CN102252802A - 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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- CN102252802A CN102252802A CN2011101040375A CN201110104037A CN102252802A CN 102252802 A CN102252802 A CN 102252802A CN 2011101040375 A CN2011101040375 A CN 2011101040375A CN 201110104037 A CN201110104037 A CN 201110104037A CN 102252802 A CN102252802 A CN 102252802A
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- indication means
- opening
- processing unit
- cylindrical shell
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- 239000012530 fluid Substances 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 53
- 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
- 238000009434 installation Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 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
- 0 CCC*(CCCC*)C1=*CC(CCC2)=C2*1CCCC* Chemical compound CCC*(CCCC*)C1=*CC(CCC2)=C2*1CCCC* 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
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Images
Landscapes
- 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 a kind of fluid injection apparatus that is used to measure and indicate the pressure-indication means of injection pressure and has it particularly.
Background technology
At medical field, usually need to measure and the indication injection pressure.For example when patient was undergone surgery general anesthesia, the anesthetist need inflate the gas intubate (for example oxygen and/or anesthetic gases intubate) or the air bag of laryngeal mask, thereby provide breathing gas to patient after the gas intubate is inserted patient's trachea.In the case, the improper meeting of charge operation causes that tracheae wearing and tearing, mistake inhale and tracheostenosis, thus, need 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 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 first end of described cylindrical shell opens wide, second end sealing of described cylindrical shell; Connector, described connector is installed in first end of described cylindrical shell to seal described tube chamber, be formed with passage in the described connector, described passage has first to the 3rd opening, and described passage is communicated with described tube chamber by described 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 at the hydrodynamic pressure that is used to detect in the described tube chamber in the described passage; Processing unit, described processing unit are connected with described pressure transducer and are used to handle the fluid pressure signal of described pressure transducer detection to obtain the fluid pressure value in the described passage; 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 tube chamber, and described processing unit and described display screen are installed on the described fabricated section.
In another embodiment of the present invention, described processing unit and described display unit are located at described cylindrical shell outside, and 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 lead that passes described intercommunicating pore.Thus, the hydrodynamic pressure of tube 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 the installation housing, and described installation housing is installed in second end of described cylindrical shell and described processing unit and described display unit and is installed in the described installation housing.
Perhaps, described processing unit is integrated in first computing machine and described display unit is the display of described first computing machine.
Described pressure-indication means also comprise with described processing unit wireless connections to accept, to monitor, to store and to analyze second computing machine 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 so that have first to the 3rd support arm, and described first to the 3rd opening is respectively formed on described first to the 3rd support arm.
Preferably, be provided with the valve module that is used to open and close described 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 second opening to close and to open described 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 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 the fluid injection quickly and easily and guarantee hydrodynamic pressure in safe range, and then improve perioperative security.
Additional aspect of the present invention and advantage part in the following description 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 be with Fig. 2 similarly according to the cut-open view of the pressure-indication means of the embodiment of the invention;
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
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain 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 ", close the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " interior ", " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, 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 to describe 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 qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can link to each other indirectly 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 implication 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.Being used to indicate gaseous tension with pressure-indication means 100 below is that example describes.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 of inventing 100.
As the pressure-indication means 100 of Fig. 1-Fig. 3, comprising: cylindrical shell 1, connector 2, pressure transducer 3, processing unit 4 and display unit 5 according to the embodiment of the invention.
As shown in Fig. 2 and Fig. 3, be limited with a chamber 10 in the cylindrical shell 1, first end of cylindrical shell 1 (being the lower end among Fig. 2 and Fig. 3) opens wide, second end of cylindrical shell 1 (being the lower end among Fig. 2 and Fig. 3) sealing.Connector 2 is installed in first end of cylindrical shell 1 with sealing tube chamber 10, be formed with passage 20 in the connector 2, passage 20 has first opening 21, second opening 22 and the 3rd opening 23, wherein first opening 21 is positioned at a chamber 10, passage 20 is communicated with a tube chamber 10 by first opening 21, and promptly the interior gaseous tension in tube chamber 10 and passage 20 interior gaseous tensions equate.Passage is in communication with the outside by second opening 22 and the 3rd opening 23 respectively, and for example 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, 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 at the hydrodynamic pressure that is used in the chamber 10 in the sense channel 20.Processing unit 4 is connected with pressure transducer 3 and is used for fluid pressure signal that processing pressure sensor 3 detects to obtain the fluid pressure value in the passage 20.Display unit 5 is connected with processing unit 4 to show force value.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.
To specifically describe the pressure-indication means 100 of two embodiment according to the present invention below respectively.
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 a display screen, and processing unit is a microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 5 is a 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 detected gaseous tension signal to processing unit 4 after detecting gaseous tension (being the gaseous tension in the passage 20) in the chamber 10, back output fluid pressure value is handled in treated unit 4, demonstrate intuitively by display unit 5 then, 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 the display screen for example image or the scale formula display screen etc. of other types, and what promptly show on display screen is the image or the scale of expression hydrodynamic pressure.
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 2 are that full impregnated is bright.Alternatively, cylindrical shell 1 and push rod 2 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 2 are glass workpiece, are promptly made by glass.In one embodiment of the invention, cylindrical shell 1 is a 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 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 connection lead 8 that passes intercommunicating pore 11.Thus, the hydrodynamic pressures in the tube chamber 10 that records of pressure transducer 3 are handled and are shown intuitively by display unit 5 by processing unit 4.
As shown in Figure 3, also comprise according to the pressure-indication means 100 of an example of the present invention housing 7 is installed, the rear end that housing 7 is installed in push rod 2 is installed, and processing unit 4 and display unit 5 are installed in and install in the housing 7.Certainly, be understandable that housing 7 is installed 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 that housing 7 is installed.Alternatively, display unit 5 is a display screen, and processing unit is a microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 5 is a LCDs.Alternatively, display unit 5 is the digital display screen.Thus, in according to the passage 20 of the pressure-indication means 100 of present embodiment during inflow gas, pressure transducer 3 sends detected gaseous tension signal to processing unit 4 after detecting gaseous tension in the chamber 10, back output fluid pressure value is handled in treated unit 4, demonstrate intuitively by display unit 5 then, 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 the display screen for example image or the scale formula display screen etc. of other types, and what promptly show on display screen is the image or the scale of expression hydrodynamic pressure.
In the pressure-indication means according to another example of the present invention, processing unit 4 can be integrated in first computing machine (scheming not shown), and display unit 5 is the display of first computing machine.
Further, pressure-indication means 100 also can comprise second computing machine (scheming not shown), the processing unit 4 in second computing machine and first computing machine by wireless connections with acceptance, monitoring, storage and analysing fluid force value.Certainly, be understandable that one second computing machine can carry out wireless telecommunications with a plurality of first computing machines simultaneously, and then monitors a plurality of first computing machines simultaneously.Thus, can by wireless mode the data in real time of gaseous tension be sent to second computing machine so that supervision, store and analyze the data of a plurality of first computing machines, in other words, second computing machine 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, when pressure is lower than certain particular value, red light is bright; 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 pilot lamp and hummer simultaneously, 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 first opening 21, second opening 22 and the 3rd opening 23 of passage 20 are respectively formed on the end face of three support arms.Alternatively, cylindrical shell 1 is a cylinder.
Shown in Fig. 2 and 3, preferably, be provided with the valve module that is used to open and close second opening 22 in the passage 20, described valve module can be retaining valve, that is, can pass through second opening 22 injecting gas in passage 20, but the gas in the passage 20 can't be discharged from second opening 22.When by second opening 22 in passage 20 during injecting gas, described valve module is opened, when stopping by second opening 22 in passage 20 during 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 second opening 22 to close and to open second opening 22.When by second opening 22 in passage 20 during injecting gas, gas backs down latex plug 25 left, second opening 22 is opened, thereby injecting gas in passage 20, when stopping injecting gas, latex plug 25 can be by self elastic recovery to Fig. 2 and the position of stretching into second opening 22 shown in Figure 3, thereby closes second opening 22, avoids in the passage 20 gases to reveal by second opening 22 thus.
Below with reference to the fluid injection apparatus of Fig. 4-Fig. 5 description according to the embodiment of the invention, being used for injected gas with fluid injection apparatus below is that example describes.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 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 used to detect the pressure of the gas of injecting from syringe 200 in air bag 300.
Fluid injection apparatus according to the embodiment of the invention, syringe 200 passes through gas in second opening, 22 input channels 20, gaseous tension detects by the pressure transducer 3 in the tube chamber 10 in the passage 20, gas in the passage 20 enters into flexible pipe 400 so that enter into air bag 300 subsequently by the 3rd opening 23 simultaneously, can detect the size of gaseous tension thus in inflation in air bag 300.
Thus, according to the fluid injection apparatus of the embodiment of the invention, can carry out the fluid injection quickly and easily and guarantee hydrodynamic pressure in safe range, and then improve perioperative security.
In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination 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 under 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 (14)
1. a pressure-indication means is characterized in that, comprising:
Cylindrical shell is limited with a chamber in the described cylindrical shell, first end of described cylindrical shell opens wide, second end sealing of described cylindrical shell;
Connector, described connector is installed in first end of described cylindrical shell to seal described tube chamber, be formed with passage in the described connector, described passage has first to the 3rd opening, and described passage is communicated with described tube chamber by described 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 at the hydrodynamic pressure that is used to detect in the described tube chamber in the described passage;
Processing unit, described processing unit are connected with described pressure transducer and are used to handle the fluid pressure signal of described pressure transducer detection to obtain the fluid pressure value in the described passage; With
Display unit, described display unit is connected to show described force value with described processing unit.
2. pressure-indication means according to claim 1, it is characterized in that, 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.
3. pressure-indication means according to claim 2 is characterized in that, also comprises fabricated section, and described fabricated section is located in the described tube chamber, and described processing unit and described display screen are installed on the described fabricated section.
4. pressure-indication means according to claim 1, it is characterized in that, described processing unit and described display unit are located at described cylindrical shell outside, and 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 lead that passes described intercommunicating pore.
5. pressure-indication means according to claim 4 is characterized in that, also comprises the installation housing, and described installation housing is installed in second end of described cylindrical shell and described processing unit and described display unit and is installed in the described installation housing.
6. according to the pressure-indication means of claim 4, it is characterized in that described processing unit is integrated in first computing machine and described display unit is the display of described first computing machine.
7. pressure-indication means according to claim 6 is characterized in that, also comprise with described processing unit wireless connections to accept, to monitor, to store and to analyze second computing machine of described fluid pressure value.
8. according to the pressure-indication means of claim 1, it is characterized in that, also comprise the alarm unit that is connected with described processing unit.
9. pressure-indication means according to Claim 8 is characterized in that, described alarm unit comprises pilot lamp and/or hummer.
10. according to each described pressure-indication means among the claim 1-9, it is characterized in that described connector is T-shaped so that have first to the 3rd support arm, described first to the 3rd opening is respectively formed on described first to the 3rd support arm.
11. pressure-indication means according to claim 1 is characterized in that, is provided with the valve module that is used to open and close described second opening in the described passage.
12. pressure-indication means according to claim 11 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 second opening to close and to open described second opening.
13. a fluid injection apparatus is characterized in that, comprising:
According to each described pressure-indication means among the claim 1-12;
Syringe, described syringe comprises injection orifice, described injection orifice links to each other with 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.
14. fluid injection apparatus according to claim 13 is characterized in that, described air bag is the air bag of trachea cannula or laryngeal mask.
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| 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 |
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|---|---|---|---|
| CN 201110104037 CN102252802B (en) | 2011-04-25 | 2011-04-25 | Pressure indication device and fluid injection equipment with same |
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| CN102252802A true CN102252802A (en) | 2011-11-23 |
| CN102252802B CN102252802B (en) | 2013-04-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155049A (en) * | 2013-05-15 | 2014-11-19 | 深圳市深科医疗器械技术开发有限公司 | Apparatus for detecting pressure of fluid in a flexible pipe |
| 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 |
| CN105214179A (en) * | 2015-11-06 | 2016-01-06 | 广州中医药大学第一附属医院 | A kind of Multifunctional nerve blockage puncture pin |
| CN106620961A (en) * | 2015-10-30 | 2017-05-10 | 无锡沃骐医疗科技有限公司 | Syringe |
| CN107869647A (en) * | 2016-09-28 | 2018-04-03 | 德罗普萨股份公司 | Over-pressed indicator and its external member and the method for setting its intervention pressure |
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| CN201389242Y (en) * | 2009-04-30 | 2010-01-27 | 薛亚明 | Alarm device of intelligent oxygen breathing apparatus |
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