CN108236488A - Anti-slip type surgical knife - Google Patents
Anti-slip type surgical knife Download PDFInfo
- Publication number
- CN108236488A CN108236488A CN201611204190.4A CN201611204190A CN108236488A CN 108236488 A CN108236488 A CN 108236488A CN 201611204190 A CN201611204190 A CN 201611204190A CN 108236488 A CN108236488 A CN 108236488A
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- Prior art keywords
- blade
- parts
- knife
- conduit
- carbide
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- 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
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/028—Other inorganic materials not covered by A61L31/022 - A61L31/026
-
- 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
- A61B2017/32116—Surgical scalpels, knives; Accessories therefor with means for improving the rigidity of the blade, e.g. with a reinforcing rib
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention discloses a kind of anti-slip type surgical knife, including：Blade, bar shaped handle of a knife, Step 1: processing will be crushed in 3 ~ 4 parts of 50 ~ 60 parts of ultrafine tungsten carbide, 12 ~ 20 parts of strontium titanates, 8 ~ 10 parts of titanium carbide, 6 ~ 8 parts of chromium carbide, 4 ~ 8 parts of molybdenum disilicide, 7 ~ 9 parts of titanium nitride, vanadium carbide 1 ~ 2 and graphite powder input pulverizers, the mixed-powder that diameter is less than 20 microns is formed；850 DEG C are heated to Step 2: mixed-powder made from step 1 is placed in vacuum condition, is heated 4 hours, 4 ~ 6 parts of phenolic resin is then added in and stirs, mixture postcooling is made；Step 3: carrying out molding compacting to mixture by forcing press forms green compact；Step 4: green compact placement sintering furnace is sintered to form blade blank.Multifunctional bistoury of the present invention makes the edge of a knife sharper, and encountering hard tissue can also easily cut very much, and blade is quite sharp, and high intensity is not easy to be bent.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of anti-slip type surgical knifes.
Background technology
Scalpel is the indispensable tool for carrying out surgical operation, and safety is heavy to closing for operator and sufferer
It will.Usually there are two types of types for previous traditional operation knife：One kind is modeling handle scalpel, and another kind is steel handle scalpel.Mould handle operation
Knife is mainly made of disposable blade and disposable modeling handle, and modeling handle forepart is equipped with blade bearing, and blade is mounted on
On blade bearing.Steel handle scalpel is mainly made of disposable blade and the non-disposable steel handle used, is needed before use
Blade is installed on handle of a knife, is removed blade from handle of a knife after use；The prior art exists to be difficult to avoid that in use
The problem of shaking, loosening, it is also possible to it can come off under external force or so there is a situation where cutter head, it is dangerous high.
Invention content
The present invention provides a kind of anti-slip type surgical knife, this anti-slip type surgical knife makes the edge of a knife sharper, encounters
Hard tissue can also easily be cut very much, and blade is quite sharp, and high intensity is not easy to be bent.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of anti-slip type surgical knife, including：Blade,
Bar shaped handle of a knife, one end of the blade is blade, and the other end is plug division, and the bar shaped handle of a knife front end has to be embedded in for plug division
Jack；The knife edge and blade lengths of the blade；
Several holes of sucking blood are provided on the blade, this hole of sucking blood is by dividing conduit to be connected with collector tube, this collector tube is by arriving
Conduit is connected to imbibition interface, described that conduit is divided to be located in blade with collector tube；
The knife edge has several spaced sawtooth cutting edges, and a noose for being sleeved on hand is installed on the item
The rear portion of shape handle of a knife；
The blade is obtained by following steps：
Step 1: by 50 ~ 60 parts of ultrafine tungsten carbide, 12 ~ 20 parts of strontium titanates, 8 ~ 10 parts of titanium carbide, 6 ~ 8 parts of chromium carbide, two silicon
Change 4 ~ 8 parts of molybdenum, 7 ~ 9 parts of titanium nitride, processing is crushed in 3 ~ 4 parts of input pulverizers of vanadium carbide 1 ~ 2 and graphite powder, formation diameter
Mixed-powder less than 20 microns；
850 DEG C are heated to Step 2: mixed-powder made from step 1 is placed in vacuum condition, heats 4 hours, then adds in
4 ~ 6 parts of phenolic resin stirs, and mixture postcooling is made；
Step 3: carrying out molding compacting to mixture by forcing press forms green compact；
Step 4: green compact placement sintering furnace is sintered to form blade blank, it is as follows：
Step 4-1,260 DEG C are first warming up to, then 500 DEG C are warming up to 4 ~ 6 DEG C per hour of rate, keeps the temperature 1 ~ 2 hour, this rank
Duan Caiyong vacuum conditions are sintered；
Step 4-2,1260 DEG C are warming up to 8 ~ 12 DEG C per hour of rate again, keep the temperature 1 ~ 2 hour, this stage atmosphere for argon gas and
The mixed gas that nitrogen is formed, sintering pressure at this time is 6Mpa；
Step 4-3,1380 DEG C being warming up to 2 ~ 4 DEG C per hour of rate again, keeps the temperature 1 ~ 2 hour, this stage atmosphere is argon gas, this
When sintering pressure be 4Mpa；
Step 4-4, furnace cooling；
Step 5: carrying out fine grinding to blade blank, load opens cutting edge of a knife or a sword and grinding process forms preliminary blade；
It is handled Step 6: the preliminary blade of step 5 is carried out liquid nitrogen deep so as to obtain the blade.
Further improved technical solution is as follows in above-mentioned technical proposal：
Preferably, the section of the bar shaped handle of a knife is circle.
Preferably, the knife edge of the blade is 75 ° or 78 ° with blade lengths angular separation.
Preferably, first conduit of the conduit by being located in blade and the second conduit in bar shaped handle of a knife penetrate through
Composition.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1st, anti-slip type surgical knife of the present invention, use 50 ~ 60 parts of ultrafine tungsten carbide, 12 ~ 20 parts of strontium titanates, titanium carbide 8 ~
1 ~ 2 part of 10 parts, 6 ~ 8 parts of chromium carbide, 4 ~ 8 parts of molybdenum disilicide, 7 ~ 9 parts of titanium nitride and vanadium carbide are sintered so that scalpel
Blade possesses the hardness of superelevation, and opens that the blade after cutting edge of a knife or a sword is quite sharp, and high intensity is not easy to be bent；It is sintered
Process three phases pressure is sequentially switched to high-pressure sinter by vacuum, sub-high pressure is sintered, and with the switching of specific components atmosphere, has
It is precipitated conducive to carbide dispersion, and then makes the material tissue of blade even closer, increase bending strength and chipping resistance；Again
Secondary, mixed-powder, which is placed in vacuum condition, is heated to 850 DEG C, heats 4 hours, then adds in 4 ~ 6 parts of phenolic resin and fully stirs
It mixes uniformly, is conducive to improve wearability.
2nd, anti-slip type surgical knife of the present invention is provided with several holes of sucking blood on blade, this hole of sucking blood is by dividing conduit
It being connected with collector tube, this collector tube is described that conduit is divided to be located in blade with collector tube by being connected to imbibition interface to conduit,
The liquid such as blood or the tissue fluid that notch in surgical procedure constantly overflows can be siphoned away during operation in real time, doctor in operation is facilitated to observe
Wound situation is conducive to improve the precision of operation.
3rd, anti-slip type surgical knife of the present invention, knife edge have several spaced sawtooth cutting edges, make knife
Mouth is sharper, and encountering hard tissue can also easily cut very much, easy to use；Secondly, one is used to be sleeved on noose on hand
The rear portion of the bar shaped handle of a knife is installed on, can prevent scalpel from sliding, it is smooth to avoid bar shaped handle of a knife surface, in surgical procedure
In be easy to slip the defects of, thus greatly reduce malpractice rate.
Description of the drawings
Attached drawing 1 is anti-slip type surgical knife structure diagram of the present invention.
In the figures above：1st, blade；2nd, bar shaped handle of a knife；3rd, blade；4th, plug division；5th, jack；10th, it sucks blood hole；11st, divide and lead
Pipe；12nd, collector tube；13rd, conduit；131st, the first conduit；132nd, the second conduit；14th, imbibition interface；15th, sawtooth cutting edge；16th, it covers
Rope.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment 1 ~ 4：A kind of anti-slip type surgical knife, including：Blade 1, bar shaped handle of a knife 2, one end of the blade 1 is blade
3, the other end is plug division 4, and 2 front end of bar shaped handle of a knife has the jack 5 being embedded in for plug division 4；
Several holes 10 of sucking blood are provided on the blade 3, this hole 10 of sucking blood is by dividing conduit 11 to be connected with collector tube 12, this liquid collecting
Pipe 12 is described that conduit 11 is divided to be located in blade 1 with collector tube 12 by being connected to imbibition interface 14 to conduit 13；
3 edge of blade has several spaced sawtooth cutting edges 15, and a noose 16 for being sleeved on hand is installed on
The rear portion of the bar shaped handle of a knife 2.
The blade 1 is obtained by following steps：
Step 1: by 50 ~ 60 parts of ultrafine tungsten carbide, 12 ~ 20 parts of strontium titanates, 8 ~ 10 parts of titanium carbide, 6 ~ 8 parts of chromium carbide, two silicon
Change 4 ~ 8 parts of molybdenum, 7 ~ 9 parts of titanium nitride, processing is crushed in 3 ~ 4 parts of input pulverizers of vanadium carbide 1 ~ 2 and graphite powder, formation diameter
Mixed-powder less than 20 microns；It is specifically made of following parts by weight of component, as shown in table 1：
Table 1
850 DEG C are heated to Step 2: mixed-powder made from step 1 is placed in vacuum condition, heats 4 hours, then adds in
4 ~ 6 parts of phenolic resin stirs, and mixture postcooling is made；
Step 3: carrying out molding compacting to mixture by forcing press forms green compact；
Step 4: green compact placement sintering furnace is sintered to form blade blank, it is as follows：
Step 4-1,260 DEG C are first warming up to, then 500 DEG C are warming up to 4 ~ 6 DEG C per hour of rate, keeps the temperature 1 ~ 2 hour, this rank
Duan Caiyong vacuum conditions are sintered；
Step 4-2,1260 DEG C are warming up to 8 ~ 12 DEG C per hour of rate again, keep the temperature 1 ~ 2 hour, this stage atmosphere for argon gas and
The mixed gas that nitrogen is formed, sintering pressure at this time is 6Mpa；
Step 4-3,1380 DEG C being warming up to 2 ~ 4 DEG C per hour of rate again, keeps the temperature 1 ~ 2 hour, this stage atmosphere is argon gas, this
When sintering pressure be 4Mpa；
Step 4-4, furnace cooling；
Step 5: carrying out fine grinding to blade blank, load opens cutting edge of a knife or a sword and grinding process forms preliminary blade；
It is handled Step 6: the preliminary blade of step 5 is carried out liquid nitrogen deep so as to obtain the blade 1.
The section of above-mentioned bar shaped handle of a knife 2 is circle；3 edge of blade of insert 1 is with 1 length direction angle of blade
78°。
First conduit 131 of the above-mentioned conduit 13 by being located in blade 1 and the second conduit 132 in bar shaped handle of a knife 2 pass through
Logical composition.
3 edge of blade of insert 1 and 1 length direction angle of blade are 75 °；Above-mentioned conduit 13 is by being located in blade 1
The first conduit 131 and in bar shaped handle of a knife 2 the second conduit 132 perforation composition.
During using above-mentioned anti-slip type surgical knife, the blade of scalpel is caused to possess the hardness of superelevation, and open cutting edge of a knife or a sword
Blade afterwards is quite sharp, and high intensity is not easy to be bent；Its sintering process three phases pressure by vacuum successively
High-pressure sinter, sub-high pressure sintering are switched to, and with the switching of specific components atmosphere, is conducive to carbide dispersion precipitation, and then make
The material tissue of blade is even closer, increases bending strength and chipping resistance and is conducive to improve wearability；It is opened on its blade
There are several holes of sucking blood, by the way that conduit is divided to be connected with collector tube, this collector tube connects by being connected to imbibition to conduit in this hole of sucking blood
Mouthful, it is described that conduit is divided to be located in blade with collector tube, the blood that notch in surgical procedure constantly overflows can be siphoned away in real time when performing the operation
The liquid such as liquid or tissue fluid facilitate doctor in operation to observe wound situation, are conducive to improve the precision of operation；Secondly, make knife
Mouth is sharper, and encountering hard tissue can also easily cut very much, easy to use, can prevent scalpel from sliding, avoid item
Shape handle of a knife surface is smooth, the defects of being easy to slip in surgical procedure, thus greatly reduces malpractice rate.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of anti-slip type surgical knife, it is characterised in that：Including：Blade（1）, bar shaped handle of a knife（2）, the blade（1）'s
One end is blade（3）, the other end is plug division（4）, the bar shaped handle of a knife（2）Front end has for plug division（4）Embedded jack
（5）；
The blade（3）On be provided with several holes of sucking blood（10）, this hole of sucking blood（10）By dividing conduit（11）With collector tube（12）
Connection, this collector tube（12）By arriving conduit（13）It is connected to imbibition interface（14）, it is described to divide conduit（11）With collector tube（12）
Positioned at blade（1）It is interior；
The blade（3）Edge has several spaced sawtooth cutting edges（15）, one is used to be sleeved on noose on hand（16）
It is installed on the bar shaped handle of a knife（2）Rear portion；
The blade（1）It is obtained by following steps：
Step 1: by 50 ~ 60 parts of ultrafine tungsten carbide, 12 ~ 20 parts of strontium titanates, 8 ~ 10 parts of titanium carbide, 6 ~ 8 parts of chromium carbide, two silicon
Change 4 ~ 8 parts of molybdenum, 7 ~ 9 parts of titanium nitride, processing is crushed in 3 ~ 4 parts of input pulverizers of vanadium carbide 1 ~ 2 and graphite powder, formation diameter
Mixed-powder less than 20 microns；
850 DEG C are heated to Step 2: mixed-powder made from step 1 is placed in vacuum condition, heats 4 hours, then adds in
4 ~ 6 parts of phenolic resin stirs, and mixture postcooling is made；
Step 3: carrying out molding compacting to mixture by forcing press forms green compact；
Step 4: green compact placement sintering furnace is sintered to form blade blank, it is as follows：
Step 4-1,260 DEG C are first warming up to, then 500 DEG C are warming up to 4 ~ 6 DEG C per hour of rate, keeps the temperature 1 ~ 2 hour, this rank
Duan Caiyong vacuum conditions are sintered；
Step 4-2,1260 DEG C are warming up to 8 ~ 12 DEG C per hour of rate again, keep the temperature 1 ~ 2 hour, this stage atmosphere for argon gas and
The mixed gas that nitrogen is formed, sintering pressure at this time is 6Mpa；
Step 4-3,1380 DEG C being warming up to 2 ~ 4 DEG C per hour of rate again, keeps the temperature 1 ~ 2 hour, this stage atmosphere is argon gas, this
When sintering pressure be 4Mpa；
Step 4-4, furnace cooling；
Step 5: carrying out fine grinding to blade blank, load opens cutting edge of a knife or a sword and grinding process forms preliminary blade；
It is handled Step 6: the preliminary blade of step 5 is carried out liquid nitrogen deep so as to obtain the blade（1）.
2. anti-slip type surgical knife according to claim 1, it is characterised in that：The bar shaped handle of a knife（2）Section be
It is round.
3. anti-slip type surgical knife according to claim 1, it is characterised in that：The blade（1）Blade（3）Edge
With blade（1）Length direction angle is 75 ° or 78 °.
4. anti-slip type surgical knife according to claim 1, it is characterised in that：The conduit（13）By being located at blade
（1）The first interior conduit（131）With positioned at bar shaped handle of a knife（2）The second interior conduit（132）Perforation composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204190.4A CN108236488A (en) | 2016-12-23 | 2016-12-23 | Anti-slip type surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204190.4A CN108236488A (en) | 2016-12-23 | 2016-12-23 | Anti-slip type surgical knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108236488A true CN108236488A (en) | 2018-07-03 |
Family
ID=62703856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611204190.4A Pending CN108236488A (en) | 2016-12-23 | 2016-12-23 | Anti-slip type surgical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108236488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478259A (en) * | 2018-05-01 | 2018-09-04 | 雷霆 | A kind of combined type durable type scalpel and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458588U (en) * | 2012-02-20 | 2012-10-03 | 佳木斯大学 | Adjustable scalpel |
| US20130079804A1 (en) * | 2011-09-23 | 2013-03-28 | Trevor John Milton | Scalpel blade safety accessory |
| DE202013105085U1 (en) * | 2013-11-12 | 2013-11-29 | Wang Kang | An adjustable scalpel |
| EP2732780A1 (en) * | 2012-11-16 | 2014-05-21 | Paramount Surgimed Ltd. | Retractable universal safety scalpel |
| CN103976775A (en) * | 2014-05-21 | 2014-08-13 | 昆山科森科技股份有限公司 | Process for manufacturing surgical knife |
| CN203790003U (en) * | 2014-01-22 | 2014-08-27 | 鹿向东 | Lighting scalpel with suction tube for neurosurgery |
| CN203790002U (en) * | 2013-11-30 | 2014-08-27 | 成都恒瑞制药有限公司 | Novel scalpel |
| CN104958089A (en) * | 2011-12-26 | 2015-10-07 | 昆山科森科技股份有限公司 | Minimally-invasive surgical scalpel achieving low trauma function |
-
2016
- 2016-12-23 CN CN201611204190.4A patent/CN108236488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130079804A1 (en) * | 2011-09-23 | 2013-03-28 | Trevor John Milton | Scalpel blade safety accessory |
| CN104958089A (en) * | 2011-12-26 | 2015-10-07 | 昆山科森科技股份有限公司 | Minimally-invasive surgical scalpel achieving low trauma function |
| CN202458588U (en) * | 2012-02-20 | 2012-10-03 | 佳木斯大学 | Adjustable scalpel |
| EP2732780A1 (en) * | 2012-11-16 | 2014-05-21 | Paramount Surgimed Ltd. | Retractable universal safety scalpel |
| DE202013105085U1 (en) * | 2013-11-12 | 2013-11-29 | Wang Kang | An adjustable scalpel |
| CN203790002U (en) * | 2013-11-30 | 2014-08-27 | 成都恒瑞制药有限公司 | Novel scalpel |
| CN203790003U (en) * | 2014-01-22 | 2014-08-27 | 鹿向东 | Lighting scalpel with suction tube for neurosurgery |
| CN103976775A (en) * | 2014-05-21 | 2014-08-13 | 昆山科森科技股份有限公司 | Process for manufacturing surgical knife |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478259A (en) * | 2018-05-01 | 2018-09-04 | 雷霆 | A kind of combined type durable type scalpel and preparation method thereof |
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Application publication date: 20180703 |
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