CN105433929A - Probing conduit for optical fiber pressure measuring device - Google Patents

Probing conduit for optical fiber pressure measuring device Download PDF

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Publication number
CN105433929A
CN105433929A CN201511032949.0A CN201511032949A CN105433929A CN 105433929 A CN105433929 A CN 105433929A CN 201511032949 A CN201511032949 A CN 201511032949A CN 105433929 A CN105433929 A CN 105433929A
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CN
China
Prior art keywords
connecting cylinder
optical fiber
conduit
lining
described connecting
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
Application number
CN201511032949.0A
Other languages
Chinese (zh)
Inventor
吴艾久
何兵兵
孔德润
付忠谦
杨思静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI YOUO ELECTRONIC TECHNOLOGY CO LTD
Original Assignee
HEFEI YOUO ELECTRONIC TECHNOLOGY CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HEFEI YOUO ELECTRONIC TECHNOLOGY CO LTD filed Critical HEFEI YOUO ELECTRONIC TECHNOLOGY CO LTD
Priority to CN201511032949.0A priority Critical patent/CN105433929A/en
Publication of CN105433929A publication Critical patent/CN105433929A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
    • 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
    • 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
    • A61B5/02—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
    • A61B5/02154—Measuring pressure in heart or blood vessels by means inserted into the body by optical transmission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
    • A61B5/4222—Evaluating particular parts, e.g. particular organs
    • A61B5/4244—Evaluating particular parts, e.g. particular organs liver
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4842—Monitoring progression or stage of a disease
    • 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
    • A61B5/6852—Catheters
    • 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
    • A61B5/687—Oesophagus
    • 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
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/06—Accessories for medical measuring apparatus
    • A61B2560/063—Devices specially adapted for delivering implantable medical measuring apparatus
    • A61B2560/066—Devices specially adapted for delivering implantable medical measuring apparatus catheters 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
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0001—Catheters; Hollow probes for pressure measurement
    • A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/11—General characteristics of the apparatus with means for preventing cross-contamination when used for multiple patients
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1042—Alimentary tract
    • A61M2210/105—Oesophagus
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Endocrinology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

The invention discloses a probing conduit for an optical fiber pressure measuring device. The probing conduit comprises a connecting cylinder, a conducting sleeve, a lining and an optical fiber. The conducting sleeve is assembled at the front end of the connecting cylinder, and the lining is assembled at the rear end of the connecting cylinder. The optical fiber sequentially penetrates through the lining, the connecting cylinder and the conducting sleeve. The extending part serves as a sensor. The probing conduit is inserted into the pressure measuring probe. A part of the optical fiber serving as the sensor extends into closed space where conducting media exists. The probing conduit has the advantage of preventing cross infection generated by reuse of the measuring probe.

Description

A kind of detection conduit of optical fiber pressure tester
Technical field
The present invention relates to a kind of detection conduit, especially the detection conduit of optical fiber pressure tester.
Background technology
On clinical medicine, accurately measure body-internal-circulation venous pressure, for medical diagnosis on disease treatment and pathological study, there is very great meaning.
Modern medicine is thought, the major complications of liver cirrhosis is hepatites virus infections person and hepatopathy patient, and necessarily portal blood pressure is abnormal increases for its consequence, thus causes esophageal varicosis and sudden high-risk bleeding.Esophageal veins blood pressure and portal blood pressure and hepatic vein pressure ladder value linearly related law, measuring esophageal veins blood pressure is clinically for monitoring and judge the effective means of patient's bleeding omen.Clinically by detection esophageal veins pressure, become auxiliary diagnosis and treated the important means of guarding.
At present, vein pressure measurement generally needs to complete by endoscope, and as detecting subject content in body, clinical practice mainly contains intravenous pressure measurement and vein measuring pressure from outside two kinds of forms, the former is by fine needle aspiration cirso-Measure blood pressure, and the latter touches to measure esophageal variceal vein blood pressure.Puncture measurement is easy to cause hemorrhage and cause infecting, and has been rarely used in clinical; Touch measurement and have multiple method, detection method observed by conventional have conduit UNICOM detection method and air bag.
It is a kind of novel non-invasive venous pressure measuring method that fiber-optic pressure sensor detects, at present just launch application at clinical medicine, the vein measuring cell wherein adopting photoelectric measurement principle to realize detecting and adopt Fibre Optical Sensor to be a new technique as the application of measuring probe.
In the patented technology that the present inventor has applied for, patent of invention " a kind of venous pressure measuring probe of clinical medicine application ", ZL201220232221; Patent of invention " a kind of venous pressure measuring probe and installation method, using method ", 2012101605500, sufficient explanation has been done in the design for related vein pressure measurement instrument.But; the measuring probe being used as to measure and gather pressure signal is then the weak link of whole application system; by the restriction of its composition material Structure and energy condition, the deficiencies such as the service life of measuring probe is short, certainty of measurement is low, posterior maintenance is difficult, constrain scale and manufacture process.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of detection conduit of optical fiber pressure tester, prevents measuring probe from reusing the cross infection of generation.
The present invention is achieved through the following technical solutions.
A kind of detection conduit of optical fiber pressure tester, comprise connecting cylinder, conductive sleeve, lining, optical fiber, above-mentioned conductive sleeve is assembled in above-mentioned connecting cylinder front end, above-mentioned lining is assembled in its rear end, above-mentioned optical fiber is successively through above-mentioned lining, above-mentioned connecting cylinder, above-mentioned conductive sleeve, the part of stretching out is as sensor, and above-mentioned detection conduit inserts above-mentioned pressure measurement probe, and stretches into the confined space residing for transmitting medium as the part fiber of sensor.
Further, above-mentioned connecting cylinder is provided with and encloses groove with one, and an above-mentioned circle groove is in order to spacing above-mentioned connecting cylinder.
Further, the diameter of above-mentioned conduction sleeve is less than above-mentioned connecting cylinder, and above-mentioned conductive jacket jacket casing puts into the front end of above-mentioned connecting cylinder, and spacing by the groove of above-mentioned connecting cylinder.
Further, the rear end of above-mentioned connecting cylinder is provided with socket, and above-mentioned connecting cylinder inserts above-mentioned lining by socket.
Further, be set with outside the socket of above-mentioned connecting cylinder and above-mentioned lining and be provided with spiral duct.
Beneficial effect of the present invention:
During use, measuring probe is arranged on the detection catheter proximal end of vein measuring cell, with detection catheter combination be touch type pressure measurement apparatus, implanted by the guiding of endoscope, and be positioned at and need the vein blood vessel surface of detecting to measure, (such as, when measuring the venous pressure of esophageal varicosis patient, leading gastroscope is detected and is determined by inspection vessel position, again the detection conduit having installed pressure measurement probe is imported by inspection blood vessel surface by endoscopic biopsy hole, implement touch type and detect operation, last for several seconds, until vein measuring cell display terminal report data or figure tend towards stability after namely complete measuring operation.)
Disclosed detection method is, adopt measuring probe and detection conduit integral structure, probe is directly encapsulated in catheter proximal end, and the detection face of probe is parallel with probe column axis.During actual use, due to the restriction of endoscope's inherent structure, the detection face of probe has angle with by examining blood vessel cylinder, easily produce when mutually touching and touch blind area (region that two curved surfaces do not touch), cause Ink vessel transfusing blood flow pressure can not conduct to the detection face of probe completely and by its perception, affect accuracy of detection.The present invention adopts wedge shape to detect Membrane cover, namely be that an angle constructs a detection face tilted in Membrane cover side and with its axis, can solve probe cylinder with by examine blood vessel cylinder have angle time, detection membrane still can form parallel touching with blood vessel cylinder, ensure blood flow pressure non-blind area conduct.
As pressure measurement apparatus matching used with endoscope, it is a kind of system and device of repeated application, because use procedure can be subject to the pollution of patient body endocrine and physiological tissue, strict cleaning and sterilizing must be carried out after every example is detected, this operation not only process is strictly complicated, and very easily damage probe detection face, cause perception element failure.The measuring probe of the present invention's design is disposable simple Devices, by transmitting medium of annotating in advance, disinfects, and carries out sealed storage.By the operation of grafting efficiently and detection conduit compact siro spinning technology during use, be fast combined as touch type pressure measurement apparatus; Finish using, radioactive content probe need only be extractd, exempt the cleaning and sterilizing process of probe, (the detection conduit portion of popping one's head in above is owing to being in the biopsy hole of endoscope all the time in use procedure, the degree being subject to internal pollution is lower, corresponding cleaning and sterilizing operation is relatively simple, and also need not take special maintain measure to detection face).
Accompanying drawing explanation
Fig. 1 is the structural representation of the detection conduit of optical fiber pressure tester of the present invention.
Detailed description of the invention
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the structural representation of the detection conduit of optical fiber pressure tester of the present invention, with reference to Fig. 1, the present invention, survey the detection conduit of fine pressure tester, comprise connecting cylinder 1, conductive sleeve 2, lining 3, optical fiber 4, above-mentioned conductive sleeve 2 is assembled in above-mentioned connecting cylinder 1 front end, above-mentioned lining 3 is assembled in its rear end, above-mentioned optical fiber 4 is successively through above-mentioned lining 3, above-mentioned connecting cylinder 1, above-mentioned conductive sleeve 2, the part of stretching out is as sensor, above-mentioned detection conduit inserts above-mentioned pressure measurement probe, and stretches into the confined space residing for transmitting medium as the part fiber of sensor.
Above-mentioned connecting cylinder 1 is provided with a circle groove 11, and above-mentioned groove 11 is in order to spacing connecting cylinder 1.
The diameter of above-mentioned conduction sleeve 2 is less than above-mentioned connecting cylinder 1, and above-mentioned conductive jacket jacket casing 2 puts into the front end of above-mentioned connecting cylinder 1, and spacing by the groove 11 of above-mentioned connecting cylinder 1.
The rear end of above-mentioned connecting cylinder 1 is provided with socket 12, and above-mentioned connecting cylinder 1 inserts above-mentioned lining 3 by socket 12.
Be set with outside the socket 12 of above-mentioned connecting cylinder 1 and above-mentioned lining 3 and be provided with spiral duct 5.
Detection conduit is the conductive features connecting instrument complete machine and pressure measurement probe, adopts elastic helix sleeve pipe 5 to encapsulate through sweat soldering after optical fiber 2 (part as pressure transducer) and optical fiber (part as conduction) thereof are implanted again.Due to frequently plug and the distortion stretching in use of detection conduit, easily there is fatigue, only there is the service life of limit, belong to supporting rapid wear device.
For gathering the interface unit with transmitting optical signal.Design service life, for measuring (plug operation) 6000 times or 12 work moons, is the rapid wear device needing periodic maintenance or replacing.
Perception pressure signal also changes the detection part of optical signal into.Adopt the materials such as titanium-aluminium alloy, fe-cr-ni alloy, polyurethane (Polyurethane) and polyamide (Polyamide, PA) natural rubber, completed by accurate machined and sterile packaged, belong to disposable consumption equipment.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (5)

1. the detection conduit of an optical fiber pressure tester, it is characterized in that, comprise connecting cylinder, conductive sleeve, lining, optical fiber, described conductive sleeve is assembled in described connecting cylinder front end, described lining is assembled in its rear end, and described optical fiber is successively through described lining, described connecting cylinder, described conductive sleeve, and the part of stretching out is as sensor, described detection conduit inserts described pressure measurement probe, and stretches into the confined space residing for transmitting medium as the part fiber of sensor.
2. the detection conduit of optical fiber pressure tester according to claim 1, is characterized in that, described connecting cylinder is provided with and encloses groove with one, and described groove is in order to spacing described connecting cylinder.
3. the detection conduit of optical fiber pressure tester according to claim 1, is characterized in that, the diameter of described conduction sleeve is less than described connecting cylinder, and described conductive jacket jacket casing puts into the front end of described connecting cylinder, and spacing by the groove of described connecting cylinder.
4. the detection conduit of optical fiber pressure tester according to claim 1, is characterized in that, the rear end of described connecting cylinder is provided with socket, and described connecting cylinder inserts described lining by socket.
5. the detection conduit of optical fiber pressure tester according to claim 1, is characterized in that, is set with and is provided with spiral duct outside the socket of described connecting cylinder and described lining.
CN201511032949.0A 2015-12-31 2015-12-31 Probing conduit for optical fiber pressure measuring device Pending CN105433929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511032949.0A CN105433929A (en) 2015-12-31 2015-12-31 Probing conduit for optical fiber pressure measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511032949.0A CN105433929A (en) 2015-12-31 2015-12-31 Probing conduit for optical fiber pressure measuring device

Publications (1)

Publication Number Publication Date
CN105433929A true CN105433929A (en) 2016-03-30

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Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019729A (en) * 1996-11-15 2000-02-01 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Sensor mechanism-equipped catheter
CN102670186A (en) * 2012-05-23 2012-09-19 安徽医科大学第一附属医院 Venous pressure measuring probe as well as mounting method and use method thereof
CN202589507U (en) * 2012-05-23 2012-12-12 安徽医科大学第一附属医院 Venous pressure measuring probe adapting to medicine clinical application
CN102908133A (en) * 2012-11-12 2013-02-06 合肥优尔电子科技有限公司 Esophagus vein blood pressure measuring instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019729A (en) * 1996-11-15 2000-02-01 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Sensor mechanism-equipped catheter
CN102670186A (en) * 2012-05-23 2012-09-19 安徽医科大学第一附属医院 Venous pressure measuring probe as well as mounting method and use method thereof
CN202589507U (en) * 2012-05-23 2012-12-12 安徽医科大学第一附属医院 Venous pressure measuring probe adapting to medicine clinical application
CN102908133A (en) * 2012-11-12 2013-02-06 合肥优尔电子科技有限公司 Esophagus vein blood pressure measuring instrument

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Application publication date: 20160330