CN114984433B

CN114984433B - A venom emergency device that prevents diffusing for field operations snake and insect bites

Info

Publication number: CN114984433B
Application number: CN202210844336.0A
Authority: CN
Inventors: 刘洁; 朱宗红; 李晓伟; 任君琳
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-09-30
Anticipated expiration: 2042-07-19
Also published as: CN114984433A

Abstract

The invention discloses a venom diffusion-preventing emergency device for field operations of snake and insect bites. The invention belongs to the technical field of outdoor injection, extraction and treatment, and particularly relates to a venom diffusion-preventing emergency device for field operation snake and insect bites; the invention connects the ring-type post-treatment injection mechanism and the detachable vacuum type venom extraction mechanism through the ratchet telescopic linkage support, so that a patient can extract the venom while pushing the medicine to the periphery of a wound through the ring-type post-treatment injection mechanism, the efficiency is high, the operation can be carried out by one hand, the patient can be firmly bound through the mutual matching mode of the support frame round hole and the binding belt connecting buckle, and the wounded can independently, efficiently and effortlessly complete the whole self-rescue work under the condition of no help of companions.

Description

A venom emergency device that prevents diffusing for field operations snake and insect bites

Technical Field

The invention belongs to the technical field of outdoor injection, extraction and treatment, and particularly relates to a venom diffusion-preventing emergency device for field operation snake and insect bites.

Background

In field operations or other dangerous outdoor exercises, the people are likely to be bitten by snakes and insects, even ordinary outdoor exercises have certain probability to face the problem, the people need to be treated immediately after being bitten by the snakes and insects, otherwise, the harm to the wounded is extremely large after the toxin is diffused, the wounded is seriously or even can die, the medical community has already reached consensus in the free flow and attention after being bitten by the snakes and insects in the field, but the following problems still face during the actual operation:

a: compared with the rinsing with clear water, the effect of sucking out the venom at the wound is the best, but the wound is a position which cannot be reached by the wounded through the mouth, and the venom sucked out through the mouth has the risk of secondary infection;

b: the emergency treatment process is quite complicated, if the emergency treatment process is operated one by one, the time consumption is long, and the optimal rescue time can be delayed;

c: the self-rescue process is complicated and the physical energy is consumed, so that the companion is generally required to perform treatment; since if the patient moves vigorously, it will result in increased blood flow and rapid diffusion of the toxin.

In order to solve the problems, the invention firstly provides a venom diffusion-preventing emergency device which is used for field self rescue, can be operated by wounded persons, is convenient to use and has high operation efficiency and is used for field operations and insect bites.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a venom diffusion-preventing emergency device which is used for field self-rescue, can be operated by wounded persons, is convenient to use and has high operation efficiency and is used for field operations and insect bites by snakes; based on the above consideration, the invention creatively provides the ring-type post-treatment injection mechanism and the detachable vacuum type venom extraction mechanism, and the ring-type post-treatment injection mechanism and the detachable vacuum type venom extraction mechanism are connected through the ratchet telescopic linkage bracket, so that a patient can push the medicine to the periphery of a wound through the ring-type post-treatment injection mechanism and can extract the venom, the efficiency is high, the patient can be firmly bound through the mutual matching of the circular hole of the support bracket and the connecting buckle of the bandage, and the wounded can independently, efficiently and conveniently extract the venom without help of companions, The whole self-rescue work can be completed without labor.

The technical scheme adopted by the invention is as follows: the invention provides a venom diffusion-preventing emergency device for field operations, which comprises an annular post-treatment injection mechanism, a detachable vacuum venom extraction mechanism, a ratchet telescopic linkage bracket and a fixed hemostatic bandage, wherein the annular post-treatment injection mechanism is arranged in the fixed hemostatic bandage, medicaments with the functions of diminishing inflammation, killing viruses, relieving pain and the like can be injected around a wound through the annular post-treatment injection mechanism, so that the injured tissue is protected, the pain of a patient is relieved, and the injury is reduced, the detachable vacuum venom extraction mechanism is clamped in the annular post-treatment injection mechanism, and can automatically rise when the annular post-treatment injection mechanism presses down through the detachable vacuum venom extraction mechanism, so that negative pressure is generated in a vacuum extraction cylinder, and the venom and contaminated blood and tissue fluid at the wound are sucked out through the negative pressure, this device can operate alone under the circumstances that does not have the companion, possesses extremely strong practical value, the telescopic linkage support symmetry of ratchet is located between ring-type aftertreatment injection mechanism and the removable vacuum type venom extraction mechanism, through the linkage of ring-type aftertreatment injection mechanism, can lift removable vacuum type venom extraction mechanism automatically when pushing down with ring-type aftertreatment injection mechanism, has not only solved the difficult problem of conveniently taking out the venom when operating alone, has still reduced the operation degree of difficulty, has improved operating efficiency.

Further, the ring-shaped aftertreatment injection mechanism comprises an injection assembly and a ring-shaped support assembly, the injection assembly is annularly and uniformly distributed in the ring-shaped support assembly, and the ring-shaped support assembly is clamped in the fixed hemostatic bandage.

Preferably, the injection assembly comprises an injection tube, an injection piston, an injection end cap and an injection needle, the injection tube is clamped in the annular support assembly, a bottom connector of the injection tube is arranged on the injection tube, the injection piston is clamped and slidably arranged in the injection tube, a piston part is arranged on the injection piston and is in sliding sealing contact with the inner wall of the injection tube, a cross-shaped guide part corresponding to the inner wall of the injection tube is arranged on the piston part of the injection piston, a pressing part is further arranged on the injection piston, the injection end cap is clamped and arranged on the bottom connector of the injection tube, the injection needle is clamped and arranged in the injection end cap, and the injection assembly arranged annularly can diminish inflammation, sterilize and relieve pain around a wound in a full range.

As a further preferred aspect of the present invention, the annular support assembly includes an annular base and an annular pressing plate, the annular base is clamped in the fixing hemostatic bandage, the annular base is provided with a base arc bottom surface corresponding to the fixing hemostatic bandage, circular longitudinal holes of the base are annularly and uniformly distributed on the annular base, the injection tubes are clamped in the circular longitudinal holes of the base, square bosses of the base are symmetrically arranged on the annular base, square bosses of the base are provided with square holes of the base on the annular base, the annular pressing plate is fixedly connected to the pressing portion, and the annular support assembly can ensure that the injection assemblies of each group descend synchronously.

Further, can dismantle vacuum type venom extraction mechanism includes suction nozzle formula base, a vacuum extraction section of thick bamboo and a drawing liquid section of thick bamboo piston, suction nozzle formula base block is located in the annular base, suction nozzle formula base and annular base rigid coupling, the bottom of suction nozzle formula base is equipped with the base arc edge corresponding with base arc bottom surface, and wounded's skin can be hugged closely to base arc edge, can not take place gas leakage when guaranteeing to produce the negative pressure in the vacuum extraction section of thick bamboo to guarantee the effect of extraction venom, still be equipped with base joint on the suction nozzle formula base.

Preferably, a barrel joint is arranged on the vacuum extraction barrel, the vacuum extraction barrel is clamped in the base joint through the barrel joint, a liquid extraction barrel piston is clamped and slidably arranged in the vacuum extraction barrel, the liquid extraction barrel piston is in sliding sealing contact with the inner wall of the vacuum extraction barrel, the detachable vacuum type venom extraction mechanism can be replaced and detached, multiple times of extraction can be performed according to field conditions and environments, and the liquid extraction barrel piston needs to be manually pulled out of the vacuum extraction barrel in the rest extraction processes except for the first extraction.

Furthermore, the ratchet telescopic linkage support comprises a fixed ratchet seat, a lifting ratchet rack and a linkage binding band, the fixed ratchet seat is fixedly connected in a square hole of the base, a stop tooth groove is formed in the fixed ratchet seat in an array mode, the lifting ratchet rack is arranged in the square hole of the base in a clamping and sliding mode, elastic ratchets corresponding to the stop tooth groove are arranged in the lifting ratchet rack in an array mode, and a circular guide portion is arranged at the top of the lifting ratchet rack.

