Summary of the invention
It is a kind of with shape the technical problem to be solved by the present invention is in view of the deficiency of the prior art, designThe through and through wound hemostatic structures of shape and pressure adaptive.Hemostatic material external film is pasted onto adaptive elasticity by the present invention thusThe surface of plate deployed configuration makes its store energy using the adaptive elastic plate deployed configuration of preceding compression, and when use passes through elastic plateAdaptive elastic plate deployed configuration is unfolded in release elastic strain energy, and real according to the corresponding deformation of wound geometry generationExisting form adaptive discharges corresponding elastic strain according to blood pressure and tissue elasticity and is able to achieve pressure adaptive, and driving stopsBlood material external film makes it be bonded wound surface, realizes Fast Filling, blood coagulation, hemostasis, saves the life of wounded soldier in fightLife.
To achieve the above object, the technical solution adopted by the present invention are as follows: it is a kind of with drag-line with drag-line it is foldable staggeredlyFormula elastic plate hemostatic structures, comprising: the adaptive elastic plate deployed configuration (3) of hemostatic material external film (2), alternating expression and drag-line(6), hemostatic material external film (2) is pasted and fixed on the outer end of the adaptive elastic plate deployed configuration (3), and drag-line (6) canAdaptive elastic plate deployed configuration (3) the release elastic potential energy of control alternating expression extends both axially and radially, drives outside hemostatic materialApplying film (2) makes it be bonded the surface of a wound, realizes hemostasis.
The adaptive elastic plate deployed configuration (3) of alternating expression, by adaptive elastic plate deployed configuration basic unit and branchStrut (5) composition；Adaptive elastic plate deployed configuration basic unit is in layered distribution, every layer self-adapting elastic plate deployed configurationBasic unit is made of elastic plate and support rod (5)；Elastic plate (4) one end is fixed on support rod (5), and the other end is fixed onOn hemostatic material external film (2).
Elastic plate (4) has n piece, each layer self-adapting elastic plate exhibition in every layer self-adapting elastic plate deployed configuration basic unitThe piece number of elastic plate (4) and position difference in opening structure basic unit, and be interspersed.
Elastic plate (4) has n piece, 1≤n≤2, each layer elastic plate in every layer self-adapting elastic plate deployed configuration basic unit(4) according to certain angular displacement.
If two nearest elasticity of the distance that adjacent two layers are arranged in each layer self-adapting elastic plate deployed configuration basic unitPlate (4) angle is θ, and when elastic plate (4) are curved surface, θ is defined as adjacent two layers elastic plate to the drop shadow curve of support rod vertical planeThe angle that the tangent line of root is formed, root refer to the contact point of support rod (5) Yu elastic plate (4),
If two nearest elasticity of the distance that adjacent two layers are arranged in each layer self-adapting elastic plate deployed configuration basic unitPlate (4) angle is θ, and when elastic plate (4) are plane, θ is defined as adjacent two layers elastic plate and is formed to the projection of support rod vertical planeAngle,
The geometricshape of the elastic plate (4) is involute, and the base radius of involute is R.
The support rod (5) is made of scissors hinge unit (6) and elastic element (7), pin shaft (9),
Scissors hinge unit (6) is made of two rod pieces (8)；Two rod pieces (8) are hinged；
Pin shaft (9) and two rod piece (8) hinged places are affixed, and the both ends of pin shaft (9) can connect the one of elastic plate (4)End；
Plane two sides are respectively provided with an elastic element (7) where pin shaft (9), and the both ends of elastic element (7) are connected toThe end of two rod pieces (8) of adjacent scissors hinge unit (6), the end of two rod pieces (8) of two neighboring scissors hinge unit (6)Portion is hinged.
One or more drag-line is equipped on each elastic plate (4), described drag-line one end is fixed on the elastic plate (4),The other end of drag-line is drawn through the support rod (5).
Four drag-lines (6) are provided on every elastic plate (4), a drag-line one end is fixed on the elastic plateOuter end, second drag-line one end be fixed on the middle part of the elastic plate, and the other end of two drag-lines is through the support bar unitIt draws；Third root drag-line and the 4th drag-line are respectively with first drag-line and second drag-line along flat where the elastic plate (4)Face is arranged symmetrically.
A kind of foldable alternating expression elastic plate hemostasis device with drag-line, comprising: syringe (1) and the band are drawnThe foldable alternating expression elastic plate hemostatic structures of rope, the foldable alternating expression elastic plate hemostatic structures with drag-line are located at syringeInterior, syringe (1) can squeeze into the foldable alternating expression elastic plate hemostatic structures with drag-line in the wound of tissue.
There are reaming blade (10) for syringe (1) front end, can cut wound to be put into hemostasis device.
A kind of Hemostasis of the foldable alternating expression elastic plate hemostasis device with drag-line, steps are as follows:
1) in the wound of tissue, the foldable alternating expression elastic plate with drag-line is stopped by syringe (1)Blood structure is squeezed into wound；
2) drag-line (6) are unclamped, elastic plate (4) and support rod (5) are unfolded under the action of elastic potential energy, elastic plate (4) edgeRadial development, support rod (5) is along axially expanded.
3) the adaptive elastic plate deployed configuration (3) being unfolded radially and axially drives hemostatic material external film (2) expansionFor larger volume, and generate the extruding force to tissue.
4) cavity size generated according to through and through wound, adaptive elastic plate deployed configuration (3) drive hemostatic material external film(2) formation and the consistent shape of cavity, to withstand blutpunkte, hemostatic material external film is bonded the surface of a wound, realizes hemostasis.
The present invention compared with the existing technology the advantages of be:
(1) geometricshape of elastic plate of the invention is involute, and the base radius of involute is R.Compared with circular arc,Involute structure can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, generateReaction it is more uniform, carry out and contraction process motion path it is more clear, it is ensured that hemostatic material is uniformly being pressedShape under power can adaptively be cooperated with wound.Every layer arrangement one or two panels elastic plate can be reduced or be avoided and is sameInterference between layer elastic plate reduces the constriction radius of elastic hemostatic structures, improves its shrinking percentage.
(2) support rod of the invention cuts with scissors unit by scissors and elastic element forms.Scissors hinge unit is by two rod pieces inThe heart is articulated and connected by pin shaft；The inner end of the elastic plate is fixed on pin shaft；The rod piece of the adjacent scissors hinge unit passes throughConnection is hinged, and elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Such scissors hinge unit can be withThe volume for reducing hemostatic structures, improves the storage capacity of hemostasis device.
(3) present invention discharges bullet by elastic plate by adaptive elastic plate deployed configuration outsourcing hemostatic material external filmProperty strain energy so that hemostatic material external film is in contact with wound surface and play the role of pressing, realize hemostasis blood coagulation.
(4) present invention is able to cooperate the flexibility of hemostatic material external film, it can be achieved that right by elastic plate release elastic strainThe geometric self-adaptation of through and through wound wound can realize adaptive filling according to the shape of wound.
(5) elastic plate of the present invention can discharge corresponding strain energy according to blood pressure and tissue elasticity and balance with it,To meet different wound hemostasis pressure demands, there is pressure adaptive.
(6) present invention discharges elastic potential energy driving support rod along axially expanded, to ensure that hemostasis by elastic elementStructure has enough bearing area.
(7) present invention is using inflation and elastic deployed configuration, can rapid expanding fill through and through wound wound, with existing compressingHemostasis, calcination hemostasis, grease and gauze are filled the methods of hemostasis and are compared, and have the effect of Fast Filling hemostasis.
(8) deployed configuration of the invention has geometry adaptive characteristic, and cooperation hemostatic material is sucked blood expansion characteristics,Uniform to wound pressure, wound surface stickiness is good.
(9) present invention can provide wound surface lasting extruding force, and squeeze pressure is adjustable, and adjustable range is big, reachable0~16kPa.
(10) present invention can repeat expansion gathering using drag-line, prevent wound tissue downright bad.
(11) present invention is foldable and alternating expression elastic plate makes support force more evenly, and support rod magnification is bigger.
(12) present invention can store for a long time convenient for storage.
Specific embodiment
The present invention will be further explained in the following with reference to the drawings and specific embodiments.
The invention discloses a kind of foldable alternating expression elastic plate hemostatic structures with drag-line with drag-line and hemostasis dressIt sets, which is made of hemostatic material external film and adaptive elastic plate deployed configuration.Adaptive elastic plate deployed configuration is by bulletProperty plate, support rod and drag-line composition.Elastic plate is fixed on support rod, and every layer there are two elastic plates, and each layer elastic plate is according to oneFixed differential seat angle θ arrangement,The geometric linear of elastic plate is involute, and involute base radius is R, hemostatic materialMaterial external film is pasted and fixed on the outside of elastic plate.Support rod cuts with scissors unit by scissors and elastic element forms.It will hemostasis when useStructure injection unclamps drag-line into wound, and elastic element discharges elastic potential energy, drives support rod along axially expanded；Elastic plateRelease elastic potential energy radially expands, and driving hemostatic material external film makes it be bonded the surface of a wound, to realize quick-acting haemostatic powder function.
A kind of elastic plate hemostatic structures of the present invention, including hemostatic material external film, which is characterized in that it is characterized in that, alsoIncluding an adaptive elastic plate deployed configuration, the adaptive elastic plate deployed configuration is by elastic plate, support rod and drag-line groupAt；The elastic plate is in layered distribution, and every layer of elastic plate has n piece, wherein 1≤n≤2, each layer elastic plate is according to certainDifferential seat angle θ arrangement, π/3≤θ≤pi/2；The inner end of the elastic plate is fixed on the support rod, hemostatic material external filmIt is fixed on the outer end of elastic plate；Described drag-line one end is fixed on the elastic plate, and the other end of drag-line draws through the support rodOut.
The geometricshape of the elastic plate is involute, and the base radius of involute is R.Compared with circular arc, involute knotStructure can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, the reaction of generationMore uniformly, carry out and the motion path of contraction process is more clear, it is ensured that the shape under uniform pressure of hemostatic materialShape can adaptively be cooperated with wound.Every layer arrangement one or two panels elastic plate, can reduce or avoid same layer elastic plateBetween interference, reduce the constriction radius of elastic hemostatic structures, improve its shrinking percentage.
The support rod cuts with scissors unit by scissors and elastic element forms.Scissors hinge unit is passed through by two rod pieces at centerPin shaft articulated connection；The inner end of the elastic plate is fixed on pin shaft；The rod piece of the adjacent scissors hinge unit passes through connecting hingeConnection, elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Such scissors hinge unit can reduce onlyThe volume of blood structure improves the storage capacity of hemostasis device.
Four drag-lines are provided on the every elastic plate, a drag-line one end is fixed on the outer of the elastic plateEnd, another drag-line one end are fixed on the middle part of the elastic plate, and the other end of two drag-lines draws through the support bar unitOut, in addition two drag-lines are arranged symmetrically.
The hemostatic material external film is pasted and fixed on the outer end of the elastic plate.
A kind of injecting type elastic plate hemostasis device, the hemostatic structures including syringe and in syringe, featureBe: the hemostatic structures include hemostatic material external film and an adaptive elastic plate deployed configuration, the adaptive elastic plateDeployed configuration is made of elastic plate, support rod and drag-line；The elastic plate is in layered distribution, and every layer of elastic plate has n piece,Wherein, 1≤n≤2, each layer elastic plate are arranged according to certain differential seat angle θ,The inner end of the elastic plate is fixedOn the support rod, hemostatic material external film is fixed on the outer end of elastic plate；Described drag-line one end is fixed on the elastic plateOn, the other end of drag-line is drawn through the support rod.
There are reaming blades for the front end of the syringe needle, when wound is smaller, cut wound to be put into hemostasis device.
By adaptive elastic plate deployed configuration outsourcing hemostatic material external film, elastic strain energy is discharged by elastic plateSo that hemostatic material external film is in contact with wound surface and play the role of pressing, realizes hemostasis blood coagulation.
Elastic strain, which is discharged, by elastic plate is able to cooperate the flexibility of hemostatic material external film, it can be achieved that hurting to through and through woundThe geometric self-adaptation of mouth can realize adaptive filling according to the shape of wound.
Elastic plate can discharge corresponding strain energy according to blood pressure and tissue elasticity and balance with it, to meetDifferent wound hemostasis pressure demands has pressure adaptive.
Elastic potential energy is discharged by elastic element and drives support rod expansion, so that it is enough to ensure that hemostatic structures haveBearing area.
By tensioning and loosen drag-line, can control the contraction and expansion of hemostatic structures, convenient for the note in its use processIt penetrates and takes out.
The operational version of the elastic plate hemostatic structures are as follows: elastic plate hemostatic structures exist free unfolded state, normallyUse state and initial contraction state.Under the free unfolded state, elastic plate hemostatic structures are in zero potential energy states；InstituteUnder the normal operating condition stated, according to shape of wound corresponding deformation occurs for adaptive elastic plate deployed configuration, makes outside hemostatic materialApplying film is close to wound surface；Under the initial contraction state, elastic plate hemostatic structures are stored in syringe.Production processI.e. from free unfolded state to initial contraction condition conversion, elastic plate hemostatic structures are stored in syringe, elastic plate is receivedContracting, support rod are folded to store elastic strain energy.Use process is converted from initial contraction state to normal operating condition, is led toIt crosses injection device elastic plate hemostatic structures are injected into wound, when wound is smaller, first passes through the cornish bit of front end of the syringe needlePiece cuts wound, and hemostatic structures are then injected wound again, and elastic element discharges elastic potential energy, and adaptive elastic plate is unfoldedStructure edge axially expands；Elastic plate discharges corresponding elastic strain energy according to locating shape of wound and the pressure being subject to, and makes certainlyIt adapts to elastic plate deployed configuration to radially expand, driving hemostatic material external film makes it be bonded the surface of a wound, to realize quick-acting haemostatic powderFunction, while being also able to satisfy shape and pressure adaptive requirement.Taking-up process is i.e. from normal operating condition to free unfolded stateConversion, takes out elastic plate hemostatic structures after reaching haemostatic effect from wound, automatic to restore to zero potential energy states.
As shown in Figure 1, injecting type elastic plate hemostasis device is by syringe 1, hemostatic material external film 2 and adaptive elasticityPlate deployed configuration 3 forms.There are reaming blades 11 for 1 front end of syringe, when wound is smaller, cut wound to be put into hemostasis dressIt sets.State when being respectively the initial fold state of hemostatic material external film 2 shown in Fig. 2, Fig. 3 and using, hemostatic material external film2 its with certain flexibility, blood (water) expansion can be met.As shown in figure 4, adaptive elastic plate deployed configuration 3 by elastic plate 4,Support rod 5 and drag-line 6 form.Elastic plate 4 is in layered distribution, and every layer of elastic plate has 2, and each layer elastic plate is according to 90 °Differential seat angle arrangement.Every layer arrangement two panels elastic plate can reduce or avoid the interference between same layer elastic plate, reduce elasticityThe constriction radius of hemostatic structures improves its shrinking percentage.The inner end of elastic plate 4 is fixed on the support rod 5, each elastic plate 4It is constrained by four drag-lines 6, one one end of drag-line is fixed on the outer end of the elastic plate, and two one end of drag-line is fixed on the elastic plateMiddle part, the other end of two drag-lines draws through the support rod, and in addition two drag-lines are arranged symmetrically.Pass through tensioning and releaseDrag-line can realize that hemostatic structures shrink and are unfolded, convenient for the injection and taking-up of hemostatic structures.Hemostatic material external film is fixed viscousIt is attached to the outer end of elastic plate.
As shown in figure 5, the geometricshape of elastic plate 4 is involute, the base radius of involute is R.Compared with circular arc,Involute structure can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, generateReaction it is more uniform, carry out and contraction process motion path it is more clear, it is ensured that hemostatic material is uniformly being pressedShape under power can adaptively be cooperated with wound, and adaptive filling can be realized according to the shape of wound.Such as Fig. 6 instituteShow, support rod cuts with scissors unit 7 by scissors and elastic element 8 forms.As shown in fig. 7, scissors hinge unit 7 is by two rod pieces 9 inThe heart is articulated and connected by pin shaft 10, and the inner end of the elastic plate is fixed on pin shaft 10.As shown in figure 8, adjacent scissors cut with scissors unitRod piece 9 be hinged by connection, 8 both ends of elastic element are connected on the connecting hinge of adjacent scissors hinge unit 7.It is suchScissors hinge unit can reduce the volume of hemostatic structures, improve the storage capacity of hemostasis device.
The production and application process of elastic plate hemostatic structures is as follows: drag-line 6 tensed when production and is fixed, it will be outside hemostatic materialThe outside that applying film is wrapped in adaptive elastic plate deployed configuration is stored in syringe jointly, at this time elastic plate 4 and elastic element8 storage elastic potential energys, elastic plate hemostatic structures are in initial contraction state (as shown in Figure 9).Elastic plate is stopped blooding when use and is tiedStructure is injected into wound, when wound is smaller, first passes through the reaming blade incised injury mouth of front end of the syringe needle, then again will hemostasisStructure injects wound, unclamps drag-line 6, and elastic element 8 discharges elastic potential energy, expands adaptive elastic plate deployed configuration along axialExhibition；Elastic plate 4, which discharges elastic potential energy, radially expands adaptive elastic plate.As shown in Figure 10, at elastic plate hemostatic structuresIn normal operating condition, elastic plate 4 discharges corresponding elastic strain energy according to locating shape of wound and the pressure being subject to, fromIt adapts to elastic plate deployed configuration to radially expand, driving hemostatic material external film 2 makes it be bonded the surface of a wound, to realize fast short stoppingBlood function, while being also able to satisfy shape and pressure adaptive requirement.Reach haemostatic effect post-tensioning and strain at rope, elastic plate is stopped bloodingStructure is taken out from wound, unclamps drag-line, and elastic plate hemostatic structures automatically restore to free unfolded state.As shown in figure 11, bulletProperty plate hemostatic structures are in free unfolded state, elastic strain energy zero.
Preferred embodiment are as follows: when in syringe, hemostasis external film diameter is 10cm~12cm, a height of 13cm~15cm, bulletProperty board width be 0.3cm~0.5cm, length of run be 13mm~15cm, with a thickness of 0.2mm~0.3mm；Support bar unit longDegree is preferably 13~15cm, and support rod element length will be preferably 13~15cm, make haemostatic effect more preferably；
Further preferred embodiment are as follows: the hemostasis preferred diameter of external film is 12cm, and a height of 15cm, and elastic board widthFor 0.5cm, and length of run is 14cm, and with a thickness of 0.3mm, support rod element length 15cm, syringe internal diameter 2cm, preferablySuitable in wound largest enveloping (when wound is irregular shape, largest enveloping is the circumcircle of wound) diameter 10cmThrough and through wound, haemostatic effect are best.
The through and through wound of wound largest enveloping diameter 10cm or more can be realized by adjusting elastic plate length and material.
The elasticity modulus range for the elastic material that elastic plate uses is preferably in 50~150Gpa, to meet hemostasis effect simultaneouslyFruit is with and to through wound offer active force appropriate.
The present invention using inflation and elastic deployed configuration, can rapid expanding fill through and through wound wound, stop with existing compressingBlood, calcination hemostasis, grease and gauze are filled the methods of hemostasis and are compared, and have the effect of Fast Filling hemostasis.Expansion of the inventionStructure has geometry adaptive characteristic, and cooperation hemostatic material is sucked blood expansion characteristics, wound surface uniform to wound pressureStickiness is good.The present invention can provide wound surface lasting extruding force, and squeeze pressure is adjustable, and adjustable range reachable greatly 0~16kPa.The present invention expands after squeezing into, and reaction speed is fast.The present invention is foldable and alternating expression elastic plate makes support force more equalEven, support rod magnification is bigger.The present invention can store for a long time convenient for storage.
The geometricshape of elastic plate of the invention is involute, and the base radius of involute is R.Compared with circular arc, gradually openCable architecture can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, generation it is anti-Act on it is more uniform, carry out and contraction process motion path it is more clear, it is ensured that hemostatic material under uniform pressureShape, can adaptively be cooperated with wound.Every layer arrangement one or two panels elastic plate, can reduce or avoid same layer bulletProperty plate between interference, reduce the constriction radius of elastic hemostatic structures, improve its shrinking percentage.
Support rod of the invention cuts with scissors unit by scissors and elastic element forms.Scissors cut with scissors unit by two rod pieces at centerIt is articulated and connected by pin shaft；The inner end of the elastic plate is fixed on pin shaft；The rod piece of the adjacent scissors hinge unit passes through companyIt connects and is hinged, elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Such scissors hinge unit can contractThe volume of small hemostatic structures improves the storage capacity of hemostasis device.The present invention is stopped by adaptive elastic plate deployed configuration outsourcingBlood material external film makes hemostatic material external film be in contact and play with wound surface by elastic plate release elastic strain energyHemostasis blood coagulation is realized in pressing effect.
The present invention discharges elastic strain by elastic plate and is able to cooperate the flexibility of hemostatic material external film, it can be achieved that passing throughThe geometric self-adaptation of perforating wound wound can realize adaptive filling according to the shape of wound.Elastic plate of the present invention can basisBlood pressure and tissue elasticity discharge corresponding strain energy and balance with it, thus meet different wound hemostasis pressure demands,With pressure adaptive.The present invention discharges elastic potential energy by elastic element and drives support rod along axially expanded, to guaranteeHemostatic structures have enough bearing area.