CN101991419B - Negative-pressure inspiratory pressure measuring device and inspiratory pressure measuring method thereof - Google Patents
Negative-pressure inspiratory pressure measuring device and inspiratory pressure measuring method thereof Download PDFInfo
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- CN101991419B CN101991419B CN200910167507A CN200910167507A CN101991419B CN 101991419 B CN101991419 B CN 101991419B CN 200910167507 A CN200910167507 A CN 200910167507A CN 200910167507 A CN200910167507 A CN 200910167507A CN 101991419 B CN101991419 B CN 101991419B
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Abstract
The invention relates to a negative-pressure inspiratory pressure measuring device and an inspiratory pressure measuring method thereof. The negative-pressure inspiratory pressure measuring device comprises a gas pipe, a spring and an indication piece, wherein the gas pipe contains a scale unit representing the air pressure; the inside of the gas pipe is provided with a gas channel, a first opening and a second opening; the first opening is used to connect the gas channel with the outside and connected with the patient; the second opening is used to connect the gas channel with the outside and opposite to the first opening; the spring contains a fixing end used for connecting the gas pipe and a free end which is opposite to the fixing end and close to the second opening; and the indication piece is arranged on the free end and can move in the gas channel. When the patient inhales, gas flows in the gas channel from the second opening and flows out through the first opening, the indication piece is driven by gas to move to the first opening and compress the spring; and the indication piece corresponds to the position of one measurement pressure value of the scale unit. The pressure measuring device of the invention has simple structure and small volume, can reduce the manufacturing hours and the manufacturing cost, and can also measure the gas pressure quickly and accurately when the patient inhales.
Description
Technical field
The present invention relates to a kind of negative inspiratory pressure pressure measuring equipment and pressure of inspiration(Pi) method for measurement thereof that breathing medical is looked after that be used for, particularly relate to and a kind ofly could break away from the negative inspiratory pressure pressure measuring equipment and the pressure of inspiration(Pi) method for measurement thereof of the use of respiratory system to judge the patient through measuring the gas pressure value size of patient when air-breathing.
Background technology
Keep the patient of respiratory effort and whether have the ability of autonomous respiration in order to learn the dependence respiratory system; One gas pressure measuring equipment usually can be set on respiratory system measure the gas pressure of patient when air-breathing; Judge the ability of patient's autonomous respiration by the gas pressure value size that measures, so that the caregiver can determine in view of the above whether the patient can break away from the use of respiratory system, like United States Patent (USP) the 6th; 854, No. 334 patent cases.
Because it is comparatively complicated in the design of the structure of the pressure measuring equipment of this case; And whole volume is big, and when on making, not only expending more worker, and manufacturing cost is also higher; This shows; Above-mentioned existing gas pressure measuring equipment obviously still has inconvenience and defective, and demands urgently further improving in product structure and use.For solving the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion; And common product and method do not have appropriate structure and method to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore, how to found a kind of new negative inspiratory pressure pressure measuring equipment and pressure of inspiration(Pi) method for measurement thereof, visualize a kind of simple in structure and design that volume is little, become the present invention then and want further improved theme, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to; Overcome the defective that existing gas pressure measuring equipment exists; And it is a kind of in order to measure the negative inspiratory pressure pressure measuring equipment of the gas pressure of patient when air-breathing to provide a kind of negative inspiratory pressure pressure measuring equipment of new structure, technical problem to be solved to provide, and its simple structure and volume are little; In the time of worker can being saved and reduce manufacturing cost, be very suitable for practicality.
Another object of the present invention is to, a kind of pressure of inspiration(Pi) method for measurement is provided, technical problem to be solved provide a kind of can be rapidly and positively measure the pressure of inspiration(Pi) method for measurement of the gas pressure of patient when air-breathing, thereby be suitable for practicality more.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.A kind of negative inspiratory pressure pressure measuring equipment according to the present invention's proposition; In order to measure the gas pressure value of patient when air-breathing; Wherein, This negative inspiratory pressure pressure measuring equipment comprises: an appendix; Be transparence and comprise that one is shown in outer surface in order to represent the scale unit of air pressure size, this appendix defines a gas flow, and makes this gas flow and external communications and first opening in order to be connected with this patient, reaches one and makes this gas flow and external communications and be positioned at second opening of this first opening end opposite; One spring is arranged in this gas flow and comprises that one is connected in the stiff end of this appendix, and one be positioned at this stiff end end opposite and contiguous this second opening free end; An and indication piece; Be arranged on this free end of this spring and can in this gas flow, move; The air-breathing seasonal epidemic pathogens of this patient is known from experience by flowing out in this this gas flow of second opening inflow and via this first opening; This indication piece is driven by this gas and move and compress this spring, and this indication piece can be corresponding to the force value position that measures in this scale unit towards this first opening.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Preferably, aforesaid negative inspiratory pressure pressure measuring equipment, wherein said indication piece outer peripheral edges and this appendix define this gas flow an inner surface separately.Whereby, make the patient by first opening when air-breathing, portion gas can drive indication piece and move towards first opening direction, and portion gas can be flow to first opening by the gap between indication piece and inner surface.
Preferably; Aforesaid negative inspiratory pressure pressure measuring equipment; Wherein said appendix comprises that also a plurality of different colours that appear respectively in order to represent between different baric areas and can supply the corresponding color marked area of this indication piece, make whether the pressure of inspiration(Pi) the when caregiver can learn that the patient is air-breathing through position, indication piece pairing color marked area is sufficient.
Preferably, aforesaid negative inspiratory pressure pressure measuring equipment, wherein said appendix comprise that also one is arranged at the keeper of using in this gas flow for this stiff end clamping of this spring, make spring firmly to be positioned in the gas flow.
Preferably, aforesaid negative inspiratory pressure pressure measuring equipment, but its also comprise one be arranged in this gas flow and contiguous this first opening in order to stop first catch of this patient's body fluid and supplied gas circulation.
Preferably, aforesaid negative inspiratory pressure pressure measuring equipment, wherein said appendix also define one and are positioned between this first, second opening and the through hole of contiguous this first opening, and this through hole makes this gas flow and external communications.
Preferably, aforesaid negative inspiratory pressure pressure measuring equipment, but its also comprise one and be arranged in this through hole in order to stop second catch of this patient's body fluid and supplied gas circulation, contact the caregiver to avoid patient's body fluid to be stained with.
Preferably; Aforesaid negative inspiratory pressure pressure measuring equipment; Wherein said appendix comprises that also one defines the body of this gas flow and this first opening, and one be sheathed on this body and define this second opening and supply the lid of this indication piece butt, and this scale unit is arranged on this body.
The object of the invention and solve its technical problem and also adopt following technical scheme to realize.A kind of pressure of inspiration(Pi) method for measurement according to the present invention's proposition; Be applicable to that one has on the negative inspiratory pressure pressure measuring equipment of an appendix; This appendix defines a gas flow; Reach one first opening and one second opening that are communicated with and are positioned at end opposite respectively with this gas flow; This method comprises following step: (A). and air-breathing at this first opening, gas is flowed in this gas flow and towards this first opening by this second opening flow, this gas can drive an indication piece and move and compress a spring towards this first opening; And (B). watch this indication piece to learn the size of the force value that measures corresponding to the unitary position of a scale on this appendix.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Preferably, aforesaid pressure of inspiration(Pi) method for measurement, it also comprises one and is positioned at this step (A) step (C) before, seals one on this appendix and is positioned between this first, second opening and the through hole that is communicated with this gas flow.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme; Negative inspiratory pressure pressure measuring equipment of the present invention and pressure of inspiration(Pi) method for measurement thereof have advantage and beneficial effect at least: by above-mentioned technological means; Negative inspiratory pressure pressure measuring equipment of the present invention; Because simple structure is gone up in design and volume is little, in the time of therefore saving worker and reduce manufacturing cost, and the caregiver can rapidly and positively learn out the gas pressure the when patient is air-breathing.
In sum, the invention provides that a kind of its simple structure and volume are little in order to measure the negative inspiratory pressure pressure measuring equipment of the gas pressure of patient when air-breathing, in the time of can saving worker and reduce manufacturing cost, be very suitable for practicality.The present invention provides a kind of pressure of inspiration(Pi) method for measurement in addition, can be rapidly and positively measure the gas pressure of patient when air-breathing, thus be suitable for practicality more.The present invention has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of description, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the axonometric chart of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment.
Fig. 2 is the exploded perspective view of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment.
Fig. 3 is the cutaway view along V-V section among Fig. 1.
Fig. 4 is the flow chart of the pressure of inspiration(Pi) method for measurement of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment.
Fig. 5 is the operation chart of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment, finger is described earlier behind the sealing through hole, and the patient is when first opening is air-breathing, and gas can drive indication piece and move towards first opening direction.
Fig. 6 is the operation chart of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment, explains that the indication portion of indication piece corresponds to the position of scale unit and color marked area.
Fig. 7 is the cutaway view of similar Fig. 3, and another enforcement aspect of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment is described, appendix is only established first catch separately.
Fig. 8 is the cutaway view of similar Fig. 3, and another enforcement aspect of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment is described, appendix is only established second catch separately.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To negative inspiratory pressure pressure measuring equipment and its specific embodiment of pressure of inspiration(Pi) method for measurement, structure, method step, characteristic and the effect thereof that proposes according to the present invention, specify as after.
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly appear.Through the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic provide reference and explanation usefulness, be not to be used for the present invention is limited.
Before the present invention is described in detail, it should be noted that in following description similar elements is to represent with identical numbering.
Seeing also shown in Figure 1ly, is the axonometric chart of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment.The negative inspiratory pressure pressure measuring equipment 100 of preferred embodiment of the present invention is to be applied on the respiratory system, mainly in order to measure the gas pressure value of patient when air-breathing.
See also Fig. 1, Fig. 2 and shown in Figure 3, Fig. 2 is the exploded perspective view of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment, and Fig. 3 is the cutaway view along V-V section among Fig. 1.This negative inspiratory pressure pressure measuring equipment 100 comprises an appendix 1, and is arranged at the spring 2 in the appendix 1, and the indication piece 3 that is arranged in the appendix 1.
Above-mentioned appendix 1 is transparence, and it comprises a body 11; Reach one in order to be sheathed on the lid 13 of body 11 1 ends; The first pipe portion 110 of body 11 defines a gas flow 111, and one make gas flow 111 and external communications first opening 112, and lid 13 defines one and is positioned at first opening, 112 end opposite and makes second opening 131 of gas flow 111 and external communications; First opening, 112 ends of body 11 can be connected with patient's autogenous cutting mouth through autogenous cutting pipe (figure does not show); Or be connected with the breathing mask that is located at patient's snout through three-way pipe (figure do not show), whereby, when the patient is air-breathing; The outside gas of negative inspiratory pressure pressure measuring equipment 100 can be by in second opening, the 131 inflow gas runners 111, and flow out to autogenous cutting pipe or three-way pipe via first opening 112.
The outer surface of the first pipe portion 110 of body 11 convexes with the second pipe portion 113 of contiguous first opening 112; This second pipe portion 113 define one be communicated with and be positioned at 112,131 of first, second openings with gas flow 111 through hole 114; Design by through hole 114; When the patient when venting one's pent-up feelings, can be expelled to the outside via through hole 114 via the most of gases in first opening, the 112 inflow gas runners 111, and the gas of few part can be expelled to the outside via second opening 131.In addition; The inner surface 115 that the first pipe portion 110 defines gas flow 111 is provided with first draw-in groove 116 of contiguous first opening 112; And defining an inner surface 117 of through hole 114, the second pipe portion 113 is provided with one second draw-in groove 118; Negative inspiratory pressure pressure measuring equipment 100 also comprise one be stuck in first draw-in groove 116 first catch 4; And one be stuck in second draw-in groove 118 second catch 5, but that first, second catch 4,5 is respectively the paper wood of supplied gas circulation is made, by the design of first, second catch 4,5; Follow the body fluid of gas flow in the time of stopping patient's breath, flow out via second opening 131 or through hole 114 and be stained with and contact the caregiver with the body fluid of avoiding the patient.
Above-mentioned spring 2; Compression spring for metal material; It is arranged in the gas flow 111 and comprises a stiff end 21, and one be positioned at stiff end 21 end opposite free end 22, the stiff end 21 of spring 2 is on the ring-like keeper 119 in order to be stuck in one of the first pipe portion, 110 inner surfacies; The free end 22 of spring 2 is close to second openings 131 and is connected with indication piece 3 in the form of annular discs; Free end 22 is to be set on the protuberance 31 of indication piece 3, and by the elastic force effect of spring 2, perseverance makes the compression face 32 of indication piece 3 be connected to one of lid 2 and is arranged on the abutting part 132 at second opening, 131 places.Because the inner surface 115 of the first pipe portion 110 of indication piece 3 outer peripheral edges and body 11 separately; Therefore; When the patient is air-breathing; Can apply pressure on the compression face 32 of indication piece 3 via the most of gases in second opening, the 131 inflow gas runners 111; And few portion gas can be flow through by the space of 115 of the inner surfacies of indication piece 3 and the first pipe portion 110, if gas applies pressure to pressure on the compression face 32 of indication piece 3 during greater than the elastic force of spring 2, then indication piece 3 can be driven and court's first opening, 112 directions move and compress spring 2 by gas.
This body 11 comprises that one is shown in the scale unit 120 of the first pipe portion, 110 outer surfaces, and a plurality of color marked area 121,122,123 that is shown in the outer surface of the first pipe portion 110 and presents different colours respectively; This this scale unit 120; Comprise that a plurality of edge first pipe portion 110 outer surface axially spaced-aparts arrange in order to represent the scale of patient's pressure of inspiration(Pi) value size, described color marked area 121,122,123 is then in order to represent between different baric areas and the pressure of inspiration(Pi) of patient when air-breathing abundance whether.In the present embodiment; Scale unit 120 scale numerical value are respectively 0 ,-20 ,-40 and-60; Described color marked area the 121,122, the 123rd is designed to three sections, and wherein, the color marked area 121 that is indicated between scale 0～-20 accordingly is to represent patient's pressure of inspiration(Pi) not enough; The color marked area 122 that is indicated between scale-20～-40 accordingly be represent patient's pressure of inspiration(Pi) still can, 123 of color marked areas that are indicated between scale-40～-60 accordingly are to represent patient's pressure of inspiration(Pi) sufficient.Because the body 11 of appendix 1 is transparence; And indication piece 3 outer peripheral faces be provided with one be particular color indication portion 33; Therefore, when making that indication piece 3 moves in gas flow 111, the caregiver can observe on which position of indication portion 33 corresponding to scale unit 120 of indication piece 3 when the patient is air-breathing; Whether and learn the size of the force value that measures, and it is sufficient to differentiate the pressure of inspiration(Pi) of patient when air-breathing through indication piece 3 pairing wherein color marked areas 121,122,123.
What need explanation is; In design; The scale numerical value and the quantity of scale unit 120 are not exceeded with what present embodiment disclosed; Visual Demand Design is below four or the scale more than four, and the color marked area also can be designed to two sections along with the variation of scale quantity, or is subdivided into three more than the section.
Below will be elaborated to the pressure of inspiration(Pi) method for measurement of negative inspiratory pressure pressure measuring equipment 100; See also Fig. 4, Fig. 5 and shown in Figure 6; Fig. 4 is the flow chart of the pressure of inspiration(Pi) method for measurement of negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment, and Fig. 5 is an operation chart, explains that finger is earlier behind the sealing through hole; The patient is when first opening is air-breathing; Gas can drive indication piece and move towards first opening direction, and Fig. 6 is an operation chart, explains that the indication portion of indication piece corresponds to the position of scale unit and color marked area.The pressure of inspiration(Pi) method for measurement of negative inspiratory pressure pressure measuring equipment 100 of the present invention mainly comprises following step:
Like step 71, sealing one on appendix 1 is at first, second opening 112, between 131 and the through hole 114 that is communicated with gas flow 111.
The pressure of inspiration(Pi) measuring equipment 100 of present embodiment is when carrying out the pressure of inspiration(Pi) measurement; The caregiver need earlier with point 6 press on appendix 1 the second pipe portion 113; With sealing through hole 114, whereby, to guarantee that the patient is when air-breathing; The outside gases of pressure of inspiration(Pi) measuring equipment 100 are by in second opening, the 131 inflow gas runners 111, make the accurately size of measuring patient pressure of inspiration(Pi) of indication piece 3.
Like step 72, air-breathing at first opening 112, make gas by flowing in second opening, the 131 inflow gas runners 111 and towards first opening 112, gas can drive indication piece 3 and move and compress spring 2 towards first opening 112.
Because through hole 114 has been closed state; And the inner surface 115 of the first pipe portion 110 of indication piece 3 outer peripheral edges and body 11 separately; Therefore, the patient is through autogenous cutting pipe or breathing mask when air-breathing, gas can be shown in arrow direction by flowing in second opening, the 131 inflow gas runners 111 and towards first opening 112; Because stopping of the compression face 32 of indication piece 3; Make most gas can apply pressure on the compression face 32 and drive indication piece 3 and move and compress spring 2 that the gas of few part then can flow through via the space of 115 of the inner surfacies of indication piece 3 outer peripheral edges and the first pipe portion 110, and mobile towards first opening 112 towards first opening 112.
Like step 73, watch indication piece 3 to learn the size of the force value that measures corresponding to the position of the scale unit 120 on the appendix 1.
The caregiver can watch the position of the indication portion 33 of indication piece 3 corresponding to the force value that measures in the scale unit 120 by body 11 outsides of appendix 1, and learns the size of this force value through scale unit 120; Moreover; One of them 121,122,123 position, color marked area that is corresponded to by indication portion 33; Whether sufficient, when indication portion 33 during corresponding to color marked area 123, then represent patient's pressure of inspiration(Pi) sufficient and have an ability of autonomous respiration if can differentiate the pressure of inspiration(Pi) of patient when air-breathing rapidly and positively; At this moment, the caregiver can break away from the patient use of respiratory system.If indication portion 33 representes then that corresponding to color marked area 121,122 o'clock the patient still must rely on respiratory system to keep respiratory effort.When the patient felt elated and exultant, the caregiver can move apart through hole with finger 6, and portion gas is discharged by through hole, and indication piece 3 can promptly be returned to abutting part 132 positions that are butted on lid 13 by the gas drive of another part and the reseting elasticity of spring 2.
Need to prove, see also shown in Figure 7ly, is the cutaway view of similar Fig. 3, and another that negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment is described implemented aspect, and appendix is only established first catch separately.The appendix 1 of negative inspiratory pressure pressure measuring equipment 100 is in when design, also can as shown in Figure 7 establishes first catch 4 separately; Or see also shown in Figure 8ly, and be the cutaway view of similar Fig. 3, another that negative inspiratory pressure pressure measuring equipment of the present invention one preferred embodiment is described implemented aspect, and appendix is only established second catch separately.Establish second catch 5 separately for as shown in Figure 8, can reach the effect of following the body fluid of gas flow when stopping patient's breath equally, the mode that first, second catch 4,5 is set when not disclosed with present embodiment is exceeded.
Conclude above-mentioned; Negative inspiratory pressure pressure measuring equipment 100 in the present embodiment; Because simple structure and volume are little on the structural design, in the time of therefore can saving worker and reduce manufacturing cost, and by the indication portion 33 of indication piece 3 corresponding to the position of the scale unit on the appendix 1 120 and the position of 121,122,123 positions, color marked area; Make the caregiver can rapidly and positively learn out the gas pressure the when patient is air-breathing, can reach the purpose of institute of the present invention demand really.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (8)
1. negative inspiratory pressure pressure measuring equipment in order to measure the gas pressure value of patient when air-breathing, is characterized in that:
This negative inspiratory pressure pressure measuring equipment comprises:
One appendix; Be transparence and comprise that one is shown in outer surface in order to represent the scale unit of air pressure size; This appendix defines a gas flow, and makes this gas flow and external communications and first opening in order to be connected with this patient; And one make this gas flow and external communications and be positioned at second opening of this first opening end opposite, and this appendix also defines one and is positioned between this first, second opening and is close to the through hole of this first opening, and this through hole makes this gas flow and external communications;
One spring is arranged in this gas flow and comprises that one is connected in the stiff end of this appendix, and one be positioned at this stiff end end opposite and contiguous this second opening free end; And
One indication piece; Be arranged on this free end of this spring and can in this gas flow, move; The air-breathing seasonal epidemic pathogens of this patient is known from experience by flowing out in this this gas flow of second opening inflow and via this first opening; This indication piece is driven by this gas and move and compress this spring, and this indication piece can be corresponding to the force value position that measures in this scale unit towards this first opening.
2. negative inspiratory pressure pressure measuring equipment as claimed in claim 1 is characterized in that a inner surface that described indication piece outer peripheral edges and this appendix define this gas flow separately.
3. negative inspiratory pressure pressure measuring equipment as claimed in claim 1 is characterized in that described appendix comprises that also a plurality of different colours that appear respectively are in order to represent between different baric areas and can supply the corresponding color marked area of this indication piece.
4. negative inspiratory pressure pressure measuring equipment as claimed in claim 1 is characterized in that described appendix comprises that also one is arranged at the keeper of using in this gas flow for this stiff end clamping of this spring.
5. negative inspiratory pressure pressure measuring equipment as claimed in claim 1, but it is characterized in that it also comprises one and is arranged in this gas flow and first catch of contiguous this first opening in order to stop that this patient's body fluid and supplied gas circulate.
6. negative inspiratory pressure pressure measuring equipment as claimed in claim 1, but it is characterized in that it also comprises one and is arranged in this through hole in order to stop second catch of this patient's body fluid and supplied gas circulation.
7. negative inspiratory pressure pressure measuring equipment as claimed in claim 2; It is characterized in that described appendix comprises that also one defines the body of this gas flow and this first opening; And one be sheathed on this body and define this second opening and supply the lid of this indication piece butt, and this scale unit is arranged on this body.
8. pressure of inspiration(Pi) method for measurement; Be applicable to that one has on the negative inspiratory pressure pressure measuring equipment of an appendix; This appendix defines a gas flow; Reach one first opening and one second opening that are communicated with and are positioned at end opposite respectively with this gas flow, it is characterized in that this method comprises following step:
(A). air-breathing at this first opening, gas is flowed in this gas flow and towards this first opening by this second opening flow, this gas can drive an indication piece and move and compress a spring towards this first opening;
(B). watch this indication piece to learn the size of the force value that measures corresponding to the unitary position of a scale on this appendix; And
This method also comprises one and is positioned at this step (A) step (C) before, seals one on this appendix and is positioned between this first, second opening and the through hole that is communicated with this gas flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910167507A CN101991419B (en) | 2009-08-19 | 2009-08-19 | Negative-pressure inspiratory pressure measuring device and inspiratory pressure measuring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910167507A CN101991419B (en) | 2009-08-19 | 2009-08-19 | Negative-pressure inspiratory pressure measuring device and inspiratory pressure measuring method thereof |
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| CN101991419A CN101991419A (en) | 2011-03-30 |
| CN101991419B true CN101991419B (en) | 2012-08-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2226646A1 (en) * | 1998-03-18 | 1999-09-18 | Nazari Mohammad | Canadian lung care device |
| CN2540983Y (en) * | 2002-04-11 | 2003-03-26 | 山西虹安科技有限公司 | Self-destroying disposable syringe |
| CN2803273Y (en) * | 2005-06-10 | 2006-08-09 | 陈鲁宁 | Peak flow measurer |
-
2009
- 2009-08-19 CN CN200910167507A patent/CN101991419B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2226646A1 (en) * | 1998-03-18 | 1999-09-18 | Nazari Mohammad | Canadian lung care device |
| CN2540983Y (en) * | 2002-04-11 | 2003-03-26 | 山西虹安科技有限公司 | Self-destroying disposable syringe |
| CN2803273Y (en) * | 2005-06-10 | 2006-08-09 | 陈鲁宁 | Peak flow measurer |
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| CN101991419A (en) | 2011-03-30 |
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