WO2003099145A1 - The surgical scalpel having a movable guard and the scalpel blade guard - Google Patents

The surgical scalpel having a movable guard and the scalpel blade guard

Info

Publication number
WO2003099145A1
WO2003099145A1 PCT/CN2003/000381 CN0300381W WO03099145A1 WO 2003099145 A1 WO2003099145 A1 WO 2003099145A1 CN 0300381 W CN0300381 W CN 0300381W WO 03099145 A1 WO03099145 A1 WO 03099145A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
blade
sleeve
protective
handle
scalpel
Prior art date
Application number
PCT/CN2003/000381
Other languages
French (fr)
Chinese (zh)
Inventor
Yitian Qian
Yee Men Lo
Original Assignee
Yitian Qian
Yee Men Lo
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3209Incision instruments
    • A61B17/3211Surgical scalpels, knives; Accessories therefor
    • A61B17/3213Surgical scalpels, knives; Accessories therefor with detachable blades
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3209Incision instruments
    • A61B17/3211Surgical scalpels, knives; Accessories therefor
    • A61B2017/32113Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade

Abstract

The present invention relates to a surgical scalpel having a movable guard. The said scalpel includes a blade, a guard and a handle. The said blade can be securely attached to the head of the said handle. The said guard is covered outside the said handle. The longitudinal and transverse slots provided inside the said guard can be respectively engaged with the longitudinal and transverse ribs of the said handle, thereof the said guard can slide relative to the said handle between a guard position where the said guard prevents inadvertent access to the blade and an exposing position where the said guard exposes the blade to the required length for use.

Description

τ · Τ ·· surgery and scalpel blade protector having a movable guard ¾ Dagon

FIELD:

The present invention relates to surgical surgical instruments, and especially safe protection sleeve on scalpel.

Background technique:

Currently on the market and various types of scalpels and blades used in medical procedures, the vast majority do not have security protection devices, blade exposed, vulnerable to cuts operators and owners, especially scalpels, surgical applications both in when or transfer, or when unloading after collecting knives and blades, blade exposed can become a way of infection by blood-borne pathogens, so that the majority of health care and cleaning workers suffering such as HIV, hepatitis B, hepatitis C and other viral infections threat. Some advanced countries and manufacturers attach great importance to and is committed to eliminate this hazard caused by insecurity. Has developed a number of disposable plastic type of security and safety scalpel scalpel has a sleeve-type protection device into the market and use. The most typical is January 25, 2001 "A SURGICAL SCALPEL WITH RETRACTABLE GUARD (with a surgical scalpel of a retractable protective sleeve)" in PCT / Au World No. 00/00166 Patent Publication No. W0 01/05312 A1 name application, its core is still a protective sleeve may be wrapped surgical blade of a surgical knife handle and accommodates a chute protective sleeve. The protective sleeve having a front end opening side of the sleeve having a slotted blade package wherein it is further provided a snap-on connection structure of the flexible sleeve to secure or release the blade. The connecting structure is composed of projections or bumps means and buttons. When the surgical knife handle in the slot of the head portion extends into the protective sleeve from the side, can come into contact with the blade holes of the blade, the protrusions or bumps jacking means, the blade holder head with release from the protective sleeve portion fixedly connected, and the protective sleeve in the rearward movement of the chute on the surgical handle, the blade extending from the distal protective sleeve; adjust the protective sleeve in position within the chute can be adjusted to the length of the blades exposed. Operation is completed, with the protective sleeve is pushed forward away from the chute, which in turn is detached from the blade holder head, completely wrapped, after fixing in the sleeve, together away from the unloading operation handle. This invention can effectively protect human punching blade, cutting damage to the blade may be for protection, both for disposable scalpels, but also for the manufacture of metal, which may be repeated using a scalpel handle, is still a kinds of good ideas. Especially metal handle can be cleaned, disinfected repeated use, has a certain weight and feel good, by the surgeon's clear gaze. The invention may exert its protective effect on the surgical handle most models, but the handle 7 used in deep surgical cavities NA, S 7 for the back of the head holder is a holder blade and handle elongated neck thickness similar to the head, and this portion is provided in the portion of the chute, but much larger than the width of the chute to the width of the head of the shank. Further, the curved hook-shaped insert is much larger than the width of the straight blade, the width of the handle is limited, can not accommodate curved hook-shaped insert wrapped protective sleeve. Showing that the invention can not adapt to all types of surgical blade and knife, followed by the chute on a surgical knife handle is closed on three sides, a recess open on one side, to prevent the protective sleeve from sliding off an open side, for this you must have a structural design anti-shedding, which can easily form a hidden "dead space" between the inner wall of the chute, easy to clean and left hidden. SUMMARY:

Object of the present invention is to provide a line with a sharp instrument operating international safety standards, conventional design optimization is reasonable, economical and practical means of protection and safe scalpel blade, the blade itself not only in the process of metastasis, with the handle and a blade for binding the whole process of surgery and in post-operative treatment can effectively prevent puncture, cut, to prevent external source of infection, mainly to solve the present invention may be implemented on various types of surgical blade handle and use technical problem; solution followed by surgical handle and difficult to clean "dead" technical problems.

To achieve the above object and solve the technical problems, the present invention has a knife protection sleeve by the blade, and the protective sleeve holder are composed. Its characteristics are: blade, may be used in a variety of conventional blades may also be stationary blade and the shank portion that matches a special blade, a blade with a central blade aperture, the blade tip trailing end, having a lower edge, the blade apertures and the trailing end of the blade size, shape and have respective shank portions fixed size, to match the shape fit. The protective sleeve is provided with longitudinal, transverse chute blade layer, before and after the elastic piece and the push sleeve, the blade insert disposed layer. Horizontal and vertical chute chute cross each other, front and rear end of the through opening; cross-layer through the chute blade. The protective sleeve may be open backside surface is provided with longitudinal, lateral notch through the chute, may be closed to accommodate the shank or shank having a transverse axis of the backside of the backside non-horizontal axis; vertical, horizontal chute respectively on the vertical shank, and the horizontal axis are closely nested, the protective sleeve can slide back and forth on the tool holder. With the shift of the protective sleeve, is fixed to the blade holder head, and can freely adjust the exposed length of the blade, to prevent cuts; protective sleeve pushed forward, the blade fitted in the wrapping and, together with the shank push off . Such as when used in a disposable safety scalpel type, after staying completely wrapped blade, secured to the foremost end of the shank. The protection sleeve parallel to the longitudinal chute blade layer is adjacent layers, the layer of the open front end, a rear end closed, because the blade to be discharged away from the shank, the tail must be raised, so that the bottom surface of the rear blade layer there has always been on the inclined surface; in the case when the application type disposable safety scalpel blade without this layer may be a bottom surface of the tail inclined surface. The protective sleeve is provided with a raised trailing surface to push the sleeve, when the blade is unloaded from the holder, this is pushed forward to push the elastic blade resting tension tail upwardly inclined surface, formed by bending the blade, the blade insert together, not falling within the blade retention layer of the protective sleeve; and in the center of the push sleeve may be provided with a free resilient stopper piece on both sides, which abut against the shank end of the horizontal axis, and detent recesses thereon or stopper hole are engaged, the protective sleeve can be stopped, locked in the desired position. The protective sleeve material may be plastic, metal and other materials, resistant to disinfection, preferably transparent. The front end of the shank of the fixed blade holder head, a fixing shank groove side of the head, the head rearwardly extending handle shank forming a horizontal axis, there is a concave clearance immediately behind the horizontal axis of the head holder placing a blade-shaped blade trailing end tailstock, the upper handle shank head, the size of the blade fixing groove and the tailstock, and must match the morphology and consistent blade insert hole, the size of the trailing end of the blade, forms, in addition, the horizontal axis the stopper may also be concave, such as when a safe disposable scalpel, the stop recess disposed in front of the horizontal axis of a multi-stop hole, the protective sleeve after the final wrapping entire blade, is secured in this procedure the most distal end of the blade; on the lower horizontal axis with a vertical longitudinal axis, the longitudinal handle, in the horizontal and vertical protection sleeve, the cross chute tight fit, so that the whole can be set firmly in the protective sleeve on the shank the telescopic slide; tail handle like a conventional handle may also be measured with a scale length, the shank material may be conventional metal material such as stainless steel, may also be disposable materials.

Various surgical blade can be sold separately, for the protection of the blade from damage and harm the human body, the present invention naturally extends to one kind of protective sleeve of a surgical blade, scalpel blades it is fixed in its blade all wrapped layers. The protective sleeve has a front, a rear end opening, through, and cross each other and cross a longitudinal chute chute; insert chute penetrating the cross-layer, the open front end, a rear end closed, the rear bottom surface of the upwardly inclined surface; the outer is provided with a surface layer protrudes toward the blade front and rear convex body shrapnel, the front and rear convex body can be inserted into shrapnel holes on the blade in the blade.

Design of the present invention and while maintaining the traditional scalpel blade design advantages and applications, but also combines the concept of safety standards, it has the following advantages:

1. The present invention is designed in a vertical protective sleeve, the longitudinal cross-tightly sliding on the handle, with the horizontal axis is the working principle of the slide, the entire protection sleeve is coated on the outer shank, which is not subject to constraints on the width, can be applied to various types of conventional scalpel blades and; and the same handle can be equipped with a variety of models and their respective protective sleeve insert.

2. When the protective sleeve together with the insert discharged from the handle, this handle because the vertical, horizontal axis is open, there is no hidden "dead", it is easy to clean, use may be repeated sterilization.

The actual demand, currently in the design of optimized application scalpel reasonable, an economical and practical safe scalpel invented, it can be repeated using the same handle, with a variety of different sizes and blade corresponding protection sleeve, it can also produce disposable scalpel safe.

4. Simple one-handed operation, and reliable, while maintaining the requirement for operator scalpel weight, feel, and also reflects the advanced nature of modern design, such as the regulation of the length of the blade revealed clear locking tips, and a knife with scale handle, make the operation more safe loading and unloading of the blade, fast, fight for rescue work to valuable time.

BRIEF DESCRIPTION OF:

One kind of scalpel FIG. 1 is a perspective schematic view of the present disclosure.

FIG 2 is a diagram showing the structure of the blade.

FIG 3 is a perspective view of the protective sleeve of the present invention, FIG.

FIG 4 is a side cross-sectional view of the structure of FIG.

FIG 5 is a back side of the protective sleeve of the present invention is a perspective schematic view of the closure.

The present invention, FIG. 6 is a further perspective view of the protective sleeve.

7 is a side cross-sectional view of the structure of FIG. 6 FIG.

8 is a rear sealing and protection sleeve shank Matching plan view.

FIG 9 the present invention is a schematic perspective shank. FIG 10 is a schematic rear view of the structure of FIG.

FIG 11 is a plan view of FIG.

Yet another structural diagram of the shank 12 of the present invention.

13 is a plan view of FIG. 12.

detailed description:

Referring first to FIG. 1, the present invention has a protective sleeve of the knife, the blade consists of a protective sleeve 2, handle 3. Insert 1 can be used in a variety of conventional blades, and may be a portion of the stationary blade 1 and the handle 3 fit to match a special blade, the blade has a hole 11 (see FIG. 2) at the center of the blade 1, after the trailing end portion of the blade 12, their size, shape respectively of the head on the shank handle 331 (see FIGS. 8 and 9), the size of the fixed blade 32 and the groove 35 of the tailstock, and fit to match the shape, to fix the blade 1 in the handle 3, the cutter blade 13 in the lower part of the blade 1. Please refer to FIG. 3 to 7, with a protective sleeve interdigitated vertical chute 21, the chute 22 and the horizontal blade 23 within the layer 2, cross the chute 22 and the blade 23 through the layer, the backside surface of the protective sleeve 2 can be opened, is provided with longitudinal, 21, 22 through the horizontal sliding gap, the notch 342 on the back side with a horizontal axis of the holder 3 is fitted (see FIGS. 10, 11), the backside surface may be closed (see FIG. 5, 6), with no horizontal axis 342 with the backside of the handle member 3 (see FIG. 8), the vertical chute 21, the chute 22 are respectively cross with the longitudinal axis 33 of the handle 3, the horizontal axis 34 firmly closely fit the protective sleeve 2 can be fitted over the shank 3 slides back and forth. When the protective sleeve after shifting the slide 2, first insert 23 is placed inside the blade edges of the blade layers on both sides of an insert hole 11 is inserted into the fixing groove 31 of the head holder 32, to complete the blade holder head 1 in 31 mounted on the fixed blade 13 and can adjust the length of exposed, to avoid cuts. Vertical, horizontal front and rear chute opening 21, 22, when the longitudinal direction of the shank 3 the protective sleeve 2, the horizontal axis 33, 34 pushed forward, and fitted in the insert package 1, away from the handle 3 together; or such as when used in a disposable safe scalpel blade 1 after the security package travel, secured to the foremost end 3 of the shank. And the vertical chute 21 parallel to layer 23 adjacent layers is a blade, the blade layers 23 open front end, a rear end closed, since the insert 1 to be unloaded from the holder 3, the tail must first raise the blade 1, so that the insert layer 23 the bottom surface of the rear inclined surface 24 has been on; such as when used in a disposable safety scalpel type, the bottom surface of the blade layer 23 need not be the tail of this ramp 24 sloping upward. The trailing surface protective sleeve 2 is formed correspondingly raised to push the sleeve 25, when the insert 1 is unloaded from the holder 3, is pushed forward to push the sleeve tail 25, the blade rests on the inclined surface 24, the blade 1 is bent the elastic tension of the blade form fitting, not falling within the protective catheter sleeve 23 of the blade 2 layer. In pushing the central sleeve 25 may be provided on both sides with a free resilient stopper piece 26, which abut against the end of the horizontal axis 34, and on which the detent pockets 36, or retaining hole 39 are engaged, so that the whole protection stop sleeve 2, locked in a desired position. In order to insert 1 is provided with a more reliable positioning and fixing, the outer surface of the protective sleeve has two free front triangular tabs 27 (see FIGS. 6 and 7) and a rear leaf spring 28 in the insert layer 23, at their free ends, each provided with an inwardly projecting front tabs 271 and rear tabs projecting protuberance 281, the protuberance 271 of the front and the rear leaf spring shrapnel protuberance 281 can be embedded in the blade holes 11, to fix the blade 1 prevents the slip off the protective an outer sleeve 2. When the protective sleeve shank into the head portion 2, has front and rear leaf spring projecting from the body 271, 281 from the insert hole 11, a blade 31 is fixed to the shank head. The protective sleeve 2 of material, may be plastic, metal and other materials, resistant to disinfection, preferably transparent. Please refer to FIG. 8, FIG. 9, FIG 10, FIG 11, the shank 31 distal end 3, the shank 32 has a fixing groove on both sides of the head, handle 31 extends rearwardly of the head shank is formed a horizontal axis 34, immediately after the horizontal axis 34 of the head holder 31, there is a gap for the blade tailstock recess 35, as described above, on the shank of the head holder 331, the fixing grooves 32 and tailstock 35, respectively, with the blade insert 1 the trailing end of the blade and the blade aperture 12 size, shape, and fit to match the 11 to 1 on the fixed blade holder 3, on the horizontal axis 35 of the blade 34 after the tailstock can be provided with several detent recesses 36, and in the back side handle 3 may be disposed backside of the horizontal axis 342. When such design principles of the present invention is applied on a disposable safety scalpel type, all of the horizontal axis 34 in front of the stopper recess 36 is provided a plurality of stopper holes 39, the protective sleeve 2 can be the entire package in the final after the blade 1, secured to the foremost end of this knife. On the horizontal axis 34, a longitudinal axis 33 downward erected. The longitudinal handle 3, the horizontal axis 33, in the protective sleeve 34 and second longitudinal, transverse chute 21, 22 closely fittable, protective sleeve 2 so that the whole can be stably expanded and contracted in the upper handle 3, the slide, the blade 1 blade wrapped in the protective layer 23 of the sleeve 2; and the shank portion 38 may be similar to a conventional handle may also be measured with a long scale; handle material 3 may be a conventional metal material such as stainless steel, also be disposable materials.

Except for using each of the models on the surgical handle having a wide grip body outside, but also in an elongated neck portion having a surgical blade handle of the present invention, FIG. 12~13 of the present invention is used in a number of deep cavity surgery 7 surgical knife handle 3 'embodiment, the operation handle 3' portion of the elongated neck portion 37 is the horizontal axis 34. The longitudinal axis 33 and is divided into two unequal were placed at both ends of the elongated neck portion 37 as the abscissa 34, the bottom, so that the protective sleeve 2 can be smoothly across the elongated neck portion 37, firmly in shank 3 'telescopically slidable.

The design configuration of the present invention, before operation, first select the desired set of specifications corresponding protective sleeve of the blade 12, the protective sleeve 2 within the vertical chute 21, chute 22, respectively, along a longitudinal axis transverse 33 the horizontal axis 34 nested in the upper handle 3, after the stop of the locked piece 26, waiting to use. When surgery, in view of the operator without leaving the operation area of ​​the case, Pick scalpel blade 1 is fully wrapped, and may push the push sleeve with one hand in accordance with the depth of the infeed 25, to select the length of the blade 13 is exposed while improving the efficiency of the operation is also effectively prevent the cuts, infections and other medical malpractice. After the completion of the procedure, the case of disposable safety scalpel type, it is further pushed forward to push the sleeve 25, the stopper plate 26 so that the stopper engaging hole 39, locking the focus; as used is surgical knife handle repeated use, will push the sliding sleeve 2 prior to, after push fitting with a blade 31, when 1 is fully wrapped from the blade holder head is fitted not fall within the protection sleeve 2 to avoid collector contact with contaminated blade 1, but also to deal with such dangerous sharp safer and easier. Discharge from the cleaning blade 13 can be used thoroughly conventional manner after the holder and the protective sleeve 2, disinfected before use. In a variety of different specifications of the same blade holder and protective sleeve 3 1 2 applicable, economical and practical; not only carry forward the traditional advantages, but also reflects the modern concept of a safe working environment.

