CN1655727A - Protective sheath for surgical knife and blade with protective slide sleeve - Google Patents

Protective sheath for surgical knife and blade with protective slide sleeve Download PDF

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Publication number
CN1655727A
CN1655727A CN 03811740 CN03811740A CN1655727A CN 1655727 A CN1655727 A CN 1655727A CN 03811740 CN03811740 CN 03811740 CN 03811740 A CN03811740 A CN 03811740A CN 1655727 A CN1655727 A CN 1655727A
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CN
China
Prior art keywords
blade
handle
knife
sliding sleeve
protection sliding
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
Application number
CN 03811740
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Chinese (zh)
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CN100403994C (en
Inventor
钱倚天
鲁祎民
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Individual
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Individual
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 Individual filed Critical Individual
Publication of CN1655727A publication Critical patent/CN1655727A/en
Application granted granted Critical
Publication of CN100403994C publication Critical patent/CN100403994C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

A sort of bistoury with protective sliding bush, which is composed of a blade, a protective sliding bush and knife handle, its character comprises: the protective sliding bush covered at the exterior of the knife handle, by means of the longitudinal sliding chute and transversal sliding chute respectively assorting to the axis of bank and abscissa axis osculatingly, the protective sliding bush can slip fore-and-aft at the knife handle, fulfill the installing and fixing of the blade at the head of the knife handle, adjust and lock down the necessary exposed length of the blade, entirely pack the blade to the blade layer in the protective sliding bush, and can remove the protective sliding bush packing the fixed blade from the knife handle. The present invention can resolve the technical problems when the various types of bistoury handle and the blade are used.

