CN107595379A - A kind of scalpel of built-in heating unit - Google Patents
A kind of scalpel of built-in heating unit Download PDFInfo
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- CN107595379A CN107595379A CN201710759377.9A CN201710759377A CN107595379A CN 107595379 A CN107595379 A CN 107595379A CN 201710759377 A CN201710759377 A CN 201710759377A CN 107595379 A CN107595379 A CN 107595379A
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- Prior art keywords
- blade
- lug boss
- scalpel
- heating unit
- depressed part
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of scalpel of built-in heating unit, include the blade being made up of cutter hub portion and cutting part, heating unit built in cutter hub portion, anti-adhesion structure is produced on the surface of blade, anti-adhesion structure is in one or both of the lug boss of blade face and depressed part in period profile, lug boss, the size of depressed part is several microns to tens microns, the smooth surface of blade is changed into the rough surface of micron dimension roughness, rough surface changes the surface property of blade, composite contact face is presented with blade face in cut tissue, greatly reduce the contact area being in contact, realize the blade tissue that adhesion is cut in art of scalpel.Anti-adhesion structure substitutes polytetrafluoroethylene (PTFE) chemistry Antiblock coating, and realization prevents adhesion, and is discharged in use without noxious material, not the environment of contaminated operation room, improves the security of operation.
Description
Technical field
The invention belongs to medical instruments field, is related to electric heated scalpel tool, has more particularly to a kind of surface and prevents adhesion
The scalpel of the built-in heating unit of structure.
Background technology
Scalpel is the human body such as medicine equipment, epidermal tissue, soft tissue for cutting patient commonly used in surgical operation
Tissue.Easy bleeding when common scalpel cuts tissue, bleeding can block the surgeon visual field, extend operating time, drop
The accuracy of low operation.In order to solve the problems, such as intraoperative hemorrhage, there is the Chinese patent application of Application No. 99114117.2,
It discloses a kind of internal heated type electric heated scalpel.Above-mentioned scalpel has the function that heat coagulable, reduces intraoperative blood loss, improves
Procedure efficiency.But above-mentioned electric heated scalpel in order to overcome blocking under warming the problem of, its surface coating polytetrafluoroethylene (PTFE) prevent
Adhesion coating, with adhesion organization in the broadsword play that avoids performing the operation.The thermal conductivity coefficient of polytetrafluoroethylene (PTFE) prevents adhesion much smaller than metal material
Coating causes scalpel heat transfer efficiency low, can cause hemostasis deficiency, to make reinforcement blood coagulation, it is necessary to improve blood coagulation temperature.Scalpel
After temperature improves, it on the one hand can be had to being cut tissue compared with macrolesion, on the other hand can cause polytetrafluoroethylene (PTFE) at high temperature
Discharge toxic gas, contaminated operation room environmental, it is also possible to damage cut tissue, influence postoperation recovery.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of surface to have built in anti-adhesion structure
The scalpel of heating unit, the anti-adhesion structure being made up of small raised or/and depression is set in the blade face of scalpel, with for
For polytetrafluoroethylene (PTFE) Antiblock coating of the prior art.Without any immersion coating on scalpel, there is heat coagulable, prevent adhesion effect
Fruit, improve the security of operation.
The technical scheme is that providing a kind of scalpel of built-in heating unit, the knife at least by being fixedly connected is included
The blade and heating unit that body portion and cutting part are formed, the inside in the cutter hub portion are arranged for accommodating adding for heating unit
Hot chamber, the heating unit is assemblied in the heating chamber in cutter hub portion, and for heating blade, its designing points is：The blade
Surface be produced anti-adhesion structure, anti-adhesion structure be in periodic distribution in the lug boss and depressed part of blade face
One or two, the lug boss, the size of depressed part are micron dimension.
In application implementation, the present invention also has preferable technical scheme further below.
Preferably, the anti-adhesion structure is described by being in that the lug boss of periodic distribution is formed in blade face
Lug boss adjacent projections, it is wantonly two adjoining lug bosses between formed valley portion.
Preferably, the anti-adhesion structure is made up of depressed part of the periodic distribution in blade face, described recessed
The portion of falling into abuts depressed part, and convex ridge portion is formed between the depressed parts of wantonly two adjoining.
Preferably, the anti-adhesion structure is by the lug boss and depressed part institute structure in blade face in periodic distribution
Into, the lug boss adjacent projections, lug boss adjoining depressed part, depressed part adjacent projections.
Preferably, the lug boss relative to the lateral dimension on surface where it be 3-30 microns, longitudinal direction be highly
3-23 microns, depressed part relative to the lateral dimension on surface where it is 3-30 microns, longitudinal depth is 3-23 microns.
Preferably, the lateral dimension of the lug boss is 5-18 microns, is highly longitudinally 6-15 microns, depressed part
Lateral dimension is 5-18 microns, longitudinal depth is 6-15 microns.
Preferably, the lug boss, depressed part, valley portion, the surface distributed size in convex ridge portion are sub-micrometer scale
Multiple tabs or/and dolly dimple portion.
Preferably, the tab, dolly dimple portion are micro- for 0.5-1.5 with respect to the lateral dimension on surface where it
Rice, longitudinal size are 1-3 microns.
Preferably, the surface of the blade is deposited the hard coat that hardness is more than blade material, to protect knife
The anti-adhesion structure on piece surface, the hard coat are one kind in carborundum, beryllium oxide, aluminium nitride, diamond.
Preferably, the anti-adhesion structure is prepared using following methods：
The surface of blade is processed by shot blasting, blade face is reached submicron order smoothness, and removes the miscellaneous of surface
Matter particle and dirt；
Blade is toasted under 120-230 DEG C of low temperature environment, makes the dry tack free of blade；
The photoetching rubber moulding that one layer of even application is adapted with graphic boards in the blade face, and baking makes in glued membrane
Solvent volatilizees, and strengthens adhesiveness；
Graphic boards is aligned and exposed with the blade face, exposure region is formed on the glued membrane of blade face；
Blade is immersed in the developer solution being used cooperatively with photoresist, developed, the pattern in graphic boards is transferred to
Blade face, the glued membrane corresponding with the lug boss of anti-adhesion structure is formed in blade face；
Blade is immersed in the etching solution for etching blade material, the part by rubber moulding covering of blade face is not eclipsed
Carve, be not etched by the part that rubber moulding covers, until etch depth reaches predetermined depth, take out blade；
Blade is immersed in degumming liquid, the rubber moulding of blade face is come off, is formed in blade face by lug boss and depression
The anti-adhesion structure that portion is formed；
Further, the hard coat that one layer of hardness is more than blade face material is precipitated on the surface of the blade, is used
To protect the anti-adhesion structure.
Set in the blade face of the built-in heating unit scalpel of the present invention and prevented by what lug boss or/and depressed part were formed
Adhesion structure, lug boss, the size of depressed part are several microns to tens microns, and it is coarse that the smooth surface of blade is changed into micron dimension
The rough surface of degree, rough surface changes the surface property of blade face, between cut tissue and blade face
Contact surface is changed into composite contact face, and the depressed area, the depressed area of depressed part between the lug boss of anti-adhesion structure are adsorbed with air,
Isolation air cushion layer is formed, greatly reduces the contact area that tissue is in contact with blade face, the blade of scalpel is in art
The cut tissue of middle adhesion, realizes the effect to prevent adhesion, while it is more smooth more adhesion to also overcome surface
Technology prejudice.
Beneficial effect
The anti-sticking link being made up of lug boss or/and depressed part is set in the blade face of the scalpel of built-in heating unit
Structure, the lug boss or/and depressed part are uniformly distributed, and in being periodically distributed on the surface of blade, make blade face by light
Sliding surface is changed into the rough surface of micron dimension (several microns to tens microns) roughness, and rough surface changes blade face
Surface property, the contact surface between cut tissue and blade face are changed into composite contact face, the projection of anti-adhesion structure
The depressed area of depressed area, depressed part between portion and lug boss is adsorbed with air, forms isolation air cushion layer, greatly reduces human body
The contact area being in contact with blade face is organized, realizes the blade human body group that adhesion is cut in art of scalpel
Knit.Chemical Antiblock coating is replaced using physics anti-adhesion structure, discharged in use without any noxious material and gas,
In art will not contaminated operation room environmental, wound healing will not be hindered, while also overcome that surface is more smooth more technology of adhesion
Prejudice.
Brief description of the drawings
A kind of structural representation of scalpel in Fig. 1 embodiments.
A-A directional profiles enlarged diagram in Fig. 2 Fig. 1.
The exploded view of blade in Fig. 3 Fig. 1.
The micro- schematic diagram in section of Fig. 4 blade face anti-adhesion structures.
Fig. 5 surface anti stickings link the preparation flow figure of structure.
The micro- schematic diagram of Fig. 6 blade faces development figure.
The preparation method flow chart of Fig. 7 pattern plates.
The micro- schematic diagram of figure in a kind of graphic boards of Fig. 8.
Wherein, 100- blades, 110- cutter hubs portion, 111- heating chambers, 112- mating parts, 113- adhesive linkages, 120- cutting parts,
121- blade parts, 122- sword base portions, 130- heating units, 131- electric heating bodies, 132- electric insulation layers；200- handle of a knifes, 140- prevent
Adhesion structure, 141- lug bosses, 142- depressed parts, 143- valleys portion.
Embodiment
In order to illustrate technical scheme and technical purpose, below in conjunction with the accompanying drawings and embodiment is to the present invention
It is described further.
Relevant directionality instruction (up, down, left, right, before and after etc.) is only used for explaining a certain in the embodiment of the present invention
Relative position relation, motion conditions under particular pose (as shown in drawings) between each part etc., if the particular pose occurs
During change, then directionality instruction also correspondingly changes therewith.
As one embodiment of the present invention, a kind of scalpel of built-in heating unit, as depicted in figs. 1 and 2, including
The blade 100 and handle of a knife 200 being fixedly connected, and heating unit 130.Heating unit 130 is the strip of thin slice, such as Fig. 3 and
Shown in Fig. 2, electric insulation layer 132, electric heating body 131, electric insulation layer 132 are followed successively by from a surface side to another surface side, it is possible to understand that
Between being in two electric insulation layers 132 for electric heating body 131, it is electrically insulated with the base material of blade 100.Electric heating body 131 is thick film shape
Electric heating body, in strip, silk-screen printing technique can be used, described electric heating body is printed on electric insulation layer 132
131, as shown in figure 3, roundabout distribution is presented in electric heating body 131 on electric insulation layer 132, uniformly heat, make the temperature of blade outer
Degree is more evenly distributed, with more preferable heat setting haemostatic effect.The material of electric insulation layer 132 is optionally the high ceramic material of thermal conductivity
Material, beryllium oxide, aluminium nitride, hexagonal boron nitride ceramic material such as can be selected, it is electrically insulated, and thermal conductivity factor is high, contributes to
Heat transfer, reduce the temperature of electric heating body and reduce energy consumption.Blade 100 includes cutter hub portion 110 and cutting part 120, cutter hub portion
110 are fixedly connected with cutting part 120.The cutting part 120 includes blade part 121 and sword base portion 122, and cutting part 120 is in thin slice
Strip, one side sidepiece of cutting part 120 and the front end sidepiece (Fig. 1 lower avris and left side side) that is connected set described
Blade part 121, to cut tissue；Another side sidepiece is sword base portion 122, for being fixedly connected for cutting part 120.It is described
The heating chamber 111 being adapted with heating unit 130 is set in the inside in cutter hub portion 110, for accommodating heating unit 130.Heating
Chamber 111 is in strip, is extended along the direction parallel with the surface of blade 100, and in the assembly side of blade 100 and handle of a knife 200
Place sets the outlet of heating chamber, to draw the current electrode of heating unit 130.One avris in cutter hub portion 110 is provided with and sword
The mating part 112 that base portion 122 is engaged, can be the clamping part of U-shaped opening, as shown in Fig. 2 for assembling and fixed described
Cutting part 120, and for by heat transfer caused by heating unit 130 to cutting part 120, making cutting part 120 maintain operation
Required heat coagulable temperature, such as 200-280 DEG C.Alternatively, it is big that thermal conductivity coefficient can be selected in the material in the cutter hub portion 110
The metal materials such as copper, silver, aluminium, titanium, the big ceramic materials of thermal conductivity such as beryllium oxide, aluminium nitride can also be used.The heating is single
Member 130 is assemblied in the heating chamber 111 in cutter hub portion 110, and the sword base portion 122 of cutting part 120 inserts the mating part in cutter hub portion 110
112, and mating part 112 is assembled and fixation.As a kind of optional scheme, pass through between the sword base portion 122 and mating part 112
Adhesive linkage 113 is fixedly connected.Adhesive linkage 113 is optionally brazing layer, i.e., using soldering processes by sword base portion 122 and mating part
112 phases are fixed, then sword base portion 122 is welded and fixed with mating part 112 by brazing layer；Further, it is also possible to using mosaic technology, will
Cutting part 120, which is inlayed, to be fixed in cutter hub portion 110.It should be noted that the cutter hub portion 110, cutting part 120 can use together
Prepared by kind material, in this example, made from high-speed steel；The cutter hub portion 110, cutting part 120 can also be integrally formed, inside
Portion sets heating chamber.Heating unit 130 built in the blade 100 of the scalpel, for heating blade 100, realize that heat setting is stopped blooding,
Reduce intraoperative blood loss.Anti-adhesion structure 140 is set on the surface of the blade 100, as shown in Figure 3 and Figure 4.
The anti-adhesion structure 140 can be that the lug boss 141 being distributed on the surface of blade 100 is formed, the lug boss
141 be in periodic distribution on the surface of blade 100, and the adjoining circumferential distribution of lug boss 141 lug boss 141, lug boss 141 with it is convex
Rise and form valley portion between portion 141, also known as depressed area so repeats, and lug boss 141 is distributed in the whole surface of blade 100.
The adjacent projections 141 of lug boss 141 of anti-adhesion structure 140 are can be understood as, are so repeated cyclically distribution.Wantonly two is adjacent
Lug boss 141 between depressed area be interconnected, there is strong adsorptivity to air, form isolation air cushion layer.It is described to prevent adhesion
Structure 140 can also be formed by the depressed part 142 by being distributed on the surface of blade 100, and the depressed part 142 is in blade 100
Surface is in periodic distribution, and the adjoining circumferential distribution of depressed part 142 depressed part 142, is so repeated, and depressed part 142 is distributed in
In the whole surface of blade 100, convex ridge portion is formed between depressed part 142 and depressed part 142.It can be understood as anti-adhesion structure
140 depressed part 142 abuts depressed part 142, is so repeated cyclically distribution.It is convex between wantonly two adjacent depressed parts 142
Spine is connected, and similar to the ridge dam in paddy field, forms contact surface；The depressed area of depressed part 142 has strong adsorptivity to air,
Form isolation air cushion.The anti-adhesion structure 140 can also be the lug boss 141 and depressed part being distributed on the surface of blade 100
142 are formed, and the lug boss 141 and depressed part 142 are in periodically to be distributed along the surface of blade 100, the neighbour of lug boss 141
Connecing circumferential distribution has depressed part 142, and the adjoining circumferential distribution of depressed part 142 has lug boss 141, so repeats, the He of lug boss 141
Depressed part 142 is distributed in the whole surface of blade 100.By the preparation technology of anti-adhesion structure 140 and cost are limited, as one
The optional scheme of kind, anti-adhesion structure 140 are by the lug boss 241 and depressed part in periodic distribution on the surface of blade 100
242 are formed, as shown in figure 4, the surface of the lug boss 141 and depressed part 142 along blade 100 is in periodically to be distributed, institute
The adjacent projections 141 of lug boss 141, the adjoining of lug boss 141 depressed part 142, the adjacent projections 141 of depressed part 142 are stated, such as Fig. 4
It is shown, but depressed part 142 does not abut depressed part 142, so repeats, is distributed in the whole surface of blade.
