CN110301963A - Minimally Invasive Surgery incision of skin device - Google Patents
Minimally Invasive Surgery incision of skin device Download PDFInfo
- Publication number
- CN110301963A CN110301963A CN201910709818.3A CN201910709818A CN110301963A CN 110301963 A CN110301963 A CN 110301963A CN 201910709818 A CN201910709818 A CN 201910709818A CN 110301963 A CN110301963 A CN 110301963A
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- CN
- China
- Prior art keywords
- cutter
- minimally invasive
- invasive surgery
- valve jacket
- pressing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 83
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000008602 contraction Effects 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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
- A61B17/32093—Incision instruments for skin incisions
Abstract
The present invention provides a kind of Minimally Invasive Surgery incision of skin devices, are related to the field of medical instrument technology, and Minimally Invasive Surgery incision of skin device provided by the invention includes: valve jacket, cutter, elastic element, pressing piece and lock piece；Cutter and elastic element are inserted in valve jacket respectively, and elastic element is used to that cutter to be made to have the trend being contracted to inside valve jacket；Pressing piece abuts cutter, and pressing piece is used to push cutter, and leans out cutter from the inside of valve jacket；Lock piece connects valve jacket, and axis of the pressing piece relative to lock piece around lock piece is rotated with the axial movement of locking pressing piece, and Minimally Invasive Surgery incision of skin device provided by the invention avoids cutter in the prior art and the technical issues of false-lock is stopped easily occurs in art.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of Minimally Invasive Surgery incision of skin device.
Background technique
Clinically the skin incision of Minimally Invasive Surgery mostly uses greatly traditional sharp blades fit knife handle to carry out incision of skin, needs
According to ancillary pipe-work used in the surgical experience of operator doctor and its, the estimation of operative incision length is carried out, due to
There are different degrees of deviations for the depth and size that operator doctor minimally invasive surgery technology energy power limit leads to notch.When notch is too deep
When, it may result in vitals or tissue under skin knife damage skin；When skin incision is too small, notch need to be carried out again
It cuts until puncture sheath and surgical procedure pipeline can be accommodated, it will usually because the inconsistent of notch causes by additional injury；
When skin incision is excessive, notch need to be sutured, and may cause the leakage of medium in lacuna in art, it is postoperative to increase patient
Infection risk and operating difficulty.Skin is the elastic fibrous tissue with certain deformability, even if skin incision does not reach theoretical
Length, puncture sheath also can it is appropriate firmly after pass through.But this notch for scraping sheath can suffer from the end of operation
Leaving circular wound on person's skin, and because of the extension of operating time, the tissue being pulled after extending around sheath is more not easy to bounce back,
The diameter of generated circumferential notch therefore still reaches the theoretical length of corresponding sheath closer to the outer diameter of sheath after it has been gathered.
And such small notch post operative inflammatory for being forced through puncture sheath reacts heavier, pigmentation and scar becomes apparent from, therefore should keep away
Exempt from this mode of operation for deliberately pursuing small notch, should be best with molded breadth needed for corresponding puncture sheath.
In addition, needing to carry out harmless treatment after surgery for disposable scalpel, generally use telescopic
Scalpel, cutter is shunk after surgery and is locked in valve jacket to avoid knife edge cuts other people, however in art cutter be subjected to come
From the active force of patient body, thus there is cutter and shrink and be accidentally locked at the risk inside valve jacket, and then it is normal to influence operation
It carries out.
Summary of the invention
The purpose of the present invention is to provide a kind of Minimally Invasive Surgery incision of skin devices, to avoid cutter in the prior art in art
In the technical issues of false-lock is stopped easily occurs.
In a first aspect, Minimally Invasive Surgery incision of skin device provided by the invention, comprising: valve jacket, elastic element, is pressed cutter
Casting die and lock piece；The cutter and the elastic element are inserted in the valve jacket respectively, and the elastic element is described for making
Cutter has the trend being contracted to inside the valve jacket；The pressing piece abuts the cutter, and the pressing piece is for pushing
The cutter, and lean out the cutter from the inside of the valve jacket；The lock piece connects the valve jacket, the pressing piece phase
Axis for the lock piece around the lock piece is rotated with the axial movement of pressing piece described in locking.
With reference to first aspect, the present invention provides the first possible embodiments of first aspect, wherein the pressing
Part is equipped with holding section；The lock piece is equipped with and axially extends and slideway compatible with the holding section, and described in connection
Slideway and detent compatible with the holding section；When the holding section is matched with the slideway, the pressing piece has edge
The freedom degree of lock piece axial movement；When the holding section is matched with the detent, the pressing piece axial direction locking.
The possible embodiment of with reference to first aspect the first, second the present invention provides first aspect are possible
Embodiment, wherein retaining part is connected in the detent, the retaining part is for preventing the holding section de- from the detent
Out.
The possible embodiment of second with reference to first aspect, the third the present invention provides first aspect are possible
Embodiment, wherein the retaining part includes flexible claw, and the claw deviates from the one of the slideway from the detent
End extends to the opening of the detent, so that the claw forms resigning gap away from the side of the detent；The claw
Equipped with the lug boss towards the detent protrusion.
The possible embodiment of with reference to first aspect the first, the 4th kind the present invention provides first aspect are possible
Embodiment, wherein from detent described in the one end to the one end for deviating from the slideway for being connected to the slideway to away from the cutter
Blade direction inclination.
With reference to first aspect, the present invention provides the 5th kind of possible embodiments of first aspect, wherein the locking
Part is equipped with the first limiting section, and the inner wall of the valve jacket is equipped with the second limiting section compatible with first limiting section；Described
One limiting section is matched with second limiting section and is rotated with limiting the lock piece relative to the valve jacket.
With reference to first aspect, the present invention provides the 6th kind of possible embodiments of first aspect, wherein the valve jacket
Cephalic par including extension and the connection extension, the extension have inner cavity, and the cephalic par is equipped with described in connection
The cutting edge of inner cavity；The cross section of the cephalic par has orthogonal first size direction and the second dimensional directions, and described
The size value in first size direction is greater than the size value of second dimensional directions；The cutting edge prolongs along the first size direction
It stretches.
With reference to first aspect, the present invention provides the 7th kind of possible embodiments of first aspect, wherein described minimally invasive
Incision of skin device of performing the operation further includes pilot pin；The pressing piece is equipped with the first pin hole, and the valve jacket is equipped with and first needle
The second coaxial pin hole of hole, the pilot pin are inserted in first pin hole and second pin hole.
The 7th kind of possible embodiment with reference to first aspect, the 8th kind the present invention provides first aspect are possible
Embodiment, wherein the cutter is equipped with the needle tray extended along the positioning needle axis, and the pilot pin is matched with the needle tray
It is interior.
The possible embodiment of with reference to first aspect the first, the 9th kind the present invention provides first aspect are possible
Embodiment, wherein the Minimally Invasive Surgery incision of skin device further includes locating part, and the locating part includes the first snap ring and company
The inserted link of first snap ring is connect, first snap ring is connected to the valve jacket, and the inserted link is inserted in the slideway, and described
Inserted link is located at the side that the holding section deviates from the cutter.
With reference to first aspect, the present invention provides the tenth kind of possible embodiments of first aspect, wherein the cutter
Blade dimensions be 10mm~22mm.
The embodiment of the present invention brings following the utility model has the advantages that being inserted in valve jacket respectively using cutter and elastic element, elasticity
Element is used to that cutter to be made to have the trend being contracted to inside valve jacket, and pressing piece abuts cutter, and pressing piece is used to push cutter, and
Lean out cutter from the inside of valve jacket, lock piece connect valve jacket, pressing piece relative to lock piece around lock piece axis rotation with
The mode of the axial movement of locking pressing piece drives cutter to be contracted to inside valve jacket, to make cutter not by elastic element
Use state remains retracted, and then can hurt other people to avoid cutter；Cutter can be driven to stretch by pushing pressing piece manually in art
Out, axis of the postoperative operation pressing piece relative to lock piece around lock piece rotates, so as to by pressing piece axial direction locking, in turn
Pressing piece driving cutter can be caused to lean out again to avoid maloperation；In addition, cutter stress not will cause pressing piece axial direction locking,
Cutter false-lock in art can be effectively avoided to stop.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in order to illustrate more clearly of the specific embodiment of the invention or in the related technology, below will be to specific
Attached drawing needed in embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the pressing piece of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the lock piece of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the locating part of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram one of the valve jacket of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram two of the valve jacket of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 7 is the cross-sectional view of the valve jacket of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 8 is the schematic diagram of the cutter of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of the group cyclization of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention；
Figure 10 is the explosive view of Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention.
Icon: 1- valve jacket；101- cutting edge；The second pin hole of 102-；103- boss；The second limiting section of 104-；105- baffle ring；
106- annular groove；11- extension；12- cephalic par；13- bulge loop；2- cutter；201- third pin hole；202- needle tray；21- blade；22-
Tool apron；3- elastic element；4- pressing piece；The holding section 41-；The first pin hole of 42-；5- lock piece；51- slideway；52- detent；53- stops
Back pieces；531- lug boss；54- resigning gap；The first limiting section of 55-；6- locating part；The first snap ring of 61-；62- inserted link；7- combination
Ring；The first internal ring portion of 71-；The second internal ring portion of 72-；73- inner groove；8- pilot pin；9- pressure handle.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As shown in Figure 1, Minimally Invasive Surgery incision of skin device provided in an embodiment of the present invention, comprising: valve jacket 1, cutter 2, bullet
Property element 3, pressing piece 4 and lock piece 5；Cutter 2 and elastic element 3 are inserted in valve jacket 1 respectively, and elastic element 3 is for making cutter 2
With the trend being contracted to inside valve jacket 1；Pressing piece 4 abuts cutter 2, and pressing piece 4 is used to push cutter 2, and makes cutter 2 certainly
The inside of valve jacket 1 is leant out；Lock piece 5 connects valve jacket 1, and axis of the pressing piece 4 relative to lock piece 5 around lock piece 5 is rotated to lock
The only axial movement of pressing piece 4.
Specifically, elastic element 3 is connected between valve jacket 1 and cutter 2, and cutter 2 has overhanging state and contraction state；Outside
It stretches state: by the way that pressing piece 4 is manually operated, cutter 2 is pushed by pressing piece 4 so that cutter 2 is stretched out from valve jacket 1；It shrinks
State: it is contracted to inside valve jacket 1 by the elastic force effect driving cutter 2 of elastic element 3.Pressing piece 4 has active state and lock
Only state, in ambulatory situations, pressing piece 4 can be along the axially free slidings of lock piece 5, to be driven by pushing pressing piece 4
Dynamic cutter 2 is stretched out from valve jacket 1；Axis of the pressing piece 4 relative to lock piece 5 around lock piece 5 is manually operated to rotate, so as to incite somebody to action
5 axial restraint of pressing piece 4 and lock piece, and then the axial movement of locking pressing piece 4.For example, when cutter 2 is in contraction state
When, it is rotated by pressing piece 4 relative to lock piece 5, and then be threadedly engaged pressing piece 4 with lock piece 5, it thus can be by pressing piece
4 axial lockings will not cause pressing piece 4 relative to locking when pressing piece 4 is in lockup state accidentally touching pressing piece 4
Part 5 slides axially, and then can lead to the overhanging the problem of hurting sb.'s feelings of cutter 2 to avoid because accidentally touching pressing piece 4.
It should be noted that if the axial direction locking pressing piece 4 when cutter 2 is in contraction state, cutter 2 is in elastic member at this time
State is remained retracted under the action of part 3；If the axial direction locking pressing piece 4 when cutter 2 is in overhanging state, pressing piece 4 is supported at this time
Cutter 2 is connect so that cutter 2 keeps overhanging state.Due to only being needed in opening process using overhanging cutter 2, in cutter
2 when being in overhanging state it is not necessary that lockable mechanism is arranged to pressing piece 4, only when cutter 2 be in contraction state, and pressing piece 4 is relatively
Axial locking is realized to pressing piece 4 when lock piece 5 rotates, so as to make when avoiding 2 stress of cutter along 1 axial stretching of valve jacket
At 4 false-lock of pressing piece.
As shown in Figure 1, Figure 2 and Figure 3, in embodiments of the present invention, pressing piece 4 is equipped with holding section 41；Lock piece 5 is equipped with edge
Slideway 51 axially extending and compatible with holding section 41, and connection slideway 51 and detent 52 compatible with holding section 41；
When holding section 41 is matched with slideway 51, pressing piece 4 has the freedom degree moved axially along lock piece 5；When holding section 41 cooperates
When detent 52, the axial locking of pressing piece 4.Wherein, holding section 41 is configured to convex block, and slideway 51 is configured to be arranged in lock piece 5
The sliding slot of side wall, when holding section 41 is slidably connected to slideway 51, pressing piece 4 is in active state；In the effect of elastic element 3
Lower cutter 2 is contracted in valve jacket 1, and 2 pushing part 4 of cutter makes holding section 41 slide into the one end of slideway 51 far from cutter 2；
Pressing piece 4 is pushed manually, holding section 41 is slided along slideway 51 to the direction close to cutter 2, so that pressing piece 4 pushes cutter 2, into
And cutter 2 is overhanging from 1 inside of valve jacket, so that cutter 2 carries out incision operation to skin.After completing incision operation, cutter 2 is in elasticity
It is contracted under the action of element 3 in valve jacket 1, manual operation pressing piece 4 is rotated relative to lock piece 5, and holding section 41 is along lock piece 5
It is circumferential slide and be matched with detent 52, so as to realize the axial locking of pressing piece 4.
Further, retaining part 53 is connected in detent 52, retaining part 53 is for preventing holding section 41 from deviating from from detent 52.Its
In, retaining part 53 can be configured to the block that 52 opening of detent is arranged in, alternatively, retaining part 53 is configured to be arranged in detent 52
The magnetic part in portion；When holding section 41 is matched with detent 52, retaining part 53 is kept away by way of abutting blocking or magnetic force attraction
Exempt from holding section 41 to deviate from from detent 52.
Further, retaining part 53 includes flexible claw, and claw extends from detent 52 away from one end of slideway 51
To the opening of detent 52, so that claw forms resigning gap 54 away from the side of detent 52；Claw is equipped with convex towards detent 52
The lug boss 531 risen.Wherein, resigning gap 54 be located at claw deviate from cutter 2 side, lug boss 531 towards close to cutter 2 side
To protrusion, and lug boss 531 is equipped with and cuts oblique inclined-plane to the direction close to cutter 2 from inside the opening to detent 52 of detent 52.
When pressing piece 4 is rotated relative to lock piece 5, holding section 41 is connected to inclined-plane, to expression lobes portion 531 and make claw direction
54 elastic bending of resigning gap, until holding section 41 slides into lug boss 531 and deviates from from 52 open side of detent, claw springs back and makes
Lug boss 531 abuts holding section 41, to prevent holding section 41 from deviating from from detent 52.Under the action of elastic element 3, cutter
2 pushing parts 4, holding section 41 are connected to retaining part 53, and then may insure that holding section 41 comes into full contact with retaining part 53, reach
To the purpose for avoiding holding section 41 from deviating from from detent 52.As a result, cutter 2 can after surgery received under the action of elastic element 3
Contracting, and can be manually rotated pressing piece 4, so that by the axial locking of pressing piece 4, retaining part 53 avoids holding section 41 from taking off from detent 52
Out, it and then realizes active disposable protection, avoids because accidentally touching pressing piece 4 causes the cutter after 2 is overhanging to hurt sb.'s feelings.
Further, from one end of connection slideway 51 to deviating from one end detent 52 of slideway 51 to the blade for deviating from cutter 2
Direction inclination.Wherein, slideway 51 is configured to sliding slot, and detent 52 is configured to card slot, and card slot open communication sliding slot.Push pressing piece
When 4, holding section 41 is slided to the direction close to cutter 2 along the chute, though because caused by misoperation holding section 41 it is sliding into card slot
It is dynamic, still holding section 41 can be made to skid off from inclined card slot by further pushing pressing piece 4, it is possible thereby to avoid cutting in operation
Pressing piece 4 generates clamping stagnation during knife 2 is overhanging.When operating pressing piece 4 relative to the rotation of lock piece 5, holding section 41 is along detent 52
Sliding, it is mobile to the direction for deviating from cutter 2 relative to lock piece 5 so as to make holding section 41, and then elastic element 3 can be into one
Step pushes cutter 2 to 1 contract of valve jacket.
As shown in Fig. 1, Fig. 3 and Fig. 6, lock piece 5 is equipped with the first limiting section 55, and the inner wall of valve jacket 1 is equipped with and the first limit
Compatible second limiting section 104 in portion 55；First limiting section 55 be matched with the second limiting section 104 with limit lock piece 5 relative to
Valve jacket 1 rotates.Wherein, the first limiting section 55 is configured to that the groove of 5 side wall of lock piece is arranged in, and the second limiting section 104 is configured to
The inserted block of 1 inner sidewall of valve jacket is set；Alternatively, the first limiting section 55 is connected to the inserted block of 5 side wall of lock piece, the second limiting section
104 are configured to groove；Inserted block is inserted in groove, rotates so as to limit lock piece 5 relative to valve jacket 1 around own axes.This
Outside, lock piece 5 can be used screw with valve jacket 1 and connect or snap connection realization axial restraint.
As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, valve jacket 1 includes extension 11 and the cephalic par 12 for connecting extension 11, is extended
Portion 11 has inner cavity, and cephalic par 12 is equipped with the cutting edge 101 of connection inner cavity；The cross section of cephalic par 12 has orthogonal first
Dimensional directions and the second dimensional directions, and the size value in first size direction is greater than the size value of the second dimensional directions；Cutting edge 101
Extend along first size direction.Wherein, the cross-sectional profile of extension 11 is typically configured to circle, more comfortable to obtain
Hold sense；The cross-sectional shape of cephalic par 12 can be configured to ellipse, length direction or diamond shape, and 12 cross section of cephalic par is mutually hung down
The size value in straight first size direction and the size value in first size direction can be by visually differentiating size, and then can determine whether cutting edge
101 extending direction, so that patient knows the direction of 101 inner cutter 2 of cutting edge.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 7 and Figure 10, Minimally Invasive Surgery incision of skin device further includes pilot pin 8；Pressing piece 4
Equipped with the first pin hole 42, valve jacket 1 is equipped with second pin hole 102 coaxial with the first pin hole 42, and pilot pin 8 is inserted in the first pin hole 42
With the second pin hole 102.Wherein, pilot pin 8 can be slided along the first pin hole 42 and the second pin hole 102, i.e. pilot pin 8 is from the first pin hole
42 are inserted into away from one end of cutter 2, and pass through the second pin hole 102 and be inserted in patient to realize to the positioning with incision site.To
It after pilot pin 8 is pierced into human body and realizes positioning, pushes pressing piece 4 and cutter 2 is driven to lean out from cutting edge 101, to realize in marker bit
Set incision operation.
Further, the extending direction of the second pin hole 102 is parallel to cutting edge 101, and the second pin hole 102 connects with cutting edge 101
It is logical.
As shown in figs. 1,7 and 8, cutter 2 is equipped with the needle tray 202 extended along 8 axis of pilot pin, and pilot pin 8 is matched with
In needle tray 202.Specifically, 8 clearance fit of pilot pin in needle tray 202, can play support by needle tray 202 to pilot pin 8 and make
With, and then 8 stress of pilot pin is avoided to be bent.In addition, pilot pin 8 is matched with needle tray 202, pilot pin 8 is thus made to be close to cutter
2, and then the position for plugging pilot pin 8 is conducive to improve the accurate fixed of notch positioning closer to incision site.
Further, the side of cephalic par 12 towards 11 inner cavity of extension is connected with baffle ring 105, baffle ring 105 and extension
Annular groove 106 is formed between 11 intracavity sidewall.Elastic element 3 is configured to spring, and one end of spring is inserted in annular groove 106, and supports
Fitting end 12, the other end of spring are connected to cutter 2, retract into extension 11 to make cutter 2 have by spring
The trend of chamber.
Further, the intracavity sidewall of extension 11 is equipped with boss 103, and lock piece 5 is connected to boss 103, to realize
To the axially position of lock piece 5, and prevent lock piece 5 to close to the movement of the direction of cutter 2.
Further, cutter 2 includes blade 21 and the tool apron 22 for connecting blade 21, and the section of tool apron 22 is using round, knife
In the inner cavity of 22 clearance fits of seat and extension 11, blade 21 is inserted in cutting edge 101.Tool apron 22 is equipped with third pin hole 201, and
Third pin hole 201 and the first pin hole 42 are coaxial, and needle tray 202 is arranged on blade 21, and the section of needle tray 202 is and third pin hole
The concentric semicircle in 201 section.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, Minimally Invasive Surgery incision of skin device further includes locating part 6, and locating part 6 includes
The inserted link 62 of the first snap ring 61 of first snap ring 61 and connection, the first snap ring 61 are connected to valve jacket 1, and inserted link 62 is inserted in slideway 51,
And inserted link 62 is located at the side that holding section 41 deviates from cutter 2.Wherein, the circumferentially spaced setting of multiple slideways 51, multiple inserted links 62
It is inserted in multiple slideways 51 correspondingly, to block the opening of slideway 51 by inserted link 62, avoids holding section 41 from slideway
Deviate from 51.Postoperative cutter 2 is contracted in valve jacket 1 under the action of elastic element 3, and 2 pushing part 4 of cutter, makes to engage
Portion 41 abuts inserted link 62, and holding section 41 is located at the opening of detent 52 at this time, and operation pressing piece 4 can relative to the rotation of lock piece 5
Holding section 41 is set to be matched with detent 52.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 9 and Figure 10, extension 11 is equipped with convex far from one end outer wall of cephalic par 12
Ring 13.Group cyclization 7 connects bulge loop 13 to realize axially position, and group cyclization 7 includes the first semi-ring being detachably connected and the second half
Ring, the first semi-ring and the second semi-ring, which can be used magnetic force and attract each other, be bolted or snap connection realization, to be detachably connected.The
The inner sidewall of one semi-ring and the second semi-ring is successively arranged the first internal ring portion 71, the second internal ring portion 72 and inner groove 73 along axial direction,
And first internal ring portion 71 internal diameter less than the second internal ring portion 72 internal diameter.When assembling Minimally Invasive Surgery incision of skin device, the first half
Ring and the second semi-ring connect and are arranged valve jacket 1, and bulge loop 13 is inserted in inner groove 73, and the second internal ring portion 72, which abuts extension 11, to deviate from
The end face of cephalic par 12, the first internal ring portion 71 are connected to the first snap ring 61, and the first snap ring 61 deviates from the side of the first internal ring portion 71
Lock piece 5 is abutted, and then realizes the axial restraint of lock piece 5, locating part 6 and valve jacket 1.
Further, pressing piece 4 connects pressure handle 9 away from one end of cutter 2, increases hand by pressure handle 9 and presses pressing piece 4
When contact area, consequently facilitating hand-held operation.Also, the outer of pressure handle 9 avoids being equipped with ripple, skidding when preventing from holding.Its
In, pressure handle 9 is connect with pressing piece 4 by being threadedly engaged, and pressure handle 9 is equipped with perforative 4th pin hole, and the 4th pin hole is located at pressure
The off-axis line position of handle 9, pilot pin 8 passes through the 4th pin hole and is inserted in pressing piece 4, so as to play circumferential limit to pressure handle 9
The effect of position, and then pressure handle 9 is avoided to rotate relative to pressing piece 4, prevent threaded connection place from loosening.
As illustrated in figures 1 and 8, the blade dimensions W of cutter 2 is 10mm~22mm.Can according to the requirement of operative incision width,
The cutter 2 of corresponding blade dimensions W is selected, so as to precisely obtain required incision size, without during incision of skin
Carry out secondary incision or repairing.Wherein, the blade dimensions W of cutter 2 can be configured to tri- kinds of specifications of 10mm, 16mm and 22mm, patient
The cutter 2 with corresponding blade dimensions W is selected according to required edge of a knife size, single incision can obtain required operation in art
Notch.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (11)
1. a kind of Minimally Invasive Surgery incision of skin device characterized by comprising valve jacket (1), elastic element (3), is pressed cutter (2)
Casting die (4) and lock piece (5)；
The cutter (2) and the elastic element (3) are inserted in the valve jacket (1) respectively, and the elastic element (3) is for making institute
Stating cutter (2) has the trend for being contracted to the valve jacket (1) inside；
The pressing piece (4) abuts the cutter (2), and the pressing piece (4) is used to push the cutter (2), and makes described
The inside of cutter (2) from the valve jacket (1) is leant out；
The lock piece (5) connects the valve jacket (1), and the pressing piece (4) is relative to the lock piece (5) around the lock piece
(5) axis is rotated with the axial movement of pressing piece described in locking (4).
2. Minimally Invasive Surgery incision of skin device according to claim 1, which is characterized in that the pressing piece (4) is equipped with card
Conjunction portion (41)；
The lock piece (5) is equipped with and axially extends and the compatible slideway (51) with the holding section (41), and connection institute
State slideway (51) and the compatible detent (52) with the holding section (41)；
When the holding section (41) are matched with the slideway (51), the pressing piece (4) has to be moved axially along lock piece (5)
Freedom degree；
When the holding section (41) are matched with the detent (52), the axial locking of the pressing piece (4).
3. Minimally Invasive Surgery incision of skin device according to claim 2, which is characterized in that connection stops in the detent (52)
Back pieces (53), the retaining part (53) is for preventing the holding section (41) from deviating from from the detent (52).
4. Minimally Invasive Surgery incision of skin device according to claim 3, which is characterized in that the retaining part (53) includes tool
Flexible claw, the claw extend to the detent (52) away from the one end of the slideway (51) from the detent (52)
Opening, so that the claw forms resigning gap (54) away from the side of the detent (52)；
The claw is equipped with the lug boss (531) towards the detent (52) protrusion.
5. Minimally Invasive Surgery incision of skin device according to claim 2, which is characterized in that from the connection slideway (51)
Detent described in one end to the one end for deviating from the slideway (51) (52) is tilted to the direction of the blade away from the cutter (2).
6. Minimally Invasive Surgery incision of skin device according to claim 1, which is characterized in that the lock piece (5) is equipped with the
The inner wall of one limiting section (55), the valve jacket (1) is equipped with first limiting section (55) compatible second limiting section
(104)；
First limiting section (55) is matched with second limiting section (104) to limit the lock piece (5) relative to described
Valve jacket (1) rotation.
7. Minimally Invasive Surgery incision of skin device according to claim 1, which is characterized in that the valve jacket (1) includes extending
The cephalic par (12) in portion (11) and the connection extension (11), the extension (11) have inner cavity, the cephalic par (12)
Equipped with the cutting edge (101) for being connected to the inner cavity；
The cross section of the cephalic par (12) has orthogonal first size direction and the second dimensional directions, and described first
The size value of dimensional directions is greater than the size value of second dimensional directions；
The cutting edge (101) extends along the first size direction.
8. Minimally Invasive Surgery incision of skin device according to claim 1, which is characterized in that the Minimally Invasive Surgery incision of skin
Device further includes pilot pin (8)；
The pressing piece (4) is equipped with the first pin hole (42), and the valve jacket (1) is equipped with second coaxial with first pin hole (42)
Pin hole (102), the pilot pin (8) are inserted in first pin hole (42) and second pin hole (102).
9. Minimally Invasive Surgery incision of skin device according to claim 8, which is characterized in that the cutter (2) is equipped with along institute
The needle tray (202) of pilot pin (8) axis extension is stated, the pilot pin (8) is matched in the needle tray (202).
10. Minimally Invasive Surgery incision of skin device according to claim 2, which is characterized in that the Minimally Invasive Surgery skin is cut
Opening apparatus further includes locating part (6), and the locating part (6) is including the first snap ring (61) and connects inserting for first snap ring (61)
Bar (62), first snap ring (61) are connected to the valve jacket (1), and the inserted link (62) is inserted in the slideway (51), and institute
It states inserted link (62) and is located at the side that the holding section (41) deviates from the cutter (2).
11. Minimally Invasive Surgery incision of skin device according to claim 1, which is characterized in that the blade ruler of the cutter (2)
Very little W is 10mm~22mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709818.3A CN110301963A (en) | 2019-08-01 | 2019-08-01 | Minimally Invasive Surgery incision of skin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709818.3A CN110301963A (en) | 2019-08-01 | 2019-08-01 | Minimally Invasive Surgery incision of skin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110301963A true CN110301963A (en) | 2019-10-08 |
Family
ID=68082746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709818.3A Pending CN110301963A (en) | 2019-08-01 | 2019-08-01 | Minimally Invasive Surgery incision of skin device |
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| Country | Link |
|---|---|
| CN (1) | CN110301963A (en) |
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|---|---|---|---|---|
| US6051005A (en) * | 1997-09-26 | 2000-04-18 | Brandsey; Edward P. | Laparoscopic knife |
| US20050065541A1 (en) * | 2003-09-24 | 2005-03-24 | Alb Associates, Llc | Guarded surgical scalpel with blade stripper lock to prevent accidental or inadvertent ejection of the blade |
| CN105030304A (en) * | 2015-08-07 | 2015-11-11 | 云南省第二人民医院 | Adjustable minimally invasive skin cutting knife |
| KR20160019159A (en) * | 2014-08-11 | 2016-02-19 | 박영세 | Laparoscopic cutting for laparoscopic surgery |
| CN107175695A (en) * | 2016-03-09 | 2017-09-19 | 杭州巨星科技股份有限公司 | Integral type cutter head and hand knife |
| CN109567901A (en) * | 2019-01-03 | 2019-04-05 | 郑明友 | Protection type incision surgical knife under hysteroscope |
| CN210811378U (en) * | 2019-08-01 | 2020-06-23 | 王文军 | Minimally invasive surgery skin incision device |
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2019
- 2019-08-01 CN CN201910709818.3A patent/CN110301963A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6051005A (en) * | 1997-09-26 | 2000-04-18 | Brandsey; Edward P. | Laparoscopic knife |
| US20050065541A1 (en) * | 2003-09-24 | 2005-03-24 | Alb Associates, Llc | Guarded surgical scalpel with blade stripper lock to prevent accidental or inadvertent ejection of the blade |
| KR20160019159A (en) * | 2014-08-11 | 2016-02-19 | 박영세 | Laparoscopic cutting for laparoscopic surgery |
| CN105030304A (en) * | 2015-08-07 | 2015-11-11 | 云南省第二人民医院 | Adjustable minimally invasive skin cutting knife |
| CN107175695A (en) * | 2016-03-09 | 2017-09-19 | 杭州巨星科技股份有限公司 | Integral type cutter head and hand knife |
| CN109567901A (en) * | 2019-01-03 | 2019-04-05 | 郑明友 | Protection type incision surgical knife under hysteroscope |
| CN210811378U (en) * | 2019-08-01 | 2020-06-23 | 王文军 | Minimally invasive surgery skin incision device |
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