CN103954396B - Pressure indicator - Google Patents
Pressure indicator Download PDFInfo
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- CN103954396B CN103954396B CN201410182019.2A CN201410182019A CN103954396B CN 103954396 B CN103954396 B CN 103954396B CN 201410182019 A CN201410182019 A CN 201410182019A CN 103954396 B CN103954396 B CN 103954396B
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- pressure
- upper cover
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- scale mark
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Abstract
The invention discloses a kind of structure of pressure indicator, form by upper cover and lower cover the intermediate member, elastic pressure reaction diaphragm and the transmission indicator stem that set gradually in shell body and shell body inner chamber thereof to form, wherein: in upper cover lower space, be provided with the positioning convex sub-buckle communicated with air, center is provided with the projection of round hat, and positioning convex sub-buckle is connected with manner with the detent box of intermediate member; Be provided with the ring week groove for connecting elastic pressure reaction diaphragm bottom intermediate member, hull outside wall is provided with sign negative pressure, the scale mark of safe pressure and high pressure; Transmission indicator stem is by support end, and indication end, support end and trace form.The material of intermediate member and elastic pressure reaction diaphragm is respectively the silastic material that hardness is 40-80A and 10-60A.The maximum outside diameter size 10mm ~ 25mm at upper cover and lower cover fastening place.Pressure of the present invention instruction is sensitive, and compact is easy to operate, is specially adapted to the monitoring of pressure of laryngeal mask, trachea cannula utricule.
Description
Technical field
The present invention relates to a kind of pressure indicator, for measuring and instruction laryngeal mask, the air bag in trachea cannula structure or the pressure in water pocket.
Background technology
In the medical field, laryngeal mask is a kind of novel gas passage equipment in recent years occurred, it is used to, in operation, anesthetic gases and oxygen are sent into the device in unconscious patient body.Trachea cannula is important medical supplies conventional in rescue service, is the Medical treatment device used in management of respiratory.
As sealing and the air bag or the water pocket that are fixed on body cavities, be applied at large in the medical instruments field such as laryngeal mask, trachea cannula.Consider for Safe of Medical Device, very important to the pressure detection of air bag or water pocket, need clinically to adopt and measure and indicate the indicator of laryngeal mask trachea cannula to detect the pressure of air bag or water pocket at any time.
In prior art, application number is November 14 2013 2013207276348(applying date) Chinese invention patent instructions " pressure indicator ", disclose a kind of structure of pressure indicator, its structure is made up of upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover member, wherein:
Described upper cover, its inside is provided with retaining valve, and its outer wall and retaining valve form suitable for reading jointly, and its shoulder is provided with a ring annular groove, the opening of the plasmas channel communicated with air is located in ring annular groove, and the positioning convex of upper cover is connected with the detent of intermediate member.
Described intermediate member, its lower port is bonding with the ring week flange of elastic pressure reaction diaphragm, and the lower surface of elastic pressure reaction diaphragm is provided with the groove coordinated with transmission indicator stem support end;
Described transmission indicator stem, by support end, the connecting link be connected respectively with support end top and bottom and indication end and the hole being positioned at both sides, indication end form.
Described elastic pressure reaction diaphragm, its all reinforcement of ring being provided with annular, ellipse or other arbitrary shapes on the surface and the waling dispersed to surrounding by center, the quantity of described waling is 2 ~ 16, waling and the reinforcement square crossing of ring week are uniformly distributed, the transverse shape of all reinforcements of ring 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.
Its advantage is:
1) pressure indicating range is wide, can reach 10cm water column to 100cm water column range.
2) indicate precision high, resolvability is strong.
3) strong adaptability, can be used for the control survey of air pressure or hydraulic pressure.
But
,the structure of the 1. transmission indicator stem in pressure indicator combiner, 2. the prompting aspect that is uncertain and 3. pressure instruction of the material of intermediate member has following weak point respectively:
1. the weak point of the structure existence of transmission indicator stem:
Structure due to transmission indicator stem is by support end, the connecting link be connected respectively with support end top and bottom and indication end and the hole being positioned at both sides, indication end form, wherein the hole of both sides, indication end is in indication end instruction draught head process, the instruction of transmission indicator stem can be caused sensitive not, and indicating effect is not good enough.
2. the weak point of the uncertainty existence of intermediate member material
Intermediate member lower port and elastic pressure sense film loop week flange bonding, the material of elastic pressure reaction diaphragm is defined as rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material, due to difference meeting directly both impacts adhesive effect of material, so the uncertainty of intermediate member material can cause its adhesive effect to occur bad phenomenon.
3. the weak point of the prompting existence of pressure instruction
In using method, mention from the scale mark lower cover and read reading, be only scale mark, do not point out the marking line of negative pressure, safe pressure and malleation.
Summary of the invention
The object of the invention is the weak point existed for prior art, and provide a kind of pressure indicator that the structure of prior art Shortcomings part is improved, described improvements: the hole that both sides, indication end are not set in the structure of transmission indicator stem; Material selected by flexible sheet is the silicon rubber material of single kind; The outer wall surface layer of lower cover has set up the scale mark expressing pressure, thus solves above-mentioned prior art Problems existing.
For achieving the above object, the technical scheme adopted is in the present invention:
A kind of pressure indicator, comprise upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover, it is characterized in that: its structure forms by upper cover and lower cover the intermediate member, elastic pressure reaction diaphragm, the transmission indicator stem that set gradually in transparent or semitransparent plastic material shell body and shell body hollow cavity and forms, and the structure of each described building block is as follows respectively:
Described upper cover and lower cover, its profile is all in funnel-shaped structure, and upper cover big uncork end is provided with groove, and the big uncork end of lower cover is provided with bead, forms the hollow cavity of shell body together with the groove of upper cover is interlocked with the bead of lower cover;
Described upper cover, its upper end side is provided with the interface be connected with the inflation/suction port of external device (ED), is provided with 1 ~ 6 the cylindrical positioning convex sub-buckle communicated with air in lower space, and its center is provided with the projection of top in circle hat;
Described lower cover, its lower end side is provided with and laryngeal mask, and what the air bag in trachea cannula structure or the gas-filled tube of water pocket were connected connects mouth, and its madial wall is evenly equipped with 3 ~ 8 reinforcements, and lateral wall is provided with A, the pressure sign district of B and C scale mark;
Described intermediate member, its upper surface is provided with the detent box corresponding with the cylindrical positioning convex sub-buckle communicated with air in upper cover, middle part is provided with groove, the cruciform bracing frame heaved is provided with in groove, the air flue that the uniform arrangement in side communicates with lower space in upper cover, bottom is provided with the ring week groove for connecting elastic pressure reaction diaphragm;
Described elastic pressure reaction diaphragm, angle of inclination between all flanges of its ring and wedged bottom is 45 ~ 60 °, bottom groove and the wedged bottom one section of radius that connects is the arc section that raises up of R4mm ~ R10mm, and its one-piece construction profile design is bowl-type, cartridge type, or other solid geometry shape;
Described transmission indicator stem, by support end, indication end and be connected the trace composition of top braces end and indication end, bottom, wherein the first half of indication end and Lower Half are respectively upper space and the lower space of lower cover.
The connection of described upper cover and intermediate member implements to be connected to fasten fastening mode with the cylindrical positioning convex sub-buckle of upper cover by the detent box of intermediate member.
Described A, B and C scale mark, A scale mark indicates negative pressure, and B scale mark indicates safe pressure, C scale mark indicates high pressure, described A, B and C3 scale mark, for consistency from top to bottom is arranged in parallel, the physical dimension of A scale mark and B scale mark is the physical dimension of 1mmx15mm, C scale mark is 2x15mm.
The material of described intermediate member and elastic pressure reaction diaphragm, is respectively silastic material that hardness is 40-80A and hardness is the silastic material of 10-60A.
Described lower cover inwall reinforcement, its quantitative design 2 ~ 8, its shape of cross section is designed to trapezoidal, rectangle, arc or other geometric configuration.
Bonding agent between described intermediate member and elastic pressure reaction diaphragm is silica gel bonding agent.
Described upper cover and lower cover fastening place maximum outside diameter are of a size of 10mm ~ 25mm.
Beneficial effect of the present invention
Compared with prior art, the present invention has following beneficial effect:
1) by the connected mode of the primary and secondary button of upper cover and intermediate member, make the intermediate member in pressure test operating process be in steady state (SS), and simple and convenient assembly is quick.
2) owing to not arranging the hole of both sides, indication end in the structure of transmission indicator stem, therefore in instruction draught head change procedure, the instruction of transmission indicator stem is still in sensitive and plateau, and indicating effect is good.
3) selected by the material of intermediate member and flexible sheet material be chosen to be the single silicon rubber material determined, thus the good bonding effect of intermediate member and elasticity reaction diaphragm can be ensured.
4) tag of pressure instruction is obvious, can realize negative pressure monitoring and malleation detection, ensure the security used.
Accompanying drawing explanation
Fig. 1 is a kind of structure cut-open view of pressure indicator;
Fig. 2 is superstructure cut-open view;
Fig. 3 is superstructure side view;
Fig. 4 is intermediate member sectional view;
Fig. 5 is intermediate member side view;
Fig. 6 is elastic pressure reaction diaphragm sectional view;
Fig. 7 is elastic pressure reaction diaphragm side view;
Fig. 8 is the enlarged drawing of scale mark;
Fig. 9 is lower cover structure sectional view;
Figure 10 upper cover partial enlarged drawing;
Figure 11 lower cover partial enlarged drawing.
In Fig. 1: 1 upper cover; 1-1 is suitable for reading; 1-2 retaining valve; 1-3 lower space; 1-4 gap; 2 intermediate members; 3 elastic pressure reaction diaphragms; The all flanges of 3-1 ring; 3-2 upper surface; 3-3 lower surface; 3-6 groove; 4 transmission indicator stems; 4-1 support end; 4-2 trace; 4-3 indication end; 5 lower covers; 5-1 upper space; 5-2 lower space; 5-3 end opening; 5-4 strengthening rib strip; 5-5 connects mouth.
In Fig. 2: 1-5 positioning convex sub-buckle; 1-6 interface; 1-7 is protruding; 1-8 groove.
In Fig. 3: 1-1 is suitable for reading.
In Fig. 4: all grooves of 2-2 ring; 2-5 detent box; 2-6 cross supporting frame.
In Fig. 5: 2-3 groove; 2-4 air flue; 2-5 detent box; 2-6 cross supporting frame;
In Fig. 6: all flanges of 3-1 ring; 3-2 arc section; 3-3 wedged bottom; 3-4 groove.
In Fig. 7: all flanges of 3-1 ring; 3-3 lower surface; 3-4 groove.
In Fig. 8: A negative pressure; B safe pressure; C high pressure.
In Fig. 9: 5-4 reinforcement; 5-11 flange.
In Figure 10: 1-8 groove.
In Figure 11: 5-11 flange.
Embodiment
In order to make those skilled in the art person understand technical solution of the present invention better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Embodiment
Refer to Fig. 1 ~ Figure 11, a kind of pressure indicator, comprise upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover, it is characterized in that: its structure forms by upper cover 1 and lower cover 5 intermediate member 2, elastic pressure reaction diaphragm 3, the transmission indicator stem 4 that set gradually in transparent or semitransparent plastic material shell body and shell body hollow cavity and forms, and the structure of each described building block is as follows respectively:
Described upper cover 1 and lower cover 5, its profile is all in funnel-shaped structure, and upper cover 1 big uncork end is provided with groove 1-8, and the big uncork end of lower cover 5 is provided with bead 5-11, forms the hollow cavity of shell body together with the groove 1-8 of upper cover 1 is interlocked with the bead 5-11 of lower cover 5;
Described upper cover 1, its upper end side is provided with the interface 1-6 be connected with the inflation/suction port of external device (ED), is provided with 1 ~ 6 the cylindrical positioning convex sub-buckle 1-5 communicated with air in lower space 1-3, and its center is provided with the protruding 1-7 of top in circle hat;
Described lower cover 5, its lower end side is provided with and laryngeal mask, and what the air bag in trachea cannula structure or the snorkel of water pocket were connected meets mouth 5-5, and its madial wall is evenly equipped with 3 ~ 8 reinforcements, and lateral wall is provided with A, the pressure sign district of B and C scale mark;
Described intermediate member 2, its upper surface is provided with the detent box 2-5 corresponding with the cylindrical positioning convex sub-buckle 1-5 communicated with air in upper cover 1, middle part is provided with groove 2-3, the cruciform bracing frame 2-6 heaved is provided with in groove 2-3, the air flue 2-4 that the uniform arrangement in side communicates with lower space 1-3 in upper cover 1, bottom is provided with the ring week groove 2-2 for connecting elastic pressure reaction diaphragm 3;
Described elastic pressure reaction diaphragm 3, angle of inclination between its ring week flange 3-1 and wedged bottom 3-3 is 45 ~ 60 °, the present embodiment designs 50 °, bottom groove 3-4 and the wedged bottom 3-3 one section of radius that connects is the arc section 3-2 that raises up of R4mm ~ R10mm, one section of radial design of the present embodiment is R7mm, its one-piece construction profile design is bowl-type, cartridge type, or other solid geometry shape, the present embodiment design bowl-type;
Described transmission indicator stem 4, by support end 4-1, indication end 4-3 forms with the trace 4-2 being connected top braces end 4-1 and indication end, bottom 4-3, and wherein the first half of indication end 4-3 and Lower Half are respectively upper space 5-1 and the lower space 5-2 of lower cover 5.