Description

Protective sheath for surgical knife and blade with protective slide sleeve
τ arts knife and Τ arts blade shield with removable shield Dagon
Technical field:
The present invention is on surgical operating apparatus, especially with regard to safety scalpel and protection sliding sleeve.
Background technology:
The various model scalpels and blade used in sale in the market and medical operating; the overwhelming majority does not have safety guard; blade is exposed; easily hurt operator and holder; especially scalpel; no matter in operation application or transmission or when unloading knife and blade collection after surgery; exposed blade can turn into a kind of approach of the infection through blood born pathogeny body, the staff such as vast medical care, cleaning is endured such as HIV, hepatitis B, the threat of hepatitis virus infection to the fullest extent.Some advanced countries and manufacturer attach great importance to and are directed to eliminating the harm caused by this unsafe factor.The safety scalpel of some disposable plastics is developed and the safety scalpel with sliding sleeve protection device puts goods on the market and used.Most typically on January 25th, 2001, the A1 of publication number W0 01/05312 were entitled《A SURGICAL SCALPEL WITH RETRACTABLE GUARD (there is Ke Shen Shrink to protect the surgical scalpels of sliding sleeve)》No. 00/00166 world patent application of PCT/Au, its core, which is still one, can wrap up the protection sliding sleeve of knife blade, and a knife handle for having a chute that can accommodate protection sliding sleeve.The protection sliding sleeve is that there is opening, side to have slotted cover for a front end, and it wraps up blade the snap-in attachment structure for wherein, on cover also setting up tool elasticity, with fixed or release blade.The attachment structure is made up of finger or projection and button.When the head of knife handle is stretched into out of protection sliding sleeve side fluting, you can touch the blade aperture of blade, by finger or projection jack-up, blade is set to be fixedly connected from release in protection sliding sleeve with handle of a knife head, so Moved in the chute of rear protecting sliding sleeve backward on knife handle, blade then stretches out from protective jacket front end;Adjustment protection slides over the position in chute, can adjust the exposed length of blade.Operation is finished, when pushing away chute forward with protection sliding sleeve, it again unloads blade from handle of a knife head, it is fully wrapped around, be fixed in sliding sleeve after, unloaded simultaneously from knife handle.This invention can effectively protect blade to people it is perverse, incised wound do harm to, blade can be protected, can be not only used for disposable surgical knife, again can be used for metal manufacture, can repetitiousness using its handle of a knife scalpel, be still a kind of outstanding intention.Especially knife handle of metal can clean, sterilize repetitiousness and use, and have certain weight and good feel again, deep to be looked at clearly by surgical.The invention can play its protective action on the knife handle of most of models, but No. 7 handle of a knifes of deep chamber operation are not applied to, S is followed by a slender neck similar with handle of a knife cutter head portion thickness for the handle of a knife head of No. 7 handle of a knifes, and this position exactly sets the position of chute, but the width of chute is significantly larger than the width on handle of a knife head.In addition, the width of hook shape blade is much larger than straight blade, and the width of handle of a knife is then limited, it is impossible to accommodate the protection sliding sleeve of parcel hook shape blade.It can be seen that the invention does not adapt to the requirement of all models knife blade and scalpel, secondly the chute on knife handle be a three side sealing close, the groove of one side open, to prevent the one side for protecting sliding sleeve to be opened from the chute from coming off, there must be the structure design of anti-dropout for this, this just easily forms hidden " dead angle " between chute inwall, not easy cleaning and leave hidden danger.The content of the invention:
Meet sharp instrument operation international safety standard it is an object of the invention to provide one kind; optimize reasonable traditional design; economical and practical safety scalpel and the protection device of blade; not only during blade is shifted in itself; and blade is combined with handle of a knife and effectively can prevent from piercing in the overall process for carrying out surgical operation and post operative treatment, hurt; prevent outside the source of infection, the technical problem used can be realized on the knife handle and blade of various models by mainly solving the present invention;Next to that solving operation Difficult cleaning of " dead angle " technical problem of handle of a knife.
For up to the technical problem described in above-mentioned purpose and solution, the present invention has the scalpel of protection sliding sleeve, and by blade, protection sliding sleeve and handle of a knife are constituted.It is characterized in:Blade, it can be the blade of all size in traditional use, can also fix the special blade that blade position matches with handle of a knife, there is blade aperture in blade center, end is blade tail end, bottom has a blade, the size of blade aperture and blade tail end, form must fixed position corresponding with handle of a knife size, form match it is identical.Protection sliding sleeve is provided with longitudinal and transverse chute, and blade layer, forward and backward shell fragment and sliding sleeve handle, blade is placed in blade layer.Vertical runner and sideslip groove cross one another, and front and back ends open insertion;Sideslip groove and blade layer insertion.The back surface of protection sliding sleeve can be opened, and set the breach with longitudinal and transverse chute insertion, can also be closed, to adapt to the handle of a knife with transverse axis dorsal part or the handle of a knife without transverse axis dorsal part;Longitudinal and transverse chute respectively with handle of a knife longitudinal and transverse axle mutually closely fit, protection sliding sleeve is slid back and forth on handle of a knife.With the rear shifting of protection sliding sleeve, blade is fixed on handle of a knife head, and can arbitrarily adjust the length that blade appears, incised wound is prevented;Pushed away before protection sliding sleeve, after parcel and chimeric blade, handle of a knife is pushed away together.When such as applying on disposable safety scalpel, stop, be installed with handle of a knife foremost after fully wrapped around blade.The adjacent bed parallel with vertical runner is blade layer in protection sliding sleeve, and the front end of this layer is opened, back-end closure, during handle of a knife to be unloaded due to blade, it is necessary to first raises its afterbody, therefore has a upward inclined plane in the bottom surface of blade layer afterbody;When applying in this way on disposable safety scalpel, blade layer afterbody bottom surface can be without this inclined plane.Protect sliding sleeve tail surface that bossed sliding sleeve handle is set; when blade unloads handle of a knife, this handle is promoted forward, blade afterbody is shelved in upward inclined plane; the elasticity tension that blade is bent to form, blade is