CN207370969U - A kind of new uropoiesis and digestive endoscope zebra superslide seal wire - Google Patents
A kind of new uropoiesis and digestive endoscope zebra superslide seal wire Download PDFInfo
- Publication number
- CN207370969U CN207370969U CN201720369180.XU CN201720369180U CN207370969U CN 207370969 U CN207370969 U CN 207370969U CN 201720369180 U CN201720369180 U CN 201720369180U CN 207370969 U CN207370969 U CN 207370969U
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- CN
- China
- Prior art keywords
- zebra
- seal wire
- polyurethane material
- uropoiesis
- inner core
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Abstract
The utility model discloses a kind of new uropoiesis and digestive endoscope zebra superslide seal wires, the cunning seal wire includes NiTi inner core rod, medical polyurethane material clad, hydrophilic coat, the medical polyurethane material clad is coated on NiTi inner core rod outer surface, and in medical polyurethane material clad outer surface coated with hydrophilic coat, the inlet of the NiTi inner core rod is equipped with tapered section of taper；The inlet of the medical polyurethane material clad is equipped with tapered section of taper, and surface is equipped with tilting zebra-stripe, and scribbles hydrophilic coat in the tilting zebra-stripe and the other surface regions of medical polyurethane material clad.The utility model uropoiesis and digestive endoscope are more soft with the more traditional zebra guide wire in zebra cunning seal wire front end, beneficial to the guiding import operation of seal wire；The utility model seal wire full section surface hydrophilic coating can reduce the friction with the urinary tract and gastrointestinal mucosal or may caused damage.
Description
Technical field
The utility model is related to field of medical technology, particularly relate to a kind of new uropoiesis and digestive endoscope spot
Horse superslide seal wire.
Background technology
Due to the continuous progress of interventional medicine, in the urinary tract and digestive endoscope diagnosis and treatment process, seal wire be deep into it is defeated
The process of urinary catheter, renal plevis or bile duct biliary tract plays the role of important guiding and importing, and the zebra pigment figure on surface, which is beneficial to observation, leads
The movement or indexing of silk.The such guiding of seal wire and importing act as the introducing of subsequent conduit or stent, contrast agent injection, knot
Stone mesh basket insertion etc., all plays the role of indispensable.However, traditional zebra guide wire has two kinds of defects：
1, the PTFE heat-shrinkable tubes that structurally whole section of use of zebra guide wire is printed on zebra-stripe be contracted on plug make and
Into, the front end levigate plug of taper despite the use of, but due to the limitation of PTFE material hardness, before causing the zebra guide wire
Really up to the mark, the operating difficulties when guiding imported into ureter or bile duct is held, especially representative is the more U.S.'s ripple of Clinical practice
Scholar pause scientific company production uropoiesis zebra guide wire.
2, what zebra guide wire surface was contacted with uropoiesis and gastrointestinal mucosal is PTFE plastics, which can not carry out parent
Water coating and cause the direct hard contact of plastic or insert draw a mucous membrane, inevitably cause mucosa injury.
Comparatively ideal the urinary tract and digestive endoscope zebra guide wire should be not only easy to observe, and seal wire front end should also be relatively soft
In favor of guiding import operation, such as into ureter and biliary tract bile duct, Facing material preferably realizes hydrophilic coating, to ensure
It contacts mucosal tissue and is unlikely to cause mucosa injury when uropoiesis and alimentary canal slide.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model is the provision of a kind of new uropoiesis
And digestive endoscope zebra superslide seal wire.
In order to solve the above technical problems, the utility model is realized by following scheme：A kind of new uropoiesis and alimentary canal
Scope zebra superslide seal wire, the cunning seal wire include NiTi inner core rod, medical polyurethane material clad, hydrophilic coat, institute
It states medical polyurethane material clad and is coated on NiTi inner core rod outer surface, and applied in medical polyurethane material clad outer surface
It is covered with hydrophilic coat；
The inlet of the NiTi inner core rod is equipped with tapered section of taper；
The inlet of the medical polyurethane material clad is equipped with tapered section of taper, and surface is equipped with tilting zebra
Line, and scribble hydrophilic coat in the tilting zebra-stripe and the other surface regions of medical polyurethane material clad.
Further, the hardness of the medical polyurethane material clad is 35D to 40D.
Further, it is tapered section of taper at the inlet 10-15cm of the NiTi inner core rod.
Further, when the NiTi inner core rod outside diameter is 0.6mm, inlet end diameter is 0.18mm-0.22mm.
Further, the combination outer diameter formed after medical polyurethane material clad cladding NiTi inner core rod is
0.8mm-0.83mm。
Further, the hydrophilic coat is pharmaceutical grade cross-linked pvp coat.
Compared with the prior art, the beneficial effects of the utility model are：The utility model uropoiesis and digestive endoscope spot
The more traditional zebra guide wire in horse cunning seal wire front end is more soft, beneficial to the guiding import operation of seal wire；The utility model seal wire is complete
Section surface hydrophilic coating can reduce the friction with the urinary tract and gastrointestinal mucosal or may caused damage.The utility model cunning is led
Silk clinical practice shows that the cunning seal wire imports the widely used spot of clinic more traditional in performance in controllability, guiding after
Horse seal wire is more preferable；The utility model slides seal wire and fabulous sliding capability is shown on uropoiesis and gastrointestinal mucosal, can be greatly
Reduce tissue damage.
Description of the drawings
Fig. 1 slides guide wire schematic diagram for the utility model uropoiesis and digestive endoscope with zebra；
Fig. 2 is the zebra-stripe structure of the utility model medical polyurethane material clad outer surface.
It is marked in attached drawing：NiTi inner core rod 1, medical polyurethane material clad 2, hydrophilic coat 3, tilting zebra-stripe
4。
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
It refer to attached drawing 1-2, a kind of new uropoiesis of the utility model and digestive endoscope zebra superslide seal wire, the cunning
Seal wire includes NiTi inner core rod 1, medical polyurethane material clad 2, hydrophilic coat 3, the medical polyurethane material cladding
Layer 2 is coated on 1 outer surface of NiTi inner core rod, and is coated with hydrophilic coat 3 in 2 outer surface of medical polyurethane material clad；
The inlet of the NiTi inner core rod 1 is equipped with tapered section of taper；
The inlet of the medical polyurethane material clad 2 is equipped with tapered section of taper, and surface is equipped with tilting zebra
Line 4, and scribble hydrophilic coat 3 in 2 other surface regions of the tilting zebra-stripe 4 and medical polyurethane material clad.
The hardness of the medical polyurethane material clad 2 is 35D to 40D.
It is tapered section of taper at the inlet 10-15cm of the NiTi inner core rod 1.
When 1 outer diameter of NiTi inner core rod is 0.6mm, inlet end diameter is 0.18mm-0.22mm.
It is 0.8mm- that the medical polyurethane material clad 2, which coats the combination outer diameter formed after NiTi inner core rod 1,
0.83mm。
The hydrophilic coat 3 is pharmaceutical grade cross-linked pvp coat.The outstanding feature of pharmaceutical grade cross-linked pvp material is：It applies
The surface structure that very thin layer on its surface, is formed after then drying can be firmly crosslinked after overlaying on polyurethane base material.After meeting water, medicine
The moisture film of one layer of superslide is promptly formed on seal wire surface with the powerful water sorption of grade cross-linked pvp.
The new uropoiesis and digestive endoscope of the utility model slide the preparation method of seal wire with zebra, which includes
Following steps：
Step 1, the making of NiTi inner core rod 1：One section of interception meets seal wire outer diameter and the nickel-titanium memory of guidewire length requirement
Alloy wire, first, by Ultimum Ti wire rod through being ground to tapered section of the tapers of front end 10-15 centimeter lengths, NiTi inner core
When rod outside diameter is 0.6mm, inlet end diameter is 0.18mm-0.22mm；
Step 2, medical polyurethane material clad 2 coat the making of NiTi inner core rod 1：From head of plastic extruder
The butt end of NiTi inner core rod 1 is inserted by rear end, when NiTi inner core rod 1 comes out at extruder head mouth mold, connection constant speed drawing
Machine constant speed, which pulls forward, realizes that the polyurethane of seal wire shows the cladding for having zebra-stripe；
Step 2, hydrophilic coat 3：After the pharmaceutical grade PVP solution for preparing debita spissitudo, it will be coated in step 2 poly-
1 overall length of NiTi inner core rod of urethane is immersed in pharmaceutical grade PVP solution, is then vertically above carried with the speed of 3-6cm per second, until
It proposes pharmaceutical grade PVP liquid level of solution, and is dried up under 90 degree of -100 degree hot wind.
The utility model slides seal wire should first make its surface moisture film before, and method is：Using physiological saline or general note
It penetrates with water water logging or injects aforesaid liquid from seal wire protecting pipe.After contacting water, surface quickly forms the seal wire after moisture film can
It is sent into through the handle hole of uropoiesis and digestive endoscope, the activity through the visible seal wire front end of operational observations mouth, push or torsion stay in
Seal wire rear end outside scope jack, it can be achieved that seal wire in uropoiesis and guiding importing process in the digestive tract.
Above description is merely a prefered embodiment of the utility model, not thereby limits the patent model of the utility model
Enclose, every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model directly or
It connects and is used in other relevant technical fields, be equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of new uropoiesis and digestive endoscope zebra superslide seal wire, it is characterised in that：The cunning seal wire includes NiTi inner core
Stick（1）, medical polyurethane material clad（2）, hydrophilic coat（3）, the medical polyurethane material clad（2）It is coated on
NiTi inner core rod（1）Outer surface, and in medical polyurethane material clad（2）Outer surface is coated with hydrophilic coat（3）；
The NiTi inner core rod（1）Inlet be equipped with tapered section of taper；
The medical polyurethane material clad（2）Inlet be equipped with tapered section of taper, surface be equipped with tilting zebra-stripe
（4）, and in the tilting zebra-stripe（4）And medical polyurethane material clad（2）Hydrophilic coating is scribbled in other surface regions
Layer（3）.
2. a kind of new uropoiesis according to claim 1 and digestive endoscope zebra superslide seal wire, it is characterised in that：Institute
State medical polyurethane material clad（2）Hardness be 35D to 40D.
3. a kind of new uropoiesis according to claim 1 and digestive endoscope zebra superslide seal wire, it is characterised in that：Institute
State NiTi inner core rod（1）Inlet 10-15cm at be tapered section of taper.
4. a kind of new uropoiesis according to claim 3 and digestive endoscope zebra superslide seal wire, it is characterised in that：Institute
State NiTi inner core rod（1）When outer diameter is 0.6mm, inlet end diameter is 0.18mm-0.22mm.
5. a kind of new uropoiesis according to claim 1 and digestive endoscope zebra superslide seal wire, it is characterised in that：Institute
State medical polyurethane material clad（2）Coat NiTi inner core rod（1）The combination outer diameter formed afterwards is 0.8mm-0.83mm.
6. a kind of new uropoiesis according to claim 1 and digestive endoscope zebra superslide seal wire, it is characterised in that：Institute
State hydrophilic coat（3）For pharmaceutical grade cross-linked pvp coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720369180.XU CN207370969U (en) | 2017-04-10 | 2017-04-10 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720369180.XU CN207370969U (en) | 2017-04-10 | 2017-04-10 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207370969U true CN207370969U (en) | 2018-05-18 |
Family
ID=62297533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720369180.XU Active CN207370969U (en) | 2017-04-10 | 2017-04-10 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207370969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955411A (en) * | 2017-04-10 | 2017-07-18 | 深圳麦普奇医疗科技有限公司 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
-
2017
- 2017-04-10 CN CN201720369180.XU patent/CN207370969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955411A (en) * | 2017-04-10 | 2017-07-18 | 深圳麦普奇医疗科技有限公司 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
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