CN112155535A - Three-way valve for blood pressure acquisition device, preparation method and blood pressure acquisition device - Google Patents
Three-way valve for blood pressure acquisition device, preparation method and blood pressure acquisition device Download PDFInfo
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- CN112155535A CN112155535A CN201911223343.3A CN201911223343A CN112155535A CN 112155535 A CN112155535 A CN 112155535A CN 201911223343 A CN201911223343 A CN 201911223343A CN 112155535 A CN112155535 A CN 112155535A
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 13
- 239000003814 drug Substances 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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- Cardiology (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The application provides a three-way valve for a blood pressure acquisition device, a preparation method and the blood pressure acquisition device, and the three-way valve comprises the following components: the device comprises a body, a valve and an adapter; the valve is arranged in the body and comprises a first through pipe, and the valve is used for switching the opening and closing of the body and the flowing direction of liquid; at least one first groove is formed in the inner wall of the first through pipe; an adapter port is arranged at the end part of the adapter piece along the direction departing from the valve; a connecting piece is arranged at the end part of the adapter piece along the direction close to the valve, and the connecting piece is arranged in the first through pipe; and a glue layer is arranged between the connecting piece and the inner wall of the first through pipe. The liquid flow regulating valve is connected with the power device through the adapter, and the power device drives the valve to rotate, so that the valve is automatically opened and closed, and the flow direction of liquid can be automatically regulated; and set up first recess in first siphunculus, through set up the glue film between first siphunculus inner wall, first recess and adaptor, increased the moment of torsion of valve, improved the load capacity of valve.
Description
Technical Field
The invention relates to the technical field of coronary artery medicine, in particular to a three-way valve for a blood pressure acquisition device, a preparation method and the blood pressure acquisition device.
Background
In order to measure invasive blood pressure, a three-way valve is required to be connected to an infusion tube for interventional operation, and the three-way valve in the prior art cannot be connected with a power device, so that the problems that the automatic opening and closing of the valve cannot be realized, and the flowing direction of liquid cannot be automatically adjusted exist.
Disclosure of Invention
The application provides a three-way valve for a blood pressure collecting device, a preparation method and the blood pressure collecting device, and aims to solve the problems that in the prior art, the three-way valve cannot be connected with a power device, automatic opening and closing of the valve cannot be realized, and the flowing direction of liquid can be automatically adjusted.
To achieve the above object, in a first aspect, the present application provides a three-way valve for a blood pressure collecting device, comprising: the device comprises a body, a valve and an adapter;
the valve is arranged in the body and comprises a first through pipe, and the valve is used for switching the opening and closing of the body and the flowing direction of liquid;
at least one first groove is formed in the inner wall of the first through pipe;
an adapter port is arranged at the end part of the adapter piece along the direction departing from the valve;
a connecting piece is arranged at the end part of the adapter piece along the direction close to the valve, and the connecting piece is arranged in the first through pipe;
and a glue layer is arranged between the connecting piece and the inner wall of the first through pipe.
Optionally, the three-way valve for a blood pressure collecting device described above, the body includes a second tube, and 3 third three-way tubes vertically disposed on the second tube, and the valve is disposed in the second tube.
Optionally, the three-way valve for a blood pressure collecting device described above, the valve further comprising: the handrail is arranged at the end part of the first through pipe along the direction departing from the switching port;
3 through holes are vertically formed in the cross section of the first through pipe, and the 3 through holes are communicated with the 3 third tee pipes and the first through pipe;
at least one first groove is formed in the inner wall of the first through pipe along the direction from the adapter to the connecting piece.
Optionally, the above three-way valve for a blood pressure collecting device, the adaptor includes: the adapter comprises a base body, the adapter arranged at the top of the base body and a first bulge arranged at the bottom of the base body, wherein a connecting piece is arranged at the bottom of the first bulge;
along deviating from the handrail direction, the second siphunculus with the tip of first siphunculus junction sets up the second recess, first arch set up in the second recess, the connecting piece set up in the first siphunculus.
Optionally, in the three-way valve for a blood pressure collecting device, a second protrusion is disposed at the bottom of the connecting member, and the second protrusion is disposed between the first grooves and contacts with the connecting surface of the first through pipe and the armrest.
Optionally, in the three-way valve for a blood pressure collecting device described above, a gripping portion is provided on an outer peripheral surface of the base.
Optionally, in the three-way valve for a blood pressure collecting device, the first grooves are distributed on the inner wall of the first through pipe in a circular array.