fitted together to, is retained in the blade layer of protection sliding sleeve and does not fall off;The free elastic stopping piece in a both sides can be provided with the center of sliding sleeve handle, its end can be recessed or only with stop thereon against handle of a knife transverse axis Dynamic hole is interlocked, and protection sliding sleeve is stopped, and is locked in a certain desired position.The materials of protection sliding sleeve can be plastics, the various materials such as metal, and with resistant to the sterilising, transparent is preferred.The front end of handle of a knife is the handle of a knife head of fixed blade, there is fixing groove handle of a knife head both sides, handle of a knife head back extends to form handle of a knife transverse axis, there is a blade tailstock that blade tail end is placed in recessed gap shape behind transverse axis immediately handle of a knife head, handle of a knife upper slitter negative winding stem, the size of fixing groove and blade tailstock, form must be with blade blade aperture, the size of blade tail end, form matches and coincide, in addition, can also there is stop recessed on transverse axis, when being such as disposable safety scalpel, a stop hole is set the recessed front of stop of transverse axis more, protection is slided over finally to wrap up after whole blade, it is installed with this scalpel foremost;The longitudinal and transverse chute in the longitudinal and transverse axle and protection sliding sleeve having on the longitudinal axis, handle of a knife is erected in the upper and lower of transverse axis to be fitted close, and enables entirely to protect sliding sleeve to be enclosed on handle of a knife firmly flexible, slip;Handle of a knife afterbody can be like traditional handle of a knife, also can be with long scale is surveyed, and the material of handle of a knife can be usual stainless steel and other metal materials, or disposable various materials.
Because the blade of various operations can be sold separately, for protecting blade against damages and injuring human body, the present invention also extends to a kind of protection sliding sleeve of knife blade naturally, and knife blade is all wrapped in its blade layer by it.The protection sliding sleeve has front and back ends opening, insertion and the vertical runner crossed one another and sideslip groove;With the blade layer of sideslip groove insertion, front end is opened, back-end closure, and there is a upward inclined plane afterbody bottom surface;The forward and backward shell fragment convex body prominent to blade layer is provided with outer surface, the forward and backward shell fragment convex body can be stretched into the blade aperture of blade.
Present invention design had both maintained the advantage in traditional operation knife and blade design and application, had also merged the theory of safety standard, it has the advantage that as follows:
1. the design of the present invention is to be slided with protecting the longitudinal and transverse chute in sliding sleeve closely to coordinate with the longitudinal and transverse axle on handle of a knife as operation principle, and entirely protects sliding sleeve to be coated on outside handle of a knife, therefore not by width Restriction on degree, can be suitably used for the scalpel and blade of existing various models;And same handle of a knife can match somebody with somebody the blade of all size model and its protect sliding sleeve accordingly.
2. after protecting sliding sleeve to unload handle of a knife together with blade, this handle of a knife is open due to longitudinal and transverse axle, in the absence of hidden " dead angle ", therefore easily cleaning, it also can repeatedly sterilize and use.
3. according to the actual requirements; after the design optimization to applying scalpel at present is reasonable; a kind of economical and practical safety scalpel invented; it can be the same handle of a knife of Reusability; mix the blade of various different sizes and protect sliding sleeve accordingly, disposable safety scalpel can also be produced.
4. one-handed performance is simple, reliable, both requirement of the operator to scalpel weight, feel had been maintained, also the advance of modern designs is embodied, such as regulate and control length that blade appears, clearly locking prompting and with graduated handle of a knife, more make the safe operation, quick of handling blade, valuable time is won for treatment work.
Brief description of the drawings:
Fig. 1 is a kind of scalpel schematic perspective view of the invention.
Fig. 2 is blade structure schematic diagram.
Fig. 3 is the protection sliding sleeve schematic perspective view of the present invention.
Fig. 4 is Fig. 3 side, sectional structure chart.
Fig. 5 is the schematic perspective view of the dorsal part closed protective sliding sleeve of the present invention.
Fig. 6 is for another protection sliding sleeve schematic perspective view of the present invention.
Fig. 7 is Fig. 6 side, sectional structure chart.
The handle of a knife top view that Fig. 8 is and dorsal part closed protective sliding sleeve matches.
Fig. 9 is handle of a knife schematic perspective view of the invention. Figure 10 is Fig. 9 backside configuration schematic diagram.
Figure 11 is Fig. 9 top view.
Figure 12 is another Knife handle structure schematic diagram of the invention.
Figure 13 is Figure 12 top view.
Embodiment:
Referring initially to shown in Fig. 1, the present invention has the scalpel of protection sliding sleeve, is made up of blade 1, protection sliding sleeve 2, handle of a knife 3.Blade 1 can be the blade of all size in traditional use, it can also be the special blade for matching and coincideing with the position that blade 1 is fixed on handle of a knife 3, there is blade aperture 11 in the center of blade 1 (see Fig. 2), rear portion is blade tail end 12, their size, form matches and coincide with size, the form of the handle of a knife head 31 (referring to Fig. 8 and Fig. 9) on handle of a knife 3, fixing groove 32 and blade tailstock 35 respectively, to fixed blade 1 on handle of a knife 3, there is blade 13 in the bottom of blade 1.Refer to Fig. 3 ~ 7; there are the vertical runner 21 crossed one another, sideslip groove 22 and blade layer 23 in protection sliding sleeve 2; sideslip groove 22 and blade 23 insertion of layer; the protection back surface of sliding sleeve 2 can be opened; the breach with longitudinal and transverse chute 21,22 insertions is provided with, the breach is then mutually chimeric with the transverse axis dorsal part 342 on handle of a knife 3(Referring to Figure 10,11); the back surface can also be closed (referring to Fig. 5,6); coordinate with the toolholder body 3 (referring to Fig. 8) without transverse axis dorsal part 342; vertical runner 21; sideslip groove 22 respectively with the longitudinal axis 33 on handle of a knife 3; the firmly close fit of transverse axis 34, enables protection sliding sleeve 2 to be enclosed on handle of a knife 3 and slides back and forth.When protecting shifting slip after sliding sleeve 2; the both side edges intercalation of blade aperture 11 enters in the fixing groove 32 of handle of a knife head 31 in the blade 1 being placed on first in blade layer 23; installation of the blade 1 on handle of a knife head 31 is completed to fix; and can arbitrarily adjust the length that blade 13 appears, it is to avoid incised wound.It is open before and after longitudinal and transverse chute 21,22, when protection sliding sleeve 2 is pushed away along before the longitudinal and transverse axle 33,34 on handle of a knife 3, after parcel and chimeric blade 1, one Rise and push away handle of a knife 3;Or, when such as applying on disposable safe type scalpel, stop, be installed with handle of a knife 3 foremost after safety parcel blade 1.The adjacent bed parallel with vertical runner 21 is blade layer 23,23 front end of blade layer are opened, back-end closure, during due to 1 handle of a knife 3 to be unloaded of blade, the afterbody of blade 1 must be raised first, therefore has a upward inclined plane 24 in the bottom surface of blade 23 afterbody of layer;When such as applying on disposable safe type scalpel, the bottom surface of blade 23 afterbody of layer then can be without this to the inclined-plane 24 of updip.Protect the corresponding lifting formation sliding sleeve handle 25 of the tail surface of sliding sleeve 2; when blade 1 unloads handle of a knife 3; sliding sleeve handle 25 is promoted forward; the afterbody of blade is shelved in top incline 24; bend blade 1, blade 1 is fitted together to by the elasticity tension of formation, is retained in the blade layer 23 of protection sliding sleeve 2 and does not fall off.In the settable elastic stopping piece 26 for having a both sides free in the center of sliding sleeve handle 25; its end can be against transverse axis 34; and be interlocked with stop recessed 36 thereon, or stop hole 39, make entirely to protect sliding sleeve 2 to stop, being locked in a certain desired position.In order that blade 1 has more reliable positioning to fix in blade layer 23; two three sides free preceding shell fragment 27 (referring to Fig. 6 and Fig. 7) and rear shell fragment 28 are provided with the outer surface for protecting sliding sleeve; in their free-end; it is each provided with the preceding shell fragment convex body 271 and rear shell fragment convex body 281 to inner process; the preceding shell fragment convex body 271 and rear shell fragment convex body 281 can be embedded in blade aperture 11, prevent from coming off in outside protection sliding sleeve 2 to fix blade 1.After handle of a knife head enters protection sliding sleeve 2, forward and backward shell fragment convex body 271,281 jack-up are successively departed from into blade aperture 11, blade 1 is fixed on handle of a knife head 31.The material of sliding sleeve 2 is protected, can be plastics, the various materials such as metal, with resistant to the sterilising, transparent is preferred.Please continue to refer to Fig. 8, Fig. 9, Figure 10, Figure 11, the front end of handle of a knife 3 is handle of a knife head 31, there is fixing groove 32 in its both sides, handle of a knife head 31 extends rearwardly to form handle of a knife transverse axis 34, after transverse axis 34 immediately handle of a knife head 31, it is blade tailstock 35 to have a recessed gap, as described above, handle of a knife head 31, fixing groove 32 and blade tailstock 35 on handle of a knife 3 respectively with the blade aperture 11 on blade 1 and Size, the form of blade tail end 12 match and coincide, and can be set to fixed blade 1 on handle of a knife 3, on the transverse axis 34 after blade tailstock 35 has several stop recessed 36, and transverse axis dorsal part 342 can be set in the dorsal surface of handle of a knife 3.When such as the design principle of the present invention is applied on disposable safety scalpel; a stop hole 39 being set on its transverse axis 34 more in the front of all stop recessed 36; just it can make protection sliding sleeve 2 after whole blade 1 is finally wrapped up, be installed with this scalpel foremost.Being erected in the upper and lower of transverse axis 34 has the longitudinal axis 33.Longitudinal and transverse axle 33,34 and the longitudinal and transverse chute 21 in protection sliding sleeve 2,22 close fits on handle of a knife 3, enable entirely to protect sliding sleeve 2 firmly to stretch, slide on handle of a knife 3, blade 1 are wrapped in the blade layer 23 in protection sliding sleeve 2;Handle of a knife afterbody 38 can be similar with traditional handle of a knife, also can be with the scale for surveying length;The materials of handle of a knife 3 can be usual stainless steel and other metal materials, or disposable various materials.
The present invention on the above-mentioned various knife handle with wider handle body in addition to using, it can also implement on the knife handle with slender neck, Figure 12 13 is exactly No. 7 embodiments of knife handle 3 ' that the present invention is used in the operation of deep chamber, and the slender neck 37 of knife handle 3 ' is a part for transverse axis 34.And the longitudinal axis 33 is then divided into the two parts not waited not to be placed in the upper and lower of transverse axis 34 as the two ends of slender neck 37, so sliding sleeve 2 is protected successfully to cross over slender neck 37, firmly in the upper telescopic slide of handle of a knife 3 '.
Constructed according to the design of the invention described above; before the start of the surgery; required specification is selected to be cased with the blade 1 of corresponding protection sliding sleeve 2 first; make the vertical runner 21 in protection sliding sleeve 2; sideslip groove 22 is respectively along the longitudinal axis 33; transverse axis 34 is linked on handle of a knife 3, after the prompting locking of locking plate 26, waits to be used.When being carried out when performing the operation, the visual field of operator is in the case where that need not leave operative region, pick the scalpel that blade 1 is completely wrapped, and sliding sleeve handle 25 can be promoted according to the depth one hand of feed, the length of selection exposure blade 13, also effectively prevent while procedure efficiency is improved and cuts Hinder, the malpractice such as infection.After the completion of operation, disposable safety scalpel in this way, then further before sliding set handle 25, locking plate 26 thereon is fastened in stop hole 39, focused on after locking;Such as use the knife handle of Reusability; it will then be pushed away before sliding sleeve 2; handle of a knife head 31 is pushed away together after chimeric blade 1; now blade 1 is completely wrapped; being entrenched in protection sliding sleeve 2 to come off; the contact of gatherer and contaminated blade 1 are avoided, also makes the processing of such dangerous sharp instrument safer, it is easier to.Traditional approach thoroughly cleaning can be used by unloading the handle of a knife 3 after blade 1 and protection sliding sleeve 2, be used again after sterilization.It is not only economical but also practical with the blade 1 of the applicable a variety of different sizes of same handle of a knife 3 and protection sliding sleeve 2;Both traditional advantage had been developed, the theory of modern safety working environment is also embodied.
Equally, constructed according to the design of the invention described above, the blade 1 of all size model can be placed in corresponding protection sliding sleeve 2, the protection sliding sleeve of a knife blade be constituted, for choosing.Industrial applicibility:
Above-mentioned is the design of protection shift sleeve structure and operating principle of scalpel and knife blade that the present invention has protection sliding sleeve; all similar safety-type handle of a knife, protection sliding sleeve and scalpels of being designed with design of the invention, principle ought to belong to protection scope of the present invention.

Claims (10)

  1. Claim
    1st, it is a kind of that there is the scalpel for protecting sliding sleeve, it is made up of blade, protection sliding sleeve and handle of a knife, it is characterised in that:Protection sliding sleeve is coated on outside handle of a knife; by the vertical runner in it and sideslip groove respectively with the longitudinal axis on handle of a knife, the close fit of transverse axis; slid before and after enabling the protection sliding sleeve on handle of a knife; installation of the blade on handle of a knife head is completed to fix; the blade lengths appeared needed for regulation and locking; blade is completely encapsulated in the blade layer in protection sliding sleeve, still handle of a knife is unloaded to by the protection sliding sleeve that parcel solid lock has blade.
    2nd, scalpel according to claim 1, it is characterised in that:The protection sliding sleeve is provided with cross one another vertical runner and sideslip groove and the blade communicated with sideslip groove layer;Insertion, opening before and after the vertical runner and sideslip groove;Protection sliding sleeve tail surface has the sliding sleeve handle of a protuberance, can have a locking plate in the sliding sleeve handle center, back surface is totally-enclosed, can also offer the breach with longitudinal and transverse chute insertion.
    3rd, scalpel according to claim 1, it is characterised in that:The blade layer front end of the protection sliding sleeve is opened, back-end closure;Pair the scalpel of blade Reusability handle of a knife can be loaded and unloaded, blade layer afterbody bottom surface has a upward inclined plane;The inclined plane can be not provided with to disposable scalpel.
    4th, scalpel according to claim 1, it is characterised in that:Three sides free preceding shell fragment and rear shell fragment are provided with the protection sliding sleeve, above-mentioned forward and backward shell fragment has the forward and backward shell fragment convex body that is embedded in the blade aperture of blade in raised to blade layer respectively.
    5th, scalpel according to claim 1, it is characterised in that:The handle of a knife head extends rearwardly to form transverse axis on handle of a knife, matches between handle of a knife head and transverse axis with one with blade tail end Blade tailstock, the longitudinal axis is provided with the upper and lower of the transverse axis.
    6th, scalpel according to claim 5, it is characterised in that:The longitudinal axis on the handle of a knife is divided into spaced two parts, a part is formed the venturi portion of handle of a knife without the transverse axis that the longitudinal axis is connected, forms the handle of a knife for being applied to deep chamber operation.
    7th, the scalpel according to claim 2,3,4,5 or 6, it is characterised in that:Can be set on the transverse axis of the handle of a knife has stop recessed, can also set up a stop hole.
    8th, the protection sliding sleeve of a kind of knife blade, it is characterised in that:The protection sliding sleeve have intersect, front and rear insertion open longitudinal and transverse chute and communicated with sideslip groove and can be equipped with blade blade layer;Blade layer front end Jian is put, back-end closure, and afterbody bottom surface has a upward inclined plane;It is provided with outer surface to prominent, the forward and backward shell fragment convex body stretched into the blade aperture of blade of blade layer.
    9th, the protection sliding sleeve of knife blade according to claim 8, it is characterised in that:The protection sliding sleeve tail surface has the sliding sleeve handle of a protuberance.
    10th, the protection sliding sleeve of knife blade according to claim 8 or claim 9, it is characterised in that:Guarantor's sliding sleeve back surface can be totally-enclosed, can also offer the breach with longitudinal and transverse chute insertion.
CNB038117401A 2002-05-27 2003-05-22 Protective sheath for surgical knife and blade with protective slide sleeve Expired - Fee Related CN100403994C (en)

Applications Claiming Priority (5)

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

Publications (2)

Publication Number Publication Date
CN1655727A true CN1655727A (en) 2005-08-17
CN100403994C CN100403994C (en) 2008-07-23

Family

ID=29585127

Family Applications (3)

Application Number Title Priority Date Filing Date
CN 02111852 Pending CN1382423A (en) 2002-05-27 2002-05-27 Surgical knife with protecting slide sleeve
CN 03115005 Pending CN1446520A (en) 2002-05-27 2003-01-21 Protection sliding sleeve for surgical knife blade
CNB038117401A Expired - Fee Related CN100403994C (en) 2002-05-27 2003-05-22 Protective sheath for surgical knife and blade with protective slide sleeve

Family Applications Before (2)

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

Country Status (3)

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

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CN101617951B (en) * 2008-07-03 2012-08-29 钱倚天 Surgical knife with protective sliding sleeve

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US7022128B2 (en) 2003-04-22 2006-04-04 Becton, Dickinson And Company Surgical knife safety handle
TW200509851A (en) 2003-04-22 2005-03-16 Becton Dickinson Co Surgical knife safety handle
TWI369970B (en) 2004-10-20 2012-08-11 Beaver Visitec Int Us Inc Surgical knife safety handle having user operable lock
US8464430B2 (en) 2008-02-07 2013-06-18 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
CN101642383B (en) * 2009-08-20 2010-12-29 苏州施莱医疗器械有限公司 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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US5411512A (en) * 1992-01-24 1995-05-02 Leonard Bloom Guarded surgical scalpel
US5250063A (en) * 1992-01-24 1993-10-05 Leonard Bloom Surgical scalpel with retractable guard
US5292329A (en) * 1992-12-04 1994-03-08 Werner Richard S Retractable surgical knife
CN1095258A (en) * 1993-05-14 1994-11-23 布鲁斯·德伯希尔 Scalpel
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AU712212B3 (en) * 1999-07-15 1999-10-28 Occupational & Medical Innovations Ltd A surgical scalpel with retractable guard

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* 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

Also Published As

Publication number Publication date
CN1382423A (en) 2002-12-04
CN100403994C (en) 2008-07-23
AU2003242151A1 (en) 2003-12-12
WO2003099145A1 (en) 2003-12-04
CN1446520A (en) 2003-10-08

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