CN110141369A - A kind of Wound protector adapting to small notch - Google Patents
A kind of Wound protector adapting to small notch Download PDFInfo
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- CN110141369A CN110141369A CN201910412707.6A CN201910412707A CN110141369A CN 110141369 A CN110141369 A CN 110141369A CN 201910412707 A CN201910412707 A CN 201910412707A CN 110141369 A CN110141369 A CN 110141369A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a kind of Wound protectors for adapting to small notch, its key points of the technical solution are that including the membrane casing for being used to form operation path, outer ring at the top of membrane casing is set, the merging ring of membrane casing bottom is set, cavity is provided in merging ring, merging ring inner wall is provided with the wire for strutting merging collar extension diameter, one end of wire is provided with mounting blocks, mounting blocks are fixed on merging ring inner wall, through-hole is provided on mounting blocks, wire passes through through-hole, its mounting blocks is socketed wire and forms a mobilizable annular ring, accommodating chamber is provided in membrane casing, the accommodating chamber and the cavity of merging ring are mutually communicated, the wire other end enters outer ring by accommodating chamber, winding component is provided on outer ring, one end that wire protrudes into outer ring is connected on winding component, winding component is straight for adjusting annular ring Diameter size, beneficial effects of the present invention protrude into notch and taking-up for convenience of the caliber size for adjusting merging ring, convenient for merging ring.
Description
Technical field
The present invention relates to a kind of Wound protector, more particularly to a kind of Wound protector for adapting to small notch.
Background technique
In surgery laparotomy ventrotomy, after doctor cuts patients surgery position, because tissue contracts act on, notch can be in close
Conjunction state.In the past, doctor can be pulled open notch using metal tractor or drag hook after patient skin incision, to reach sudden and violent
Reveal the purpose of surgical field of view, but drawing situation excessively inadequate to tearing wound or exposure angle frequent occurrence.It has ground at present
It issues various Wound protectors and is applied to clinic, usually outer ring, merging ring and sleeve-shaped film between the two.At this stage,
The merging ring of Wound protector is stretched in notch, outer ring stops in vitro, to achieve the purpose that open notch, doctor
Operation can be imposed to patient in the operation path that sleeve-shaped film is formed.However, the merging ring of existing Wound protector
Size is fixed, and the caliber size for being placed in ring cannot be adjusted, and in the operation of some small notch, is needed to press merging ring, is made
It is placed into notch after merging ring deformation retract, if misoperation, is easy drawing notch, so that cutout area increases, increases
The time for having added patient wound to heal；Meanwhile at the end of small incision surgery, since merging ring is difficult to deform, cause to be placed in ring
It takes out difficult.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of incision protection for adapting to small notch
Device, the Wound protector facilitate the caliber size for adjusting merging ring, protrude into notch and taking-up convenient for merging ring.
To achieve the above object, the present invention provides the following technical scheme that a kind of Wound protector for adapting to small notch, packet
It includes and is used to form the membrane casing of operation path, the outer ring being arranged at the top of membrane casing, setting for membrane casing bottom is set
Enter ring, be provided with cavity in the merging ring, the wire for strutting merging collar extension diameter, the gold are provided in the cavity
The one end for belonging to silk is provided with mounting blocks, and the mounting blocks are fixed on merging ring inner wall, are provided on the mounting blocks logical
Hole, the wire pass through through-hole, and mounting blocks are socketed wire and form a mobilizable annular ring, in the membrane casing
It is provided with accommodating chamber, the accommodating chamber and the cavity of merging ring are mutually communicated, and the wire other end enters outer by accommodating chamber
Ring is provided with winding component on the outer ring, and one end that the wire protrudes into outer ring is connected on winding component, the winding
Component is for adjusting annular ring diameters size.
