CN102252802B - Pressure indication device and fluid injection equipment with same - Google Patents
Pressure indication device and fluid injection equipment with same Download PDFInfo
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- CN102252802B CN102252802B CN 201110104037 CN201110104037A CN102252802B CN 102252802 B CN102252802 B CN 102252802B CN 201110104037 CN201110104037 CN 201110104037 CN 201110104037 A CN201110104037 A CN 201110104037A CN 102252802 B CN102252802 B CN 102252802B
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- pressure
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- processing unit
- passage
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- 239000012530 fluid Substances 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 50
- 239000004816 latex Substances 0.000 claims description 11
- 229920000126 latex Polymers 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 238000007789 sealing Methods 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 239000003994 anesthetic gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Images
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- Measuring Fluid Pressure (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a pressure indication device. The pressure indication device comprises a cylinder body, a connector, a pressure sensor, a processing unit, and a display unit, wherein a cylindrical cavity is defined in the cylinder body; the connector is arranged at one end of the cylinder body, a passage with a first opening, a second opening and a third opening is formed in the connector, and the passage is communicated with the cylindrical cavity through the first opening and is communicated with the external through the second opening and the third opening; the pressure sensor is arranged in the cylindrical cavity; the processing unit is connected with the pressure sensor and is used for processing a fluid pressure signal detected by the pressure sensor to obtain a fluid pressure value in the passage; and the display unit is connected with the processing unit to display a pressure value. By the pressure indication device, the pressure of air flowing through the pressure indication device can be obtained intuitively, so that the air pressure is in the safe range, and operation safety is improved. The pressure indication device has a simple structure, is easy to process, and has low processing cost. The invention also discloses fluid injection equipment with the pressure indication device.
Description
Technical field
The present invention relates to field of medical, relate to particularly a kind of pressure-indication means and the fluid injection apparatus with it for measuring and indicate injection pressure.
Background technology
At medical field, usually need to measure and the indication injection pressure.For example when patient was performed the operation general anesthesia, the anesthetist need to inflate gas intubation (for example oxygen and/or anesthetic gases intubate) or the air bag of laryngeal mask, thereby provide breathing gas to patient after gas intubation inserts patient's trachea.In the case, the improper meeting of charge operation causes that tracheae wearing and tearing, mistake inhale and tracheostenosis, thus, need to measure and indicates the gaseous tension in the air bag.
Summary of the invention
The present invention is intended to solve at least one of technical matters that exists in the prior art.
For this reason, the present invention need to provide a kind of pressure-indication means, described pressure-indication means simple in structure, and it is low to be easy to processing and cost.
The present invention also needs to provide a kind of fluid injection apparatus with described pressure-indication means.
Pressure-indication means according to first aspect present invention embodiment comprises: cylindrical shell, be limited with a chamber in the described cylindrical shell, and the first end of described cylindrical shell opens wide, the second end sealing of described cylindrical shell; Connector, described connector is installed in the first end of described cylindrical shell to seal described cylinder chamber, be formed with passage in the described connector, described passage has the first to the 3rd opening, and described passage is communicated with described cylinder chamber by described the first opening and described passage is in communication with the outside by the described second and the 3rd opening respectively; Pressure transducer, described pressure transducer are located in the described cylinder chamber for detection of the hydrodynamic pressure in the described passage; Processing unit, described processing unit are connected the fluid pressure signal that detects for the treatment of described pressure transducer to obtain the fluid pressure value in the described passage with described pressure transducer; And display unit, described display unit is connected to show described force value with described processing unit.
Pressure-indication means according to the embodiment of the invention, can obtain intuitively through the gaseous tension in the passage of pressure-indication means by pressure transducer, processing unit and display unit, thereby can guarantee that gaseous tension in safe range, has improved processing safety.And simple in structure, it is low to be easy to processing and cost.
In addition, also have following additional technical feature according to pressure-indication means of the present invention:
In one embodiment of the invention, it is transparent that described processing unit and described display unit are located at described cylindrical shell at least a portion interior and described cylindrical shell, and the transparent part of described cylindrical shell is corresponding to the position of described display unit to manifest described display unit.
Described pressure-indication means also comprises fabricated section, and described fabricated section is located in the described cylinder chamber, and described processing unit and described display screen are installed on the described fabricated section.
In another embodiment of the present invention, it is outside that described processing unit and described display unit are located at described cylindrical shell, and the second end of described cylindrical shell is provided with intercommunicating pore, and described processing unit links to each other with described pressure transducer by the wire that passes described intercommunicating pore.Thus, the hydrodynamic pressure of cylinder in the chamber that record of pressure transducer shows intuitively by processing unit processes and by display unit.
Alternatively, described pressure-indication means also comprises holder housing, and described holder housing is installed in the second end of described cylindrical shell and described processing unit and described display unit and is installed in the described holder housing.
Perhaps, described processing unit is integrated in the first computing machine and described display unit is the display of described the first computing machine.
Described pressure-indication means also comprises with described processing unit wireless connections to accept, to monitor, to store and to analyze the second computer of described fluid pressure value.
Described pressure-indication means also comprises the alarm unit that is connected with described processing unit.
Alternatively, described alarm unit comprises pilot lamp and/or hummer.
Described connector is T-shaped in order to have the first to the 3rd support arm, and described the first to the 3rd opening is respectively formed on described the first to the 3rd support arm.
Preferably, be provided be used to the valve module that opens and closes described the second opening in the described passage.
Described valve module comprises: pedestal, described pedestal are installed in the described passage; With
Latex plug, an end of described latex plug link to each other with described pedestal and the other end of described latex plug can stretch into and leave described the second opening to close and to open described the second opening.
A kind of fluid injection apparatus according to second aspect present invention embodiment comprises: according to the pressure-indication means described in the first aspect present invention embodiment; Syringe, described syringe comprises injection orifice, described injection orifice links to each other with the second opening of the described connector of described pressure-indication means; And air bag, the air intake opening of described air bag links to each other by the 3rd opening of flexible pipe with the described connector of described pressure-indication means.
Alternatively, described air bag is the air bag of trachea cannula or laryngeal mask.
According to the fluid injection apparatus of the embodiment of the invention, can carry out quickly and easily fluid injecting and guarantee hydrodynamic pressure in safe range, and then improve perioperative security.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the vertical view according to the pressure-indication means of the embodiment of the invention;
Fig. 2 is that the A-A of the pressure-indication means shown in Fig. 1 is to cut-open view;
Fig. 3 is similarly according to the cut-open view of the pressure-indication means of the embodiment of the invention with Fig. 2;
Fig. 4 is the synoptic diagram according to an example of the fluid injection apparatus of the embodiment of the invention; With
Fig. 5 is the synoptic diagram according to another example of the fluid injection apparatus of the embodiment of the invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to the pressure-indication means 100 of Fig. 1-Fig. 3 description according to the embodiment of the invention.The below is used to indicate gaseous tension take pressure-indication means 100 and describes as example.Certainly, the present invention is not limited to this, for example, also can be used to indicate fluid pressure according to the pressure-indication means 100 of inventing.
Such as the pressure-indication means 100 of Fig. 1-Fig. 3 according to the embodiment of the invention, comprising: cylindrical shell 1, connector 2, pressure transducer 3, processing unit 4 and display unit 5.
As shown in Fig. 2 and Fig. 3, be limited with a chamber 10 in the cylindrical shell 1, the first end of cylindrical shell 1 (being the lower end among Fig. 2 and Fig. 3) opens wide, the second end of cylindrical shell 1 (being the lower end among Fig. 2 and Fig. 3) sealing.Connector 2 is installed in the first end of cylindrical shell 1 with sealing cylinder chamber 10, be formed with passage 20 in the connector 2, passage 20 has the first opening 21, the second opening 22 and the 3rd opening 23, wherein the first opening 21 is positioned at a chamber 10, passage 20 is communicated with a cylinder chamber 10 by the first opening 21, and namely the interior gaseous tension in cylinder chamber 10 and passage 20 interior gaseous tensions equate.Passage is in communication with the outside by the second opening 22 and the 3rd opening 23 respectively, and for example the second opening 22 links to each other with the injection orifice of syringe, and the 3rd opening 23 links to each other with air bag 300.
Here, the first opening 21, the second openings 22 and the 3rd opening 23 should be done broad understanding, and for example in the example shown in Fig. 1-3, they are respectively the form of one section passage.
Pressure transducer 3 is located in the chamber 10 for detection of the hydrodynamic pressure in the passage 20.Processing unit 4 is connected the fluid pressure signal that detects for the treatment of pressure transducer 3 to obtain the fluid pressure value in the passage 20 with pressure transducer 3.Display unit 5 is connected to show force value with processing unit 4.Wherein wired connection can be adopted between display unit 5 and the processing unit 4, also wireless connections can be adopted.
Pressure-indication means according to the embodiment of the invention, can obtain intuitively through the gaseous tension in the passage 20 of pressure-indication means 100 by pressure transducer 3, processing unit 4 and display unit 5, thereby can guarantee that gaseous tension in safe range, has improved processing safety.And simple in structure, it is low to be easy to processing and cost.
The below will specifically describe respectively the pressure-indication means 100 of two embodiment according to the present invention.
According to first embodiment of the invention, as depicted in figs. 1 and 2, processing unit 4 and display unit 5 are located in the cylindrical shell 1, and at least a portion of cylindrical shell 1 is transparent, and the transparent part of cylindrical shell 1 is corresponding to the position of display unit 5 to manifest display unit 5.That is to say, can see the force value that display unit 5 shows by the transparent part of cylindrical shell 1 from the outside of pressure-indication means 100.Alternatively, display unit 5 is display screen, and processing unit is microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 5 is LCDs.Alternatively, display unit 5 is the digital display screen.Thus, when flowing through gas in the passage 20 according to the pressure-indication means of present embodiment, pressure transducer 3 sends the gaseous tension signal that detects to processing unit 4 after detecting gaseous tension (being the gaseous tension in the passage 20) in the chamber 10, output fluid pressure value after treated unit 4 is processed, then demonstrate intuitively by display unit 5, thereby can inject quickly and easily and guarantee gaseous tension in safe range, and then improve perioperative security.Certainly, display unit 5 can also be such as image or scale type display screen etc. of display screen of other types, is image or the scale of expression hydrodynamic pressure what show screen display namely.
Pressure-indication means 100 according to an example of the present invention also comprises fabricated section 6, and fabricated section 6 is located in the chamber 10, and processing unit 4 and display screen are installed on the fabricated section 6.
In examples more of the present invention, cylindrical shell 1 and push rod are all-transparent.Alternatively, cylindrical shell 1 and push rod are working of plastics, are for example made by the transparent plastic injection moulding.And in another example of the present invention, cylindrical shell 1 and/or push rod are glass workpiece, are namely made by glass.In one embodiment of the invention, cylindrical shell 1 is cylinder.
According to another embodiment of the invention, as shown in Figure 3, processing unit 4 and display unit 5 are located at cylindrical shell 1 outside, and the second end of cylindrical shell 1 is provided with intercommunicating pore 11, and processing unit 4 links to each other with pressure transducer 3 by the communication conductive wire 8 that passes intercommunicating pore 11.Thus, the hydrodynamic pressures in the cylinder chamber 10 that records of pressure transducer 3 are processed and are shown intuitively by display unit 5 by processing unit 4.
As shown in Figure 3, also comprise holder housing 7 according to the pressure-indication means 100 of an example of the present invention, holder housing 7 is installed in the rear end of cylindrical shell, and processing unit 4 and display unit 5 are installed in the holder housing 7.Certainly, be understandable that holder housing 7 should partially transparent, and transparent part should be corresponding to manifest display unit 5 with display unit 5.That is to say, can see the force value that display unit 5 shows by transparent part from the outside of holder housing 7.Alternatively, display unit 5 is display screen, and processing unit is microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 5 is LCDs.Alternatively, display unit 5 is the digital display screen.Thus, when according to the passage 20 interior inflow gas of the pressure-indication means 100 of present embodiment, pressure transducer 3 sends the gaseous tension signal that detects to processing unit 4 after detecting gaseous tension in the chamber 10, output fluid pressure value after treated unit 4 is processed, then demonstrate intuitively by display unit 5, thereby can inject quickly and easily and guarantee that gaseous tension is in safe range, and then improved in the perioperative safe range, and then improved perioperative security.Certainly, display unit 5 can also be such as image or scale type display screen etc. of display screen of other types, is image or the scale of expression hydrodynamic pressure what show screen display namely.
In the pressure-indication means according to another example of the present invention, processing unit 4 can be integrated in the first computing machine (scheming not shown), and display unit 5 is the display of the first computing machine.
Further, pressure-indication means 100 also can comprise second computer (scheming not shown), the processing unit 4 in second computer and the first computing machine by wireless connections with acceptance, monitoring, storage and analysing fluid force value.Certainly, be understandable that a second computer can carry out wireless telecommunications with a plurality of the first computing machines simultaneously, and then monitors simultaneously a plurality of the first computing machines.Thus, can be sent in real time second computer to the data of gaseous tension by wireless mode, so that supervise, store and analyze the data of a plurality of the first computing machines, in other words, second computer can be understood as main control computer.
In examples more of the present invention, also comprise the alarm unit that is connected with processing unit 4.Alternatively, alarm unit can comprise pilot lamp.For example, be lower than certain particular value, when red when pressure; When pressure is higher than certain particular value, amber light is bright; When pressure was between the height particular range, green light was bright.Certainly, the present invention is not limited to this, and alarm unit can also comprise hummer, and warn with different sound in the time of in pressure is in different range, or comprise simultaneously pilot lamp and hummer, perhaps be the type of alarm of other types.
As shown in Figure 1-Figure 3, in some embodiments of the invention, connector 2 has three T-shaped support arms, and wherein the first opening 21 of passage 20, the second opening 22 and the 3rd opening 23 are respectively formed on the end face of three support arms.Alternatively, cylindrical shell 1 is cylinder.
Shown in Fig. 2 and 3, preferably, be provided with in the passage 20 for the valve module that opens and closes the second opening 22, described valve module can be retaining valve, that is, can pass through the second opening 22 to passage 20 interior injecting gas, but the gases in the passage 20 can't be discharged from the second opening 22.When by the second opening 22 during to passage 20 interior injecting gas, described valve module is opened, and when stopping by the second opening 22 to passage 20 interior injecting gas, described valve module is closed.
Shown in Fig. 2 and 3, particularly, described valve module comprises pedestal 24 and latex plug 25.Pedestal 24 is installed in the passage 20, and an end of latex plug 25 is installed on the pedestal, and the other end of latex plug 25 can stretch into and leave the second opening 22 to close and to open the second opening 22.When passing through the second opening 22 to passage 20 interior injecting gas, gas backs down latex plug 25 left, the second opening 22 is opened, thereby to passage 20 interior injecting gas, when stopping injecting gas, latex plug 25 can be by self elastic recovery to Fig. 2 and the position of stretching into the second opening 22 shown in Figure 3, thereby closes the second opening 22, avoids thus passage 20 interior gases to reveal by the second opening 22.
Describe fluid injection apparatus according to the embodiment of the invention below with reference to Fig. 4-Fig. 5, the below is used for injected gas take fluid injection apparatus and describes as example.Certainly, the present invention is not limited to this, for example, and also can injecting fluid according to the fluid injection apparatus of invention.
According to the fluid injection apparatus of the embodiment of the invention, comprise pressure-indication means 100, syringe 200 and air bag 300, wherein, pressure-indication means 100 is according to the pressure-indication means of describing in the above embodiment of the present invention.
Syringe 200 comprises injection orifice, and injection orifice links to each other with the second opening 22 of the connector 2 of pressure-indication means 100.The air intake opening of air bag 300 links to each other with the 3rd opening 23 of the connector 2 of pressure-indication means 100 by flexible pipe 400.Wherein, pressure-indication means 100 is for detection of the pressure that goes out the gas of 300 interior injections from syringe 200 to air bag.
Fluid injection apparatus according to the embodiment of the invention, syringe 200 passes through gas in the second opening 22 input channels 20, passage 20 interior gaseous tensions detect by the pressure transducer 3 in the cylinder chamber 10, gas in the passage 20 enters into flexible pipe 400 in order to enter into subsequently air bag 300 by the 3rd opening 23 simultaneously, thus in the size that can detect gaseous tension in air bag 300 interior inflations.
Thus, according to the fluid injection apparatus of the embodiment of the invention, can carry out quickly and easily fluid injecting and guarantee hydrodynamic pressure in safe range, and then improve perioperative security.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (11)
1. a pressure-indication means is characterized in that, comprising:
Cylindrical shell is limited with a chamber in the described cylindrical shell, the first end of described cylindrical shell opens wide, and the second end of described cylindrical shell is provided with intercommunicating pore;
Connector, described connector is installed in the first end of described cylindrical shell to seal described cylinder chamber, be formed with passage in the described connector, described passage has the first to the 3rd opening, and described passage is communicated with described cylinder chamber by described the first opening and described passage is in communication with the outside by the described second and the 3rd opening respectively;
Pressure transducer, described pressure transducer are located in the described cylinder chamber for detection of the hydrodynamic pressure in the described passage;
Processing unit, described processing unit are connected the fluid pressure signal that detects for the treatment of described pressure transducer to obtain the fluid pressure value in the described passage with described pressure transducer; With
Display unit, described display unit is connected to show that with described processing unit the described processing unit of described force value and described display unit are located at described cylindrical shell outside, described processing unit links to each other with described pressure transducer by the wire that passes described intercommunicating pore.
2. pressure-indication means according to claim 1 is characterized in that, also comprises holder housing, and described holder housing is installed in the second end of described cylindrical shell and described processing unit and described display unit and is installed in the described holder housing.
3. according to claim 1 pressure-indication means is characterized in that, described processing unit is integrated in the first computing machine and described display unit is the display of described the first computing machine.
4. pressure-indication means according to claim 3 is characterized in that, also comprises with described processing unit wireless connections to accept, to monitor, to store and to analyze the second computer of described fluid pressure value.
5. according to claim 1 pressure-indication means is characterized in that, also comprises the alarm unit that is connected with described processing unit.
6. according to claim 5 pressure-indication means is characterized in that described alarm unit comprises pilot lamp and/or hummer.
7. each described pressure-indication means is characterized in that according to claim 1-6, and described connector is T-shaped in order to have the first to the 3rd support arm, and described the first to the 3rd opening is respectively formed on described the first to the 3rd support arm.
8. pressure-indication means according to claim 1 is characterized in that, is provided be used to the valve module that opens and closes described the second opening in the described passage.
9. pressure-indication means according to claim 8 is characterized in that, described valve module comprises:
Pedestal, described pedestal are installed in the described passage; With
Latex plug, an end of described latex plug link to each other with described pedestal and the other end of described latex plug can stretch into and leave described the second opening to close and to open described the second opening.
10. a fluid injection apparatus is characterized in that, comprising:
Each described pressure-indication means according to claim 1-9;
Syringe, described syringe comprises injection orifice, described injection orifice links to each other with the second opening of the described connector of described pressure-indication means; With
Air bag, the air intake opening of described air bag links to each other by the 3rd opening of flexible pipe with the described connector of described pressure-indication means.
11. fluid injection apparatus according to claim 10 is characterized in that, described air bag is the air bag of trachea cannula or laryngeal mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104037 CN102252802B (en) | 2011-04-25 | 2011-04-25 | Pressure indication device and fluid injection equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104037 CN102252802B (en) | 2011-04-25 | 2011-04-25 | Pressure indication device and fluid injection equipment with same |
Publications (2)
| Publication Number | Publication Date |
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| CN102252802A CN102252802A (en) | 2011-11-23 |
| CN102252802B true CN102252802B (en) | 2013-04-24 |
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| CN 201110104037 Active CN102252802B (en) | 2011-04-25 | 2011-04-25 | Pressure indication device and fluid injection equipment with same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155049B (en) * | 2013-05-15 | 2016-12-28 | 深圳市深科医疗器械技术开发有限公司 | Device for the detection of flexible pipe fluid pressure |
| CN104667395A (en) * | 2013-11-29 | 2015-06-03 | 广州耀远实业有限公司 | Laryngeal mask airbag pressure detector and laryngeal mask device |
| CN106620961A (en) * | 2015-10-30 | 2017-05-10 | 无锡沃骐医疗科技有限公司 | Syringe |
| CN105214179B (en) * | 2015-11-06 | 2019-01-29 | 广州中医药大学第一附属医院 | A kind of Multifunctional nerve blockage puncture needle |
| IT201600097477A1 (en) * | 2016-09-28 | 2018-03-28 | Dropsa Spa | Over-pressure indicator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901246A (en) * | 1974-01-24 | 1975-08-26 | Airco Inc | Balloon tracheal catheter with inflation valve and indicator |
| US4022217A (en) * | 1975-09-15 | 1977-05-10 | Dupaco Incorporated | Cuff configuration for cuff tracheal tubes |
| US4119101A (en) * | 1976-03-01 | 1978-10-10 | Victor Igich | Multiple lumen endotracheal tube and cuff with limited inflation and pressure |
| US4266550A (en) * | 1977-01-10 | 1981-05-12 | Bruner James D | Pressure indicators for inflatable cuff-type catheters |
| US4617015A (en) * | 1984-08-10 | 1986-10-14 | Halkey-Roberts Corporation | Visual pressure indicator for endotracheal cuff |
| FR2596518B1 (en) * | 1986-03-27 | 1989-06-02 | Air Liquide | GAS PRESSURE MONITORING DEVICE AND PORTABLE BREATHING APPARATUS PROVIDED WITH SUCH A DEVICE |
| FR2764060A1 (en) * | 1997-05-27 | 1998-12-04 | Taema | Inductive type gas pressure monitoring device for portable respirators. |
| CN2822547Y (en) * | 2005-08-08 | 2006-10-04 | 中国人民解放军第四军医大学 | Pressurization device of cavum subarachnoidale through sphenoidotomy |
| CN2901272Y (en) * | 2005-12-01 | 2007-05-16 | 刘伟 | Tracheal catheter sleeve sac inner pressure monitor |
| CN2877566Y (en) * | 2006-03-06 | 2007-03-14 | 李新 | Uterus and oviduct examining device by pressure transfusion |
| CN201260840Y (en) * | 2008-04-28 | 2009-06-24 | 李欣 | Intramedullary infusion needle with pressure monitoring device |
| CN201389242Y (en) * | 2009-04-30 | 2010-01-27 | 薛亚明 | Alarm device of intelligent oxygen breathing apparatus |
| 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 |
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