CN103284711A - Expansion type cardiovascular piezometry catheter - Google Patents
Expansion type cardiovascular piezometry catheter Download PDFInfo
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- CN103284711A CN103284711A CN2013101892209A CN201310189220A CN103284711A CN 103284711 A CN103284711 A CN 103284711A CN 2013101892209 A CN2013101892209 A CN 2013101892209A CN 201310189220 A CN201310189220 A CN 201310189220A CN 103284711 A CN103284711 A CN 103284711A
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- catheter body
- swelling gasbag
- catheter
- expansion type
- inflation interface
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Abstract
An expansion type cardiovascular piezometry catheter comprises a catheter body and an expansion sac, one end of the catheter body is provided with a conical port, and the other end of catheter body is provided with an inflating connector, the expansion sac is arranged on the body of one end of the catheter body close to the conical port, and the inflating connector is communicated with the expansion sac. No bubbles are generated in the catheter, resonance and attenuation are not caused during monitoring, and occlusion caused by blood clotting during monitoring can be well avoided. Monitoring results are accurate, and accurate pressure values can be obtained without time delay and extra steps. Besides, the expansion type cardiovascular piezometry catheter is resistant to alkali and acid corrosion, has the advantages of excellent organic solvent resistance, is non-toxic and pollution-free and can be widely used to substitute for existing materials on and on.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of expansion type pressure cvd and measure conduit.
Background technology
Updating along with manufacturing, inspection method and the instrument and equipment of cardiac catheter in recent years, this clinical practice technology progressively develops and is perfect, improve cardiovascular diseases's Clinics and Practices level, promoted the development of the inside and outside section of heart, also greatly reduced the danger of cardiac catheterization and treatment.
Cardiac catheterization will be radiopaque conduit special, that certain toughness is arranged, deliver to the appointed part of heart and trunk through peripheral vessels, traveling route according to cardiac catheter, measure pressure and the oxygen content of heart and cardiovascular each several part, to calculate cardiac output, shunt volume and resistance of blood flow, and waveform and the numerical value of analyzing pressure curve carries out diagnosis and differential diagnosis, for the treatment disease provides important data.
Along with social cityization, technicalization, the development of hommization, Wicresoft's monitoring arterial pressure and injection of contrast medium or extraction blood are more and more paid attention to by the healthcare givers, development along with coronary angiography technology CAG, conduit can need be positioned the blood vessel of gaging pressure more accurately, the various angiography catheter that the feasible conduit of measuring also develops rapidly replaces, main gas-sensing probe and the sensor of adopting of existing measuring venous pressure without wound method and device shows test results at display, Chinese patent CN1390523A discloses a kind of measuring venous pressure without wound method and device, but consider that prior art can't need accurately be positioned the blood vessel of gaging pressure, easily get clogged and blood flow strength can influence measurement, it is slightly not enough that prior art just seems, and popularizing along with humanity concept, and the formation of novel harmonious society, design a kind of location that is easy to, it is very important that the expansion type pressure cvd of difficult obstruction and energy precise monitoring pressure extraction blood is measured conduit.
Summary of the invention
The technical problem that solves:
The application provides a kind of expansion type pressure cvd to measure conduit, solves the blood vessel that can't need accurately be positioned gaging pressure in existing piezometry method and the device, and easily getting clogged can influence technical problems such as measurement with blood flow strength.
Technical scheme:
A kind of expansion type pressure cvd is measured conduit, comprise catheter body and swelling gasbag, one end of described catheter body is provided with bell, other end catheter body is provided with the inflation interface, described swelling gasbag is located on the pipe shaft of catheter body near bell one end, and described inflation interface is communicated with swelling gasbag.
As a kind of optimal technical scheme of the present invention: described catheter body is the double-decker of interlayer hollow, its ectomesoderm is layer of polyurethane, internal layer is the Teflon layer, described swelling gasbag and inflation interface are located on the layer of polyurethane, and described inflation interface and swelling gasbag are connected between layer of polyurethane and Teflon layer.
As a kind of optimal technical scheme of the present invention: the catheter body pipe shaft is provided with the accommodation space of swelling gasbag, and the swelling gasbag chamber directly is communicated with on pipe shaft with the inflation interface.
As a kind of optimal technical scheme of the present invention: described catheter body center is continuous cavity, is provided with guiding wire in it.
As a kind of optimal technical scheme of the present invention: described inflation interface is provided with valve.
Beneficial effect:
A kind of expansion type pressure cvd of the present invention is measured conduit and adopted above technical scheme compared with prior art, has following technique effect: 1, no bubble in the conduit can not produce resonance and relaxation phenomenon in the monitoring; 2, can well avoid the obstruction that blood clotting causes in the observation process; 3, monitoring result is accurate, and both can having obtained accurately, force value does not increase operating time and step yet; 4, product acid-alkali-corrosive-resisting has the characteristics of good anti-organic solvent, and nontoxic pollution-free can be used widely, and constantly substitutes current material.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the profile of embodiments of the invention 1 and 2 catheter body B-B lines.
Fig. 3 is the profile of embodiments of the invention 3 and 4 catheter body A-A lines.
Description of reference numerals: 1, catheter body, 2, swelling gasbag, 3, bell, 4, the inflation interface, 5, layer of polyurethane, 6, the Teflon layer, 7, accommodation space, 8, valve.
The specific embodiment
Following examples further specify content of the present invention, but should not be construed as limitation of the present invention.Without departing from the spirit and substance of the case in the present invention, modification and replacement to the inventive method, step or condition are done all belong to scope of the present invention.
If do not specialize the conventional means that used technological means is well known to those skilled in the art among the embodiment.
Embodiment 1:
A kind of expansion type pressure cvd is measured conduit, long 90cm, catheter body 1 external diameter is 2cm, be provided with bell at catheter body 1 one ends, be convenient to go deep into blood vessel, the bell diameter is 1mm, catheter body 1 other end is provided with inflation interface 4, catheter body 1 is the double-deck ribbing housing of interlayer hollow, and its ectomesoderm is layer of polyurethane 5, and internal layer is Teflon layer 6, swelling gasbag 2 and inflation interface 4 are located on the layer of polyurethane 5, inflation interface 4 and swelling gasbag 2 are connected between layer of polyurethane 5 and Teflon layer 6, and swelling gasbag 2 is located at catheter body 1 apart from the pipe shaft place at bell 1.5mm place, inflates interface 4 and is provided with valve 8, catheter body 1 center is continuous cavity, be provided with 0.018 inch guiding wire in it, swelling gasbag 2 adopts the monolayer thin-walled design, and diameter is 0.5-5mm behind the injection air.
The catheter body 1 that is mounted with swelling gasbag 2 is sent into the cardiovascular position that needs detected pressures, give A/C body 1 after swelling gasbag 2 gas injections by valve 8, but by the guiding wire continuous monitoring pressure in the conduit.
Embodiment 2:
A kind of expansion type pressure cvd is measured conduit, long 90cm, catheter body 1 external diameter is 2cm, catheter body 1 is the double-deck ribbing housing of interlayer hollow, its ectomesoderm is layer of polyurethane 5, internal layer is Teflon layer 6, catheter body 1 center is continuous cavity, be provided with bell at catheter body 1 one ends, the bell diameter is 1mm, catheter body 1 other end is provided with inflation interface 4, and inflation interface 4 is provided with valve 8, and swelling gasbag 2 and inflation interface 4 are located on the layer of polyurethane 5, inflation interface 4 and swelling gasbag 2 are connected between layer of polyurethane 5 and Teflon layer 6, swelling gasbag 2 is located at catheter body 1 apart from the pipe shaft place at bell 1.5mm place, and swelling gasbag 2 adopts the monolayer thin-walled design, and diameter is 0.5-5mm behind the injection air.
The catheter body 1 that is mounted with swelling gasbag 2 is sent into the cardiovascular position that needs detected pressures, to A/C body 1 after swelling gasbag 2 gas injections, can extract blood by valve 8 by bell.
Embodiment 3:
A kind of expansion type pressure cvd is measured conduit, long 90cm, catheter body 1 external diameter is 2cm, be provided with bell at catheter body 1 one ends, the bell diameter is 1mm, catheter body 1 other end is provided with inflation interface 4, inflation interface 4 is provided with valve 8, swelling gasbag 2 is located at catheter body 1 apart from the pipe shaft place at bell 1.5mm place, catheter body 1 pipe shaft is provided with the accommodation space 7 of swelling gasbag 2, and swelling gasbag 2 chambeies directly are communicated with on pipe shaft with inflation interface 4, and swelling gasbag 2 adopts the monolayer thin-walled design, diameter is 0.5-5mm behind the injection air, and catheter body 1 center is continuous cavity.
The catheter body 1 that is mounted with swelling gasbag 2 is sent into the cardiovascular position that needs detected pressures, to A/C body 1 after swelling gasbag 2 gas injections, can extract blood by valve 8 by bell.
Embodiment 4:
A kind of expansion type pressure cvd is measured conduit, long 90cm, catheter body 1 external diameter is 2cm, catheter body 1 center is continuous cavity, be provided with 0.018 inch guiding wire in it, be provided with bell at catheter body 1 one ends, the bell diameter is 1mm, catheter body 1 other end is provided with inflation interface 4, and inflation interface 4 is provided with valve 8, and catheter body 1 pipe shaft is provided with the accommodation space 7 of swelling gasbag 2, swelling gasbag 2 is located at catheter body 1 apart from the pipe shaft place at bell 1.5mm place, swelling gasbag 2 chambeies directly are communicated with on catheter body 1 pipe shaft with inflation interface 4, and swelling gasbag 2 adopts the monolayer thin-walled design, and diameter is 0.5-5mm behind the injection air.
The catheter body 1 that is mounted with swelling gasbag 2 is sent into the cardiovascular position that needs detected pressures, to A/C body 1 after swelling gasbag 2 gas injections, can pass through guiding wire continuous monitoring pressure by valve 8.
By reference to the accompanying drawings embodiments of the present invention have been done detailed description above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from aim of the present invention, makes a variety of changes.
Claims (5)
1. an expansion type pressure cvd is measured conduit, it is characterized in that comprising catheter body (1) and swelling gasbag (2), one end of described catheter body (1) is provided with bell (3), other end catheter body (1) is provided with inflation interface (4), described swelling gasbag (2) is located on the pipe shaft of catheter body (1) near bell (3) one ends, and described inflation interface (4) is communicated with swelling gasbag (2).
2. a kind of expansion type pressure cvd according to claim 1 is measured conduit, it is characterized in that: described catheter body (1) is the double-decker of interlayer hollow, its ectomesoderm is layer of polyurethane (5), internal layer is Teflon layer (6), described swelling gasbag (2) and inflation interface (4) are located on the layer of polyurethane (5), and described inflation interface (4) and swelling gasbag (2) are connected between layer of polyurethane (5) and Teflon layer (6).
3. a kind of expansion type pressure cvd according to claim 1 is measured conduit, it is characterized in that: catheter body (1) pipe shaft is provided with the accommodation space (7) of swelling gasbag (2), and swelling gasbag (2) chamber directly is communicated with on pipe shaft with inflation interface (4).
4. a kind of expansion type pressure cvd according to claim 1 is measured conduit, and it is characterized in that: described catheter body (1) center is continuous cavity, is provided with guiding wire in it.
5. a kind of expansion type pressure cvd according to claim 1 is measured conduit, and it is characterized in that: described inflation interface (4) is provided with valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101892209A CN103284711A (en) | 2013-05-21 | 2013-05-21 | Expansion type cardiovascular piezometry catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101892209A CN103284711A (en) | 2013-05-21 | 2013-05-21 | Expansion type cardiovascular piezometry catheter |
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| Publication Number | Publication Date |
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| CN103284711A true CN103284711A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101892209A Pending CN103284711A (en) | 2013-05-21 | 2013-05-21 | Expansion type cardiovascular piezometry catheter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104398247A (en) * | 2014-11-28 | 2015-03-11 | 中山市普利斯微创介入医械有限公司 | Pressure measuring catheter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0488322A1 (en) * | 1990-11-30 | 1992-06-03 | Lee Haojun | Medical soft equipment and its means and instruments for controlling curvature |
| US20060173300A1 (en) * | 2005-01-11 | 2006-08-03 | Aga Medical Corp. | Open structure sizing device |
| CN100495278C (en) * | 2006-06-09 | 2009-06-03 | 四川大学华西医院 | Automatic regulating and control instrument in conduit pipe sacculus |
| WO2012103266A2 (en) * | 2011-01-25 | 2012-08-02 | Nvision Medical Corporation | Systems and methods for maintaining a narrow body lumen |
| CN102908131A (en) * | 2011-08-04 | 2013-02-06 | 袁丽君 | Novel noninvasive measuring method for left ventricular end diastolic pressure |
| CN203263377U (en) * | 2013-05-21 | 2013-11-06 | 陈绍良 | Expansion type cardiovascular piezometry catheter |
-
2013
- 2013-05-21 CN CN2013101892209A patent/CN103284711A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0488322A1 (en) * | 1990-11-30 | 1992-06-03 | Lee Haojun | Medical soft equipment and its means and instruments for controlling curvature |
| US20060173300A1 (en) * | 2005-01-11 | 2006-08-03 | Aga Medical Corp. | Open structure sizing device |
| CN100495278C (en) * | 2006-06-09 | 2009-06-03 | 四川大学华西医院 | Automatic regulating and control instrument in conduit pipe sacculus |
| WO2012103266A2 (en) * | 2011-01-25 | 2012-08-02 | Nvision Medical Corporation | Systems and methods for maintaining a narrow body lumen |
| CN102908131A (en) * | 2011-08-04 | 2013-02-06 | 袁丽君 | Novel noninvasive measuring method for left ventricular end diastolic pressure |
| CN203263377U (en) * | 2013-05-21 | 2013-11-06 | 陈绍良 | Expansion type cardiovascular piezometry catheter |
Non-Patent Citations (1)
| Title |
|---|
| 郑涛: "《穿刺置入引流管与引流袋连接方法的改进》", 《中华医院感染学杂志》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104398247A (en) * | 2014-11-28 | 2015-03-11 | 中山市普利斯微创介入医械有限公司 | Pressure measuring catheter |
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Application publication date: 20130911 |