JPH07284498A - Surgical knife - Google Patents
Surgical knifeInfo
- Publication number
- JPH07284498A JPH07284498A JP6080610A JP8061094A JPH07284498A JP H07284498 A JPH07284498 A JP H07284498A JP 6080610 A JP6080610 A JP 6080610A JP 8061094 A JP8061094 A JP 8061094A JP H07284498 A JPH07284498 A JP H07284498A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- incised
- rake
- handle
- scooping
- 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
- 210000000056 organ Anatomy 0.000 abstract description 2
- 210000000576 arachnoid Anatomy 0.000 description 20
- 239000012528 membrane Substances 0.000 description 14
- 210000004556 brain Anatomy 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 241001269524 Dura Species 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、外科手術で用いる外科
用メスに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scalpel used in surgery.
【０００２】[0002]
【従来の技術】従来、外科手術の中でも、例えば、脳神
経外科手術において、クモ膜を切開する際、図１０に示
すように行っている。すなわち、クモ膜９１をピンセッ
ト９０にて摘み上げ、クモ膜９１から同クモ膜９１下の
脳及び血管とを引き離す。次に、メス９２の刃体９２ａ
を矢印Ａ方向に若干移動し、脳及び血管が引き離された
部分のクモ膜９１下面へ差し込む。次に、同メス９２を
上方向へ移動することによりメス９２の刃体９２ａをク
モ膜９１に当て同膜９１を切開する。次に、同メス９２
を下方へ移動し、更に、矢印Ａ方向に移動し、続いて、
上方向へ移動することによりクモ膜９１を切開する。そ
して、更に、切開する際には新たにピンセット９０にて
次の切開するべき方向に位置するクモ膜９１を摘み上
げ、前記メス９２の前進及び上下移動を繰り返すことに
よりクモ膜９１を切開している。2. Description of the Related Art Conventionally, in surgical operation, for example, in neurosurgery, the arachnoid membrane is incised as shown in FIG. That is, the arachnoid membrane 91 is picked up with the tweezers 90, and the brain and blood vessels under the arachnoid membrane 91 are separated from the arachnoid membrane 91. Next, the blade body 92a of the knife 92
Is slightly moved in the direction of arrow A, and is inserted into the lower surface of the arachnoid membrane 91 in the portion where the brain and blood vessels are separated. Next, by moving the knife 92 upward, the blade body 92a of the knife 92 is applied to the arachnoid membrane 91 to cut out the knife 91. Next, the same female 92
, Downward, and further in the direction of arrow A, and then
The arachnoid membrane 91 is incised by moving upward. Further, when making an incision, the arachnoid membrane 91 located in the direction to be incised next is picked up by the forceps 90, and the arachnoid membrane 91 is incised by repeating the forward movement and the vertical movement of the knife 92. There is.
【０００３】[0003]
【発明が解決しようとする課題】ところが、従来のメス
を用いた方法では、作業が非能率であるという問題点が
ある。すなわち、ピンセット９０にてクモ膜９１を摘み
上げ、同膜９１から同膜９１下の脳及び血管とを引き離
し、メス９２の前進及び上下移動によりクモ膜９１を切
開することは、余分な動作が多く作業が遅い。また、メ
ス９２だけでなくピンセット９０を使用する作業も必要
となるという問題点がある。However, the conventional method using a scalpel has a problem that the work is inefficient. In other words, picking up the arachnoid membrane 91 with tweezers 90, separating the brain and blood vessels under the arachnoid membrane 91 from the arachnoid membrane 91, and incising the arachnoid membrane 91 by advancing and vertically moving the scalpel 92 is an extra operation. A lot of work is slow. Further, there is a problem in that not only the knife 92 but also the tweezers 90 must be used.
【０００４】そこで、本発明の目的は切開対象外の器官
を傷つけることなく切開対象物だけを能率よく切開する
ことが可能な外科用メスを提供することにある。Therefore, an object of the present invention is to provide a surgical scalpel capable of efficiently incising only an incision target without damaging an organ other than the incision target.
【０００５】[0005]
【課題を解決するための手段】上記問題点を解決するた
めに請求項１では柄の先端側に刃体を備えた外科用メス
において、先端部にすくい部が突出形成され、そのすく
い部は無刃部とされており、すくい部の後側に前記刃体
が形成されていることを要旨とする。In order to solve the above-mentioned problems, according to a first aspect of the present invention, in a surgical knife having a blade on the tip side of a handle, a rake portion is formed so as to project from the tip portion, and the rake portion is The gist is that the blade body is a non-blade portion, and the blade body is formed on the rear side of the scoop portion.
【０００６】請求項２ではすくい部は湾曲形成され、刃
体はその湾曲形成されたすくい部に対して対向して形成
され、その対向面に刃部が形成されていることを要旨と
する。According to a second aspect of the present invention, the rake portion is formed in a curved shape, the blade body is formed to face the curved rake portion, and the blade portion is formed on the facing surface.
【０００７】[0007]
【作用】このように構成された請求項１ではすくい部に
て被切開体をすくい上げ、刃体により同被切開物を切開
する。According to the first aspect of the present invention configured as described above, the body to be incised is scooped up by the rake portion, and the body to be incised is incised by the blade.
【０００８】請求項２ではすくい部にて被切開体をすく
い上げ、刃部により同被切開物を切断する。In the second aspect of the present invention, the body to be incised is scooped up by the rake portion, and the object to be incised is cut by the blade portion.
【０００９】[0009]
【実施例】以下、本発明を脳外科手術用のメスに具体化
した第一実施例を図１、図２に従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is embodied in a scalpel for brain surgery will be described below with reference to FIGS.
【００１０】外科用メス１は柄２の先端部にすくい部４
が湾曲形成され、同すくい部４全体は刃が形成されてい
ない無刃部とされている。同すくい部４は先端部上面に
設けられたすくい面４ａと、同すくい部４の先端面に設
けられた略矩形状の接触面４ｂとから構成されている。
すくい部４の後側において柄２の先端部寄りに刃体５が
前記すくい部４に対して対向して突出形成され、同対向
面に曲線状の刃部５ａが形成されている。また、接触面
４ｂは刃体５の上端より若干下方に配置されている。The surgical knife 1 has a scoop portion 4 at the tip of the handle 2.
Is formed in a curved shape, and the entire rake portion 4 is a bladeless portion in which no blade is formed. The rake portion 4 is composed of a rake surface 4a provided on the upper surface of the tip portion and a substantially rectangular contact surface 4b provided on the tip surface of the rake portion 4.
On the rear side of the rake portion 4, a blade body 5 is formed to project toward the tip of the handle 2 so as to face the rake portion 4, and a curved blade portion 5a is formed on the facing surface. The contact surface 4b is arranged slightly below the upper end of the blade body 5.
【００１１】上記のように構成された本実施例の外科用
メス１の作用とその効果について説明する。上記メス１
を用いてクモ膜Ｋを切開する際、クモ膜Ｋの一部を予め
切っておき、同部分にメス１を図３に示すようにすくい
部４を差し込む。続いて、メス１のすくい面４ａ上にク
モ膜Ｋを載せるようにしてメス１を前進させると、クモ
膜Ｋと同クモ膜Ｋ裏面に密着している脳及び血管が接触
面４ｂ及びすくい面４ａにて引き離され、脳及び血管か
ら引き離されたクモ膜Ｋは刃部５ａにより切開される。The operation and effect of the surgical knife 1 of the present embodiment having the above-mentioned structure will be described. Above female 1
When the arachnoid K is incised by using, a part of the arachnoid K is cut in advance, and the scalpel 1 is inserted into the scalpel 1 as shown in FIG. Subsequently, when the scalpel 1 is advanced so that the arachnoid K is placed on the rake face 4a of the scalpel 1, the brain and blood vessels that are in close contact with the arachnoid K and the back face of the arachnoid K contact the contact face 4b and the rake face. The arachnoid K separated by 4a and separated from the brain and blood vessels is incised by the blade 5a.
【００１２】従って、従来とは異なり、メスの上下及び
前進移動の繰り返しの必要はなく、進行方向に向かって
本実施例のメス１を前進することにより、脳及び血管を
傷つけることなく容易にクモ膜Ｋだけを切開することが
できる。また、従来とは異なりピンセットを用いる必要
がない。Therefore, unlike the prior art, it is not necessary to repeat the vertical movement and forward movement of the knife, and by advancing the knife 1 of this embodiment in the direction of advance, the spider can be easily spoiled without damaging the brain and blood vessels. Only the membrane K can be dissected. Further, unlike the conventional case, it is not necessary to use tweezers.
【００１３】なお、この発明は前記実施例に限定される
ものではない。たとえば、次のようにしてもよい。 （１）本実施例ではすくい部４の先端面に矩形状の接触
面４ｂを設けたが、その他、例えば、図４、図５に示す
ようにすくい部４の先端面に半球面１０を形成してもよ
い。 （２）本実施例では柄２の先端にすくい部４及び刃体５
を設けたが、図４、図５に示すように軸６にすくい部４
及び刃体５を設けるとともに同軸６の基端には連結部と
しての雌ネジ３を、また、柄７の先端に連結部としての
雄ネジ７ａを螺刻し、両ネジ３、７ａを介して軸６を柄
７に対して着脱可能としてもよい。 （３）本実施例では刃体５を柄２に取り付けたが、その
他、例えば、図６に示すように軸６の先端部のみを略半
分の厚さにして、刃体５を同柄７に取り付けてもよい。 （４）本実施例では刃部５ａを曲線状に形成したが、そ
の他、図７に示すように直刃１１にしてもよい。 （５）本実施例では柄２の先端にすくい部４を突出形成
したが、その他、図８に示すように柄２の先端に斜状に
直刃１２を取り付け、更に、同柄２の先端寄りを湾曲形
状に延出させその先端にすくい部４を設けてもよい。 （６）また、図９に示すように、前記（５）の例におい
て直刃１２の代わりに曲線状の刃部５ａを取り付けても
よい。 （７）また、本発明のメスはクモ膜切開に限定されるも
のではなく、その他、例えば、軟膜、硬膜等の膜切開に
用いてもよい。The present invention is not limited to the above embodiment. For example, the following may be performed. (1) In this embodiment, the contact surface 4b having a rectangular shape is provided on the tip surface of the rake portion 4. However, in addition, for example, a hemispherical surface 10 is formed on the tip surface of the rake portion 4 as shown in FIGS. You may. (2) In this embodiment, the rake portion 4 and the blade 5 are provided at the tip of the handle 2.
The rake portion 4 is provided on the shaft 6 as shown in FIGS. 4 and 5.
A blade 5 is provided, and a female screw 3 as a connecting portion is provided at the proximal end of the coaxial shaft 6, and a male screw 7a as a connecting portion is provided at the tip of the handle 7, and both screws 3 and 7a are used. The shaft 6 may be detachable from the handle 7. (3) In the present embodiment, the blade body 5 is attached to the handle 2. However, in addition, for example, as shown in FIG. 6, only the tip portion of the shaft 6 has a thickness of approximately half, and the blade body 5 has the same handle 7. May be attached to. (4) In the present embodiment, the blade portion 5a is formed in a curved shape, but in addition, a straight blade 11 may be used as shown in FIG. (5) In the present embodiment, the rake portion 4 is formed so as to project from the tip of the handle 2, but in addition, as shown in FIG. 8, a straight blade 12 is attached to the tip of the handle 2 in an oblique shape, and the tip of the handle 2 is further formed. The sloping portion 4 may be provided at the tip end of the curved portion extending in a curved shape. (6) Further, as shown in FIG. 9, a curved blade portion 5a may be attached instead of the straight blade 12 in the example of (5). (7) Further, the scalpel of the present invention is not limited to the arachnoid incision, but may be used for other incisions such as buffy coat and dura.
【００１４】なお、特許請求の外に、前述した実施例で
把握される技術的思想をその効果とともに記載する。 （イ）刃部は直刃又は曲線刃である請求項２に記載の外
科用メス。In addition to the claims, the technical idea grasped in the above-mentioned embodiment will be described together with its effects. (A) The surgical knife according to claim 2, wherein the blade portion is a straight blade or a curved blade.
【００１５】このような構成とすることにより、いろい
ろな切開対象に対応することができる。 （ロ）軸の先端部にすくい部が突出形成され、そのすく
い部は無刃部とされ、すくい部の後側において軸上には
刃体が形成され、軸の基端部は柄に対して着脱可能な連
結部が形成されている外科用メスの刃体構造体。With such a structure, various incision targets can be dealt with. (B) A rake portion is formed to project at the tip of the shaft, the rake portion is a blade-free portion, a blade body is formed on the shaft at the rear side of the rake portion, and the base end of the shaft is against the handle. A blade structure for a surgical scalpel in which a detachable connecting portion is formed.
【００１６】このような構成とすることにより、刃体構
造体は連結部を介して柄に対して着脱可能にすることが
できる。With this structure, the blade structure can be attached to and detached from the handle through the connecting portion.
【００１７】[0017]
【発明の効果】以上詳述したように、請求項１の発明に
よればすくい部にて被切開物をすくうので被切開物だけ
を確実に切ることができる。また、すくい部は無刃部な
ので被切開体を不必要に切開することはない。As described in detail above, according to the first aspect of the present invention, since the object to be incised is scooped by the rake portion, only the object to be incised can be surely cut. Further, since the rake portion is a bladeless portion, the body to be incised is not unnecessarily incised.
【００１８】請求項２の発明によればすくい部にて被切
開物をすくうので被切開物だけを確実に切ることができ
る。According to the second aspect of the present invention, since the object to be incised is scooped by the rake portion, only the object to be incised can be surely cut.
【図１】本発明を具体化した第一実施例の側面図であ
る。FIG. 1 is a side view of a first embodiment embodying the present invention.
【図２】同じく、正面図である。FIG. 2 is likewise a front view.
【図３】同じく、作用説明のための概略図である。FIG. 3 is also a schematic diagram for explaining the operation.
【図４】本発明を具体化した第二実施例の側面図であ
る。FIG. 4 is a side view of a second embodiment embodying the present invention.
【図５】同じく、正面図である。FIG. 5 is likewise a front view.
【図６】本発明を具体化した第三実施例の側面図であ
る。FIG. 6 is a side view of a third embodiment embodying the present invention.
【図７】本発明を具体化した第四実施例の側面図であ
る。FIG. 7 is a side view of a fourth embodiment embodying the present invention.
【図８】本発明を具体化した第五実施例の側面図であ
る。FIG. 8 is a side view of a fifth embodiment embodying the present invention.
【図９】本発明を具体化した第六実施例の側面図であ
る。FIG. 9 is a side view of a sixth embodiment of the present invention.
【図１０】従来例の概略図である。FIG. 10 is a schematic view of a conventional example.
２…柄、４…すくい部、４ａ…すくい面、５…刃体、５
ａ…刃部、６…軸。2 ... Handle, 4 ... Rake part, 4a ... Rake surface, 5 ... Blade body, 5
a ... blade, 6 ... axis.
Claims (2)
外科用メスにおいて、 先端部にすくい部（４）が突出形成され、そのすくい部
（４）は無刃部とされており、すくい部（４）の後側に
前記刃体（５）が形成されている外科用メス。1. A scalpel having a blade (5) on the tip side of a handle (2), wherein a rake portion (4) is formed so as to project from the tip, and the rake portion (4) is a blade-free portion. A scalpel having the blade body (5) formed on the rear side of the rake portion (4).
（５）はその湾曲形成されたすくい部（４）に対して対
向して形成され、その対向面に刃部（５ａ）が形成され
ている請求項１に記載の外科用メス。2. The rake portion (4) is curved, the blade body (5) is formed so as to face the curved rake portion (4), and the blade portion (5a) is formed on the facing surface. The surgical scalpel according to claim 1, which is formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6080610A JP3026909B2 (en) | 1994-04-19 | 1994-04-19 | Surgical scalpel |
| DE19504397A DE19504397A1 (en) | 1994-04-19 | 1995-02-10 | Scalpel for surgical tissue incisions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6080610A JP3026909B2 (en) | 1994-04-19 | 1994-04-19 | Surgical scalpel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07284498A true JPH07284498A (en) | 1995-10-31 |
| JP3026909B2 JP3026909B2 (en) | 2000-03-27 |
Family
ID=13723105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6080610A Expired - Fee Related JP3026909B2 (en) | 1994-04-19 | 1994-04-19 | Surgical scalpel |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3026909B2 (en) |
| DE (1) | DE19504397A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0870472A1 (en) * | 1997-04-07 | 1998-10-14 | Anton Meyer & Co.AG | Diamond scalpel for opening the meninges |
| DE19803175A1 (en) * | 1998-01-28 | 1999-07-29 | Technomed Ges Fuer Med Und Med | Surgical knife with bladed tip |
| US9622773B2 (en) | 2012-03-19 | 2017-04-18 | Aspen Surgical Products, Inc. | Side activated safety scalpel for left and right hand users with blade removal system |
| CN103006345B (en) * | 2012-12-17 | 2015-07-29 | 中国人民解放军第四军医大学 | What a kind of sham operated damaged gets brain device |
| EP2915495B1 (en) | 2014-03-07 | 2016-10-05 | Aspen Surgical Products, Inc. | Scalpel handle sheath with blade remover |
| US20160095614A1 (en) | 2014-10-03 | 2016-04-07 | Aspen Surgical Products, Inc. | Sharps blade applicator and storage device |
| USD800905S1 (en) | 2015-03-06 | 2017-10-24 | Aspen Surgical Products, Inc. | Scalpel handle sheath |
| USD813390S1 (en) | 2016-01-15 | 2018-03-20 | Aspen Surgical Products, Inc. | Surgical scalpel blade attachment |
| US20170265882A1 (en) | 2016-03-21 | 2017-09-21 | Aspen Surgical Products, Inc. | Safety scalpel handle |
| CN113100881A (en) * | 2021-04-26 | 2021-07-13 | 江苏大学 | A kind of meninges cutting support for brain craniotomy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1397691A (en) * | 1921-04-30 | 1921-11-22 | Lefebvre Regis | Parting-knife |
| DE1148700B (en) * | 1955-03-07 | 1963-05-16 | Leo Horbach | scalpel |
| US3610246A (en) * | 1969-09-18 | 1971-10-05 | James H Salmon | Surgical knife blade |
| SU957884A1 (en) * | 1979-12-04 | 1982-09-15 | За витель. | Scalpel |
| SU969257A1 (en) * | 1981-04-30 | 1982-10-30 | Тбилисский Государственный Ордена Трудового Красного Знамени Медицинский Институт | Surgical instrument for dissection of soft tissue |
| SU1011120A1 (en) * | 1981-12-10 | 1983-04-15 | Sholomyantsev Terskij Oleg S | Microscalpel-fasciotom |
| US4712546A (en) * | 1982-03-11 | 1987-12-15 | Noe Joel M | Cutting instrument for nasal surgery which cuts parallel to its length |
| SU1187800A1 (en) * | 1984-01-05 | 1985-10-30 | Le Nii Khirurgicheskogo Tuberk | Scalpel |
| DE3624243A1 (en) * | 1986-07-18 | 1988-01-28 | Wolfram Hein | Scalpel blade |
| SU1424815A1 (en) * | 1986-12-22 | 1988-09-23 | Р. И. Квасной и Л. Л. Павлюк-Павлюченко | Female die for blanking die |
| GB2203341B (en) * | 1987-04-03 | 1991-04-17 | Robert Wallace Mcfarlane | Recessed ligament knife |
| SU1532004A1 (en) * | 1988-04-06 | 1989-12-30 | Казанский филиал Всесоюзного Курганского научного центра "Восстановительная травматология и ортопедия" | Limbotome |
| US5176695A (en) * | 1991-07-08 | 1993-01-05 | Davinci Medical, Inc. | Surgical cutting means |
-
1994
- 1994-04-19 JP JP6080610A patent/JP3026909B2/en not_active Expired - Fee Related
-
1995
- 1995-02-10 DE DE19504397A patent/DE19504397A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP3026909B2 (en) | 2000-03-27 |
| DE19504397A1 (en) | 1995-10-26 |
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