Preferably, one end of the linkage bandage is fixedly connected to the annular pressing plate, the other end of the linkage bandage is fixedly connected to the top of the liquid pumping cylinder piston, the linkage bandage is in sliding contact with the circular guide portion, and the linkage of the liquid pumping cylinder piston and the annular pressing plate can be realized through the linkage bandage through the mutually matched stop tooth grooves and the elastic ratchets, so that the carrying space is not occupied, and the supporting and guiding effects in use are guaranteed.

Further, fixed hemostasis bandage includes ARC support frame and hemostasis bandage subassembly, be equipped with the support frame round hole on the ARC support frame, the support frame round hole is located to the annular base block, for dismantling the connection between annular base and the ARC support frame, the both ends of ARC support frame are located to hemostasis bandage subassembly symmetry.

Preferably, the shape of the arc-shaped bottom surface of the base and the shape of the arc-shaped edge of the base are matched with the shape of the inner wall of the arc-shaped support frame.

As a further preferred aspect of the present invention, the hemostatic bandage assembly includes a magic tape bandage body and a bandage connecting buckle, the magic tape bandage body is fixedly connected to the surface of the arc-shaped support frame, two ends of the magic tape bandage body are connected by the bandage connecting buckle, and the magic tape bandage body is adhered to the body after bypassing the bandage connecting buckle, so as to bind the limb, thereby achieving hemostasis, effectively preventing toxin diffusion, and striving for a time for waiting for rescue.

The invention with the structure has the following beneficial effects:

(1) the ring-type post-treatment injection mechanism can inject medicaments with the functions of diminishing inflammation, killing viruses, relieving pain and the like to the periphery of a wound, thereby playing the roles of protecting injured tissues, relieving the pain of a patient and reducing the injury;

(2) the detachable vacuum type venom extraction mechanism can automatically rise when the annular post-treatment injection mechanism is pressed down, so that negative pressure is generated in the vacuum extraction cylinder, and venom and contaminated blood and tissue fluid at a wound are sucked out through the negative pressure;

(3) through linkage of the annular post-treatment injection mechanism, the detachable vacuum type venom extraction mechanism can be automatically lifted when the annular post-treatment injection mechanism is pressed down, so that the problem that the venom cannot be extracted conveniently during independent operation is solved, the operation difficulty is reduced, and the operation efficiency is improved;

(4) the injection assembly is annularly arranged, so that the periphery of the wound can be subjected to full-range inflammation diminishing, sterilization and pain relieving;

(5) the synchronous descending of all groups of injection assemblies can be ensured through the annular bracket assembly;

(6) the arc-shaped edge of the base can be tightly attached to the skin of a wounded person, so that gas leakage is avoided when negative pressure is generated in the vacuum pumping cylinder, and the effect of pumping venom is ensured;

(7) the detachable vacuum type venom extraction mechanism can be replaced and detached, can perform extraction for multiple times according to field conditions and environments, but needs to manually pull out the piston of the liquid extraction cylinder from the vacuum extraction cylinder in the other extraction processes except for the first extraction;

(8) through the mutually matched stop tooth grooves and the elastic ratchets, the linkage of the liquid pumping cylinder piston and the annular pressing plate can be realized through the linkage binding band, so that the portable liquid pumping cylinder not only does not occupy space when being carried, but also ensures the supporting and guiding effects when being used;

(9) the magic is pasted the bandage body and is walked around and paste on itself after the bandage connector link, can bind the limbs, can stanch on the one hand, and on the other hand can effectively prevent the toxin diffusion, strives for the time of waiting for the rescue.

Drawings

FIG. 1 is a perspective view of an emergency device for preventing spreading of venom due to biting of field warfare insects according to the present invention;

FIG. 2 is a front view of an emergency device for preventing spreading of venom due to biting of field warfare insects according to the present invention;

FIG. 3 is a top view of the emergency device for preventing spreading of venom due to biting of field warfare insects according to the present invention;

FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;

FIG. 6 is a schematic structural view of a ring-type post-treatment injection mechanism of an emergency device for preventing spreading of venom due to biting of field warfare insects according to the present invention;

FIG. 7 is a schematic structural view of a detachable vacuum-type venom extraction mechanism of an emergency device for preventing diffusion of venom caused by field operations and insect bites;

FIG. 8 is a schematic structural view of a ratchet retractable linkage bracket of an emergency device for preventing spreading of venom caused by field operations and insect bites according to the present invention;

FIG. 9 is a schematic structural view of a fixing hemostatic bandage of an emergency device for preventing spreading of venom caused by field operations and insect bites;

FIG. 10 is an enlarged view of a portion of FIG. 5 at I;

FIG. 11 is an enlarged view of a portion of FIG. 5 at II;

FIG. 12 is an enlarged view of a portion of FIG. 4 at III;

fig. 13 is a partial enlarged view of the portion iv in fig. 4.

Wherein, 1, a ring post-processing injection mechanism, 2, a detachable vacuum venom extraction mechanism, 3, a ratchet telescopic linkage support, 4, a fixed hemostatic bandage, 5, an injection assembly, 6, a ring support assembly, 7, an injection tube, 8, an injection piston, 9, an injection end cover, 10, an injection needle, 11, a ring base, 12, a ring pressing plate, 13, a bottom joint of the injection tube, 14, a piston part, 15, a cross guide part, 16, a pressing part, 17, a base arc bottom surface, 18, a base circular longitudinal hole, 19, a base square boss, 20, a base square hole, 21, a suction nozzle type base, 22, a vacuum extraction tube, 23, a liquid extraction tube piston, 24, a base arc edge, 25, a base joint, 26, a tube body joint, 27, a fixed ratchet seat, 28, a lifting ratchet rack, 29, a linkage bandage, 30, a stopping tooth groove, 31 and elasticity, 32. circular guide part, 33, arc support frame, 34, hemostasis bandage subassembly, 35, support frame round hole, 36, magic tape bandage body, 37, bandage connector link.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in figure 1, the invention provides a venom diffusion-preventing emergency device for field operations and snake and insect bites, which comprises an annular post-treatment injection mechanism 1, a detachable vacuum venom extraction mechanism 2, a ratchet telescopic linkage bracket 3 and a fixed hemostatic bandage 4, wherein the annular post-treatment injection mechanism 1 is arranged in the fixed hemostatic bandage 4, medicaments with the functions of diminishing inflammation, killing poison, relieving pain and the like can be injected around a wound through the annular post-treatment injection mechanism 1, so that the injured tissue is protected, the pain of a patient is relieved, and the injury is reduced, the detachable vacuum venom extraction mechanism 2 is clamped in the annular post-treatment injection mechanism 1, the detachable vacuum venom extraction mechanism 2 can automatically rise when the annular post-treatment injection mechanism 1 is pressed down, so that negative pressure is generated in a vacuum extraction barrel 22, and venom and contaminated blood and tissue fluid at the wound are sucked out through the negative pressure, this device can operate alone under the condition that does not have the companion, and the device has extremely strong practical value, the telescopic linkage support of ratchet 3 symmetry is located between ring type aftertreatment injection mechanism 1 and the removable vacuum type venom extraction mechanism 2, through the linkage of ring type aftertreatment injection mechanism 1, can lift removable vacuum type venom extraction mechanism 2 automatically when pushing down with ring type aftertreatment injection mechanism 1, the difficult problem of the venom of just not taking out when having solved alone operation has still been reduced the operation degree of difficulty, operating efficiency has been improved.

As shown in fig. 1, 3, 5 and 9, the fixing hemostatic bandage 4 comprises an arc-shaped support frame 33 and a hemostatic bandage assembly 34, the arc-shaped support frame 33 is provided with a support frame circular hole 35, the annular base 11 is clamped in the support frame circular hole 35, the annular base 11 and the arc-shaped support frame 33 are detachably connected, and the hemostatic bandage assembly 34 is symmetrically arranged at two ends of the arc-shaped support frame 33; the shapes of the arc bottom surface 17 of the base and the arc edge 24 of the base are matched with the shape of the inner wall of the arc support frame 33; stanching bandage subassembly 34 includes that the magic is pasted and is taken body 36 and

bandage connector link

37, and 36 rigid couplings of bandage body are pasted to the magic in arc-shaped support frame 33's surface, and the magic is pasted and is taken the both ends of body 36 and pass through bandage connector link 37 and connect, and the magic is pasted and is taken body 36 to bypass and take and paste on itself behind bandage connector link 37, can bind the limbs, can stanch on the one hand, and on the other hand can effectively prevent the toxin diffusion, strives for the time of waiting for the rescue.

As shown in fig. 1, 2, 4, 6 and 10, the ring-shaped aftertreatment injection mechanism 1 comprises injection assemblies 5 and ring-shaped bracket assemblies 6, wherein the injection assemblies 5 are annularly and uniformly distributed in the ring-shaped bracket assemblies 6, and the ring-shaped bracket assemblies 6 are clamped in the fixed hemostatic bands 4; the injection assembly 5 comprises an injection tube 7, an injection piston 8, an injection end cover 9 and an injection needle 10, the injection tube 7 is clamped in the annular support assembly 6, the injection tube 7 is provided with an injection tube bottom connector 13, the injection piston 8 is clamped and slidably arranged in the injection tube 7, the injection piston 8 is provided with a piston part 14, the piston part 14 is in sliding sealing contact with the inner wall of the injection tube 7, the injection piston 8 is provided with a cross-shaped guide part 15 corresponding to the inner wall of the injection tube 7 on the piston part 14, the injection piston 8 is also provided with a pressing part 16, the injection end cover 9 is clamped and arranged on the injection tube bottom connector 13, the injection needle 10 is clamped and arranged in the injection end cover 9, and the surrounding of a wound can be subjected to inflammation diminishing, virus killing and pain relieving in a full range through the annularly arranged injection assembly 5; the annular bracket component 6 comprises an annular base 11 and an annular pressing plate 12, the annular base 11 is clamped in the fixed hemostatic bandage 4, the annular base 11 is provided with a base arc-shaped bottom surface 17 corresponding to the fixed hemostatic bandage 4, the annular base 11 is provided with a base circular longitudinal hole 18 in an annular uniform distribution manner, the injection tube 7 is clamped in the base circular longitudinal hole 18, the annular base 11 is symmetrically provided with a base square boss 19, the annular base 11 is provided with a base square hole 20 at the base square boss 19, the annular pressing plate 12 is fixedly connected to the pressing part 16, and synchronous descending between groups of injection components 5 can be ensured through the annular bracket component 6.

As shown in fig. 1, 4, 7 and 11, the detachable vacuum type venom extraction mechanism 2 comprises a suction nozzle type base 21, a vacuum extraction cylinder 22 and a fluid extraction cylinder piston 23, the suction nozzle type base 21 is clamped in the annular base 11, the suction nozzle type base 21 is fixedly connected with the annular base 11, a base arc-shaped edge 24 corresponding to the base arc-shaped bottom surface 17 is arranged at the bottom of the suction nozzle type base 21, the base arc-shaped edge 24 can be tightly attached to the skin of a wounded person, so that no gas leakage occurs when negative pressure is generated in the vacuum extraction cylinder 22, the venom extraction effect is ensured, and a base joint 25 is further arranged on the suction nozzle type base 21; be equipped with barrel joint 26 on the vacuum extraction section of thick bamboo 22, vacuum extraction section of thick bamboo 22 is located in base joint 25 through barrel joint 26 block, draw liquid section of thick bamboo piston 23 block slip and locate in vacuum extraction section of thick bamboo 22, draw liquid section of thick bamboo piston 23 and the inner wall sliding seal contact of vacuum extraction section of thick bamboo 22, can dismantle vacuum type venom extraction mechanism 2 and change and dismantle, can carry out a lot of extractions according to the field conditions and environment, but except that the extraction for the first time, all the other extraction processes just need manually to draw out draw liquid section of thick bamboo piston 23 from vacuum extraction section of thick bamboo 22.

As shown in fig. 1, 8, 12 and 13, the ratchet telescopic linkage bracket 3 includes a fixed ratchet seat 27, a lifting ratchet rack 28 and a linkage binding band 29, the fixed ratchet seat 27 is fixedly connected in the base square hole 20, a stop tooth groove 30 is arranged on the fixed ratchet seat 27 in an array manner, the lifting ratchet rack 28 is arranged in the base square hole 20 in a clamping and sliding manner, an elastic ratchet 31 corresponding to the stop tooth groove 30 is arranged on the lifting ratchet rack 28 in an array manner, and a circular guide portion 32 is arranged at the top of the lifting ratchet rack 28; one end of the linkage bandage 29 is fixedly connected to the annular pressing plate 12, the other end of the linkage bandage 29 is fixedly connected to the top of the liquid pumping cylinder piston 23, the linkage bandage 29 is in sliding contact with the circular guide portion 32, and the linkage of the liquid pumping cylinder piston 23 and the annular pressing plate 12 can be realized through the linkage bandage 29 through the mutually matched stop tooth grooves 30 and the elastic ratchets 31, so that the carrying space is not occupied, and the supporting and guiding effects in use are ensured.

When the device is used specifically, after a user is bitten by a snake or an insect, the user firstly needs to calm down to avoid the acceleration of the blood flow rate caused by violent movement;

then the bitten limb passes through the magic tape bandage body 36, so that the wound is approximately positioned at the right center of the annular base 11;

then the device is fixed near the wound by tensioning the magic tape bandage body 36, and simultaneously the blood vessel near the wound is pressed by the binding of the magic tape bandage body 36, so that the blood flow speed is reduced;

then the lifting ratchet rack 28 is drawn out to the height of the tension of the linkage binding band 29, and then the annular pressing plate 12 is slowly pressed down;

in the process of pressing down the annular pressing plate 12, the liquid medicine in the injection tube 7 can be injected to the periphery of the wound through the injection needle 10 by the propulsion of the injection piston 8, so that the effects of diminishing inflammation, killing virus and relieving pain are achieved;

the annular pressing plate 12 can drive the liquid pumping cylinder piston 23 to move upwards through the linkage binding band 29 while pressing downwards, the vacuum pumping cylinder 22 generates negative pressure due to the upward movement of the liquid pumping cylinder piston 23, and the poisonous fluid at the wound, the polluted blood and tissue fluid flow into the vacuum pumping cylinder 22 under the action of the negative pressure because the arc-shaped edge 24 of the base is attached to the skin of the patient;

all or most of the venom can be extracted by first extraction, if the venom needs to be extracted again, the joint between the annular pressing plate 12 and the pressing part 16 needs to be damaged, the annular pressing plate 12 is communicated with the detachable vacuum type venom extraction mechanism 2 to be wholly removed, and the lifting ratchet rack 28 is completely removed so as not to influence subsequent operation;

then, a new detachable vacuum type venom extraction mechanism 2 is replaced, and venom is extracted again in a manual extraction mode;

after the extraction is finished, taking down the whole annular base 11, and then repeatedly washing the wound with clean water;

after the cleaning is finished, the patient can wait for rescue, and the magic tape bandage body 36 needs to be loosened for a few minutes every half hour in the period, so that tissue necrosis caused by non-circulation of blood is avoided.

The above is the overall working process of the invention, and the steps are repeated when the device is used next time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A spreading emergency device is prevented to venom that is used for field operations snake and insect to sting which characterized in that: the device comprises an annular post-treatment injection mechanism (1), a detachable vacuum type venom extraction mechanism (2), a ratchet telescopic linkage support (3) and a fixed hemostatic bandage (4), wherein the annular post-treatment injection mechanism (1) is arranged in the fixed hemostatic bandage (4), the detachable vacuum type venom extraction mechanism (2) is clamped in the annular post-treatment injection mechanism (1), and the ratchet telescopic linkage support (3) is symmetrically arranged between the annular post-treatment injection mechanism (1) and the detachable vacuum type venom extraction mechanism (2); the annular post-treatment injection mechanism (1) comprises injection components (5) and an annular support component (6), wherein the injection components (5) are annularly and uniformly distributed in the annular support component (6), and the annular support component (6) is clamped in a fixed hemostatic bandage (4);

the injection assembly (5) comprises an injection cylinder (7), an injection piston (8), an injection end cover (9) and an injection needle (10), the injection tube (7) is clamped in the annular support component (6), the injection tube (7) is provided with an injection tube bottom connector (13), the injection piston (8) is clamped and arranged in the injection cylinder (7) in a sliding way, a piston part (14) is arranged on the injection piston (8), the piston part (14) is in sliding sealing contact with the inner wall of the injection cylinder (7), the piston part (14) of the injection piston (8) is provided with a cross-shaped guide part (15) corresponding to the inner wall of the injection cylinder (7), the injection piston (8) is also provided with a pressing part (16), the injection end cover (9) is clamped on a joint (13) at the bottom of the injection cylinder, and the injection needle (10) is clamped in the injection end cover (9);

the annular support assembly (6) comprises an annular base (11) and an annular pressing plate (12), the annular base (11) is clamped in the fixed hemostatic bandage (4), the annular base (11) is provided with a base arc-shaped bottom surface (17) corresponding to the fixed hemostatic bandage (4), the annular base (11) is annularly and uniformly provided with base circular longitudinal holes (18), the injection tube (7) is clamped in the base circular longitudinal holes (18), the annular base (11) is symmetrically provided with base square bosses (19), the annular base (11) is provided with base square holes (20) at the base square bosses (19), and the annular pressing plate (12) is fixedly connected to the pressing part (16);

the detachable vacuum type venom extraction mechanism (2) comprises a suction nozzle type base (21), a vacuum extraction cylinder (22) and a liquid extraction cylinder piston (23), wherein the suction nozzle type base (21) is clamped in the annular base (11), the suction nozzle type base (21) is fixedly connected with the annular base (11), a base arc-shaped edge (24) corresponding to the base arc-shaped bottom surface (17) is arranged at the bottom of the suction nozzle type base (21), and a base joint (25) is further arranged on the suction nozzle type base (21);

a cylinder body joint (26) is arranged on the vacuum extraction cylinder (22), the vacuum extraction cylinder (22) is clamped in the base joint (25) through the cylinder body joint (26), the liquid extraction cylinder piston (23) is clamped and slidably arranged in the vacuum extraction cylinder (22), and the liquid extraction cylinder piston (23) is in sliding sealing contact with the inner wall of the vacuum extraction cylinder (22);

the ratchet telescopic linkage support (3) comprises a fixed ratchet seat (27), a lifting ratchet rack (28) and a linkage binding band (29), the fixed ratchet seat (27) is fixedly connected into a base square hole (20), a stop tooth groove (30) is formed in the fixed ratchet seat (27) in an array mode, the lifting ratchet rack (28) is clamped and slidably arranged in the base square hole (20), elastic ratchets (31) corresponding to the stop tooth groove (30) are formed in the lifting ratchet rack (28) in an array mode, and a circular guide portion (32) is arranged at the top of the lifting ratchet rack (28).

2. The emergency device for preventing spreading of venom for a field warfare snake bite according to claim 1, wherein: one end of the linkage binding belt (29) is fixedly connected to the annular pressing plate (12), the other end of the linkage binding belt (29) is fixedly connected to the top of the liquid pumping cylinder piston (23), and the linkage binding belt (29) is in sliding contact with the circular guide part (32).

3. The emergency device for preventing spreading of venom for a field warfare snake bite according to claim 2, wherein: fixed hemostasis bandage (4) include arc support frame (33) and hemostasis bandage subassembly (34), be equipped with support frame round hole (35) on arc support frame (33), support frame round hole (35) are located to annular base (11) block, be connected for dismantling between annular base (11) and arc support frame (33), the both ends of arc support frame (33) are located to hemostasis bandage subassembly (34) symmetry.

4. The emergency device for preventing spreading of venom for a field warfare snake bite according to claim 3, wherein: the shapes of the arc-shaped bottom surface (17) of the base and the arc-shaped edge (24) of the base are matched with the shape of the inner wall of the arc-shaped support frame (33).

5. The emergency device for preventing spreading of venom for a field warfare snake bite according to claim 4, wherein: stanch and tie subassembly (34) including magic tape bandage body (36) and bandage connector link (37), magic tape bandage body (36) rigid coupling in the surface of arc support frame (33), the both ends of magic tape bandage body (36) are passed through bandage connector link (37) and are connected.