Also, depending on the design configuration of the present invention may be various models of the corresponding blade 1 is placed within the protective sleeve 2 to form a protection sleeve of a surgical blade, for purchase. Industrial Applicability:

The present invention is the above-described design and operation principle of the protective sleeve and the protective sleeve scalpel surgical blade, where the concepts to principles of the present invention is designed similar security type handle, protection sleeve, and should belong to the present scalpel the scope of the invention.

Claims

Rights request
1, having a protective sleeve of the scalpel, a blade, and the protective sleeve holder, and is characterized in that: the protective outer covering sleeve shank, relying on vertical and lateral slide chute therein, respectively longitudinal, horizontal axis closely with the shank so that the protective sleeve can slide around the shank, to complete the fixed blade mounted on the head holder, the desired blade length adjustment and locking revealed, the blade insert completely wrapped in the protective layer of the inner sleeve, the package still to lock protective sleeve fixed blade unloaded from the holder.
2, the scalpel according to claim 1, wherein: the protective sleeve is provided with a mutually intersecting horizontal and vertical sliding chute and blade and a cross-layer communication chute; the vertical and horizontal sliding chute through the front open; trailing surface of the protective sleeve has a raised push the sliding sleeve, the sleeve may have a central push the stopper piece, closed backside surface, and also defines the longitudinal and lateral notch through the chute .
3, the scalpel according to claim 1, wherein: the protective layer insert sleeve open front end, a rear end closed; a removable insert for reusable scalpel handle, the blade having a bottom surface layer tail upwardly inclined surface; disposable scalpel of the inclined surface may not be provided.
4, the scalpel according to claim 1, wherein: each blade bore is provided with a triangular free front tabs and shrapnel, said front and back tabs each having a blade fitted to the projecting blade layer on the protective sleeve in the front, rear convex body shrapnel.
5, the scalpel according to claim 1, wherein: the head holder is formed rearwardly extending horizontal axis on the handle, the handle having a head portion with a horizontal axis between a trailing end of the blade matches tailstock blade, on the horizontal axis, vertical axis provided below.
6. A scalpel as claimed in claim 5, wherein: longitudinal axis into two portions spaced from one another on the shank, so that no part of the longitudinal axis of the abscissa are attached form a neck portion of the shank to form a pot in the deep cavity with a surgical handle.
7, scalpel according to claim 2, 3, 4, 5 or 6, characterized in that: a stopper may be provided with a recess on the horizontal axis of the shank, an additional can stopper hole.
8, one kind of the protective sleeve of a surgical blade, which is characterized in that: the protective sleeve has a cross-cutting, the front and rear vertical through opening, and a transverse cross-slide and can be set in communication with a chute blade insert layer; layer distal the blade Jian put, closing the rear end, the tail having a bottom surface of the upwardly inclined surface; the outer surface of the insert is provided with a projection layer, in front of the blade extend into holes on the blade, the convex body shrapnel.
9. The protective sleeve as claimed in claim 8, said surgical blade, which is characterized in that: the protective sleeve has a raised trailing surface of the push sleeve.
10, the protective sleeve according to claim 8 or surgical blade of claim 9, wherein: the backside surface protection sleeve can be closed, and also defines the longitudinal and lateral notch through the chute.
PCT/CN2003/000381 2002-05-27 2003-05-22 The surgical scalpel having a movable guard and the scalpel blade guard WO2003099145A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN02111852.3 2002-05-27
CN 02111852 CN1382423A (en) 2002-05-27 2002-05-27 Surgical knife with protecting slide sleeve
CN03115005.5 2003-01-21
CN 03115005 CN1446520A (en) 2002-05-27 2003-01-21 Protection sliding sleeve for surgical knife blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03811740 CN100403994C (en) 2002-05-27 2003-05-22 Protective sheath for surgical knife and blade with protective slide sleeve

Publications (1)

Publication Number Publication Date
WO2003099145A1 true true WO2003099145A1 (en) 2003-12-04

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ID=29585127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2003/000381 WO2003099145A1 (en) 2002-05-27 2003-05-22 The surgical scalpel having a movable guard and the scalpel blade guard

Country Status (2)

Country Link
CN (3) CN1382423A (en)
WO (1) WO2003099145A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7387637B2 (en) 2003-04-22 2008-06-17 Becton, Dickinson And Company Surgical knife safety handle
US8256331B2 (en) 2008-11-20 2012-09-04 Alcon Research, Ltd. Guarded surgical knife handle
US8256330B2 (en) 2008-11-20 2012-09-04 Alcon Research, Ltd. Guarded surgical knife handle
USD685091S1 (en) 2003-04-22 2013-06-25 Beaver-Vistec International (US), Inc. Surgical knife safety handle guard
US9044265B2 (en) 2008-02-07 2015-06-02 Beaver-Visitec International (Us), Inc. Retractable safety knife
US9480495B2 (en) 2004-10-20 2016-11-01 Beaver-Visitec International (Us), Inc. Surgical knife safety handle having user operable lock

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101617951B (en) 2008-07-03 2012-08-29 钱倚天 Surgical knife with protective sliding sleeve
CN101642383B (en) 2009-08-20 2010-12-29 苏州施莱医疗器械有限公司;无锡信达医疗器械有限公司 Safe scalpel with assembled steel handle
CN103479402B (en) * 2013-09-27 2015-06-03 上海海洋大学 Multistage thickness positioning cutting tool

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US5275606A (en) * 1992-01-24 1994-01-04 Leonard Bloom Guarded scalpel for surgical use
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US5919201A (en) * 1993-12-08 1999-07-06 Becton, Dickinson And Company Surgical scalpel
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DE19826656A1 (en) * 1998-06-16 2000-01-05 Ruediger Dworschak Surgical scalpel e.g. for eye operations for cornea parting
WO2001005312A1 (en) * 1999-07-15 2001-01-25 Occupational & Medical Innovations Pty Ltd A surgical scalpel with retractable guard

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US5411512A (en) 1992-01-24 1995-05-02 Leonard Bloom Guarded surgical scalpel
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US5275606A (en) * 1992-01-24 1994-01-04 Leonard Bloom Guarded scalpel for surgical use
US5919201A (en) * 1993-12-08 1999-07-06 Becton, Dickinson And Company Surgical scalpel
US5868771A (en) * 1997-07-25 1999-02-09 Pabban Development, Inc. Scalpel blade cover
DE19826656A1 (en) * 1998-06-16 2000-01-05 Ruediger Dworschak Surgical scalpel e.g. for eye operations for cornea parting
CN2334348Y (en) * 1998-06-22 1999-08-25 王东文 Quantitative scalpel
WO2001005312A1 (en) * 1999-07-15 2001-01-25 Occupational & Medical Innovations Pty Ltd A surgical scalpel with retractable guard

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7387637B2 (en) 2003-04-22 2008-06-17 Becton, Dickinson And Company Surgical knife safety handle
US7901422B2 (en) 2003-04-22 2011-03-08 Beaver-Visitec International (Us), Inc. Surgical knife safety handle
US7905894B2 (en) 2003-04-22 2011-03-15 Beaver-Visitec International (Us), Inc. Surgical knife safety handle
USD685091S1 (en) 2003-04-22 2013-06-25 Beaver-Vistec International (US), Inc. Surgical knife safety handle guard
USD685092S1 (en) 2003-04-22 2013-06-25 Beaver-Visitec International (Us), Inc. Surgical knife safety handle
US9480495B2 (en) 2004-10-20 2016-11-01 Beaver-Visitec International (Us), Inc. Surgical knife safety handle having user operable lock
US9044265B2 (en) 2008-02-07 2015-06-02 Beaver-Visitec International (Us), Inc. Retractable safety knife
US8256331B2 (en) 2008-11-20 2012-09-04 Alcon Research, Ltd. Guarded surgical knife handle
US8256330B2 (en) 2008-11-20 2012-09-04 Alcon Research, Ltd. Guarded surgical knife handle

Also Published As

Publication number Publication date Type
CN1655727A (en) 2005-08-17 application
CN1446520A (en) 2003-10-08 application
CN1382423A (en) 2002-12-04 application
CN100403994C (en) 2008-07-23 grant

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