CN105476648A - Conduit for detecting intraluminal pressure of human body and animal - Google Patents
Conduit for detecting intraluminal pressure of human body and animal Download PDFInfo
- Publication number
- CN105476648A CN105476648A CN201511018030.6A CN201511018030A CN105476648A CN 105476648 A CN105476648 A CN 105476648A CN 201511018030 A CN201511018030 A CN 201511018030A CN 105476648 A CN105476648 A CN 105476648A
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- CN
- China
- Prior art keywords
- pressure
- conduit
- pipe
- human body
- trocar sheath
- 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.)
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Classifications
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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
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
-
- 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
-
- 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
- A61B5/4238—Evaluating particular parts, e.g. particular organs stomach
-
- 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
- A61B5/4255—Intestines, colon or appendix
-
- 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
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
Abstract
The invention discloses a conduit for detecting the intraluminal pressure of a human body and an animal. The conduit comprises an opening, pressure sensor modules, a plurality of wires, connecting pipes, single-section inner pipes, installation grooves and an outer sleeve, wherein the multiple single-section inner pipes are connected with the multiple connecting pipes in an intersecting mode to form a conduit body, ports are formed in the two ends of each single-section inner pipe, each installation groove is formed in the surface of the corresponding single-section inner pipe, the pressure sensor modules are arranged inside the installation grooves and are diffuse silicon pressure chips which are connected in a full-bridge mode, and each pressure sensor is connected with multiple wires. The multiple single-section inner pipes are connected with the multiple connecting pipes in the intersecting mode to form the conduit body, so that the flexibility of the conduit body is guaranteed. Meanwhile, the installation grooves are formed in the surfaces of the single-section inner pipes, the pressure sensor modules are arranged in the installation grooves in a sealed mode and fixed through the outer sleeve with an opening, and in this way, disengagement is prevented. By adopting the full-bridge pressure chips, measurement stability is guaranteed.
Description
Technical field
The present invention relates to a kind of conduit, specifically a kind of for human body and animal cavity pressure, as the conduit of gastrointestinal pressure.
Background technology
Intestinal function disease is about Gastroenterology dept.'s outpatients about 40%.This kind of disease of clinical diagnosis is mainly detected by the mode of pressure measurement both at home and abroad at present, and this kind equipment is called as digestive tract power detector.Be suitable for having esophagus, antro-duodenal, Oddis sphincter, colon, anus rectum with the human body of digestive tract power detector inspection.This instrument has two kinds of pressure measurement modes in the market, one is the pressure measurement of water pot note formula, it mainly adopts source of consistent pressure, sensor, electronic amplifier and multichannel water pot to note formula pressure catheter composition, the applying portion mainly multichannel water pipe note formula pressure catheter of this equipment, it can be different according to the type of functional disease, insert corresponding human body position.When functional part shrinks, be inserted into and block at interior multichannel water pot note pressure catheter apopore, liquid as pressure conduction medium, thus makes pressure in the pressure transducer that is connected with it change.Due to multichannel water pot note formula pressure catheter, need a stable pressure source and liquid as pressure conduction medium, therefore inapplicable long Dynamic testing is done to patient.Because water pot note formula pressure catheter adopts high molecule plastic multi-lumen tube, by the restriction of lumen diameter and catheter outer diameter, therefore inapplicable productions is compared 24 and to be led the higher and conduit of applicable digestive tract power pressure measurement of precision.Another kind is solid capacitor formula pressure catheter, and it has broken away from the defect of water pot note formula pressure catheter, can increase more even more than 40 capacitance pressure transducer,s in the caliber allowed.Generation due to pressure is due to extruding copper sheet, changes the volume of copper sheet thus reaches the change of electric capacity, according to the conversion formula of electric capacity and pressure, the capacitance of localized variation can be converted into force value.From the conversion formula of electric capacity and pressure, the change of pressure except bulkfactor, also by the ambient temperature effect of copper sheet, the coefficient not direct ratio that varying environment temperature affects copper sheet.This type of pressure catheter is subject to body temperature and enters human body food affected at human body, and therefore condenser type pressure catheter error rate can be larger.
At present, the technology in human body alimentary canal pressure detecting has water filling type, condenser type, resistance-type.The technology of comparative maturity is the pressure catheter of water filling type.Although the pressure catheter of water filling type is cheap, be subject to too much extraneous factor impression, so accurate measurement cannot be accomplished due to technologic restriction with when detecting.And capacitive solid-state conduit, do not considering under temperature impact and long-time test case, can accomplish to make induction to pressure change fast, but the linearity is poor.
Summary of the invention
The object of the present invention is to provide a kind of conduit for human body and animal cavity pressure, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of conduit for human body and animal cavity pressure, comprise opening, pressure sensor module, connection tube, pipe in single-unit, mounting groove and trocar sheath, in multiple single-unit, pipe and multiple connection tube are cross-linked formation catheter body, it is characterized in that, in described single-unit, the two ends of pipe arrange interface, connected by connection tube in the middle of pipe in adjacent two single-units, the two ends of connection tube are plugged on the interface of single-unit inner pipe end respectively, in described single-unit, mounting groove is offered on the surface of pipe, in mounting groove, pressure sensor module is set, pressure sensor chip adopts full-bridge to connect, each pressure transducer connects multiple conducting wires, in described single-unit, the outer cover of pipe has trocar sheath, and the outer surface of trocar sheath arranges opening, and opening is corresponding with the position of pressure sensor module.
As the further scheme of the present invention: the production technology of described catheter body is:
(1) by pressure chip wire bonds;
(2) pressure chip welded is inserted inner sleeve;
(3) by inner sleeve and medical high polymer hose connection;
(4) trocar sheath is inserted in by with the hose connection good inner sleeve of medical high polymer;
(5) inner sleeve pressure chip and trocar sheath opening is adjusted;
(6) suppress trocar sheath, make to be fixedly connected with inner sleeve with macromolecule flexible pipe;
(7) connect successively;
(8) opening part encapsulating;
(9) complete.
As the further scheme of the present invention: described connection tube is medical high polymer flexible pipe, and the diameter of its pipeline is less than or equal to 5.0mm.
As the further scheme of the present invention: described trocar sheath is stainless steel tube, and its pipe diameter is less than or equal to 5.0mm.
As the further scheme of the present invention: the both sides of described mounting groove arranged line mouth.
As the further scheme of the present invention: described pressure sensor module utilizes medical adhesive rubber seal in mounting groove.
As the further scheme of the present invention: described pressure sensor chip adopts full-bridge diffused-silicon pressure chip.
As the further scheme of the present invention: described pressure sensor chip connects stranded conductor.
As the further scheme of the present invention: in described single-unit, pipe and trocar sheath are by medical adhesive compact siro spinning technology.
As the further scheme of the present invention: in described single-unit, pipe and connection tube are also by trocar sheath compact siro spinning technology.
Compared with prior art, the invention has the beneficial effects as follows: be cross-linked formation catheter body by pipe and multiple connection tube in multiple single-unit, ensure that the flexibility of catheter body, in single-unit, mounting groove is offered on the surface of pipe simultaneously, pressure sensor module sealing is placed in mounting groove, and with being with the trocar sheath fixation pressure sensor assembly of opening, prevent from coming off, ensure the stability measured.The present invention adopts diffused-silicon pressure chip to form pressure sensing point, within the scope of the serviceability temperature of 0 to 60 degrees Celsius, can not temperature influence, and ensure that measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the explosive view of single-unit structure of the present invention.
Fig. 2 is the schematic diagram of single-unit structure of the present invention.
Fig. 3 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 3, in the embodiment of the present invention, a kind of conduit for human body gastrointestinal pressure, comprise opening 1, pressure sensor module 2, connection tube 3, pipe 4 in single-unit, mounting groove 5 and trocar sheath 6, in multiple single-unit, pipe 4 and multiple connection tube 3 are cross-linked formation catheter body, in described single-unit, the two ends of pipe 4 arrange interface, connected by connection tube 3 in the middle of pipe 4 in adjacent two single-units, the two ends of connection tube 3 are plugged on the interface of pipe 4 end in single-unit respectively, realize the installation that pressure transducer is equidistantly arranged, described connection tube 3 is medical high polymer flexible pipe, the diameter of its pipeline is less than or equal to 5.0mm, trocar sheath 6 is stainless steel tube, and its pipe diameter is less than or equal to 5.0mm.
In described single-unit, mounting groove 5 is offered on the surface of pipe 4, arrange pressure sensor module 2 in mounting groove 5, pressure sensor module 2 is full-bridge diffused-silicon pressure chip, containing temperature-compensating mode in its structure, within the scope of the serviceability temperature of 0 to 60 degrees Celsius, can not temperature influence; The both sides of described mounting groove 5 arranged line mouth, be convenient to wire stretch out, in described single-unit, the outer cover of pipe 4 has trocar sheath 6, the outer surface of trocar sheath 6 arranges opening 1, opening 1 is corresponding with the position of pressure sensor module 2, adjacent two openings can be made into any angle as required, so that pressure sensor module 2 directly contacts human body alimentary canal inwall, with pressure in human body digestive tract.
Described pressure sensor module 2 utilizes medical adhesive rubber seal in mounting groove 5, in single-unit, pipe 4 inserts trocar sheath 6, and after in single-unit, pipe 4 and connection tube 3 also pass through medical adhesive compact siro spinning technology, then carry out compacting compact siro spinning technology with trocar sheath 6, thus ensure the sealing property of junction.
Described pressure sensor module 2 adopts the principle of Hui Sideng electric bridge, directly exports the voltage signal had functional relation with pressure signal.
The production technology of described catheter body is:
(1) by pressure sensor module 2 wire bonds;
(2) pressure sensor module 2 welded is inserted in single-unit manage;
(3) by hose connection with medical high polymer for pipe in single-unit;
(4) trocar sheath is inserted in by with the hose connection good inner sleeve of medical high polymer;
(5) inner sleeve pressure chip and trocar sheath opening is adjusted;
(6) suppress trocar sheath, make to be fixedly connected with inner sleeve with macromolecule flexible pipe;
(7) connect successively;
(8) opening part encapsulating;
(9) complete.
Operation principle of the present invention is: be cross-linked formation catheter body by pipe in multiple single-unit 4 and multiple connection tube 3, ensure that the flexibility of catheter body, in single-unit, mounting groove 5 is offered on the surface of pipe 4 simultaneously, pressure sensor module 2 sealing is placed in mounting groove 5, and with being with the trocar sheath 6 fixation pressure sensor assembly 2 of opening 1, prevent from coming off, ensure the stability measured.The present invention adopts diffused-silicon pressure chip to form pressure sensing point, within the scope of the serviceability temperature of 0 to 60 degrees Celsius, can not temperature influence, and ensure that measuring accuracy is high.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or basic feature, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. the conduit for human body and animal cavity pressure, comprise opening, pressure sensor module, connection tube, pipe in single-unit, mounting groove and trocar sheath, in multiple single-unit, pipe and multiple connection tube are cross-linked formation catheter body, it is characterized in that, in described single-unit, the two ends of pipe arrange interface, connected by connection tube in the middle of pipe in adjacent two single-units, the two ends of connection tube are plugged on the interface of single-unit inner pipe end respectively, in described single-unit, mounting groove is offered on the surface of pipe, in mounting groove, pressure sensor module is set, pressure sensor chip adopts full-bridge to connect, each pressure transducer connects multiple conducting wires, in described single-unit, the outer cover of pipe has trocar sheath, and the outer surface of trocar sheath arranges opening, and opening is corresponding with the position of pressure sensor module.
2. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, described connection tube is medical high polymer flexible pipe, and the diameter of its pipeline is less than or equal to 5.0mm.
3. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, described trocar sheath is stainless steel tube, and its pipe diameter is less than or equal to 5.0mm.
4. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, the both sides of described mounting groove arranged line mouth.
5. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, described pressure sensor module utilizes medical adhesive rubber seal in mounting groove.
6. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, described pressure sensor chip adopts full-bridge diffused-silicon pressure chip.
7. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, described pressure sensor chip connects stranded conductor.
8. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, in described single-unit, pipe and trocar sheath are by medical adhesive compact siro spinning technology.
9. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, in described single-unit, pipe and connection tube are also by trocar sheath compact siro spinning technology.
10. a kind of conduit for human body gastrointestinal pressure according to claim 1, is characterized in that, the production technology of described catheter body is:
(1) by pressure chip wire bonds;
(2) pressure chip welded is inserted inner sleeve;
(3) by inner sleeve and medical high polymer hose connection;
(4) trocar sheath is inserted in by with the hose connection good inner sleeve of medical high polymer;
(5) inner sleeve pressure chip and trocar sheath opening is adjusted;
(6) suppress trocar sheath, make to be fixedly connected with inner sleeve with macromolecule flexible pipe;
(7) connect successively;
(8) opening part encapsulating;
(9) complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018030.6A CN105476648B (en) | 2015-12-30 | 2015-12-30 | It is a kind of for detecting the conduit of human body and animal cavity pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018030.6A CN105476648B (en) | 2015-12-30 | 2015-12-30 | It is a kind of for detecting the conduit of human body and animal cavity pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105476648A true CN105476648A (en) | 2016-04-13 |
| CN105476648B CN105476648B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511018030.6A Active CN105476648B (en) | 2015-12-30 | 2015-12-30 | It is a kind of for detecting the conduit of human body and animal cavity pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837081A (en) * | 2017-12-07 | 2018-03-27 | 上海英诺伟医疗器械有限公司 | A kind of Pressure wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573617A (en) * | 2009-07-29 | 2012-07-11 | 梅奥医学教育和研究基金会 | Systems, devices and methods for assessment of body cavity pressures |
| CN102711647A (en) * | 2009-11-13 | 2012-10-03 | 格罗宁根医学医院 | A probe system and a probe for measuring functionality of an orifice in the human pelvic region |
| 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 |
| CN203988090U (en) * | 2014-07-28 | 2014-12-10 | 重庆金山科技（集团）有限公司 | Esophageal pressure measuring guide |
| US20150282753A1 (en) * | 2014-04-08 | 2015-10-08 | Regents Of The University Of Minnesota | Pressure sensing catheter system |
-
2015
- 2015-12-30 CN CN201511018030.6A patent/CN105476648B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573617A (en) * | 2009-07-29 | 2012-07-11 | 梅奥医学教育和研究基金会 | Systems, devices and methods for assessment of body cavity pressures |
| CN102711647A (en) * | 2009-11-13 | 2012-10-03 | 格罗宁根医学医院 | A probe system and a probe for measuring functionality of an orifice in the human pelvic region |
| 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 |
| US20150282753A1 (en) * | 2014-04-08 | 2015-10-08 | Regents Of The University Of Minnesota | Pressure sensing catheter system |
| CN203988090U (en) * | 2014-07-28 | 2014-12-10 | 重庆金山科技（集团）有限公司 | Esophageal pressure measuring guide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837081A (en) * | 2017-12-07 | 2018-03-27 | 上海英诺伟医疗器械有限公司 | A kind of Pressure wire |
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| Publication number | Publication date |
|---|---|
| CN105476648B (en) | 2018-11-30 |
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