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WO2003099145A1 - Scalpel chirurgical a garde mobile et garde de lame de scalpel - Google Patents

Scalpel chirurgical a garde mobile et garde de lame de scalpel Download PDF

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
WIPO (PCT)
Prior art keywords
blade
sliding sleeve
protective
scalpel
shank
Prior art date
Application number
PCT/CN2003/000381
Other languages
English (en)
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
Application filed by Yitian Qian, Yee Men Lo filed Critical Yitian Qian
Priority to AU2003242151A priority Critical patent/AU2003242151A1/en
Priority to CNB038117401A priority patent/CN100403994C/zh
Publication of WO2003099145A1 publication Critical patent/WO2003099145A1/fr

Links

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
    • A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
    • 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
    • A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade

Definitions

  • the present invention relates to surgical instruments, and more particularly to safety scalpels and protective sleeves.
  • the most typical is PCT / Au 00/00166, World Patent No. WO 01/05312 A1, published on January 25, 2001, entitled "A SURGICAL SCALPEL WITH RETRACTABLE GUARD".
  • the core of the application is still a protective sliding sleeve that can wrap the surgical blade, and a surgical handle with a sliding groove that can accommodate the protective sliding sleeve.
  • the protective sliding sleeve is a sleeve with an opening at the front end and a slot at one side, which wraps the blade therein, and the sleeve is also provided with an elastic snap-in connection structure to fix or release the blade.
  • the connection structure is composed of convex fingers or bumps and buttons.
  • the blade hole of the blade can be contacted, and the raised fingers or bumps are pushed up, so that the blade is released from the protective slide and is connected with the handle head.
  • Fixed connection The rear protective sliding sleeve moves backward in the chute on the scalpel handle, and the blade protrudes from the front end of the protective sleeve; adjusting the position of the protective sliding sleeve in the chute can adjust the exposed length of the blade.
  • the invention can effectively protect the stabbing and cutting injuries of the blade, and can protect the blade. It can be used for both disposable scalpels and metal-made scalpels that can repeatedly use their handles. An excellent idea. In particular, metal handles can be used repeatedly for cleaning, disinfection, and have a certain weight and good feel, which is favored by surgeons.
  • the invention can exert its protective effect on most types of surgical shanks, but it is not applicable to the No. 7 shank for deep cavity surgery. S is the back of the No. 7 shank head of the No.
  • the slender neck is similar in thickness to the head, and this part is where the chute is located, but the width of the chute is much larger than the width of the head of the handle.
  • the width of the curved hook blade is much larger than that of the straight blade, and the width of the shank is limited, and it cannot accommodate the protective sliding sleeve surrounding the curved hook blade. It can be seen that the invention cannot meet the requirements of all types of surgical blades and scalpels.
  • the chute on the scalpel handle is a groove closed on three sides and open on one side.
  • the purpose of the present invention is to provide a safety scalpel and blade protection device that is in line with international safety standards for the operation of sharp instruments, optimizes a reasonable traditional design, and is economical and practical, not only during the transfer of the blade itself, but also in combination with the blade and the handle.
  • the whole process of surgical operation and post-operative treatment can effectively prevent stabs and cuts, eliminate the source of infection, and mainly solve the technical problem that the present invention can be used on various types of surgical handles and blades; the second is to solve the surgery "Dead angle" technical problem that the handle is not easy to clean.
  • the scalpel with a protective sliding sleeve of the present invention is composed of a blade, a protective sliding sleeve and a knife handle. Its characteristics are:
  • the blade can be a variety of traditionally used blades, or a special blade that matches the fixed blade part of the handle.
  • the blade has a blade hole in the center, the end of the blade is the blade end, and the lower part has a blade and a blade hole.
  • the size and shape of the blade end must match the size and shape of the corresponding fixed part of the handle.
  • the protective sliding sleeve is provided with longitudinal and horizontal sliding grooves, a blade layer, front and rear elastic pieces and a sliding sleeve pusher, and the blade is placed in the blade layer.
  • the vertical chute and the horizontal chute cross each other, and the front and rear ends are open and penetrated; the horizontal chute and the blade layer are penetrated.
  • the back surface of the protective sliding sleeve can be opened, and a gap penetrating the vertical and horizontal sliding grooves can be set, and it can also be closed to accommodate a shank with a horizontal axis backside or a toolholder without a horizontal axis backside; the vertical and horizontal sliding grooves They are closely fitted with the longitudinal and horizontal axes on the tool holder, respectively, so that the protective sliding sleeve can slide back and forth on the tool holder.
  • the blade layer In this layer, when it is applied to a disposable safety scalpel, it stays after completely wrapping the blade and is fixed at the forefront of the handle.
  • the adjacent layer parallel to the vertical slide groove in the protective sleeve is the blade layer.
  • the front end of this layer is open and the rear end is closed. Because the blade must be lifted up when it is to be removed from the handle, it is at the bottom of the blade layer.
  • a raised sliding sleeve pusher is provided on the rear surface of the protective sliding sleeve.
  • the pusher When the blade is detached from the handle, the pusher is pushed forward so that the blade tail rests on the upward inclined surface.
  • the elastic tension formed by the blade bending inserts the blade into the blade.
  • the center of the slider of the sliding sleeve can be provided with two free elastic stop pieces, the end of which can abut the horizontal axis of the handle, the stop recess or Only
  • the moving holes are locked together, so that the protective sleeve can be stopped and locked in a desired position.
  • the material of the protective sleeve can be various materials such as plastic, metal, etc. It is better to be disinfectable and transparent.
  • the front end of the shank is the shank head of the fixed blade.
  • the shank head extends backward to form the shank horizontal axis.
  • the size and shape of the blade tailstock on the blade end of the blade must be matched and matched with the size and shape of the blade hole, the blade tail end, and shape on the handle.
  • the horizontal axis There can also be a stopper recess. If it is a disposable safety scalpel, an additional stopper hole is set in front of the stopper recess on the horizontal axis, so that the protective sleeve can be fixed in the operation after the entire blade is finally wrapped.
  • the foremost end of the knife there is a vertical axis on the upper and lower sides of the horizontal axis, and the vertical and horizontal axes on the shank are closely matched with the vertical and horizontal slide grooves in the protective sleeve, so that the entire protective sleeve can be placed on the handle steadily
  • the end of the handle can resemble a traditional handle, or it can have a length measuring scale.
  • the material of the handle can be a conventional metal material such as stainless steel, or it can be a variety of disposable materials.
  • the present invention also naturally extends to a protective sliding sleeve for a surgical blade, which wraps and fixes all the surgical blades in its blade layer.
  • the protective sliding sleeve has front and rear ends which are open, penetrated, and intersect with each other; a vertical chute and a horizontal chute; a blade layer penetrating the horizontal chute, the front end is open, the rear end is closed, and the bottom of the tail has an upward inclined surface;
  • the surface is provided with front and rear elastic sheet protrusions protruding toward the blade layer, and the front and rear elastic sheet protrusions can extend into the blade holes of the blade.
  • the design of the invention not only maintains the advantages in the design and application of traditional scalpels and blades, but also incorporates the concept of safety standards. It has the following advantages:
  • the design of the present invention is based on the working principle that the vertical and horizontal slide grooves in the protective sleeve closely cooperate with the vertical and horizontal axes on the tool holder, and the entire protective sleeve is covered outside the tool holder, so it is not Accept Degree constraints can be applied to existing scalpels and blades of various models; and the same handle can be equipped with blades of various specifications and their corresponding protective sleeves.
  • the handle is open because the vertical and horizontal axes are free from hidden “dead corners", so it is easy to clean and can be repeatedly disinfected.
  • FIG. 1 is a schematic perspective view of a scalpel according to the present invention.
  • Figure 2 is a schematic diagram of the blade structure.
  • FIG. 3 is a schematic perspective view of a protective sliding sleeve according to the present invention.
  • FIG. 4 is a side sectional structural view of FIG. 3.
  • FIG. 5 is a schematic perspective view of the back side closed protection sliding sleeve of the present invention.
  • FIG. 6 is a schematic perspective view of another protective sliding sleeve according to the present invention.
  • FIG. 7 is a side sectional structural view of FIG. 6.
  • Figure 8 is a top view of a shank matched with a back-side closed protective sliding sleeve.
  • FIG. 9 is a schematic perspective view of a holder of the present invention.
  • FIG. 10 is a schematic structural diagram of the back side of FIG. 9.
  • FIG. 11 is a top view of FIG. 9.
  • FIG. 12 is a schematic diagram of another tool holder structure of the present invention.
  • FIG. 13 is a top view of FIG. 12.
  • a scalpel with a protective sliding sleeve is composed of a blade 1, a protective sliding sleeve 2, and a handle 3.
  • the blade 1 can be a variety of blades in conventional use, or a special blade that matches and fits the position of the fixed blade 1 on the handle 3, and has a blade hole 11 in the center of the blade 1 (see Figure 2).
  • the part is the blade tail end 12, whose size and shape match and match the size and shape of the holder head 31 (see FIGS. 8 and 9), the fixing groove 32 and the blade tail 35 of the holder 3, respectively. It is used to fix the blade 1 on the shank 3, and a knife edge 13 is provided on the lower part of the blade 1. Please refer to FIGS.
  • the protective sliding sleeve 2 has the vertical sliding groove 21, the horizontal sliding groove 22 and the blade layer 23 intersecting each other.
  • the horizontal sliding groove 22 penetrates the blade layer 23.
  • the back surface of the protective sliding sleeve 2 can be opened.
  • a notch is provided which penetrates the longitudinal and horizontal sliding grooves 21 and 22, and the notch is fitted with the back side 342 of the horizontal axis on the tool holder 3 (see FIGS. 10 and 11), and the back surface can also be closed (see FIG. 10). 5, 6), in cooperation with the shank body 3 (see FIG.
  • the vertical sliding groove 21 and the horizontal sliding groove 22 are firmly and closely connected to the vertical axis 33 and the horizontal axis 34 on the tool holder 3, respectively. It fits so that the protective sliding sleeve 2 can be slid back and forth on the handle 3.
  • the protective sleeve 2 slides backward, firstly insert both sides of the blade hole 11 in the blade 1 placed in the blade layer 23 into the holder groove 31 fixing groove 32 to complete the blade 1 in the holder head 31
  • the installation on the top is fixed, and the exposed length of the blade edge 13 can be adjusted at will to avoid cuts.
  • the longitudinal and horizontal slide grooves 21 and 22 are opened forward and backward.
  • the protective sleeve 2 When the protective sleeve 2 is pushed forward along the longitudinal and horizontal axes 33 and 34 on the handle 3, after wrapping and fitting the blade 1, Lift away from the handle 3; or, if it is applied to a disposable safety scalpel, stay behind the securely wrapped blade 1 and fix it at the foremost end of the handle 3.
  • the adjacent layer parallel to the longitudinal chute 21 is the blade layer 23.
  • the front end of the blade layer 23 is open and the rear end is closed.
  • the tail of the blade 1 When the blade 1 wants to detach from the handle 3, the tail of the blade 1 must be raised first, so the blade layer 23
  • the bottom surface of the tail portion has an upward inclined surface 24; if it is applied to a disposable safety scalpel, the bottom surface of the tail portion of the blade layer 23 does not need this inclined surface 24 inclined upward.
  • the trailing surface of the protective sleeve 2 is correspondingly raised to form a sliding sleeve pusher 25.
