CN104771824B - Intubation and apparatus for deivation based on trans-radial to arteria renalis intervention - Google Patents
Intubation and apparatus for deivation based on trans-radial to arteria renalis intervention Download PDFInfo
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- CN104771824B CN104771824B CN201510151895.3A CN201510151895A CN104771824B CN 104771824 B CN104771824 B CN 104771824B CN 201510151895 A CN201510151895 A CN 201510151895A CN 104771824 B CN104771824 B CN 104771824B
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- seal wire
- conduit
- bolt
- intubation
- intervention
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Abstract
A kind of intubation and apparatus for deivation based on trans-radial to arteria renalis intervention, including a conduit, a seal wire, it is characterized in that, seal wire is a kind of metal memory-type nitinol alloy wire, it penetrates in conduit to conduit outlet from duct inlet and passed, and seal wire head is provided with the semi-round ball equal with seal wire diameter；The seal wire that penetrates in conduit is first-class to be interval with multiple raised nodes, a stop bolt is equipped between each node, stops that bolt rear end is supportted provided with Nitinol three-jaw, during room temperature, three-jaw stretching patch stops that bolt outer wall is axially in parallel with seal wire, seal wire smoothly can be penetrated in conduit；After seal wire and conduit intravasation, under the heat effect of body temperature, three-jaw supports temperature distortion, its front free end opens, and touch pipe inner wall, stops that bolt is forward fixed in the catheter, it can not move ahead, but can not inversely it be fixed, when seal wire needs to retreat, the stop bolt separated by node and with conduit individually can be exited all.
Description
Technical field
The present invention relates to the intubation and inductive technology of a kind of arteries intervention (radiography or stent in the treatment), more particularly to one
Plant intubation and the apparatus for deivation for being used for that renal artery blood vessel to be intervened.
Background technology
With the continuous improvement of living standard, the variation of life style, the sick incidence of disease of athero- property vascular is got over
Come higher, and coronary heart disease, nephrosis caused by hemadostewnosis have become and jeopardize one of principal disease of human life and health.It is athero-
The characteristics of hardening RAS, shows：It can develop into and entirely shut in 15% patient 5 years；In 10-20 ﹪ patient 5 years
Renal function will run down.Therefore, the patient for having 5-15 ﹪ every year can develop into End-stage renal disease change, last eventually through dialysis treatment
The annual death rate of phase renal lesions 3 is up to 50 ﹪.At present, the treatment technology of cardiovascular disease is quite ripe, particularly uses blood vessel branch
Frame interventional therapeutic technique has saved the life of countless patients with coronary heart disease, achieves the curative effect attracted people's attention.And RAS
PCI simply achieves the goal from common iliac artery, arteria brachialis intubation at present.But, this two arteries are all distributed in respective position
Deep layer, hardly possible is punctured, difficult hemostasis, certain difficulty and risk is there is in intervention procedure, also to patient's rehabilitation after the treatment
It is not guaranteed on time.Equally, heart arter intubation also gradually exposes its deficiency and drawback by the application of many decades,
As different narrow locations will meet the pipe to be inserted when blood vessel turns round and be difficult to enter from different position intubations, it is possible to
Cause ISR, also, multipath intubation also there are many deficiencies, such as, it is more difficult that shin bone artery puts sheath intubation hemostasis by compression,
Patient needs the overlong time that lies low, and local hematoma, false aneurysm, arteriovenous fistula and retroperitoneal hematoma has occurred.In spite of closing
Equipment is closed, but price is costly and to some patients' effect and bad.In order to overcome above drawback, we insert to several arteries
The characteristics of pipe portion position, is summarized, according to human vas distribution characteristics, according to regional nerve be distributed number, it is existing with reference to clinic
Shape, proposes a kind of intubation based on trans-radial to arteria renalis intervention and apparatus for deivation.
The content of the invention
It is an object of the invention to provide a kind of arteria renalis intervention intubation with superlastic sexual function and apparatus for deivation, to realize
Atherosclerotic Renal Artery Stenosis patient science, PCI is conveniently, safely efficiently carried out, solve its disease pain.
To achieve the above objectives, the present invention, which is adopted the following technical scheme that, is achieved：
A kind of intubation and apparatus for deivation based on trans-radial to arteria renalis intervention, including a length are more than 1.2m's
Conduit, a length are slightly larger than the seal wire of catheter length, and rear end of conduit is respectively communicated with medicine branch pipe, conduit provided with a threeway and entered
Mouthful；Characterized in that, the seal wire is a kind of metal memory-type nitinol alloy wire, it is penetrated in conduit to conduit from duct inlet
Outlet is passed, and seal wire head is provided with the semi-round ball equal with seal wire diameter；The seal wire penetrated in conduit is first-class to be interval with
A stop bolt is equipped between multiple raised nodes, each node, stops that the rear end of bolt is provided with and constitutes three-jaw by three sprig bars
Support, three-jaw support constituent material is Nitinol, during room temperature, and three sprig bars are close to stop that bolt outer wall and seal wire are axially in parallel,
Seal wire smoothly can be penetrated in conduit；After seal wire and conduit intravasation, under the heat effect of body temperature, three sprigs
Bar temperature distortion, its front free end opens, until touching pipe inner wall, at this moment, due to the hangnail effect that three-jaw is supportted, stops bolt
Forward fixed in the catheter, it is impossible to move ahead, seal wire by node and stop bolt, can only fore-aft travel a small distance h, h it is small
In node spacing；Due to the suitable thorn effect that three-jaw is supportted, stop that bolt can not be fixed inversely in the catheter, when seal wire needs to retreat
When, the stop bolt separated by node and with conduit individually can be exited all.
In such scheme, the seal wire end is provided with 360 provided with a dismountable rotary handle, the periphery of duct inlet
Spend graduation mark.
The node spacing is 20cm.The seal wire passes the part about 15cm of conduit outlet.The seal wire end is with adding
Hot device is connected.
It is an advantage of the invention that in its intervention procedure, can be obvious using ultra-strong elasticity and peculiar shape memory seal wire
The difficulty of blood vessel is lowered into, focus point is quick and precisely reached.Seal wire head is provided with the semi-round ball equal with seal wire diameter, can protect
Patient vessel's wall will not be caused to damage again after barrier seal wire insertion blood vessel.
Penetrate on the seal wire in conduit using three-jaw support, node and the combining structure for stopping bolt, seal wire can be made in cold conditions
Smoothly penetrate in conduit；After intravasation, because body temperature heat effect supports out three-jaw, it is ensured that seal wire when forward with
Conduit is gone together.When seal wire needs to retreat, due to the suitable thorn effect that three-jaw is supportted, stop that bolt can not be fixed inversely in the catheter,
Therefore the stop bolt that seal wire is separated by node and with conduit individually can be exited all, so as to ensure to have during seal wire intravasation
Higher spike and flexibility.
Brief description of the drawings
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is Z portions enlarged drawing (structure of conduit inner guide wire) in Fig. 1.Wherein：B figures are the A-A of a figures to sectional view.
In Fig. 1, Fig. 2,1, seal wire；2nd, duct inlet；3rd, rotary handle；4th, medicine branch pipe；5th, threeway；6th, conduit；7th, lead
Pipe is exported；8th, bolt is stopped；9th, three-jaw is supportted；10 nodes.
Embodiment
With reference to Fig. 1, it is a kind of with trans-radial to the arteria renalis intervene based on intubation and apparatus for deivation, including a length is
1.2-1.6m conduit 6, a metal memory-type seal wire 1, rear end of conduit have a threeway 5 to be respectively communicated with medicine branch pipe 4, conduit
Import 2；The periphery of duct inlet is provided with 360 degree of graduation marks.Seal wire is penetrated in conduit to conduit outlet 7 from duct inlet 2 and passed,
Part about 15cm is passed, seal wire head is provided with the semi-round ball equal with seal wire diameter；It, which is acted on, is reduced after seal wire insertion blood vessel
What patient vessel's wall was caused damages again.Conduit 2 is (poly- in such as existing common technology using the existing arterial cannulation having been commercialized
Urethane resin surface peritonaeum hydrophilic polymer conduit)；Seal wire 1 is made of NiTi (TiNi) alloy, such as model Q/
XB1516, Q/XB1520 TiNi-01 B alloy wires, its transition temperature range are that 20 degree of -40 degree is just particularly suitable for.With conventional steel
Silk is different, and TiNi alloy is a kind of memory function material, except with intensity it is high, wear-resisting, anti-corrosion, corrosion-resistant, without magnetic, bio-compatible
Outside the features such as property is good, also with ultra-strong elasticity, (tensile strength is 850MPa, and yield strength is 195-690MPa, and elongation percentage is reachable
To 25-50%) and shape-memory properties.Therefore, in its intervention procedure, the difficulty of intravasation is can obviously reduce, it is quick accurate
Really reach focus point.
Seal wire end also may be selected is connected with heater, so can further be increased by heat distortion seal wire memory and
Elasticity, to adapt to intervene complicated approach bloody path the need for (such as blood vessel turn round).
Seal wire end is provided with a dismountable rotary handle 3, and the used time, the rotary handle was integrated with seal wire end on,
The used time detachable lower does not preserve respectively.The function of the rotary handle is after seal wire inserts blood vessel, to coordinate the quarter of duct inlet periphery
Spend line, when being easy to seal wire intravasation stenosis can precise vernier adjustment seal wire radial angle, and intuitively show the seal wire anglec of rotation,
Shorten the PCI time.
With reference to Fig. 2, penetrate on the seal wire in conduit at interval of 20cm provided with raised node 10, be all provided between each node
There is a stop bolt 8, stop the rear end of bolt 8 provided with expandable three-jaw support 9.Three-jaw support 9 is made up of three sprig bars, they
When opening, angle is 120 ° (Fig. 2 b) between three sprig bar radial directions.Three-jaw support constituent material is the TiNi similar with seal wire
Alloy, during its cold conditions (room temperature), three sprig bars are close to stop that bolt outer wall is axially in parallel with seal wire, seal wire is smoothly penetrated and lead
Guan Zhong.After seal wire and conduit enter arteries, under the heat effect of body temperature (37 DEG C), three sprig bars are become by heat
Shape, its front free end opens, until touching pipe inner wall, at this moment, due to the hangnail effect that three-jaw is supportted, stops bolt in the catheter
Forward fixed, it is impossible to move ahead, seal wire by node and stop bolt 8, can only fore-aft travel a small distance h (h ＜ 20cm), this
Sample can ensure that seal wire is gone together with conduit when forward.When seal wire needs to retreat, due to the suitable thorn effect that three-jaw is supportted, stop that bolt exists
Can not inversely it be fixed in conduit, therefore the stop bolt 8 that seal wire is separated by node and with conduit individually can be exited all, so as to
With higher spike and flexibility during guarantee seal wire intravasation.
Claims (5)
1. a kind of intubation and apparatus for deivation based on trans-radial to arteria renalis intervention, including a length are more than leading for 1.2m
Pipe, a length are slightly larger than the seal wire of conduit, and rear end of conduit is respectively communicated with medicine branch pipe, duct inlet provided with a threeway；Its
It is characterised by, the seal wire is a kind of metal memory-type nitinol alloy wire, and it is penetrated in conduit to conduit outlet from duct inlet
Pass, seal wire head is provided with the semi-round ball equal with seal wire diameter；The seal wire penetrated in conduit is first-class be interval with it is multiple
A stop bolt is equipped between raised node, each node, stops that the rear end of bolt is provided with the three-jaw being made up of three sprig bars and supportted,
Three-jaw support constituent material is Nitinol, during room temperature, and three sprig bars are close to stop that bolt outer wall is axially in parallel with seal wire, make to lead
Silk can be penetrated smoothly in conduit；After seal wire and conduit intravasation, under the heat effect of body temperature, three sprig bars by
Thermal deformation, its front free end opens, until touching pipe inner wall, at this moment, due to the hangnail effect that three-jaw is supportted, stops that bolt is being led
Forward fixed in pipe, it is impossible to move ahead, seal wire is by node and stops bolt, can only fore-aft travel a small distance h, h is less than knot
Point spacing；Due to the suitable thorn effect that three-jaw is supportted, stop that bolt can not be fixed inversely in the catheter, when seal wire needs to retreat, lead to
The stop bolt crossed node and separated with conduit individually can be exited all.
2. the intubation and apparatus for deivation as claimed in claim 1 based on trans-radial to arteria renalis intervention, it is characterised in that
The seal wire end is provided with a dismountable rotary handle, and the periphery of duct inlet is provided with 360 degree of graduation marks.
3. the intubation and apparatus for deivation as claimed in claim 1 based on trans-radial to arteria renalis intervention, it is characterised in that
The node spacing is 20cm.
4. the intubation and apparatus for deivation as claimed in claim 1 based on trans-radial to arteria renalis intervention, it is characterised in that
The seal wire passes the part about 15cm of conduit outlet.
5. the intubation and apparatus for deivation as claimed in claim 1 based on trans-radial to arteria renalis intervention, it is characterised in that
The seal wire end is connected with heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151895.3A CN104771824B (en) | 2015-04-01 | 2015-04-01 | Intubation and apparatus for deivation based on trans-radial to arteria renalis intervention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151895.3A CN104771824B (en) | 2015-04-01 | 2015-04-01 | Intubation and apparatus for deivation based on trans-radial to arteria renalis intervention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104771824A CN104771824A (en) | 2015-07-15 |
| CN104771824B true CN104771824B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151895.3A Expired - Fee Related CN104771824B (en) | 2015-04-01 | 2015-04-01 | Intubation and apparatus for deivation based on trans-radial to arteria renalis intervention |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107753102B (en) * | 2017-11-23 | 2020-04-10 | 王凯 | Guide wire insertion device for trigeminal interventional therapy for neurosurgery |
| CN109820519A (en) * | 2019-03-11 | 2019-05-31 | 浙江大学 | Adrenal venous sampling conduit tube component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824973Y (en) * | 2005-04-22 | 2006-10-11 | 董永华 | Medical guide wire |
| CN101687087A (en) * | 2007-04-16 | 2010-03-31 | C.R.巴德有限公司 | Guidewire-assisted catheter placement system |
| CN102145202A (en) * | 2010-02-05 | 2011-08-10 | 微创医疗器械(上海)有限公司 | Medical guide wire |
| CN103991210A (en) * | 2013-02-19 | 2014-08-20 | 上海微创医疗器械（集团）有限公司 | Method for formation of spiral layer inside catheter |
| CN204699228U (en) * | 2015-04-01 | 2015-10-14 | 西安医学院第二附属医院 | The intubate got involved based on trans-radial to renal artery and apparatus for deivation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030069522A1 (en) * | 1995-12-07 | 2003-04-10 | Jacobsen Stephen J. | Slotted medical device |
| US6989024B2 (en) * | 2002-02-28 | 2006-01-24 | Counter Clockwise, Inc. | Guidewire loaded stent for delivery through a catheter |
| US20040215109A1 (en) * | 2003-04-23 | 2004-10-28 | Pingleton Edward D. | Helical guidewire |
-
2015
- 2015-04-01 CN CN201510151895.3A patent/CN104771824B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824973Y (en) * | 2005-04-22 | 2006-10-11 | 董永华 | Medical guide wire |
| CN101687087A (en) * | 2007-04-16 | 2010-03-31 | C.R.巴德有限公司 | Guidewire-assisted catheter placement system |
| CN102145202A (en) * | 2010-02-05 | 2011-08-10 | 微创医疗器械(上海)有限公司 | Medical guide wire |
| CN103991210A (en) * | 2013-02-19 | 2014-08-20 | 上海微创医疗器械（集团）有限公司 | Method for formation of spiral layer inside catheter |
| CN204699228U (en) * | 2015-04-01 | 2015-10-14 | 西安医学院第二附属医院 | The intubate got involved based on trans-radial to renal artery and apparatus for deivation |
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| CN104771824A (en) | 2015-07-15 |
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