CN211962689U - Wound venom aspirator - Google Patents
Wound venom aspirator Download PDFInfo
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- CN211962689U CN211962689U CN201921763296.7U CN201921763296U CN211962689U CN 211962689 U CN211962689 U CN 211962689U CN 201921763296 U CN201921763296 U CN 201921763296U CN 211962689 U CN211962689 U CN 211962689U
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Abstract
The utility model discloses empty wound venom aspirator of having opened, including suction tube, setting piston rod, the setting piston that sets up at the piston rod front end that can suction tube round trip movement relatively in suction tube and the suction nozzle of setting at the suction tube front end, suction tube is separated into the second cavity that is located the first cavity of piston front end and is located the piston rear end by the piston, suction nozzle inner chamber and second cavity intercommunication, the piston rod is with the sealed cooperation of the rear end of suction tube, be equipped with sealing member, its characterized in that between piston and the suction tube inner wall: and a connecting channel communicated with the second cavity is arranged in the piston rod, and a communicating hole communicated with the second cavity and the outside is formed in the wall of the connecting channel. The utility model provides a wound venom aspirator with convenient operation and good venom aspirating effect.
Description
Technical Field
The utility model belongs to the field of medical instrument class, concretely relates to wound venom aspirator.
Background
In daily life, people always like going to outdoor outing or camping, particularly in summer with high temperature, outdoor poisonous snakes or poisonous insects move very frequently, so that the probability of being bitten by the poisonous snakes or the poisonous insects is very high, and the people cannot timely give a doctor to treat the bite of the poisonous snakes or the poisonous insects usually, and the emergency treatment mode usually selected by people for treating wounds is as follows: tying the wound to reduce toxin absorption; the wound is squeezed or sucked by mouth to extrude or suck the venom out.
However, the amount of the venom discharged by the method is very limited, the detoxifying effect is poor, the risk of sucking the wound by using the mouth is high, and the safety is low.
The device used by medical staff in hospitals to discharge the venom from wounds at present is: the end of the syringe to which the needle is attached is cut away and then covered over the incised wound to begin the withdrawal of venom. The device has the problems of poor air tightness, poor comfort level and poor operability of the contact of the syringe and the wound of a human body, and has poor effect of extracting the venom.
Therefore, a wound venom extractor which is convenient to carry, good in venom absorbing effect and easy to operate is needed, so that the effect of absorbing venom by people bitten by vipers or poisonous insects or professional medical care personnel in the field is improved, the discharge amount of the venom is increased, and the life safety of the people bitten by the vipers or the poisonous insects is further ensured.
Disclosure of Invention
The utility model aims to solve the technical problem that a convenient operation, effectual wound venom aspirator of venom aspiration are provided to above-mentioned prior art current situation.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a wound venom aspirator, includes the suction tube, set up can inhale a round trip movement's piston rod relatively in the suction tube, set up at the piston of piston rod front end and set up the suction nozzle at the suction tube front end, the suction tube is separated into the second cavity that is located the first cavity of piston front end and is located the piston rear end by the piston, suction nozzle inner chamber and second cavity intercommunication, the piston rod is with the rear end seal fit who inhales the tube, be equipped with sealing member, its characterized in that between piston and the suction tube inner wall: the piston rod is internally provided with a connecting channel communicated with the second cavity, the connecting channel wall is provided with a communicating hole communicated with the second cavity and the outside, when the piston moves towards the rear end of the suction tube, air in the first cavity flows into the second cavity through a sealing piece, when the piston moves towards the front end of the suction tube, the sealing piece blocks the communication between the first cavity and the second cavity, the communicating hole is positioned outside the first cavity, and when the piston moves forwards to a working position, the communicating hole is positioned in the first cavity.
The sealing element is arranged in various modes, preferably, the sealing element is a lip-shaped sealing ring, the sealing element is sleeved on the piston rod and located at the front end of the piston, and the front end of the piston rod extends forwards to form a limiting step for limiting the sealing element.
In order to facilitate the discharge of the gas from the first cavity, the piston is preferably provided with a notch for the air in the first cavity to flow out when the piston moves towards the rear end of the suction tube.
In order to conveniently push the piston rod, preferably, the rear end of the piston rod extends out of the rear end of the suction tube and is connected with the handle.
The sealing structure of the piston rod and the suction tube has various structures, preferably, a sealing gasket ring capable of sealing the piston rod and the suction tube is arranged in the cavity at the rear end of the suction tube.
In order to facilitate the holding of the suction tube by the handle, preferably, the rear end of the suction tube is sleeved with a support, and the piston rod is movably arranged on the support in a penetrating way.
In order to facilitate the firm matching of the sealing gasket ring and the piston rod, preferably, a pressing ring assembly for firmly fixing the sealing gasket ring is arranged in the suction cylinder, the pressing ring assembly comprises a first pressing ring and a second pressing ring, the first pressing ring and the second pressing ring are respectively arranged on the front end face and the rear end face of the sealing gasket ring, and the first pressing ring and the second pressing ring are clamped and fixed.
The design structure of support has the multiple, as preferred, the support including the cover establish the support cap of inhaling a section of thick bamboo rear end, set up in support cap both sides and with the support foot of inhaling a section of thick bamboo outer wall joint and set up in support cap both sides and the handle that links to each other with the support foot, the piston rod activity is worn to establish on the support cap.
Compared with the prior art, the utility model has the advantages of: 1) the rear end of the suction tube is in sealing fit with the piston rod, and the piston positioned in the suction tube is matched with the sealing piece, so that when the piston moves forwards to a working position state, negative pressure is formed in the suction tube, the venom at the wound is sucked out quickly, the operation time is saved, the sucking efficiency is improved, and the pain of a patient is relieved; 2) the suction device is simple to operate, convenient to carry and high in practicability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the embodiment of the present invention (the piston rod is moved to the rearmost end of the suction tube);
FIG. 3 is a cross-sectional view of the embodiment of the present invention (the piston rod moves to the front end of the suction tube to the intermediate position);
fig. 4 is a cross-sectional view of the embodiment of the present invention (the piston rod is moved forward to the working position);
fig. 5 is an exploded view of an embodiment of the present invention;
FIG. 6 is a schematic structural view of a suction nozzle according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a suction nozzle according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a suction nozzle according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 8, it is a preferred embodiment of the present invention.
In this embodiment, the wound venom extractor comprises a suction tube 1, a piston rod 2, a piston 3, a suction nozzle 4, a handle 5, a sealing gasket ring 6, a bracket 7 and a sealing member 8.
A piston rod 2 is arranged in the suction tube 1, a suction nozzle 4 is arranged at the front end of the suction tube 1, and a support 7 is arranged at the rear end of the suction tube 1. A sealing gasket ring 6 is arranged in a cavity at the rear end of the suction tube 1, the piston rod 2 is in sealing fit with the rear end of the suction tube 1, the piston 3 is arranged at the front end of the piston rod 2, and the suction tube 1 is divided into a first cavity 11 at the front end of the piston 3 and a second cavity 12 at the rear end of the piston 3 by the piston 3.
The suction nozzle 4 can have various shapes, see fig. 5, 6, 7 and 8, and the tube diameter and the thickness of the suction nozzle 4 or the shape of the nozzle can be changed according to different wounds. Referring to fig. 2, the interior of the mouthpiece 4 communicates with the second cavity 12.
The interior of the piston rod 2 is provided with a connecting channel 21 communicated with the second cavity 12, and the wall of the connecting channel 21 is provided with a communicating hole 22 communicated with the second cavity 12 and the outside. The front end of the piston rod 2 extends forwards to form a limiting step 23 for limiting the sealing element 8. The rear end of the piston rod 2 extends out of the rear end of the suction tube 1 and is connected with a handle 5.
The piston 3 is arranged at the front end of the piston rod 2, a sealing piece 8 is arranged between the piston 3 and the inner wall of the suction tube 1, and a gap 31 is arranged at the edge of the piston 3. The piston 3 and the sealing piece 8 are matched to realize that when the piston 3 moves towards the rear end of the suction tube 1, air in the first cavity 11 flows into the second cavity 12 through the sealing piece 8, when the piston 3 moves to the rearmost end, the air in the first cavity 11 is exhausted, when the piston 3 moves towards the front end of the suction tube 1, the sealing piece 8 blocks the communication between the first cavity 11 and the second cavity 12, the communication hole 22 is positioned outside the first cavity 11, and when the piston 3 moves forwards to the working position, the communication hole 22 is positioned in the first cavity 11.
The sealing element 8 is a lip-shaped sealing ring, and the sealing element 8 is sleeved on the piston rod 2 and is positioned at the front end of the piston 3.
The front end face and the rear end face of the sealing gasket ring 6 are respectively provided with a first pressing ring 61 and a second pressing ring 62, and the first pressing ring 61 and the second pressing ring 62 are clamped and fixed.
Referring to fig. 5, the holder 7 includes a holder cap 71, holder legs 72 disposed at both sides of the holder cap 71 and engaged with the outer wall of the suction tube 1, and handles 73 disposed at both sides of the holder cap 71 and connected to the holder legs 72. In this embodiment, the holder cap 71, the holder leg 72, and the handle 73 are integrally formed.
The working principle is as follows: when the air-purifying device is used, the handle 5 drives the piston rod 2 to move towards the rear end of the suction tube 1, air in the first cavity 11 flows into the second cavity 12 through the sealing piece 8, and when the piston 3 moves to the rearmost end, air in the first cavity 11 is exhausted; the suction nozzle 4 is attached to a wound, when the handle 5 is pushed to move towards the front end of the suction tube 1, the sealing piece 8 blocks the communication between the first cavity 11 and the second cavity 12, the communication hole 22 is positioned outside the first cavity 11, air in the second cavity 12 is discharged through the communication hole 22 along the connecting channel 21, when the piston 3 moves forwards to the working position, the communication hole 22 is positioned in the first cavity 11, and the venom of the wound is sucked out under the negative pressure action of the first cavity 11.
Claims (8)
1. The utility model provides a wound venom aspirator, includes suction tube (1), sets up piston rod (2) that can inhale a section of thick bamboo (1) round trip movement relatively in suction tube (1), sets up piston (3) at piston rod (2) front end and sets up suction nozzle (4) at suction tube (1) front end, suction tube (1) is separated into first cavity (11) that are located piston (3) front end and is located second cavity (12) of piston (3) rear end by piston (3), suction nozzle (4) inner chamber and second cavity (12) intercommunication, piston rod (2) and the rear end of suction tube (1) sealed cooperation, be equipped with sealing member (8), its characterized in that between piston (3) and suction tube (1) inner wall: the piston rod (2) is internally provided with a connecting channel (21) communicated with the second cavity (12), the wall of the connecting channel (21) is provided with a communicating hole (22) communicated with the second cavity (12) and the outside, when the piston (3) moves towards the rear end of the suction tube (1), air in the first cavity (11) flows into the second cavity (12) through a sealing element (8), in the process that the piston (3) moves towards the front end of the suction tube (1), the sealing element (8) blocks the communication between the first cavity (11) and the second cavity (12), the communicating hole (22) is positioned outside the first cavity (11), and when the piston (3) moves forwards to a working position, the communicating hole (22) is positioned in the first cavity (11).
2. The wound venom aspirator according to claim 1, wherein the sealing member (8) is a lip-shaped sealing ring, the sealing member (8) is sleeved on the piston rod (2) and located at the front end of the piston (3), and the front end of the piston rod (2) extends forwards to form a limiting step (23) for limiting the sealing member (8).
3. The wound venom aspirator according to claim 1, wherein the piston (3) is provided with a notch (31) for the outflow of air from the first cavity (11) when the piston (3) moves towards the rear end of the cartridge (1).
4. The wound venom aspirator according to claim 1, wherein the rear end of the piston rod (2) extends out of the rear end of the suction tube (1) and is connected with the handle (5).
5. The wound venom aspirator according to claim 1, wherein a sealing gasket ring (6) capable of sealing the piston rod (2) with the suction tube (1) is arranged in the rear end cavity of the suction tube (1).
6. The wound venom aspirator according to claim 1, wherein the rear end of the suction tube (1) is sleeved with a bracket (7), and the piston rod (2) is movably arranged on the bracket (7) in a penetrating way.
7. The wound venom aspirator according to claim 5, wherein a pressing ring assembly for firmly fixing the sealing gasket ring (6) is arranged in the suction tube (1), the pressing ring assembly comprises a first pressing ring (61) and a second pressing ring (62), the first pressing ring (61) and the second pressing ring (62) are respectively arranged on the front end face and the rear end face of the sealing gasket ring (6), and the first pressing ring (61) and the second pressing ring (62) are clamped and fixed.
8. The wound venom aspirator according to claim 6, wherein the support (7) comprises a support cap (71) sleeved at the rear end of the suction tube (1), support legs (72) arranged at both sides of the support cap (71) and clamped with the outer wall of the suction tube (1), and a handle (73) arranged at both sides of the support cap (71) and connected with the support legs (72), and the piston rod (2) is movably arranged on the support cap (71) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763296.7U CN211962689U (en) | 2019-10-21 | 2019-10-21 | Wound venom aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763296.7U CN211962689U (en) | 2019-10-21 | 2019-10-21 | Wound venom aspirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211962689U true CN211962689U (en) | 2020-11-20 |
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ID=73352896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763296.7U Active CN211962689U (en) | 2019-10-21 | 2019-10-21 | Wound venom aspirator |
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| Country | Link |
|---|---|
| CN (1) | CN211962689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220115322A (en) * | 2021-02-10 | 2022-08-17 | 이형주 | Device for inhaling foreign substances that have penetrated the skin |
-
2019
- 2019-10-21 CN CN201921763296.7U patent/CN211962689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220115322A (en) * | 2021-02-10 | 2022-08-17 | 이형주 | Device for inhaling foreign substances that have penetrated the skin |
| KR102583625B1 (en) | 2021-02-10 | 2023-09-26 | 이형주 | A Device for inhaling foreign substances that have penetrated the skin |
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