Optionally, in the three-way valve for the blood pressure collecting device, the depth value of the first groove is 0.1-0.6 mm along the direction from the first through pipe to the second through pipe; the length of the first groove is 4-6.5 mm along the direction from the adapter to the connecting piece; the width of the first groove is 1-2 mm along the cross section direction of the first through pipe; and/or
The number of the first grooves is even.
Optionally, in the three-way valve for the blood pressure collecting device, the valve is made of high-density polyethylene; and/or
The adapter is made of a PC material; and/or
The glue film is a UV glue film.
In a second aspect, the present application provides a method for preparing a three-way valve for a blood pressure collecting device, comprising:
embedding the valve in the body;
inserting an adapter into a first through pipe of the valve;
introducing UV glue to the joint of the adapter and the valve;
and curing the UV glue through a point light source.
Optionally, in the above method for manufacturing a three-way valve for a blood pressure collecting device, the method for curing the UV gel by the point light source includes:
placing the valve, the body and the adapter piece into which the UV adhesive is introduced into the point light source curing machine;
and under the irradiation of ultraviolet rays, the side of the adapter rotates and is cured for 20 s-2 min.
In a third aspect, the present application provides a blood pressure collecting device comprising: the blood pressure acquisition unit and the three-way valve for the blood pressure acquisition device are connected with the blood pressure acquisition unit;
a fourth through pipe is arranged on the upper surface of the blood pressure acquisition unit, another through hole is arranged on the inner surface of the fourth through pipe, and the fourth through pipe is used for liquid circulation; one end of the blood pressure collecting unit is a pressure collecting end which is sealed in the through hole of the fourth through pipe and is used for collecting the pressure value of the liquid flowing through the fourth through pipe;
and a third three-way pipe of the three-way valve is connected with the fourth pipe.
The beneficial effects brought by the scheme provided by the embodiment of the application at least comprise:
the application provides a three-way valve for a blood pressure collecting device, wherein an adapter port is arranged at the end part of an adapter piece along the direction deviating from the valve, the adapter port is connected with a power device, the power device drives the valve to rotate, the valve is automatically opened and closed, and the flowing direction of liquid can be automatically adjusted; and set up first recess in first siphunculus, through set up the glue film between first siphunculus inner wall, first recess and adaptor, increased the moment of torsion of valve, improved the load capacity of valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a three-way valve for a blood pressure collection device according to the present application;
FIG. 2 is a schematic diagram of an exploded structure of a three-way valve for a blood pressure collecting device;
FIG. 3 is a cross-sectional view of a three-way valve for a blood pressure collection device;
FIG. 4 is a perspective view of a blood pressure collection device;
FIG. 5 is a schematic structural view of the upper shell and the through pipe;
FIG. 6 is a partial schematic view of the inner structure of the upper shell and the through pipe;
FIG. 7 is a flow chart of a method of making a three-way valve for a blood pressure collection device;
the following reference numerals are used for the description:
the blood pressure collecting device comprises a body 100, a second through pipe 110, a third through pipe 120, a valve 200, a first through pipe 210, a through hole 211, a first groove 220, a handrail 230, an adapter 300, an adapter port 310, a connecting piece 320, a base 330, a first protrusion 340, a second protrusion 350, a grabbing part 360, a second groove 400, a blood pressure collecting unit 500, a pressure collecting end 510, a fourth through pipe 600 and a through hole 610.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In order to measure invasive blood pressure, a three-way valve is required to be connected to an infusion tube for interventional operation, and the three-way valve in the prior art cannot be connected with a power device, so that the problems that the automatic opening and closing of the valve cannot be realized, and the flowing direction of liquid cannot be automatically adjusted exist.
Example 1:
as shown in fig. 1 and 2 and 3, the present application provides a three-way valve for a blood pressure collecting device, including: the body 100, the valve 200 and the adaptor 300; the valve 200 is disposed in the body 100, the valve 200 includes a first through pipe 210, and the valve 200 is used for switching the opening and closing of the body 100 and the flowing direction of the liquid; at least one first groove 220 is arranged on the inner wall of the first through pipe 210; in the direction away from the valve 200, the end of the adapter 300 is provided with an adapter 310; along the direction close to the valve 200, the end of the adaptor 300 is provided with a connector 320, and the connector 320 is arranged in the first through pipe 210; a glue layer is disposed between the connector 320 and the inner wall of the first through-tube 210.
The liquid automatic opening and closing device is connected with a power device through an adapter 310, and the adapter 300 and the valve 200 are sequentially driven to rotate through the power device, so that the valve 200 is automatically opened and closed, and the flowing direction of liquid can be automatically adjusted; and set up first recess 220 in first siphunculus 210, through set up the glue film between first siphunculus 210 inner wall, first recess 220 and adaptor 300, increased the moment of torsion of valve 200, improved the load capacity of valve.
It is to be understood that: the first grooves 220 may be replaced with a saw-tooth structure and uniformly distributed on the inner wall of the first through pipe 210; are also within the scope of the present application.
In one embodiment of the present application, the body 100 includes a second pipe 110, and 3 third pipes 120 vertically disposed on the second pipe 110, and a valve 200 is disposed in the second pipe 110.
In one embodiment of the present application, the valve 200 further comprises: a handrail 230 disposed at an end of the first through pipe 210 along a direction away from the adaptor 310; the cross section of the first through pipe 210 is vertically provided with 3 through holes 211, and the 3 through holes 211 are communicated with the 3 third through pipes 120 and the first through pipe 210; at least one first groove 220 is formed on the inner wall of the first tube 210 along the direction from the adapter 310 to the connector 320. Preferably, the inner diameter of the pipe wall at the joint of the second pipe 110 and the third pipe 120 is the same as or similar to the diameter of the through hole 211, so that the liquid can smoothly flow in the through hole 211 and the third pipe 120 without the influence of resistance, and the influence on the accuracy of the pressure test is reduced.
In one embodiment of the present application, the adaptor 300 includes: the adapter 310 is arranged on the top of the base 330, and the first protrusion 340 is arranged on the bottom of the base 330, and the connecting piece 320 is arranged on the bottom of the first protrusion 340; along the direction departing from the handrail 230, the end of the joint of the second through pipe 110 and the first through pipe 210 is provided with a second groove 400, the first protrusion 340 is arranged in the second groove 400, and the connecting piece 320 is arranged in the first through pipe 210. This application is convenient for with adapter 300 quick, stable the installing on valve 200 through the setting of second recess 400, first arch 340, reduces and rocks, and makes the tip of adapter 300 and valve 200, the glue area of contact increase of body 100, improves the fastening of connecting.
In one embodiment of the present application, a second protrusion 350 is disposed at the bottom of the connecting member 320, and the second protrusion 350 is disposed between the first grooves 220 and contacts the connecting surfaces of the first pipe 210 and the handrail 230. Considering the simplification of the process, the first groove 220 is scribed on the inner wall of the first through pipe 210 by the cutter, and the first groove 220 does not reach the connection surface between the first through pipe 210 and the handrail 230, so the second protrusion 350 needs to be arranged at the bottom of the connecting member 320 to contact the connection surface between the first through pipe 210 and the handrail 230, so that the gap of the three-way valve is reduced as much as possible, and the strength of the three-way valve is improved. The second protrusion 350 of one adapter 300 can be inserted into the adapter 310 of another adapter 300, so that a plurality of adapters can be arranged in a row or a column, which is convenient for storage and grabbing in continuous operation, and improves the efficiency of continuous operation.
In one embodiment of the present application, the outer peripheral surface of the base 330 is provided with a catching portion 360; preferably, the grasping portion 360 is a groove structure, and in one embodiment of the present application, the grasping portion 360 is an arc-shaped groove. The grasping portion 360 can function to facilitate grasping by a tool and positioning.
In one embodiment of the present application, the first grooves 220 are distributed on the inner wall of the first tube 210 in a circular array. Preferably, 2 and 4 first grooves 220 are distributed on the inner wall of the first tube 210 in a circular array.
In an embodiment of the present application, the depth of the first groove 220 along the direction from the first through pipe 210 to the second through pipe 110 is 0.1-0.6 mm; the length of the first groove 220 is 4-6.5 mm along the direction from the adapter 310 to the connector 320; along the cross section direction of the first through pipe 210, the width of the first groove 220 is 1-2 mm; and/or the number of first grooves 220 is even.
In one embodiment of the present application, the valve 200 is made of high density polyethylene; and/or the adaptor 300 is made of PC material; and/or the glue layer is a UV glue layer.
As shown in fig. 7, the present application provides a method for preparing a three-way valve for a blood pressure collecting device, including:
s100, embedding the valve 200 in the body 100;
s200, inserting the adapter piece 300 into the first through pipe 210 of the valve 200;
s300, introducing UV glue to the joint of the adaptor 300 and the valve 200;
s400, curing the UV glue through a point light source, comprising:
placing the valve 200, the body 100 and the adapter 300 which are filled with the UV glue into a point light source curing machine;
under the irradiation of ultraviolet rays, the adaptor 300 is laterally and rotationally cured for 20 s-2 min, preferably 40 s; the curing may also be carried out for 10s to 1min, preferably 15s, above.
The invention is specifically illustrated below with reference to specific examples:
1. experimental materials: the adaptor 300 is made of PC material, the valve 200 is made of High Density Polyethylene (HDPE), and the body 100 is made of PC material.
2. The experimental method comprises the following steps:
1) 1, 2 and 4 first grooves 220 with the width of 1.5mm, the length of 5.8mm and the depth of 0.4mm are respectively engraved on the inner wall of the first through pipe 210 of the valve 200 by using a 1.5mm flat nicking tool;
2) inserting the adaptor 300 into the first through tube 210, and injecting Dymax1180 glue or Dymax 215 or loctite epoxy glue 4902 or M-31CL along the gap;
3) dymax1180 glue is cured by rotating the spot light source curing machine on the side of the adaptor 300 for 40s, or the epoxy resin glue is cured for 3 hours at normal temperature.
3. Grouping experiments: the method comprises the steps of firstly, preparing a blank group (not designing grooves), secondly, testing 3 samples in an experimental group 1(1 groove), thirdly, testing 2 samples in an experimental group (4 grooves) respectively, and fourthly, testing 10 samples in an experimental group 3(2 grooves).
4. Test procedure
1) And (4) leakage testing: connecting the three-way valve with the engraved first groove with a gas-water pressure tester through a pressure extension pipe, sealing the other ventilation end of the three-way valve by using an external thread plugging cap, and respectively performing a gas pressure (50kPa, keeping for 15s) and hydraulic pressure (200 kPa, keeping for 15min) leakage test;
2) and (3) torque testing: and (5) after the glue is completely cured, placing the sample for 5 minutes, and testing the bonding strength of the sample by using a torsion tester.
5. Test equipment
| Name (R) | Manufacturer(s) | Model number |
| Point light source curing machine | Shenzhen Shenshenshengxing electronics Limited | 033B/233A |
| Torque tester | Lixinbao-a Chinese medicine for curing diabetes | TNJ-10 |
| Air and water pressure tester | CYPT-200 |
6. And (3) testing environmental conditions:
7. testing indexes are as follows: the torque after the samples of the experimental groups 1, 2 and 3 are bonded is greater than 0.5Nm, and is obviously improved compared with the torque of the blank group.
8. Forming a pre-experimental report, which is specifically shown in the following table;
watch 1
As can be seen from the above table, since the blank set is not provided with the first groove 220, there is no way for any glue to increase the torque of the valve 200 and the adaptor 300 after bonding by about 0.2n.m, and the test requirement of more than 0.5n.m cannot be achieved, but the torque of the experimental set 1 is about 0.4n.m, which is increased compared with the blank set, but the test requirement of more than 0.5n.m is not achieved yet, but the blank set can still be used when the torque requirement is not high, which is increased compared with the prior art.
The more the first grooves are arranged, the greater the torque, but with the increase of the number of the first grooves, the process is complicated, and preferably, the number of the first grooves is 2 or 4, as shown in table two:
watch two
Because high density polyethylene and PC material have the difficult problem of bonding, therefore the blank group problem that gas-liquid leaks appears, and through the combination of first recess and UV glue, after the solidification under the ultraviolet ray environment, high density polyethylene and PC material are by fine bonding, the valve that has solved high density polyethylene constitution in the prior art, the adaptor that the PC material constitutes is difficult to bond, the insecure problem of bonding, the blank of prior art has been remedied, UV glue and epoxy glue need solidify the bonding under the ultraviolet ray environment, otherwise difficult bonding, special technology also belongs to the content that this application protected.
As shown in fig. 4, 5 and 6, the present application provides a blood pressure collecting device including: a blood pressure collecting unit 500, and the three-way valve for the blood pressure collecting device described above connected to the blood pressure collecting unit 500; a fourth tube 600 is arranged on the upper surface of the blood pressure collecting unit 500, another through hole 610 is arranged on the inner surface of the fourth tube 600, and the fourth tube 600 is used for liquid circulation; one end of the blood pressure collecting unit 500 is a pressure collecting end 510, and the pressure collecting end 510 is sealed in the through hole 610 and is used for collecting the pressure value of the liquid flowing through the fourth pipe 600; one third pipe 120 of the three-way valve is connected to a fourth pipe 600.
The above-mentioned embodiments of the present invention, which further illustrate the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned embodiments are only examples of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A three-way valve for a blood pressure collection device, comprising: the device comprises a body, a valve and an adapter;
the valve is arranged in the body and comprises a first through pipe, and the valve is used for switching the opening and closing of the body and the flowing direction of liquid;
at least one first groove is formed in the inner wall of the first through pipe;
an adapter port is arranged at the end part of the adapter piece along the direction departing from the valve;
a connecting piece is arranged at the end part of the adapter piece along the direction close to the valve, and the connecting piece is arranged in the first through pipe;
and a glue layer is arranged between the connecting piece and the inner wall of the first through pipe.
2. The three-way valve for a blood pressure collecting device according to claim 1, wherein the body comprises a second tube, and 3 third tubes vertically disposed on the second tube, the valve being disposed in the second tube.
3. The three-way valve for a blood pressure collecting device according to claim 2, characterized in that the valve further comprises: the handrail is arranged at the end part of the first through pipe along the direction departing from the switching port;
3 through holes are vertically formed in the cross section of the first through pipe, and the 3 through holes are communicated with the 3 third tee pipes and the first through pipe;
at least one first groove is formed in the inner wall of the first through pipe along the direction from the adapter to the connecting piece.
4. The three-way valve for a blood pressure collecting device according to claim 3, wherein the adaptor comprises: the adapter comprises a base body, the adapter arranged at the top of the base body and a first bulge arranged at the bottom of the base body, wherein a connecting piece is arranged at the bottom of the first bulge;
along deviating from the handrail direction, the second siphunculus with the tip of first siphunculus junction sets up the second recess, first arch set up in the second recess, the connecting piece set up in the first siphunculus.
5. The three-way valve for a blood pressure collecting device according to claim 3, wherein a second protrusion is provided at the bottom of the connecting member, and the second protrusion is provided between the first grooves and contacts with the connecting surface of the first tube and the armrest.
6. The three-way valve for a blood pressure collecting device according to claim 4, wherein a catching portion is provided on an outer peripheral surface of the base body.
7. The three-way valve for a blood pressure collecting device according to claim 1, wherein the first grooves are distributed in a circular array on the inner wall of the first tube.
8. The three-way valve for a blood pressure collecting device according to claim 2, wherein the depth value of the first groove is 0.1-0.6 mm along the direction from the first tube to the second tube; the length of the first groove is 4-6.5 mm along the direction from the adapter to the connecting piece; the width of the first groove is 1-2 mm along the cross section direction of the first through pipe; and/or
The number of the first grooves is even.
9. The three-way valve for a blood pressure collecting device according to claim 1, wherein the valve is made of high density polyethylene; and/or
The adapter is made of a PC material; and/or
The glue film is a UV glue film or an epoxy resin glue film.
10. A method for producing a three-way valve for a blood pressure collecting device according to any one of claims 1 to 9, comprising:
embedding the valve in the body;
inserting an adapter into a first through pipe of the valve;
introducing UV glue to the joint of the adapter and the valve;
and curing the UV glue through a point light source.
11. The method for manufacturing a three-way valve for a blood pressure collecting device according to claim 10, wherein the method for curing the UV gel by the point light source comprises:
placing the valve, the body and the adapter piece into which the UV adhesive is introduced into the point light source curing machine;
and under the irradiation of ultraviolet rays, the side of the adapter rotates and is cured for 20 s-2 min.
12. A blood pressure collection device, comprising: a blood pressure collecting unit, and a three-way valve for a blood pressure collecting device according to any one of claims 1 to 9 connected to the blood pressure collecting unit;
a fourth through pipe is arranged on the upper surface of the blood pressure acquisition unit, a through hole is formed in the inner surface of the fourth through pipe, and the fourth through pipe is used for liquid circulation; one end of the blood pressure collecting unit is a pressure collecting end which is sealed in the through hole of the fourth through pipe and is used for collecting the pressure value of the liquid flowing through the fourth through pipe;
and a third three-way pipe of the three-way valve is connected with the fourth pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223343.3A CN112155535A (en) | 2019-12-03 | 2019-12-03 | Three-way valve for blood pressure acquisition device, preparation method and blood pressure acquisition device |
| PCT/CN2019/122943 WO2021109021A1 (en) | 2019-12-03 | 2019-12-04 | Three-way valve for blood pressure collection device, preparation method and blood pressure collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223343.3A CN112155535A (en) | 2019-12-03 | 2019-12-03 | Three-way valve for blood pressure acquisition device, preparation method and blood pressure acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112155535A true CN112155535A (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911223343.3A Pending CN112155535A (en) | 2019-12-03 | 2019-12-03 | Three-way valve for blood pressure acquisition device, preparation method and blood pressure acquisition device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112155535A (en) |
| WO (1) | WO2021109021A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201921221U (en) * | 2010-06-29 | 2011-08-10 | 深圳市益心达医学新技术有限公司 | Doser for infusion pump |
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| WO2021109021A1 (en) | 2021-06-10 |
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