CN211674424U - Differential pressure controllable tourniquet - Google Patents
Differential pressure controllable tourniquet Download PDFInfo
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- CN211674424U CN211674424U CN202020191220.8U CN202020191220U CN211674424U CN 211674424 U CN211674424 U CN 211674424U CN 202020191220 U CN202020191220 U CN 202020191220U CN 211674424 U CN211674424 U CN 211674424U
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- tourniquet
- air bag
- air duct
- differential pressure
- gasbag
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Abstract
The utility model provides a differential pressure controllable tourniquet, which comprises a buffer air bag, a tourniquet and a tourniquet air bag, wherein the buffer air bag is in a cuboid shape and is connected with the center of the inner side surface of the tourniquet, the tourniquet air bag is arranged on the tourniquet and is arranged on one side of the buffer air bag, and the size of the buffer air bag, which is vertical to the length direction of the tourniquet, is not less than the width of the tourniquet; the utility model provides a difference pressure controllability tourniquet, increase the area of contact with normal tissue through buffering gasbag, thereby reduce the pressure to normal tissue of buffering gasbag, the pressure difference can be regulated and control to buffering gasbag and tourniquet, realize that the blood vessel of selective oppression bleeding and do not produce the oppression influence to normal tissue blood flow, and then play and effectively stanch the blood and do not influence the normal blood supply of limbs distal end to the position of bleeding, hemostasis by compression for a long time, avoid taking place because of its adverse events that the misuse arouses, win the valuable time for rescuing life or the operation of guarantor limb clinically.
Description
Technical Field
The utility model belongs to the field of medical equipment, specifically relate to a difference pressure controllability tourniquet.
Background
In battlefield rescue, limb ischemic necrosis and related complications are caused by the long-term use of tourniquets, which causes disputes about tourniquets in battlefield use, and the first edition of tactical wound Treatment (TCCC) of the American military changed long-term principles in 1996: namely, tourniquets are the last intervention, and it is well established that tourniquets should be used early to control life-threatening bleeding from limb injuries. Subsequently, the American Special war commander, the American Central commander, the American army surgical institute and the tactical wound treatment committee (CoTCCC) jointly research relevant evidences, modify relevant ordinances, training manuals and guidelines, and enable the tourniquet to become an important means for each fighter to treat the life-threatening limb hemorrhage. The application of the tourniquet saves 1000-2000 lives on the iraq and afghanistan battlefield.
Compared with the traditional tourniquet, the tourniquet has the hemostatic effect of compression bandaging, has the hemostatic effect of medicine, and particularly has exact effect when the great vessel is subjected to hemorrhage and hemostasis; the body fluid circulation can be blocked to current atmospheric pressure tourniquet, make the operation position be in the bloodless state between the art, help medical personnel to operate under the clear state, not only can make things convenient for the operation, also can effectively avoid blood to take place the stasis in the circulation district, no matter the tourniquet pressurizes or aerating device pressurizes and reaches the hemostatic purpose through machinery, it all evenly exerts pressure to the contact site of tourniquet, when the hemostasis of oppression hemorrhage blood vessel, also oppress normal blood circulation, normal position and hemorrhage position blood flow all are blocked, can not use for a long time, improper use easily leads to the periosteum syndrome, limbs avascular necrosis even.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a differential pressure controllability tourniquet that but alternative oppression hemorrhage blood vessel does not produce the oppression influence to normal blood flow.
In order to achieve the purpose, the technical scheme of the utility model as follows, a difference pressure controllability tourniquet, including buffering gasbag, tourniquet and hemostasis gasbag, the buffering gasbag is the cuboid shape, and is connected with the central authorities of the medial surface of tourniquet, the medial surface is the side of tourniquet and skin contact, on the tourniquet was located to the hemostasis gasbag, and located one side of buffering gasbag, the length direction's of buffering gasbag perpendicular to tourniquet width not less than the tourniquet.
Preferably, the buffering gasbag includes dull and stereotyped gasbag and backing sheet, the backing sheet sets up along perpendicular to tourniquet length direction, and along the length direction's of perpendicular to tourniquet size not less than the width of tourniquet, a plurality of dull and stereotyped gasbags pass through the backing sheet and connect side by side.
Preferably, a plurality of through holes are formed in the supporting sheet, and the flat air bags are communicated through the through holes.
Preferably, the support sheet has a dimension perpendicular to the inner side of the tourniquet that is no greater than the dimension of the flat balloon.
Preferably, the tourniquet with controllable differential pressure further comprises an inflation port and an inflation device, and the buffering air bag and the hemostasis air bag are both communicated with the inflation device through the inflation port.
Preferably, the inflation device comprises an air guide tube, a gas regulating valve, a manual control inflation balloon and a barometer, one end of the air guide tube is communicated with the inflation inlet, the other end of the air guide tube is communicated with the manual control inflation balloon, and the gas regulating valve and the barometer are arranged on the air guide tube.
Preferably, the hemostatic balloon comprises a first compression balloon and a second compression balloon.
Preferably, the air duct includes first air duct, second air duct and air duct valve, the gasbag is aerifyd in first pressing through first air duct and manual control balloon intercommunication, the gasbag is pressed through second air duct and first air duct intercommunication to the second, the air duct valve is located on the second hemostasis air duct.
Preferably, the first pressing air bag and the second pressing air bag are provided with intervals and arranged side by side along the length direction of the tourniquet.
Preferably, the tourniquet is provided with a thread gluing button and an adhesive buckling belt, the thread gluing button is arranged at one end of the tourniquet, the adhesive buckling belt is arranged at the other end of the tourniquet, and the thread gluing button is matched with the adhesive buckling belt.
The utility model has the advantages that,
1. the tourniquet is wound around a bleeding limb and fixed, the wound part of the bleeding limb is uniformly pressed, before the buffering air bag is started, the pressure of the buffering air bag part on the tourniquet on the bleeding limb is the same as that of the tourniquet part on the bleeding limb, after the buffering air bag is started, the size of the buffering air bag perpendicular to the length direction of the tourniquet is set to be not smaller than the width of the tourniquet, so that the contact area of the buffering air bag and the normal limb is larger than the contact surface of the tourniquet and the normal limb, the pressure of the buffering air bag on the bleeding limb is smaller than that of other parts on the tourniquet on the bleeding limb, effective compression on the bleeding blood vessel or tissues can be realized;
2. the supporting sheet is arranged along the direction vertical to the length direction of the tourniquet, the size along the direction vertical to the length direction of the tourniquet is not smaller than the width of the tourniquet, the flat air bags are connected side by side through the supporting sheet, the strength of the buffering air bags can be guaranteed, and the contact surface of the buffering air bags and normal tissues is effectively increased;
3. the flat air bag is communicated through the through hole on the supporting sheet, and the whole buffering air bag can be inflated only by arranging one inflation hole, so that the structure is simple and the operation is convenient;
4. the size of the supporting sheet vertical to the inner side of the tourniquet is not larger than that of the flat air bag, so that the hard supporting sheet can be effectively prevented from being directly contacted with normal tissues and even scratching and crushing the normal tissues;
5. the buffer air bag and the hemostasis air bag are communicated with the inflating device through the inflating port, the air pressure values in the buffer air bag and the hemostasis air bag are observed in real time through the air pressure meter, and the air pressure value is adjusted through the air adjusting valve, so that the tourniquet can be used within a safe air pressure range, and adverse consequences caused by improper use are effectively avoided;
6. the manual control inflation balloon is adopted for inflation, so that the production cost can be reduced, impact, jolt and rainwater factor influence in a war environment can be avoided, and the manual control inflation balloon has higher reliability than electric inflation;
7. the two pressing air bags capable of being independently inflated and deflated are adopted for pressing hemostasis, the selection of pressing positions can be increased to adapt to different patients and different bleeding positions, and the cross bottom inflation pressing can be performed when the tourniquet is used for a long time, so that the damage to the same pressing part is reduced;
8. the Y-shaped pipeline formed by the first air duct and the second air duct is communicated, the opening and closing of the second air duct are independently controlled through the air duct valve, two pressing air bags can be controlled to inflate and deflate through one manual control inflation balloon, the structure is reasonable, and the production cost can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of the embodiment shown in FIG. 1;
FIG. 3 is a front view of the embodiment shown in FIG. 1;
FIG. 4 is a left side view of the embodiment shown in FIG. 1;
FIG. 5 is a schematic view of the structure of the cushioning bladder shown in FIG. 1;
FIG. 6 is a left side view of the cushion bladder shown in FIG. 5;
fig. 7 is a schematic structural view of the support sheet shown in fig. 5;
fig. 8 is a schematic structural diagram of another embodiment of the present invention;
fig. 9 is a schematic structural diagram of another embodiment of the present invention.
In the figure, 1-a buffer air bag, 11-a flat air bag, 12-a support sheet, 121-a through hole, 2-a tourniquet, 21-a thread gluing button, 22-an adhesive buckle, 3-a tourniquet, 31-a first pressing air bag, 32-a second pressing air bag, 4-an inflation port, 5-an inflation device, 51-an air duct, 511-a first air duct, 512-a second air duct, 513-an air duct valve, 52-an air regulating valve, 53-a manual control inflation balloon and 54-a barometer.
Detailed Description
The technical scheme of the utility model is further described in detail with reference to the accompanying drawings and specific embodiments:
example one
Referring to fig. 1-7, the tourniquet with controllable differential pressure provided in this embodiment includes a buffering airbag 1, a tourniquet 2, a tourniquet airbag 3, an inflation inlet 4 and an inflation device 5, where the buffering airbag 1 is rectangular and connected to the center of the inner side of the tourniquet 2, the inner side is the side of the tourniquet 2 contacting with the skin, the tourniquet airbag 3 is disposed on the tourniquet 2 and on one side of the buffering airbag 1, the size of the buffering airbag 1 perpendicular to the length direction of the tourniquet 2 is not smaller than the width of the tourniquet 2, and the tourniquet airbag 3 is an oval inflatable balloon.
When the tourniquet 2 twines the bleeding limb, carry out even application of pressure to the winding position of the bleeding limb, before the buffering gasbag launches, 1 position of buffering gasbag is the same to the pressure of the bleeding limb with 3 positions of hemostasis gasbag on the tourniquet, after the buffering gasbag launches, through setting for the size of the length direction of 1 perpendicular to tourniquet 2 of buffering gasbag is not less than the width of tourniquet 2, make the area of contact of buffering gasbag 1 and normal limb be greater than the area of contact of tourniquet 2 and normal limb, increase the area of contact of tourniquet 2 and normal tissue through buffering gasbag 1, thereby realize that the pressure that buffering gasbag 1 produced the bleeding limb is less than the pressure that other positions produced the bleeding limb on the tourniquet 2, and then produce effective oppression to bleeding blood vessel or tissue, and normal tissue blood transport is not influenced.
The supporting sheet 12 is provided with a plurality of through holes 121, the flat air bag 11 is communicated through the through holes 121, and the whole buffering air bag 1 can be inflated only by arranging one inflation hole 4, so that the structure is simple and the operation is convenient.
The size of the supporting sheet 12 perpendicular to the inner side surface of the tourniquet 2 is not larger than that of the flat air bag 11, so that the hard supporting sheet 12 can be effectively prevented from directly contacting with normal tissues, and even scratching and crushing the normal tissues.
When the first pressing air bag 31 is selected to be used, the gas regulating valve 52 and the air duct valve 513 are closed, the first pressing air bag 31 is inflated through the manual control inflation balloon 53, when the second pressing air bag 32 is selected to be used, the gas regulating valve 52 is closed, the air duct valve 513 is opened, the first pressing air bag 31 and the second pressing air bag 32 are inflated simultaneously through the manual control inflation balloon 53, the pressure value of the barometer 54 is recorded when the hemostasis effect is achieved, the air duct valve 513 is closed, the gas regulating valve 52 is opened to deflate the first pressing air bag 31, the structural design enables blood vessel hemorrhage at different parts of limbs to be selectively oppressed, and the accurate hemostasis effect is achieved.
The tourniquet is characterized in that a thread sticking button 21 and an adhesive buckling belt 22 are arranged on the tourniquet 2, the thread sticking button 21 is arranged at one end of the tourniquet 2, the adhesive buckling belt 22 is arranged at the other end of the tourniquet 2, and the thread sticking button 21 is matched with the adhesive buckling belt 22.
When the tourniquet is used, the first pressing air bag 31 or the second pressing air bag 32 is selected according to a bleeding part of a limb, the selected first pressing air bag 31 or the selected second pressing air bag 32 is aligned to the bleeding part, the tourniquet 2 surrounds the bleeding limb, the thread fastening buckle 21 and the adhesive buckle belt 22 are fastened to finish fixing, the air adjusting valve 52 is locked, the buffer air bag 1 is inflated through the manual control inflation balloon 53, then the tourniquet air bag 3 is inflated through the manual control inflation balloon 53, the pressure value of the barometer 54 is recorded when the tourniquet air bag 3 is inflated and expanded to achieve a hemostasis effect, blood circulation of the far end of the limb where the tourniquet 2 is located is ensured to be unaffected, the bleeding part can be effectively and safely pressed, normal tissues are unaffected, the tourniquet can be used for a long time, and adverse events such as periosteum syndrome, limb ischemia necrosis.
Example two
Referring to fig. 8, the technical solutions provided in the present embodiment and the first embodiment are substantially the same, except that: the hemostatic air bag 3 is one, and when the hemostatic air bag is used, the hemostatic air bag 3 is aligned to a bleeding part for use, so that selection is not needed, the structure is simple, the operation is convenient, and the production cost is lower.
EXAMPLE III
Referring to fig. 9, the technical solutions provided in the present embodiment and the first embodiment are substantially the same, except that: first pressing gasbag 31 and the second and pressing gasbag 32 intercommunication respectively has aerating device 5, the independent control fills the gassing, need use which to press the gasbag just to fill the gassing through corresponding aerating device 5, it is accurate to correspond, two can independently fill the pressing gasbag of gassing and press hemostasis, can increase the selection of pressing the position, in order to adapt to different patients, different bleeding position, when tourniquet 2 long term uses, first pressing gasbag 31 and second press gasbag 32 and can also inflate in turn and press, reduce and press the position injury to same, and is rational in infrastructure, and easy and simple to handle.
The above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A differential pressure controllable tourniquet is characterized in that: including buffering gasbag (1), tourniquet (2) and hemostasis gasbag (3), buffering gasbag (1) is the cuboid shape, and is connected with the central authorities of the medial surface of tourniquet (2), the medial surface is the side of tourniquet (2) and skin contact, on tourniquet (2) was located in hemostasis gasbag (3), and located one side of buffering gasbag (1), the length direction's of buffering gasbag (1) perpendicular to tourniquet (2) size is not less than the width of tourniquet (2).
2. The differential pressure controllable tourniquet of claim 1, wherein: buffering gasbag (1) includes dull and stereotyped gasbag (11) and backing sheet (12), backing sheet (12) set up along perpendicular to tourniquet (2) length direction, and the size along the length direction of perpendicular to tourniquet (2) is not less than the width of tourniquet (2), a plurality of dull and stereotyped gasbags (11) are connected side by side through backing sheet (12).
3. The differential pressure controllable tourniquet of claim 2, wherein: the support sheet (12) is provided with a plurality of through holes (121), and the flat air bag (11) is communicated through the through holes (121).
4. The differential pressure controllable tourniquet of claim 2, wherein: the size of the support sheet (12) perpendicular to the inner side surface of the tourniquet (2) is not larger than that of the flat air bag (11).
5. The differential pressure controllable tourniquet of claim 1, wherein: the hemostatic air bag is characterized by further comprising an inflation port (4) and an inflation device (5), wherein the buffering air bag (1) and the hemostatic air bag (3) are communicated with the inflation device (5) through the inflation port (4).
6. The differential pressure controllable tourniquet of claim 5, wherein: the inflation device (5) comprises an air duct (51), a gas regulating valve (52), a manual control inflation balloon (53) and a barometer (54), one end of the air duct (51) is communicated with the inflation inlet (4), the other end of the air duct is communicated with the manual control inflation balloon (53), and the gas regulating valve (52) and the barometer (54) are arranged on the air duct (51).
7. The differential pressure controllable tourniquet of claim 6, wherein: the hemostatic balloon (3) comprises a first pressing balloon (31) and a second pressing balloon (32).
8. The differential pressure controllable tourniquet of claim 7, wherein: the air duct (51) comprises a first air duct (511), a second air duct (512) and an air duct valve (513), the first pressing air bag (31) is communicated with the manual control inflatable balloon (53) through the first air duct (511), the second pressing air bag (32) is communicated with the first air duct (511) through the second air duct (512), and the air duct valve (513) is arranged on the second hemostasis air duct (512).
9. The differential pressure controllable tourniquet of claim 7, wherein: the first pressing air bag (31) and the second pressing air bag (32) are arranged at intervals and are arranged side by side along the length direction of the tourniquet (2).
10. The differential pressure controllable tourniquet of claim 1, wherein: be equipped with area silk thread gluing (21) and bonding detain area (22) on tourniquet (2), the one end of tourniquet (2) is located in area silk thread gluing (21), the other end of tourniquet (2) is located in bonding detains area (22), area silk thread gluing (21) and bonding detain area (22) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191220.8U CN211674424U (en) | 2020-02-20 | 2020-02-20 | Differential pressure controllable tourniquet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191220.8U CN211674424U (en) | 2020-02-20 | 2020-02-20 | Differential pressure controllable tourniquet |
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| CN211674424U true CN211674424U (en) | 2020-10-16 |
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| CN202020191220.8U Expired - Fee Related CN211674424U (en) | 2020-02-20 | 2020-02-20 | Differential pressure controllable tourniquet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499117A (en) * | 2021-06-28 | 2021-10-15 | 北京朝阳急诊抢救中心 | Positive-pressure partition transparent adjustable limb wound surface hemostasis device |
-
2020
- 2020-02-20 CN CN202020191220.8U patent/CN211674424U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499117A (en) * | 2021-06-28 | 2021-10-15 | 北京朝阳急诊抢救中心 | Positive-pressure partition transparent adjustable limb wound surface hemostasis device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20210220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |