CN107184251A - Disposable safe multipurpose operation knife - Google Patents
Disposable safe multipurpose operation knife Download PDFInfo
- Publication number
- CN107184251A CN107184251A CN201710581370.2A CN201710581370A CN107184251A CN 107184251 A CN107184251 A CN 107184251A CN 201710581370 A CN201710581370 A CN 201710581370A CN 107184251 A CN107184251 A CN 107184251A
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- China
- Prior art keywords
- knife
- inner core
- handle
- blade
- button
- 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.)
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Classifications
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0467—Instruments for cutting sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (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)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
Disposable safe multipurpose operation of the present invention is related to a kind of disposable surgical knife with knife, and the safety of the retractable blade length manufactured in particular with its internal structure is with operation knife.Including blade, inner core, handle of a knife and spring, in the middle part of inner core to afterbody it is sequentially provided with inner core and goes out knife lock, inner core and return sword lock and inner core button, inner core button is arranged on inner core afterbody；Limit card block is assembled provided with blade in inner core end, blade postmedian is provided with blade fitting recess, and blade assembling limit card block card is inserted in blade fitting recess；Spring, which is plugged in, to be arranged on the Spring connector plug at inner core rear portion；Top edge in handle of a knife front end is provided with button of returning sword；At button rear portion of returning sword provided with locating notch；Spacing edge-cut is provided with handle of a knife afterbody lower edge；Handle of a knife inner tank mouths are provided with handle of a knife afterbody；Graduated scale is equipped with handle of a knife rear portion both sides of the edge.The present invention is simple in construction, using safe, easy to operate, and scalpel entire length is short, is easy to deposit and packs.
Description
Technical field
Disposable safe multipurpose operation of the present invention is related to a kind of disposable surgical knife with knife, in particular with its internal junction
The safety for the retractable blade length made is configured with operation knife.
Background technology
Since contemporary surgery occurs, scalpel is always most important indispensable basic work in medicine equipment
Tool.From the angle of practical application, the scalpel that current China uses is to carry out group by medical personnel before surgery by blade, handle of a knife
Used after dress.
In actual use, there is following defect in discovery with existing scalpel：
1）Simultaneously there is the risk hurted sb.'s feelings and dropped in installation and removal troublesome poeration；
2）It can not store safely；
3）Medical worker is easily scratched during being transmitted between medical worker；
4）Handle disinfection cost is high and pollutes environment；
5）Function is single（The function of only cutting）.
Existing Application No. 201510510000.0, Publication No. 105125260A patent of invention discloses one kind
First use safe operating knife, including blade, handle of a knife and broach shell, broach shell are formed by connecting by the two pieces of protective matched make-ups,
The sliding seat that can be slid back and forth along protective is equipped with the cavity that handle of a knife is arranged in the rear end of broach shell, broach shell, is protected
The front end of body, which is left, can hold the slit of blade stretching, and the front end side of sliding seat is provided with correspondence on swaging clamp projection, the blade and set
There is blocked hole, blade is connected on swaging clamp projection through the blocked hole；Top on any protective positioned at the cavity is provided with
Some teeth groove, the teeth groove is distributed along broach shell length direction, and elastic plate is correspondingly provided with sliding seat, and the tail end of elastic plate is provided with tooth
Shape is raised, and toothed projections are corresponding with the teeth groove, is connected with pressing handle in the middle part of elastic plate, and the pressing handle is from broach shell
Stretched out in the elongated slot of upside；The tail end of sliding seat is provided with elastic gib head, and elastic gib head extends to the protective direction of side, correspondence
Protective be provided with locked fixture block, the rear end of elastic gib head towards handle of a knife is wedge shaped, backward during pushing handle, elastic hook
Head can cross locked fixture block and hook the rear side of the locked fixture block.It is disadvantageous in that：1st, it can still go out during use
Medical worker is accidentally injured in existing transmittance process；2nd, still occur pushing the wrong and scalpel can be caused locked during use, influence is performed the operation
Process, be delayed patient therapeutic time；3rd, single scalpel function；4th, surgical procedure is without scale reference.
The content of the invention
The purpose of the present invention is to provide a kind of disposable safe multipurpose operation knife for above-mentioned weak point, from operation
Security and convenience that knife is used, versatility angle are started with and above-mentioned prior art are improved, and realized measurement, shearing, are received
The function such as receive.
The present invention takes following technical scheme to realize：
The operation of disposable safe multipurpose includes blade, inner core, handle of a knife and spring with knife, is sequentially provided with the middle part of inner core to afterbody
Inner core goes out knife lock, inner core and returned sword lock and inner core button, and inner core button is arranged on inner core afterbody；Blade is provided with inner core end
Limit card block is assembled, blade postmedian is provided with blade fitting recess, and blade assembling limit card block card is inserted in blade fitting recess, by knife
Piece is relatively fixed in inner core end；Spring, which is plugged in, to be arranged on the Spring connector plug at inner core rear portion；
Top edge in handle of a knife front end is provided with button of returning sword；At button rear portion of returning sword provided with locating notch, for clamping inner core
Return sword lock, so as to limit inner core extended position；Spacing edge-cut is provided with handle of a knife afterbody lower edge, it is initial for limiting inner core button
Position；Handle of a knife inner tank mouths are provided with handle of a knife afterbody, for blocking inner core positioning fastener in inner core initial position；
Graduated scale is equipped with handle of a knife rear portion both sides of the edge, is 0 close to the scale of handle of a knife tail edge, the scale of graduated scale is from knife
Handle tail is incremented by handle of a knife middle part；
The handle of a knife is symmetrical part, and inner core mounting groove is provided with handle of a knife rear portion inner edge, and inner core is inserted by inner core mounting groove
Enter handle of a knife；The spacing edge-cut of the inner core button and handle of a knife afterbody of inner core afterbody offsets；When inner core is located at initial position, blade is received in
In handle of a knife, inner core positioning fastener is stuck in the handle of a knife inner tank mouths left side, is relatively fixed position of the inner core in handle of a knife.
Scissors groove is provided with the end of handle of a knife, line can be put into scissors groove, inner core is pressed when suture needle subtracts line
Button, the cutter head of blade sharper stretches out from scissors groove, cuts line replace surgical scissors function rapidly.
Blade assembling limit card block is fixedly installed on inner core end, can use hot melting way.
The scale for the side graduated scale being arranged on handle of a knife is English system, and the scale of opposite side graduated scale is metric system.
The position that correspondence spring is installed in handle of a knife bottom is additionally provided with spring mounting groove, facilitates the installation of spring.
Gripped reliably to be further ensured that, if the handle of a knife is high polymer material environmental protection and upper and lower side is equal provided with arterial highway
Capable anti-skidding raised line, handle of a knife outer surface is all handled using frosted increases the roughness on surface.
As a further improvement on the present invention, scalpel global design thickness is 3 ~ 15mm, will not be hidden in operation
Keep off sight.
The present invention inserts spring after spring mounting groove when producing assembling, and inner core is inserted into knife by inner core mounting groove
Handle, until the spacing edge-cut of the inner core button and handle of a knife afterbody of inner core afterbody offsets, in cushion socket insertion spring；Inner core is located at
During initial position, blade is received in handle of a knife, while inner core positioning fastener offsets with the handle of a knife inner tank mouths left side so that inner core position exists
It is relatively fixed in handle of a knife.
The present invention is in use, possess three kinds of states：
1st, safe storage configuration, blade is in handle of a knife, and inner core positioning fastener offsets with handle of a knife inner tank mouths so that inner core position is in knife
It is relatively fixed in handle, inner core realizes that self-locking device is fixed；
2nd, scalpel use state, when pressing and promoting inner core button, spring stress shrinks, and inner core positioning fastener departs from handle of a knife
The handle of a knife inner tank mouths left side, inner core lock of returning sword moves to the right and is stuck in the locating notch position of handle of a knife, and now blade is to handle of a knife head
Portion is stretched out；Thumb and middle finger are clamped handle of a knife by operator, and button of returning sword is pressed with forefinger, and button snap of now returning sword is in spacing neck
On, inner core is fixed on inner core and goes out cutter position, inner core is returned sword to latch and is separated with locating notch；, will be by when needing to withdraw on knife
The forefinger of button of firmly returning sword unclamps, and button of returning sword unclamps upwards, while spring relaxation, and inner core is automatic toward pulling back, and blade follows receipts
Return in handle of a knife, the spacing edge-cut of handle of a knife rear end blocks inner core button, inner core will not be made excessively to withdraw；So as to realize the stretching of blade
And retraction.
In use, when passing to others after user is finished, the button of returning sword that forefinger is pinned is unclamped, by knife
Piece is withdrawn in handle of a knife, will not accidentally injure other people.
3rd, surgical scissors state, the line that will be cut using handle of a knife front end scissors groove is put into scissors groove, is pressed interior
Core button makes blade stretch out i.e. achievable surgical scissors function out of scissors groove, convenient and safe.
Multipurpose safety scalpel of the invention disposable, simple in construction, using safe, easy to operate, scalpel is integrally long
Degree is short, is easy to deposit and packs；Inner core button need to be only pressed during using operation, blade stretches out from handle of a knife front end and by inner core and knife
The stopping means of handle fixes blade position, can be performed the operation, operation terminate to press return sword button can retracting blade, operation is
It is safe and reliable and simple and convenient.Scissors groove is provided with handle of a knife front position in addition, line can be put into and cut when suture needle subtracts line
In knife groove, inner core button is pressed, cutter head stretches out rapidly to cut line from scissors groove replaces surgical scissors function.Handle of a knife has
Scale marker is held to size when can conveniently perform the operation and required.
Brief description of the drawings
Fig. 1 is structural representation Fig. 1 of scalpel of the present invention；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is structural representation Fig. 2 of scalpel of the present invention；
Fig. 4 is the front section view of scalpel of the present invention；
Fig. 5 is structural representation Fig. 3 of scalpel of the present invention；
Fig. 6 is the quick-fried photograph scheme of installation of core arrangement of the present invention；
Fig. 7 is Knife handle structure front view of the present invention；
Fig. 8 is Knife handle structure rearview of the present invention；
Wherein：1st, blade, 2, handle of a knife, 2-1, button of returning sword, 2-2, handle of a knife inner tank mouths, 2-3, spacing edge-cut, 2-4, graduated scale, 2-
5th, locating notch, 3, inner core, 3-1, inner core are returned sword lock, 3-2, inner core positioning fastener, 3-3, inner core button, 3-4, blade assembling
Limit card block, 3-5, spacing neck, 3-6, blade fitting recess, 4, spring, 4-1, Spring connector plug, 5, scissors groove.
Embodiment
Referring to the drawings 1 ~ 8, disposable safe multipurpose operation of the present invention includes blade 1, inner core 3, handle of a knife 2 and spring with knife
4, inner core is sequentially provided with the middle part of inner core 3 to afterbody and is returned sword lock 3-1, inner core positioning fastener 3-2 and inner core button 3-3, inner core
Button 3-3 is arranged on the afterbody of inner core 3；Limit card block 3-4 is assembled provided with blade in the end of inner core 3, the postmedian of blade 1 is provided with blade
Fitting recess 3-6, blade assembling limit card block 3-4 cards are inserted in blade fitting recess 3-6, and blade 1 is relatively fixed at the end of inner core 3
Portion；Spring 4, which is plugged in, to be arranged on the Spring connector plug 4-1 at the rear portion of inner core 3；
Top edge in the front end of handle of a knife 2 is provided with the button 2-1 that returns sword；At button 2-1 rear portions of returning sword provided with locating notch 2-5, use
Returned sword in clamping inner core and latch 3-1, so as to limit the extended position of inner core 3；Spacing edge-cut 2-3 is provided with the afterbody lower edge of handle of a knife 2, is used
In restriction inner core button 3-3 initial positions；Handle of a knife inner tank mouths 2-2 is provided with the afterbody of handle of a knife 2, in the initial position of inner core 3
When block inner core positioning fastener 3-2；
Scale 2-4 chis are equipped with the rear portion both sides of the edge of handle of a knife 2, are 0 close to the scale of the tail edge of handle of a knife 2, graduated scale 2-4's
Scale is incremented by from the afterbody of handle of a knife 2 to the middle part of handle of a knife 2；
The handle of a knife 2 is symmetrical part, and inner core mounting groove is provided with the rear portion inner edge of handle of a knife 2, and inner core 3 passes through inner core mounting groove
Insert handle of a knife 2；The inner core button 3-3 of the afterbody of inner core 3 and the afterbody of handle of a knife 2 spacing edge-cut 2-3 offset；Inner core 3 is located at initial bit
When putting, blade 1 is received in handle of a knife 2, and inner core positioning fastener 3-2 is stuck in the handle of a knife inner tank mouths 2-2 left sides, makes inner core 3 in handle of a knife 2
Position is relatively fixed.
Scissors groove 5 is provided with the end of handle of a knife 2, line can be put into scissors groove 5, pressed when suture needle subtracts line
Inner core button 3-3, the sharp cutter head of blade 1 stretches out from scissors groove 5, cuts line replace surgical scissors function rapidly.
Blade assembling limit card block 3-4 is thermally melted in inner core end.
Wherein：1st, blade, 2, handle of a knife, 2-1, button of returning sword, 2-2, handle of a knife inner tank mouths, 2-3, spacing edge-cut, 2-4, scale
Chi, 2-5, locating notch, 3, inner core, 3-1, inner core are returned sword lock, 3-2, inner core positioning fastener, 3-3, inner core button, 3-4, knife
Piece assembles limit card block, 3-5, spacing neck, 3-6, blade fitting recess, 4, spring, 4-1, Spring connector plug, 5, scissors groove.
The scale for the side graduated scale 2-4 being arranged on handle of a knife 2 is English system, and the scale of opposite side graduated scale is metric system.
The position that correspondence spring 4 is installed in the bottom of handle of a knife 2 is additionally provided with spring mounting groove, facilitates the installation of spring.
Pressed during operation and promote inner core button 3-3, the forced contraction of spring 4, when inner core positioning fastener 3-2 bales catch is in knife
I.e. fixed inner core goes out blade extended position on the right side of handle inner tank mouths 2-2.In thumb and middle finger on handle of a knife 2, forefinger press return sword by
Button 2-1 very good inner cores that are stuck in of button 2-1 of now returning sword are returned sword on lock 3-2, and effectively fixing inner core and going out cutter position to go out
Now it is moved forward or rearward.When knife is withdrawn, the button 2-1 that returns sword that forefinger is pinned only need to be unclamped, the button 2-1 that returns sword unclamps upwards
Inner core, which is returned sword, latches 3-1.The inner core 3 of the now stretching of spring 4 forced belt is automatic can to make scalpel 1 automatically retract handle of a knife 2 toward pulling back
It is interior, while now inner core is pulled back by spring by the spacing edge-cut 2-3 of handle of a knife 2 block inner core button carry out it is spacing, prevent in
Core 3 ejects handle of a knife 2.Realization makes scalpel 1 extend and retract two kinds of working conditions with respect to the presentation of the front port of handle of a knife 2.Using
When passing to others after user is finished, blade will not be accidentally injured by people in handle of a knife in journey.In addition in the front position of handle of a knife 2
Provided with scissors groove 5, line can be put into scissors groove 5 when suture needle subtracts line, presses inner core button 3-3, cutter head is from scissors
Groove, which stretches out rapidly to cut line, replaces surgical scissors function.Handle of a knife has graduated scale 2-4 to facilitate when performing the operation to size handle
Hold requirement.
Claims (7)
1. a kind of disposable safe multipurpose operation knife, it is characterised in that：Including blade, inner core, handle of a knife and spring, in inner core
Middle part to afterbody, which is sequentially provided with inner core and goes out knife lock, inner core, returns sword lock and inner core button, and inner core button is arranged on inner core afterbody；
Limit card block is assembled provided with blade in inner core end, blade postmedian is provided with blade fitting recess, and blade assembling limit card block card is inserted
In blade fitting recess, blade is relatively fixed in inner core end；Spring, which is plugged in, to be arranged on the Spring connector plug at inner core rear portion；
Top edge in handle of a knife front end is provided with button of returning sword；At button rear portion of returning sword provided with locating notch, for clamping inner core
Return sword lock, so as to limit inner core extended position；Spacing edge-cut is provided with handle of a knife afterbody lower edge, it is initial for limiting inner core button
Position；Handle of a knife inner tank mouths are provided with handle of a knife afterbody, for blocking inner core positioning fastener in inner core initial position；
Graduated scale is equipped with handle of a knife rear portion both sides of the edge, is 0 close to the scale of handle of a knife tail edge, the scale of graduated scale is from knife
Handle tail is incremented by handle of a knife middle part；
The handle of a knife is symmetrical part, and inner core mounting groove is provided with handle of a knife rear portion inner edge, and inner core is inserted by inner core mounting groove
Enter handle of a knife；The spacing edge-cut of the inner core button and handle of a knife afterbody of inner core afterbody offsets；When inner core is located at initial position, blade is received in
In handle of a knife, inner core positioning fastener is stuck in the handle of a knife inner tank mouths left side, is relatively fixed position of the inner core in handle of a knife.
2. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：It is provided with the end of handle of a knife
Scissors groove.
3. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：Blade assembles limit card block
It is fixedly installed on inner core end.
4. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：It is arranged on one on handle of a knife
The scale of side graduated scale is English system, and the scale of opposite side graduated scale is metric system.
5. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：In handle of a knife bottom correspondence bullet
The position that spring is installed is additionally provided with spring mounting groove, facilitates the installation of spring.
6. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：To be further ensured that gripping
Reliably, the upper and lower side of the handle of a knife is provided with parallel anti-skidding raised line, and handle of a knife outer surface is all using frosted processing increase table
The roughness in face.
7. disposable safe multipurpose operation knife according to claim 1, it is characterised in that：Scalpel global design is thick
Spend for 3 ~ 15mm, sight will not be blocked in operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581370.2A CN107184251B (en) | 2017-07-17 | 2017-07-17 | Disposable safety multipurpose surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581370.2A CN107184251B (en) | 2017-07-17 | 2017-07-17 | Disposable safety multipurpose surgical knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107184251A true CN107184251A (en) | 2017-09-22 |
| CN107184251B CN107184251B (en) | 2023-04-21 |
Family
ID=59882601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710581370.2A Active CN107184251B (en) | 2017-07-17 | 2017-07-17 | Disposable safety multipurpose surgical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107184251B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937832A (en) * | 2018-07-19 | 2018-12-07 | 上海博进凯利泰医疗科技有限公司 | A kind of soft arthroscope auxiliary tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848141Y (en) * | 2005-09-30 | 2006-12-20 | 申屠裕华 | Bile duct opening cutter |
| US20090204137A1 (en) * | 2004-10-22 | 2009-08-13 | Maxwell Timothy J | Safety scalpel |
| US20130158574A1 (en) * | 2010-06-28 | 2013-06-20 | Medipurpose Pte Ltd. | Safety Scalpel |
| CN204971469U (en) * | 2015-07-23 | 2016-01-20 | 厦门医学高等专科学校 | Pocket probing type enclosed type safety operation handle of a knife |
| CN206198010U (en) * | 2016-07-12 | 2017-05-31 | 南京卓策知识产权服务有限公司 | A kind of multifunctional medical scalpel |
-
2017
- 2017-07-17 CN CN201710581370.2A patent/CN107184251B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090204137A1 (en) * | 2004-10-22 | 2009-08-13 | Maxwell Timothy J | Safety scalpel |
| CN2848141Y (en) * | 2005-09-30 | 2006-12-20 | 申屠裕华 | Bile duct opening cutter |
| US20130158574A1 (en) * | 2010-06-28 | 2013-06-20 | Medipurpose Pte Ltd. | Safety Scalpel |
| CN204971469U (en) * | 2015-07-23 | 2016-01-20 | 厦门医学高等专科学校 | Pocket probing type enclosed type safety operation handle of a knife |
| CN206198010U (en) * | 2016-07-12 | 2017-05-31 | 南京卓策知识产权服务有限公司 | A kind of multifunctional medical scalpel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937832A (en) * | 2018-07-19 | 2018-12-07 | 上海博进凯利泰医疗科技有限公司 | A kind of soft arthroscope auxiliary tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107184251B (en) | 2023-04-21 |
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