As a further improvement of the present invention, the winding component includes the reel and driving volume for winding wire
The driving assembly of cylinder rotation, the outer ring are provided with the groove of upper end opening in the one side far from merging ring, the groove includes
Bottom plate backwards to open side and the first side plate close to accommodating chamber side, the spool turns are arranged on bottom plate, and described first
Through-hole is provided on side plate, the wire passes through through-hole far from one end of mounting blocks and is connected on the periphery wall of reel, described
Driving assembly includes the first ring gear, lantern ring and the second ring gear, and the lantern ring is set on the outer wall of outer ring, and the groove includes
The second side plate close to lantern ring side, through slot is provided on second side plate, and the first ring gear fixation is set in reel
It on periphery wall, and is stretched out from through slot far from the side of accommodating chamber, second ring gear is arranged on internal surface of sleeve pipe, and from through slot
The the first ring gear engagement stretched out, when rotational lantern ring, the first ring gear and the second ring gear engagement rotation, spool turns, wire receipts
It rolls up on reel.
As a further improvement of the present invention, the winding component further includes the locking mechanism for locking reel, described
Locking mechanism includes cutting and spring, is provided on the periphery wall of the reel to the limit hole radially extended, the cutting is put
It is placed in limit hole, the spring one end is connected to the second lateral plates in the one side of reel, and the other end is connected in cutting, institute
Stating spring keeps cutting to protrude into limit hole.
As a further improvement of the present invention, it is additionally provided with the unlocking mechanism of the lock state for releasing reel, it is described
Unlocking mechanism includes the pressing lever being slidably arranged on reel and the conflict block that is arranged on pressing lever periphery wall, the reel back
The holding tank for accommodating pressing lever is provided in the one side of bottom plate, the pressing lever is slidably connected in holding tank, the limit
Hole, which extends internally, the first sliding groove penetrated through with holding tank, and one end that reel is protruded into the cutting is located in first sliding groove, and holds
The corresponding side in pressing lever glide direction in portion is provided with the first inclined-plane contradicted for conflict block, when pressing lever drives conflict block
When moving along first sliding groove, conflict block is moved along the first slope driving cutting to limit hole side is detached from, and limit is protruded into the cutting
Two sides of the position hole one end in opposite spool turns tangential direction are provided with the second inclined-plane, and second inclined-plane is used for and limit hole
Inner wall contradicts, and when pressing lever is moved along holding tank to bottom plate, conflict block is moved along first sliding groove, until conflict block is oblique with first
When face contradicts, cutting is mobile to the second side plate, spring-compressed, until the second inclined-plane stretches out limit hole, rotational lantern ring, the first ring gear
With the second ring gear engagement rotation, spool turns, the second inclined-plane and limit hole inner wall are contradicted, and spring continues to compress, and cutting is detached from limit
Position hole.
As a further improvement of the present invention, one section of the pressing lever stretching holding tank is provided with card slot, the reel
Rotation is provided with cam in the one side of bottom plate, and the cam includes protruding portion, and when cam rotates, protruding portion is embedded in card slot lock
Determine pressing lever.
As a further improvement of the present invention, second side plate is in cutting with respect to the two sides in spool turns tangential direction
It is provided with baffle, the baffle is for keeping cutting to move linearly.
As a further improvement of the present invention, it is provided with sliding block on the outer wall of the outer ring, is arranged on the lantern ring inner wall
There are the second sliding slot circumferentially moved for sliding block, the second sliding slot and sliding block slidable connection.
Beneficial effects of the present invention: by the winding of winding component or expansion wire in the present invention, so that annular ring is straight
Diameter is adjustable, to change the caliber size of merging ring, improves the use scope of the Wound protector；With in the prior art
It compares, easy to operate, the merging 2 after bore becomes smaller is put into inside notch or is relatively easy to from notch taking-up, reduces operation
Difficulty；During being put into merging ring, significantly reduces merging ring and notch is pullled, improve the safety of operation.
Detailed description of the invention
Fig. 1 is outside schematic diagram of the present invention；
Fig. 2 is internal view of the present invention；
Fig. 3 is to be placed in ring to look up interior views under state；
Fig. 4 is enlarged view at A in Fig. 2；
Fig. 5 is internal view of the reel under the state of unlocking；
Fig. 6 is top view of the reel in the second inclined-plane stretching limit hole.
Appended drawing reference: 1, outer ring；10, groove；111, bottom plate；101, the first side plate；102, the second side plate；1010, through-hole；
1020, through slot；12, sliding block；2, it is placed in ring；20, cavity；21, mounting blocks；210, guide hole；22, wire；23, annular ring；
3, membrane casing；30, accommodating chamber；41, reel；410, limit hole；411, holding tank；412, first sliding groove；43, cutting；431,
First inclined-plane；432, the second inclined-plane；44, spring；45, lantern ring；450, second sliding slot；46, the first ring gear；47, the second ring gear；5,
Pressing lever；51, conflict block；50, card slot；6, baffle；7, cam；71, protruding portion.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical components are with identical
Appended drawing reference indicates.
Referring to Fig.1 shown in -6, a kind of Wound protector of adaptation small notch of the present embodiment, including be used to form operation and lead to
The membrane casing 3 in road, the outer ring 1 that 3 top of membrane casing is set, the merging ring 2 that 3 bottom of membrane casing is set, it is described to set
Enter and be provided with cavity 20 in ring 2, the wire 22 for strutting merging 2 bore of ring, the wire are provided in the cavity
22 one end is provided with mounting blocks 21, and the mounting blocks 21 are fixed on merging 2 inner wall of ring, are arranged on the mounting blocks 21
There is guide hole 210, the wire 22 passes through guide hole 210, and it is mobilizable that mounting blocks 21 are socketed the formation of wire 22 one
Annular ring 23 is provided with accommodating chamber 30 in the membrane casing 3, and the accommodating chamber 30 and the cavity 20 for being placed in ring 2 are mutually communicated, institute
It states 22 other end of wire and outer ring 1 is entered by accommodating chamber 30, be provided with winding component, the wire 22 on the outer ring 1
The one end for protruding into outer ring 1 is connected on winding component, and the winding component is for adjusting 23 diameter of annular ring.
Outer ring 1 and inner ring are used to strut two bores up and down of membrane casing 3 respectively in the present embodiment, and outer ring 1 does not have
Elasticity, membrane casing 3 are connected on the lower end surface of outer ring 1, are placed in ring 2 by the medical high molecular material of flexible softness
It is made, wire 22 is located in merging ring 2, and 22 hard slippery of wire has the function of memory elasticity, not by external force
Under state, the annular ring 23 that can strut merging ring 2 is formed, the caliber size of merging ring 2 is determined by the diameter of annular ring 23,
When need reduce merging 2 bore of ring when, by wind component, make wire 22 be not attached to mounting blocks 21 one end wound in
It winds in component, the length of the wire 22 outside winding component reduces, and the diameter of annular ring 23 reduces, so that merging ring 2
Bore reduces, at this point, merging ring 2 facilitates into notch, after being placed in 2 notch of ring, again by winding component, receives so that being located at
The length again of wire 22 outside wound module increases, and annular ring 23 has the function of elastic memory, so that the diameter of annular ring 23
Again increase, the bore of merging ring 2 increases, at this point, merging ring 2 is not easy to skid off from notch, does not influence subsequent surgical procedure.
By the winding of winding component or expansion wire 22 in the present invention, so that the diameter of annular ring 23 is adjustable, from
And change the caliber size of merging ring 2, improve the use scope of the Wound protector；Compared in the prior art, operation letter
Single, the merging ring 2 after bore becomes smaller is put into inside notch or is relatively easy to from notch taking-up, reduces the difficulty of operation；It is putting
During entering to be placed in ring 2, significantly reduces merging ring 2 and notch is pullled, improve the safety of operation.
As a kind of improved specific embodiment, the winding component include for wind the reel 41 of wire 22 with
And the driving assembly that driving reel 41 rotates, the outer ring 1 is far from the groove for being provided with upper end opening in the one side for being placed in ring 2
10, the groove 10 includes the bottom plate 111 backwards to open side and the first side plate 101 close to 30 side of accommodating chamber, the reel
41 are rotatably arranged on bottom plate 111, are provided with through-hole 1010 on first side plate 101, and the wire 22 is far from mounting blocks
21 one end passes through through-hole 1010 and is connected on the periphery wall of reel 41, and the driving component includes the first ring gear 46, lantern ring 45
And second ring gear 47, the lantern ring 45 are set on the outer wall of outer ring 1, the groove 10 includes close to the of 45 side of lantern ring
Two side plates 102 are provided with through slot 1020 on second side plate 102, and first ring gear 46 is fixed to be set in the outer of reel 41
On peripheral wall, and the side far from accommodating chamber 30 is stretched out from through slot 1020, and second ring gear 47 is arranged on internal surface of sleeve pipe, with
The first ring gear 46 engagement stretched out from through slot 1020, when rotational lantern ring 45,47 engagement rotation of the first ring gear 46 and the second ring gear,
Reel 41 rotates, and wire 22 is wound on reel 41.
In the present embodiment, the fixed reel 41 that is set in of the first ring gear 46 is close to the side of bottom plate 111, and wire 22 is far from peace
One end of dress block 21 is connected to the middle part of reel 41, and when needing rotating drum 41 to wind wire 22, rotational lantern ring 45 makes
The second ring gear 47 and 46 engagement rotation of the first ring gear on reel 41, reel 41 obtained on 45 inner wall of lantern ring rotates, wire 22
It is wound on reel 41.Wire 22 can be wound by rotational lantern ring 45 in the present invention, structure is simple, and it is easy to operate, and
Lantern ring 45 is set on outer ring 1, small volume, compared with being arranged to handle, it is not easy to because of unexpected touch.
As a kind of improved specific embodiment, the winding component further includes the locking machine for locking reel 41
Structure, the locking mechanism include cutting 43 and spring 44, are provided on the periphery wall of the reel 41 to the limit radially extended
Hole 410, the cutting 43 are placed in limit hole 410, and described 44 one end of spring is connected to the second side plate 102 towards reel 41
On on one side, the other end is connected in cutting 43, and the spring 44 keeps cutting 43 to protrude into limit hole 410.
The present embodiment passes through the first spring 44 of setting by placing cutting 43 in limit hole 410, so that keeping cutting
43 is mobile to limit hole 410, so that reel 41 is locked, cannot be freely rotated, and example of the present invention is avoided by setting locking mechanism
Wire 22 of the winding on reel 41 still has the elasticity restored, and the case where be actively detached from reel 41.
As a kind of improved specific embodiment, it is additionally provided with the solution lock machine of the lock state for releasing reel 41
Structure, the unlocking mechanism include the conflict for being slidably arranged in the pressing lever 5 inside reel 41 He being arranged on 5 periphery wall of pressing lever
Block 51, the reel 41 are provided with the holding tank 411 for accommodating pressing lever 5 in the one side of bottom plate 111, and the pressing lever 5 is sliding
Dynamic to be connected in holding tank 411, the limit hole 410, which extends internally, the first sliding groove 412 penetrated through with holding tank 411, described
One end that reel 41 is protruded into cutting 43 is located in first sliding groove 412, and the corresponding side in 5 glide direction of pressing lever in end is set
It is equipped with the first inclined-plane 431 contradicted for conflict block 51, when pressing lever 5 drives conflict block 51 to move along first sliding groove 412, is contradicted
Block 51 pushes cutting 43 to move to 410 side of limit hole is detached from along the first inclined-plane 431, and limit hole 410 1 is protruded into the cutting 43
It holds and the two sides in the rotation tangential direction of reel 41 is provided with the second inclined-plane 432, second inclined-plane 432 is used for and limit
410 inner wall of hole contradicts, and when pressing lever 5 is moved along holding tank 411 to bottom plate 111, conflict block 51 is moved along first sliding groove 412,
When conflict block 51 and the first inclined-plane 431 contradict, cutting 43 is mobile to the second side plate 102, and spring 44 compresses, until second is oblique
The stretching of face 432 limit hole 410, rotational lantern ring 45,47 engagement rotation of the first ring gear 46 and the second ring gear, reel 41 rotate, and second
Inclined-plane 432 and 410 inner wall of limit hole contradict, and spring 44 continues to compress, and cutting 43 is detached from limit hole 410.
In the initial state, limited block, and one end position of the cutting 43 far from the second side plate 102 are protruded into cutting 43 to the present embodiment
In in first sliding groove 412, conflict block 51 is located at cutting 43 back to the side of bottom plate 111, when the locking shape for needing to release reel 41
When state, by pressing pressing lever 5, so that pressing lever 5 and conflict block 51 are moved along holding tank 411 and first sliding groove 412 respectively,
Until conflict block 51 is moved to when contradicting with the first inclined-plane 431, cutting 43 is moved along limit hole 410 to the second side plate 102, spring
44 compressions when the inner wall of conflict block 51 and first sliding groove 412 contradicts, are pressed at this time until conflict block 51 and the first inclined-plane 431 are detached from
Compression bar 5 cannot continue to move down, and under the elastic force of spring 44, conflict block 51 is still contradicted with cutting 43, and setting is remote in cutting 43
The second inclined-plane 432 on one end from the second side plate 102 stretches out limit hole 410, rotational lantern ring 45, the first ring gear 46 and the second tooth
47 engagement rotation of ring, band movable reel 41 rotate, and the second inclined-plane 432 is contradicted with 410 inner wall of limit hole, and spring 44 continues to compress, and insert
Item 43 is detached from limit hole 410, in the rotation process of reel 41, under being acted on due to the elastic force of spring 44, so that cutting 43 still has
There are the movement tendency mobile backwards to the second side plate 102, when limit hole 410 is turned to reel 41 positioned at 43 side of cutting, bullet
Spring 44 extends again, and cutting 43 enters limit hole 410, continues to rotate lantern ring 45 at this time, so that reel 41 rotates, tiltedly by second
Face 432 and 410 inner wall of limit hole contradict, so that the another second compression of spring 44, cutting 43 are detached from limit hole 410 again, do not influence
Reel 41 continues to wind wire 22.After rotating several circles, when needing to relock reel 41, cutting 43 is realigned into limit
Position hole 410, spring 44 extend, and cutting 43 enters limit hole 410, then backwards to the mobile pressing lever 5 in 411 direction of holding tank, so that pressing
Conflict block 51 and cutting 43 on compression bar 5 are detached from, and spring 44 continues to extend, and cutting 43 is mobile to first sliding groove 412, until cutting
43 contradict with 412 inner wall of first sliding groove again, that is, are in the lock state.
Unlocking mechanism during the present invention is logical, it is only necessary to which user can solve to 411 direction of holding tank pressing pressing lever 5 manually
Except locking, while keeping pressing lever 5 to be pressed, wire 22 can be wound on reel 41, work as needs by rotating casing
When relocking, cutting 43 is realigned into limit hole 410, backwards to the mobile pressing lever 5 in 411 direction of holding tank, structure letter
Single, easy to operate, the inside of inner ring is arranged in unlocking mechanism, reduces and blocks to surgical field of view.
As a kind of improved specific embodiment, one section of the stretching of pressing lever 5 holding tank 411 is provided with card slot
50, the reel 41 rotation in the one side of bottom plate 111 is provided with cam 7, and the cam 7 includes protruding portion 71, when cam 7
Rotation, protruding portion 71 are embedded in card slot 50 and lock pressing lever 5.
The present embodiment by press pressing lever 5 unlock state when, the second inclined-plane 432 has stretched out limit hole 410, if
It sets card slot 50 on pressing lever 5 and cam 7 is in the same plane, by rotation cam 7, so that protruding portion 71 is embedded in card slot
50, i.e. lockable pressing lever 5, user can singlehanded rotational lantern ring 45 can wind wire 22, without simultaneously by pressing
Compression bar 5 improves convenience of the invention.
As a kind of improved specific embodiment, second side plate 102 rotates tangent line relative to reel 41 in cutting 43
Two sides on direction are provided with baffle 6, and the baffle 6 is for keeping cutting 43 to move linearly.
Through the above technical solutions, cutting 43 is located between two baffles 6, offset with baffle 6, by the way that baffle 6 is arranged, makes
Cutting 43 is obtained when locking under 41 state of reel, is avoided since spring 44 has flexibility, reel 41 is being easy to turn by external force
Dynamic situation improves the effect that locking cutting 43 locks reel 41.
As a kind of improved specific embodiment, it is provided with sliding block 12 on the outer wall of the outer ring 1, in the lantern ring 45
The second sliding slot 450 circumferentially moved for sliding block 12, the second sliding slot 450 and 12 slidable connection of sliding block are provided on wall.
Through the above technical solutions, by setting second sliding slot 450 and sliding block 12, so that lantern ring 45 can be 1 turn with respect to outer ring
It is dynamic, and it is in meshing state state always in the first ring gear 46 and the second ring gear 47, lantern ring 45 is not easily disconnected from outer ring 1.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of Wound protector for adapting to small notch, it is characterised in that: the membrane casing including being used to form operation path
(3), merging ring (2) of the outer ring (1), setting being arranged at the top of membrane casing (3) in membrane casing (3) bottom, the merging
It is provided with cavity (20) in ring (2), the wire (22) for strutting merging ring (2) bore is provided in the cavity (20),
One end of the wire (22) is provided with mounting blocks (21), and the mounting blocks (21) are fixed on merging ring (2) inner wall,
It is provided with guide hole (210) on the mounting blocks (21), the wire (22) passes through guide hole (210), mounting blocks (21)
It is socketed wire (22) and forms a mobilizable annular ring (23), be provided with accommodating chamber (30) in the membrane casing (3), it should
Accommodating chamber (30) and be placed in ring (2) cavity (20) be mutually communicated, wire (22) other end by accommodating chamber (30) into
Enter outer ring (1), winding component is provided on the outer ring (1), one end that the wire (22) protrudes into outer ring (1) is connected to receipts
On wound module, the winding component is for adjusting annular ring (23) diameter.
2. a kind of Wound protector for adapting to small notch according to claim 1, it is characterised in that: the winding component packet
It includes the reel (41) for winding wire (22) and the driving assembly of driving reel (41) rotation, the outer ring (1) is separate
It is placed in the groove (10) that upper end opening is provided in the one side of ring (2), the groove (10) includes the bottom plate backwards to open side
(111) it is rotatably arranged on bottom plate (111) with the first side plate (101) close to accommodating chamber (30) side, the reel (41), institute
It states and is provided on the first side plate (101) through-hole (1010), the wire (22) passes through through-hole far from the one end of mounting blocks (21)
(1010) it is connected on the periphery wall of reel (41), the driving component includes the first ring gear (46), lantern ring (45) and second
Ring gear (47), the lantern ring (45) are set on the outer wall of outer ring (1), and the groove (10) includes close to lantern ring (45) side
Second side plate (102) is provided with through slot (1020) on second side plate (102), and the first ring gear (46) fixation is set in
On the periphery wall of reel (41), and the side far from accommodating chamber (30) is stretched out from through slot (1020), second ring gear (47)
It is arranged on internal surface of sleeve pipe, is engaged with the first ring gear (46) stretched out from through slot, when rotational lantern ring (45), the first ring gear (46)
With the second ring gear (47) engagement rotation, reel (41) rotation, wire (22) is wound on reel (41).
3. a kind of Wound protector for adapting to small notch according to claim 2, it is characterised in that: the winding component is also
Including the locking mechanism for locking reel (41), the locking mechanism includes cutting (43) and spring (44), the reel
(41) it being provided on periphery wall to the limit hole (410) radially extended, the cutting (43) is placed in limit hole (410),
Described spring (44) one end is connected in the one side of the second side plate (102) towards reel (41), and the other end is connected to cutting (43)
On, the spring (44) keeps cutting (43) to protrude into limit hole (410).
4. a kind of Wound protector for adapting to small notch according to claim 3, it is characterised in that: be additionally provided with for solving
Except the unlocking mechanism of the lock state of reel (41), the unlocking mechanism includes the pressing lever being slidably arranged on reel (41)
(5) and conflict block (51) on pressing lever (5) periphery wall is set, the reel (41) sets in the one side of bottom plate (111)
It is equipped with the holding tank (411) for accommodating pressing lever (5), the pressing lever (5) is slidably connected in holding tank (411), the limit
Hole (410), which extends internally, the first sliding groove (412) penetrated through with holding tank (411), and the cutting (43) protrudes into reel (41)
One end is located in first sliding groove (412), and the corresponding side in pressing lever (5) glide direction in end is provided with for conflict block
(51) the first inclined-plane (431) contradicted, when pressing lever (5) drive conflict block (51) mobile along first sliding groove (412), conflict block
(51) push cutting (43) mobile to limit hole (410) side is detached from along the first inclined-plane (431), the cutting (43) protrudes into limit
Hole (410) one end is provided with the second inclined-plane (432) in the two sides in reel (41) rotation tangential direction, second inclined-plane
(432) it for being contradicted with limit hole (410) inner wall, when pressing lever (5) is mobile to bottom plate (111) along holding tank (411), contradicts
Block (51) is mobile along first sliding groove (412), until when conflict block (51) and the first inclined-plane (431) contradict, cutting (43) is to second
Side plate (102) is mobile, spring (44) compression, until the second inclined-plane (432) stretch out limit hole (410), rotational lantern ring (45), first
Ring gear (46) and the second ring gear (47) engagement rotation, reel (41) rotation, the second inclined-plane (432) are supported with limit hole (410) inner wall
Touching, spring (44) continue to compress, and cutting (43) is detached from limit hole (410).
5. a kind of Wound protector for adapting to small notch according to claim 4, it is characterised in that: the pressing lever (5)
One section for stretching out holding tank (411) is provided with card slot (50), and the reel (41) rotates setting in the one side of bottom plate (111)
Have cam (7), the cam (7) includes protruding portion (71), and when cam (7) rotate, protruding portion (71) is embedded in card slot (50) locking
Pressing lever (5).
6. a kind of Wound protector for adapting to small notch according to claim 3, it is characterised in that: second side plate
(102) it is provided with baffle (6) in two sides of the cutting (43) in reel (41) rotation tangential direction, the baffle (6) is used for
Keep cutting (43) linear movement.
7. a kind of Wound protector for adapting to small notch according to claim 2, it is characterised in that: the outer ring (1)
It is provided on outer wall sliding block (12), is provided with the second sliding slot circumferentially moved for sliding block (12) on lantern ring (45) inner wall
(450), the second sliding slot (450) and sliding block (12) slidable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412707.6A CN110141369B (en) | 2019-05-17 | 2019-05-17 | Incision protector suitable for small incision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412707.6A CN110141369B (en) | 2019-05-17 | 2019-05-17 | Incision protector suitable for small incision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110141369A true CN110141369A (en) | 2019-08-20 |
| CN110141369B CN110141369B (en) | 2020-05-12 |
Family
ID=67594307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412707.6A Active CN110141369B (en) | 2019-05-17 | 2019-05-17 | Incision protector suitable for small incision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110141369B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426230A (en) * | 2020-11-23 | 2021-03-02 | 常州安康医疗器械有限公司 | Disposable incision protective sheath of adjustable incision size |
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| CN110141369B (en) | 2020-05-12 |
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