JP5201494B1 - Case with protective cover for surgical scalpel - Google Patents

Abstract

PROBLEM TO BE SOLVED: There is no surgical scalpel in which the most widely used blade body can be attached to and detached from the handle body, and the blade body is not equipped with a protective cover. It is very dangerous because a cut may be incurred and the disease may be transmitted through the wound.
[MEANS FOR SOLVING PROBLEMS] A disposable knife with a protective cover can be attached to a conventional knife capable of attaching / detaching a blade body to a handle body so that the knife can be delivered safely.
[Selection] Figure 9

Description

  The present invention relates to a surgical knife capable of attaching / detaching the blade body to / from the handle body to provide a protective cover to the knife blade body to prevent the surgeon and its assistant from receiving cuts when the knife is delivered. The present invention relates to a surgical scalpel provided.

  Conventionally, the most popular scalpels are ones in which the blade body can be attached to and detached from the tip of the stainless steel handle body, and the blade body and handle body are integrally fixed. Many scalpels do not have a protective cover on the blade body, and in particular, no scalpel whose blade body can be attached to and detached from the handle body has a blade body protective cover.

Regarding the knife with the protective cover of the knife blade, those described in Patent Documents 1 and 2 are known.

  In Patent Document 1, a knife blade body and a handle main body are integrated, a case is provided so as to enclose the fixing member, and the blade body is exposed by moving the internal knife back and forth with respect to the case. It is to be coated.

  Patent document 2 is a knife in which the blade body and the handle body are integrated, and the protective cover can be moved from the front of the handle body to the blade body, and the blade body is moved by moving the protective cover to the blade body. Can be coated.

JP2005-40573 JP2007-228989A

  As mentioned above, there is no surgical scalpel with the most widely used blade body that can be attached to and removed from the handle body, and there is no blade with a protective cover. It is very dangerous that a cut may be incurred and the disease may be transmitted from the wound.

  Although it is conceivable to put a cap on the knife blade of the knife, since it is necessary to carry out with both hands when removing and attaching the cap, there is an inconvenience at the time of removing and attaching and a risk of cuts.

  In order to solve the above-mentioned problems, the invention of claim 1 inserts the handle body 1 that allows the female blade body 2 to be attached and detached, from the opening C provided in the rear portion of the handle case 3, and encloses the handle body 1. The blade 2 can be covered or exposed by moving the protective cover 13 provided on the handle case 3 back and forth, and when the knife is transferred, the blade 2 can be covered so that it can be safely transferred. In addition, after use, the blade body 2 is removed from the handle body, the handle body 1 is removed from the opening C, the protective cover 4 and the handle case 3 are discarded, and the taken handle body 1 is heat-sterilized and reused. We made it possible to handle the scalpel safely.

  According to the second aspect, when the blade body 2 is exposed, the protective cover 13 covers the front portion 4a of the lid 4 so that the lid 4 cannot be accidentally opened during use, and the blade body 2 of the handle body 1 The base 1c to which the blade is attached is exposed from the tips of the handle case 3 and the protective cover 13 so that the blade body 2 can be attached and detached more easily, and the size of the outer periphery of the rear portion of the protective cover 13 is in contact with the protective cover 13. The size of the outer periphery of the handle main body 3 of the contact surface C portion and the lid 4 in the closed state is made substantially the same so that there is no step at the contact surface C portion, and there is no sense of incongruity during use due to the presence of the protective cover 13. did.

  According to the present invention, the blade body without a protective cover can be used for a conventional surgical scalpel which can be attached and detached, so that the surgeon and its assistant can safely work without worrying about cuts when delivering the scalpel. Can be reused, so the cost of the scalpel involved in surgery can be reduced.

Perspective view of blade body and handle body Perspective view of the blade mounted on the handle body Perspective view of handle case Perspective view with handle case lid open Perspective view with handle case lid closed Perspective view of protective cover Perspective view before attaching the protective cover to the handle case Perspective view after attaching the protective cover to the handle case Perspective view of the handle body inserted into the handle case Partial sectional view of a handle case with a knife Side view with the blade exposed Side view with blade covered

  An embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 shows a surgical scalpel in which the blade body 2 that has been used most often can be attached to and detached from the handle body 1, and the blade body 2 is mounted on the handle body front portion 1a. The handle body 1 is made of stainless steel and is reused after being disinfected by heat.

  FIG. 2 is a view in which the blade body 2 is mounted on the handle body 1 and is used in this form when in use.

  FIG. 3 shows a handle case 3 for storing the handle body 1. The handle case 3 has a cover 4 joined at an opening B and an A portion for exposing the handle body front portion 1 a and a slide groove 5 at the top and bottom. , 9 and the back surface are omitted, but stoppers 6, positioning projections 7 and 8 are provided on both side surfaces, and a step surface C is further provided.

  As shown in FIG. 4, the lid 4 joined at the portion A can be opened and closed and closed in the direction of arrow E, and the hook hole 11 provided in the hook 10 of the lid 4 and the handle as shown in FIGS. The lid 4 is prevented from being opened by engaging with the protrusion 12 provided on the case 3.

  FIG. 6 is a detailed view of the protective cover 13, and slide protrusions 14 and 15 for restricting movement along the slide grooves 5 and 9 provided in the handle case 3 are arranged in the longitudinal direction above and below the protective cover 13. A relief window 16, a stopper window 17, and slits 18 and 19 are provided on both side surfaces.

  FIG. 7 is a diagram of attaching the protective cover 13 to the handle case 3. The slide protrusion 15 provided on the upper surface inside the protective cover 13 is aligned with the slide groove 5, and the slide protrusion 14 provided on the lower surface inside the protective cover 13. The protective cover 13 is attached to the handle case 3 so as to fit the slide groove 9.

  When the protective cover 13 is attached to the handle case, it comes into contact with the stopper 6, the positioning projections 7 and 8 provided on the handle case 3, but since the slit 18 and 19 are provided in the protective cover 13, the contact portion is elastically bent and the stopper. 6, can be mounted over the positioning protrusions 7,8.

  The operation of the stopper 6 and the positioning projections 7 and 8 will be described. As shown in FIG. 4, the front surface of the stopper 6 and the positioning projections 7 and 8 are substantially arc-shaped, and the slits 18 and 19 provided in the protective cover 13 are formed. It is designed so that it can be easily overcome and mounted by elastic bending.

  Further, since the rear surface 6a of the stopper 6 is perpendicular to the side surface 3a of the handle case 3, the rear end portion 16b of the escape window 16 shown in FIG. Is designed not to fall out of the handle case 3.

  FIG. 8 shows that the protective cover 13 is attached to the handle case 3 and can be moved in the front-rear direction of the arrow.

  When the handle body 1 is inserted into the handle case 3, the lid 4 is opened as shown in FIG. 9, the handle body 1 is inserted from the opening D of the handle case 3 in the direction of the arrow G, and the lid 4 is closed. The body 2 is attached to the handle body 1.

  When the handle body 1 is taken out, the blade body 2 is removed from the handle body 1, the lid 4 is opened, and the blade body 2, the handle case 3, and the protective cover 13 are pulled out from the opening D of the handle body 1 in the direction of arrow H. Discard and reuse the handle body 1 after heat disinfection.

  When the handle body 1 inserted in the above is inserted into the handle case 3, the front upper surface 1b of the handle body 1 shown in FIGS. 1 and 10 is applied to the stopper 3a provided in the front portion of the handle case 3 shown in FIG. It is designed not to come out forward.

  The state in use with the blade body 2 exposed will be described with reference to FIGS.

  When using the knife, the protective cover 13 is pushed and pulled in the direction of the arrow J and brought into contact with the stepped surface C provided on the handle case 3 to expose the blade body 2.

  At this time, the end portions 16a and 16b of the escape window 16 provided in the protective cover 13 are engaged by the stopper 6 and the positioning projection 8, and the protective cover 13 can be moved by the operation of the thumb and does not move when the knife is used. Fixed to.

  When the end of the protective cover 13 abuts on the stepped surface C, the vertical and horizontal dimensions of the outer periphery of the contact surface C and the vertical and horizontal dimensions of the outer periphery of the protective cover 13 are made substantially the same size. Eliminates the sense of discomfort during use by eliminating the step as shown in

  Although the display is omitted, the step is similarly eliminated on the side surface.

  Further, when the blade body 2 is exposed as shown in FIG. 11, the blade body 2 is attached and detached by exposing the root 1 c to which the blade body 2 of the handle main body 1 is attached from the tips of the handle case 3 and the protective cover 13. In addition, the lid 4 can be prevented from being accidentally opened by enclosing the front portion 4a of the lid 4 at the rear portion of the protective case 13 so that the operation can be performed more safely.

  When covering the blade body 2, as shown in FIG. 12, it is pushed out in the forward direction of the arrow K until the rear end portion 16 b of the window 16 comes into contact with the rear surface 6 a of the stopper 6, and the positioning projection 7 provided on the handle case 3. Is engaged with a stopper window 17 provided in the protective case 13, and the protective cover 13 is fixed to such an extent that it can be disengaged by operating the thumb.

DESCRIPTION OF SYMBOLS 1 ... Pattern main body 2 ... Blade body 3 ... Handle case 4 ... Cover 5 ... Slide groove 6 ... Stopper 7 ... Positioning protrusion 8 ... Positioning protrusion 9 ... Slide groove 10 ... Hook 11 ... Hook hole 12 ... Protrusion 13 ... Protective cover 14 ... Slide protrusion 15 ... Slide protrusion 16 ... Release window 17 ... Stopper window 18. ..Slit 19 ... Slit

Claims (2)

  A surgical scalpel with a blade that can be attached to and detached from the handle body, with a handle case that encloses the handle body and a protective cover that can be moved back and forth at the front of the handle case, and a female handle body at the rear of the handle case An opening for inserting the handle from the back of the handle case is provided, and a lid connected to the handle case is provided in the opening so as to be openable and closable. When the handle body is inserted, the cover is opened and the handle body is opened from the opening. A case with a protective cover for a scalpel for surgery, wherein the cover is closed and the handle main body is taken out, and the lid is opened so that the handle main body can be taken out from the opening.   When the protective cover attached to the handle case is exposed to the blade body, the protective cover covers a part of the lid and the root of the part to which the blade body of the handle body is attached is the tip of the handle case and the protective cover. 2. The outer periphery of the rear portion of the protective cover is made substantially the same as the outer periphery of the handle main body and the lid of the closed state in contact with the protective cover. Case with protective cover for surgical knife.

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