  • the sliding sleeve pusher 25 is pushed forward, and the tail of the blade rests on the upper inclined surface 24, so that the blade 1 is bent.
  • the formed elastic tension fits the blade 1 and leaves it in the blade layer 23 of the protective sleeve 2 so as not to fall off.
  • An elastic stopper piece 26 can be provided at the center of the sliding sleeve pusher 25. The end of the stopper piece can abut against the horizontal axis 34 and engage with the stopper recess 36 or stopper hole 39 to protect the entire protection.
  • the sleeve 2 is stopped and locked in a desired position.
  • the outer surface of the protective sliding sleeve is provided with two front elastic pieces 27 (see FIGS. 6 and 7) and rear elastic pieces 28 which are free from each other.
  • the free ends are respectively provided with a front elastic piece convex body 271 and a rear elastic piece convex body 281 protruding inward, and the front elastic piece convex body 271 and the rear elastic piece convex body 281 can be embedded in the blade hole 11 to fix the blade 1 to prevent it from falling off the protection slide Set of 2 outside.
  • the material of the protective sleeve 2 can be various materials such as plastic, metal, etc. It is better to be disinfectable and transparent. Please continue to refer to FIG. 8, FIG. 9, FIG. 10, and FIG. 11.
  • the front end of the shank 3 is a shank head 31, and there are fixing grooves 32 on both sides thereof.
  • the shank head 31 extends backward to form a shank horizontal axis 34. Immediately after the horizontal axis 34 is adjacent to the shank head 31, there is a recess for the blade tailstock 35.
  • the shank head 31, the fixing groove 32, and the blade tailstock 35 on the shank 3 are respectively on the blade 1.
  • Blade holes 11 and The size and shape of the tail end 12 of the blade are matched and matched to fix the blade 1 on the handle 3, and a plurality of stop recesses 36 can be provided on the horizontal axis 34 behind the blade tail 35, and the back of the handle 3
  • a lateral axis back side 342 may be provided on the side.
  • a stopper hole 39 is provided in front of all the stopper recesses 36 on the horizontal axis 34, so that the protective sliding sleeve 2 can be wrapped around the whole After the blade 1, it is fixed at the forefront of the scalpel.
  • a vertical axis 33 is erected above and below the horizontal axis 34.
  • the vertical and horizontal axes 33 and 34 on the tool holder 3 fit tightly with the vertical and horizontal slide grooves 21 and 22 in the protective sliding sleeve 2 so that the entire protective sliding sleeve 2 can stably extend and slide on the tool holder 3,
  • the blade 1 is wrapped in the blade layer 23 in the protective sleeve 2;
  • the shank end 38 may be similar to the traditional shank, or may have a length measuring scale;
  • the material of the shank 3 may be a conventional metal material such as stainless steel, Can also be a variety of disposable materials.
  • the present invention can also be implemented on scalpel handles with a slender neck.
  • Figures 12 to 13 are the No. 7 used in the deep cavity surgery of the present invention.
  • the scalpel handle 3 ′ embodiment, the scalpel handle 3 ′ elongated neck 37 is a part of the horizontal axis 34.
  • the longitudinal axis 33 is divided into two different parts and placed on and below the transverse axis 34 as the two ends of the elongated neck 37, so that the protective sleeve 2 can smoothly cross the elongated neck 37, Telescopic sliding on the handle 3 '.
  • the design structure of the present invention before the operation starts, firstly select the blade 1 with the corresponding protective sleeve 2 with the required specifications, so that the vertical sliding groove 21 and the horizontal sliding groove 22 in the protective sliding sleeve 2 are along the longitudinal axis 33, respectively.
  • the horizontal axis 34 is fitted on the handle 3, and after the stop piece 26 prompts the lock, wait for use.
  • the operator's field of vision does not need to leave the operation area, pick up the scalpel with the blade 1 completely wrapped, and push the sliding sleeve pusher 25 with one hand according to the depth of the incision to choose the length of the exposed blade 13 , While effectively improving the efficiency of the operation, it also effectively prevents cutting Injuries, infections and other medical accidents.
  • the blades 1 of various specifications and models can be placed in the corresponding protective sleeve 2 to form a protective sleeve for a surgical blade for purchase.

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  • 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

L'invention porte sur un scalpel chirurgical à garde mobile comportant une lame, une garde et un manche. La lame est fixée à la tête du manche, la garde recouvre l'extérieur du manche, et des fentes longitudinales pratiquées dans la garde s'engagent dans des nervures longitudinales et transversales du manche, ce qui permet à la garde de coulisser par rapport au manche entre une position où elle empêche un contact par inadvertance avec la lame, et une position où la lame est exposée sur la longueur nécessaire à son type d'utilisation.
PCT/CN2003/000381 2002-05-27 2003-05-22 Scalpel chirurgical a garde mobile et garde de lame de scalpel WO2003099145A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003242151A AU2003242151A1 (en) 2002-05-27 2003-05-22 The surgical scalpel having a movable guard and the scalpel blade guard
CNB038117401A CN100403994C (zh) 2002-05-27 2003-05-22 具有保护滑套的手术刀和手术刀片的保护套

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN 02111852 CN1382423A (zh) 2002-05-27 2002-05-27 具有保护滑套的手术刀
CN02111852.3 2002-05-27
CN 03115005 CN1446520A (zh) 2002-05-27 2003-01-21 手术刀片的保护滑套
CN03115005.5 2003-01-21

Publications (1)

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

Family

ID=29585127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2003/000381 WO2003099145A1 (fr) 2002-05-27 2003-05-22 Scalpel chirurgical a garde mobile et garde de lame de scalpel

Country Status (3)

Country Link
CN (3) CN1382423A (fr)
AU (1) AU2003242151A1 (fr)
WO (1) WO2003099145A1 (fr)

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
US8256330B2 (en) 2008-11-20 2012-09-04 Alcon Research, Ltd. Guarded surgical knife handle
US8256331B2 (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 (zh) * 2008-07-03 2012-08-29 钱倚天 具有保护滑套的手术刀
CN101642383B (zh) * 2009-08-20 2010-12-29 苏州施莱医疗器械有限公司 钢柄装卸式安全手术刀
CN103479402B (zh) * 2013-09-27 2015-06-03 上海海洋大学 多级厚度定位切取刀器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275606A (en) * 1992-01-24 1994-01-04 Leonard Bloom Guarded scalpel for surgical use
US5868771A (en) * 1997-07-25 1999-02-09 Pabban Development, Inc. Scalpel blade cover
US5919201A (en) * 1993-12-08 1999-07-06 Becton, Dickinson And Company Surgical scalpel
CN2334348Y (zh) * 1998-06-22 1999-08-25 王东文 定量手术刀具
DE19826656A1 (de) * 1998-06-16 2000-01-05 Ruediger Dworschak Skalpell, insbesondere Skalpell für Augenoperationen
WO2001005312A1 (fr) * 1999-07-15 2001-01-25 Occupational & Medical Innovations Pty Ltd Scalpel chirurgical dote d'une gaine retractable

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411512A (en) * 1992-01-24 1995-05-02 Leonard Bloom Guarded surgical scalpel
US5292329A (en) * 1992-12-04 1994-03-08 Werner Richard S Retractable surgical knife
CN1095258A (zh) * 1993-05-14 1994-11-23 布鲁斯·德伯希尔 刀刃可收缩的安全手术刀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (de) * 1998-06-16 2000-01-05 Ruediger Dworschak Skalpell, insbesondere Skalpell für Augenoperationen
CN2334348Y (zh) * 1998-06-22 1999-08-25 王东文 定量手术刀具
WO2001005312A1 (fr) * 1999-07-15 2001-01-25 Occupational & Medical Innovations Pty Ltd Scalpel chirurgical dote d'une gaine retractable

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10258367B2 (en) 2003-04-22 2019-04-16 Beaver-Visitec International (Us), Inc. Surgical knife safety handle
USD685092S1 (en) 2003-04-22 2013-06-25 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
US7387637B2 (en) 2003-04-22 2008-06-17 Becton, Dickinson And Company Surgical knife safety handle
US10271872B2 (en) 2003-04-22 2019-04-30 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
US7901422B2 (en) 2003-04-22 2011-03-08 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
US10357279B2 (en) 2004-10-20 2019-07-23 Beaver-Visitec International (Us), Inc. Surgical knife safety handle having user operable lock
US11109886B2 (en) 2004-10-20 2021-09-07 Beaver-Visitec International (Us), Inc. Surgical knife safety handle having user operable lock
US11779368B2 (en) 2004-10-20 2023-10-10 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
CN1655727A (zh) 2005-08-17
CN1382423A (zh) 2002-12-04
AU2003242151A1 (en) 2003-12-12
CN1446520A (zh) 2003-10-08
CN100403994C (zh) 2008-07-23

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