CN209734721U - Special injector for local anesthesia - Google Patents
Special injector for local anesthesia Download PDFInfo
- Publication number
- CN209734721U CN209734721U CN201821964802.4U CN201821964802U CN209734721U CN 209734721 U CN209734721 U CN 209734721U CN 201821964802 U CN201821964802 U CN 201821964802U CN 209734721 U CN209734721 U CN 209734721U
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- China
- Prior art keywords
- fixedly connected
- push
- connector
- piston
- pull rod
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Abstract
The utility model discloses a special injector for local anesthesia, which belongs to the technical field of medical appliances and comprises an injector body, the surface of the syringe body is carved with scale lines, the left end of the syringe body is fixedly connected with a connector, the left end of the connector is provided with a needle head, the syringe body is connected with a piston in a sliding way, the right end of the piston is fixedly connected with a push-pull rod, one end of the push-pull rod, which is far away from the piston, is positioned outside the injector body, one end of the push-pull rod, which is far away from the injector body, is fixedly connected with a handle, the outer end of the push-pull rod is fixedly connected with two symmetrical sliding rods, the outer ends of the two sliding rods are both provided with limiting holes, the inside fixedly connected with threaded rod of syringe body, the threaded rod runs through spacing hole, can realize the effect of the injection speed of control syringe for anesthesia effect is better.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to special syringe of local anesthesia.
Background
From the medical point of view, anesthesia means that a patient loses the sense wholly or locally temporarily through a medicine or other methods to achieve the purpose of no pain, conditions are provided for operation treatment or other medical examination and treatment, the anesthesia can be roughly divided into general anesthesia and local anesthesia, the general anesthesia is a common 'sleeping state', patient consciousness disappears, general muscles are relaxed, pain can not be experienced, local anesthesia is performed only on certain parts of a body, and during small-scale local surgery, an anesthesia injector is usually required to be used for local anesthesia on the parts needing treatment to block the sensory nerve conduction function of the parts, and pain brought to the patient by the surgery is relieved.
In the prior art, most of anesthesia injections are needle injections, the injection speed is not easy to control when the anesthetic is injected, the injection speed has great influence on the anesthesia effect, and the speed is too high to cause discomfort of patients.
Disclosure of Invention
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a special syringe of local anesthesia, it can realize the effect of the injection speed of control syringe for anesthesia effect is better.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The special injector for local anesthesia comprises an injector body, scale marks are carved on the surface of the injector body, a connector is fixedly connected with the left end of the injector body, a needle head is installed at the left end of the connector, a piston is connected in the injector body in a sliding mode, a push-pull rod is fixedly connected with the right end of the piston, one end, far away from the piston, of the push-pull rod is located outside the injector body, a handle is fixedly connected with one end, far away from the injector body, of the push-pull rod, two symmetrical sliding rods are fixedly connected with the outer end of the push-pull rod, limiting holes are formed in the outer ends of the two sliding rods, a threaded rod is fixedly connected in the injector body and penetrates through the limiting holes, two compression springs are fixedly connected between one end, close to the piston, the effect of controlling the injection speed of the injector can be realized, so that the anesthesia effect is better.
Furthermore, one end of the handle, which is far away from the injector body, is fixedly connected with an elastic rope, and the injector is conveniently hung on a workbench frame after being used by the elastic rope.
Furthermore, a plurality of semicircular rubber balls which are uniformly distributed are fixedly connected to the upper outer end and the lower outer end of the push-pull rod, the semicircular rubber balls are located between the piston and the sliding rod, and in the process of injecting the medicament, the semicircular rubber balls can increase the friction force between the push-pull rod and the inner wall of the injector body, so that the injection speed is not too high easily.
Further, the one end that the connector was kept away from to the syringe needle is opened the chisel and is had a plurality of evenly distributed's play liquid hole, and the setting up in play liquid hole makes when the anesthesia, and the medicine can distribute evenly, and the speed of dosing accelerates, and patient can absorb sooner to reach better anesthesia effect.
Further, both ends all are equipped with the mount about the connector, be connected with locking screw between mount and the connector, two the mount is kept away from the equal fixedly connected with silica gel sucking disc of one end of connector for when patient was pricked into to the syringe needle, the silica gel sucking disc can adsorb at the health position, makes the injection more stable.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) The scheme can realize the effect of controlling the injection speed of the injector, so that the anesthesia effect is better.
(2) the one end fixedly connected with elasticity rope of syringe body is kept away from to the handle, and the setting up of elasticity rope makes the syringe conveniently hang on the workstation shelf after using.
(3) The upper end and the lower end of the push-pull rod are fixedly connected with a plurality of uniformly distributed semicircular rubber balls, the semicircular rubber balls are positioned between the piston and the sliding rod, and in the process of injecting the medicament, the semicircular rubber balls can increase the friction force between the push-pull rod and the inner wall of the injector body, so that the injection speed is not easy to be too high.
(4) The one end that the connector was kept away from to the syringe needle is opened the chisel and is had a plurality of evenly distributed's play liquid hole, and the setting in play liquid hole makes when the anesthesia, and the medicine can distribute evenly, and the speed of dosing is accelerated, and patient can absorb sooner to reach better anesthesia effect.
(5) Both ends all are equipped with the mount about the connector, are connected with locking screw between mount and the connector, and the equal fixedly connected with silica gel sucking disc of one end that the connector was kept away from to two mounts for when patient was pricked into to the syringe needle, silica gel sucking disc can adsorb at the health position, makes the injection more stable.
Drawings
Fig. 1 is a front schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the connecting head and the needle head of the present invention;
Figure 3 is a schematic diagram of the structure of the piston and push rod portion of the present invention.
The reference numbers in the figures illustrate:
The syringe comprises a needle 1, a connector 2, an injector body 3, a piston 4, a push-pull rod 5, a handle 6, a semicircular rubber ball 7, a compression spring 8, a threaded rod 9, a sliding rod 10, an elastic rope 11, a fixing frame 12, a silica gel sucker 13 and a locking screw 14.
Detailed Description
the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
Referring to fig. 1-3, a special injector for local anesthesia comprises an injector body 3, scale marks are carved on the surface of the injector body 3, a connector 2 is fixedly connected to the left end of the injector body 3, fixing frames 12 are respectively arranged at the upper end and the lower end of the connector 2, locking screws 14 are connected between the fixing frames 12 and the connector 2, and silica gel suckers 13 are respectively fixedly connected to the ends of the two fixing frames 12 far away from the connector 2, so that when a needle 1 is pricked into a patient, the silica gel suckers 13 can be adsorbed on the body part of the patient, so that the injection is more stable, the needle 1 is arranged at the left end of the connector 2, a plurality of liquid outlet holes which are uniformly distributed are chiseled at the end of the needle 1 far away from the connector 2, so that during anesthesia, drugs can be uniformly distributed, the administration speed is increased, the patient can, the right end of the piston 4 is fixedly connected with a push-pull rod 5, and one end of the push-pull rod 5, which is far away from the piston 4, is positioned outside the injector body 3.
The end of the push-pull rod 5 far away from the injector body 3 is fixedly connected with a handle 6, the end of the handle 6 far away from the injector body 3 is fixedly connected with an elastic rope 11, the elastic rope 11 is arranged to enable the injector to be conveniently hung on a workbench frame after use, the outer end of the push-pull rod 5 is fixedly connected with two symmetrical sliding rods 10, the outer ends of the two sliding rods 10 are both chiseled with limiting holes, the inside of the injector body 3 is fixedly connected with a threaded rod 9, the threaded rod 9 penetrates through the limiting holes, two compression springs 8 are fixedly connected between the end of the sliding rod 10 near the piston 4 and the injector body 3, the two compression springs 8 are respectively positioned at the outer side of the threaded rod 9, the upper and lower outer ends of the push-pull rod 5 are both fixedly connected with a plurality of uniformly distributed semicircular rubber balls 7, the semicircular rubber balls 7 are positioned between the piston 4 and the sliding rods 10, in the process of injecting medicament, the, so that the injection speed is not easy to be too fast.
Before the anesthetic is sucked, a user manually presses the handle 6 to enable the piston 4 to be positioned at the leftmost end of the injector body 3, the compression spring 8 is in a compressed state at the moment, when the anesthetic is sucked, the handle 6 is manually released, the piston 4 moves towards the opening direction of the injector body 3 under the action of the elastic force of the compression spring 8, the anesthetic is well sucked, then the user pricks the needle 1 into the body part of a patient, the handle 6 is manually pushed, the sliding rod 10 moves leftwards along with the push-pull rod 5, the compression spring 8 is compressed, partial resistance is provided for the push-pull rod 5 in the compression process of the compression spring 8, meanwhile, the arrangement of the semicircular rubber ball 7 also provides partial resistance for the push-pull rod 5, the injection speed is not too high, the discomfort of the patient is not easily caused, after the anesthetic is injected, the needle 1 is pulled out of the patient, then the handle 6 is released, under the action of the elastic force of, the piston 4 is restored to the original position, the piston 4 does not need to be pulled back manually, the effect of controlling the injection speed of the injector can be realized, and the anesthesia effect is better.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. Special syringe of local anesthesia, including syringe body (3), its characterized in that: the syringe body (3) surface is carved with the scale mark, syringe body (3) left end fixedly connected with connector (2), syringe needle (1) is installed to connector (2) left end, syringe body (3) inside sliding connection has piston (4), piston (4) right-hand member fixedly connected with push-and-pull rod (5), the one end that piston (4) were kept away from in push-and-pull rod (5) is located outside syringe body (3), the one end fixedly connected with handle (6) of syringe body (3) are kept away from in push-and-pull rod (5), sliding rod (10) of two symmetries of push-and-pull rod (5) outer end fixedly connected with, two limiting hole all is dug to sliding rod (10) outer end, syringe body (3) inside fixedly connected with threaded rod (9), threaded rod (9) run through limiting hole, two pressure holes of fixedly connected with between one end that sliding rod (10) are close to piston (4) and syringe body (3), sliding rod And the two compression springs (8) are respectively positioned on the outer sides of the threaded rods (9).
2. The special injector for local anesthesia of claim 1, wherein: one end of the handle (6) far away from the injector body (3) is fixedly connected with an elastic rope (11).
3. The special injector for local anesthesia of claim 1, wherein: the upper end and the lower end of the push-pull rod (5) are fixedly connected with a plurality of uniformly distributed semicircular rubber balls (7), and the semicircular rubber balls (7) are located between the piston (4) and the sliding rod (10).
4. The special injector for local anesthesia of claim 1, wherein: one end of the needle head (1) far away from the connector (2) is provided with a plurality of liquid outlet holes which are uniformly distributed.
5. the special injector for local anesthesia of claim 1, wherein: both ends all are equipped with mount (12) about connector (2), be connected with locking screw (14), two between mount (12) and connector (2) the equal fixedly connected with silica gel sucking disc (13) of one end that connector (2) were kept away from in mount (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964802.4U CN209734721U (en) | 2018-11-27 | 2018-11-27 | Special injector for local anesthesia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964802.4U CN209734721U (en) | 2018-11-27 | 2018-11-27 | Special injector for local anesthesia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209734721U true CN209734721U (en) | 2019-12-06 |
Family
ID=68702332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821964802.4U Expired - Fee Related CN209734721U (en) | 2018-11-27 | 2018-11-27 | Special injector for local anesthesia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209734721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743780A (en) * | 2020-06-16 | 2020-10-09 | 武汉大学中南医院 | Automatic metering and automatic exhausting food filling device |
| CN112546412A (en) * | 2020-12-22 | 2021-03-26 | 张家玉 | Repair equipment based on multi-functional layer oral cavity membrane body |
-
2018
- 2018-11-27 CN CN201821964802.4U patent/CN209734721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743780A (en) * | 2020-06-16 | 2020-10-09 | 武汉大学中南医院 | Automatic metering and automatic exhausting food filling device |
| CN112546412A (en) * | 2020-12-22 | 2021-03-26 | 张家玉 | Repair equipment based on multi-functional layer oral cavity membrane body |
| CN112546412B (en) * | 2020-12-22 | 2022-08-26 | 北京劲松望京口腔医院有限公司 | Repair equipment based on multi-functional layer oral cavity membrane body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20211127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |