CN107184191A - A kind of miniature insertion type probe - Google Patents
A kind of miniature insertion type probe Download PDFInfo
- Publication number
- CN107184191A CN107184191A CN201710517033.7A CN201710517033A CN107184191A CN 107184191 A CN107184191 A CN 107184191A CN 201710517033 A CN201710517033 A CN 201710517033A CN 107184191 A CN107184191 A CN 107184191A
- Authority
- CN
- China
- Prior art keywords
- probe body
- probe
- sensing element
- insertion type
- intervention
- 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
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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
- A61B5/02—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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- 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
-
- 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
- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
Abstract
Popped one's head in the present invention relates to a kind of miniature insertion type, it is characterized in that including intervention probe body, described intervention probe body includes sphere and imports termination, intervene three parts of leading portion and back segment of probe body, intervene the front end of probe body and import termination for sphere, detection cavity is opened up above the leading portion for intervening probe body, detection cavity bottom face opens up locating groove vertically, the first sensing element is installed in locating groove, covered with barrier film on the surface of first sensing element, intervene and Blind locating holes are set below the leading portion of probe body, the second sensing element is installed in Blind locating holes, intervene the back segment of probe body in a tubular form, for assembly connection end.Structure setting of the present invention rationally, is easy to assembling, positioning stablity.The measurement of multi-parameter can be realized in same probe.The present invention sets technology groove in the front end at assembly connection end and the joining place of detection cavity, simplifies processing technology, reduces the requirement to process tool and then reduces production cost.
Description
Technical field
Popped one's head in the present invention relates to a kind of miniature insertion type, belong to insertion type medical instruments field.
Background technology
Pressure and temperature data are the important parameters for being clinically used to monitor vital sign patient in human body.To these parameters
Measurement be medical diagnosis on disease and treatment important means.Wherein invasive measurement mode, which has, measures accurate, anti-interference strong, lasting
Monitoring and other advantages, can provide important guiding for the diagnosis and treatment of patient's state of an illness.
Existing miniature insertion type probe is broadly divided into two kinds, and a kind of is the probe using optical fiber sensing technology, another
It is the probe using micro-electronic sensor technology.Wherein, micro-electronic sensor probe is by laying micro- electricity on intervention probe body
Sub- pressure, temperature-sensing element realize measurement, are gradually widely used in clinic.
Micro-electronic sensor probe is made up of intervention probe body and sensing element assembling, due to intervention probe body and sensing
Component size is small, during practical set and use, it is easy to cause the positioning of sensing element loosely and displacement.Therefore,
Probe, which makes, usually needs the position of constantly adjustment sensing element in assembling process, operating procedure is very difficult, inefficiency, and
And in assembling process, it is bad that the displacement of sensing element may result in end properties of popping one's head in.
Chinese patent 201510630654.7 discloses a kind of implanted monitoring probe, and its near middle of popping one's head in is provided with groove
For laying pressure sensor, front end is equipped with temperature-sensing element, but the probe is not used for the dress of fixed sensing element
With position limiting structure, sensing element is only realized by the holding power of wire and positioned, can not strong fix sensing element, in follow-up work
Sensing element is easily shifted in skill；Further, since lack the structure of strong fix, must in practical set operating process
It must ensure that disposable be directed at sensing element is put just, otherwise just need to adjust lead and sensing element repeatedly in atomic thin space
Position, this multiple adjustment repeatedly easily bends lead, moreover, the active force being attached to repeatedly on sensing element can
Sensing element and wire break, and the failure of sensing element in itself can be caused even to rupture, too high production cost is caused
With relatively low production efficiency.
The content of the invention
The technical problems to be solved by the invention be for above-mentioned prior art exist not enough there is provided a kind of miniature Jie
Enter formula probe, its structure setting is reasonable, it is easy to which the assembling and positioning of sensing element, positioning are firm, and processing technology relative ease,
The measurement of many physical parameters can be realized in probe.
The technical scheme that the present invention is used by solution the problem of set forth above for：It is described including intervention probe body
Intervening probe body includes three parts of back segment that sphere imports termination, the leading portion for intervening probe body and intervention probe body,
Intervene the front end of probe body and import termination for sphere, detection cavity is opened up above the leading portion for intervening probe body, detect cavity
Bottom face opens up the first sensing element is installed in locating groove, locating groove vertically, the surface of first sensing element
On covered with barrier film, intervene to set in Blind locating holes, Blind locating holes below the leading portion of probe body and install the second sensing element,
The back segment of intervention probe body is assembly connection end in a tubular form.
By such scheme, described detection cavity front end extends to the front edge of intervention probe body, and rear end is extended to
Intervene section junction before and after probe body.
By such scheme, described barrier film is covered between the upper surface of locating groove groove face and the first sensing element.
By such scheme, the depth of the locating groove is more than the thickness of the first sensing element, and the first sensing element is close to
Bottom land is installed, and described isolation film thickness is 0.01~0.5mm.
By such scheme, described barrier film is silicon rubber, gel, latex, polyurethane elastomer or other elastic high scores
Sub- material.
By such scheme, technology groove, technology groove are set with detecting the joining place of cavity on the front end at assembly connection end
Communicated with the endoporus at assembly connection end.
By such scheme, described locating groove is arranged on the centre of detection cavity floor, is rectangle, front end is extended to
Detect cavity front end face, locating groove front end both sides set transition arc, locating groove rear end is logical wear with assembly connection end
Hole is connected.
By such scheme, the front and rear sections of described intervention probe body are cylinder, and it is half that described sphere, which imports termination,
Surface of Sphere or small semicircle sphere.
By such scheme, described Blind locating holes are axially opened in below detection body leading portion along intervention probe body, institute
The aperture for stating Blind locating holes is connected with the endoporus at assembly connection end, and the bottom hole of the Blind locating holes extends to intervention probe body
Front edge.
By such scheme, offer through hole in the bottom of locating groove and be connected with Blind locating holes.
By such scheme, the external diameter of described intervention probe body is 1~2mm, 2~5mm of length；The assembly connection end
0.6~1.6mm of diameter of bore；The length of the locating groove is 0.4~2mm, and width is 0.3~2mm.
By such scheme, described intervention probe body material is rigid metal or the macromolecule materials such as stainless steel, titanium
Material.
The beneficial effects of the present invention are：1st, structure setting rationally, is easy to assembling, positioning stablity, simplified processing process, drop
Low cost.Miniature insertion type probe is in practical set technique, and sensing element is fixed in detection cavity, miniature due to probe
Change and high-accuracy property, in operation, often due to lacking the structure for limiting sensing element position and causing sensing element
Mobile, the present invention sets locating groove and Blind locating holes structure, can preferably with sensing element phase configuration, it is simple and effective to passing
Sensing unit plays positioning action, it is to avoid the random movement of sensing element occurs in assembling process and positioning is forbidden that causes to draw
Line is bent and the failure of sensing element even ruptures.2nd, the present invention sets locating groove in detection cavity bottom, in locating groove
Underface and with being provided with a Blind locating holes at probe body diameter parallel, then can be with for laying second of sensing element
The measurement of multi-parameter is realized in same probe.3rd, covered with one layer on the surface of the sensing element of the invention in detection cavity
Very thin barrier film, plays sensing, and protection, the effect of located sensing elements.The depth of the locating groove is more than first
The thickness of sensing element, is easy to lay the first sensing element, and control the thickness of barrier film.4th, the present invention is at assembly connection end
Technology groove is set with detecting the joining place of cavity above front end, on the premise of probe function structure is ensured, processing work is simplified
Skill, reduces the requirement to process tool and then reduces production cost.
Brief description of the drawings
Fig. 1 faces structure chart for one embodiment of the invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is Fig. 1 left view.
Fig. 4 is the stereogram of one embodiment of the invention.
Fig. 5 is the stereogram that one embodiment of the invention has installed the first sensing element.
Fig. 6 is the stereogram of another embodiment of the present invention.
Fig. 7 is the stereogram that another embodiment of the present invention has installed the first sensing element.
Embodiment
The present invention is further described in detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 ~ 5, including intervention probe body 1, described intervention probe body, which includes sphere, to be imported termination, intervenes
The leading portion of probe body and three parts of back segment of intervention probe body, the front and rear sections of intervention probe body are cylinder, sphere
The front end that termination 11 is arranged on intervention probe body is imported, it is semicircle sphere that described sphere, which imports termination, intervenes probe body
Leading portion be end of probe, back segment be assembly connection end.Detection cavity 2, described spy are opened up above the leading portion for intervening probe body
The front edge that cavity front end extends to intervention probe body leading portion is surveyed, section joins before and after rear end extends to intervention probe body
Place, detection cavity bottom face 7 is along intervention probe body axle on the rectangle plane with intervening probe body diameter parallel, bottom surface
To locating groove 8 is opened up, described locating groove is arranged on the centre of detection cavity floor, is rectangle, front end extends to spy
Cavity front end face edge is surveyed, locating groove front end both sides set transition arc 6, and locating groove rear end is logical to wear and intervention probe body
The endoporus at the assembly connection end of back segment is connected, and the first sensing element 4 is installed in locating groove, and the first sensing element passes for pressure
Sensing unit, the depth of locating groove be more than in the thickness of sensing element, detection cavity on the surface of the first sensing element covered with
Barrier film 13, the first sensing element is close to bottom land and installed, and described barrier film upper surface is flushed with locating groove groove face, described
Barrier film is silicon rubber, in the cladding and the lateral barrier film of filling of the first sensing element tail end, can position the first sensing element
More preferably.Technology groove 5 is set with detecting the joining place of cavity on the front end at assembly connection end.Under the leading portion for intervening probe body
Side sets Blind locating holes 10, and described Blind locating holes are axially opened in below probe body leading portion along intervention probe body, described
The apertures of Blind locating holes be connected with the endoporus at assembly connection end, the bottom holes of described Blind locating holes extend to intervention probe this
The front edge of body.The second sensing element is installed in Blind locating holes, the second sensing element is temperature-sensing element.Intervention probe is originally
The back segment of body in a tubular form, runs through before and after endoporus, is assembly connection end 12.Described intervention probe body material is stainless steel, titanium
The rigid metals such as metal or high polymer material.In the present embodiment, intervention probe overall length L1=4.4mm, outer diameter D=1.4mm, its
In, assembly connection end 12 is tubulose, and diameter of bore is 1.2mm, length L2=1.6mm；The length L3 of detection cavity 2=2mm, width
W1=1.04mm, length L4=0.15mm of technology groove 5, width W2=1.2mm.The bottom surface for detecting cavity is locating groove 8, positioning
Width W3=0.5mm of neck, locating groove front end both sides set the radius of transition arc 6 to be 0.15mm.Intervene probe body
Leading portion lower section namely the lower section of locating groove set Blind locating holes 10.
An alternative embodiment of the invention as shown in Figure 6,7, in the present embodiment, intervenes probe overall length L1=4.4mm,
Outer diameter D=1.4mm, wherein, assembly connection end 12 is tubulose, and diameter of bore is 1.2mm, length L2=1.6mm；Detect cavity 2
Length L3=2mm, width W1=1.04mm, length L4=0.15mm of technology groove 5, width W2=1.2mm.The bottom surface of detection cavity is
Locating groove 8, locating groove front end both sides set the radius of transition arc 6 to be 0.15mm.It is main with upper one embodiment
Difference is：Through hole 9 is opened up in the bottom 3 of locating groove, described through-hole diameter is less than locating groove width, and with determining
Position blind hole 10 is conducted, and through hole serves the effect of air guide, can install gauge pressure sensing element on the bottom 3 of locating groove.Its
Its structure is identical with upper one embodiment.
Claims (10)
1. a kind of miniature insertion type probe, it is characterised in that including intervention probe body, described intervention probe body includes ball
Face imports termination, the leading portion for intervening probe body and three parts of back segment for intervening probe body, intervenes the front end of probe body
Termination is imported for sphere, detection cavity is opened up above the leading portion for intervening probe body, detection cavity bottom face is opened up vertically
Installed in locating groove, locating groove on the first sensing element, the surface of first sensing element covered with barrier film, intervention
Set below the leading portion of probe body and the second sensing element is installed in Blind locating holes, Blind locating holes, intervene the back segment of probe body
In a tubular form, it is assembly connection end.
2. the miniature insertion type probe as described in claim 1, it is characterised in that described detection cavity front end extends to intervention
The front edge of probe body, rear end extends to section junction before and after intervention probe body.
3. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that described barrier film is covered in locating groove
Between the upper surface of groove face and the first sensing element.
4. the miniature insertion type probe as described in claim 2, it is characterised in that with detection on the front end at assembly connection end
The joining place of cavity sets technology groove, and technology groove is communicated with the endoporus at assembly connection end.
5. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that it is empty that described locating groove is arranged on detection
The centre in bottom of chamber face, is rectangle, and front end extends to detection cavity front end face, and locating groove front end both sides set transition arc,
Logical wear in locating groove rear end is connected with the endoporus at assembly connection end, and the depth of the locating groove is more than the first sensing element
Thickness, the first sensing element is close to bottom land and installed, and described isolation film thickness is 0.01~0.5mm.
6. as described in claim 1 or 2 miniature insertion type probe, it is characterised in that described barrier film be silicon rubber, gel,
Latex or polyurethane elastomer.
7. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that described intervenes the forward and backward of probe body
Section is cylinder, and it is semicircle sphere or small semicircle sphere that described sphere, which imports termination,.
8. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that described Blind locating holes pop one's head in this along intervention
Body is axially opened in below probe body leading portion, and the aperture of the Blind locating holes is connected with the endoporus at assembly connection end, described
The bottom hole of Blind locating holes extends to the front edge of intervention probe body.
9. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that the external diameter of described miniature insertion type probe
For 1~2mm, 2~5mm of length；0.6~the 1.6mm of diameter of bore at the assembly connection end；The length of the locating groove is
0.4~2mm, width is 0.3~2mm.
10. the miniature insertion type probe as described in claim 1 or 2, it is characterised in that described intervention probe body material is
Stainless steel, titanium or high polymer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517033.7A CN107184191A (en) | 2017-06-29 | 2017-06-29 | A kind of miniature insertion type probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517033.7A CN107184191A (en) | 2017-06-29 | 2017-06-29 | A kind of miniature insertion type probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107184191A true CN107184191A (en) | 2017-09-22 |
Family
ID=59880275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710517033.7A Pending CN107184191A (en) | 2017-06-29 | 2017-06-29 | A kind of miniature insertion type probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107184191A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5788642A (en) * | 1995-06-19 | 1998-08-04 | Becton, Dickinson And Company | In vivo rezero apparatus for a pressure transducer |
| US20090299178A1 (en) * | 2008-05-30 | 2009-12-03 | Woojin Kim | Catheter tip device and method for manufacturing same |
| CN102649001A (en) * | 2011-02-22 | 2012-08-29 | 通用电气公司 | Catheter tip device and method for manufacturing same |
| CN104352233A (en) * | 2014-12-05 | 2015-02-18 | 苏州景昱医疗器械有限公司 | Probe contact of intracranial pressure monitoring system and probe provided with probe contact |
| US9005134B2 (en) * | 2012-01-31 | 2015-04-14 | Medtronic, Inc. | Sensor over-mold shape |
| CN105125201A (en) * | 2015-09-29 | 2015-12-09 | 江苏爱思普医疗科技有限公司 | Implantable intracranial pressure monitoring probe |
| CN105686811A (en) * | 2016-02-24 | 2016-06-22 | 南京航空航天大学 | Minimally-invasive encephalic multi-parameter detection probe |
| CN206197935U (en) * | 2016-07-28 | 2017-05-31 | 四川经纬灵仪科技有限公司 | For the sensor of intracranial pressure monitoring |
-
2017
- 2017-06-29 CN CN201710517033.7A patent/CN107184191A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5788642A (en) * | 1995-06-19 | 1998-08-04 | Becton, Dickinson And Company | In vivo rezero apparatus for a pressure transducer |
| US20090299178A1 (en) * | 2008-05-30 | 2009-12-03 | Woojin Kim | Catheter tip device and method for manufacturing same |
| CN102649001A (en) * | 2011-02-22 | 2012-08-29 | 通用电气公司 | Catheter tip device and method for manufacturing same |
| US9005134B2 (en) * | 2012-01-31 | 2015-04-14 | Medtronic, Inc. | Sensor over-mold shape |
| CN104352233A (en) * | 2014-12-05 | 2015-02-18 | 苏州景昱医疗器械有限公司 | Probe contact of intracranial pressure monitoring system and probe provided with probe contact |
| CN105125201A (en) * | 2015-09-29 | 2015-12-09 | 江苏爱思普医疗科技有限公司 | Implantable intracranial pressure monitoring probe |
| CN105686811A (en) * | 2016-02-24 | 2016-06-22 | 南京航空航天大学 | Minimally-invasive encephalic multi-parameter detection probe |
| CN206197935U (en) * | 2016-07-28 | 2017-05-31 | 四川经纬灵仪科技有限公司 | For the sensor of intracranial pressure monitoring |
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|---|---|---|---|
| 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 |
Application publication date: 20170922 |
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| RJ01 | Rejection of invention patent application after publication |