The connection of described upper cover 1 and intermediate member 2 implements to be connected to fasten fastening mode with the cylindrical positioning convex sub-buckle 1-5 of upper cover 1 by the detent box 2-5 of intermediate member 2.
Described A, B and C scale mark, A scale mark indicates negative pressure, and B scale mark indicates safe pressure, C scale mark indicates high pressure, described A, B and C scale mark, for consistency from top to bottom is arranged in parallel, the physical dimension of A scale mark and B scale mark is the physical dimension of 1mmx15mm, C scale mark is 2x15mm.
The material of described intermediate member 2 and elastic pressure reaction diaphragm 3, is respectively silastic material that hardness is 40-80A and hardness is the silastic material of 10-60A, the present embodiment design 70A and 30A.
Described lower cover 5 inwall reinforcement 5-4, its quantitative design 2 ~ 8, the present embodiment designs 6, and its shape of cross section is designed to trapezoidal, rectangle, arc or other geometric configuration, the present embodiment design arc.
Bonding agent between described intermediate member 2 and elastic pressure reaction diaphragm 3 is silica gel bonding agent.
Described upper cover 1 and lower cover 5 fastening place maximum outside diameter are of a size of 10mm ~ 25mm, the present embodiment design 23.5mm.
Principle of work:
To detect laryngeal mask, pressure in air bag in trachea cannula structure is example, on shell body, the inflation/suction port of end interface 1-6 and external device (ED) is connected, lower termination mouth 5-5 and laryngeal mask, the gas-filled tube of the air bag in trachea cannula structure is connected, after connection, the cavity 2-1 inner chamber that intermediate member 2 and elastic pressure reaction diaphragm 3 are formed communicates with air, form external pressure room, cavity 2-1 space outerpace and shell body inner chamber form air pressure inside room jointly, with the change of inside and outside air-pressure chamber draught head, elastic pressure reaction diaphragm 3 can produce deformation displacement, drive transmission indicator stem indication end 4-3 to move up and down along lower cover 5 cavity axial direction simultaneously, during use, inflate from 1-1 suitable for reading with syringe, gas enters lower space 1-3 by retaining valve 1-2, then the upper space 5-1 of lower cover 5 is entered by gap 1-4, gas enters into lower space 5-2 by transmission indicator stem 4 indication end 4-3 and lower cover 5 inwall gap simultaneously, and then be tested airbag aeration by end opening 5-3, due to the existence of interior mistress's draught head, thus cause gas push elastic pressure reaction diaphragm 3 lower surface 3-3 to move upward, drive transmission indicator stem 4 to move upward simultaneously, the profile that indication end 4-3 is formed along the reinforcement 5-4 of lower cover 5 inner wall surface under the drive of trace 4-2 moves up simultaneously, and then by the change of the change indicated pressure of indication end 4-3, by the A of lower cover 5 outside surface, B and C scale mark understands intracapsular pressure situation.The independence of inner and outer air pressure room ensure that the structure of this pressure indicator ensure that the sensitivity of test.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (7)
1. a pressure indicator, comprise upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover, it is characterized in that: its structure forms by upper cover (1) and lower cover (5) intermediate member (2), elastic pressure reaction diaphragm (3), the transmission indicator stem (4) that set gradually in transparent or semitransparent plastic material shell body and shell body hollow cavity and forms, and the structure of each described building block is as follows respectively:
Described upper cover (1) and lower cover (5), its profile is all in funnel-shaped structure, upper cover (1) big uncork end is provided with groove (1-8), the big uncork end of lower cover (5) is provided with bead (5-11), forms the hollow cavity of shell body together with the groove (1-8) of upper cover (1) is interlocked with the bead (5-11) of lower cover (5);
Described upper cover (1), its upper end side is provided with the interface (1-6) be connected with the inflation/suction port of external device (ED), be provided with 1 ~ 6 the cylindrical positioning convex sub-buckle (1-5) communicated with air in lower space (1-3), its center is provided with the projection (1-7) of top in circle hat;
Described lower cover (5), its lower end side is provided with and laryngeal mask, and what the air bag in trachea cannula structure or the gas-filled tube of water pocket were connected connects mouth (5-5), and its madial wall is evenly equipped with 3 ~ 8 reinforcements, and lateral wall is provided with A, the pressure sign district of B and C scale mark;
Described intermediate member (2), its upper surface is provided with the detent box (2-5) corresponding with the cylindrical positioning convex sub-buckle (1-5) communicated with air in upper cover (1), middle part is provided with groove (2-3), the cruciform bracing frame (2-6) heaved is provided with in groove (2-3), the air flue (2-4) that the uniform arrangement in side communicates with upper cover (1) interior lower space (1-3), bottom is provided with ring week groove (2-2) for connecting elastic pressure reaction diaphragm (3);
Described elastic pressure reaction diaphragm (3), angle of inclination between its ring week flange (3-1) and wedged bottom (3-3) is 45 ~ 60 °, bottom groove (3-4) and wedged bottom (3-3) the one section of radius that connects is the arc section 3-2 that raises up of R4mm ~ R10mm, its one-piece construction profile design is bowl-type, cartridge type, or other solid geometry shape;
Described transmission indicator stem (4), by support end (4-1), indication end (4-3) and be connected trace (4-2) composition of top braces end (4-1) and indication end, bottom (4-3), wherein the first half of indication end (4-3) and Lower Half are respectively upper space (5-1) and the lower space (5-2) of lower cover (5).
2. pressure indicator according to claim 1, it is characterized in that: the connection of described upper cover (1) and intermediate member (2) implements to be connected to fasten fastening mode with the cylindrical positioning convex sub-buckle (1-5) of upper cover (1) by the detent box (2-5) of intermediate member (2).
3. pressure indicator according to claim 1, it is characterized in that: described A, B and C scale mark, A scale mark indicates negative pressure, and B scale mark indicates safe pressure, C scale mark indicates high pressure, described A, B and C scale mark, for consistency from top to bottom is arranged in parallel, the physical dimension of A scale mark and B scale mark is the physical dimension of 1mmx15mm, C scale mark is 2x15mm.
4. pressure indicator according to claim 1, is characterized in that: the material of described intermediate member (2) and elastic pressure reaction diaphragm (3), is respectively silastic material that hardness is 40-80A and hardness is the silastic material of 10-60A.
5. pressure indicator according to claim 1, is characterized in that: described lower cover (5) inwall reinforcement (5-4), its quantitative design 2 ~ 8, and its shape of cross section is designed to trapezoidal, rectangle, arc or other geometric configuration.
6. pressure indicator according to claim 1, is characterized in that: the bonding agent between described intermediate member (2) and elastic pressure reaction diaphragm (3) is silica gel bonding agent.
7. pressure indicator according to claim 1, is characterized in that: described upper cover (1) and lower cover (5) fastening place maximum outside diameter are of a size of 10mm ~ 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410182019.2A CN103954396B (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575100.2 | 2013-11-14 | ||
| CN201310575100.2A CN103592075A (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
| CN201410182019.2A CN103954396B (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103954396A CN103954396A (en) | 2014-07-30 |
| CN103954396B true CN103954396B (en) | 2015-12-16 |
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 Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310575100.2A Pending CN103592075A (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420216500.4U Withdrawn - After Issue CN203881490U (en) | 2013-11-14 | 2014-04-30 | Pressure indicator |
Country Status (1)
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| CN (3) | CN103592075A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070579A1 (en) * | 2013-11-14 | 2015-05-21 | 邹德伟 | Pressure indicator |
| CN103592075A (en) * | 2013-11-14 | 2014-02-19 | 邹德伟 | Pressure indicator |
| GB201412246D0 (en) * | 2014-05-15 | 2014-08-20 | Continental Automotive Systems | Pressure sensor device with high sensitivity and high accuracy |
| 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 |
| CN105699006B (en) * | 2015-09-15 | 2018-04-03 | 亚美斯特（天津）医疗器械有限公司 | A kind of dial type minute-pressure pressure indicator |
| CN105651424B (en) * | 2015-12-30 | 2019-01-08 | 哈尔滨工业大学 | A kind of pliable pressure detection device |
| 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 |
| WO2018150217A1 (en) * | 2017-02-16 | 2018-08-23 | 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 |
| 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 |
| CN112781778B (en) * | 2021-01-29 | 2021-08-27 | 常州市第一人民医院 | Tracheal cuff monitoring device |
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- 2013-11-14 CN CN201310575100.2A patent/CN103592075A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103954396A (en) | 2014-07-30 |
| CN203881490U (en) | 2014-10-15 |
| CN103592075A (en) | 2014-02-19 |
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Effective date of registration: 20160927 Address after: 300456, Tian Cheng Industrial Park, 12 Hongyuan Road, Xiqing Development Zone, Xiqing District, Tianjin, 10A Patentee after: Meidisi Medical Products Co., Ltd., Tianjin Address before: 300456, Tian Cheng Industrial Park, 12 Hongyuan Road, Xiqing Development Zone, Xiqing District, Tianjin, 10A Patentee before: Zou Dewei |