JP5083948B2 - 硬膜外麻酔用穿刺針 - Google Patents
硬膜外麻酔用穿刺針 Download PDFInfo
- Publication number
- JP5083948B2 JP5083948B2 JP2007162615A JP2007162615A JP5083948B2 JP 5083948 B2 JP5083948 B2 JP 5083948B2 JP 2007162615 A JP2007162615 A JP 2007162615A JP 2007162615 A JP2007162615 A JP 2007162615A JP 5083948 B2 JP5083948 B2 JP 5083948B2
- Authority
- JP
- Japan
- Prior art keywords
- puncture needle
- inclined surface
- needle
- tip
- epidural
- 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.)
- Active
Links
- 238000002692 epidural anesthesia Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 2
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
図1は実施例の穿刺針1の側面図、図2は同じく平面図である。穿刺針1は、内径1.2mm、外径1.42mm、肉厚0.11mmの筒状本体2を有し、その先端部2aは上向きに屈曲し、先端面3は上向きの傾斜面となっている。先端面3は、上部(基端側)が第1傾斜面4、下部(先端側)が第2傾斜面5となっており、第1傾斜面4の傾き(軸芯との角度)αは9°、第2傾斜面5の傾きβは25°である。また、先端面3の軸芯方向の長さl1は2.81mm、第2傾斜面5の軸芯方向の長さl2は0.67mmで、l1/l2は約0.24である。なお、l1/l2は0.2〜0.35が適当である。針先端の角度γが従来のものよりも大きいので、先端が曲がりにくい。
比較例として、図3に示す従来形状で、内径、外径及び肉厚が前記実施例と同じで、先端面13の角度αが15°の穿刺針を用意した。
先ず、5Nの力で穿刺したところ、実施例、比較例共に先端部の曲がりはなく、直進性も良好であった。
次に30Nの力で穿刺したところ、実施例の先端部は全く曲がらなかった。しかし、比較例は、図4に示すように、先端部が上向きに大きく曲がった。この曲がりは、カテーテルの挿入に支障をきたす程のものである。
この結果、実施例の穿刺針は曲がりにくくてウォーク・イン・タップ法による穿刺に十分耐え、また直進性も良好であることが確認された。
2 本体
3 先端面
4 第1傾斜面
5 第2傾斜面
11 硬膜外麻酔用穿刺針
12 本体
13 先端面
Claims (2)
- 先端部が上向きに屈曲し、先端面が上向きの傾斜面となっている硬膜外麻酔用穿刺針において、前記先端面の上部が第1傾斜面、下部が第2傾斜面となっており、該第2傾斜面は全体が同一平面で、その傾きが、前記第1傾斜面の傾きよりも大きいことを特徴とする硬膜外麻酔用穿刺針。
- 前記第1傾斜面の傾きが6〜12°、前記第2傾斜面の傾きが20〜30°である請求項1に記載の硬膜外麻酔用穿刺針。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007162615A JP5083948B2 (ja) | 2007-06-20 | 2007-06-20 | 硬膜外麻酔用穿刺針 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007162615A JP5083948B2 (ja) | 2007-06-20 | 2007-06-20 | 硬膜外麻酔用穿刺針 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009000206A JP2009000206A (ja) | 2009-01-08 |
JP5083948B2 true JP5083948B2 (ja) | 2012-11-28 |
Family
ID=40317275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007162615A Active JP5083948B2 (ja) | 2007-06-20 | 2007-06-20 | 硬膜外麻酔用穿刺針 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5083948B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5871470A (en) * | 1997-04-18 | 1999-02-16 | Becton Dickinson And Company | Combined spinal epidural needle set |
JP3492543B2 (ja) * | 1999-03-15 | 2004-02-03 | 金子工業有限会社 | 注射針とその製造方法 |
JP2000262627A (ja) * | 1999-03-17 | 2000-09-26 | Terumo Corp | 血管内挿入用医療器具 |
JP2002306596A (ja) * | 2001-04-18 | 2002-10-22 | Unisis:Kk | 麻酔用複合針 |
JP2005095571A (ja) * | 2003-08-28 | 2005-04-14 | Hanako Medical Kk | 改良された医療用注射針 |
JP4826711B2 (ja) * | 2005-03-31 | 2011-11-30 | ニプロ株式会社 | 注射針 |
-
2007
- 2007-06-20 JP JP2007162615A patent/JP5083948B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009000206A (ja) | 2009-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11896275B2 (en) | Dynamic bone anchor and method of manufacturing a dynamic bone anchor | |
AU2012201669B2 (en) | Microaccess kit comprising a tapered needle | |
EP1917916A3 (en) | Cannulated suture anchor | |
US8777902B2 (en) | Retractable cannula for surgical procedures | |
US20090112258A1 (en) | Needle Attachment For A Surgical Sewing Instrument | |
BRPI0609220A2 (pt) | corpo e ponta desconectÁvel nço traumÁtica para cateter ou capa protetora | |
JP2011507618A (ja) | カニューレ | |
US6663605B2 (en) | Removable protective cannula for use in surgery | |
CN107115142A (zh) | 骨锚固件 | |
CY1113955T1 (el) | Βελονα οσφυονωτιαιας παρακεντησεως συνδυαζομενη με οδηγο | |
PL2044911T3 (pl) | Elastyczna sonda chirurgiczna | |
CN104510507B (zh) | 柔性插管和插塞 | |
JP5083948B2 (ja) | 硬膜外麻酔用穿刺針 | |
US10966723B2 (en) | Curvilinear surgical staples | |
JP4383908B2 (ja) | 硬膜外針 | |
KR20200044075A (ko) | 용이한 스타트 캐뉼러형 뼈 스크류 | |
JP5098779B2 (ja) | 内視鏡用注射針 | |
WO2017094708A1 (ja) | 刺通針付きカニューレ | |
JP4598041B2 (ja) | 硬膜外麻酔用穿刺針 | |
AU2018375222B2 (en) | Slotted canulla for arthroscopic surgery | |
WO2013108482A1 (ja) | 涙道内挿管器具 | |
JP6504446B2 (ja) | 皮下トンネル用穿刺針 | |
JP2010220744A (ja) | 医療用拡張器 | |
JP5226969B2 (ja) | 硬脊麻針セット | |
JP2006198313A (ja) | トロッカー外筒管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100225 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20111228 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120119 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120315 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120831 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120831 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5083948 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150914 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |