CN109091191A - A kind of foldable alternating expression elastic plate hemostatic structures and hemostasis device and method - Google Patents

Abstract

The invention discloses a kind of foldable alternating expression elastic plate hemostatic structures and hemostasis device and method, which is made of hemostatic material external film and adaptive elastic plate deployed configuration.Adaptive elastic plate deployed configuration by elastic plate and support bar group at.Elastic plate is fixed on support rod, and every layer there are two elastic plate, each layer elastic plates to arrange according to certain differential seat angle θ, and the geometric linear of elastic plate is involute, and involute base radius is R, and hemostatic material external film is pasted and fixed on the outside of elastic plate.Support rod cuts with scissors unit by scissors and elastic element forms.Hemostatic structures are injected into wound when use, elastic element discharges elastic potential energy at this time, and along axially expanded, elastic plate release elastic potential energy radially expands driving support rod, and driving hemostatic material external film makes its be bonded the surface of a wound, to realize quick-acting haemostatic powder function.

Description

A kind of foldable alternating expression elastic plate hemostatic structures and hemostasis device and method

Technical field

The present invention relates to a kind of through and through wound hemostatic structures, especially a kind of foldable alternating expression elastic plate hemostatic structures and onlyBlood device and method belongs to hemostatic device technical field.

Background technique

Existing battlefield through and through wound hemostatic treatment mainly uses hemostasis by compression, calcination hemostasis, grease and gauze filling hemostasis etc.Method, these conventional Hemostasis are also far from satisfying the urgency of through and through wound hemostasis due to the limitation of war conditions or rescued effectRequirement is rescued, therefore is badly in need of researching and developing one kind new Hemostasis and device to plug a gap.The medical technology of Ore. is publicDepartment RevMedx has developed the medical device of a syringe-like, and entitled " XStat ", built-in miniature absorbent cotton can change medical officerThe mode for treating bullet wound and shell wound.In use, the miniature absorbent cotton of tens pill shapes is injected wound by medical officer, absorbent cotton is poly- by shellSugar processing.Chitosan being capable of clotted blood and to anti-infective.In seconds, absorbent cotton can expand ten times, be closed wound and stopBlood.But the wounded of this mode bleeding big for battlefield by expanded tampon of sucking blood is breakneck, and material is swollenIts weakened after swollen, it is difficult to provide wound surface lasting extruding force, function need further perfect.

Summary of the invention

The technical problems to be solved by the present invention are: in view of the deficiency of the prior art, designing a kind of foldableAlternating expression elastic plate hemostatic structures and hemostasis device and Hemostasis, the through and through wound hemostasis function with shape and pressure adaptiveEnergy.Hemostatic material external film is pasted onto the surface of adaptive elastic plate deployed configuration by the present invention thus, adaptive using preceding compressionAnswer elastic plate deployed configuration that its is made to store energy, discharging elastic strain energy by elastic plate when use makes adaptive elastic plate expansionStructure expansion, and corresponding deformation is occurred according to wound geometry and realizes form adaptive, according to blood pressure and tissue bulletProperty the corresponding elastic strain of release be able to achieve pressure adaptive, driving hemostatic material external film makes its be bonded wound surface, realizesThe life of wounded soldier in fight is saved in Fast Filling, blood coagulation, hemostasis.

To achieve the above object, the technical solution adopted by the present invention are as follows: a kind of foldable alternating expression elastic plate hemostatic structures,It include: hemostatic material external film (2), the adaptive elastic plate deployed configuration (3) of alternating expression, hemostatic material external film (2) is pasted solidIt is scheduled on the outer end of the adaptive elastic plate deployed configuration (3),

The adaptive elastic plate deployed configuration (3) of alternating expression can discharge elastic potential energy and extend both axially and radially, and driving stopsBlood material external film (2) makes it be bonded the surface of a wound, realizes hemostasis.

Elastic plate (4) has n piece, each layer self-adapting elastic plate expansion in every layer self-adapting elastic plate deployed configuration basic unitThe piece number of elastic plate and position difference on structural base member, and be interspersed, the other end of elastic plate (4) is fixed on hemostatic materialExpect on external film (2).

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, and every layer self-adapting elastic plate deployed configuration is substantially singleMember 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 on hemostatic materialOn external film (2).

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)Hingedly.

A kind of foldable alternating expression elastic plate hemostasis device, comprising: syringe (1) and the foldable alternating expression bulletProperty plate hemostatic structures, foldable alternating expression elastic plate hemostatic structures are located in syringe, syringe (1) can by it is foldable staggeredlyFormula elastic plate hemostatic structures are squeezed into 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 foldable alternating expression elastic plate hemostasis device, steps are as follows:

(1) in the wound of tissue, the foldable alternating expression elastic plate hemostatic structures are beaten by syringe (1)Enter in wound；

(2) after entering wound, 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 having the beneficial effect that compared with the existing technology:

(1) geometricshape of elastic plate of the invention is involute, and the base radius of involute is R.Compared with circular arc, graduallyThe structure that bursts at the seams 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 elasticInterference between 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.

Detailed description of the invention:

Fig. 1 is the signal of the foldable alternating expression elastic plate hemostasis device (i.e. injecting type elastic plate hemostasis device) of the present inventionFigure；；

Fig. 2 is the initial fold state diagram of hemostatic material external film；

Fig. 3 is state diagram when hemostatic material external film uses；

Fig. 4 is adaptive elastic plate unfolding assumption diagram；

Fig. 5 is elastic plate structural map；

Fig. 6 is supporting bar structure figure；

Fig. 7 is that support rod scissors cut with scissors unit figure；

Fig. 8 is that adjacent supports bar scissors cut with scissors unit connection figure；

Fig. 9 is the initial contraction state diagram of elastic plate hemostatic structures；

Figure 10 is elastic plate hemostatic structures normal operating condition figure；

Figure 11 is the free unfolding state figure of elastic plate hemostatic structures.

Figure 12 is the part of the foldable alternating expression elastic plate hemostasis device (i.e. injecting type elastic plate hemostasis device) of the present inventionPerspective diagram；；

Specific embodiment

The present invention will be further explained with reference to the accompanying drawing.

The invention discloses a kind of foldable alternating expression elastic plate hemostatic structures, and the structure is by hemostatic material external film and certainlyAdapt to elastic plate deployed configuration composition.Adaptive elastic plate deployed configuration by elastic plate and support bar group at.Elastic plate is fixed onOn support rod, every layer there are two elastic plate, each layer elastic plates to arrange according to certain differential seat angle θ, and the geometric linear of elastic plate isInvolute, involute base radius are R, and hemostatic material external film is pasted and fixed on the outside of elastic plate.Support rod is cut with scissors by scissorsUnit and elastic element composition.Hemostatic structures are injected into wound when use, elastic element discharges elastic potential energy, driving at this timeAlong axially expanded, elastic plate release elastic potential energy radially expands support rod, and driving hemostatic material external film makes its 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 by elastic plate and support bar group at；It is describedElastic 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 certain differential seat angle θArrangement,The inner end of the elastic plate is fixed on the support rod, and hemostatic material external film is fixed on elastic plateOuter end.

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 generation compared withBe it is uniform, carry out and contraction process motion path it is more clear, it is ensured that the shape under uniform pressure of hemostatic material,Can adaptively it be cooperated with wound.Every layer arrangement one or two panels elastic plate, can reduce or avoid between same layer elastic plateInterference, 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 cut with scissors unit and pass through pin at center by two rod piecesAxis articulated connection；The inner end of the elastic plate is fixed on pin shaft；The rod piece of the adjacent scissors hinge unit is hinged by connectionIt connects, elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Such scissors hinge unit can reduce hemostasisThe volume of structure improves the storage capacity of hemostasis device.

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 by elastic plate and support bar group at；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 fixed on the branchOn strut, hemostatic material external film is fixed on the outer end of elastic plate.

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, make by elastic plate release elastic strain energyHemostatic material external film is in contact with wound surface and plays 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 through and through wound woundGeometric self-adaptation, adaptive filling can be realized 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 meet notSame wound hemostasis pressure demand has pressure adaptive.

Discharging elastic potential energy by elastic element drives support rod along axially expanded, to ensure that hemostatic structures have footEnough bearing area.

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；It is describedNormal operating condition under, adaptive elastic plate deployed configuration according to shape of wound occur corresponding deformation, be applied with hemostatic materialFilm is close to wound surface；Under the initial contraction state, elastic plate hemostatic structures are stored in syringe.Production process i.e. byElastic plate hemostatic structures are stored in syringe by free unfolded state to initial contraction condition conversion, and elastic plate shrinks, supportsBar is folded to store elastic strain energy.Use process is converted from initial contraction state to normal operating condition, is filled by injectionIt sets and elastic plate hemostatic structures is injected into wound, when wound is smaller, first pass through the reaming blade incised injury of front end of the syringe needleMouthful, hemostatic structures are then injected into wound again, elastic element discharges elastic potential energy, makes adaptive elastic plate deployed configuration along axialExtension；Elastic plate discharges corresponding elastic strain energy according to locating shape of wound and the pressure being subject to, and makes adaptive elastic plateDeployed configuration radially expands, and driving hemostatic material external film makes it be bonded the surface of a wound, thus realize quick-acting haemostatic powder function, whileIt is able to satisfy shape and pressure adaptive requirement.Taking-up process is converted from normal operating condition to free unfolded state, is reached onlyElastic plate hemostatic structures are taken out from wound after blood effect, it is automatic to restore to zero potential energy states.

As shown in figs. 1 and 12, injecting type elastic plate hemostasis device is by syringe 1, hemostatic material external film 2 and adaptiveElastic plate deployed configuration 3 forms.There are reaming blades 10 for 1 front end of syringe, when wound is smaller, cut wound to be put into hemostasisDevice.State when being respectively the initial fold state of hemostatic material external film 2 shown in Fig. 2, Fig. 3 and using, hemostatic material are applied withFilm 2 its with certain flexibility, blood (water) expansion can be met.As shown in figure 4, adaptive elastic plate deployed configuration 3 is by elastic plate 4It is formed with support rod 5, elastic plate 4 is in layered distribution, and every layer of elastic plate has n piece, wherein 1≤n≤2, each layer elastic plate are pressedAccording to 90 ° of differential seat angle arrangement, the inner end of elastic plate 4 is fixed on the support rod 5, and hemostatic material external film is pasted and fixed on bulletThe outer end of property plate.As shown in figure 5, the geometricshape of elastic plate 4 is involute, the base radius of involute is R.With circular arc phaseThan involute structure can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, produceRaw reaction is more uniform, carry out and contraction process motion path it is more clear, it is ensured that hemostatic material uniformShape under pressure can adaptively be cooperated with wound, and adaptive filling can be realized according to the shape of wound.Such as Fig. 6Shown, support rod cuts with scissors unit 6 by scissors and elastic element 7 forms.As shown in fig. 7, scissors hinge unit 6 is by two rod pieces 8 inThe heart is articulated and connected by pin shaft 9, the elastic plate, inner end be fixed on pin shaft 9.As shown in figure 8, adjacent scissors hinge unitRod piece 8 is hinged by connection, and 7 both ends of elastic element are connected on the connecting hinge of adjacent scissors hinge unit 6.Such scissorsHinge 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: being wrapped in hemostatic material external film 2 adaptively when productionThe outside of elastic plate deployed configuration is stored in syringe jointly, and elastic plate 4 and elastic element 7 store elastic potential energy, bullet at this timeProperty plate hemostatic structures are in initial contraction state (as shown in Figure 9).Elastic plate hemostatic structures are injected into wound when use, whenWhen wound is smaller, the reaming blade incised injury mouth of front end of the syringe needle is first passed through, hemostatic structures are then injected into wound, elasticity member againPart 7 discharges elastic potential energy, axially expands adaptive elastic plate deployed configuration edge；Elastic plate 4, which discharges elastic potential energy, to be made adaptivelyElastic plate radially expands.As shown in Figure 10, elastic plate hemostatic structures are in normal operating condition, and elastic plate 4 is according to locatingShape of wound and the pressure being subject to discharge corresponding elastic strain energy, and adaptive elastic plate deployed configuration radially expands, and driveHemostatic material external film 2 makes it be bonded the surface of a wound, to realize quick-acting haemostatic powder function, while being also able to satisfy shape and pressure adaptiveIt is required that.Elastic plate hemostatic structures are taken out from wound after reaching haemostatic effect, elastic plate hemostatic structures automatically restore to freedomUnfolded state.As shown in figure 11, elastic 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 rod element lengthPreferably 13~15cm, 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 width is0.5cm, and length of run is 14cm, and with a thickness of 0.3mm, support rod element length 15cm, syringe internal diameter 2cm, it is preferably suitableRun through for wound largest enveloping (when wound is irregular shape, largest enveloping is the circumcircle of wound) diameter 10cmWound, 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 haemostatic effect simultaneouslyWith and to provide active force appropriate through wound.

The present invention using inflation and elastic deployed configuration, can rapid expanding fill through and through wound wound, with existing hemostasis by compression,Calcination hemostasis, grease and gauze are filled the methods of hemostasis and are compared, and have the effect of Fast Filling hemostasis.Deployed configuration of the inventionWith geometry adaptive characteristic, hemostatic material is cooperated to suck blood expansion characteristics, wound surface stickiness uniform to wound pressureIt is good.The present invention can provide wound surface lasting extruding force, and squeeze pressure is adjustable, and adjustable range is greatly up to 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 evenly, supportsBar 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, the anti-work of generationWith more uniformly, 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 elastic plateBetween 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 hinge unit is led to by two rod pieces at centerCross pin 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 connectionIt is hinged, elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Such scissors hinge unit can reduceThe volume of hemostatic structures improves the storage capacity of hemostasis device.The present invention is stopped blooding by adaptive elastic plate deployed configuration outsourcingMaterial external film makes hemostatic material external film be in contact with wound surface and plays pressing by elastic plate release elastic strain energyHemostasis blood coagulation is realized in 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 running throughThe geometric self-adaptation of wound can realize adaptive filling according to the shape of wound.Elastic plate of the present invention can be according to bloodPressure and tissue elasticity discharge corresponding strain energy and balance with it, to meet different wound hemostasis pressure demands, haveThere is pressure adaptive.The present invention discharges elastic potential energy by elastic element and drives support rod along axially expanded, to ensure thatHemostatic structures have enough bearing area.

Claims (11)

Translated fromChinese

1.一种可折叠交错式弹性板止血结构，其特征在于包括：止血材料外敷膜(2)、交错式自适应弹性板展开结构(3)，止血材料外敷膜(2)粘贴固定在所述自适应弹性板展开结构(3)的外端，1. A foldable staggered elastic plate hemostatic structure, characterized in that it comprises: a hemostatic material coating (2), a staggered self-adaptive elastic plate expansion structure (3), and the hemostatic material coating (2) is pasted and fixed on the the outer end of the self-adaptive elastic plate unfolded structure (3),交错式自适应弹性板展开结构(3)能够释放弹性势能沿轴向和径向扩展，驱动止血材料外敷膜(2)使其贴合创面，实现止血。The staggered self-adaptive elastic plate deployment structure (3) can release the elastic potential energy to expand in the axial and radial directions, and drive the hemostatic material outer coating film (2) to fit the wound surface to realize hemostasis.2.根据权利要求1所述的一种可折叠交错式弹性板止血结构，其特征在于：所述交错式自适应弹性板展开结构(3)，由自适应弹性板展开结构基本单元和支撑杆(5)组成；2. A foldable staggered elastic plate hemostasis structure according to claim 1, characterized in that: the staggered self-adaptive elastic plate unfolded structure (3) consists of a basic unit of the self-adaptive elastic plate unfolded structure and a support rod (5) Composition;自适应弹性板展开结构基本单元呈层状分布，每层自适应弹性板展开结构基本单元由弹性板和支撑杆(5)组成；弹性板(4)一端固定在支撑杆(5)上，另一端固定在止血材料外敷膜(2)上。The basic units of the self-adaptive elastic plate expansion structure are distributed in layers, and each layer of self-adaptive elastic plate expansion structure basic units is composed of an elastic plate and a support rod (5); one end of the elastic plate (4) is fixed on the support rod (5), and the other One end is fixed on the outer coating film (2) of the hemostatic material.3.根据权利要求2所述的一种可折叠交错式弹性板止血结构，其特征在于：每层自适应弹性板展开结构基本单元上弹性板(4)有n片，各层自适应弹性板展开结构基本单元上弹性板的片数和位置不同，并交错分布，弹性板(4)的另一端固定在止血材料外敷膜(2)上。3. A kind of foldable staggered elastic plate hemostasis structure according to claim 2, it is characterized in that: each layer of self-adaptive elastic plate expands the structure basic unit to have n pieces of elastic plate (4), each layer of self-adaptive elastic plate The number and positions of the elastic plates on the basic unit of the unfolded structure are different, and they are distributed in a staggered manner. The other end of the elastic plates (4) is fixed on the hemostatic material external coating film (2).4.根据权利要求2所述的一种可折叠交错式弹性板止血结构，其特征在于：每层自适应弹性板展开结构基本单元上弹性板(4)有n片，1≤n≤2，各层弹性板(4)按照一定的角度排布。4. A foldable staggered elastic plate hemostasis structure according to claim 2, characterized in that: each layer of self-adaptive elastic plate expansion structure basic unit has n pieces of elastic plates (4), 1≤n≤2, The elastic plates (4) of each layer are arranged according to a certain angle.5.根据权利要求2所述的一种可折叠交错式弹性板止血结构，其特征在于：设各层自适应弹性板展开结构基本单元中相邻两层排布的距离最近的两个弹性板(4)角度为θ，当弹性板(4)为曲面时，θ定义为相邻两层弹性板到支撑杆垂面的投影曲线根部的切线形成的夹角，根部是指支撑杆(5)与弹性板(4)的接触点，5. A foldable staggered elastic plate hemostasis structure according to claim 2, characterized in that: the two adjacent elastic plates arranged in two adjacent layers in the basic unit of the expanded structure of each layer are arranged (4) The angle is θ. When the elastic plate (4) is a curved surface, θ is defined as the angle formed by the tangent of the root of the projection curve from the adjacent two layers of elastic plates to the vertical surface of the support rod. The root refers to the support rod (5) point of contact with the elastic plate (4),6.根据权利要求2所述的一种可折叠交错式弹性板止血结构，其特征在于：设各层自适应弹性板展开结构基本单元中相邻两层排布的距离最近的两个弹性板(4)角度为θ，当弹性板(4)为平面时，θ定义为相邻两层弹性板到支撑杆垂面的投影形成的夹角，6. A foldable staggered elastic plate hemostasis structure according to claim 2, characterized in that: the two adjacent elastic plates arranged in two adjacent layers in the basic unit of the unfolded structure of each layer are arranged (4) The angle is θ. When the elastic plate (4) is a plane, θ is defined as the angle formed by the projection of the adjacent two layers of elastic plates to the vertical surface of the support bar.7.根据权利要求1所述的一种可折叠交错式弹性板止血结构，其特征在于：所述弹性板(4)的几何线型为渐开线。7. A foldable interlaced elastic plate hemostasis structure according to claim 1, characterized in that: the geometric line type of the elastic plate (4) is an involute.8.根据权利要求3所述的一种可折叠交错式弹性板止血结构，其特征在于：所述支撑杆(5)由剪式铰单元(6)和弹性元件(7)、销轴(9)组成，8. A foldable interlaced elastic plate hemostasis structure according to claim 3, characterized in that: the support rod (5) is composed of a scissor hinge unit (6), an elastic element (7), a pin shaft (9 )composition,剪式铰单元(6)由两根杆件(8)组成；两根杆件(8)铰接；The scissor hinge unit (6) is composed of two rods (8); the two rods (8) are hinged;销轴(9)与两根杆件(8)铰接处固接，销轴(9)的两端均能够连接弹性板(4)的一端；The pin shaft (9) is fixedly connected to the hinge joints of the two rods (8), and both ends of the pin shaft (9) can be connected to one end of the elastic plate (4);销轴(9)所在平面两侧各设有一个弹性元件(7)，弹性元件(7)的两端分别连接在相邻剪式铰单元(6)的两根杆件(8)的端部，相邻两个剪式铰单元(6)的两根杆件(8)的端部铰接。An elastic element (7) is provided on both sides of the plane where the pin shaft (9) is located, and the two ends of the elastic element (7) are respectively connected to the ends of the two rods (8) of the adjacent scissor hinge unit (6) , the ends of two rods (8) of two adjacent scissor hinge units (6) are hinged.9.一种可折叠交错式弹性板止血装置，包括：注射器(1)以及权利要求1～8之一所述的可折叠交错式弹性板止血结构，可折叠交错式弹性板止血结构位于注射器内，注射器(1)能够将可折叠交错式弹性板止血结构打入人体组织的伤口内。9. A foldable staggered elastic plate hemostatic device, comprising: a syringe (1) and the foldable staggered elastic plate hemostatic structure according to any one of claims 1 to 8, the foldable staggered elastic plate hemostatic structure is located in the syringe The injector (1) can drive the foldable interlaced elastic plate hemostatic structure into the wound of human tissue.10.根据权利要求9所述的一种可折叠交错式弹性板止血装置，其特征在于：所述注射器(1)前端存在扩孔刀片(10)，能够切割伤口以放入止血装置。10. A foldable staggered elastic plate hemostatic device according to claim 9, characterized in that there is a reaming blade (10) at the front end of the syringe (1), which can cut the wound and put it into the hemostatic device.11.一种可折叠交错式弹性板止血装置的止血方法，其特征在于步骤如下：11. A hemostatic method of a foldable interlaced elastic plate hemostatic device, characterized in that the steps are as follows:(1)在人体组织的伤口处，由注射器(1)将权利要求1～8之一所述的可折叠交错式弹性板止血结构打入伤口内；(1) At the wound of the human body tissue, inject the foldable interlaced elastic plate hemostatic structure described in any one of claims 1 to 8 into the wound with a syringe (1);(2)进入伤口后，弹性板(4)和支撑杆(5)在弹性势能的作用下展开，弹性板(4)沿径向展开，支撑杆(5)沿轴向展开；(2) After entering the wound, the elastic plate (4) and the support rod (5) expand under the action of elastic potential energy, the elastic plate (4) expands in the radial direction, and the support rod (5) expands in the axial direction;(3)沿径向和轴向展开的自适应弹性板展开结构(3)带动止血材料外敷膜(2)扩张为较大体积，并且产生对人体组织的挤压力；(3) The self-adaptive elastic plate expansion structure (3) that expands in the radial direction and the axial direction (3) drives the hemostatic material outer coating film (2) to expand to a larger volume, and generates extrusion force on human tissue;(4)根据贯穿伤产生的空腔大小，自适应弹性板展开结构(3)带动止血材料外敷膜(2)形成与空腔一致的形状，从而顶住出血点，止血材料外敷膜贴合创面，实现止血。(4) According to the size of the cavity produced by the penetrating wound, the self-adaptive elastic plate deployment structure (3) drives the hemostatic material outer coating (2) to form a shape consistent with the cavity, thereby resisting the bleeding point, and the hemostatic material outer coating fits the wound surface , to achieve hemostasis.