JP6590647B2 - 医療用ナイフ - Google Patents
医療用ナイフ Download PDFInfo
- Publication number
- JP6590647B2 JP6590647B2 JP2015222039A JP2015222039A JP6590647B2 JP 6590647 B2 JP6590647 B2 JP 6590647B2 JP 2015222039 A JP2015222039 A JP 2015222039A JP 2015222039 A JP2015222039 A JP 2015222039A JP 6590647 B2 JP6590647 B2 JP 6590647B2
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- handle
- side walls
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- medical knife
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- 239000000470 constituent Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 210000000426 patellar ligament Anatomy 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000003466 welding Methods 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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00008—Vein tendon strippers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/008—Hand knives with one or more detachable blades for performing several incisions simultaneously; for cutting cubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0023—Surgical instruments, devices or methods, e.g. tourniquets disposable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Rheumatology (AREA)
- Surgical Instruments (AREA)
Description
さらには、前述したように、嵌合孔12の嵌合孔中央部13のスリット幅を、嵌合孔前部14のスリット幅よりも大きく形成したのは、その嵌合孔中央部13と嵌合孔前部14とに嵌合突部21を嵌合させるためである。また、嵌合突部21の前側部分22の上面26から、後ろ側部分23の上面27にかけて嵌合溝28,29が連設されている。さらに、図示しないが、嵌合突部21の下面にも同様に嵌合溝が連設されている。なお、刃24とその挿通孔25の形状が、図9に示された形状をなしている理由は、この刃24が本実施例のために形成されたのではなく、従来から外科用メスの刃として一般的に使用されている刃を、そのまま使用できるようにしたからである。したがって、本実施例では、従来から一般的に使用されている外科用メスの刃をそのまま使用することができる。なお、本発明専用の刃を成形し、この刃24の挿通孔25の形状と、これに挿通される間隔保持部材20の嵌合突部21,21の形状を、一般的に使用されている外科用メスの刃と異なるものにしてもよいことは勿論である。
Claims (7)
- 一対の柄構成部が連結部により連結されている柄と、柄の前端から、互いに所定の間隔を開けて平行に突出する一対の刃とを含む医療用ナイフにおいて、柄の少なくとも前側部分の両側に一対の側壁が設けられ、それらの側壁は異なる柄構成部に別々に形成され、且つそれらの側壁の内側に、前記一対の刃がそれぞれ別個に装着されており、医療用ナイフとして組み立てられる前の柄は、前記連結部よりも前側の両柄構成部が連結部を中心に互いに拡開及び又は縮閉可能となるように、且つ前記両側壁間の間隔が遠近変更自在となるように構成されており、
双方の側壁同士の間隔を一定に保持するための間隔保持部材が、双方の側壁間に取り付けられ、一対の刃は、間隔保持部材と側壁との間にそれぞれ別個に挟着されており、刃に挿通孔が形成され、側壁に嵌合孔が形成され、間隔保持部材の両側面にそれぞれ嵌合突部が設けられ、嵌合突部が刃の挿通孔に挿通され、さらに側壁の嵌合孔に嵌合して、間隔保持部材と刃が側壁の間に装着されていることを特徴とする医療用ナイフ。 - 一対の柄構成部が連結部により連結されている柄と、柄の前端から、互いに所定の間隔を開けて平行に突出する一対の刃とを含む医療用ナイフにおいて、柄の少なくとも前側部分の両側に一対の側壁が設けられ、それらの側壁は異なる柄構成部に別々に形成され、且つそれらの側壁の内側に、前記一対の刃がそれぞれ別個に装着されており、医療用ナイフとして組み立てられる前の柄は、前記連結部よりも前側の両柄構成部が連結部を中心に互いに拡開及び又は縮閉可能となるように、且つ前記両側壁間の間隔が遠近変更自在となるように構成されており、
柄は、その前側部分に、使用時に指先を置くことができる上壁と下壁を有し、上壁は一方の柄構成部に形成され、下壁は他方の柄構成部に形成されていることを特徴とする医療用ナイフ。 - 双方の側壁同士の間隔を一定に保持するための間隔保持部材が、双方の側壁間に取り付けられている請求項2記載の医療用ナイフ。
- 一対の刃は、間隔保持部材と側壁との間にそれぞれ別個に挟着されている請求項3記載の医療用ナイフ。
- 医療用ナイフとして組み立てられる前の柄が、連結部よりも前側の柄構成部が連結部を中心に互いに拡開及び又は縮閉可能で、且つ前記両側壁間の間隔が遠近変更自在である構成として、一対の柄構成部の少なくとも一方の柄構成部が、可撓性を有する材料で形成されている請求項1乃至請求項4のいずれか一項記載の医療用ナイフ。
- 医療用ナイフとして組み立てられる前の柄が、連結部よりも前側の柄構成部が連結部を中心に互いに拡開及び又は縮閉可能で、且つ前記両側壁間の間隔が遠近変更自在である構成として、連結部が薄肉ヒンジで形成されている請求項1乃至請求項4のいずれか一項記載の医療用ナイフ。
- 医療用ナイフとして組み立てられる前の柄が、連結部よりも前側の柄構成部が連結部を中心に互いに拡開及び又は縮閉可能で、且つ前記両側壁間の間隔が遠近変更自在である構成として、一対の柄構成部と、それを連結する連結部は、可撓性を有する同一材料で一体に形成されている請求項1乃至請求項4のいずれか一項記載の医療用ナイフ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015222039A JP6590647B2 (ja) | 2015-11-12 | 2015-11-12 | 医療用ナイフ |
US15/349,672 US10179005B2 (en) | 2015-11-12 | 2016-11-11 | Medical knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015222039A JP6590647B2 (ja) | 2015-11-12 | 2015-11-12 | 医療用ナイフ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017086590A JP2017086590A (ja) | 2017-05-25 |
JP6590647B2 true JP6590647B2 (ja) | 2019-10-16 |
Family
ID=58690460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015222039A Active JP6590647B2 (ja) | 2015-11-12 | 2015-11-12 | 医療用ナイフ |
Country Status (2)
Country | Link |
---|---|
US (1) | US10179005B2 (ja) |
JP (1) | JP6590647B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014102764A1 (en) | 2012-12-31 | 2014-07-03 | Scalpal Llc | Finger-held instrument adapted for supporting or shielding a user's finger |
WO2016149481A2 (en) * | 2015-03-17 | 2016-09-22 | Hutchison Joseph L | Disposable surgical swing scalpel with reusable scissor action handle |
JP6590647B2 (ja) * | 2015-11-12 | 2019-10-16 | 株式会社貝印刃物開発センター | 医療用ナイフ |
US20200390463A1 (en) * | 2019-06-14 | 2020-12-17 | Quadvantage Technology, Inc. | Dual-blade tendon cutting apparatus and cartridge for multiple apparatuses |
US11376022B2 (en) | 2019-07-18 | 2022-07-05 | Quadvantage Technology, Inc. | Patella cutting guide |
US11670408B2 (en) | 2019-09-30 | 2023-06-06 | Nuance Communications, Inc. | System and method for review of automated clinical documentation |
US20220409192A1 (en) * | 2019-10-17 | 2022-12-29 | Smith & Nephew, Inc. | Tendon haarvesting assemblies and methods |
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2015
- 2015-11-12 JP JP2015222039A patent/JP6590647B2/ja active Active
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JP2017086590A (ja) | 2017-05-25 |
US20170135716A1 (en) | 2017-05-18 |
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