CN2542279Y - Medical internal support made of memory alloy - Google Patents
Medical internal support made of memory alloy Download PDFInfo
- Publication number
- CN2542279Y CN2542279Y CN 02205395 CN02205395U CN2542279Y CN 2542279 Y CN2542279 Y CN 2542279Y CN 02205395 CN02205395 CN 02205395 CN 02205395 U CN02205395 U CN 02205395U CN 2542279 Y CN2542279 Y CN 2542279Y
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- CN
- China
- Prior art keywords
- medical stent
- memorial alloy
- metal level
- memory alloy
- utility
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a memory alloy medical stent, which comprises a medical stent body. A sheet metal with high chemical stability and favorable corrosion resistance is coated on the medical stent body, which is a platinum, rhodium and gold layers. The utility model can prevent the Ni in the current memory alloy medical stent precipitating, and the developing position is exact under the X rays, which has safety and favorable use effect.
Description
Technical field
This utility model relates to a kind of memorial alloy medical stent.
Background technology
Existing medical stent adopts Ti-Ni memorial alloy material to make more, and its defective is: have a certain amount of Ni and separate out, human body is caused harmful effect; In addition because Ti-Ni memorial alloy material is insensitive to X-ray, alloy bracket is put into indeterminate, the especially tiny intravascular stent that develops behind the human body under X-ray, to placing and determining that its position all brings difficulty.
Summary of the invention
The purpose of this utility model provides that a kind of Ni of preventing separates out, and the memorial alloy medical stent of clear and definite position of developing under X-ray.
For achieving the above object, this utility model is taked following design: this memorial alloy medical stent, comprise the medical stent body, and on the medical stent body, be coated with chemical stability height, metal level that corrosion resistance is good.
Described metal level can be platinum, rhodium, gold layer.
The utility model has the advantages that: safety, result of use are good.
Description of drawings
Fig. 1 is this utility model structural representation
Fig. 2 is this utility model one example structure sketch map
Fig. 3 is another example structure sketch map of this utility model
Fig. 4 is the another example structure sketch map of this utility model
The specific embodiment
As shown in Figure 1, this utility model memorial alloy medical stent comprises medical stent body 1, it is characterized in that being coated with on the medical stent body chemical stability height, metal level 2 that corrosion resistance is good.
Described medical stent body 1 is meant the various medical stents of existing employing, as intravascular stent, and biliary stent (shown in Figure 4) etc.
Described metal level 2 can be platinum, rhodium, gold layer.
As shown in Figure 2, described metal level can be plated in the both end sides (adopting platinum, rhodium layer) of medical stent body more.
Also can be as shown in Figure 3: in the both end sides platinum plating or the rhodium layer 201 of medical stent body, interlude Gold plated Layer 202.
Described metal layer thickness is 0.2～2 μ m.
The utility model adopts as above design, mainly be utilize the high chemical stability of platinum, rhodium, gold and acid, Corrosion resistance good advantage still forms protective layer in the alkaline media outside alloy bracket, prevents from that Ni from separating out human body is caused Harmful effect; Other utilizes the metal level of platinum, rhodium, gold, under X-ray, can develop after making alloy bracket put into human body, To make things convenient for the clear and definite position of doctor.
Claims (7)
1, a kind of memorial alloy medical stent comprises the medical stent body, it is characterized in that: be coated with chemical stability height, metal level that corrosion resistance is good on the medical stent body.
2, memorial alloy medical stent according to claim 1 is characterized in that: described metal level is a platinum layer.
3, memorial alloy medical stent according to claim 1 is characterized in that: described metal level is the rhodium layer.
4, memorial alloy medical stent according to claim 1 is characterized in that: described metal level is the gold layer.
5, according to claim 2 or 3 described memorial alloy medical stents, it is characterized in that: described metal level is plated in the both end sides of medical stent body.
6, memorial alloy medical stent according to claim 5 is characterized in that: the interlude Gold plated Layer of described medical stent body.
7, memorial alloy medical stent according to claim 1 is characterized in that: described metal layer thickness is 0.2～2 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02205395 CN2542279Y (en) | 2002-03-21 | 2002-03-21 | Medical internal support made of memory alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02205395 CN2542279Y (en) | 2002-03-21 | 2002-03-21 | Medical internal support made of memory alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542279Y true CN2542279Y (en) | 2003-04-02 |
Family
ID=33687057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02205395 Expired - Lifetime CN2542279Y (en) | 2002-03-21 | 2002-03-21 | Medical internal support made of memory alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542279Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525696A (en) * | 2011-12-06 | 2012-07-04 | 常熟市碧溪新城特种机械厂 | Medical metal bracket |
| CN105030390A (en) * | 2005-04-05 | 2015-11-11 | 万能医药公司 | Degradable implantable medical devices |
-
2002
- 2002-03-21 CN CN 02205395 patent/CN2542279Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105030390A (en) * | 2005-04-05 | 2015-11-11 | 万能医药公司 | Degradable implantable medical devices |
| US10350093B2 (en) | 2005-04-05 | 2019-07-16 | Elixir Medical Corporation | Degradable implantable medical devices |
| CN102525696A (en) * | 2011-12-06 | 2012-07-04 | 常熟市碧溪新城特种机械厂 | Medical metal bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120321 Granted publication date: 20030402 |