CN104155049B - Device for the detection of flexible pipe fluid pressure - Google Patents
Device for the detection of flexible pipe fluid pressure Download PDFInfo
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- CN104155049B CN104155049B CN201310180387.9A CN201310180387A CN104155049B CN 104155049 B CN104155049 B CN 104155049B CN 201310180387 A CN201310180387 A CN 201310180387A CN 104155049 B CN104155049 B CN 104155049B
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Abstract
This application discloses a kind of device for the detection of flexible pipe fluid pressure, the first compressive plane on its pressing plate and the second compressive plane on upper support frame are oppositely arranged formation one and compress gap, flexible pipe is placed in this compression gap, flexible pipe can be allowed to produce crimp, thus form two plane domains coordinated respectively with the first compressive plane and the second compressive plane, and the dynamometry plane leading power support extend in compression gap from pilot hole, the plane domain formed on the second compressive plane with flexible pipe to be measured abuts, the 3rd compressive plane led on the other end of power support is connected to be fixed on the pressure transducer on lower bracing frame, thus flexible pipe fluid pressure is conducted to pressure transducer.Or directly make on pressure transducer for bear the load portion of external force reach in pilot hole compression gap, so that load portion coordinates the plane domain on the second compressive plane to abut with flexible pipe to be measured, eliminate the produced stress impact on testing result of flexible pipe self extrusion deformation.
Description
Technical field
The application relates to a kind of detection device, especially relates to a kind of dress for the detection of flexible pipe fluid pressure
Put.
Background technology
Clinical medicine apply in, commonly used elastic hose transmission liquid, such as to human body conveying medicinal liquid,
Nutritional solution or blood etc., or extract liquid from human body, or between different device, transmit liquid.Above should
In with, need the fluid pressure in elastic hose is detected, for overpressure is limited to equipment institute
The scope set, if exceed set point, it is provided that warning message.
Flexible pipe is generally PVC(polrvinyl chloride) or silica gel material, flexible pipe two layers of material deformation during crimp
Stress is relatively big, and part as shown in A in Fig. 1, this stress is by factors such as hose materials, ambient temperature times
Impact, such as temperature are high, and material deliquescing, stress can diminish.Existing pressure detection method detection time,
The stress that the crimp of elastic hose produces influences whether testing result, causes pressure detecting precision inaccurate.
Summary of the invention
The application provides a kind of device for the detection of flexible pipe fluid pressure.
According to the first aspect of the application, the application provides a kind of device for the detection of flexible pipe fluid pressure,
Including:
Pressing plate, described pressing plate has the first compressive plane；
Upper support frame, described upper support frame one end has the second compressive plane and through from the upper support frame other end
Extending to the pilot hole on the second compressive plane, described first compressive plane and the second compressive plane are oppositely arranged, both
Between formed for compressing the compression gap of flexible pipe, the distance between described first compressive plane and the second compressive plane
Diameter less than flexible pipe to be measured；
Lead power support, described in lead one end of power support be dynamometry portion, the other end has the 3rd compressive plane, described
The end face in dynamometry portion is dynamometry plane, and described dynamometry portion reaches compression gap from described pilot hole so that
Dynamometry plane coordinates the plane domain on the second compressive plane to abut with flexible pipe to be measured；
Pressure transducer；
And lower bracing frame, described pressure transducer is fixed on lower bracing frame, described upper support frame with lower
Support is fixedly connected, and described 3rd compressive plane is pressed on pressure transducer, is conducted by flexible pipe fluid pressure
To pressure transducer.
Further, the distance between described first compressive plane and the second compressive plane is hose diameter to be measured
50%-70%。
Further, the plane domain that described dynamometry plane coordinates on the second compressive plane less than flexible pipe to be measured.
Further, described dynamometry plane is rectangle.
Further, described rectangular length and width ratio is more than or equal to 2.
Further, the width of described dynamometry plane is less than or equal to the radius of flexible pipe to be measured.
Further, described upper support frame also includes along being perpendicular to the guide pillar of the second compressive plane direction setting or leading
Hole, described in lead and on power support, be correspondingly arranged on the guide hole coordinated with it or guide pillar.
Further, at described upper support frame with lead between power support or lower bracing frame and leading between power support
It is provided with for making the 3rd compressive plane prop up the elastic component of pressure transducer, one end of described elastic component and upper support
Frame or lower bracing frame abut, and the other end abuts with the power support of leading.
Further, lead power support to be structure as a whole or be fixedly connected by the part of multiple independent processing described in and
Form overall structure.
The application also provides for a kind of device for the detection of flexible pipe fluid pressure, including:
Pressing plate, described pressing plate has the first compressive plane；
Upper support frame, described upper support frame one end has the second compressive plane and through from the upper support frame other end
Extending to the pilot hole on the second compressive plane, described first compressive plane and the second compressive plane are oppositely arranged, both
Between formed for compressing the compression gap of flexible pipe, the distance between described first compressive plane and the second compressive plane
Diameter less than flexible pipe to be measured；
Pressure transducer, described pressure transducer includes the load portion for bearing external force；
And lower bracing frame, described pressure transducer is fixed on lower bracing frame, described upper support frame with lower
Support is fixedly connected, and the load portion on described pressure transducer reaches compression gap in pilot hole, makes
Obtaining load portion coordinates the plane domain on the second compressive plane to abut with flexible pipe to be measured.
Further, the distance between described first compressive plane and the second compressive plane is hose diameter to be measured
50%-70%。
The application provides the benefit that:
In a kind of scheme that the application provides, the first compressive plane on pressing plate and second on upper support frame squeeze
Pressure surface is oppositely arranged formation one and compresses gap, is placed in by flexible pipe in this compression gap, due to the first compressive plane
And the distance (i.e. compressing the width in gap) between the second compressive plane is less than the diameter of flexible pipe to be measured, therefore may be used
Allow flexible pipe produce crimp, thus formed two coordinates with the first compressive plane and the second compressive plane respectively put down
Region, face, and the dynamometry plane leading power support extend in compression gap from pilot hole, exists with flexible pipe to be measured
The plane domain formed on second compressive plane abuts, and the 3rd compressive plane led on the other end of power support is connected to
It is fixed on the pressure transducer on lower bracing frame, thus flexible pipe fluid pressure is conducted to pressure transducer.
Owing in the application, flexible pipe is clamped between the first compressive plane and the second compressive plane, hose squeezing deformation produces
After stress mainly acts on the first compressive plane and the second compressive plane, and dynamometry plane only deforms with hose compression
Plane domain abut, there's almost no flexible pipe distortional stress in this plane domain, therefore dynamometry plane can be only
Record flexible pipe fluid pressure, eliminate the produced stress impact on testing result of flexible pipe self extrusion deformation.
In another kind of scheme, it is possible to directly make on pressure transducer for bearing the load portion of external force from guiding
Reach in hole in compression gap, so that load portion coordinates putting down on the second compressive plane with flexible pipe to be measured
Region, face abuts.In like manner, owing in the application, flexible pipe is clamped between the first compressive plane and the second compressive plane,
The stress that hose squeezing deformation produces mainly acts on the first compressive plane and the second compressive plane, and load portion is only
Plane domain after deforming with hose compression abuts, and there's almost no flexible pipe distortional stress in this plane domain,
Therefore pressure transducer can only record flexible pipe fluid pressure, and eliminating should produced by the deformation of flexible pipe self extrusion
The power impact on testing result, and also can simplify the device structure in this programme.
Accompanying drawing explanation
Fig. 1 is a kind of hose squeezing deformation schematic diagram；
Fig. 2 is the sectional view of a kind of embodiment of device that the application detects for flexible pipe fluid pressure；
Fig. 3 is the explosive view of the device detected for flexible pipe fluid pressure shown in Fig. 2.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Embodiment one:
Refer to Fig. 2 and 3, this device being used for the detection of flexible pipe fluid pressure includes lower in the present embodiment
Support 1, pressure transducer 2, upper support frame 3, lead power support 4 and pressing plate 5.
This pressing plate 5 has the first compressive plane 51, and this upper support frame 3 one end has the second compressive plane 31.?
Have on two compressive planes 31 from the through pilot hole extended on the second compressive plane 31 of upper support frame 3 other end
32, and the first compressive plane 51 and the second compressive plane 31 are oppositely arranged, and are formed between the two and are used for compressing flexible pipe
Compression gap.
Flexible pipe 7 to be measured in the decrement being perpendicular on the first compressive plane 51 and the second compressive plane 31 direction by pressing
Distance between first compressive plane 51 and second compressive plane 31 of upper support frame 3 of plate 5 determines, to be measured soft
Pipe 7 is at the first compressive plane 51 and the second compressive plane 31 direction Free Transform be arrangeding in parallel.Squeeze for first
Distance (i.e. compressing the width in gap) between pressure surface 51 and the second compressive plane 31, it should meet less than treating
Survey the requirement of flexible pipe 7 diameter, in order to make flexible pipe 7 to be measured crimp, outside flexible pipe on formed certain big
Little plane domain 71.
And in order to improve tonometric accuracy, can be further by the first compressive plane 51 and the second extruding
Distance between face 31 is arranged to the 50%-70% of flexible pipe 7 diameter to be measured, say, that this flexible pipe 7 to be measured
The desirable 30%-50% of decrement.
Pressing plate 5 can be removable with upper support frame 3 fixing, and the distance between pressing plate 5 and upper support frame 3 is adjustable,
Such as can be fixed by bolt or screw.Certainly, pressing plate 5 can also be affixed to beyond upper support frame 3
Miscellaneous part, only need to ensure that the first compressive plane 51 is oppositely arranged with the second compressive plane 31, and compresses gap
Width meet above-mentioned requirements.
Please continue to refer to Fig. 2 and 3, leading power support 4 one end (upper end) in the present embodiment is dynamometry portion 41,
The other end (lower end) has the 3rd compressive plane 43.The end face in this dynamometry portion 41 is dynamometry plane 42, dynamometry
Portion 41 reaches compression gap from pilot hole 32.This dynamometry plane 42 is for coordinating with flexible pipe 7 to be measured
Plane domain 71 on second compressive plane 31 abuts, and to detect the pressure of soft liquid in pipe, can make dynamometry
Plane 42 coordinates the plane domain 71 on the second compressive plane 31 less than flexible pipe 7 to be measured.Due to hose squeezing
The stress that deformation produces mainly acts on the first compressive plane 51 and the second compressive plane 31, and dynamometry plane 42
Plane domain 71 after only deforming with hose compression abuts, and there's almost no flexible pipe and become in this plane domain 71
Shape stress, therefore dynamometry plane 42 can only record flexible pipe fluid pressure, eliminates flexible pipe self extrusion and deforms institute
The stress influence produced is to the detection of pressure.
The shape of this dynamometry plane 42 can be rectangle or be similar to rectangle, the face of this dynamometry plane 42
Long-pending meeting is as parameter during calculation of pressure.Certainly, in other embodiments, rectangle is not dynamometry
The unique selection of plane 42, its optional triangle, circle or polygon etc..Accordingly, this second squeeze
The shape of the pilot hole 32 on pressure surface 31 is suitable with the shape in dynamometry portion 41, and this dynamometry portion 41 is through leading
Behind hole 32, can be along the direction (above-below direction in Fig. 2) being perpendicular to the second compressive plane 31 in pilot hole 32
Upper movement.
And in the present embodiment, as a example by using rectangle, this rectangular length and width ratio optional more than or
Equal to 2, the most rectangular a length of wide two times or more than two times.Certainly, in other embodiments, improving
On the premise of pressure transducer 2 precision, it is possible to make this rectangular length be less than 2 with wide ratio, to ensure to survey
The accuracy of amount.
In order to improve accuracy of detection further, in the present embodiment rectangular width value is set smaller than
Or the half (i.e. radius) equal to flexible pipe 7 diameter to be measured.Certainly, in other embodiments, this is rectangular
Width value is still smaller than the half of flexible pipe 7 diameter (i.e. radius) to be measured.
Please continue to refer to Fig. 2 and 3, this pressure transducer 2 is fixedly installed relative to upper support frame 3, and the 3rd squeezes
Pressure surface 43 is connected on pressure transducer 2, and flexible pipe fluid pressure is conducted to pressure transducer 2.
In the present embodiment, pressure transducer 2 is fixed on lower bracing frame 1, such as by bonding or be welded and fixed.
And upper support frame 3 and lower bracing frame 1 are fixedly connected, specifically, this upper support frame 3 leads to lower bracing frame 1
Cross screw to be fixedly connected.
In the structure shown in the present embodiment, lead the pilot hole 32 on power support 4 and can guide dynamometry portion 41 and exist
The direction (above-below direction in Fig. 2) being perpendicular to the second compressive plane 31 is upper mobile.Certainly, the most still can be upper
Bracing frame 3 and lead other guide is set between power support 4, the most in the present embodiment, upper support frame 3
Also include along be perpendicular to second compressive plane 31 direction arrange guide pillar 33, lead be correspondingly arranged on power support 4 with
Its guide hole 44 coordinated, this guide hole 44 is enclosed within guide pillar 33, and can be in the side being perpendicular to the second compressive plane 31
Upper mobile to (above-below direction in Fig. 2), the quantity of this guide pillar 33 can be one or more.And at it
In his embodiment, guide hole 44 can also exchange with guide pillar 33, i.e. arranges guide hole 44 on upper support frame 3,
And correspondence arranges guide pillar 33 leading on power support 4.
Further, at upper support frame 3 with lead and be additionally provided with elastic component between power support 4 in the present embodiment, should
Elastic component is the spring 6 being set on guide pillar 33, and this spring 6 can promote the 3rd compressive plane 43 to prop up pressure and pass
Sensor 2.Certainly, deform as one, it is possible at lower bracing frame 1 with lead and arrange elastic component between power support 4,
This elastic component can pull the 3rd compressive plane 43 to prop up pressure transducer 2.
Being structure as a whole of power of leading support 4 shown in the present embodiment, and the most also can will lead power
Support 4 splits into multiple part on flexible pipe 7 bearing of trend (i.e. liquid flow direction) to be measured, the plurality of
Part interfixes to couple and forms an overall structure, in order to the processing of each part.
Use structure shown in the present embodiment, the first compressive plane 51 on pressing plate 5 and second on upper support frame 3
It is oppositely arranged formation one between compressive plane 31 and compresses gap, flexible pipe is placed in this compression gap, due to the
Distance (i.e. compressing the width in gap) between one compressive plane 51 and the second compressive plane 31 is less than flexible pipe 7 to be measured
Diameter, flexible pipe therefore can be allowed to produce compression, thus formed two respectively with the first compressive plane 51 and the
Two compressive planes 31 coordinate plane domain, and the dynamometry plane 42 leading power support 4 extend into from pilot hole 32
Compressing in gap, the plane domain formed on the second compressive plane 31 with flexible pipe 7 to be measured abuts, and leads power support
The 3rd compressive plane 43 on the other end of 4 is connected to the pressure transducer being fixedly installed with relative upper support frame 3
On 2, thus flexible pipe fluid pressure is conducted to pressure transducer 2.Owing in the application, flexible pipe is clamped in
Between one compressive plane 51 and the second compressive plane 31, the stress that hose squeezing deformation produces mainly acts on first
On compressive plane 51 and the second compressive plane 31, and dynamometry plane 42 only with hose compression deform after plane domain
Abutting, therefore dynamometry plane 42 can only record flexible pipe fluid pressure, eliminates the deformation of flexible pipe self extrusion and is produced
Raw stress influence is to the detection of pressure.
Embodiment two
The present embodiment two provides the another kind of apparatus structure for the detection of flexible pipe fluid pressure, itself and enforcement
Be in place of the difference of example one, the present embodiment two cancelled and leads power support 4, and directly by pressure transducer 2 with
Flexible pipe abuts and detects.
Specifically, this device being used for the detection of flexible pipe fluid pressure includes pressing plate, upper support frame, and pressure passes
Sensor and lower bracing frame.
This pressing plate has the first compressive plane, and upper support frame one end has the second compressive plane and another from upper support frame
The through pilot hole extended on the second compressive plane in one end.First compressive plane and the second compressive plane are oppositely arranged,
Form the compression gap for compressing flexible pipe, the distance between the first compressive plane and the second compressive plane between the two
Diameter less than flexible pipe to be measured, in order to make hose squeezing to be measured deform, outside flexible pipe on form a certain size
Plane domain.
Pressure transducer is fixed on lower bracing frame, and upper support frame is fixedly connected with lower bracing frame.This pressure
Sensor includes the load portion for bearing external force, and this load portion reaches compression gap in pilot hole,
Make load portion coordinate the plane domain on the second compressive plane to abut with flexible pipe to be measured, thus detect in flexible pipe
The pressure of fluid.
This load portion can be plane, and its shape can be rectangle or be similar to rectangle, this load portion
Area can be as parameter during calculation of pressure.Certainly, in other embodiments, rectangle is not
The unique selection in load portion, its optional triangle, circle or polygon etc..Accordingly, this second squeeze
The shape of the pilot hole on pressure surface is suitable with the shape in load portion, and this load portion, can be through after pilot hole
Move up along the side being perpendicular to the second compressive plane in pilot hole.
As a example by using rectangle, this rectangular length and width ratio is optional more than or equal to 2, the most rectangular
A length of wide two times or more than two times.Certainly, in other embodiments, Pressure Sensor Precision is being improved
Under premise, it is possible to make this rectangular length be less than 2 with wide ratio, to ensure the accuracy measured.
In order to improve accuracy of detection further, in the present embodiment rectangular width value is set smaller than
Or the half (i.e. radius) equal to hose diameter to be measured.Certainly, in other embodiments, this rectangular width
Angle value is still smaller than the half of hose diameter to be measured (i.e. radius).
And about miscellaneous part such as upper support frame, lower bracing frame and the structure of pressing plate and connection each other
Relation, still refers to structure described in embodiment one.
In the present embodiment two, owing in the application, flexible pipe is clamped between the first compressive plane and the second compressive plane,
The stress that hose squeezing deformation produces mainly acts on the first compressive plane and the second compressive plane, and load portion is only
Plane domain after deforming with hose compression abuts, and there's almost no flexible pipe distortional stress in this plane domain,
Therefore load portion can only record flexible pipe fluid pressure, eliminates the produced stress pair of flexible pipe self extrusion deformation
The impact of testing result.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to recognize
Determine the present invention be embodied as be confined to these explanations.Ordinary skill for the technical field of the invention
For personnel, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace.
Claims (10)
1. the device for the detection of flexible pipe fluid pressure, it is characterised in that including:
Pressing plate, described pressing plate has the first compressive plane；
Upper support frame, described upper support frame one end has the second compressive plane and from the through pilot hole extended on the second compressive plane of the upper support frame other end, described first compressive plane and the second compressive plane are oppositely arranged, forming the compression gap for compressing flexible pipe between the two, the distance between described first compressive plane and the second compressive plane is less than the diameter of flexible pipe to be measured；
Lead power support, one end of the described power of leading support is dynamometry portion, and the other end has the 3rd compressive plane, and the end face in described dynamometry portion is dynamometry plane, described dynamometry portion reaches compression gap from described pilot hole so that dynamometry plane coordinates the plane domain on the second compressive plane to abut with flexible pipe to be measured；
Pressure transducer；
And lower bracing frame, described pressure transducer is fixed on lower bracing frame, and described upper support frame is fixedly connected with lower bracing frame, and described 3rd compressive plane is pressed on pressure transducer, and flexible pipe fluid pressure is conducted to pressure transducer；
At described upper support frame with lead between power support or lower bracing frame and leading is provided with between power support for making the 3rd compressive plane prop up the elastic component of pressure transducer, one end of described elastic component abuts with upper support frame or lower bracing frame, and the other end abuts with the power support of leading.
2. the device for the detection of flexible pipe fluid pressure as claimed in claim 1, it is characterised in that the plane domain that described dynamometry plane coordinates on the second compressive plane less than flexible pipe to be measured.
3. the device for the detection of flexible pipe fluid pressure as claimed in claim 2, it is characterised in that described dynamometry plane is rectangle.
4. the device for the detection of flexible pipe fluid pressure as claimed in claim 3, it is characterised in that the length and width ratio of described dynamometry plane is more than or equal to 2.
5. the device for the detection of flexible pipe fluid pressure as claimed in claim 3, it is characterised in that the width of described dynamometry plane is less than or equal to the radius of flexible pipe to be measured.
6. the device for the detection of flexible pipe fluid pressure as claimed in claim 4, it is characterised in that the width of described dynamometry plane is less than or equal to the radius of flexible pipe to be measured.
7. the device for the detection of flexible pipe fluid pressure as described in any one of claim 1-6, it is characterized in that, described upper support frame also includes along being perpendicular to guide pillar or the guide hole that the second compressive plane direction is arranged, described in lead and on power support, be correspondingly arranged on the guide hole coordinated with it or guide pillar；The gap that compresses between described first compressive plane and the second compressive plane is arranged to the 50%-70% of hose diameter to be measured.
8. the device for the detection of flexible pipe fluid pressure as claimed in claim 1, it is characterised in that described in lead power support and be structure as a whole or be fixedly connected by the part of multiple independent processing and form overall structure.
9. the device for the detection of flexible pipe fluid pressure, it is characterised in that including:
Pressing plate, described pressing plate has the first compressive plane；
Upper support frame, described upper support frame one end has the second compressive plane and from the through pilot hole extended on the second compressive plane of the upper support frame other end, described first compressive plane and the second compressive plane are oppositely arranged, forming the compression gap for compressing flexible pipe between the two, the distance between described first compressive plane and the second compressive plane is less than the diameter of flexible pipe to be measured；
Pressure transducer, described pressure transducer includes the load portion for bearing external force；
And lower bracing frame, described pressure transducer is fixed on lower bracing frame, described upper support frame is fixedly connected with lower bracing frame, and the load portion on described pressure transducer reaches compression gap in pilot hole so that load portion coordinates the plane domain on the second compressive plane to abut with flexible pipe to be measured；
At described upper support frame with lead between power support or lower bracing frame and leading is provided with between power support for making the 3rd compressive plane prop up the elastic component of pressure transducer, one end of described elastic component abuts with upper support frame or lower bracing frame, and the other end abuts with the power support of leading.
10. the device for the detection of flexible pipe fluid pressure as claimed in claim 9, it is characterised in that the 50%-70% that distance is hose diameter to be measured between described first compressive plane and the second compressive plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180387.9A CN104155049B (en) | 2013-05-15 | 2013-05-15 | Device for the detection of flexible pipe fluid pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180387.9A CN104155049B (en) | 2013-05-15 | 2013-05-15 | Device for the detection of flexible pipe fluid pressure |
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| CN104155049A CN104155049A (en) | 2014-11-19 |
| CN104155049B true CN104155049B (en) | 2016-12-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424268A (en) * | 2015-12-15 | 2016-03-23 | 深圳市深科医疗器械技术开发有限公司 | Pressure detection device for fluid in hose |
| CN105910748B (en) * | 2016-06-28 | 2019-01-22 | 新疆水利水电科学研究院 | Drip irrigation belt pressure measuring device |
| CN107063549A (en) * | 2017-06-07 | 2017-08-18 | 利穗科技(苏州)有限公司 | Non-intrusion type flexible pipe fluid pressure sensor |
| CN107131980A (en) * | 2017-06-09 | 2017-09-05 | 上海交通大学 | The direct stress that a kind of small rotary tank prepares mud-rock flow determines device |
| CN113021903B (en) * | 2021-02-26 | 2022-03-04 | 广东利元亨智能装备股份有限公司 | Pressure detection assembly and ultrasonic welding equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3838689C1 (en) * | 1988-11-15 | 1990-06-28 | Fresenius Ag, 6380 Bad Homburg, De | Method for the continuous measurement of the pressure in a flexible fluid line for medical purposes, as well as a device for carrying out the method |
| DE4013403C2 (en) * | 1990-04-26 | 1994-06-30 | Infurex Ag Cham | Device for detecting the internal pressure conditions in flexible lines |
| DE20206474U1 (en) * | 2002-04-24 | 2003-09-04 | B. Braun Melsungen Ag, 34212 Melsungen | Pressure sensor for infusion hose pumps |
| CA2818432A1 (en) * | 2010-11-22 | 2012-05-31 | Eaton Corporation | Pressure-sensing hose |
| CN102252802B (en) * | 2011-04-25 | 2013-04-24 | 无锡沃骐医疗科技有限公司 | Pressure indication device and fluid injection equipment with same |
| CN203310565U (en) * | 2013-05-15 | 2013-11-27 | 深圳市深科医疗器械技术开发有限公司 | An apparatus used for detecting the pressure of a fluid in a flexible pipe |
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Address after: MINDRAY No. 1203 518000 light production base in Guangdong province Shenzhen Guangming Street South Yu Tong Road No. 2 building, 5 floor Patentee after: Shenzhen MINDRAY Technology Co., Ltd. Address before: 518023 building 7, building A, Teng Bang building, north of Qingshui River Road, Luohu District, Guangdong, Shenzhen Patentee before: Shengke Medical Instrument Technology Development Co., Ltd., Shenzhen City |