CN203564638U - Ball head guide wire - Google Patents
Ball head guide wire Download PDFInfo
- Publication number
- CN203564638U CN203564638U CN201320335710.0U CN201320335710U CN203564638U CN 203564638 U CN203564638 U CN 203564638U CN 201320335710 U CN201320335710 U CN 201320335710U CN 203564638 U CN203564638 U CN 203564638U
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- CN
- China
- Prior art keywords
- seal wire
- head end
- mandrel
- guide wire
- head
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- 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.)
- Withdrawn - After Issue
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- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
A ball head guide wire comprises a flexible long strip-shaped mandrel, a guide wire head end arranged on the head of the mandrel, a wrapping layer wrapping the outside of the mandrel and made of a flexible material, and a head pipe made of a developing high-polymer material. The head pipe is connected with the wrapping layer and the guide wire head end. The guide wire head end is an internally-hollow sphere made of a highly-elastic material. A hydrophilic layer is arranged on the outer surface of the guide wire. The guide wire head end and the wrapping layer are integrated into a whole. The ball head guide wire has the advantage that cavity wall piercing cannot be generated, the guide wire head end can pass through a cavity smoothly, and operation risks are low.
Description
Technical field
This utility model relates to medical instruments field, the seal wire that particularly a kind of duodenum endoscopic surgery is used.
Background technology
Biliary tract or pancreatic system disease are a kind of common clinicals in China, especially with the quickening pace of modern life, this type of patient's condition highlights day by day, adopted operative treatments more in the past, but exist wound large, complication shortcomings many and that easily recur, many patients accept operative treatment repeatedly because of recurrence of hepatolithiasis, and body and mind is subject to huge injury.
Along with the raising of scientific and technological level and the development of Humanities Medical Science, the concept of Wicresoft's wound is so more and more that to be used in clinically.How to use as far as possible little wound to reach doctor's therapeutic purposes, just become the topic often relating at present.With regard to the difficult point in digestive system---with regard to Pancreaticobiliary Duct Diseases, its less invasive techniques is ripe day by day, has related to diagnosis, has treated various aspects.
Endoscopic retrograde cholangiopancreatography, English abbreviation ERCP, thereby a technology of pancreatic duct retrograde urography being diagnosed relevant disease and being treated by duodenoscope.For cholelithiasis, tumor, damage, narrow, lopsided etc., there is important diagnostic to be worth.This item inspection has than impacts such as B ultrasonic, CT to be learned and checks image more intuitively.The serial adnexa apparatus that this operation is used, generally includes: seal wire, incision knife, get stone sacculus, dilating sacculus, stone extraction basket, angiography catheter, plastic stent and metal rack etc.Seal wire is the indispensable apparatus of ERCP operation.As diagnostic apparatus, it is that doctor searches the optimum instrument of source of disease, the important dependence that other apparatuses play a role.
Chinese patent application 200380105092.X has disclosed a kind of guide wire for medical use, the metal core wire being covered by resin by surface forms, have and bend to round and smooth curvilinear leading section, the direction extended line of this leading section and seal wire baseline angulation are 40 ~ 70 degree.The shortcoming of this seal wire is, doctor, when using seal wire, is to come repeatedly seal wire to be extracted, inserted according to the feedback of the faint power of seal wire be passed back, until position, seal wire directed overshoot position.Therefore, although the seal wire of head-bent easily enters tract in direction of insertion, while extracting, sweep is also easily hooked into tract wall, causes tract perforation, the having a big risk of clinical use.
Utility model content
In order to overcome the sweep of existing guide wire for medical use existence, be easily hooked into the shortcoming that tract wall causes tract perforation, this utility model provides a kind of bulb seal wire that can not cause the perforation of tract wall.
A kind of bulb seal wire, comprise and there is flexible strip mandrel, be positioned at the seal wire head end of mandrel head and be coated on the clad that mandrel is outer, made by flexible material, and the head pipe of being made by development macromolecular material, head pipe connects clad and seal wire head end, it is characterized in that: the spheroid that described seal wire head end is the inner hollow made by highly elastic material, the outer surface of seal wire has hydrophilic layer, seal wire head end and clad one.Highly elastic material is as polyurethane, modification of nylon elastomeric material.
Further, spheroid front end offers passage.
Further, described clad is pattern pipe, and the front end of head pipe and seal wire head end are melt into and are integrated, and first section of head pipe is melt into and is integrated with pattern pipe.
Further, described mandrel front end is pre-small post-large cone, and mandrel main body is cylindrical, and pattern pipe pyrocondensation is in mandrel surface.
The concrete steps of this utility model in operation are as follows:
1), apparatus prepares, preoperative preparation.
2), insert duodenum endoscope, find and enter the duodenum section of falling teat placement.
3), through duodenum endoscope channel, insert mandrel of the present utility model,, until the head pipe developing appears under the visual field of endoscope lens, find teat placement.
4), bulb seal wire is passed through to funnelform guide pipe, seal wire head end is gradually by the spherical linear that is compressed into, compressed seal wire head end can pass through angiography tube or incision knife, once seal wire head end enters nipple mouth, it is spherical in shape that seal wire head end recovers deformation, like this, seal wire head end can be spread out and easily by nipple mouth from fold place.
5), on x-ray display screen, can see the front end of the seal wire of development, in its guiding Xia Shi endoscope and operating theater instruments, enter into desired location.Then carry out operation technique, realize the object of diagnosis or treatment.
Seal wire head end of the present utility model is elastic sphere, when seal wire head end enters narrow positions, seal wire head end be squeezed can deformation linearly shape is with by narrow positions, when seal wire head end is by after narrow positions, it is spherical in shape that seal wire head end recovers deformation.And seal wire head end is round and smooth, the head pipe of seal wire head end and development and clad one, make seal wire whole smooth, thereby avoid occurring the situation of seal wire hook tract gauffer, avoids tract perforation in operation, reduces operation risk.
The utlity model has and can not cause the perforation of tract wall, seal wire head end can pass through tract, the advantage that operation risk is little smoothly.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
Schematic diagram when Fig. 2 is this utility model use.
The specific embodiment
As depicted in figs. 1 and 2, a kind of bulb seal wire, comprise and there is flexible strip mandrel 1, be positioned at the seal wire head end 2 of mandrel 1 head and be coated on the clad 3 that mandrel 1 is outer, made by flexible material, and the head pipe 4 of being made by development macromolecular material, head pipe 4 connects clads 3 and seal wire head ends 2, the spheroid that described seal wire head end 2 is the inner hollow made by highly elastic material, the outer surface of seal wire has hydrophilic layer 5, seal wire head end 2 and clad 3 one.Highly elastic material is as polyurethane, modification of nylon elastomeric material.Mandrel 1 adopts Nitinol wire material, and head pipe 4 adopts the high-elastic gonosome polyurethane of macromolecule under x-ray with developing function.
Spheroid front end offers passage 21.When seal wire head end 2 is received extruding and while there is deformation, the gas in spheroid can be discharged through passage 21, be convenient to the compressive deformation of seal wire head end 2.
Described clad 3 is pattern pipe, and the front end of head pipe 4 and seal wire head end 2 are melt into and are integrated, and first section of head pipe 4 is melt into and is integrated with pattern pipe.Pattern pipe, seal wire head end 2 and head pipe 4 one, make seal wire integral surface smooth, thereby avoid hook tract gauffer.
The front end of described mandrel 1 is pre-small post-large cone, and the main body of mandrel 1 is cylindrical, and pattern pipe pyrocondensation is in mandrel 1 surface.
The concrete steps of this utility model in operation are as follows:
1), apparatus prepares, preoperative preparation.
2), insert the A of duodenum endoscope, find and enter the duodenum section of falling nipple B position.
3), through the A of duodenum endoscope pincers road, insert mandrel 1 of the present utility model,, until the head pipe 4 developing appears under the visual field of endoscope lens, find nipple B position.
4), bulb seal wire is passed through to funnelform guide pipe, seal wire head end 2 is gradually by the spherical linear that is compressed into, compressed seal wire head end 2 can pass through angiography tube or incision knife, once seal wire head end 2 enters nipple B mouth, it is spherical in shape that seal wire head end 2 recovers deformation, like this, seal wire head end 2 can be spread out and easily by nipple B mouth from fold place.
5), on x-ray display screen, can see the front end of the seal wire of development, in its guiding Xia Shi endoscope and operating theater instruments, enter into desired location.Then carry out operation technique, realize the object of diagnosis or treatment.
Seal wire head end 2 of the present utility model is elastic sphere, when seal wire head end 2 enters narrow positions, seal wire head end 2 be squeezed can deformation linearly shape is with by narrow positions, when seal wire head end 2 is by after narrow positions, it is spherical in shape that seal wire head end 2 recovers deformation.And seal wire head end 2 is round and smooth, seal wire head end 2 and head pipe 4 and clad 3 one of developing, make seal wire whole smooth, thereby avoid occurring the situation of seal wire hook tract gauffer, avoids tract perforation in operation, reduces operation risk.
The utlity model has and can not cause the perforation of tract wall, seal wire head end can pass through tract, the advantage that operation risk is little smoothly.
Content described in this description embodiment is only enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also and the equivalent technologies means that can expect according to this utility model design in those skilled in the art.
Claims (4)
1. a bulb seal wire, comprise and there is flexible strip mandrel, be positioned at the seal wire head end of mandrel head and be coated on the clad that mandrel is outer, made by flexible material, and the head pipe of being made by development macromolecular material, head pipe connects clad and seal wire head end, it is characterized in that: the spheroid that described seal wire head end is the inner hollow made by highly elastic material, the outer surface of seal wire has hydrophilic layer, seal wire head end and clad one.
2. bulb seal wire as claimed in claim 1, is characterized in that: spheroid front end offers passage.
3. bulb seal wire as claimed in claim 2, is characterized in that: described clad is pattern pipe, and the front end of head pipe and seal wire head end are melt into and are integrated, and first section of head pipe is melt into and is integrated with pattern pipe.
4. bulb seal wire as claimed in claim 3, is characterized in that: described mandrel front end is pre-small post-large cone, and mandrel main body is cylindrical, and pattern pipe pyrocondensation is in mandrel surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335710.0U CN203564638U (en) | 2013-06-08 | 2013-06-08 | Ball head guide wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335710.0U CN203564638U (en) | 2013-06-08 | 2013-06-08 | Ball head guide wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203564638U true CN203564638U (en) | 2014-04-30 |
Family
ID=50532405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320335710.0U Withdrawn - After Issue CN203564638U (en) | 2013-06-08 | 2013-06-08 | Ball head guide wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203564638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316416A (en) * | 2013-06-08 | 2013-09-25 | 杭州安杰思医学科技有限公司 | Ball head guide wire |
-
2013
- 2013-06-08 CN CN201320335710.0U patent/CN203564638U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316416A (en) * | 2013-06-08 | 2013-09-25 | 杭州安杰思医学科技有限公司 | Ball head guide wire |
| CN103316416B (en) * | 2013-06-08 | 2015-04-15 | 杭州安杰思医学科技有限公司 | Ball head guide wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140430 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |