JPH01165044U - - Google Patents
Info
- Publication number
- JPH01165044U JPH01165044U JP6058788U JP6058788U JPH01165044U JP H01165044 U JPH01165044 U JP H01165044U JP 6058788 U JP6058788 U JP 6058788U JP 6058788 U JP6058788 U JP 6058788U JP H01165044 U JPH01165044 U JP H01165044U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- shape
- memory alloy
- injection needle
- pointed end
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 2
- 230000036760 body temperature Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
第１図は本考案の一実施例の未使用状態を示す
部分拡大図、第２図は同じく使用時における形状
復帰状態を示す部分拡大図、第３図は他の実施例
の未使用状態を示す部分拡大図、第４図は形状復
帰状態を示す部分拡大図である。
１……形状記憶合金製注射針、２……尖端部、
２′……変形部分、３……薬液射出孔、３′……
開口部。
Fig. 1 is a partially enlarged view showing one embodiment of the present invention in an unused state, Fig. 2 is a partially enlarged view showing a state in which the shape has been restored during use, and Fig. 3 is a partially enlarged view showing another embodiment in an unused state. FIG. 4 is a partially enlarged view showing the state of return to shape. 1... Shape memory alloy injection needle, 2... Tip part,
2'... Deformed part, 3... Chemical injection hole, 3'...
Aperture.
Claims (1)
の体温よりも若干低い温度に設定された一方向性
の形状記憶合金で製し、前記変態温度よりも高温
側における記憶形状が、前記尖端部を非鋭利な形
状にしたものであることを特徴とする形状記憶合
金を用いた注射針。 At least the pointed end of the injection needle is made of a unidirectional shape memory alloy whose transformation temperature is set to a temperature slightly lower than human body temperature, and the memorized shape at a temperature higher than the transformation temperature is such that the pointed end An injection needle using a shape memory alloy, characterized in that it has a non-sharp shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6058788U JPH0325792Y2 (en) | 1988-05-10 | 1988-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6058788U JPH0325792Y2 (en) | 1988-05-10 | 1988-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01165044U true JPH01165044U (en) | 1989-11-17 |
| JPH0325792Y2 JPH0325792Y2 (en) | 1991-06-04 |
Family
ID=31286294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6058788U Expired JPH0325792Y2 (en) | 1988-05-10 | 1988-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325792Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003205036A (en) * | 2002-01-11 | 2003-07-22 | Univ Nihon | Intubation liquid medicine and extra fine flexible injection needle for cellular injection |
-
1988
- 1988-05-10 JP JP6058788U patent/JPH0325792Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003205036A (en) * | 2002-01-11 | 2003-07-22 | Univ Nihon | Intubation liquid medicine and extra fine flexible injection needle for cellular injection |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325792Y2 (en) | 1991-06-04 |