CN113197562A - Venous pressure detection device - Google Patents
Venous pressure detection device Download PDFInfo
- Publication number
- CN113197562A CN113197562A CN202110387232.7A CN202110387232A CN113197562A CN 113197562 A CN113197562 A CN 113197562A CN 202110387232 A CN202110387232 A CN 202110387232A CN 113197562 A CN113197562 A CN 113197562A
- Authority
- CN
- China
- Prior art keywords
- venous pressure
- detection device
- housing
- pressure detection
- catheter
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 210000003462 vein Anatomy 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000002033 PVDF binder Substances 0.000 claims description 13
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 4
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 230000006698 induction Effects 0.000 description 30
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 238000001802 infusion Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 208000024248 Vascular System injury Diseases 0.000 description 1
- 206010062910 Vascular infections Diseases 0.000 description 1
- 208000012339 Vascular injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 201000003144 pneumothorax Diseases 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A61B5/02152—Measuring pressure in heart or blood vessels by means inserted into the body specially adapted for venous pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6848—Needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6876—Blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a venous pressure detection device which comprises a shell, a sensing tube, a pressure sensor, a catheter and a vein indwelling device, wherein the sensing tube is arranged inside the shell, the pressure sensor is arranged on the sensing tube in a covering mode, the first end of the sensing tube is communicated with the vein indwelling device through the catheter, and the pressure sensor is connected with a processing terminal. This venous pressure detection device can detect the pressure size in the human vein in real time, and this venous pressure detection device assembles and dismantles conveniently simultaneously.
Description
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a venous pressure detection device.
Background
Clinical heart failure, anesthesia, trauma, burn patients or postoperative monitoring of bleeding and other conditions all need accurate volume management, and because monitoring the load changes around the heart, timely understanding of the hemodynamic state of patients has very important clinical significance for evaluating the state of an illness and early clinical treatment.
The existing medical treatment can provide a plurality of means for monitoring the internal volume, wherein the Central Venous Pressure (CVP) monitoring is still the most common and practical method, however, the central venous catheterization has mechanical complications such as pneumothorax, vascular injury, infection and the like, the central venous catheterization is mostly applied to critical patients in a ward of care at present, the risk of the central venous catheterization can be avoided by peripheral venipuncture due to anatomical continuity of peripheral veins and deep veins, and the liquid infusion is carried out by adopting the peripheral venous catheterization in most patients clinically, so that the utilization of the peripheral venous manometry becomes the hotspot of the current research.
However, the peripheral venous pressure measurement device is a special pressure measurement module device connected with the rear end of the venous indwelling needle, which brings great inconvenience to patients, so that the integrated small pressure measurement module connected to the peripheral venous indwelling needle is urgently needed in clinic, the blood volume monitoring of the patients can be guided in real time, the clinical liquid infusion amount and speed are more standardized, and the peripheral venous pressure monitoring device has good practicability and safety for assessing the body volume and the right heart functional state and can provide good means for the accurate treatment of the patients particularly in emergency situations without deep vein catheterization conditions or primary hospitals.
Disclosure of Invention
The invention mainly solves the technical problem of providing a venous pressure detection device, and solves the problem that the venous pressure cannot be detected in real time in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is to provide a venous pressure detection device which comprises a shell, a sensing tube, a pressure sensor, a catheter and a vein retention device, wherein the sensing tube is arranged inside the shell, the pressure sensor is arranged on the sensing tube in a covering mode, the first end of the sensing tube is communicated with the vein retention device through the catheter, and the pressure sensor is connected with a processing terminal.
Preferably, the pressure sensor is a PVDF piezoelectric film sensor.
Preferably, the sensing tube is a PDMS hose.
Preferably, one side of the housing has a sealing cover plate that can be opened and closed.
Preferably, the interior of the housing is filled with insulating oil.
Preferably, the first end of the induction pipe is sleeved with the first end of the conduit connector, and the second end of the conduit connector extends out of the shell and is communicated with the conduit.
Preferably, the second end cover of induction pipe is equipped with the support joint, and the support joint is connected at the inner wall of shell.
Preferably, the top of the shell is provided with a wire connector, a first end of the wire connector is connected with the PVDF piezoelectric film sensor through a wire, and a second end of the wire connector is connected with the processing terminal through a wire.
Preferably, the first end of the sense tube is embedded into the first end of the conduit connector and the second end of the sense tube is embedded into the support connector.
Preferably, a pressure converter for converting the venous pressure into a data signal is arranged inside the shell, a display screen for displaying the venous pressure is arranged on the shell, and the pressure converter is connected with the pressure sensor and the display screen.
The invention has the beneficial effects that: the invention discloses a venous pressure detection device which comprises a shell, a sensing tube, a pressure sensor, a catheter and a vein indwelling device, wherein the sensing tube is arranged inside the shell, the pressure sensor is arranged on the sensing tube in a covering mode, the first end of the sensing tube is communicated with the vein indwelling device through the catheter, and the pressure sensor is connected with a processing terminal. This venous pressure detection device can detect the pressure size in the human vein in real time, and this venous pressure detection device assembles and dismantles conveniently simultaneously.
Drawings
FIG. 1 is a schematic view of an embodiment of the venous pressure test device of the present invention;
FIG. 2 is a cross-sectional view of another embodiment of the venous pressure test device of the present invention;
fig. 3 is a schematic diagram of the connection relationship of the sensing tube, the pressure sensor, the catheter connector and the support connector in another embodiment of the venous pressure detection device of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and 2, the venous pressure detection device comprises a housing 1, a sensing tube 2, a pressure sensor 3, a catheter 4 and a vein indwelling device 5, wherein the sensing tube 2 is arranged inside the housing 1, the pressure sensor 3 is coated on the sensing tube 2, a first end of the sensing tube 2 is communicated with the vein indwelling device 5 through the catheter 4, the pressure sensor 3 is connected with a processing terminal 6, in actual use, the vein indwelling device 5 can be a vein detaining needle, one end of the vein detaining needle with a needle head is inserted into a vein, the other end of the vein detaining needle is communicated with the sensing tube 2, the pressure in the sensing tube 2 is venous pressure at the moment, the venous pressure in the sensing tube 2 is measured through the pressure sensor 3 tightly coated on the sensing tube 2, the venous pressure can be obtained, and the purpose of measuring the venous pressure in real time can be realized because the vein detaining needle is always communicated with the sensing tube 2, and detain needle and induction tube 2 separation dismantlement also convenient and fast with vein stagnation, simultaneously, be provided with a plurality of conduction pipes on vein stagnation needle and can also carry out the infusion of medical liquid on one side, carry out the real-time detection of venous pressure on one side, be about to the infusion of medical liquid and the real-time detection synchronization of venous pressure combine together, time saving and labor saving, avoid carrying out secondary medical treatment operation to the patient, in order to prevent to cause the burden on psychology and the health for the patient, and simultaneously, this venous pressure detection device structure is small and exquisite, the miniaturization has been realized.
Further preferably, the inside anticoagulation coating that is provided with of pipe 4, if this vein pressure detection device of blood infiltration through pipe 4 appears, can effectively prevent the solidification of blood, simultaneously, pipe 4 can be put the device (like vein detaining needle) cooperation assembly together with the vein of difference and realize the change of the vein detaining needle of different classes and use, also can set up pipe 4 and vein detaining the device into the integral structure.
Preferably, the pressure sensor 3 is a PVDF piezoelectric film sensor, and the PVDF piezoelectric film has high chemical stability, low hygroscopicity, high thermal stability, high ultraviolet radiation resistance, high impact resistance, and high fatigue resistance, and the chemical stability of the PVDF piezoelectric film is 10 times higher than that of ceramics, and the PVDF piezoelectric film can be used for a long time below 80 ℃. The PVDF piezoelectric film is soft in texture, light in weight, close in acoustic impedance with water, good in matching state and high in application sensitivity, meanwhile, the harmonic frequency of stretching vibration of the PVDF piezoelectric film in the thickness direction is very high, wider flat response can be obtained, and the frequency response width is far superior to that of a common piezoelectric ceramic transducer.
Preferably, the induction pipe 2 is a PDMS hose, which is a silicone tube with strong hydrophobicity, the work price bond strength is high, the homogeneous cleavage chain is prevented, the contact angle of water on the surface of the induction pipe 2 is high, and is 108 °, and the induction pipe 2 does not react with a water medium due to strong hydrophobicity under the condition of lacking a surfactant, and only reacts in a strong alkali or weak acid environment, so that the stability of the induction pipe 2 is guaranteed, the induction pipe is not hydrophilic, the venous pressure detection operation can be performed for a long time, and the induction pipe does not chemically react.
In combination with the above, in the practical application use process, the induction pipe 2(PDMS hose) produces the deformation under the internal pressure effect, arouse the tensile deformation of pressure sensor 3(PVDF piezoelectric film), because piezoelectric effect, pressure sensor 3 can produce the signal of telecommunication that changes, these signal of telecommunication are through wire connection processing terminal 6, or the wire is connected to a small-size processing unit, can integrate wearable equipment, such as intelligent bracelet, intelligent ring etc., export venous pressure again after handling, can be furnished with small-size lithium cell on the processing unit, a storage unit, bluetooth unit etc. for venous pressure data can temporary storage in the storage unit, also can send cell-phone or computer through the bluetooth unit on, convenient health management to the patient.
Preferably, one side of the housing 1 is provided with a sealing cover plate 7 which can be opened and closed, specifically, the sealing cover plate 7 is connected with the side edge of the housing 1 in an embedded manner, the sealing cover plate 7 is used for sealing the housing 1 on one hand and protecting the induction tube 2 from being invaded by external dust or sewage on the other hand, and parts of the venous pressure detection device can be rapidly installed and disassembled on the other hand, so that the subsequent replacement of the pressure sensor 3 or the induction tube 2 is more convenient.
Preferably, shell 1 is inside to be filled with insulating oil 10, insulating oil 10 has two effects, firstly, play the effect of buffering, be full of insulating oil 10 around induction pipe 2 and pressure sensor 3(PVDF piezoelectric film sensor), can effectively reduce this vein pressure detection device's the sensing measuring error that rocks and lead to, play the effect that improves vein pressure detection accuracy nature, secondly, can play insulating effect, make induction pipe 2 and pressure sensor 3 with external looks insulation isolation, thereby better carry out the pressure detection operation.
Preferably, with reference to fig. 1, 2 and 3, the first end 81 of the catheter connector 8 is sleeved on the first end of the sensing tube 2, the second end 82 of the catheter connector 8 extends out of the housing 1 and is communicated with the catheter 4, the sensing tube 2 and the catheter connector 8 are sleeved and connected to be quickly mounted and dismounted, so that the time for detecting the venous pressure in an emergency is shortened, precious time is won for medical treatment, and the second end 82 of conduit coupling head 8 stretches out shell 1, make things convenient for the one end of vein stagnation needle to aim at conduit coupling head 8's second end 82 fast on the one hand, realize quick concatenation, the second end 82 of conduit coupling head 8 that on the other hand stretches out has prevented that external dust or sewage from getting into the inside of shell 1 along the surface of shell 1, guarantees the inside clean health of shell 1, the second end 82 of conduit coupling head 8 that stretches out has played the effect of waterproof dirt.
Further preferably, the first end 81 of induction pipe 2 embedding conduit coupling head 8, the second end embedding support joint 9 of induction pipe 2, it is specific, the first end 81 of conduit coupling head 8 has the recess that supplies the second end embedding of induction pipe 2, the shape looks adaptation of recess shape and the second end of induction pipe 2 lets the more fastening that induction pipe 2 and conduit coupling head 8 gomphosis are connected.
Preferably, the first end 81 and the second end 82 of the conduit connector 8 are both cylinders, the diameter of the cylinder of the first end 81 of the conduit connector 8 is greater than the diameter of the cylinder of the second end 82 of the conduit connector 8, the first end 81 is provided with a first circular groove 811 for the second end of the induction tube 2 to be embedded in, the second end 82 is provided with a second circular groove 821, a detention pinhole 83 for one end of the vein detention needle to pass through is further provided between the first circular groove 811 and the second circular groove 821, the detention pinhole 83 is communicated with the first circular groove 811 and the second circular groove 821, the second circular groove 821 is provided to further retain and block external dust or sewage, so that the external dust or sewage is blocked and stored in the second circular groove 821 to prevent the external dust or sewage from entering the housing 1 to cause pollution, the diameter of the cylinder of the first end 81 is greater than the diameter of the cylinder of the second end 82 of the conduit connector 8, so that the outer wall of the first end 81 can be blocked against the inner wall of the housing 1 or against the diameter of the second end 82 of the housing 1 The inner wall of the sealing cover plate 7 (see fig. 2 in detail) is blocked, so that the induction tube 2 embedded into the first end 81 of the conduit connector 8 is more firmly fixed in the shell 1, the stability of the induction tube 2 is enhanced, and meanwhile, the conduit connector 8 is positioned between the first end of the induction tube 2 and the inner wall of the shell 1 and is extruded by the first end of the induction tube 2 and the inner wall of the shell 1, and the stability of the conduit connector 8 is enhanced.
Further preferably, the shape and size of the retention needle hole 83 is adapted to the shape and size of the catheter 4, enhancing the stability of the catheter 4 within the catheter connector 8.
Further preferably, the central axes of the first circular groove 811, the second circular groove 821 and the retention pinhole 83 are on the same straight line.
Preferably, the second end of the induction pipe 2 is sleeved with a support joint 9, and the support joint 9 is connected to the inner wall of the housing 1.
Further preferably, with reference to fig. 1, fig. 2 and fig. 3, the support joint 9 includes a joint first end 91 and a joint second end 92, the joint first end 91 and the joint second end 92 are both cylinders, the joint first end 91 is provided with a third circular groove 911 for embedding the second end of the induction tube 2, the shape and size of the third circular groove 911 are adapted to the shape and size of the second end of the induction tube 2, the side surface of the joint second end 92 is provided with a projection 921 for embedding the inner wall of the housing 1, the inner wall of the housing 1 is provided with a projection groove for embedding the projection 921, and the shape and size of the projection 921 are adapted to the shape and size of the projection groove.
Further preferably, the diameter of the cylinder of the joint first end 91 is smaller than the diameter of the cylinder of the joint second end 92, which is to enable the bump 921 to be embedded into the inner wall of the housing 1, the edge of the joint second end 92 can abut against the inner wall of the housing 1, so as to enable the supporting joint 9 to be squeezed by the second end of the sensing tube 2 and the inner wall of the housing 1, thereby enhancing the stability of the supporting joint 9 on the inner wall of the housing 1, and further enhancing the stability of the sensing tube 2 integrally inside the housing 1 by matching the connection relationship between the catheter connector 8 and the first end of the sensing tube 2, thereby further ensuring the detection accuracy of the venous pressure.
Preferably, the top of the housing 1 is provided with a wire connector 11, a first end of the wire connector 11 is connected with the PVDF piezoelectric film sensor through a wire 12, and a second end of the wire connector 11 is connected with the processing terminal 6 through a wire 12.
Further preferably, with reference to fig. 1 and 2, the wire connector 11 is cylindrical, and an annular protrusion 111 extends outward from an outer circumferential surface of the wire connector, and a connector hole for the wire connector 11 to be inserted is formed in a surface of the housing 1, and when the wire connector 11 is inserted into the connector hole, the annular protrusion 111 may be clamped to an outer wall of the housing 1, so as to fix and secure the wire connector 11 more easily, and prevent the wire connector 11 from falling into the housing 1.
When in actual use, will take out the inside induction pipe 2 of shell 1, can be up conduit coupling head 8, conduit coupling head 8's the central axis is vertical promptly, at this moment, takes off sealed apron 7, can guarantee that the inside insulating oil 10 of shell 1 can not spill from the breach position of sealed apron 7 position, induction pipe 2 at this moment also is vertical state, can directly upwards carry to draw and get rid of this induction pipe 2, convenient and fast.
Preferably, the inside pressure converter (not shown in the figure) that is used for converting venous pressure into data signal that is provided with of shell 1, be provided with the display screen 13 that is used for showing venous pressure on the shell 1, pressure converter connects pressure sensor 3 and display screen 13, and the aforesaid sets up directly perceived and visual venous pressure data that obtains, makes things convenient for medical staff to carry out follow-up medical means to the patient.
Based on the embodiment, the invention discloses a venous pressure detection device which comprises a shell, a sensing tube, a pressure sensor, a catheter and a vein retention device, wherein the sensing tube is arranged inside the shell, the pressure sensor is arranged on the sensing tube in a covering mode, the first end of the sensing tube is communicated with the vein retention device through the catheter, and the pressure sensor is connected with a processing terminal. This venous pressure detection device can detect the pressure size in the human vein in real time, and this venous pressure detection device assembles and dismantles conveniently simultaneously.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The venous pressure detection device is characterized by comprising a shell, a sensing tube, a pressure sensor, a catheter and a vein indwelling device, wherein the sensing tube is arranged inside the shell, the pressure sensor is arranged on the sensing tube in a covering mode, the first end of the sensing tube is communicated with the vein indwelling device through the catheter, and the pressure sensor is connected with a processing terminal.
2. The venous pressure test device of claim 1 wherein the pressure sensor is a PVDF piezoelectric film sensor.
3. The venous pressure test device of claim 2 wherein the sense tube is a PDMS hose.
4. The venous pressure detection device of any of claims 1-3 wherein a side of the housing has a sealing cover that can be opened and closed.
5. The venous pressure detection device of claim 4 wherein the interior of the housing is filled with an insulating oil.
6. A venous pressure detection device as claimed in claim 5 characterised in that the first end of the sense tube is fitted with a first end of a catheter connector, the second end of the catheter connector extending out of the housing and communicating with the catheter.
7. The venous pressure test device of claim 6 wherein the second end of the sense tube is sleeved with a support fitting that is attached to the inner wall of the housing.
8. The venous pressure detection device of claim 7, wherein the top of the housing is provided with a wire connector, a first end of the wire connector is connected with the PVDF piezoelectric film sensor through a wire, and a second end of the wire connector is connected with the processing terminal through a wire.
9. The venous pressure detection device of claim 7 wherein a first end of the sense tube is embedded in a first end of the catheter connector and a second end of the sense tube is embedded in the support fitting.
10. The venous pressure detection device of any of claims 1-3, wherein a pressure transducer is disposed inside the housing for converting venous pressure to a data signal, and a display screen is disposed on the housing for displaying venous pressure, the pressure transducer being connected to the pressure sensor and the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387232.7A CN113197562A (en) | 2021-04-08 | 2021-04-08 | Venous pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387232.7A CN113197562A (en) | 2021-04-08 | 2021-04-08 | Venous pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197562A true CN113197562A (en) | 2021-08-03 |
Family
ID=77026652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387232.7A Pending CN113197562A (en) | 2021-04-08 | 2021-04-08 | Venous pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197562A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202223648U (en) * | 2011-09-15 | 2012-05-23 | 北京鑫禾丰医疗技术有限公司 | Dynamic pressure monitoring device for infusion pipeline |
| CN106037697A (en) * | 2016-07-06 | 2016-10-26 | 河南驼人医疗器械集团有限公司 | Central venous catheter with pressure monitoring function |
| CN106510670A (en) * | 2016-11-28 | 2017-03-22 | 西安交通大学 | Implanted wireless passive blood pressure monitoring device not inserted in blood vessel and method |
| CN206342467U (en) * | 2016-07-25 | 2017-07-21 | 泰州市人民医院 | A kind of central venous pressure monitoring device |
| CN208591039U (en) * | 2017-09-22 | 2019-03-12 | 董泽群 | A kind of invasive electronic sphygmomanometer |
| CN209910871U (en) * | 2019-04-17 | 2020-01-07 | 郝爱洪 | Pipe-attached pressure measuring type pressure sensor |
| CN210843627U (en) * | 2019-08-05 | 2020-06-26 | 北京华信医院 | Blood pressure detection device and blood pressure monitoring system |
-
2021
- 2021-04-08 CN CN202110387232.7A patent/CN113197562A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202223648U (en) * | 2011-09-15 | 2012-05-23 | 北京鑫禾丰医疗技术有限公司 | Dynamic pressure monitoring device for infusion pipeline |
| CN106037697A (en) * | 2016-07-06 | 2016-10-26 | 河南驼人医疗器械集团有限公司 | Central venous catheter with pressure monitoring function |
| CN206342467U (en) * | 2016-07-25 | 2017-07-21 | 泰州市人民医院 | A kind of central venous pressure monitoring device |
| CN106510670A (en) * | 2016-11-28 | 2017-03-22 | 西安交通大学 | Implanted wireless passive blood pressure monitoring device not inserted in blood vessel and method |
| CN208591039U (en) * | 2017-09-22 | 2019-03-12 | 董泽群 | A kind of invasive electronic sphygmomanometer |
| CN209910871U (en) * | 2019-04-17 | 2020-01-07 | 郝爱洪 | Pipe-attached pressure measuring type pressure sensor |
| CN210843627U (en) * | 2019-08-05 | 2020-06-26 | 北京华信医院 | Blood pressure detection device and blood pressure monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001523998A (en) | Pressure transducer device with disposable dome | |
| CN105011939A (en) | Multi-parameter acquiring and recording device for dynamically monitoring penile erection states | |
| US5273047A (en) | Transducer housing with a calibration port | |
| BRPI1101258B1 (en) | SYSTEM FOR MONITORING A PATIENT | |
| CN102599892A (en) | Intraperitoneal pressure monitoring system and monitoring method | |
| CN105854159A (en) | Catheter with fiber optic pressure sensor for detecting pressure in body cavity | |
| CN208659380U (en) | Hemostix and invasive pressure monitoring sensor system | |
| CN203943659U (en) | A kind of portable wound arteriotony monitoring device that has | |
| CN102670186B (en) | Venous pressure measuring probe as well as mounting method | |
| CN204765607U (en) | Multipurpose invasive pressure monitoring sensing device | |
| CN205964577U (en) | Ventricular drainage tube with temperature measurement, pressure measurement, visual and drainage function | |
| CN113197562A (en) | Venous pressure detection device | |
| US9993168B2 (en) | Implantable pressure monitor | |
| CN201399152Y (en) | Catheter device with temperature sensor | |
| CN204655761U (en) | A kind of conduit with fibre optic compression sensor detection bodies cavity pressure | |
| JP2011098090A (en) | Shunt murmur monitoring system and shunt murmur monitoring method | |
| CN208464066U (en) | A kind of multifunctional blood pressure detector | |
| CN113208577B (en) | Disposable intra-abdominal pressure monitoring system | |
| CN211834371U (en) | Pressure real-time monitoring device | |
| CN211244807U (en) | Drainage device | |
| CN209153649U (en) | A kind of medical Dynamic blood pressure measure system | |
| CN220801004U (en) | Blood oxygen detection probe placed in auditory canal | |
| CN221060660U (en) | Implantable sensor device | |
| CN117462791B (en) | Implanted transfusion port with monitoring function and monitoring device | |
| CN216317681U (en) | Auscultation device suitable for old patient |
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: 20210803 |