The lug boss 141, the size of depressed part 142 are micron dimension, its size between several microns to tens microns,
Generally less than 35 microns.Further, the lug boss 141 relative to surface where it transverse direction (i.e. with plane at its place
Parallel direction) size is 3-30 microns, longitudinal direction height (i.e. the direction vertical with plane at its place) is 3-23 microns；It is described
Depressed part 142 is 3-30 microns relative to transverse direction (i.e. the direction parallel with plane at its place) size on surface where it, is indulged
It is 3-23 microns to depth (i.e. the direction vertical with plane at its place).Spacing between two adjacent lug bosses 141 is
0.6-1.5 times of its height, it is preferable that 0.9-1.2 times；Spacing between two adjacent depressed parts 142 is its depth
0.7-1.8 times, it is preferable that 0.9-1.3 times.Alternatively, the lateral dimension of the lug boss is 5-18 microns, longitudinal direction
Highly it is 6-15 microns, the lateral dimension of depressed part is 5-18 microns, longitudinal depth is 6-15 microns, and the top in valley portion is horizontal
Size is 5-23 microns, and the top lateral dimension in convex ridge portion 124 is 1-5 microns, and the anti-adhesion structure of this technological parameter is easier to
Prepare, yields is high, and preparation cost is lower, and there are good adhesion inhibiting properties.
The anti-adhesion structure being made up of lug boss or/and depressed part, the light of blade are set on the surface of the blade of scalpel
Sliding surface is changed into the rough surface of micron dimension roughness, and rough surface changes the surface property of blade face, cut
Composite contact face is presented with blade face in tissue, depressed area, depression between the lug boss and lug boss of anti-adhesion structure
The depressed area in portion is adsorbed with air, forms isolation air cushion layer, greatly reduces tissue and the blade face phase of scalpel
The contact area of contact, realize the blade tissue that adhesion is contacted in art of scalpel.
In order to avoid the anti-adhesion structure 140 on the surface of blade 100 of scalpel is damaged, such as friction or collision factor are led
The anti-adhesion structure on surface is caused to be damaged, and then, one layer of hard coat is precipitated on the surface of blade 100, to protect
State the lug boss or/and depressed part of anti-adhesion structure.Hard coat refers to that the hardness of coating is at least greater than the material of blade 100
The hardness of (such as base material).The hard coat material can be ceramic coating or diamond coatings.In this example, as one kind
Optional mode, using sharp chemical gaseous phase deposition technique, one layer of diamond thin, film thickness are deposited on the surface of blade 100
For 0.4-0.9 microns.It should be noted that the diamond thin can also be by thermal conductivities such as carborundum, beryllium oxide, aluminium nitride
High ceramics are substituted.If technique such as can use magnetron sputtering technique, can prepare carbon on the surface of blade 100 if
Change the metal alloy protection films such as tungsten, titanium carbide.
Further, more effectively to improve the preventing adhesiving effect of the anti-adhesion structure on the surface of blade 100 of scalpel,
As a kind of optional technical scheme, it is sized on the surface of the lug boss and depressed part as the small convex of sub-micrometer scale
The portion of rising/and dolly dimple portion, its size are to divide micron to micron.For example, the transverse direction on its relative place surface of the tab
Size is 0.5-1.5 microns, and longitudinal direction height is 1-3 microns, and the spacing between tab and tab is its longitudinal direction height
One to three times；The lateral dimension on its relative place surface in the dolly dimple portion is 0.5-1.5 microns, and longitudinal depth is 1-3
Micron, the spacing between dolly dimple portion and dolly dimple portion are one to three times of its longitudinal depth.Surface anti sticking is connected by above-mentioned
Greater area of isolation air cushion layer area after the improvement of structure, in anti-adhesion structure be present, as mentioned lug boss and lug boss it
Between depressed area, the depressed area between tab and tab on lug boss, the tab on depressed part
The depressed area of depressed area, depressed part between tab is adsorbed with air, forms isolation air cushion layer, effectively reduces
The contact area that tissue is in contact with scalpel cutting part surface, makes anti-adhesion structure have more preferable preventing adhesiving effect.
But for current fabricating technology, manufacture difficulty is big, yields is low, and cost of manufacture is high, limits its application and pushes away
Extensively.
The scalpel of the built-in heating unit of present embodiment, include the blade and knife being made up of cutter hub portion and cutting part
The handle of a knife and heating unit that piece is fixedly connected.The inside in the cutter hub portion is arranged for accommodating the heating chamber of heating unit,
The heating unit is assemblied in the heating chamber in cutter hub portion, for heating blade.Anti-adhesion structure is produced on the surface of blade,
Anti-adhesion structure is the lug boss, the transverse direction of depressed part and vertical by being formed in the lug boss or/and depressed part of periodic distribution
It is a few to tens of microns, generally less than 35 microns to size, the smooth surface of blade is changed into the coarse table of micron dimension roughness
Face, rough surface change the surface property of blade face, and the blade face presentation of cut tissue and scalpel is multiple
Splice grafting contacting surface, depressed area, the depressed area of depressed part between the lug boss of anti-adhesion structure are adsorbed with air, form isolation gas
Bed course, reduce the contact area that tissue is in contact with the blade face of scalpel, realize scalpel and do not glued in art
Even cut tissue, while also overcome that surface is more smooth more technology prejudice of adhesion.It is above-mentioned refer to prevent adhesion
Structure substitutes polytetrafluoroethylene (PTFE) Antiblock coating of the prior art, without any immersion coating on the blade of scalpel, even if
Under high-temperature situation, blade also discharges without any toxic gas and harmful substance, it is ensured that the preventing adhesiving effect and heat setting of scalpel
Haemostatic effect, without prejudice to wound healing and contaminated operation room environmental, it is ensured that the security of operation.
The anti-adhesion structure of the blade face of above-mentioned scalpel is prepared with the following method, to be utilized and be applied in technical process
Glue machine, baking box, exposure machine, developing machine and etching machine, alternatively, from the model TEL ACT-8 light for adding the production of energy company
Coating and toning system are carved, gluing, baking, exposed and developed operation can be completed.Prepared in this example by lug boss and depressed part
The anti-adhesion structure of composition, the figure in graphic boards is positive figure, as shown in figure 8, it is right that lug boss institute has been made in graphic boards
The figure answered, the corresponding lug boss of one of disc are adjacent using the lug boss of the anti-adhesion structure prepared by the graphic boards
Be connected to lug boss, lug boss adjoining have depressed part, depressed part can only adjacent projections, this is limited by preparation technology.It is described anti-
The preparation technology flow of adhesion structure, as shown in figure 5, specifically including following steps：
Surface preparation, the surface of the blade of scalpel is processed by shot blasting, surface is reached the light of sub-micrometer scale
Slippery, such as roughness are less than 0.1 micron, and scrub the impurity particle and dirt for removing blade face, make any surface finish, no dirt
Thing, with ensure gluing uniformly, zero defect.
The blade of scalpel is placed in baking box, toasted under 120-230 DEG C of low temperature environment, alternatively in 180 DEG C of bakings
It is roasting, blade face is dried, it is then naturally cold really to arrive room temperature.
Graphic boards in this example is the graphic boards made in advance, and the figure of graphic boards is positive figure, in the table of blade
One layer of photoresist with the graphics adaptation of graphic boards is applied on face, because the figure of graphic boards is positive figure, so needing equal
Even coating positive photoetching rubber, and form rubber moulding in uniform thickness.The thickness of photoresist film is 1-3 microns, and alternatively thickness is 1.5 micro-
Rice.Then scalpel is placed in baking box and toasted, the big portion of the solvent in glued membrane is volatilized, allows more than 80% solvent to volatilize
Fall, to strengthen adhesiveness.
The above-mentioned graphic boards made in advance is aligned with blade face, is then exposed, in the glue of blade face
Exposure region is formed on film.Because blade has two surfaces, it is necessary to be aligned twice, exposure.It should be noted that the blade of blade
Without exposure at portion.
Blade after exposure is immersed in the developer solution being used cooperatively with photoresist, the glued membrane for being exposed area of blade face
It is dissolved by the developing, the glued membrane for not being exposed area is not dissolved, and figure is formed in blade face, is realized and is developed, in graphic boards
Pattern is transferred to the surface of blade, and glued membrane corresponding with the lug boss of the anti-adhesion structure is formed in blade face；It is i.e. convex
Glued membrane corresponding to portion is played to keep down, as shown in fig. 6, the disc in Fig. 6 correspond to the glued membrane remained, one in figure
Disc correspond to a lug boss of anti-adhesion structure, and one that anti-adhesion structure is correspond between wantonly four adjacent circles is recessed
The portion of falling into, the depressed part is as caused by etch process, and because the etching section in the region is maximum, etching speed is maximum.
Blade is immersed in the etching solution for etching blade surfacing, the part by rubber moulding covering of blade face is not
It is etched, that is to say, that region corresponding to the lug boss of anti-adhesion structure is not etched by, i.e. the region that disc in Fig. 6 is covered
It is not etched by.It is not etched by the part that rubber moulding covers, that is to say, that the area between the two adjacent lug bosses of anti-adhesion structure
Domain is etched, formation depressed area, i.e. the region between disc and disc in Fig. 6 is etched, between wantonly four adjacent discs
The depressed part of the etched generation anti-adhesion structure in region, is determined by etch process, because the etching section in the region is maximum, etching
Speed is maximum, thus can form depressed part.Until the etch depth in the region between two lug bosses reaches predetermined depth, such as 10 is micro-
Rice, etching is completed, take out blade.Because the blade of scalpel in this example is manufactured using metal material, so etching solution is alternatively
For acid solution, sulfuric acid, the mixed liquor of hydrochloric acid can be selected, in addition, nitric acid can also be added in etching solution, to improve etching speed
Degree.
Blade is immersed in degumming liquid, the rubber moulding and blade face for making blade face are separated, and are formed on the surface of blade
Anti-adhesion structure, as shown in figure 4, anti-adhesion structure is formed by the lug boss and depressed part for being distributed in blade face, and in week
The distribution of phase property, lug boss, in periodically distribution, have lug boss between the depressed part and depressed part of arest neighbors, that is, are recessed with sunken
Portion can not abut with depressed part, and lug boss can abut depressed part with adjacent projections, lug boss.
It should be noted that the blade after degumming can also be again dipped into above-mentioned etching solution, the top of lug boss is allowed
Portion is etched, and the top of lug boss is formed dome, is advantageously reduced lug boss and the contact surface of touched tissue,
To strengthen the effect to prevent adhesion.
In order to protect the anti-adhesion structure of blade face, it is set to keep good preventing adhesiving effect, it is also necessary in blade
The protection thin layer of one layer of hard is prepared on surface, one layer of diamond film is precipitated in blade face in this example.From chemical gaseous phase
Depositing technology, one layer of protection film layer with diamond lattic structure is deposited on the surface of the blade, thickness is 0.8 micron, gold
Diamond film series of strata hardness is more than the hard coat of blade face material, can be very good to protect the lug boss of anti-adhesion structure and recessed
The portion of falling into, protects it from rubbing, collides equivalent damage, keep good preventing adhesiving effect.
Need to illustrate again, it is above-mentioned in the technical process of anti-adhesion structure is prepared, according to negative film figure
Graphic boards, then can obtain periodic distribution and the anti-adhesion structure that depressed part is formed, depressed part adjoining depressed part, two is adjacent
Form convex ridge portion between the depressed part connect, the convex ridge portion between wantonly two depressed parts abutted is interconnected, and forms blade face
Contact surface.Negative film figure and positive figure are in complementary relationship.
The above-mentioned graphic boards referred to, the figure in the graphic boards have two kinds of positive figure and negative film figure, wherein positive
Figure in the graphic boards of figure is corresponding with the lug boss of anti-adhesion structure, i.e. the corresponding disc of a lug boss；Negative film
Figure in the graphic boards of figure is corresponding with the region outside the lug boss of anti-adhesion structure, i.e., a lug boss is corresponding one
Circular hole.It is in complementary relationship that positive figure in graphic boards, which be can be understood as, with negative film figure.The graphic boards and negative film of positive figure
The preparation method of the graphic boards of figure is similar, next introduces the manufacture craft of the graphic boards with positive figure, technique system
Cheng Zhongxu uses polishing machine, glue spreader, baking box, optical plotter, exposure machine and developing machine, can use TEL ACT-8 photoetching
Coating and toning system, as shown in fig. 7, the manufacture craft comprises the following steps.
Step 1, the surface of the fused silica glass plate for making graphic boards is processed by shot blasting, reaches submicron order
Smoothness, such as roughness are less than 0.05 micron, scrub the impurity particle and dirt for removing quartz glass plate surface, make surface light
It is clean, no dirt.Using sputtering, such as magnetron sputtering technique, on the quartz glass plate with clean quiet surface after polished processing
Precipitate one layer of opaque layers of chrome, the thickness of layers of chrome be 40-120 nanometers, and in this example, alternatively, the thickness of layers of chrome is 85 nanometers.
Step 2, one layer of positive photoetching rubber mould of even application in the layers of chrome of quartz glass plate surface, rubber moulding thickness is 1-3 microns,
Preferably 2 microns.
It should be noted that this step needs to apply positive photoetching rubber still negative photoresist, depending on the figure drawn is just
Piece figure or negative film figure and using optical plotter photoresist film graphing Exposure mode, for example, optical plotter draw
Drawn figure, the figure drawn are positive figures, if the negative photoresist of coating, obtains positive figure, if coating positive photoetching rubber,
Obtain negative film figure；The figure drawn is negative film figure, if the negative photoresist of coating, obtains negative film figure, if applying positive photoetching
Glue, obtain positive figure.
Step 3, as a result of positive photoetching rubber, need to draw the figure of negative film in advance, be prevented adhesion based on being drawn with described
Negative film figure corresponding to the lug boss of structure, i.e., the circular hole being distributed in periodic intermittent, such as alternatively, circle hole radius are 9 microns,
28 microns of the distance between adjacent circular hole and circular hole.Drawn using optical plotter on the rubber moulding of the quartz glass plate surface
The figure for the prior drafting stated, the region being drawn on glued membrane being exposed, the region exposed is corresponding with the figure,
The region that rubber moulding is exposed is drawn region, i.e., the region outside the circular hole of above-mentioned period profile is drawn exposure.
Step 4, the quartz glass plate after exposure is immersed in the developer solution being used cooperatively with photoresist and developed, is dissolved
The unwanted glued membrane for being exposed region, i.e., the glued membrane that exposure area is drawn outside circular hole are dissolved, obtained with being painted entirely
The figure of system is in the glued membrane figure of complementary relationship, that is, obtains the circle in periodic distribution corresponding with the lug boss of anti-adhesion structure
The figure that face is formed.
Step 5, quartz glass plate is immersed in the etching solution for etching chromium material, optional acid solution, outside glued membrane
Layers of chrome etched away by acid solution, by glued membrane cover layers of chrome be retained, formed graphic boards on required for positive figure
Shape, i.e., the lug boss of figure and anti-adhesion structure in graphic boards correspond.
Step 6, quartz glass plate is immersed in degumming liquid, the glued membrane of quartz glass plate surface is come off, obtain described tool
There is the graphic boards of positive figure, as shown in figure 8, the light tight region in graphic boards is relative with the lug boss of the anti-adhesion structure
Answer, that is, the disc of the orthographic projection corresponding with lug boss is formed, in the disc of period profile, such as the disc in Fig. 8.
It should be noted that the minimum repeat unit of the figure of graphic boards shown in Fig. 8 is made up of four discs
Quadrilateral structure, then it can prepare the minimum with quadrilateral structure being made up of four lug bosses and prevent adhesion the table of repeat unit
Face anti-adhesion structure.The graphic boards with centroid structure figure can also be prepared as needed, in wantonly four phases as shown in Figure 8
The middle region for the quadrangle that adjacent disc is formed sets a disc again, and formed has the center of area by what five discs were formed
The minimum repeat unit of structure graph, it can so prepare the minimum with centroid structure being made up of five lug bosses and prevent adhesion
The surface anti sticking of repeat unit links structure.As needed can also be as shown in Figure 8 along longitudinal number consecutively by some direction
Transversely offset certain distance for the figure of the row of even number, such as offset the adjacent two discs heart away from half, obtain by four circles
The minimum repeat unit with diamond structure that face is formed, can so prepare has diamond structure by what four lug bosses were formed
Minimum prevent adhesion repeat unit surface anti sticking link structure.
The electric heated scalpel of prior art has the function that heat coagulable, reduces intraoperative blood loss, improves procedure efficiency.
But above-mentioned scalpel applies polytetrafluorethylecoatings coatings, to avoid scalpel to overcome the influence of blocking under warming on its surface
Art in blocking under warming tissue.For the thermal conductivity coefficient of polytetrafluoroethylene (PTFE) much smaller than metal material, anti-stick coating causes scalpel
Heat transfer efficiency is low, can cause hemostasis deficiency, to make reinforcement blood coagulation, it is necessary to improve blood coagulation temperature.After scalpel temperature improves, a side
Face can have more macrolesion to cut tissue, on the other hand polytetrafluoroethylene (PTFE) can be caused to discharge Toxic because of high temperature
Matter and gas, cut tissue is hindered to heal, and contaminated operation room environmental.
Compared to the prior art, the present invention achieves following advantageous effects：
The anti-sticking link being made up of lug boss or/and depressed part is set in the blade face of the scalpel of built-in heating unit
Structure, the lug boss or/and depressed part are uniformly distributed, and in being periodically distributed on the surface of blade, make blade face by light
Sliding surface is changed into the rough surface of micron dimension roughness, and rough surface changes the surface property of blade face, cut
Contact surface between tissue and blade face is changed into composite contact face, depressed area between the lug boss of anti-adhesion structure and recessed
The depressed area in the portion of falling into is adsorbed with air, forms isolation air cushion layer, and greatly reduce that tissue is in contact with blade face connects
Contacting surface is accumulated, and realizes the blade tissue that adhesion is cut in art of scalpel.Replaced using physics anti-adhesion structure
Chemical Antiblock coating, discharged in use without toxic chemical substance, in art will not contaminated operation room environmental, will not hinder
Wound healing, while also overcome that surface is more smooth more technology prejudice of adhesion.
A kind of anti-adhesion structure preparation method is provided, can be prepared using this method in the blade face of scalpel uniformly
The anti-adhesion structure being made up of lug boss or/and depressed part of ground distribution, the surface of blade is changed into micron amount from smooth surface
The rough surface of level roughness, changes the surface property of blade face, the anti-adhesion structure of tissue and blade face
Contact surface is changed into composite contact face, and the depressed area, the depressed area of depressed part between the lug boss of anti-adhesion structure are adsorbed with air,
Isolation air cushion layer is formed, the contact area that tissue is in contact with anti-adhesion structure is greatly reduced, realizes scalpel
Blade adhesion tissue in art.Polytetrafluoroethylene (PTFE) anti-stick coating is substituted with prepared anti-adhesion structure, had
The scalpel that real physical structure prevents adhesion, the favourable security for improving operation.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, the present invention
Claimed scope is by appended claims, specification and its equivalent thereof.
Claims (10)
1. a kind of scalpel of built-in heating unit, comprising the blade being at least made up of the cutter hub portion being fixedly connected and cutting part with
And heating unit, the inside in the cutter hub portion are arranged for accommodating the heating chamber of heating unit, the heating unit is assemblied in
In the heating chamber in cutter hub portion, for heating blade, it is characterised in that：The surface of the blade is produced anti-adhesion structure, anti-sticking
It is in one or both of the lug boss of blade face and depressed part, the lug boss, depression in periodic distribution to link structure
The size in portion is micron dimension.
2. the scalpel of built-in heating unit according to claim 1, it is characterised in that：The anti-adhesion structure is by knife
Formed on piece surface in the lug boss of periodic distribution, the lug boss adjacent projections, shape between the lug boss of wantonly two adjoining
Into valley portion.
3. the scalpel of built-in heating unit according to claim 1, it is characterised in that：The anti-adhesion structure is by the cycle
Property be distributed in the depressed part of blade face and formed, the depressed part abuts depressed part, is formed between wantonly two depressed parts abutted
Convex ridge portion.
4. the scalpel of built-in heating unit according to claim 1, it is characterised in that：The anti-adhesion structure is by knife
Piece surface is formed in the lug boss and depressed part of periodic distribution, the lug boss adjacent projections, lug boss adjoining depression
Portion, depressed part adjacent projections.
5. the scalpel of the built-in heating unit according to claim 1-4 any claims, it is characterised in that：It is described convex
The portion of rising relative to the lateral dimension on surface where it is 3-30 microns, longitudinal direction is highly 3-23 microns, and depressed part is relative to its institute
Lateral dimension on surface is 3-30 microns, longitudinal depth is 3-23 microns.
6. the scalpel of built-in heating unit according to claim 5, it is characterised in that：The lateral dimension of the lug boss
Highly it is 6-15 microns for 5-18 microns, longitudinal direction, the lateral dimension of depressed part is 5-18 microns, longitudinal depth is 6-15 microns.
7. the scalpel of built-in heating unit according to claim 6, it is characterised in that：The lug boss, depressed part, gorge
The multiple tabs or/and dolly dimple portion of valley, the surface distributed size in convex ridge portion for sub-micrometer scale.
8. the scalpel of built-in heating unit according to claim 7, it is characterised in that：The tab, dolly dimple
Portion with respect to the lateral dimension on surface where it is 0.5-1.5 microns, longitudinal size is 1-3 microns.
9. the scalpel of the built-in heating unit according to claim 1-8 any claims, it is characterised in that：The knife
The surface of piece is deposited the hard coat that hardness is more than blade material, described hard to protect the anti-adhesion structure of blade face
Matter coating is one kind in carborundum, beryllium oxide, aluminium nitride, diamond.
10. the scalpel of built-in heating unit according to claim 9, it is characterised in that the anti-adhesion structure uses
It is prepared by following methods：
The surface of blade is processed by shot blasting, blade face is reached submicron order smoothness, and removes the impurity on surface
Grain and dirt；
Blade is toasted under 120-230 DEG C of low temperature environment, makes the dry tack free of blade；
The photoetching rubber moulding that one layer of even application is adapted with graphic boards in the blade face, and toast the solvent made in glued membrane
Volatilization, strengthen adhesiveness；
Graphic boards is aligned and exposed with the blade face, exposure region is formed on the glued membrane of blade face；
Blade is immersed in the developer solution being used cooperatively with photoresist, developed, the pattern in graphic boards is transferred to blade
Surface, the glued membrane corresponding with the lug boss of anti-adhesion structure is formed in blade face；
Blade to be immersed in the etching solution for etching blade material, the part by rubber moulding covering of blade face is not etched by,
It is not etched by the part that rubber moulding covers, until etch depth reaches predetermined depth, takes out blade；
Blade is immersed in degumming liquid, the rubber moulding of blade face is come off, is formed in blade face by lug boss and depressed part structure
Into anti-adhesion structure；
Further, the hard coat that one layer of hardness is more than blade face material is precipitated on the surface of the blade, to protect
Protect the anti-adhesion structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710759377.9A CN107595379A (en) | 2017-08-29 | 2017-08-29 | A kind of scalpel of built-in heating unit |
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| CN201710759377.9A CN107595379A (en) | 2017-08-29 | 2017-08-29 | A kind of scalpel of built-in heating unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251226A (en) * | 2019-06-25 | 2019-09-20 | 东南大学 | Diamond film electrothermal scalpel and its temperature control method |
| WO2021238427A1 (en) * | 2020-05-27 | 2021-12-02 | 深圳麦克韦尔科技有限公司 | Heat generating body and heating device |
| CN113813021A (en) * | 2021-09-30 | 2021-12-21 | 武汉半边天医疗技术发展有限公司 | Bipolar ultrasonic knife head and preparation method thereof |
| CN114010274A (en) * | 2021-11-16 | 2022-02-08 | 郑州市第七人民医院 | Scalpel for doctors in cardiac intensive care unit and production process thereof |
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| CN1231878A (en) * | 1999-03-23 | 1999-10-20 | 江苏铁医美达康医疗设备厂 | Internal heated type electric heated scalpel |
| CN103547708A (en) * | 2011-05-20 | 2014-01-29 | 金一远 | Method of machining metal plate for manufacturing scaled model, method of manufacturing scaled model, and scaled model |
| CN104188719A (en) * | 2014-09-11 | 2014-12-10 | 北京航空航天大学 | Surface self-lubricating anti-adhesive structure of energy carrier minimally invasive operation knife |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231878A (en) * | 1999-03-23 | 1999-10-20 | 江苏铁医美达康医疗设备厂 | Internal heated type electric heated scalpel |
| CN103547708A (en) * | 2011-05-20 | 2014-01-29 | 金一远 | Method of machining metal plate for manufacturing scaled model, method of manufacturing scaled model, and scaled model |
| CN104188719A (en) * | 2014-09-11 | 2014-12-10 | 北京航空航天大学 | Surface self-lubricating anti-adhesive structure of energy carrier minimally invasive operation knife |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251226A (en) * | 2019-06-25 | 2019-09-20 | 东南大学 | Diamond film electrothermal scalpel and its temperature control method |
| CN110251226B (en) * | 2019-06-25 | 2024-04-02 | 东南大学 | Diamond film electric heating surgical knife and temperature control method thereof |
| WO2021238427A1 (en) * | 2020-05-27 | 2021-12-02 | 深圳麦克韦尔科技有限公司 | Heat generating body and heating device |
| CN113813021A (en) * | 2021-09-30 | 2021-12-21 | 武汉半边天医疗技术发展有限公司 | Bipolar ultrasonic knife head and preparation method thereof |
| CN114010274A (en) * | 2021-11-16 | 2022-02-08 | 郑州市第七人民医院 | Scalpel for doctors in cardiac intensive care unit and production process thereof |
| CN114010274B (en) * | 2021-11-16 | 2022-07-29 | 郑州市第七人民医院 | Scalpel for doctors in cardiac intensive care unit and production process thereof |
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