CN213554687U

CN213554687U - Injection type anesthesia spray gun

Info

Publication number: CN213554687U
Application number: CN202021732979.9U
Authority: CN
Inventors: 曹超
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-29
Anticipated expiration: 2030-08-18

Abstract

The utility model provides an injection formula anesthesia spray gun belongs to medical instrument technical field, include: the injector comprises a hose and a nozzle, wherein two ends of the hose are detachably connected with a liquid outlet of the injector and a liquid inlet of the nozzle respectively, and the nozzle is provided with a plurality of spray holes. The utility model provides a pair of injection formula anesthesia spray gun through set up a plurality of orifice on the shower nozzle to enlarge spray regime, improve anesthesia efficiency and effect, in addition, the shower nozzle that stretches into in the oral cavity does not have sharp-pointed member, improves the security of patient when carrying out the anesthesia.

Description

Injection type anesthesia spray gun

Technical Field

The utility model belongs to the technical field of medical instrument, a spray gun, especially an injection formula anesthesia spray gun is related to.

Background

Anesthesia is an important link which is often required by doctors before treatment or operation, and can help patients to paralyze nerves and reduce pain in the treatment process. For example, local anesthesia is required before bronchoscopy or before local surgery such as oral cavity, nasal cavity, and pharyngeal portion, and local anesthesia is performed clinically by spraying, but the anesthetic in the atomized state is often not anesthetized in place.

Chinese patent (CN210785885U) discloses a department of anesthesia is with quick anesthesia syringe needle of local, which comprises a needle cylinder, push rod and syringe needle, the lower extreme of cylinder is provided with the output tube, the push rod slides and is provided with within the cylinder, the fixed piston that is provided with of lower extreme of push rod, the fixed pressing plate that is provided with in upper end of push rod, the fixed stopper that is provided with of side circumference quartering of push rod, the fixed first connecting seat that is provided with in syringe needle upper end, a plurality of micropores have been seted up to the lower extreme side of syringe needle, the card is gone up to first connecting seat and is connected with the syringe needle protective sheath, be provided with the pipe of intercommunication between first connecting seat and the output tube, the utility model discloses anesthetic can follow the pipe and carry the syringe needle, makes things convenient for the anesthesia of.

According to the anesthetic injection needle, although the plurality of micropores are formed in the side surface of the lower end of the needle head, the injection range is increased, the micropores are formed in the needle head, and are still in fine ray-shaped injection, so that the injection range is limited.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides an anesthetic spray gun which can increase the spray range and improve the safety when spraying anesthetic.

The purpose of the utility model can be realized by the following technical proposal: an injection anesthetic spray gun comprising: the injector comprises a hose and a nozzle, wherein two ends of the hose are detachably connected with a liquid outlet of the injector and a liquid inlet of the nozzle respectively, and the nozzle is provided with a plurality of spray holes.

In the injection type anesthetic spray gun, the plurality of spray holes are arranged on the same side of the spray head, or are arranged on the spray head in a divergent manner.

In the injection type anesthesia spray gun, one side of the spray head is in a plane arrangement, the other side of the spray head is in a curved surface arrangement, wherein the plurality of spray holes are all located on one side of the plane, or are all located on one side of the curved surface, or are both provided with the plane and the curved surface.

In the injection type anesthesia spray gun, two ends of the hose are respectively connected with the liquid outlet of the injector and the liquid inlet of the spray head in a nested manner, and are respectively locked with the liquid outlet of the injector and the liquid inlet of the spray head through the locking structures at the two ends of the hose in a threaded manner.

In the injection type anesthesia spray gun, the liquid outlet of the injector and the liquid inlet of the spray head are both arranged in a step shape, wherein the end with smaller diameter of the shaft holes in the step-shaped liquid outlet and the step-shaped liquid inlet is connected with the hose in a nested manner, and the end with larger diameter of the shaft holes in the step-shaped liquid outlet and the step-shaped liquid inlet is connected with the locking structure in a threaded manner.

In the injection type anesthesia spray gun, the locking structure comprises a fastening sleeve nested on the hose, wherein an annular retainer ring is arranged on the outer side wall of the hose along the axial direction of the hose.

In the injection type anesthesia spray gun, the annular retainer ring and the hose are integrally arranged.

In the injection type anesthesia spray gun, a plurality of convex points or a plurality of annular bulges are arranged on the surface of the fastening sleeve.

In the injection type anesthesia spray gun, the annular retainer ring is connected with the fastening sleeve through the elastic piece.

In the injection type anesthetic spray gun, the injector comprises a cavity tube for storing anesthetic, and a push rod nested in the cavity tube.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a pair of injection formula anesthesia spray gun through set up a plurality of orifice on the shower nozzle to enlarge spray regime, improve anesthesia efficiency and effect, in addition, the shower nozzle that stretches into in the oral cavity does not have sharp-pointed member, improves the security of patient when carrying out the anesthesia.

(2) The spray holes are arranged on the same side or in a divergent shape, so that the spray range of the anesthetic is further expanded, the omission of an anesthetic part is avoided, the pain degree of a patient in the operation is increased, and the reliability and the efficiency of the operation are improved.

(3) Through the nested mode, realize hose both ends respectively with syringe liquid outlet and shower nozzle inlet in advance be connected, through the locking structure, realize hose both ends respectively with the locking connection of syringe liquid outlet and shower nozzle inlet to improve the reliability of being connected between hose and syringe, the shower nozzle.

(4) The liquid outlet and the liquid inlet are arranged to be of a stepped structure, on one hand, nesting amount between the hose and the liquid outlet and the liquid inlet can be controlled, and on the other hand, when the hose and the liquid outlet and the liquid inlet are nested, the hose is formed through a step portion, and on the other hand, when the liquid outlet and the liquid inlet are screwed up through the locking structure, friction can not occur on the surface of the hose, so that breakage of the hose is caused, and the locking effect can be improved.

(5) The utility model discloses a locking structure, including the hose, the adapter sleeve is fixed on the hose, through the annular retaining ring on the hose, make the adapter sleeve nest all the time on the hose on the one hand, and can not drop from the hose and form independent part, improve the reliability that locking structure used, on the other hand, through annular retaining ring for the adapter sleeve forms spacing position when screwing up liquid outlet or inlet, avoids the adapter sleeve to rotate the excessive and take place smooth tooth phenomenon.

(6) Through setting up the elastic component, make the adapter sleeve be close to the tip department at the hose all the time on the one hand, can be more quick realize the threaded connection of adapter sleeve and liquid outlet, inlet, on the other hand sets up the degree of depth that liquid outlet, inlet were twisted on to the elastic component control adapter sleeve, avoids rotatory excessive and takes place smooth tooth phenomenon.

Drawings

Fig. 1 is a schematic structural view of an injection type anesthetic spray gun of the present invention.

Fig. 2 is a schematic structural diagram of a showerhead according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a hose according to a preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of the syringe according to a preferred embodiment of the present invention.

In the figure, 100, syringe; 110. a liquid outlet; 120. a lumen tube; 130. a push rod; 200. an ejector; 210. a hose; 220. a spray head; 221. a liquid inlet; 222. spraying a hole; 223. a plane; 224. a curved surface; 300. a locking structure; 310. fastening sleeves; 320. an annular retainer ring; 330. an elastic member.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the utility model provides an injection type anesthesia spray gun, which comprises: the injector 200 comprises a hose 210 and a spray head 220, wherein two ends of the hose 210 are detachably connected with a liquid outlet 110 of the injector 100 and a liquid inlet 221 of the spray head 220 respectively, and the spray head 220 is provided with a plurality of spray holes 222.

The utility model provides a pair of injection formula anesthesia spray gun through set up a plurality of orifice 222 on shower nozzle 220 to enlarge spray regime, improve anesthesia efficiency and effect, in addition, the shower nozzle 220 that stretches into in the oral cavity does not have sharp-pointed member, improves the security of patient when carrying out anesthesia.

Further preferably, a plurality of injection holes 222 are disposed on the same side of injection head 220, or are disposed divergently on injection head 220.

In this embodiment, the injection holes 222 are disposed on the same side or in a divergent manner, so as to further expand the injection range of the anesthetic, avoid the omission of the anesthetic region, increase the pain degree of the patient during the operation, and improve the reliability and efficiency of the operation.

It is further preferable that one side of the nozzle 220 is disposed in a plane 223, and the other side of the nozzle 220 is disposed in a curved surface 224, wherein the plurality of nozzles 222 are all located on one side of the plane 223, or all located on one side of the curved surface 224, or both the plane 223 and the curved surface 224.

Preferably, as shown in fig. 1 to 4, two ends of the flexible tube 210 are nested and connected with the liquid outlet 110 of the injector 100 and the liquid inlet 221 of the spray head 220, respectively, and are screw-locked with the liquid outlet 110 of the injector 100 and the liquid inlet 221 of the spray head 220, respectively, through the locking structures 300 at the two ends of the flexible tube 210.

Because anesthetic has certain impulsive force when from syringe 100 to sprayer 200, if between hose 210 and syringe 100, the connection between hose 210 and the shower nozzle 220 is insecure, can lead to adjacent emergence to break away from the phenomenon between the two, cause the waste of anesthetic on the one hand, on the other hand leads to patient's operation position can not realize all-round anesthesia, increase the misery in the operation, in addition, because the impulsive force of anesthetic, when making shower nozzle 220 and hose 210 break away from, have certain initial velocity, can strike patient's oral cavity position, cause the damage of oral cavity position. Therefore, in this embodiment, the two ends of the flexible tube 210 are respectively pre-connected to the liquid outlet 110 of the syringe 100 and the liquid inlet 221 of the nozzle 220 by means of a nesting manner, and the two ends of the flexible tube 210 are respectively connected to the liquid outlet 110 of the syringe 100 and the liquid inlet 221 of the nozzle 220 by means of the locking structure 300, so as to improve the reliability of the connection between the flexible tube 210 and the syringe 100 and the nozzle 220.

Further preferably, the liquid outlet 110 of the injector 100 and the liquid inlet 221 of the nozzle 220 are both arranged in a step shape, wherein the end of the shaft hole of the step-shaped liquid outlet 110 and the step-shaped liquid inlet 221 with a smaller diameter is connected with the hose 210 in a nested manner, and the end of the shaft hole of the step-shaped liquid outlet 110 and the step-shaped liquid inlet 221 with a larger diameter is connected with the locking structure 300 in a threaded manner.

In this embodiment, the liquid outlet 110 and the liquid inlet 221 are arranged in a stepped structure, so that on one hand, the nesting amount between the hose 210 and the liquid outlet 110 and the liquid inlet 221 can be controlled, and a limit portion when the hose 210 is nested with the liquid outlet 110 and the liquid inlet 221 is formed by the stepped portion, and on the other hand, when the locking structure 300 is screwed on the liquid outlet 110 and the liquid inlet 221, the hose 210 is not broken due to friction with the surface of the hose 210, and the locking effect can be improved.

Preferably, as shown in fig. 1 to 4, the locking structure 300 comprises a fastening sleeve 310 nested on the hose 210, wherein an annular retainer 320 is provided on an outer side wall of the hose 210 along an axial direction of the hose 210.

In this embodiment, through the annular retainer 320 on the hose 210, on one hand, the fastening sleeve 310 is always nested on the hose 210 and does not fall off from the hose 210 to form an independent component, so as to improve the reliability of the use of the locking structure 300, and on the other hand, through the annular retainer 320, the fastening sleeve 310 forms a limiting position when the liquid outlet 110 or the liquid inlet 221 is screwed on, so as to avoid the occurrence of the tooth slipping phenomenon due to excessive rotation of the fastening sleeve 310.

It is further preferred that the annular retainer 320 is integral with the hose 210.

Further preferably, a plurality of convex points are arranged on the surface of the fastening sleeve 310, or a plurality of annular protrusions are arranged on the surface of the fastening sleeve 310, so that the friction force between the surface of the fastening sleeve 310 and the skin surface of the fingers of the medical staff is increased in the using process of the fastening sleeve 310, and the fastening sleeve 310 is more convenient to mount and dismount.

Preferably, as shown in fig. 1 to 4, the annular retainer 320 is connected to the tightening sleeve 310 by an elastic member 330.

In this embodiment, through setting up elastic component 330, on the one hand make adapter sleeve 310 can be close to the tip department at hose 210 all the time, can be more quick realize adapter sleeve 310 and liquid outlet 110, inlet 221's threaded connection, on the other hand sets up elastic component 330 and controls the adapter sleeve 310 and screws up the degree of depth of liquid outlet 110, inlet 221, avoids rotating the excessive and take place the smooth tooth phenomenon.

Preferably, as shown in fig. 1-4, the injector 100 includes a lumen 120 for storing anesthetic, and a push rod 130 nested within the lumen 120.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An injection-type anesthetic spray gun, comprising: the injector comprises a hose and a nozzle, wherein two ends of the hose are detachably connected with a liquid outlet of the injector and a liquid inlet of the nozzle respectively, and the nozzle is provided with a plurality of spray holes.

2. The injection anesthetic spray gun of claim 1, wherein the plurality of spray orifices are disposed on a same side of the nozzle head or are disposed on the nozzle head in a divergent manner.

3. The injection anesthetic spray gun of claim 2, wherein one side of the nozzle head is a flat surface and the other side of the nozzle head is a curved surface, and wherein the plurality of nozzle holes are located on one side of the flat surface, or on one side of the curved surface, or on both the flat surface and the curved surface.

4. An injection type anesthesia spray gun of claim 1, wherein both ends of the flexible tube are respectively connected with the liquid outlet of the injector and the liquid inlet of the spray head in a nesting manner, and are respectively locked with the liquid outlet of the injector and the liquid inlet of the spray head in a threaded manner through locking structures at both ends of the flexible tube.

5. An injection type anesthesia spray gun according to claim 4, wherein the liquid outlet of the injector and the liquid inlet of the nozzle are both arranged in a stepped shape, wherein the end of the stepped liquid outlet and the stepped liquid inlet with the smaller diameter of the shaft hole is nested with the hose, and the end of the stepped liquid outlet and the stepped liquid inlet with the larger diameter of the shaft hole is in threaded connection with the locking structure.

6. An injection anaesthetic spray gun according to claim 4 wherein the locking means comprises a collar which nests over the hose and wherein an annular collar is provided on the outside wall of the hose in the direction of the axis of the hose.

7. An injection anaesthetic spray gun as claimed in claim 6 wherein the annular collar is integral with the hose.

8. An injection-type anaesthetic spray gun according to claim 6 wherein the surface of the adapter sleeve is provided with a plurality of raised points or a plurality of annular projections.

9. An injection anaesthetic spray gun as claimed in claim 6 wherein the annular retaining ring is connected to the adaptor sleeve by a resilient member.

10. An injectable anesthetic spray gun according to claim 1, characterized in that the injector comprises a lumen for storing anesthetic, and a push rod nested in the lumen.