CN109893216A - Skin-grafting skin graft expanding unit - Google Patents
Skin-grafting skin graft expanding unit Download PDFInfo
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- CN109893216A CN109893216A CN201711307740.XA CN201711307740A CN109893216A CN 109893216 A CN109893216 A CN 109893216A CN 201711307740 A CN201711307740 A CN 201711307740A CN 109893216 A CN109893216 A CN 109893216A
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- guide rod
- skin
- block
- expanding unit
- cell block
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims 23
- 210000003850 cellular structure Anatomy 0.000 claims 1
- 206010052428 Wound Diseases 0.000 description 12
- 208000027418 Wounds and injury Diseases 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 208000010718 Multiple Organ Failure Diseases 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A kind of skin-grafting skin graft expanding unit includes pedestal, the pedestal includes bottom plate and two parallel first support bars being fixedly fastened on above bottom plate, every first support bar is interspersed to be in series with identical multiple first supporting blocks of quantity, and the first supporting block can be slided above bottom plate along first support bar.The device further includes the first guide rod, and the both ends of every first guide rod are fixed to two the first opposite supporting blocks in two parallel first support bars.The device further includes cell block, interts on every first guide rod and is in series with multiple cell blocks, cell block can slide above bottom plate along the first guide rod.When expanding unit is in condensed state, the adjacent cells block on every first guide rod is closely packed together, and the adjacent cells block on adjacent first guide rod is closely packed together；It is in extended mode in expanding unit, the adjacent cells block on every first guide rod is separated from each other, and the adjacent cells block on adjacent first guide rod is separated from each other.
Description
Technical field
The disclosure relates generally to the fields of making skin graft, and relate in particular to a kind of skin-grafting skin graft expanding unit.
Background technique
Currently, the treatment of extra-large area deep burn is still the significant challenge that clinician faces, burn surface area 60%-
When 69%TBSA (total body surface area) give treatment to success rate be 87.1%, and burn surface area be greater than 90%TBSA when treatment success rate only
It is 47.8%.Timely wound repairing is the key that improve one for the treatment of success rate.If patients with major full-thickness burn can not be
Early stage wound closure then will carry out extreme difficulty for subsequent treatment zone；Especially after grafts operative failure, fire victim
Available skin donor site is further reduced, while the surface of a wound, by local infection, this becomes difficult the survival of subsequent transplantation skin graft.
More seriously, fire victim is in the case where the large area surface of a wound is exposed for a long time, it occur frequently that superelevation metabolism, septicopyemia blood
The complication such as disease, MODS or even threat to life.Therefore, the deep wounds, simultaneously of large area how are repaired using limited skin donor site
Guarantee transplanting survival rate, this is problem urgently to be resolved in patients with severe burns treatment.
The skin extension higher common dermatoplastic method of ratio mainly has stamp dermatoplastic method, MEEK skin-grafting method, mixing skin-grafting
Method etc..The above method is all the skin island (having cut the small skin graft being separated from each other) that skin graft is cut into many fritters, then
These skin islands are placed on the surface of a wound for needing to make skin graft, achieve the purpose that expand skin area coverage.In large area skin grafting
In, generally require the surface of a wound that a large amount of skin island is affixed to patient by hand, the large labor intensity of medical worker, low efficiency, time
It is long, increase the pain of patient.Since monolithic is put, skin island is irregular in surface of a wound distribution, not only causes the waste on skin island, Er Qierong
The heavier scar for easily forming irregular shape, influences the recovery of function and appearance.
Existing a kind of folding skin graft expanding film in the prior art, the expanded film is by film and bed course together in length and breadth
Side is folded upwardly to flat-folded.After skin graft is pasted on expanded film and is cut, expanded film is stretched for skin graft by direction in length and breadth
It is separated from each other.The surface of a wound drainage in skin-grafting of this expanded film is poor and higher in the later period residual infection rate of reparation.
There is also a kind of skin graft expanding units in the prior art.The cell block for supporting skin graft is arranged the device leads in connection
On bar, and the movement by connection guide setting on left and right connection frid, by right connection frid relative to left connection frid
To realize the extension of skin graft.But the device, when right connection frid closes up tightening towards left connection frid, meeting is because of too long company
Guide rod stretches out right connection frid and whole device is caused to roll, and can not steadily stand so as to cause device during cutting skin graft
It is vertical.In addition, during the end of connection guide is slided in the gap before in left connection frid between baffle, it may occur however that end
Portion is stuck in the situation in gap.
Summary of the invention
The first purpose of the disclosure, which is to provide one kind, can overcome the skin-grafting skin graft of at least one defect in the prior art to expand
Extending apparatus.
According to one aspect of the disclosure, a kind of skin-grafting skin graft expanding unit includes pedestal, the pedestal include bottom plate, with
And it is fixedly fastened on two parallel first support bars above bottom plate, every first support bar is interspersed to be in series with quantity
Identical multiple first supporting blocks, the first supporting block can be slided above bottom plate along first support bar.The device further includes
First guide rod, the both ends of every first guide rod be fixed in two parallel first support bars two are opposite
First supporting block.The device further includes cell block, interts on every first guide rod and is in series with multiple cell blocks, and cell block
It can be slided above bottom plate along the first guide rod.When expanding unit is in condensed state, on every first guide rod
Adjacent cells block is closely packed together, and the adjacent cells block on adjacent first guide rod is closely packed together；At expanding unit
It is separated from each other in the adjacent cells block in extended mode, every first guide rod, and adjacent on adjacent first guide rod
Cell block is separated from each other.
Preferably, the center of bottom plate is equipped with recess portion, to provide the space of cell block sliding.
Preferably, the first supporting block is in square or cuboid, and is equipped on its week side for first support bar
The first support bar through-hole passed through and the first mounting hole for fixing the first guide rod, first support bar through-hole and the first mounting hole phase
It is mutually vertical.
Preferably, it is connected between adjacent first supporting block in every first support bar by supporting block connector.
Preferably, supporting block connector is tightrope or narrowband, link mechanism or elastic component.
Preferably, the cross section of cell block is square or rectangle.
Preferably, one or more of cell block has and other different cross-sectional shapes in cell block.
Preferably, cell block includes the upper part and lower part for placing skin graft, and the lower part has for the first guiding
The first guiding rod through-hole that bar passes through.
Preferably, the first guiding rod through-hole is single round, spaced apart Double Circle, oblong or rectangle.
Preferably, it is connected between the adjacent cells block on every first guide rod by cell block connector.
Preferably, cell block connector is elastic component, and cell block connector is in expansion state in its natural state, thus
Spread the cell block on every first guide rod, cell block connector is compressed under the effect of external force, to make every
First unit block on the first guide rod of root is closely packed together.
Preferably, the two sides of concatenated first unit block can be arranged in stop part, to overcome cell block connector
First unit block on every first guide rod is closely packed together by expansionary force.
Preferably, the setting of concatenated first supporting block two sides is used to pull the first supporting block in same first support bar
Elastic element, when stop part is placed on the two sides of concatenated first unit block and the first guide rod is kept to be closely packed together, the
Backstop of one supporting block by stop part, to overcome the pulling force of elastic element and be closely packed together；When removing stop part, bullet
Property element pull the first supporting block to be in tension until the supporting block connector in the first adjacent supporting block.
Preferably, the quantity of the cell block on different first guide rods can be same or different.
Preferably, the expanding unit further include: two the second parallel supports being fixedly fastened on above bottom plate
Bar, every second support bar is interspersed to be in series with identical multiple second supporting blocks of quantity, and the second supporting block can be along second
Support rod slides above bottom plate, and second support bar and first support bar are mutually perpendicular to；Second guide rod, every second guide rod
Both ends be fixed to the second supporting block of opposite two in two parallel second support bars, and the second guide rod
Positioned at the first guide rod it is vertical above or below and be mutually perpendicular to the first guide rod；Wherein, the cell block is also worn
It inserts and is connected on the second guide rod, and the cell block can also slide above bottom plate along the second guide rod.
Preferably, intert on every first guide rod and be in series with m cell block, and intert string on every second guide rod
It is associated with n cell block, to form the unit block matrix of m*n, m and n are the equal or unequal integer for being greater than 1.
Preferably, the second supporting block is in square or cuboid, and is equipped on its week side for second support bar
The second support bar through-hole passed through and the second mounting hole for fixing the second guide rod, second support bar through-hole and the second mounting hole phase
It is mutually vertical.
Preferably, it is connected between adjacent second supporting block in every second support bar by the supporting block connector.
Preferably, the lower part of cell block also has the second guiding rod through-hole passed through for the second guide rod, the first guiding
Rod through-hole and the second guiding rod through-hole are mutually perpendicular to.
Preferably, the second guiding rod through-hole is single round, spaced apart Double Circle, oblong or rectangle.
According to another aspect of the present disclosure, a kind of method of operation skin-grafting skin graft expanding unit includes: by all cell blocks
The unit block matrix in condensed state is positioned to above pedestal；The skin graft equal with cell block matrix area is attached to unit
On the upper surface of block matrix and transversely with longitudinally cutting cutification island, each skin island is attached on a cell block；It will be in
The cell block matrix-expand of condensed state is at the cell block for being in extended mode；With skin island is transferred to carrier from cell block and is applied
To wounds.
Detailed description of the invention
In description referring to the drawings, same or similar numerical chracter label is to censure similar elements or element, this
The mode illustrated by referring to accompanying drawing is described in detail disclosed technical detail.Wherein:
Fig. 1 is the perspective view that condensed state is according to the expanding unit of the first embodiment of the present disclosure；
Fig. 2 is the perspective view that extended mode is according to the expanding unit of the first embodiment of the present disclosure；
Fig. 3 is the perspective view according to the example connector of the expanding unit of the first embodiment of the present disclosure；
Fig. 4 is the perspective view according to the cell block of the expanding unit of the first embodiment of the present disclosure；
Fig. 5 is the front view according to the exemplary through-holes of the cell block of the expanding unit of the first embodiment of the present disclosure；
Fig. 6 is the perspective view that condensed state is according to the expanding unit of the second embodiment of the present disclosure；
Fig. 7 is the perspective view that extended mode is according to the expanding unit of the second embodiment of the present disclosure；
Fig. 8 is the perspective view according to the cell block of the expanding unit of the second embodiment of the present disclosure；
Fig. 9 A-9C is according to the vertical of the different conditions of the connector of the cell block of the expanding unit of the second embodiment of the present disclosure
Body figure；
Figure 10 A-10B is the elastic element according to the automatic pulling supporting block of the expanding unit of the second embodiment of the present disclosure
Perspective view；
Figure 11 is the perspective view that condensed state is according to the expanding unit of the third embodiment of the present disclosure；
Figure 12 is the perspective view that extended mode is according to the expanding unit of the third embodiment of the present disclosure.
Specific embodiment
The description disclosure that hereinafter reference will be made to the drawings, attached drawing therein show several embodiments of the disclosure.However, should
It is appreciated that, the disclosure can show in a number of different manners, it is not limited to the described below and implementation that shows
Example.In fact, these embodiments are intended to keep the disclosure more complete, and the guarantor of the disclosure is absolutely proved to those skilled in the art
Protect range.It should also be understood that various embodiments disclosed herein can be combined in various ways, to provide more volumes
Outer embodiment.
It should be understood that in all the appended drawings, identical appended drawing reference indicates identical element.It in the accompanying drawings, is clear
The size of Chu Qijian, certain features can be deformed.
It should be understood that the terminology in specification is only used for description specific embodiment, it is no intended to limit the disclosure.
All terms (including technical terms and scientific terms) that specification uses unless otherwise defined, all have those skilled in the art
Normally understood meaning.For the sake of concise and/or is clear, well known function or structure can be no longer described in detail.
Singular " one ", " described " and "the" that specification uses are unless clearly indicate, comprising plural form.Explanation
The terminology "include", "comprise" and " containing " that book uses indicate there is claimed feature, but there are one or more for repulsion
A other feature.The terminology "and/or" that specification uses includes related any and whole group for listing one or more of item
It closes.The terminology " between x and y " and should be construed as including X and Y " between about X and Y " that specification uses.This specification
The terminology " between about X and Y " used is meant " between about X and about Y ", and the terminology that this specification uses
" from about X to Y " is meant " from about X to about Y ".
In the description, claim an element be located at another element "upper", " attachment " to another element, " connected " to another member
Whens part, " coupling " are to another element or " contact " another element etc., the element can on another element, be attached to
Another element is connected to another element, is attached to another element or another element of contact, or may exist intermediary element.Phase
Control claims an element is " direct " to be located at another element "upper", " directly attachment " extremely another element, " being directly connected to " to another
One element, " direct-coupling " to another element or or when " directly contact " another element, there will be no intermediary elements.Illustrating
In book, a feature placement at another feature " adjacent ", can refer to a feature have the part Chong Die with adjacent feature or
Person is located at the part above or below adjacent feature.
In the description, the spatial relationship of "upper", "lower", "left", "right", "front", "rear", "high", " low " etc. is used
Diction can illustrate a feature and the relationship of another feature in the accompanying drawings.It should be understood that spatial relationship terminology in addition to comprising
It also include the different direction of device in use or operation except orientation shown in the drawings.For example, device in the accompanying drawings reverses
When, originally it was described as the feature in other feature " lower section ", was can be described as at this time in " top " of other feature.Device may be used also
To orient (be rotated by 90 ° or in other orientation) in other ways, relative space relation will be interpreted accordingly at this time.
Fig. 1 and Fig. 2 shows the skin-grafting skin graft expanding unit according to the first embodiment of the present disclosure, the expanding unit includes bottom
Seat 1 and the more guide rods 2 and multiple cell blocks 3 being arranged on pedestal 1.Cell block 3 can be on guide rod 2 along vertical
To with slide along the transverse direction, thus between the condensed state that multiple cell blocks 3 can be shown in Fig. 1 and extended mode shown in Fig. 2
Switching.
As shown in Figure 1, pedestal 1 includes bottom plate 11 and support rod 12 and supporting block 13 on bottom plate 11.Bottom plate 11 is in
Square or rectangle.The center of bottom plate 11 is equipped with recess portion 11a, thus when providing cell block 3 and switching between different conditions
The space of sliding.The four corners of bottom plate 11 are respectively equipped with four protruding portion 11b, to be used to support four support rods 12, including
Two 12 ' He Lianggen vertical supporting bars 12 " of transverse support bar.
Support rod 12 is smooth cylinder (cylindrical body, Elliptic Cylinder, square cylinder, rectangular cylinder etc.), and its
Both ends are fixed on protruding portion 11b in a conventional manner (for example, mortise-tenon joint, screw connection etc.).Intert on support rod 12
Multiple supporting blocks 13 are in series with, to be used to support and guide supporting block 13 to slide along the top surface of bottom plate 11.Every cross-brace
Bar 12 ' is interspersed to be in series with m supporting block 13, and every vertical supporting bar 12 " interts and is in series with n supporting block 13.One
In a preferred embodiment, m is equal to n；As illustrated in fig. 1 and 2, m and n is 5.
Supporting block 13 is in square or cuboid, and is equipped between two parallel all sides and wears for support rod 12
The support through holes 13a crossed, and the mounting hole 13b of fixed guide pole 2 is equipped on another week side.Support through holes 13a and peace
Dress hole 13b is mutually perpendicular to.It is connected between adjacent supporting block 13 by connector 14 on every support rod 12, and connector 14
Equidistantly it is fixed on the privileged site of each supporting block 13, such as peripheral portion or top.When supporting block 13 is along 12 court of support rod
When sliding to the direction of protruding portion 11b, connector 14 limits the maximum spacing between adjacent supports block 13.Such as the a-c institute in Fig. 3
Show, connector 14 can be the tightrope of connection adjacent supports block 13 or narrowband, link mechanism, elastic component etc..Shown in Fig. 1 and 2
Embodiment in, connector 14 be tightrope.
Guide rod 2 be smooth cylinder (cylindrical body, Elliptic Cylinder, square cylinder, rectangular cylinder etc.), and its two
End is fixed to the opposite supporting block of two transverse support bars 12 ' in a conventional manner (for example, mortise-tenon joint, screw connection etc.)
13 mounting hole 13b and be fixed to two vertical supporting bars 12 " opposite supporting block 13 mounting hole 13b.Therefore, it leads
It include one group of n laterally steering bar 2 ' and one group of m longitudinally guiding bar 2 " to bar 2.It is vertical that this group of laterally steering bar 2 ' is located at the group
To guide rod 2 " it is vertical above or below, and be mutually perpendicular to this group of longitudinally guiding bar 2 "；Phase between laterally steering bar 2 '
It is mutually parallel, and be parallel to each other between longitudinally guiding bar 2 ".
Cell block 3 is interspersed on guide rod 2, with sliding in the space of the recess portion 11a of bottom plate 11 for guidance unit block 3
It is dynamic；Specifically, a cell block 3 is arranged at the crossover location of every laterally steering bar 2 ' and every longitudinally guiding bar 2 ".
Cell block 3 is used to spread on skin island for placing skin graft to be cut, and after skin graft cuts cutification island.Such as
Shown in Fig. 4, cell block 3 includes the lower part 32 placing the upper part 31 of skin graft and passing through for guide rod 2.Upper 31 He of part
Lower part 32 is the square or cuboid for pushing up bottom surface and being square, and square side length is preferably 2mm-10mm.Top
The 31 inward-facing four side face intervals with lower part 32 in four sides are divided to open identical distance, to be in cell block 3
When condensed state, there are the grooves 33 entered for cutting tool between longitudinally adjacent and laterally adjacent cell block 3.Lower part 32
Two longitudinal extent parallels all sides between be equipped with the cross through hole 32a that passes through for laterally steering bar 2 ', and at two
It is laterally extended the longitudinal hole 32b for being equipped between parallel all sides and passing through for longitudinally guiding bar 2 ".Cross through hole 32a is located at vertical
To through-hole 32b it is vertical above or below, and be mutually perpendicular to longitudinal hole 32b.As shown in the a-d of Fig. 5, cross through hole
32a and longitudinal hole 32b can have various shape, such as single round, Double Circle, oblong, rectangle spaced apart etc..Often
Root laterally steering bar 2 ' is equipped with m cell block 3, and every longitudinally guiding bar 2 " is equipped with n cell block 3, to be formed
The unit block matrix of m*n.
Illustrate the method for the expanding unit for operating the disclosure below with reference to Fig. 1 and Fig. 2.As shown in Figure 1, in use, operation
All supporting blocks 13 in transverse support bar 12 ' are closely packed together by person, and by all supporting blocks on vertical supporting bar 12 "
13 are closely packed together, so that all cell blocks 3 are positioned to the unit block matrix in condensed state.Operator will be with cell block
The equal skin graft of matrix area is attached on the upper surface of unit block matrix, and the ditch using cutting tool between cell block 3
Slot 33 by skin graft transversely with longitudinally cutting cutification island.Each skin island is attached on a cell block 3, and is divided with the skin island of surrounding
From.Operator pulls the supporting block 13 of support laterally steering bar 2 ', until connector 14 tenses, so that laterally steering bar 2 ' be expanded
Expansion；The supporting block 13 of support longitudinally guiding bar 2 " is pulled, until connector 14 tenses, so that longitudinally guiding bar 2 " be made to extend
It opens.The cell block matrix-expand in condensed state is at the cell block 3 in extended mode as a result, and skin island is driven to extend
Open equal distance apart.Later, skin island can be transferred to the carrier of such as gauze and applied to wounds by operator.
Second embodiment
Fig. 6 and Fig. 7 shows the skin-grafting skin graft expanding unit according to the second embodiment of the present disclosure, and the expanding unit includes bottom
Seat 101 and the more guide rods 102 and multiple cell blocks 103 being arranged on pedestal 101.Cell block 103 can be transversely
It slides and is slided along longitudinal direction on guide rod 102, thus condensed state and Fig. 7 that multiple cell blocks 103 can be shown in Fig. 6
Shown in change between extended mode.
As shown in fig. 6, pedestal 101 includes bottom plate 111 and support rod 112 and supporting block 113 on bottom plate 111.Bottom
Plate 111 is square or rectangle.The center of bottom plate 111 is equipped with recess portion 111a, to provide cell block 103 in different conditions
Between the space slided.It is equipped with two protruding portion 111b respectively along two longitudinal edge portions of bottom plate 111, to be used to support two
The support rod 112 of root transverse direction.
Support rod 112 is smooth cylinder (cylindrical body, Elliptic Cylinder, square cylinder, rectangular cylinder etc.), and its
Both ends are fixed on protruding portion 111b in a conventional manner (for example, mortise-tenon joint, screw connection etc.).It is worn on support rod 112
It inserts and is in series with supporting block 113, to be used to support and guide supporting block 113 to slide along the top surface of bottom plate 111.Every support rod
112 interspersed are in series with m supporting block 113.As shown in Figures 6 and 7, m is 5.
Supporting block 113 is in square or cuboid, and is equipped between two longitudinal parallel all side for branch
The support through holes 113a that strut 112 passes through, and the mounting hole 113b of fixed guide pole 102 is equipped on another week side.Branch
Support through-hole 113a and mounting hole 113b is mutually perpendicular to.Pass through connector between adjacent supporting block 113 on every support rod 112
114a connection, and connector 114a is equidistantly fixed on the privileged site of each supporting block 113, such as peripheral portion or top
Portion.When supporting block 113 is slided along support rod 112 towards the direction of protruding portion 111b, connector 114a limits adjacent supports block
Maximum spacing between 113.As shown in figure 3, connector 114a can be the tightrope or narrowband of connection adjacent supports block 113, company
Linkage, elastic component etc..Guide rod 102 is smooth cylinder (such as cylindrical body, Elliptic Cylinder, square cylinder, rectangular cylinder
Deng), and its both ends is fixed to the phase of two support rods 112 in a conventional manner (for example, mortise-tenon joint, screw connection etc.)
To the mounting hole 113b of supporting block 113.Therefore, guide rod 102 includes one group of m longitudinally guiding bar 102, and longitudinally guiding bar
It is parallel to each other between 102.
Cell block 103 is interspersed on guide rod 102, with for guidance unit block 103 the recess portion 111a of bottom plate 111 sky
Between middle sliding.
Cell block 103 is used to spread on skin island for placing skin graft to be cut, and after skin graft cuts cutification island.
As shown in figure 8, cell block 103 includes the lower part 132 placing the upper part 131 of skin graft and passing through for guide rod 102.On
Part 131 and lower part 132 are the square or cuboid for pushing up bottom surface and being square, and square side length is preferably 2mm-
10mm.The inward-facing four side face intervals with lower part 132 in four sides of upper part 131 open identical distance, thus
When cell block 103 is in condensed state, there are enter for cutting tool between longitudinally adjacent and laterally adjacent cell block 103
Groove 133.Two of lower part 132 are laterally extended the through-hole 132a for being equipped between parallel all sides and passing through for guide rod 102.
As first embodiment, through-hole 132a can have various shape, for example, single round, spaced apart Double Circle, oblong,
Rectangle etc..Every guide rod 102 is equipped with n cell block 103, to form the unit block matrix of m*n.It is preferably implemented at one
In example, m is equal to n, and as shown in Figures 6 and 7, m and n are 5.
As illustrated in figures 9a and 9b, flexible company is arranged in the lower surface of cell block 103 adjacent on every guide rod 102
Fitting 114b.As shown in Figure 9 A, flexible connector 114b is in expansion state in its natural state, to make same guide rod
Cell block 103 on 102 at an equal pitch open by Longitudinal Extension.As shown in figures 9 b and 9 c, flexible connector 114b is compressed,
To make the cell block 103 on the same guide rod 102 be closely packed together, and by the two sides of concatenated cell block 103
Stop part 115 is set to overcome the expansionary force of flexible connector 114b.
In a preferred embodiment, as shown in Figure 10 A-10B, can on same support rod 112 concatenated supporting block
The setting of 113 two sides for pulling the elastic element 116 of supporting block 113 automatically, and stop part 115 can overcome elastic element
Supporting block 113 is closely packed together by 116 motive force.As shown in Fig. 9 C and Figure 10 A, when stop part 115 is placed on concatenated list
Two sides of first block 103 and when guide rod 102 being kept to be closely packed together, the supporting block 113 at guide rod 102 and its both ends is by backstop
The backstop of part 115, to overcome the pulling force of elastic element 116 and be closely packed together.As shown in Figure 10 B, when removal stop part 115
When, the protruding portion 111b of elastic element 116 towards two sides pulls supporting block 113, until the connector 114a on adjacent supports block 113
In tension.
Illustrate the method for the expanding unit for operating the disclosure below with reference to Fig. 6 and Fig. 7.As shown in fig. 6, in use, operation
Person first such as by using mode stop part 115 by flexible connector 114a and 114b be arranged to compressive state, thus by institute
There is cell block 103 to be positioned to the unit block matrix in condensed state.Operator is by the skin graft equal with cell block matrix area
Be attached on the upper surface of unit block matrix, and using groove 133 of the cutting tool between cell block 103 by skin graft transversely
With longitudinally cutting cutification island.Each skin island is attached on a cell block 103, and is separated with the skin island of surrounding.Operator is for example
The external force on elastic element 116 and flexible connector 114b is removed by removing the modes such as stop part 115, thus elastic element
116 pull supporting block 113, thus pull cell block 113 extending transversely, and flexible connector 114b pulls cell block 113 vertical
To extension.The cell block matrix-expand in condensed state is at the cell block 103 in extended mode as a result, and drives skin
Island spreads equal distance apart.Later, skin island can be transferred to the carrier of such as gauze and applied to trouble by operator
Person's surface of a wound.
3rd embodiment
Figure 11 and Figure 12 shows the skin-grafting skin graft expanding unit according to the third embodiment of the present disclosure.The skin-grafting of 3rd embodiment
Skin graft expanding unit and second embodiment are essentially identical, the difference is that the upper surface of cell block 203 is not exclusively square,
But existing square has rectangle again.When being in condensed state, the cell block square of all cell blocks 203 still formation rule
Battle array；When being in extended mode, all cell blocks 203 are spread.In some embodiments, in the cell block of extended mode
Spacing is different between 203, and the spacing of some cell blocks is larger, for specific clinical needs.
The disclosure is explained above, and should not be understood the limitation of the pairs of disclosure.Although it have been described that the disclosure
Example embodiment, it will be understood by those skilled in the art that being without materially departing from spirit and scope of the present disclosure
In the case of can carry out a variety of changes and modifications to the example embodiment of the disclosure.Therefore, all changes and change are all contained in
In the protection scope of the disclosure defined by claim.The disclosure is defined by the appended claims, and these rights are wanted
The equivalent asked is also included.
Claims (20)
1. a kind of skin-grafting skin graft expanding unit, which is characterized in that the expanding unit includes:
Pedestal, the pedestal include bottom plate and two parallel first support bars being fixedly fastened on above bottom plate, often
Root first support bar is interspersed to be in series with identical multiple first supporting blocks of quantity, and the first supporting block can be along first support bar
It is slided above bottom plate；
First guide rod, the both ends of every first guide rod are fixed to two phases in two parallel first support bars
Pair the first supporting block；
Cell block interts on every first guide rod and is in series with multiple cell blocks, and cell block can be along the first guide rod
It is slided above bottom plate；
Wherein, when expanding unit is in condensed state, the adjacent cells block on every first guide rod is closely packed together, and
Adjacent cells block on adjacent first guide rod is closely packed together；Extended mode, every first guide rod are in expanding unit
On adjacent cells block be separated from each other, and the adjacent cells block on adjacent first guide rod is separated from each other.
2. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that the center of bottom plate is equipped with recess portion, thus
The space of cell block sliding is provided.
3. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that the first supporting block is in square or length
Cube, and for being equipped with the first support bar through-hole passed through for first support bar on its week side and fixing the first guide rod
One mounting hole, first support bar through-hole and the first mounting hole are mutually perpendicular to.
4. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that adjacent in every first support bar
It is connected between one supporting block by supporting block connector.
5. skin-grafting skin graft expanding unit according to claim 4, which is characterized in that supporting block connector is tightrope or narrow
Band, link mechanism or elastic component.
6. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that the cross section of cell block be square or
Person's rectangle.
7. skin-grafting skin graft expanding unit according to claim 6, which is characterized in that one or more of cell block has
From other different cross-sectional shapes in cell block.
8. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that cell block includes the top for placing skin graft
Divide and lower part, the lower part have the first guiding rod through-hole passed through for the first guide rod.
9. skin-grafting skin graft expanding unit according to claim 8, which is characterized in that the first guiding rod through-hole is single circle
Shape, Double Circle spaced apart, oblong or rectangle.
10. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that adjacent on every first guide rod
It is connected between cell block by cell block connector.
11. skin-grafting skin graft expanding unit according to claim 10, which is characterized in that cell block connector is elastic component,
Cell block connector is in expansion state in its natural state, so that the cell block on every first guide rod is spread, it is single
First block connector is compressed under the effect of external force, so that the first unit block on every first guide rod be made to abut against one
It rises.
12. skin-grafting skin graft expanding unit according to claim 11, which is characterized in that stop part can be arranged in concatenated
The two sides of first unit block, to overcome the expansionary force of cell block connector that the first unit block on every first guide rod is tight
It is close together.
13. skin-grafting skin graft expanding unit according to claim 12, which is characterized in that connect in same first support bar
The setting of the first supporting block two sides for pulling the elastic element of the first supporting block, be placed on concatenated first unit in stop part
The two sides of block and when the first guide rod being kept to be closely packed together, backstop of first supporting block by stop part, to overcome elasticity
The pulling force of element and be closely packed together；When removing stop part, elastic element pulls the first supporting block until adjacent first
Supporting block connector on bracer is in tension.
14. skin-grafting skin graft expanding unit according to claim 1, which is characterized in that the unit on different first guide rods
The quantity of block can be same or different.
15. skin-grafting skin graft expanding unit according to any one of claim 1 to 9, which is characterized in that the expanding unit
Further include:
Two parallel second support bars being fixedly fastened on above bottom plate, every second support bar is interspersed to be in series with number
Identical multiple second supporting blocks are measured, the second supporting block can be slided above bottom plate along second support bar, second support bar
It is mutually perpendicular to first support bar；
Second guide rod, the both ends of every second guide rod are fixed to opposite in two parallel second support bars
Two the second supporting blocks, and the second guide rod be located at the first guide rod it is vertical above or below and with the first guide rod phase
It is mutually vertical；
Wherein, the cell block is also connected on the second guide rod by interspersed, and the cell block can also be led along second
It is slided above bottom plate to bar.
16. skin-grafting skin graft expanding unit according to claim 15, which is characterized in that intert string on every first guide rod
It is associated with m cell block, and interts on every second guide rod and is in series with n cell block, to form the cell block square of m*n
Battle array, m and n are the equal or unequal integer for being greater than 1.
17. skin-grafting skin graft expanding unit according to claim 15, which is characterized in that the second supporting block in square or
Cuboid, and be equipped with the second support bar through-hole passed through for second support bar on its week side and fix the second guide rod
Second mounting hole, second support bar through-hole and the second mounting hole are mutually perpendicular to.
18. skin-grafting skin graft expanding unit according to claim 15, which is characterized in that adjacent in every second support bar
It is connected between second supporting block by the supporting block connector.
19. skin-grafting skin graft expanding unit according to claim 15, which is characterized in that the lower part of cell block also has confession
The second guiding rod through-hole that second guide rod passes through, the first guiding rod through-hole and the second guiding rod through-hole are mutually perpendicular to.
20. skin-grafting skin graft expanding unit according to claim 19, which is characterized in that the second guiding rod through-hole is single circle
Shape, Double Circle spaced apart, oblong or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307740.XA CN109893216A (en) | 2017-12-11 | 2017-12-11 | Skin-grafting skin graft expanding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307740.XA CN109893216A (en) | 2017-12-11 | 2017-12-11 | Skin-grafting skin graft expanding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109893216A true CN109893216A (en) | 2019-06-18 |
Family
ID=66942274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711307740.XA Pending CN109893216A (en) | 2017-12-11 | 2017-12-11 | Skin-grafting skin graft expanding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109893216A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101385657A (en) * | 2008-10-16 | 2009-03-18 | 上海交通大学 | Skin grafting operation quick partitioning placement device |
| US20110172683A1 (en) * | 2010-01-08 | 2011-07-14 | Yoo James J | Tissue expander |
| KR20170042407A (en) * | 2015-10-08 | 2017-04-19 | 주식회사 피플웍스 | Extendible Battery Cell Module Assembly |
| CN208710004U (en) * | 2017-12-11 | 2019-04-09 | 中国人民解放军第二军医大学 | Skin-grafting skin graft expanding unit |
-
2017
- 2017-12-11 CN CN201711307740.XA patent/CN109893216A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101385657A (en) * | 2008-10-16 | 2009-03-18 | 上海交通大学 | Skin grafting operation quick partitioning placement device |
| US20110172683A1 (en) * | 2010-01-08 | 2011-07-14 | Yoo James J | Tissue expander |
| KR20170042407A (en) * | 2015-10-08 | 2017-04-19 | 주식회사 피플웍스 | Extendible Battery Cell Module Assembly |
| CN208710004U (en) * | 2017-12-11 | 2019-04-09 | 中国人民解放军第二军医大学 | Skin-grafting skin graft expanding unit |
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