CN203824595U - Multi-diameter variable-aperture flow probe - Google Patents
Multi-diameter variable-aperture flow probe Download PDFInfo
- Publication number
- CN203824595U CN203824595U CN201420161681.5U CN201420161681U CN203824595U CN 203824595 U CN203824595 U CN 203824595U CN 201420161681 U CN201420161681 U CN 201420161681U CN 203824595 U CN203824595 U CN 203824595U
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- China
- Prior art keywords
- probe
- main body
- end main
- back end
- variable aperture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000523 sample Substances 0.000 title claims abstract description 109
- 230000004888 barrier function Effects 0.000 claims description 19
- 210000002435 tendon Anatomy 0.000 claims description 7
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 31
- 210000004072 lung Anatomy 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 206010002091 Anaesthesia Diseases 0.000 description 4
- 230000037005 anaesthesia Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model relates to a multi-diameter variable-aperture flow probe, and aims to provide a flow probe which is simple in structure, high in practicability and safe to use by a patient. The multi-diameter variable-aperture flow probe comprises a probe front end main body, a probe rear end main body, a gas partition board (2) and pressure sensors, wherein the probe front end main body and the probe rear end main body adopt round tube type structures; a first connector (1) with an outer diameter of 15 mm is arranged at one end of the probe front end main body, the other end of the probe front end main body is fixedly connected with one end of the probe rear end main body through threads, a second connector (3) with an outer diameter of 22 mm and an inner diameter of 15 mm is arranged at the other end of the probe rear end main body; and the gas partition board (2) is mounted on the inner wall of the connecting position of the probe front end main body and the probe rear end main body in the flow probe in the vertical direction, closing holes are formed in the gas partition board (2), and the differential pressure type pressure sensors are mounted on the inner walls of the probe front end main body and the probe rear end main body respectively.
Description
Technical field
The utility model relates to flow measurement field, particularly relates to a kind of many bores variable aperture flow probe.
Background technology
In present stage, variable aperture flow probe is applied to medical instruments field more, especially the expiratory gas flow of lung ventilator or Anesthesia machine monitoring field.The existing flow probe that is applied to medicine equipment is all the joint of two ends 15mm external diameter, and in clinical practice, all in most cases to use the breathing pipeline that bore is 22mm, when the respiratory siphon that uses 22mm carries out work, the junction of respiratory siphon and flow probe needs in addition equipped adapter on the one hand, use very inconveniently, and when adapter is lost because of carelessness, flow probe just cannot be used.When increasing adapter, also increased Leakage Gas link on the other hand, during use, in the situation that assembling is not in place, be easy to cause Leakage Gas, cannot for patient, provide the ventilation support of q.s, likely patient's life has been threatened.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, easy to use, practical, guarantee that patient uses safe many bores variable aperture flow probe.
A kind of many bores variable aperture of the utility model flow probe, wherein, comprise probe front end main body, probe back end main body, gas barrier and pressure transducer, probe front end main body one end is provided with the first joint that external diameter is 15mm, the other end of probe front end main body is fixedly connected with one end of probe back end main body, it is 22mm that the other end of probe back end main body is provided with external diameter, internal diameter is the second joint of 15mm, in flow probe inside, be positioned on the inwall of probe front end main body and the junction of probe back end main body gas barrier is vertically installed, on gas barrier, offer lipostomous, on the inwall of probe front end main body and probe back end main body, be separately installed with pressure transducer.
A kind of many bores variable aperture of the utility model flow probe, wherein said probe front end main body and probe back end main body are all tube-shaped structure, end in probe front end main body and probe back end main body is respectively arranged with the screw thread cooperatively interacting, probe front end main body and probe back end main body are threaded connection, and on the sidewall of probe front end main body and probe back end main body, offer respectively the first thief hatch and the second thief hatch.
A kind of many bores variable aperture of the utility model flow probe, after wherein said probe front end main body is fixedly connected with probe back end main body, the first thief hatch and the second thief hatch are in the same plane.
A kind of many bores variable aperture of the utility model flow probe, is along the circumferential direction provided with multi-turn annular convex tendon on wherein said the second joint outer wall.
A kind of many bores variable aperture of the utility model flow probe, the material of wherein said gas barrier is flexible plastic or rubber.
A kind of many bores variable aperture of the utility model flow probe, wherein said pressure transducer is differential pressure transducer.
A kind of many bores variable aperture of the utility model flow probe difference from prior art is: the utility model use safety that has guaranteed patient simple in structure, easy to use, practical, sufficient.The external diameter of probe one end connector is provided with to 15mm, and the internal diameter of other end joint is set to 15mm, and external diameter is set to 22mm, when clinical practice, need not use adapter switching, directly just can be connected and use with patient's breathing pipeline, strengthen the convenience using.The minimizing of adapter, has also reduced the existence of gas leakage link simultaneously, and the ventilation support of q.s can be provided for patient.The lipostomous arranging on gas barrier, can be according to the size of the size adjustment hole opening width of gaseous tension, and the measurement to gaseous tension by differential pressure transducer, gaseous tension is adjusted to the scope of patient's the most comfortable, guarantees patient's ventilation quality.When the multi-turn convex tendon arranging on the second joint 3 outer walls is connected with other devices, can play sealing function, prevent gas leakage.
Below in conjunction with accompanying drawing, a kind of many bores variable aperture flow probe of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the elevational cross-sectional view of a kind of many bores variable aperture of the utility model flow probe;
Fig. 2 is the elevational cross-sectional view that a kind of many bores variable aperture of the utility model flow probe is connected with Y-type three way type;
Fig. 3 is the elevational cross-sectional view that a kind of many bores variable aperture of the utility model flow probe is connected with lung ventilator.
Embodiment
As shown in Figure 1, be the elevational cross-sectional view of a kind of many bores variable aperture of the utility model flow probe, comprise probe front end main body, probe back end main body, gas barrier 2 and differential pressure transducer.Probe front end main body and probe back end main body are all tube-shaped structure, and probe front end main body one end is provided with the first joint 1 that external diameter is 15mm, is provided with the first screw thread on the tube wall of the other end, on the sidewall of probe front end main body, offer circular the first thief hatch 4.It is the second joint 3 that 22mm, internal diameter are 15mm that probe back end main body one end is provided with external diameter, on the outer wall of the second joint 3, be along the circumferential direction provided with multi-turn annular convex tendon, on the tube wall of second joint 3 other ends, be provided with the second screw thread matching with the first screw thread, on the sidewall of probe back end main body, offer circular the second thief hatch 5.Probe front end main body is fixedly connected with by screw thread with probe back end main body, and after probe two ends main body is fixing, the first thief hatch 4 and the second thief hatch 5 are in the same plane.In flow probe inside, be positioned at the gas barrier 2 that flexible plastic or quality of rubber materials are vertically installed on the inwall of probe front end main body and the junction of probe back end main body, on gas barrier 2, offer a plurality of lipostomouses.On the inwall of probe front end main body and probe back end main body, be separately installed with differential pressure transducer.
As shown in Figure 2, a kind of many bores variable aperture of the utility model flow probe can be connected with the Y-type three way type of Anesthesia machine patient end, in the process being connected, has two kinds of connected modes at the Y-type three way type with Anesthesia machine patient end.The first connected mode is: the exhalation vents of patient mask is directly enclosed within on the outer wall of the second joint 3, and the second joint 3 is tightly connected by the convex tendon on outer wall and patient mask; The second connected mode is: the one end that extends flexible pipe is connected with patient mask or trachea cannula, and the other end that extends flexible pipe is inserted into the second joint 3 inside.The first joint 1 is connected with a pipeline of Y-type three way type, and the two other pipeline of Y-type three way type is connected respectively on the air entry and exhalation vents of Anesthesia machine.
As shown in Figure 3, a kind of many bores variable aperture of the utility model flow probe can be connected with the lung ventilator that patient uses, in the process being connected with lung ventilator, the first joint 1 directly inserts in the outlet valve of lung ventilator, be connected with outlet valve, breathing pipeline is directly enclosed within on the outer wall of the second joint 3, and the second joint 3 is tightly connected by the convex tendon on outer wall and breathing pipeline.The first thief hatch 4 is connected with the sample devices of lung ventilator respectively with the second thief hatch 5.
The utility model is in the process of using, and gas is by flow probe, and the lipostomous under the pressure-acting of gas on gas barrier 2 is opened.Gaseous tension hour, the scope that lipostomous is opened is little, few by the gas of lipostomous, and the resistance of 2 pairs of gases of gas barrier is large, and it is large that gas barrier 2 two ends form pressure reduction; When gaseous tension is large, the scope that lipostomous is opened is large, many by the gas of lipostomous, and the resistance of 2 pairs of gases of gas barrier is little, and the pressure reduction that gas barrier 2 two ends form is little.On the inwall of probe front end main body and probe back end main body, be separately installed with differential pressure transducer, by differential pressure transducer, measure gas by the pressure differential of gas barrier 2 front and back, through calculating flow velocity and the flow that can draw gas.
A kind of many bores variable aperture of the utility model flow probe, the external diameter of probe one end the first joint 1 is provided with to 15mm, the internal diameter of the other end the second joint 3 is set to 15mm, external diameter is set to 22mm, when clinical practice, need not use adapter switching, directly just can be connected and use with patient's breathing pipeline, strengthen the convenience using.The minimizing of adapter, has also reduced the existence of gas leakage link simultaneously, has reduced the risk of gas leakage, and the ventilation support of q.s can be provided for patient.The lipostomous arranging on gas barrier 2, can be according to the size of the size adjustment hole opening width of gaseous tension, and the measurement to gaseous tension by differential pressure transducer, gaseous tension is adjusted to the scope of patient's the most comfortable, assurance patient's ventilation quality.When the multi-turn convex tendon arranging on the second joint 3 outer walls is connected with other devices, can play sealing function, prevent gas leakage.The utility model use safety that has guaranteed patient simple in structure, easy to use, practical, sufficient, compared with prior art has obvious advantage.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. the flow probe of bore variable aperture more than a kind, it is characterized in that: comprise probe front end main body, probe back end main body, gas barrier (2) and pressure transducer, probe front end main body one end is provided with the first joint (1) that external diameter is 15mm, the other end of probe front end main body is fixedly connected with one end of probe back end main body, it is 22mm that the other end of probe back end main body is provided with external diameter, internal diameter is the second joint (3) of 15mm, in flow probe inside, be positioned at vertical direction on the inwall on probe front end main body and the edge, junction of probe back end main body gas barrier (2) is installed, on gas barrier (2), offer lipostomous, on the inwall of probe front end main body and probe back end main body, be separately installed with pressure transducer.
2. a kind of many bores variable aperture flow probe according to claim 1, it is characterized in that: described probe front end main body and probe back end main body are all tube-shaped structure, end in probe front end main body and probe back end main body is respectively arranged with the screw thread cooperatively interacting, probe front end main body and probe back end main body are threaded connection, and on the sidewall of probe front end main body and probe back end main body, offer respectively the first thief hatch (4) and the second thief hatch (5).
3. a kind of many bores variable aperture flow probe according to claim 2, is characterized in that: after described probe front end main body is fixedly connected with probe back end main body, the first thief hatch (4) is in the same plane with the second thief hatch (5).
4. a kind of many bores variable aperture flow probe according to claim 1, is characterized in that: on described the second joint (3) outer wall, be along the circumferential direction provided with multi-turn annular convex tendon.
5. a kind of many bores variable aperture flow probe according to claim 1, is characterized in that: the material of described gas barrier (2) is flexible plastic or rubber.
6. a kind of many bores variable aperture flow probe according to claim 1, is characterized in that: described pressure transducer is differential pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161681.5U CN203824595U (en) | 2014-04-03 | 2014-04-03 | Multi-diameter variable-aperture flow probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161681.5U CN203824595U (en) | 2014-04-03 | 2014-04-03 | Multi-diameter variable-aperture flow probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824595U true CN203824595U (en) | 2014-09-10 |
Family
ID=51480080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420161681.5U Expired - Lifetime CN203824595U (en) | 2014-04-03 | 2014-04-03 | Multi-diameter variable-aperture flow probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871977A (en) * | 2016-12-29 | 2017-06-20 | 广州凯耀资产管理有限公司 | A kind of compound pressure flow sensor device |
-
2014
- 2014-04-03 CN CN201420161681.5U patent/CN203824595U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871977A (en) * | 2016-12-29 | 2017-06-20 | 广州凯耀资产管理有限公司 | A kind of compound pressure flow sensor device |
| CN106871977B (en) * | 2016-12-29 | 2019-05-24 | 滨海永达电子科技有限公司 | A kind of compound pressure flow sensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191210 Granted publication date: 20140910 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221210 Granted publication date: 20140910 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20221210 Granted publication date: 20140910 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240403 Granted publication date: 20140910 |