CN109925588A - Improve the interventional therapy conduit of ultrasonic sensitive - Google Patents
Improve the interventional therapy conduit of ultrasonic sensitive Download PDFInfo
- Publication number
- CN109925588A CN109925588A CN201910312915.9A CN201910312915A CN109925588A CN 109925588 A CN109925588 A CN 109925588A CN 201910312915 A CN201910312915 A CN 201910312915A CN 109925588 A CN109925588 A CN 109925588A
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- China
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- catheter body
- side opening
- interventional therapy
- connector
- ring cavity
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Abstract
The invention discloses a kind of interventional therapy conduits for improving ultrasonic sensitive, including catheter body, the tube wall of the catheter body successively includes outer layer from outside to inside, elastic connection layer and internal layer, the central through hole of the internal layer forms silk guide passage, several side openings are provided on the tube wall of the catheter body, ring cavity is formed in catheter body between the outer layer and internal layer, the axial direction of the ring cavity is axial parallel with catheter body, the elastic connection layer is formed filled with several elastic granules in the ring cavity, the conduit further includes the sleeve being arranged in the side opening, the sleeve is interference fitted along the axial setting of side opening and with the inner wall of the side opening.For the present invention by setting side opening, ultrasonic wave encounters the interface of different medium, and may pass through side opening and reflected at random in silk guide passage, detection sensitivity when ultrasound examination can be improved, detection accuracy is improved, and substantially harmless to human health, meets the needs of medical staff.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of interventional therapy conduit for improving ultrasonic sensitive.
Background technique
Interventional therapy is that a kind of minimal invasive carried out using modern high tech method is treated -- it is exactly in medical imaging device
Guidance under, by special conduit, the precision instruments such as seal wire introduce human body, carry out diagnosis and local treatment to internal morbid state.It is situated between
Enter treatment use digital technology, expand the visual field of doctor, by conduit, seal wire extends the both hands of doctor, its notch (is worn
Pierce point), only grain of rice size does not have to cut tissue, so that it may which treat many can not treat in the past, it is necessary to which operative treatment is interior
The not good enough disease of curative effect, such as tumour, hemangioma, various bleedings etc. are treated by section.Interventional therapy, which has, does not operate on, and wound is small, restores
Fastly, the good feature of effect.It is the development trend of future medicine.
Currently, the lesion type of major part can all use interposing catheter, generally there is X for the position detection of interposing catheter
Light ray detection and ultrasound detection, but detected using x-ray irradiation has very greatly medical staff and patient for a long time
Counter productive influence the progress and detection for the treatment of if can there is a problem of that measurement position is inaccurate again using ultrasound detection
Accuracy.
Summary of the invention
In view of this, can be improved the purpose of the present invention is to provide a kind of interventional therapy conduit for improving ultrasonic sensitive
Detection sensitivity when ultrasound examination improves detection accuracy, and substantially harmless to human health, meets medical staff's
It needs.
The interventional therapy conduit of ultrasonic sensitive, including catheter body are improved, the tube wall of the catheter body is from outside to inside
It successively include outer layer, elastic connection layer and internal layer, the central through hole of the internal layer forms silk guide passage, the pipe of the catheter body
Several side openings are provided on wall, the side opening is distributed at random on the tube wall of catheter body, and the side opening runs through conduit sheet
It the tube wall of body and is connected to the silk guide passage, forms ring cavity, the ring cavity between the outer layer and internal layer in catheter body
Axial direction and catheter body it is axial parallel, several elastic granules are filled in the ring cavity and form the elastic connection layer, institute
Stating conduit further includes the sleeve being arranged in the side opening, the sleeve along side opening axial setting and in the side opening
Wall interference fit.
Further, the side opening is inclined hole, and the axis of the inclined hole intersects with the axis of catheter body.
Further, the angle between the axis of the inclined hole and catheter body axis is 30 °~47 °.
Further, the sleeve includes sleeve body, and the sleeve body includes the big cylinder being axially arranged along sleeve body
Section and small cylinder section, the side opening are correspondingly formed the stepped hole for installing the big cylinder section and small cylinder section.
Further, the elastic granule is rubber grain, and the rubber grain is the ball-shaped particle of smooth in appearance.
Further, one end of the catheter body is provided with connector, and the connector and the catheter body are detachable
Connection, the connector are used for the elastic granule being compacted in the ring cavity.
Further, the connector includes connector body, and the connector body is in frustum type, the connector body
Center be connected to the central through hole of the catheter body, it is described integrally formed with annulated column on the end face of the connector body
External screw thread is provided on annulated column, the ring cavity, which is located on the inner wall of connector one end, is correspondingly arranged on internal screw thread.
Further, the conduit further includes connecting tube, and the connecting tube is connected with the other end of catheter body, the connection
The outer diameter of pipe is greater than the outer diameter of the catheter body, and the inner cavity of the connecting tube is connected to the central through hole.
Further, the inner wall surface roughness Ra > 3.2 of the internal layer.
Further, the diameter of the side opening is 1.5~3mm.
Beneficial effects of the present invention: the present invention treats conduit, including catheter body, if being provided on the tube wall of catheter body
Dry side hole, the side opening are distributed at random on the tube wall of catheter body, the side opening through catheter body tube wall and with
The silk guide passage connection, for the present invention by setting side opening, ultrasonic wave encounters the interface of different medium, and may pass through side opening and exist
It is reflected at random in silk guide passage, detection sensitivity when ultrasound examination can be improved, improve detection accuracy, and right
Human health is substantially harmless, meets the needs of medical staff.
Ring cavity, the axial direction and catheter body of the ring cavity are formed between outer layer and internal layer of the present invention in catheter body
It is axial parallel, by filling several elastic granules in ring cavity, allow catheter body that there is certain elastic recovery capability, simultaneously
It will not influence the ability for resisting flexible deformation, conduit can be allowed to more easily enter curved intravascular, facilitate the progress of operation.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the structural schematic diagram of catheter body of the present invention；
Fig. 2 is the connection schematic diagram of connecting tube and catheter body；
Fig. 3 is the structural schematic diagram of connector；
Fig. 4 is the structural schematic diagram of sleeve.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Fig. 1 is the structural schematic diagram of catheter body of the present invention, and Fig. 2 is the connection schematic diagram of connecting tube and catheter body, Fig. 3
For the structural schematic diagram of connector, Fig. 4 is the structural schematic diagram of sleeve.The interventional therapy conduit of ultrasonic sensitive is improved, including
Catheter body 1, the tube wall of the catheter body 1 from outside to inside successively include outer layer 101, elastic connection layer 102 and internal layer 103,
Tube wall described in the present embodiment refers to the radially inwardly directed side wall from the lateral wall of tube wall along catheter body 1 from outside to inside.It is described
The central through hole of internal layer 103 forms silk guide passage 104, is provided with several side openings 105 on the tube wall of the catheter body 1, described
Side opening 105 is distributed at random on the tube wall of catheter body 1, can be distributed in the radial direction of tube wall, along the axial direction of catheter body 1
Setting.The side opening 105 runs through the tube wall of catheter body 1 and is connected to the silk guide passage 104, the outer layer 101 and internal layer
Ring cavity is formed between 103 in catheter body 1, the axial direction of the ring cavity is axial parallel with catheter body 1, fills out in the ring cavity
The elastic connection layer 102 is formed filled with several elastic granules, the conduit further includes the sleeve being arranged in the side opening 105
2, the sleeve 2 is interference fitted along the axial setting of side opening 105 and with the inner wall of the side opening 105.
For the present invention by setting side opening 105, ultrasonic wave encounters the interface of different medium, and may pass through side opening 105 and leading
Silk is reflected at random in channel 104, and detection sensitivity when ultrasound examination can be improved, and improves detection accuracy, and
It is substantially harmless to human health, meet the needs of medical staff.In conduit between catheter outer 101 and internal layer 103 of the present invention
Ring cavity is formed in ontology 1, the axial direction of the ring cavity is axial parallel with catheter body 1, if by filling dry elasticity in ring cavity
Particle allows catheter body 1 to have certain elastic recovery capability, while will not influence the ability for resisting flexible deformation, Ke Yirang
Conduit more easily enters curved intravascular, facilitates the progress of operation.
The present embodiment is by setting sleeve 2, and sleeve 2 is along the axial setting of side opening 105 and the inner wall with the side opening 105
Interference fit, since side opening 105 intersects with sealing ring cavity, setting sleeve 2 plays a salable ring cavity and side opening
Between the effect that is connected to, prevent elastic granule from entering and block side opening 105 in side opening 105, can also reinforce at 105 inner wall of side opening
Structural strength will not change the intensity of catheter body 1 when having punched.
In the present embodiment, the side opening 105 is inclined hole, and the axis of the inclined hole intersects with the axis of catheter body 1.It is described
Angle between 1 axis of axis and catheter body of inclined hole is 30 °~47 °.The present embodiment passes through setting inclined hole, the entrance of inclined hole
Direction is the direction that conduit protrudes into blood vessel, can be convenient the circulation of blood vessel in this way, reduces the probability of blood blocking side opening.
In the present embodiment, the sleeve includes sleeve body, and the sleeve body includes axially being arranged along sleeve body
Big cylinder section 201 and small cylinder section 202, the side opening 105 are correspondingly formed the rank for installing the big cylinder section 201 and small cylinder section 202
Terraced hole can be convenient the installation of sleeve 2, install more firm.
In the present embodiment, the elastic granule is rubber grain, and the rubber grain is the ball-shaped particle of smooth in appearance.
The ball-shaped particle of smooth in appearance is set, allows between particle and is movable in the axial direction to each other, improve the elastic recovery capability of catheter body 1,
Improve the easness that conduit enters blood vessel.
In the present embodiment, one end of the catheter body 1 is provided with connector 3, the connector 3 and the catheter body
1 is detachably connected, and the connector 3 is used for the elastic granule being compacted in the ring cavity.The connector 3 includes connector body
301, the connector body 301 is in frustum type, and the center of the connector body 301 and the center of the catheter body 1 are logical
Hole connection is provided with external screw thread on the annulated column 302 integrally formed with annulated column 302 on the end face of the connector body 301,
The ring cavity, which is located on the inner wall of 3 one end of connector, is correspondingly arranged on internal screw thread.Connector 3 is threadedly coupled with catheter body 1, can
With the elastic granule intracavitary by 302 compression ring of annulated column, adjustment pressing force can adjust the elasticity of catheter body 1 to a certain extent
Recovery capability.
In the present embodiment, the conduit further includes connecting tube 4, and the connecting tube 4 is connected with the other end of catheter body 1,
The outer diameter of the connecting tube 4 is greater than the outer diameter of the catheter body 1, and the inner cavity of the connecting tube 4 is connected to the central through hole.
In the present embodiment, ultrasonic wave is can be improved in conduit sheet in the inner wall surface roughness Ra > 3.2 of the internal layer 103
Scattering power in body 1 is easy to detect to improve the ultrasonic sensitive of this conduit, and the diameter of side opening is 0.2~3mm, excellent
It is selected as 2mm, while can guaranteeing better detection effect again, guarantees the intensity of catheter body 1.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. improving the interventional therapy conduit of ultrasonic sensitive, it is characterised in that: including catheter body, the tube wall of the catheter body
It from outside to inside successively include outer layer, elastic connection layer and internal layer, the central through hole of the internal layer forms silk guide passage, the conduit
Several side openings are provided on the tube wall of ontology, the side opening is distributed at random on the tube wall of catheter body, and the side opening passes through
It perforates the tube wall of tube body and is connected to the silk guide passage, form ring cavity in catheter body between the outer layer and internal layer,
The axial direction of the ring cavity is axial parallel with catheter body, forms the elasticity even filled with several elastic granules in the ring cavity
Connect layer, the conduit further includes the sleeve being arranged in the side opening, the sleeve along side opening axial setting and with it is described
The inner wall of side opening is interference fitted.
2. the interventional therapy conduit according to claim 1 for improving ultrasonic sensitive, it is characterised in that: the side opening is oblique
Hole, the axis of the inclined hole intersect with the axis of catheter body.
3. the interventional therapy conduit according to claim 2 for improving ultrasonic sensitive, it is characterised in that: the axis of the inclined hole
Angle between line and catheter body axis is 30 °~47 °.
4. the interventional therapy conduit according to claim 3 for improving ultrasonic sensitive, it is characterised in that: the sleeve includes
Sleeve body, the sleeve body include that the big cylinder section being axially arranged along sleeve body and small cylinder section, the side opening are correspondingly formed
For installing the stepped hole of the big cylinder section and small cylinder section.
5. the interventional therapy conduit according to claim 1 for improving ultrasonic sensitive, it is characterised in that: the elastic granule
For rubber grain, the rubber grain is the ball-shaped particle of smooth in appearance.
6. the interventional therapy conduit according to claim 1 for improving ultrasonic sensitive, it is characterised in that: the catheter body
One end be provided with connector, the connector is detachably connected with the catheter body, and the connector is described for being compacted
Elastic granule in ring cavity.
7. the interventional therapy conduit according to claim 6 for improving ultrasonic sensitive, it is characterised in that: the connector packet
Connector body is included, the connector body is in frustum type, the center at the center of the connector body and the catheter body
Through-hole connection is provided with external screw thread, the ring cavity on the annulated column integrally formed with annulated column on the end face of the connector body
Internal screw thread is correspondingly arranged on the inner wall of connector one end.
8. the interventional therapy conduit according to claim 7 for improving ultrasonic sensitive, it is characterised in that: the conduit also wraps
Connecting tube is included, the connecting tube is connected with the other end of catheter body, and the outer diameter of the connecting tube is greater than the catheter body
Outer diameter, the inner cavity of the connecting tube are connected to the central through hole.
9. it is according to claim 1 improve ultrasonic sensitive interventional therapy conduit, it is characterised in that: the internal layer it is interior
Wall surface roughness Ra > 3.2.
10. the interventional therapy conduit according to claim 1 for improving ultrasonic sensitive, it is characterised in that: the side opening
Diameter is 1.5~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910312915.9A CN109925588B (en) | 2019-04-18 | 2019-04-18 | Interventional therapy catheter with improved ultrasonic sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910312915.9A CN109925588B (en) | 2019-04-18 | 2019-04-18 | Interventional therapy catheter with improved ultrasonic sensitivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109925588A true CN109925588A (en) | 2019-06-25 |
| CN109925588B CN109925588B (en) | 2023-10-20 |
Family
ID=66990394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910312915.9A Active CN109925588B (en) | 2019-04-18 | 2019-04-18 | Interventional therapy catheter with improved ultrasonic sensitivity |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909787A (en) * | 1986-08-14 | 1990-03-20 | Danforth John W | Controllable flexibility catheter with eccentric stiffener |
| US20030045842A1 (en) * | 1998-03-31 | 2003-03-06 | Taisei Kawakita | Catheter |
| US20040220612A1 (en) * | 2003-04-30 | 2004-11-04 | Swainston Kyle W | Slidable capture catheter |
| DE69636690D1 (en) * | 1995-06-07 | 2006-12-21 | Medex Inc | catheter hub |
| US20110125132A1 (en) * | 2008-07-03 | 2011-05-26 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
| CN103623493A (en) * | 2013-11-05 | 2014-03-12 | 珠海成富医疗器材有限公司 | Ultrasonic developing catheter and forming process |
| CN104667411A (en) * | 2015-03-13 | 2015-06-03 | 刘政 | Ultrasonic development conduit |
| US20160354111A1 (en) * | 2014-02-06 | 2016-12-08 | Nipro Corporation | Catheter |
| CN106345041A (en) * | 2016-10-10 | 2017-01-25 | 许荣德 | Drainage catheter |
| CN207939709U (en) * | 2018-01-18 | 2018-10-02 | 泉州台商投资区五季网络有限公司 | A kind of automobile audio with reversing radar function |
| CN209827917U (en) * | 2019-04-18 | 2019-12-24 | 中国人民解放军陆军军医大学第二附属医院 | Interventional therapy catheter for improving ultrasonic sensitivity |
-
2019
- 2019-04-18 CN CN201910312915.9A patent/CN109925588B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909787A (en) * | 1986-08-14 | 1990-03-20 | Danforth John W | Controllable flexibility catheter with eccentric stiffener |
| DE69636690D1 (en) * | 1995-06-07 | 2006-12-21 | Medex Inc | catheter hub |
| US20030045842A1 (en) * | 1998-03-31 | 2003-03-06 | Taisei Kawakita | Catheter |
| US20040220612A1 (en) * | 2003-04-30 | 2004-11-04 | Swainston Kyle W | Slidable capture catheter |
| US20110125132A1 (en) * | 2008-07-03 | 2011-05-26 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
| CN103623493A (en) * | 2013-11-05 | 2014-03-12 | 珠海成富医疗器材有限公司 | Ultrasonic developing catheter and forming process |
| US20160354111A1 (en) * | 2014-02-06 | 2016-12-08 | Nipro Corporation | Catheter |
| CN104667411A (en) * | 2015-03-13 | 2015-06-03 | 刘政 | Ultrasonic development conduit |
| CN106345041A (en) * | 2016-10-10 | 2017-01-25 | 许荣德 | Drainage catheter |
| CN207939709U (en) * | 2018-01-18 | 2018-10-02 | 泉州台商投资区五季网络有限公司 | A kind of automobile audio with reversing radar function |
| CN209827917U (en) * | 2019-04-18 | 2019-12-24 | 中国人民解放军陆军军医大学第二附属医院 | Interventional therapy catheter for improving ultrasonic sensitivity |
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| Publication number | Publication date |
|---|---|
| CN109925588B (en) | 2023-10-20 |
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