CN107823741A - A kind of pressure detecting interface for extracorporeal circulation of blood pipeline - Google Patents
A kind of pressure detecting interface for extracorporeal circulation of blood pipeline Download PDFInfo
- Publication number
- CN107823741A CN107823741A CN201711024606.9A CN201711024606A CN107823741A CN 107823741 A CN107823741 A CN 107823741A CN 201711024606 A CN201711024606 A CN 201711024606A CN 107823741 A CN107823741 A CN 107823741A
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure detecting
- extracorporeal circulation
- interface
- blood pipeline
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/30—Blood pressure
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of pressure detecting interface for extracorporeal circulation of blood pipeline, including pressure detecting assembly and pressure output component, pressure detecting assembly includes shell and inner casing, the inner casing is divided into external pressure chamber and internal press chamber by barrier film, side wall on inner casing is provided with the inlet and liquid outlet communicated with external pressure chamber, and the first pressure interface communicated with the internal press chamber is additionally provided with the inner casing；The pressure output component includes mainboard, and mainboard is provided with snap ring, and second pressure interface is additionally provided with mainboard, and the opposite side of mainboard is provided with fixed bin, and fixed bin is provided with the pressure delivery line being connected with second pressure interface.The pressure detecting assembly of the present invention is achieved in the Human Physiology pressure detecting of extracorporeal circulation of blood pipeline, reliability is high, and precision is high by pressure caused by the detectable liquid flowing of pressure delivery line；Can also be applied to it is any be related in the equipment or instrument of pressure measxurement with realize pressure it is reliable, accurately measure.
Description
Technical field
The present invention relates to medical device technology, especially a kind of pressure detecting interface for extracorporeal circulation of blood pipeline,
For measuring the physical stress of human body.
Background technology
Extracorporeal circulation of blood pipeline generally with the matched with devices such as haemodialyser, hemodialysis filter, blood filter
Use, for being diagnosed, being treated to diseases such as heart failure, uremias, such as Publication No. CN201290926Y Chinese patent text
A kind of hemodialysis pipeline disclosed in part, is used cooperatively with haemodialysis/filter plant.Passing through extracorporeal circulation of blood pipeline pair
When heart failure, uremic patient are treated, it usually needs various human body physiological datas are monitored and are easy to medical personnel to understand
The situation of patient, ensure the life security of patient.One kind can be to monitoring intracranial pressure as disclosed in Publication No. CN201978307U
Drainage catheter, provided with drainage catheter main body, one end of drainage catheter is drainage end, and drainage side wall is provided with conduction hole, drawn
Stream end head is cecum, cecum be provided with can to the pressure sensor device of the liquid pressure measurement on periphery, drainage catheter it is another
One end is divided into two branch pipes, and a branch pipe connects pressure measurement detection tabs, and another branch pipe is used to drain, can by the drainage catheter
Pressure detecting is realized, still, the pressure sensor of the drainage catheter need to will drainage end implantation people in drainage end, during use
Body, it is unfavorable for the popularization and application in the clinical treatments such as haemodialysis；Further, since its conduction hole and quilt by draining end setting
Liquid contact is surveyed, the pressure and the true pressure of fluid to be measured measured has deviation, and Measurement reliability is low.
The content of the invention
The invention provides a kind of pressure detecting interface for extracorporeal circulation of blood pipeline, followed for solving extracorporeal blood
The problem of Human Physiology pressure detecting interface reliability on endless tube road is low, deviation is big.
In order to solve the above problems, the present invention provides a kind of pressure detecting interface for extracorporeal circulation of blood pipeline, bag
Pressure detecting assembly and pressure output component are included, the pressure detecting assembly includes shell and inner casing, and the inner casing is by barrier film point
It is divided into external pressure chamber and internal press chamber, the side wall on the inner casing is provided with the inlet communicated with the external pressure chamber
And liquid outlet, the first pressure interface communicated with the internal press chamber is additionally provided with the inner casing；The pressure output component
Including mainboard, the side of the mainboard is provided with the snap ring for being used for fixing the shell, the center of the snap ring on the mainboard
Place is provided with the second pressure interface with the first pressure Interference fit, and the opposite side of the mainboard is provided with fixed bin, described solid
Determine box and be provided with the pressure delivery line being connected with the second pressure interface.
Also there is following technical characteristic provided by the present invention for the pressure detecting interface of extracorporeal circulation of blood pipeline：
Further, the first pressure interface includes the outer cone female Luer communicated with the internal press chamber, institute
The female cone female Luer that second pressure interface includes being connected with the pressure delivery line is stated, the outer cone female Luer plugs
In the female cone female Luer.
Further, the spherical shape of the inner bottom wall of the inner casing, the outer cone female Luer are fixed on the institute of dome shape
The central axis for stating the center of inner bottom wall and the outer cone female Luer overlaps with the central axis of the inner casing.
Further, the first pressure interface also includes being arranged on annular groove on the outside of the inner bottom wall, the annular groove with
Sealing ring is installed between the lateral wall of the outer cone female Luer；The second pressure interface also includes connector, described
One end of connector has the plane coordinated with the sealing ring, and the other end of the connector, which is connected with, to be used for the connection
Head is pressed on the first spring on the sealing ring；The openend of the female cone female Luer is located to be coordinated with the sealing ring
Plane center, the central axis of the female cone female Luer overlaps with the central axis of the connector.
Further, the side wall for forming the inner casing of the external pressure chamber is in coniform, the external pressure chamber edge
The section of central axis is trapezoidal and the barrier film is the trapezoidal base.
Further, the barrier film is elastomeric material, preferably silicone skirt.
Further, the periphery wall of the shell is provided with two buckles, and the inner side of the snap ring is provided with and the buckle
The neck of adaptation.
Further, corresponding central angle on the periphery wall of the shell is buckled in described in two and is less than 180 °.
Further, the mainboard be located at the snap ring side be further opened with detect box, it is described detection box in be provided with it is blind
Hole, detection post is provided with the blind hole, and second spring is provided between the detection post and the bottom surface of the blind hole to ensure
The blind hole is stretched out in the one end for stating detection post；Position biography is also equipped between the end of the detection post and the bottom of the blind hole
Sensor, end of the position sensor when the detection post is compressed in the blind hole by the buckle with the detection post
Contact and produce detection signal.
Further, the end of the detection post is spherical that one end of the second spring is set on the retrieval post
And the other end is pressed on the bottom of the blind hole.
The present invention has the advantages that：External pressure chamber and interior is formed by barrier film in the inner casing of pressure detecting assembly
Portion's pressure chamber, liquid or gas flow into external pressure chamber from inlet and then flowed out from liquid outlet, are produced during liquid flowing
Pressure can oppress barrier film and deform upon, the pressure of internal press chamber can produce corresponding change after barrier film deformation, the change
Pressure value is regarded as caused pressure when liquid flow is moved, i.e., be can detect by pressure delivery line caused by liquid flowing
Pressure, the Human Physiology pressure detecting of external circulation line is achieved in, reliability is high, and precision is high；The pressure detecting interface also may be used
With applied to it is any be related in the equipment or instrument of pressure measxurement with realize pressure it is reliable, accurately measure.
Brief description of the drawings
Fig. 1 is the structural representation of the pressure detecting assembly in the embodiment of the present invention；
Fig. 2 is the top view of the pressure detecting assembly in Fig. 1；
Fig. 3 is the structural representation of the pressure output component in the embodiment of the present invention；
Fig. 4 is the scheme of installation of the pressure detecting interface for extracorporeal circulation of blood pipeline of the present invention；
Fig. 5 is the structural representation of the pressure detecting interface for extracorporeal circulation of blood pipeline of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can be mutually combined.
One implementation of the pressure detecting interface for extracorporeal circulation of blood pipeline of the invention as shown in Figures 1 to 5
In example, the pressure detecting interface for being used for extracorporeal circulation of blood pipeline includes
Including pressure detecting assembly 10 and pressure output component 20, pressure detecting assembly 10 includes shell 11 and inner casing 12,
Inner casing 12 is divided into external pressure chamber 1201 and internal press chamber 1202 by barrier film 15, and the side wall on inner casing 12 is provided with and outside
The inlet 121 and liquid outlet 122 that pressure chamber 1201 communicates, first communicated with internal press chamber 1202 is additionally provided with inner casing 12
Pressure interface 13；Pressure output component 20 includes mainboard 21, and the side of mainboard 21 is provided with the snap ring 22 for fixing shell 11, main
The second pressure interface 23 coordinated with first pressure interface 13, the opposite side of mainboard 21 are provided with the center of snap ring 22 on plate 21
Provided with fixed bin 24, fixed bin 24 is provided with the pressure delivery line 25 being connected with second pressure interface 23.Use in the embodiment
In the pressure detecting interface of extracorporeal circulation of blood pipeline, the inner casing of pressure detecting assembly by barrier film formed external pressure chamber and
Internal press chamber, liquid or gas flow into external pressure chamber from inlet and then flowed out from liquid outlet, are produced during liquid flowing
Raw pressure can oppress barrier film and deform upon, and the pressure of internal press chamber can produce corresponding change after barrier film deformation, the change
Pressure value be regarded as caused pressure when liquid or gas flow, that is, pass through pressure delivery line and can detect liquid and flow
Caused pressure, the Human Physiology pressure detecting of external circulation line is achieved in, reliability is high, and precision is high；The pressure detecting
Interface can also be applied to it is any be related in the equipment or instrument of pressure measxurement with realize pressure it is reliable, accurately measure.Tool
For body, pressure delivery line can be directly connected to pressure sensing devices to carry out pressure detecting, can be adapted to difference as needed
Pressure sensing devices or equipment；The innovation of the present invention is the people that external circulation line is realized by above-mentioned pressure-detecting device
Body physical stress exports, and can be easily connected by pressure delivery line with pressure checking device, ensure the reliable of testing result
Property, it is easy to use.
In the above-described embodiments, the pressure detecting interface for extracorporeal circulation of blood pipeline also has following technical characteristic：
First pressure interface 13 includes the outer cone female Luer 131 communicated with the internal press chamber, and second pressure interface 23 includes
The female cone female Luer 231 being connected with pressure delivery line 25, outer cone female Luer 131 are plugged in female cone female Luer
In 231, ensure the reliability of connection from there through the connected mode using Rule cone joint.In this embodiment, inner casing 12
123 spherical shape of inner bottom wall, outer cone female Luer 131 is fixed on the center of the inner bottom wall 123 of dome shape and outer cone Shandong
You overlap the central axis of joint 131 with the central axis of inner casing 12, so that the liquid flowed in external pressure chamber 1201
Or pressure caused by gas can reliably, exactly be gathered by internal press chamber, exported, and ensure the reliability of pressure measxurement.
In the above-described embodiments, first pressure interface 13 also includes the annular groove for being arranged on the outside of inner bottom wall 123, the annular groove
Sealing ring 14 is installed between the lateral wall of outer cone female Luer 131；Second pressure interface 23 also includes connector 232,
One end of connector 232 has the plane coordinated with sealing ring 14, and the other end of connector 232, which is connected with, to be used for connector
232 are pressed on the first spring 233 on sealing ring 14；The openend of female cone female Luer 231 is located at and coordinated with sealing ring 14
Plane center, the central axis of female cone female Luer 231 overlaps with the central axis of connector 232, from there through setting
Sealing ring and the first spring to be put, the end of female cone female Luer can be caused to be close on first pressure interface, guarantee is closed,
Difficult for drop-off, relatively reliable realizes pressure measxurement.
In the above-described embodiments, the side wall for forming the inner casing 12 of external pressure chamber 1201 is in coniform, external pressure chamber
1201 is trapezoidal and barrier film 15 is the trapezoidal base along the section of central axis, specifically, barrier film is installed in inner casing 12
Diameter at 15 is more than the cross section of the diameter, i.e. external pressure chamber 1201 and the boundary of internal press chamber 1202 of other parts
Product is maximum.Preferably, barrier film 15 can use elastomeric material, such as silicone skirt.
In the above-described embodiments, the periphery wall of shell 11 is provided with two buckles 111, and the inner side of snap ring 22 is provided with and buckle
The neck 221 of 111 adaptations, shell 11 easily can be fixed on by snap ring 22 by buckle 111 and neck 221, the cooperation of snap ring 22
In, it is easy to pressure detecting assembly 10 to install, dismantle with pressure output component 20.Preferably, two buckles 111 are in the outer of shell 11
Corresponding central angle is less than 180 ° on perisporium, so that the rigging position of shell 11 and snap ring 22 only has one, is not in
Anti- dress.
In the above embodiment, it is preferable that the side that mainboard 21 is located at snap ring 22 also opens up detection box, have in detection box blind
Hole, detection post 26 is installed in the blind hole, detects and second spring 261 is provided between post 26 and the bottom surface of blind hole to ensure to detect
The blind hole is stretched out in one end of post 26；Detect and be also equipped with position sensor between the end of post 26 and the bottom of the blind hole
262, position sensor 262 detect post 26 be snapped 111 be compressed in the blind hole when with detection post 26 ends contact simultaneously
Detection signal is produced, specifically, buckle 111 is inserted from neck 221 after snap ring 22 when rotating to precalculated position, buckle 111
Contradict detection post 26 and detection post 26 is pressed into the blind hole, the other end and position sensor 262 for detecting post contradict, and position passes
Sensor 262 produces detection signal, thus can recognize that whether pressure detecting assembly 10 is installed in place, and ensures the reliability of detection, position
It can be tongue tube, Hall sensor or pressure sensor to put sensor 262.Preferably, the end of post 26 is detected to be spherical, the
One end of two springs 261 is set on detection post 26 and the other end is pressed on the bottom of the blind hole.
The pressure detecting interface for extracorporeal circulation of blood pipeline in above-described embodiment, can be continuously reliably to external blood
Liquid in liquid circulation line carries out pressure detecting, easy to use, and certainly, pressure-detecting device therein can also be applied to appoint
With the reliability of raising measurement in the system for want measuring pressure of what is the need for.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of pressure detecting interface for extracorporeal circulation of blood pipeline, including pressure detecting assembly and pressure output component,
Characterized in that, the pressure detecting assembly includes shell and inner casing, the inner casing is divided into external pressure chamber and interior by barrier film
Portion's pressure chamber, the side wall on the inner casing are provided with the inlet and liquid outlet communicated with the external pressure chamber, the inner casing
On be additionally provided with the first pressure interface communicated with the internal press chamber；The pressure output component includes mainboard, the mainboard
Side be provided with and be used to fixing the snap ring of the shell, be provided with the center of the snap ring on the mainboard and the described first pressure
The second pressure interface of power Interference fit, the opposite side of the mainboard are provided with fixed bin, and the fixed bin is provided with and described the
The connected pressure delivery line of two pressure interfaces.
2. the pressure detecting interface according to claim 1 for extracorporeal circulation of blood pipeline, it is characterised in that described
One pressure interface includes the outer cone female Luer that is communicated with the internal press chamber, the second pressure interface include with it is described
The connected female cone female Luer of pressure delivery line, the outer cone female Luer are plugged in the female cone female Luer.
3. the pressure detecting interface according to claim 2 for extracorporeal circulation of blood pipeline, it is characterised in that in described
The spherical shape of inner bottom wall of shell, the outer cone female Luer are fixed on the center of the inner bottom wall of dome shape and described cylindrical
The central axis of cone female Luer overlaps with the central axis of the inner casing.
4. the pressure detecting interface according to claim 3 for extracorporeal circulation of blood pipeline, it is characterised in that described
One pressure interface also includes being arranged on the annular groove on the outside of the inner bottom wall, the annular groove and the outside of the outer cone female Luer
Sealing ring is installed between wall；The second pressure interface also includes connector, one end of the connector have with it is described close
The plane that seal coordinates, the other end of the connector be connected with for the connector is pressed on the sealing ring the
One spring；The openend of the female cone female Luer is located at the center of the plane coordinated with the sealing ring, the female cone
The central axis of female Luer overlaps with the central axis of the connector.
5. the pressure detecting interface according to claim 3 for extracorporeal circulation of blood pipeline, it is characterised in that form institute
The side wall of the inner casing of external pressure chamber is stated in coniform, section of the external pressure chamber along central axis be trapezoidal and institute
It is the trapezoidal base to state barrier film.
6. the pressure detecting interface according to claim 5 for extracorporeal circulation of blood pipeline, it is characterised in that it is described every
Film is elastomeric material.
7. the pressure detecting interface according to claim 1 for extracorporeal circulation of blood pipeline, it is characterised in that further
Ground, the periphery wall of the shell are provided with two buckles, and the inner side of the snap ring is provided with the neck being adapted to the buckle.
8. the pressure detecting interface according to claim 7 for extracorporeal circulation of blood pipeline, it is characterised in that two institutes
State and be buckled on the periphery wall of the shell corresponding central angle and be less than 180 °.
9. the pressure detecting interface according to claim 1 for extracorporeal circulation of blood pipeline, it is characterised in that the master
The side that plate is located at the snap ring is further opened with detecting box, is provided with blind hole in the detection box, detection is provided with the blind hole
Post, second spring is provided between the detection post and the bottom surface of the blind hole to ensure that it is described blind that one end of the detection post is stretched out
Hole；Position sensor is also equipped between the end of the detection post and the bottom of the blind hole, the position sensor is in institute
State detection post by the buckle be compressed to when in the blind hole with it is described detection post ends contact and produce detection signal.
10. the pressure detecting interface according to claim 9 for extracorporeal circulation of blood pipeline, it is characterised in that described
The end for detecting post is spherical, and one end of the second spring is set on the retrieval post and the other end is pressed on the blind hole
Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024606.9A CN107823741A (en) | 2017-10-27 | 2017-10-27 | A kind of pressure detecting interface for extracorporeal circulation of blood pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024606.9A CN107823741A (en) | 2017-10-27 | 2017-10-27 | A kind of pressure detecting interface for extracorporeal circulation of blood pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107823741A true CN107823741A (en) | 2018-03-23 |
Family
ID=61649832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711024606.9A Pending CN107823741A (en) | 2017-10-27 | 2017-10-27 | A kind of pressure detecting interface for extracorporeal circulation of blood pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107823741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498874A (en) * | 2018-12-26 | 2019-03-22 | 贝恩医疗设备(广州)有限公司 | A kind of extracorporeal circulation pipeline for venous blood dialysis |
| WO2022105036A1 (en) * | 2020-11-17 | 2022-05-27 | 赛若麦得（上海）生物技术有限公司 | Pipeline pressure monitoring device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227420A (en) * | 1979-06-11 | 1980-10-14 | Baxter Travenol Laboratories, Inc. | Pressure coupling mechanism in a pressure monitoring assembly |
| US5693008A (en) * | 1995-06-07 | 1997-12-02 | Cobe Laboratories, Inc. | Dialysis blood tubing set |
| US6086762A (en) * | 1997-06-27 | 2000-07-11 | Industrie Borla S.P.A. | Transducer-protector device for biomedical haemodialysis lines |
| US20080221499A1 (en) * | 2007-03-06 | 2008-09-11 | Baxter International, Inc. | Transducer protector |
| CN101421602A (en) * | 2006-04-19 | 2009-04-29 | 旭化成可乐丽医疗株式会社 | Pressure sensor for extracorporeal circulating circuit |
| CN101888862A (en) * | 2007-12-06 | 2010-11-17 | 旭化成可乐丽医疗株式会社 | Calibrating method for pressure measuring unit |
| CN104069558A (en) * | 2013-03-26 | 2014-10-01 | 旭化成医疗株式会社 | Pressure cavity |
| CN104165583A (en) * | 2013-05-16 | 2014-11-26 | 深圳市深科医疗器械技术开发有限公司 | In-place detection apparatus and detection method for syringe |
| CN204405871U (en) * | 2015-02-06 | 2015-06-17 | 苏州北斗夹具装备有限公司 | A kind of indirect detection mechanism |
-
2017
- 2017-10-27 CN CN201711024606.9A patent/CN107823741A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227420A (en) * | 1979-06-11 | 1980-10-14 | Baxter Travenol Laboratories, Inc. | Pressure coupling mechanism in a pressure monitoring assembly |
| US5693008A (en) * | 1995-06-07 | 1997-12-02 | Cobe Laboratories, Inc. | Dialysis blood tubing set |
| US6086762A (en) * | 1997-06-27 | 2000-07-11 | Industrie Borla S.P.A. | Transducer-protector device for biomedical haemodialysis lines |
| CN101421602A (en) * | 2006-04-19 | 2009-04-29 | 旭化成可乐丽医疗株式会社 | Pressure sensor for extracorporeal circulating circuit |
| US20080221499A1 (en) * | 2007-03-06 | 2008-09-11 | Baxter International, Inc. | Transducer protector |
| CN101888862A (en) * | 2007-12-06 | 2010-11-17 | 旭化成可乐丽医疗株式会社 | Calibrating method for pressure measuring unit |
| CN104069558A (en) * | 2013-03-26 | 2014-10-01 | 旭化成医疗株式会社 | Pressure cavity |
| CN104165583A (en) * | 2013-05-16 | 2014-11-26 | 深圳市深科医疗器械技术开发有限公司 | In-place detection apparatus and detection method for syringe |
| CN204405871U (en) * | 2015-02-06 | 2015-06-17 | 苏州北斗夹具装备有限公司 | A kind of indirect detection mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498874A (en) * | 2018-12-26 | 2019-03-22 | 贝恩医疗设备(广州)有限公司 | A kind of extracorporeal circulation pipeline for venous blood dialysis |
| CN109498874B (en) * | 2018-12-26 | 2023-12-29 | 贝恩医疗设备(广州)有限公司 | Extracorporeal circulation pipeline for venous hemodialysis |
| WO2022105036A1 (en) * | 2020-11-17 | 2022-05-27 | 赛若麦得（上海）生物技术有限公司 | Pipeline pressure monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102421465B (en) | Drainage tube apparatus and coupling unit | |
| US3713341A (en) | Pressure transducer | |
| EP2823851A2 (en) | Rotatable connector for medical use | |
| US20200397956A1 (en) | Devices and methods for managing chest drainage | |
| CN104363935A (en) | Diaphragm repositioning for pressure pod using position sensing | |
| CN103313740A (en) | Pressure sensor and method of use | |
| US11857760B2 (en) | Fluid sensor | |
| CN107823741A (en) | A kind of pressure detecting interface for extracorporeal circulation of blood pipeline | |
| JP7159300B2 (en) | smart enclosure assembly | |
| CN110327510A (en) | Pump conduit of being infused monitors system | |
| CN208659380U (en) | Hemostix and invasive pressure monitoring sensor system | |
| WO2021057567A1 (en) | Integrated smart laryngeal mask having ph and temperature monitoring functions | |
| CN106441697A (en) | Pipeline pressure detecting system and method | |
| US11540777B2 (en) | Removable fluid sensor in an administration set | |
| CN106289630A (en) | A kind of loine pressure harvester and acquisition method | |
| CN201561835U (en) | Infusion pressure detecting mechanism of infusion pump | |
| WO2022151945A1 (en) | Structure for non-gravity infusion apparatus and having pressure opening and pressure measuring functions | |
| CN209270603U (en) | A kind of nose catheter | |
| CN107569724A (en) | A kind of special cerebral hemorrhage drainage system | |
| WO2021056629A1 (en) | Device for detecting blockage of cleaning and separating waste liquid needle by using amount of deformation of strain gauge | |
| CN206586946U (en) | Large intestine enteric cavity pressure detecting and therapeutic system | |
| WO2019233074A1 (en) | Drainage tube with sampling and dosing functions, connector for infusion tube, and sampling needle tube | |
| CN102038524A (en) | Blood vessel access instrument with vessel entry indicator | |
| CN206630620U (en) | CT radiography safety controls | |
| CN205073490U (en) | Drainage tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |