed to thin rounded flakes, and its Thickness Design is 0.5mm.
Described elastic pressure reaction diaphragm 3, its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material, the material design of the present embodiment is rubber.
Using method:
The detection air bag of take is example, and in use, end opening 5-3 is connected with tested gas bag sealing by inflating catheter pressure indicator of the present invention as shown in Figure 1.Need to use syringe to inflate to 1-1 suitable for reading, gas enters lower space 1-3 as shown in Figure 2 by retaining valve 1-2, then by gap 1-4 as shown in Figure 1, enter the upper space 5-1 of lower cover 5, on the one hand the hole 4-3 of gas by transmission indicator stem 4 bottoms as shown in Figure 1 enters into lower space 5-2, and then be tested airbag aeration by end opening 5-3, the 3-3 of lower surface as shown in Figure 1 of gas push elastic pressure reaction diaphragm 3 moves upward on the other hand, drive transmission indicator stem 4 to move upward simultaneously, and then the variation of the variation indicated pressure by indication end 4-4, by the scale mark outside lower cover, read reading.The upper surface of elastic pressure reaction diaphragm 3 communicates with atmosphere by plasmas channel 1-5, and elastic pressure reaction diaphragm 3 is indicated the difference between tested intracapsular pressure and atmospheric pressure all the time, and the structure of this pressure indicator has guaranteed the accuracy of test.
The above, be only preferred embodiment of the present invention, not structure of the present invention done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical scheme of the present invention.
Claims (5)
1. a pressure indicator, comprise retaining valve, it is characterized in that: its structure is comprised of upper cover (1), intermediate member (2), elastic pressure reaction diaphragm (3), transmission indicator stem (4) and lower cover (5) parts, the structure of described each parts is as follows respectively:
Described upper cover (1), its inside is provided with retaining valve (1-2), its outer wall and retaining valve (1-2) form (1-1) suitable for reading jointly, its shoulder is provided with a ring annular groove (1-6), the opening of the plasmas channel communicating with atmosphere (1-5) is located in ring annular groove (1-6), and the positioning convex (1-7) of upper cover (1) is connected with the detent (2-3) of intermediate member (2);
Described intermediate member (2), its lower port (2-2) is bonding with the ring week flange (3-1) of elastic pressure reaction diaphragm (3), and elastic pressure reaction diaphragm (3) lower surface (3-3) is provided with the groove (3-6) coordinating with transmission indicator stem (4) support end (4-1);
Described transmission indicator stem (4), by support end (4-1), the connecting link (4-2) being connected respectively with bottom with support end (4-1) top and indication end (4-4) and hole (4-3) composition that is positioned at both sides, indication end (4-4).
2. pressure indicator according to claim 1, is characterized in that: described upper cover (1), itself and intermediate member (2) form the plasmas channel (1-5) of a perforation jointly.
3. pressure indicator according to claim 1, it is characterized in that: described elastic pressure reaction diaphragm (3), its surface is provided with annular, oval or other arbitrary shape ring week reinforcement (3-4) and by the waling (3-5) dispersed of mind-set surrounding, the quantity of described waling (3-5) is 2～16, waling (3-5) is uniformly distributed with the square crossing of ring all reinforcements (3-4), the transverse shape of encircling all reinforcements (3-4) and waling (3-5) is designed to waveform, or rectangle, or triangle, or other geometric configuration.
4. pressure indicator according to claim 1, is characterized in that: described elastic pressure reaction diaphragm (3), and its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, and its thickness is 0.1mm～2.0mm.
5. pressure indicator according to claim 1, is characterized in that: described elastic pressure reaction diaphragm (3), its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575100.2A CN103592075A (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
| CN201420216500.4U CN203881490U (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
| CN201410182019.2A CN103954396B (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
| JP2015556392A JP6009696B2 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| AU2014350920A AU2014350920B2 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| CA2929161A CA2929161C (en) | 2013-11-14 | 2014-05-15 | Pressure indicator for improving the detection accuracy |
| EP14861214.6A EP3070450B1 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| PCT/CN2014/077546 WO2015070579A1 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| US14/924,692 US10286166B2 (en) | 2013-11-14 | 2015-10-27 | Pressure indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575100.2A CN103592075A (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103592075A true CN103592075A (en) | 2014-02-19 |
Family
ID=50082305
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310575100.2A Pending CN103592075A (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
| CN201410182019.2A Active CN103954396B (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
| CN201420216500.4U Withdrawn - After Issue CN203881490U (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410182019.2A Active CN103954396B (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
| CN201420216500.4U Withdrawn - After Issue CN203881490U (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103592075A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070579A1 (en) * | 2013-11-14 | 2015-05-21 | 邹德伟 | Pressure indicator |
| CN105651424A (en) * | 2015-12-30 | 2016-06-08 | 哈尔滨工业大学 | Flexible pressure detection device |
| CN105699006A (en) * | 2015-09-15 | 2016-06-22 | 车惠英 | Dial plate type micropressure pressure indicator |
| CN106092428A (en) * | 2014-05-15 | 2016-11-09 | 大陆汽车系统公司 | There is the pressure transducer devices of high sensitivity and pinpoint accuracy |
| CN111870786A (en) * | 2020-07-29 | 2020-11-03 | 上海蕴箬生物科技有限公司 | Air bag pressure indicator |
| CN112781778A (en) * | 2021-01-29 | 2021-05-11 | 常州市第一人民医院 | Tracheal cuff monitoring device |
| CN113916636A (en) * | 2021-11-13 | 2022-01-11 | 沈阳白云机械有限公司 | Labyrinth type diaphragm of intelligent sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592075A (en) * | 2013-11-14 | 2014-02-19 | 邹德伟 | Pressure indicator |
| CN105181234B (en) * | 2015-09-15 | 2017-09-22 | 刘庆福 | A kind of instruction device for being used to measuring and indicating laryngeal mask, trachea cannula |
| JP6772481B2 (en) * | 2016-02-26 | 2020-10-21 | 株式会社ジェイ・エム・エス | Oral-related pressure measurement probe |
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
| US11311461B2 (en) | 2017-02-16 | 2022-04-26 | N.V. Nutricia | Gastrostomy device with pressure monitoring |
| CN107080863A (en) * | 2017-04-25 | 2017-08-22 | 上海契斯特医疗科技公司 | A kind of negative pressure display device and negative pressure drainage device |
| CN109387318B (en) * | 2017-08-02 | 2021-04-06 | 成都凯天电子股份有限公司 | Absolute pressure sensor of high-pressure air compressor air inlet pipe |
| CN107340092A (en) * | 2017-08-17 | 2017-11-10 | 天津美迪斯医疗用品有限公司 | A kind of aerating device with pressure indicator function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5535740A (en) * | 1995-06-07 | 1996-07-16 | Baghaee-Rezaee; Hooshang | Disposable pressure gauge for resucitators |
| AUPS255902A0 (en) * | 2002-05-24 | 2002-06-13 | Ultimate Medical Pty. Ltd. | Device and method for pressure indication |
| CN201179260Y (en) * | 2008-04-15 | 2009-01-14 | 天津美迪斯医疗用品有限公司 | Air chamber pressure indicator |
| CN202049015U (en) * | 2011-04-25 | 2011-11-23 | 无锡沃骐医疗科技有限公司 | Pressure indicating device and fluid injection equipment with same |
| CN103592075A (en) * | 2013-11-14 | 2014-02-19 | 邹德伟 | Pressure indicator |
-
2013
- 2013-11-14 CN CN201310575100.2A patent/CN103592075A/en active Pending
-
2014
- 2014-04-30 CN CN201410182019.2A patent/CN103954396B/en active Active
- 2014-04-30 CN CN201420216500.4U patent/CN203881490U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070579A1 (en) * | 2013-11-14 | 2015-05-21 | 邹德伟 | Pressure indicator |
| CN106092428A (en) * | 2014-05-15 | 2016-11-09 | 大陆汽车系统公司 | There is the pressure transducer devices of high sensitivity and pinpoint accuracy |
| CN106092428B (en) * | 2014-05-15 | 2019-08-20 | 大陆汽车系统公司 | With highly sensitive and pinpoint accuracy pressure transducer devices |
| CN105699006A (en) * | 2015-09-15 | 2016-06-22 | 车惠英 | Dial plate type micropressure pressure indicator |
| CN105651424A (en) * | 2015-12-30 | 2016-06-08 | 哈尔滨工业大学 | Flexible pressure detection device |
| CN111870786A (en) * | 2020-07-29 | 2020-11-03 | 上海蕴箬生物科技有限公司 | Air bag pressure indicator |
| CN111870786B (en) * | 2020-07-29 | 2023-08-25 | 上海数熵维度医学信息科技有限公司 | air bag pressure indicator |
| CN112781778A (en) * | 2021-01-29 | 2021-05-11 | 常州市第一人民医院 | Tracheal cuff monitoring device |
| CN112781778B (en) * | 2021-01-29 | 2021-08-27 | 常州市第一人民医院 | Tracheal cuff monitoring device |
| CN113916636A (en) * | 2021-11-13 | 2022-01-11 | 沈阳白云机械有限公司 | Labyrinth type diaphragm of intelligent sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103954396B (en) | 2015-12-16 |
| CN203881490U (en) | 2014-10-15 |
| CN103954396A (en) | 2014-07-30 |
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Effective date of registration: 20140603 Address after: 3202 room 88, No. three, 300000 West Road, Tianjin Free Trade Zone Applicant after: Tianjin Yi Yi International Trading Co., Ltd. Address before: 300385 Tian Cheng Industrial Park, 12 Hongyuan Road, Xiqing Economic Development Zone, Xiqing District, Tianjin, 10A Applicant before: Zou Dewei |
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