CN201414815Y - Micro-guide wire - Google Patents
Micro-guide wire Download PDFInfo
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- CN201414815Y CN201414815Y CN2009201315338U CN200920131533U CN201414815Y CN 201414815 Y CN201414815 Y CN 201414815Y CN 2009201315338 U CN2009201315338 U CN 2009201315338U CN 200920131533 U CN200920131533 U CN 200920131533U CN 201414815 Y CN201414815 Y CN 201414815Y
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- micro
- wire
- inner core
- guide wire
- spring
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Abstract
The utility model provides a micro-guide wire applied to auxiliary medical devices in the diagnosis and treat field. The micro-guide wire comprises a micro-guide wire inner core and a spring, wherein,the front end of the micro-guide wire inner core is sheathed with the spring; and the front end part of the micro-guide wire inner core sheathed with the spring adopts a bend structure. The micro-guide wire achieves the optimum automatic controllability, helps the main body of the micro-guide wire to successfully enter the inner wall of a diseased blood vessel, better controls the tail end of themicro-guide wire to reach each small branch of the vessels, and injures vascular walls minimally, so that the optimum effect for the adjuvant therapy can be achieved.
Description
Technical field
This utility model belongs to the medical assistance apparatus in diagnosis and treatment field, relates in particular to a kind of micro-wire.
Background technology
In cardiovascular and cerebrovascular vessel particularly in the microvascular surgical clinical operation process of some capillarys; often can use the interior lesion locations of neural micro-wire intravasation of the thinner precision of diameter, so that provide more effective and succinct method for the operator takes more effective treatment operation scheme.China's micro-wire in clinical use at present mainly depends on external import, and domestic also do not have the producer that produces accurate meticulous micro-wire specially.
Existing micro-wire is welded by micro-wire inner core and spring.The micro-wire inner core is made by the 304V stainless steel silk, and spring is entwined by the 304V stainless steel silk, and micro-wire inner core fore-end is a straight peen.
Mainly there is following deficiency in above-mentioned existing micro-wire: the micro-wire core surface is smooth inadequately, easily blood vessel is caused the secondary injury; Micro-wire straight peen softness and elasticity can not get both, and are difficult for finding the pathological changes direction, intravasation branch lesion portion.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of automatic controllability that has, and helps micro-wire successfully to enter the micro-wire of lesion vessels inwall.
For solving the problems of the technologies described above, this utility model provides a kind of micro-wire, comprises the micro-wire inner core; Described micro-wire also comprises: be set in the spring of the front end of described micro-wire inner core, the micro-wire inner core fore-end that is arranged with spring is the bending structure.
The guide angle that the bending structure of described micro-wire inner core and straight line portion form is 0 degree～180 degree.
Described guide angle is 45 degree.
The length of described bending structure is 5～7mm.
The front end welding of the front end of described spring and micro-wire inner core forms a pad.
Described pad is hemispherical.
The bending corner of described bending structure is circular-arc.
Described micro-wire inner core is made of support portion, transition part and guide part successively, described transition part and guide part are gradually thin and have the structure of tapering, the maximum gauge of described transition part is less than or equal to the diameter of described support portion, and the minimum diameter of described transition part is more than or equal to the maximum gauge of described guide part.
The abutment surfaces of described micro-wire inner core is coated with hydrophilic coating.
Described hydrophilic coating is a teflon layer.
In this utility model, because being arranged with the micro-wire inner core fore-end of spring is the bending structure, make micro-wire have best automatic controllability, help the micro-wire main body to enter the lesion vessels inwall smoothly, can better control the micro-wire tail end and arrive each tiny branch of blood vessel, simultaneously the damage of blood vessel wall is reached minimum, reach the effect of best auxiliary treatment.Abutment surfaces at the micro-wire inner core applies one deck hydrophilic coating Teflon uniformly, strengthens micro-wire in conduit and endovascular slidably property; This coating has biocompatibility, and what injury human body is not had; Strengthened the surface smoothness of micro-wire inner core greatly, reduced coefficient of friction, prevented that when micro-wire from operating in blood vessel the lesion vessels wall being produced friction injures.When the diameter of micro-wire inner core 0.010---in the time of 0.014 inch, have better elastic and flexibility simultaneously.
Description of drawings
Fig. 1 is the structural representation of the micro-wire that provides of this utility model.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, this utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation this utility model, and be not used in qualification this utility model.
See also Fig. 1, be the micro-wire that this utility model embodiment provides, described micro-wire comprises: the front end welding of the front end of micro-wire inner core 10, the spring 4 of front end that is set in described micro-wire inner core 10 and spring 4 and micro-wire inner core 10 forms a pad 5.
In this utility model embodiment, described micro-wire inner core 10 is gradually carefully to form through at least twice skiving, as shown in Figure 1, micro-wire inner core 10 is made of support portion 1, transition part 2 and guide part 3 successively, described transition part and guide part are gradually thin and have the structure of tapering, the maximum gauge of described transition part is less than or equal to the diameter of described support portion, and the minimum diameter of described transition part is more than or equal to the maximum gauge of described guide part.Transition part 2 is tapered into suitable length and tapering by the support portion 1 of micro-wire inner core 10 through skiving, for the welding of fore-end spring 4 is got ready; Guide part 3 is further extensions of the transition part 2 of micro-wire inner core 10, this part becomes 8-10 centimetre gradually thin part through the further skiving of micro-wire inner core 10, micro-wire inner core 10 diameters of grinding are the 0.08-0.10 millimeter, and have better elastic and toughness through special handling.
Described micro-wire inner core 10 can adopt medical grade stainless steel silk 304# to make, and perhaps adopts the material of equal effect.Diameter according to micro-wire inner core 10 can be categorized as: 0.010 inch, and 0.012 inch, 0.014 inch three kinds of specification, total length is 150-300 centimetre not to be waited.Surface in the support portion 1 of described micro-wire inner core 10 applies one deck hydrophilic coating Teflon uniformly, and Teflon has certain hydrophilic, makes the surface of micro-wire inner core 10 more smooth, thus make in conduit and blood vessel in resistance to sliding little.The distinguishing feature of this hydrophilic coating Teflon is: strengthen micro-wire inner core 10 in conduit and endovascular slidably property; This coating has biocompatibility, and what injury human body is not had; Strengthened the surface smoothness of micro-wire inner core 10 greatly, reduced coefficient of friction, prevented that when micro-wire from operating in blood vessel the lesion vessels wall being produced friction injures.
In this utility model embodiment, when the diameter of micro-wire inner core 10 0.010---in the time of 0.014 inch, it can well direct into the intensive position of human nerve.The fore-end of micro-wire inner core 10 is made through grinding, and is not only enough thin, and has better elastic and flexibility simultaneously.
Described spring 4 can be that the medical grade 304# stainless steel silk of 0.05-0.06 millimeter is entwined by diameter, spring 4 diameters are consistent with the diameter of micro-wire inner core 10, are divided into 0.010 inch, 0.012 inch according to the size of diameter, 0.014 three kinds of specifications of inch, spring length is 20-25 centimetre.
Described micro-wire inner core 10 fore-ends that are arranged with spring 4 are the bending structure, the bending structure length is 5-7MM, this bending corner is circular-arc, and it is smooth, the guide angle 6 that the micro-wire inner core 10 of this bending structure and straight line portion forms is at 0 degree---between 180 degree, show after deliberation, this guide angle 6 is when 45 spend, micro-wire has best automatic controllability, help the micro-wire main body to enter the lesion vessels inwall smoothly, can better control the micro-wire tail end and arrive each tiny branch of blood vessel, the damage to blood vessel wall simultaneously reaches minimum, reaches the effect of best auxiliary treatment.
Below the concise and to the point using method of introducing the micro-wire that this utility model embodiment provides.
Cardiovascular and cerebrovascular vessel when operation, during thinner vascular surgery, often need be by means of micro-wire to judge that lesion locations is to instruct transfusion or medication accurately.
Micro-wire enters into after the blood vessel, and in conjunction with the rotation of moment of torsion, 45 ° elbow can enter into the pathological changes lacuna of vessel branch smoothly, assists microtubular to give corresponding treatment.The superslide micro-wire inner core of elbow that this utility model micro-wire is 45 ° and process special handling, the complication when reducing vascular surgery reduces the emergency risk that patient bears.
As from the foregoing, this utility model embodiment is owing to the micro-wire inner core fore-end that is arranged with spring is the bending structure, make micro-wire have best automatic controllability, help the micro-wire main body to enter the lesion vessels inwall smoothly, can better control the micro-wire tail end and arrive each tiny branch of blood vessel, simultaneously the damage of blood vessel wall is reached minimum, reach the effect of best auxiliary treatment.Abutment surfaces at the micro-wire inner core applies one deck hydrophilic coating Teflon uniformly, strengthens micro-wire in conduit and endovascular slidably property; This coating has biocompatibility, and what injury human body is not had; Strengthened the surface smoothness of micro-wire inner core greatly, reduced coefficient of friction, prevented that when micro-wire from operating in blood vessel the lesion vessels wall being produced friction injures.When the diameter of micro-wire inner core 0.010---in the time of 0.014 inch, have better elastic and flexibility simultaneously.
The above only is preferred embodiment of the present utility model; not in order to restriction this utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1, a kind of micro-wire comprises the micro-wire inner core; It is characterized in that described micro-wire also comprises: be set in the spring of the front end of described micro-wire inner core, the micro-wire inner core fore-end that is arranged with spring is the bending structure.
2, micro-wire as claimed in claim 1 is characterized in that, the guide angle that the bending structure of described micro-wire inner core and straight line portion form is 0 degree～180 degree.
3, micro-wire as claimed in claim 2 is characterized in that, described guide angle is 45 degree.
4, micro-wire as claimed in claim 1 is characterized in that, the length of described bending structure is 5～7mm.
5, micro-wire as claimed in claim 1 is characterized in that, the front end welding of the front end of described spring and micro-wire inner core forms a pad.
6, micro-wire as claimed in claim 5 is characterized in that, described pad is hemispherical.
7, micro-wire as claimed in claim 1 is characterized in that, the bending corner of described bending structure is circular-arc.
8, micro-wire as claimed in claim 1, it is characterized in that, described micro-wire inner core is made of support portion, transition part and guide part successively, described transition part and guide part are gradually thin and have the structure of tapering, the maximum gauge of described transition part is less than or equal to the diameter of described support portion, and the minimum diameter of described transition part is more than or equal to the maximum gauge of described guide part.
9, micro-wire as claimed in claim 8 is characterized in that, the abutment surfaces of described micro-wire inner core is coated with hydrophilic coating.
10, micro-wire as claimed in claim 9 is characterized in that, described hydrophilic coating is a teflon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201315338U CN201414815Y (en) | 2009-05-08 | 2009-05-08 | Micro-guide wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201315338U CN201414815Y (en) | 2009-05-08 | 2009-05-08 | Micro-guide wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201414815Y true CN201414815Y (en) | 2010-03-03 |
Family
ID=41791225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201315338U Expired - Lifetime CN201414815Y (en) | 2009-05-08 | 2009-05-08 | Micro-guide wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201414815Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354753A (en) * | 2011-03-30 | 2013-10-16 | 日本来富恩株式会社 | Guide wire for medical use |
| CN104939908A (en) * | 2015-06-08 | 2015-09-30 | 温州医科大学附属第一医院 | Guiding assembly for ureteroscope operation |
| CN105288820A (en) * | 2015-12-09 | 2016-02-03 | 仇汉诚 | Medical facility and micro guide wire thereof |
-
2009
- 2009-05-08 CN CN2009201315338U patent/CN201414815Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354753A (en) * | 2011-03-30 | 2013-10-16 | 日本来富恩株式会社 | Guide wire for medical use |
| CN103354753B (en) * | 2011-03-30 | 2015-07-08 | 日本来富恩株式会社 | Guide wire for medical use |
| CN104939908A (en) * | 2015-06-08 | 2015-09-30 | 温州医科大学附属第一医院 | Guiding assembly for ureteroscope operation |
| CN105288820A (en) * | 2015-12-09 | 2016-02-03 | 仇汉诚 | Medical facility and micro guide wire thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YIXINDA MEDICAL NEW TECHNOLOGY CO., LTD., SHENZHEN Free format text: FORMER OWNER: SHENZHEN CITY DIHAI TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20101025 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518172 ROOM 508, ZONE 2, OVERSEAS STUDENTS VENTURE PARK, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518116 NO.4, BAOLONG ROAD 6, BAOLONG INDUSTRIAL CITY, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101025 Address after: Baolong Baolong Industrial City six road in Longgang District of Shenzhen City, Guangdong Province, No. 4 518116 Patentee after: SCW Medicath Ltd. Address before: 518172 room two, 508 garden, overseas student Pioneer Park, Longgang District, Shenzhen, Guangdong Patentee before: Shenzhen City Dihai Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |