CN103976775B - Manufacturing process for scalpel - Google Patents
Manufacturing process for scalpel Download PDFInfo
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- CN103976775B CN103976775B CN201410216177.5A CN201410216177A CN103976775B CN 103976775 B CN103976775 B CN 103976775B CN 201410216177 A CN201410216177 A CN 201410216177A CN 103976775 B CN103976775 B CN 103976775B
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- slotting tool
- circular slotting
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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
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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
- A61B2017/00526—Methods of manufacturing
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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
The present invention discloses the manufacture method of a kind of minimally-invasive scalpel, and this manufacture method is based on circular slotting tool, hold-down mechanism, push rod and minimally-invasive scalpel；Circular slotting tool axially parallel offers several First Line grooves, several the second line grooves along it, First Line groove extends in the middle part of circular slotting tool from circular slotting tool end face thus forms several the first elastic blades, and the second line groove extends in the middle part of circular slotting tool from circular slotting tool other end thus forms several the second elastic blades；Comprise the following steps: step one, clamped circular slotting tool after described circular slotting tool forms deformation by hold-down mechanism；Step 2, slotting tool circular after step one deformation is put into the through hole of described outer aluminium pipe sleeve；Step 3, push rod being put into the through hole of described outer aluminium pipe sleeve, after promoting push rod thus driving deformation, circular slotting tool moves.Manufacture method of the present invention its remove small salient point the most glossily, circular slotting tool has certain elastic strength can keep contacting with aluminum pipe inwall at any time and not injure inwall, can remove the small salient point on inwall to the full extent.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of manufacturing process for scalpel.
Background technology
In prior art, general surgery cutter blade is roomy, and normal tissue damage is big, is not suitable for doing Minimally Invasive Surgery.Minimally Invasive Surgery is welcome by patient because wound is little, pain light, it is fast to recover.But due to equipment and the restriction of condition, operation has the highest requirement to doctor.
Passing through long-term processing and find that the outer aluminium pipe sleeve fraction defective of minimally-invasive scalpel remains high always, most cannot meet required precision to process gained part.It is bad that its main cause occurs in extrusion section bar charging, and 0.05MM ~ 0.1MM small salient point often occurs in aluminum agent material inwall, but this phenomenon cannot be improved in aluminum agent operation and cannot avoid salient point.Therefore the yield of product need to could be improved in later process improvement, meet the demand of client.
The outer aluminium pipe sleeve of this minimally-invasive scalpel is due to inwall bore the least (for 5.86MM), and also tolerance and inwall have abnormity, and abnormity the least (special-shaped a width of 0.7MM), and its inwall small salient point cannot be removed by commonsense method at all.After repeatedly distinct methods is attempted, how the most efficiently the small salient point on the inwall having abnormity can be removed, thus to reach required precision, improve the yield of product, become the direction that those skilled in the art make great efforts.
Summary of the invention
The present invention provides a kind of manufacturing process for scalpel, this manufacturing process its remove small salient point the most glossily, circular slotting tool has certain elastic strength can keep contacting with aluminum pipe inwall at any time and not injure inwall, can remove the small salient point on inwall to the full extent, and effect is more preferable；Secondly, this manufacturing process, speed is quite quick, and this activity slotting tool length is not oversize, only need to be put in the long rod of inwall and one disclose and can complete to remove gently.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of manufacturing process for scalpel, and this manufacture method is based on circular slotting tool, hold-down mechanism, push rod and minimally-invasive scalpel；Described minimally-invasive scalpel includes: outer aluminium pipe sleeve, interior pipe box, blade, bar shaped handle of a knife and knife bar, this knife bar one end has groove, this bar shaped handle of a knife cross section is rectangle, and described bar shaped handle of a knife one end is fixed in the groove of described knife bar, and described blade is welded on the side of the described bar shaped handle of a knife other end；
Described circular slotting tool axially parallel offers several First Line grooves along it, several the second line grooves, First Line groove extends in the middle part of circular slotting tool from circular slotting tool end face thus forms several the first elastic blades, second line groove extends in the middle part of circular slotting tool from circular slotting tool other end thus forms several the second elastic blades, First Line groove, second line groove circumferentially partially overlaps, circular slotting tool outer surface is provided with a left side, right raised line, first elastic blade, second elastic blade has an inclined-plane between inner surface to outer surface, this inclined-plane makes the first elastic blade, second elastic blade face extremities outside forms blade；
Described hold-down mechanism includes cylinder body, piston, cone lid, described cylinder body is sealedly and fixedly connected with cone lid, piston is arranged between cylinder body and cone lid, there is between piston rear end and cylinder body the first chamber, between piston nose and cone lid, there is the second chamber, the piston rod that described piston nose has extends interior and with cone lid the centre bore slipper seal of cavity of cone lid and coordinates, coordinate outside piston rear end stretches out the baffle plate of cylinder body and with the centre bore slipper seal of baffle plate, the cavity of described cone lid is built with chuck, the male cone (strobilus masculinus) that chuck has is slidably matched with cone lid inwall, the piston rod that described piston nose has is fixing with chuck to be connected；
Described manufacturing process comprises the following steps:
Step one, clamping described circular slotting tool by the chuck of described hold-down mechanism, the piston of described hold-down mechanism moves thus compresses circular slotting tool after circular slotting tool forms deformation, so that the diameter of circular slotting tool reduces；
Step 2, slotting tool circular after step one deformation is put into the through hole of described outer aluminium pipe sleeve；
Step 3, push rod being put into the through hole of described outer aluminium pipe sleeve, after promoting push rod thus driving deformation, circular slotting tool moves.
The technical scheme improved further in technique scheme is as follows:
1, as preferably, the basil that the outer aluminium pipe sleeve of described first elastic blade, outer surface and the aluminium pipe sleeve outside inclined-plane of the outer aluminium pipe sleeve of the second elastic blade are formed is 60 ° ~ 75 °.
2, as preferably, the outer aluminium pipe sleeve of several First Line grooves described, the outer aluminium pipe sleeve end of several the second line grooves have the outer aluminium pipe sleeve of bottom cutting edge.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
The present invention is for the manufacturing process of scalpel, and it removes small salient point the most glossily, and circular slotting tool has certain elastic strength can keep contacting with aluminum pipe inwall at any time and not injure inwall, can remove the small salient point on inwall to the full extent, and effect is more preferable；Secondly this manufacturing process, speed is quite quick, and this activity slotting tool length is not oversize, only need to be put in the long rod of inwall and one disclose and can complete to remove gently.
Accompanying drawing explanation
Accompanying drawing 1 is the present invention circular slotting tool structural representation one in the manufacturing process of scalpel；
Accompanying drawing 2 is the present invention circular slotting tool structural representation two in the manufacturing process of scalpel；
Accompanying drawing 3 is present invention minimally-invasive scalpel partial structurtes schematic diagram in the manufacturing process of scalpel；
Accompanying drawing 4 is present invention minimally-invasive scalpel structural representation in the manufacturing process of scalpel；
Accompanying drawing 5 is the present invention hold-down mechanism and push rod structure schematic diagram in the manufacturing process of scalpel；
Accompanying drawing 6 is hold-down mechanism structural representation in manufacturing process of the present invention.
In the figures above: 1, circular slotting tool；2, hold-down mechanism；3, push rod；4, minimally-invasive scalpel；5, outer aluminium pipe sleeve；6, interior pipe box；7, blade；8, bar shaped handle of a knife；9, knife bar；91, groove；10, First Line groove；11, the second line groove；12, the first elastic blade；13, the second elastic blade；14, left raised line；15, right raised line；16, inclined-plane；17, blade；18, bottom cutting edge；19, cylinder body；20, piston；21, cone lid；22, the first chamber；23, the second chamber；24, cavity；25, centre bore；26, baffle plate；27, centre bore；28, chuck；281, male cone (strobilus masculinus).
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment: a kind of for scalpel manufacturing process, this manufacture method is based on circular slotting tool 1, hold-down mechanism 2, push rod 3 and minimally-invasive scalpel 4；Described minimally-invasive scalpel 4 includes: outer aluminium pipe sleeve 5, interior pipe box 6, blade 7, bar shaped handle of a knife 8 and knife bar 9, this knife bar 9 one end has groove 91, this bar shaped handle of a knife 8 cross section is rectangle, described bar shaped handle of a knife 8 one end is fixed in the groove 91 of described knife bar 9, and described blade 7 is welded on the side of described bar shaped handle of a knife 8 other end；
Described circular slotting tool 1 axially parallel offers several First Line grooves 10 along it, several the second line grooves 11, First Line groove 10 extends in the middle part of circular slotting tool 1 from circular slotting tool 1 end face thus forms several the first elastic blades 12, second line groove 11 extends in the middle part of circular slotting tool 1 from circular slotting tool 1 other end thus forms several the second elastic blades 13, First Line groove 10, second line groove 11 circumferentially partially overlaps, circular slotting tool 1 outer surface is provided with a left side, right raised line 14, 15, first elastic blade 12, second elastic blade 13 has an inclined-plane 16 between inner surface to outer surface, this inclined-plane makes the first elastic blade 12, second elastic blade 13 face extremities outside forms blade 17；
nullDescribed hold-down mechanism 2 includes cylinder body 19、Piston 20、Cone lid 21，Described cylinder body 19 is sealedly and fixedly connected with cone lid 21，Piston 20 is arranged between cylinder body 19 and cone lid 21，There is between piston 20 rear end and cylinder body 19 first chamber 22，Between piston 20 front end and cone lid 21, there is the second chamber 23，The piston rod 201 that described piston 20 front end has extends interior and with cone lid 21 centre bore 25 slipper seal of cavity 24 of cone lid 21 and coordinates，Coordinate outside the baffle plate 26 of cylinder body 19 is stretched out in piston 20 rear end and with centre bore 27 slipper seal of baffle plate 26，The cavity 24 of described cone lid 21 is built with chuck 28，The male cone (strobilus masculinus) 281 that chuck 28 has is slidably matched with cone lid 21 inwalls，The piston rod 201 that described piston 20 front end has is fixing with chuck 28 to be connected；
Described manufacturing process comprises the following steps:
Step one, chuck 28 by described hold-down mechanism 2 clamp described circular slotting tool 1, and the piston 20 of described hold-down mechanism 2 moves thus compresses circular slotting tool after circular slotting tool 1 forms deformation, so that the diameter of circular slotting tool 1 reduces；
Step 2, slotting tool circular after step one deformation is put into the through hole of described outer aluminium pipe sleeve 5；
Step 3, push rod 3 being put into the through hole of described outer aluminium pipe sleeve 5, after promoting push rod 3 thus driving deformation, circular slotting tool moves.
The basil that the outer surface of above-mentioned first elastic blade the 12, second elastic blade 13 is formed with inclined-plane 16 is 60 ° ~ 75 °.
Several First Line grooves 10 above-mentioned, several the second line groove 11 ends have bottom cutting edge 18.
When using the manufacturing process of above-mentioned minimally-invasive scalpel, it removes small salient point the most glossily, and circular slotting tool has certain elastic strength can keep contacting with aluminum pipe inwall at any time and not injure inwall, can remove the small salient point on inwall to the full extent, and effect is more preferable；Secondly, this manufacturing process, speed is quite quick, and this activity slotting tool length is not oversize, only need to be put in the long rod of inwall and one disclose and can complete to remove gently.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (3)
1. the manufacturing process for scalpel, it is characterised in that: this manufacturing process is based on circular slotting tool (1), hold-down mechanism (2), push rod (3) and minimally-invasive scalpel (4)；Described minimally-invasive scalpel (4) including: outer aluminium pipe sleeve (5), interior pipe box (6), blade (7), bar shaped handle of a knife (8) and knife bar (9), this knife bar (9) one end has groove (91), this bar shaped handle of a knife (8) cross section is rectangle, described bar shaped handle of a knife (8) one end is fixed in the groove (91) of described knife bar (9), and described blade (7) is welded on the side of described bar shaped handle of a knife (8) other end；
Described circular slotting tool (1) axially parallel offers several First Line grooves (10) along it, several second lines groove (11), First Line groove (10) extends to circular slotting tool (1) middle part from circular slotting tool (1) end face thus forms several the first elastic blades (12), second line groove (11) extends to circular slotting tool (1) middle part from circular slotting tool (1) other end thus forms several the second elastic blades (13), circular slotting tool (1) outer surface is provided with a left side, right raised line (14, 15), first elastic blade (12), second elastic blade (13) has an inclined-plane (16) between inner surface to outer surface, this inclined-plane makes the first elastic blade (12), second elastic blade (13) face extremities outside forms blade (17)；
nullDescribed hold-down mechanism (2) includes cylinder body (19)、Piston (20)、Cone lid (21)，Described cylinder body (19) is sealedly and fixedly connected with cone lid (21)，Piston (20) is arranged between cylinder body (19) and cone lid (21)，There is between piston (20) rear end and cylinder body (19) the first chamber (22)，Between piston (20) front end and cone lid (21), there is the second chamber (23)，The piston rod (201) that described piston (20) front end has extends interior and with cone lid (21) centre bore (25) slipper seal of cavity (24) of cone lid (21) and coordinates，Coordinate outside the baffle plate (26) of cylinder body (19) is stretched out in piston (20) rear end and with centre bore (27) slipper seal of baffle plate (26)，The cavity (24) of described cone lid (21) is built with chuck (28)，The male cone (strobilus masculinus) (281) that chuck (28) has is slidably matched with cone lid (21) inwall，The piston rod (201) that described piston (20) front end has is fixing with chuck (28) to be connected；
Described manufacturing process comprises the following steps:
Step one, clamp described circular slotting tool (1) by the chuck (28) of described hold-down mechanism (2), the piston (20) of described hold-down mechanism (2) is mobile thus compresses circular slotting tool after circular slotting tool (1) forms deformation, so that the diameter of circular slotting tool (1) reduces；
Step 2, slotting tool circular after step one deformation is put into the through hole of described outer aluminium pipe sleeve (5)；
Step 3, push rod (3) being put into the through hole of described outer aluminium pipe sleeve (5), after promoting push rod (3) thus driving deformation, circular slotting tool moves.
Manufacturing process for scalpel the most according to claim 1, it is characterised in that: the basil that described first elastic blade (12), outer surface and the inclined-plane (16) of the second elastic blade (13) are formed is 60 ° ~ 75 °.
Manufacturing process for scalpel the most according to claim 1, it is characterised in that: several First Line grooves (10) described, several the second line groove (11) ends have bottom cutting edge (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216177.5A CN103976775B (en) | 2014-05-21 | 2014-05-21 | Manufacturing process for scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216177.5A CN103976775B (en) | 2014-05-21 | 2014-05-21 | Manufacturing process for scalpel |
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| Publication Number | Publication Date |
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| CN103976775A CN103976775A (en) | 2014-08-13 |
| CN103976775B true CN103976775B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410216177.5A Active CN103976775B (en) | 2014-05-21 | 2014-05-21 | Manufacturing process for scalpel |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236488A (en) * | 2016-12-23 | 2018-07-03 | 昆山源科弘森金属科技有限公司 | Anti-slip type surgical knife |
| CN108236487A (en) * | 2016-12-23 | 2018-07-03 | 昆山源科弘森金属科技有限公司 | For the preparation method of chest surgery operating knife |
| CN108236486A (en) * | 2016-12-23 | 2018-07-03 | 昆山源科弘森金属科技有限公司 | The manufacturing method of minimally-invasive scalpel |
| CN108238798A (en) * | 2016-12-23 | 2018-07-03 | 昆山源科弘森金属科技有限公司 | Surgical knife manufacturing method |
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| CN203234799U (en) * | 2013-03-19 | 2013-10-16 | 昆山科森科技有限公司 | Mini surgical knife |
| CN103692024A (en) * | 2013-12-12 | 2014-04-02 | 湖南特力液压有限公司 | Burr removing device in through hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581259B1 (en) * | 1998-08-28 | 2003-06-24 | Ricoh Company, Ltd. | Attachment construction of fastening member |
| CN200942476Y (en) * | 2006-08-09 | 2007-09-05 | 中国科学院金属研究所 | Device for removing burr on metal round pipe end and inner edge |
| CN102227276A (en) * | 2008-11-27 | 2011-10-26 | 克莱斯博士玛帕精密仪器工厂两合公司 | Tool holder |
| TWM362073U (en) * | 2009-03-26 | 2009-08-01 | Syntec Machinery Co Ltd | Knife tool clipping tube with outlet water |
| CN101992308B (en) * | 2009-08-26 | 2012-03-21 | 发得科技工业股份有限公司 | Cutter clamping device |
| CN202356943U (en) * | 2011-11-26 | 2012-08-01 | 广州市昊志机电股份有限公司 | Elastic clamping sleeve for main shaft |
| CN202742068U (en) * | 2012-08-06 | 2013-02-20 | 常州倍得福机械科技有限公司 | Collet chuck |
| CN203234799U (en) * | 2013-03-19 | 2013-10-16 | 昆山科森科技有限公司 | Mini surgical knife |
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| CN103692024A (en) * | 2013-12-12 | 2014-04-02 | 湖南特力液压有限公司 | Burr removing device in through hole |
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| CN103976775A (en) | 2014-08-13 |
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