CN109091194A - Foldable air bag and alternating expression elastic plate mixing hemostatic structures and hemostasis device - Google Patents
Foldable air bag and alternating expression elastic plate mixing hemostatic structures and hemostasis device Download PDFInfo
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- CN109091194A CN109091194A CN201811023595.7A CN201811023595A CN109091194A CN 109091194 A CN109091194 A CN 109091194A CN 201811023595 A CN201811023595 A CN 201811023595A CN 109091194 A CN109091194 A CN 109091194A
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- elastic plate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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Abstract
The invention discloses a kind of foldable air bags and alternating expression elastic plate mixing hemostatic structures and hemostasis device, and wherein hemostatic structures are by hemostatic material external film and mixed self-adapting structure composition.Mixed self-adapting structure is made of air bag, air charging system and adaptive elastic plate deployed configuration.The upper end of air bag and the closed connection of air charging system.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, and the geometric linear of elastic plate is involute, and hemostatic material external film is pasted and fixed on the outside of air bag.Mixing hemostatic structures are injected into wound when use, opening air charging system makes its expansion to air bag inflation, to drive hemostatic material external film and wound surface to be in contact, elastic plate release elastic potential energy, which radially expands, provides support for air bag, stop inflation after pressure meets wound pressing haemostatic condition, to realize hemostatic function.
Description
Technical field
The present invention relates to a kind of through and through wound hemostatic structures, especially a kind of ADAPTIVE MIXED hemostatic structures and injecting type mixing
Hemostasis device.
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 effect
Requirement 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 public
Department RevMedx has developed the medical device of a syringe-like, and entitled " XStat ", built-in miniature absorbent cotton can change medical officer
The 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 shell
Sugar processing.Chitosan being capable of clotted blood and to anti-infective.In seconds, absorbent cotton can expand ten times, be closed wound and stop
Blood.But the wounded of this mode bleeding big for battlefield by expanded tampon of sucking blood is breakneck, and material is swollen
Its weakened after swollen, it is difficult to provide wound surface lasting extruding force, function need further perfect.
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, design
With the through and through wound hemostatic structures of pressure adaptive.Hemostatic material external film is pasted onto mixed self-adapting structure by the present invention thus
Surface, discharging elastic potential energy and air charging system by elastic plate makes its expansion to air bag inflation, and according to wound geometry
Corresponding deformation occurs and realizes form adaptive, corresponding elastic strain is discharged according to blood pressure and tissue elasticity and is able to achieve pressure
Force adaptive, driving hemostatic material external film make it be bonded wound surface, realize Fast Filling, blood coagulation, hemostasis, save in fight
The life of wounded soldier.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of mixing hemostatic structures, including hemostatic material external film, which is characterized in that further include a mixed self-adapting knot
Structure；The mixed self-adapting structure is made of air bag, air charging system and adaptive elastic plate deployed configuration, the mixed self-adapting
Structure is made of air bag, air charging system and adaptive elastic plate deployed configuration, and the air charging system is connected to the air bag upper end
And it can be filled with into the air bag or gas bleeding, the adaptive elastic plate deployed configuration are located in the air bag；It is described from
Adapt to elastic plate deployed 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, π/3≤θ≤pi/2；The inner end of the elastic plate
It is fixed on the support rod；The hemostatic material external film is fixed on the outside of air bag.
The air bag has larger elasticity modulus, and elastic plate, which can be constrained, makes its contraction, is wrapped in the outer of the elastic plate
End need not be connected thereto, and top and air charging system airtight connection, lower part are pasted and fixed on support rod, and hemostatic material external film is viscous
Patch is fixed on the outside of air bag.Air bag can inhibit the expansion of elastic plate, facilitate the injection and taking-up of hemostatic structures.
The air charging system can control the gas pressure intensity in air bag according to blood pressure.
The geometricshape of the elastic plate is involute, and the base radius of involute is R.Compared with circular arc, involute knot
Structure can provide bigger reaction force in contraction state, and sphere of action is wider；Compared to straight line, the reaction of generation compared with
Be 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 plate
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 cut with scissors unit and pass through pin at center by two rod pieces
Axis 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 connection
It connects, elastic element both ends are connected on the connecting hinge of adjacent scissors hinge unit.Elasticity is stored and discharged by elastic element
Potential energy makes scissors hinge unit fold and stretch, and so as to reduce the volume of hemostatic structures, improves the storage capacity of hemostasis device.
A kind of injecting type mixing hemostasis device, the hemostatic structures including syringe and in syringe, feature exist
In: the hemostatic structures include hemostatic material external film and a mixed self-adapting structure；The mixed self-adapting structure by air bag,
Air charging system and adaptive elastic plate deployed configuration composition, the mixed self-adapting structure is by air bag, air charging system and adaptive
Elastic plate deployed configuration composition, the air charging system are connected to the air bag upper end and can be filled with or extract out gas into the air bag
Body, the adaptive elastic plate deployed configuration are located in the air bag；The adaptive elastic plate deployed 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 pressed
It arranges according to certain differential seat angle θ, π/3≤θ≤pi/2；The inner end of the elastic plate is fixed on the support rod；The hemostatic material
Material external film is fixed on the outside of air bag.By mixed self-adapting structure outsourcing hemostatic material external film, discharged by elastic plate
Elastic strain energy radial development and air bag inflation make hemostatic material external film be in contact with wound surface and play pressing work
With realization hemostasis blood coagulation.
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 mixed self-adapting structure outsourcing hemostatic material external film, elastic strain energy radial development is discharged by elastic plate
So that hemostatic material external film is in contact with wound surface with air bag inflation and play the role of pressing, realizes hemostasis blood coagulation.
Elastic strain energy is discharged by elastic plate and adjusts the flexibility of inside air bag pressure cooperation hemostatic material external film,
The geometric self-adaptation to through and through wound wound can be achieved, adaptive filling can be realized according to the shape of wound.
It can be balanced according to blood pressure and tissue flexible adjustment bladder pressure with it by air charging system, to meet not
Same 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 foot
Enough bearing area.
The expansion that can inhibit elastic plate by air bag facilitates the injection and taking-up of hemostatic structures；After air bag inflation,
Elastic plate expands into it and provides support, improves the enabling capabilities of air bag, and the two has complementary function.
After complete hemostasis, by adjusting atmospheric pressure in air bag, the pressure to wound can be reduced, make wound tissue again
Blood is crossed to prevent wound tissue around necrosis.
The operational version of the mixing hemostatic structures are as follows: there are initial contraction states, normal use for mixing hemostatic structures
State and free unfolded state.Under the initial contraction state, mixing hemostatic structures are stored in syringe；Described is normal
Under use state, according to shape of wound corresponding deformation occurs for mixed self-adapting structure, and hemostatic material external film is made to be close to wound table
Face；Under the free unfolded state, constraint of the adaptive elastic plate deployed configuration by air bag.Use preceding mixing hemostatic structures
It is stored in syringe.Mixing hemostatic structures are injected into wound when use, when wound is smaller, first pass through front end of the syringe needle
Reaming blade incised injury mouth, hemostatic structures are then injected into wound again, support rod elastic element discharges elastic potential energy, along axial direction
Expansion, opening air charging system makes its expansion to drive hemostatic material external film and wound surface to be in contact air bag inflation, bullet
Property plate discharge elastic potential energy, radially expand and provide support for air bag, air charging system comes with pressure detecting function, when pressure is full
Stop inflating after sufficient wound pressing haemostatic condition and keep pressure in air bag, to realize hemostatic function, and timely adjustment air bag
Pressure is to protect wound tissue around.After reaching haemostatic effect, gas in air bag is discharged, mixed self-adapting structure both shrinks will mix
It closes hemostatic structures to take out from wound, restore to free unfolded state.
Detailed description of the invention
Fig. 1 is injecting type mixing hemostasis device schematic diagram；
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 mixed self-adapting structure chart；
Fig. 5 is adaptive elastic plate unfolding assumption diagram；
Fig. 6 is elastic plate structural map；
Fig. 7 is supporting bar structure figure；
Fig. 8 is that support rod scissors cut with scissors unit figure；
Fig. 9 is that adjacent supports bar scissors cut with scissors unit connection figure；
Figure 10 is mixing hemostatic structures initial contraction state diagram；
Figure 11 is mixing hemostatic structures normal operating condition figure；
Figure 12 is the mixing free unfolding state figure of hemostatic structures.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1, injecting type elastic plate hemostasis device is by syringe 1, hemostatic material external film 2 and mixed self-adapting knot
Structure 3 forms.There are reaming blades 13 for 1 front end of syringe, when wound is smaller, cut wound to be put into hemostasis device.Fig. 2, Fig. 3
Shown state when being respectively the initial fold state of hemostatic material external film 2 and using, hemostatic material external film 2 its have it is certain
Flexibility, can meet blood (water) expansion.As shown in figure 4, mixed self-adapting structure 3 is by air bag 4, air charging system 5 and adaptive bullet
Property plate deployed configuration 6 form, air charging system 5 is in the 4 upper end airtight connection of air bag and can be filled with or extract out into the air bag
Gas, the adaptive elastic plate deployed configuration 6 are located in the air bag 4, and air bag 4 has larger elasticity modulus, can be constrained
Adaptive elastic plate deployed configuration 6 makes its contraction, and hemostatic material external film is pasted and fixed on the outside of air bag 4.Air charging system 5 can
To control the gas pressure intensity in air bag according to blood pressure.As shown in figure 5, adaptive elastic plate deployed configuration 6 is by elastic plate 7 and props up
Strut 8 forms, and the elastic plate 7 is in layered distribution, and every layer of elastic plate has 2, and each layer elastic plate 7 is according to 90 ° of angle
Difference arrangement.2 elastic plates of every layer arrangement can reduce or avoid the interference between same layer elastic plate, reduce elastic hemostatic structures
Constriction radius, improve its shrinking percentage.The inner end of the elastic plate 7 is fixed on the support rod 5, and hemostatic material external film is solid
It is scheduled on the outer end of elastic plate.Support rod is cylindrical body, and bottom surface radius is r.As shown in fig. 6, the geometricshape of elastic plate 7 is gradually to open
Line, the base radius of involute are R.Compared with circular arc, involute structure can provide bigger reaction in contraction state
Power, and sphere of action is wider；Compared to straight line, the reaction of generation is more uniform, carry out and contraction process motion path compared with
It is clear, it is ensured that the shape under uniform pressure of hemostatic material can adaptively be cooperated with wound.Such as Fig. 7 institute
Show, support rod cuts with scissors unit 9 by scissors and elastic element 10 forms.As shown in figure 8, scissors hinge unit 9 is by two rod pieces 11 in
The heart is articulated and connected by pin shaft 12, the elastic plate, inner end be fixed on pin shaft 12.As shown in figure 9, adjacent scissors cut with scissors unit
Rod piece 11 be hinged by connection, 10 both ends of elastic element are connected on the connecting hinge of adjacent scissors hinge unit 9.It is such
Scissors hinge unit can reduce the volume of hemostatic structures, improve the storage capacity of hemostasis device.
The production and application process for mixing hemostatic structures is as follows: hemostatic material external film being pasted onto mixed self-adapting when production
The outside of structure is stored in syringe jointly, is mixed hemostatic structures at this time and is in initial contraction state (as shown in Figure 10), bullet
Property plate 7 and support rod elastic element 10 shrink storage elastic potential energy.Mixing hemostatic structures are injected into wound when use, work as wound
When mouth 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, support rod bullet again
Property element 10 discharge elastic potential energy and make hemostatic structures along axially expanding, open air charging system to the inflation of air bag 4 make its expansion to
Driving hemostatic material external film 2 and wound surface are in contact, and the release of elastic plate 7 elastic potential energy, which radially expands, provides branch for air bag
Support.As shown in figure 11, mixing hemostatic structures are in normal operating condition, and air charging system 5 is according to the elasticity and blood of tissue 14
Pressure is inflated air bag 4, and elastic plate 7 radially expands therewith provides support for air bag, common to drive hemostatic material external film 2
So that it is bonded the surface of a wound, stops inflating and keeping pressure in air bag after pressure meets wound pressing haemostatic condition, stop to realize
Blood function, while being also able to satisfy shape and pressure adaptive requirement.Reach and discharge gas in air bag after haemostatic effect, it is hybrid from
Commensurate structure is shunk, and mixing hemostatic structures are taken out from wound, are restored to free unfolded state (as shown in figure 12).
Claims (8)
1. a kind of foldable air bag and alternating expression elastic plate mixing hemostatic structures, including hemostatic material external film (2), feature exists
In further including a mixed self-adapting structure (3)；The mixed self-adapting structure (3) is by air bag (4), air charging system (5) and adaptive
Elastic plate deployed configuration (6) are answered to form, the air charging system (5) is connected to the air bag (4) upper end and can be into the air bag
It is filled with or gas bleeding, the adaptive elastic plate deployed configuration (6) is located in the air bag (4)；The adaptive elastic plate
Deployed configuration (6) is made of elastic plate (7) and support rod (8)；The elastic plate (7) is in layered distribution, every layer of elastic plate
(7) there is n piece, wherein 1≤n≤2, each layer elastic plate (7) are arranged according to certain differential seat angle θ, π/3≤θ≤pi/2；The elasticity
The inner end of plate (7) is fixed on the support rod (8)；The hemostatic material external film (2) is fixed on the outside of air bag (4)；Institute
Support rod (8) is stated to be made of scissors hinge unit (9) and elastic element (10)；Scissors hinge unit (9) is by two rod pieces (11) in
The heart is articulated and connected by pin shaft (12)；The inner end of the elastic plate (7) is fixed on pin shaft (12)；The adjacent scissors cut with scissors unit
Rod piece (11) be hinged by connection, elastic element (10) both ends are connected to the connecting hinge of adjacent scissors hinge unit (9)
On.
2. mixing hemostatic structures according to claim 1, it is characterised in that: the air bag (4) has larger elasticity modulus,
The outer end for being wrapped in elastic plate need not be connected thereto, and top and air charging system airtight connection, lower part are pasted and fixed on support rod,
The hemostatic material external film is pasted and fixed on the outside of the air bag (4).
3. mixing hemostatic structures according to claim 1, it is characterised in that: the air charging system (5) controls according to blood pressure
Gas pressure intensity in air bag processed.
4. mixing hemostatic structures according to claim 1, it is characterised in that: the geometricshape of the elastic plate (7) is gradually
It bursts at the seams.
5. a kind of injecting type mixing hemostasis device, the hemostatic structures including syringe and in syringe, it is characterised in that:
The hemostatic structures include hemostatic material external film (2) and a mixed self-adapting structure (3)；The mixed self-adapting structure (3)
It is made of air bag (4), air charging system (5) and adaptive elastic plate deployed configuration (6), the air charging system (5) is connected to described
Air bag (4) upper end can be simultaneously filled with or gas bleeding into the air bag, and the adaptive elastic plate deployed configuration (6) is located at described
In air bag (4)；The adaptive elastic plate deployed configuration (6) is made of elastic plate (7) and support rod (8)；The elastic plate (7)
In layered distribution, every layer of elastic plate (7) has n piece, wherein 1≤n≤2, each layer elastic plate (7) is according to certain differential seat angle θ
Arrangement, π/3≤θ≤pi/2；The inner end of the elastic plate (7) is fixed on the support rod (8)；The hemostatic material external film
(2) it is fixed on the outside of air bag (4)；The support rod (8) is made of scissors hinge unit (9) and elastic element (10)；Scissors hinge
Unit (9) is articulated and connected at center by pin shaft (12) by two rod pieces (11)；The inner end of the elastic plate (7) is fixed on pin shaft
(12) on；The rod piece (11) of the adjacent scissors hinge unit is hinged by connection, and elastic element (10) both ends are connected to
On the connecting hinge of adjacent scissors hinge unit (9).
6. injecting type mixing hemostasis device according to claim 5, it is characterised in that: the air bag (4) has larger bullet
Property modulus, the outer end for being wrapped in elastic plate need not be connected thereto, top and air charging system airtight connection, and lower part is pasted and fixed on branch
On strut, the hemostatic material external film is pasted and fixed on the outside of the air bag (4).
7. injecting type mixing hemostasis device according to claim 5, it is characterised in that: the geometrical line of the elastic plate (6)
Type is involute, and the base radius of involute is R.
8. injecting type mixing hemostasis device according to claim 5, it is characterised in that: syringe (1) front end exists
Reaming blade (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023595.7A CN109091194B (en) | 2018-09-03 | 2018-09-03 | Foldable air bag and staggered elastic plate mixed hemostasis structure and hemostasis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023595.7A CN109091194B (en) | 2018-09-03 | 2018-09-03 | Foldable air bag and staggered elastic plate mixed hemostasis structure and hemostasis device |
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| Publication Number | Publication Date |
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| CN109091194A true CN109091194A (en) | 2018-12-28 |
| CN109091194B CN109091194B (en) | 2020-10-02 |
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| CN201811023595.7A Active CN109091194B (en) | 2018-09-03 | 2018-09-03 | Foldable air bag and staggered elastic plate mixed hemostasis structure and hemostasis device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201987604U (en) * | 2011-02-13 | 2011-09-28 | 郭光霞 | Vaginal compression hemostasis device |
| CN104847163A (en) * | 2015-03-25 | 2015-08-19 | 东南大学 | Assembly-free hinge-locked foldable tent |
-
2018
- 2018-09-03 CN CN201811023595.7A patent/CN109091194B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201987604U (en) * | 2011-02-13 | 2011-09-28 | 郭光霞 | Vaginal compression hemostasis device |
| CN104847163A (en) * | 2015-03-25 | 2015-08-19 | 东南大学 | Assembly-free hinge-locked foldable tent |
Non-Patent Citations (1)
| Title |
|---|
| 李萌: "第二十九期—一种战场贯穿伤快速止血装置", 《HTTP://WWW.QXSLAB.CN/CONTENT/DETAILS24_1361.HTML》 * |
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