Laryngeal anesthesia spraying equipment for anesthesiology department

Abstract

The utility model discloses laryngeal anesthesia spraying equipment for the anesthesia department, and relates to the technical field of medical instruments, the laryngeal anesthesia spraying equipment comprises a liquid storage bottle used for storing anesthetics, the bottle opening end of the liquid storage bottle is spirally connected with a sealing cover, an infusion tube of an L-shaped structure is arranged at the center end of the sealing cover in a penetrating mode, and when the sealing cover is connected with the liquid storage bottle, the infusion tube is connected with the sealing cover. One end of the infusion tube extends to the bottom of the liquid storage bottle but is not in contact with the bottle bottom, and the other end of the infusion tube is provided with an atomizing nozzle; a piston is slidably arranged in the air conveying cylinder and connected with a pushing mechanism driving the piston to reciprocate in the air conveying cylinder, an air cavity is defined by the piston and the cylinder wall of the air conveying cylinder, an air inlet is formed in one side of the air cavity, a one-way valve limited to air inlet is arranged between the air inlet and the air cavity, and an exhaust pipe is arranged on the other side of the air cavity. A one-way valve limited to exhaust is arranged between the exhaust pipe and the air cavity, and the exhaust pipe penetrates through the sealing cover and extends to the top in the liquid storage bottle; a graduated scale is arranged on the gas transmission cylinder and used for measuring the moving distance of the piston.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a laryngeal anesthesia spray device for anesthesiology. Background Art

[0002] Throat spray is widely used in throat surgery and endoscopic examinations. It is mainly used for mucosal surface anesthesia to ensure that patients with sensitive throat reflexes can cooperate and complete the examination. The tongue depressor should not press the root of the tongue, and the sprayer head should avoid touching the pharyngeal wall to avoid nausea and vomiting. The sprayer head should be wiped and disinfected with ethanol before and after use. When using spray anesthetics, patients should be informed not to swallow them to avoid poisoning. They should not eat or rinse their mouths immediately after spraying.

[0003] In the prior art, although patent documents with announcement numbers CN213252144U and CN209019697U both disclose laryngeal anesthesia sprayers, the air pressure of these two sprayers is regulated by air bags. Therefore, for different patients, when different doses of anesthetics are required, the air bags cannot accurately adjust their air intake, thereby affecting the anesthesia effect. Utility Model Content

[0004] The purpose of the utility model is to provide a laryngeal anesthesia spray device for anesthesiology to solve the following technical problems:

[0005] The air pressure of existing nebulizers is regulated by air bags. Therefore, when different doses of anesthetics are required for different patients, the air bags cannot accurately regulate their air intake, thereby affecting the anesthetic effect.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A laryngeal anesthesia spray device for anesthesia department, comprising a liquid storage bottle for storing anesthesia agent, the bottle mouth end of the liquid storage bottle is spirally connected with a sealing cover, an L-shaped infusion tube is arranged through the center end of the sealing cover, when the sealing cover is connected to the liquid storage bottle, one end of the infusion tube extends to the bottom of the liquid storage bottle but does not contact the bottom of the bottle, and the other end of the infusion tube is provided with an atomizing nozzle;

[0008] It also includes a gas cylinder, in which a piston is slidably arranged, the piston is connected to a driving mechanism that drives the piston to reciprocate in the gas cylinder, the piston and the wall of the gas cylinder enclose an air cavity, wherein an air inlet is arranged on one side of the air cavity, a one-way valve limited to air intake is arranged between the air inlet and the air cavity, an exhaust pipe is arranged on the other side of the air cavity, a one-way valve limited to air exhaust is arranged between the exhaust pipe and the air cavity, and the exhaust pipe passes through a sealing cover and extends to the top of the liquid storage bottle;

[0009] A scale is provided on the gas cylinder to measure the moving distance of the piston.

[0010] Preferably, the pushing mechanism includes a push rod fixedly connected to the piston, the push rod extends to the outside of the gas cylinder, and its end is fixed to the push plate, wherein a driving ring is provided on the sliding sleeve of the gas cylinder, and the bottom of the driving ring is fixed to the first gripping part.

[0011] Preferably, a positioning ring is also fixedly arranged on the gas delivery cylinder, the scale is fixed on the positioning ring, and a second gripping portion is provided at the bottom of the positioning ring.

[0012] Preferably, a positioning seat is fixedly arranged at the bottom of the second gripping part, a limiting rod is fixedly arranged on the positioning seat toward the direction of the first gripping part, a movable seat fixed to the first gripping part is slidably sleeved on the limiting rod, wherein a return spring is sleeved on the limit rod, one end of the return spring is fixed to the positioning seat, and the other end is fixed to the movable seat.

[0013] Preferably, a collar is fixedly arranged at the end of the limiting rod, the liquid storage bottle is sleeved in the collar, and a plurality of groups of positioning screws are spirally arranged around the collar.

[0014] Beneficial effects of the utility model:

[0015] (1) When the anesthesia device of the utility model is used, the anesthetic agent is first stored in a liquid storage bottle, and then the liquid storage bottle is connected to a sealing cap, and the infusion tube is extended into the patient's mouth so that the atomizing nozzle is directly facing the patient's throat. Then, the piston is driven to reciprocate in the gas cylinder by a pushing mechanism, and the external gas is sucked into the gas cylinder and then discharged into the liquid storage bottle through an exhaust pipe, and the liquid storage bottle is pressurized. Finally, under the action of pressure, the anesthetic agent in the liquid storage bottle is transported to the atomizing nozzle through the infusion tube. In this process, the movement distance of the piston can be measured by a set scale. The movement distance of the piston corresponds to the output amount of the anesthetic agent, thereby realizing quantitative control of the agent, which is suitable for anesthetizing different patients.

[0016] (2) When fixing the liquid storage bottle, the utility model first rotates the positioning screw to move in a direction away from the center of the ring. After the liquid storage bottle is inserted into the ring, the positioning screw is rotated to reset the liquid storage bottle to improve the stability of the liquid storage bottle and the ring during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of a laryngeal anesthesia spray device for anesthesiology. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a laryngeal anesthesia spray device for anesthesiology. Figure 2 ;

[0020] Figure 3The utility model is a structural schematic diagram of a liquid storage bottle in a laryngeal anesthesia spray device for anesthesiology.

[0021] In the figure: 1, liquid storage bottle; 2, gas cylinder; 3, sealing cover; 4, driving ring; 101, collar; 102, positioning screw; 201, positioning ring; 202, second gripping part; 203, first gripping part; 204, groove; 205, positioning seat; 206, return spring; 207, movable seat; 208, limit rod; 301, infusion tube; 302, atomizing nozzle; 401, scale; 402, guide rod; 403, push plate; 404, push rod; 405, exhaust pipe; 406, air inlet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-Figure 2 As shown, the utility model is a laryngeal anesthesia spray device for anesthesiology, comprising a liquid storage bottle 1 for storing anesthetic agents, the bottle mouth end of the liquid storage bottle 1 is spirally connected to the sealing cover 3, wherein the central end of the sealing cover 3 is penetrated by an infusion tube 301 in an L-shaped structure, when the sealing cover 3 is connected to the liquid storage bottle 1, one end of the infusion tube 301 extends to the bottom of the liquid storage bottle 1 but does not contact the bottom of the bottle, and the other end of the infusion tube 301 is provided with an atomizing nozzle 302; in one implementation of the present embodiment, the liquid storage bottle 1 is made of a transparent plastic material, and a scale line for measuring the anesthetic agent is provided on its surface. When the anesthetic agent needs to be added to the liquid storage bottle 1, the liquid storage bottle 1 is screwed to separate from the sealing cover 3, and then the anesthetic agent is added to the liquid storage bottle 1;

[0025] It also includes a gas cylinder 2, in which a piston is slidably arranged, the piston is connected to a driving mechanism that drives it to reciprocate in the gas cylinder 2, and the piston and the wall of the gas cylinder 2 are enclosed to form an air cavity, wherein an air inlet 406 is arranged on one side of the air cavity, a one-way valve limited to air intake is arranged between the air inlet 406 and the air cavity, an exhaust pipe 405 is arranged on the other side of the air cavity, a one-way valve limited to exhaust is arranged between the exhaust pipe 405 and the air cavity, and the exhaust pipe 405 passes through the sealing cover 3 and extends to the top of the liquid storage bottle 1; specifically, in this embodiment, the exhaust pipe 405 is a metal pipe, so that the sealing cover 3 can be fixed;

[0026] In addition, a purifier may be embedded at the air inlet 406 to filter and purify the air entering the air cavity;

[0027] The gas delivery cylinder 2 is provided with a scale 401 for measuring the moving distance of the piston;

[0028] It can be explained that when the anesthesia device is in use, the anesthetic agent is first stored in the liquid storage bottle 1, and then the liquid storage bottle 1 is connected to the sealing cover 3, and the infusion tube 301 is extended into the patient's mouth so that the atomizing nozzle 302 is facing the patient's throat, and then the piston is driven to reciprocate in the gas cylinder 2 by the pushing mechanism, and the external gas is drawn into the gas cylinder 2 and then discharged into the liquid storage bottle 1 through the exhaust pipe 405, and the liquid storage bottle 1 is pressurized. Finally, under the action of pressure, the anesthetic in the liquid storage bottle 1 is delivered to the atomizing nozzle 302 through the infusion tube 301. In this process, the movement distance of the piston can be measured by the set scale 401. The movement distance of the piston corresponds to the output of the anesthetic agent, thereby realizing quantitative control of the agent, which is suitable for anesthetizing different patients.

[0029] Example 2

[0030] Based on Example 1, please refer to Figure 3 The pushing mechanism includes a push rod 404 fixedly connected to the piston, the push rod 404 extends to the outside of the gas cylinder 2, and its end is fixed to the push plate 403, wherein a driving ring 4 is slidingly sleeved on the gas cylinder 2, and the bottom of the driving ring 4 is fixed to the first gripping portion 203; it can be explained that the medical staff can pull the driving ring 4 to slide on the gas cylinder 2 through the first gripping portion 203, and the driving ring 4 drives the piston to reciprocate in the gas cylinder 2 through the push plate 403 and the push rod 404 during the movement, so as to realize the operation of air intake and air delivery.

[0031] As a further solution of this embodiment, guide rods 402 are symmetrically fixedly arranged on both sides of the driving ring 4, and the ends of the guide rods 402 are fixed to the push plate 403; it can be explained that by setting two groups of guide rods 402 between the push plate 403 and the driving ring 4, the stability of the driving ring 4 and the push plate 403 is further improved.

[0032] In this embodiment, four groups of grooves 204 for embedding the operator's fingers are formed on the side of the first gripping portion 203 facing the sealing cover 3; it can be explained that when pulling the first gripping portion 203, the medical staff can embed their fingers in the grooves 204 and pull it, which has higher stability.

[0033] A positioning ring 201 is also fixed on the gas cylinder 2, and a scale 401 is fixed on the positioning ring 201. A second gripping portion 202 is provided at the bottom of the positioning ring 201. In this embodiment, medical staff can tap their thumbs against the outer end surface of the second gripping portion 202, and embed the other four fingers into the grooves 204, which makes it more convenient to pull the first gripping portion 203.

[0034] A positioning seat 205 is fixedly arranged at the bottom of the second gripping portion 202, and a limiting rod 208 is fixedly arranged on the positioning seat 205 toward the direction of the first gripping portion 203. A movable seat 207 fixed to the first gripping portion 203 is slidably sleeved on the limiting rod 208, wherein a reset spring 206 is sleeved on the limiting rod 208, one end of the reset spring 206 is fixed to the positioning seat 205, and the other end is fixed to the movable seat 207; it can be explained that when the medical staff pulls the first gripping portion 203 to move toward the second gripping portion 202, the movable seat 207 simultaneously compresses the reset spring 206 to generate elastic force, and when the patient releases the first gripping portion 203, the reset spring 206 can drive the first gripping portion 203 to reset.

[0035] Example 3

[0036] On the basis of Example 2, a ring 101 is fixedly arranged at the end of the limiting rod 208, the liquid storage bottle 1 is sleeved in the ring 101, and several groups of positioning screws 102 are spirally arranged around the ring 101; it can be explained that when fixing the liquid storage bottle 1, the positioning screw 102 is first screwed to move in a direction away from the center of the ring, and after the liquid storage bottle 1 is inserted into the ring 101, the positioning screw 102 is screwed to reset to achieve the positioning of the liquid storage bottle 1, so as to improve the stability of the liquid storage bottle 1 and the ring 101 during installation.

[0037] The working principle of the utility model is as follows: first, the anesthetic agent is stored in the liquid storage bottle 1, and then the liquid storage bottle 1 is connected to the sealing cover 3, and the infusion tube 301 is extended into the patient's mouth, so that the atomizing nozzle 302 is facing the patient's throat, and then the piston is driven to reciprocate in the gas cylinder 2 by the pushing mechanism, and the external gas is sucked into the gas cylinder 2 and then discharged into the liquid storage bottle 1 through the exhaust pipe 405, and the liquid storage bottle 1 is pressurized. Finally, under the action of pressure, the anesthetic in the liquid storage bottle 1 is delivered to the atomizing nozzle 302 through the infusion tube 301.

[0038] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A laryngeal anesthesia spray device for anesthesiology, comprising a liquid storage bottle (1) for storing an anesthetic agent, wherein the bottle mouth end of the liquid storage bottle (1) is screwed to a sealing cap (3), characterized in that: An L-shaped infusion tube (301) is arranged through the central end of the sealing cover (3); when the sealing cover (3) is connected to the liquid storage bottle (1), one end of the infusion tube (301) extends to the bottom of the liquid storage bottle (1) but does not contact the bottom of the bottle, and the other end of the infusion tube (301) is provided with an atomizing nozzle (302); It also includes a gas cylinder (2), in which a piston is slidably arranged, the piston is connected to a driving mechanism that drives the piston to reciprocate in the gas cylinder (2), and the piston and the wall of the gas cylinder (2) enclose an air cavity, wherein an air inlet (406) is arranged on one side of the air cavity, a one-way valve limited to air intake is arranged between the air inlet (406) and the air cavity, an exhaust pipe (405) is arranged on the other side of the air cavity, a one-way valve limited to exhaust is arranged between the exhaust pipe (405) and the air cavity, and the exhaust pipe (405) passes through the sealing cover (3) and extends to the top of the liquid storage bottle (1); The gas delivery cylinder (2) is provided with a scale (401) for measuring the moving distance of the piston.

2. A laryngeal anesthesia spray device for anesthesiology according to claim 1, characterized in that: The pushing mechanism comprises a push rod (404) fixedly connected to the piston, the push rod (404) extending to the outside of the gas cylinder (2), and the end of the push rod (404) being fixed to the push plate (403), wherein a driving ring (4) is provided on the sliding sleeve of the gas cylinder (2), and the bottom of the driving ring (4) is fixed to the first gripping portion (203).

3. A laryngeal anesthesia spray device for anesthesiology according to claim 2, characterized in that: A positioning ring (201) is also fixedly arranged on the gas delivery cylinder (2), a scale (401) is fixed on the positioning ring (201), and a second gripping portion (202) is provided at the bottom of the positioning ring (201).

4. A laryngeal anesthesia spray device for anesthesiology according to claim 3, characterized in that: A positioning seat (205) is fixedly arranged at the bottom of the second gripping portion (202), a limiting rod (208) is fixedly arranged on the positioning seat (205) in the direction of the first gripping portion (203), a movable seat (207) fixed to the first gripping portion (203) is slidably sleeved on the limiting rod (208), wherein a return spring (206) is sleeved on the limiting rod (208), one end of the return spring (206) is fixed to the positioning seat (205), and the other end is fixed to the movable seat (207).

5. A laryngeal anesthesia spray device for anesthesiology according to claim 4, characterized in that: A sleeve ring (101) is fixedly arranged at the end of the limiting rod (208), the liquid storage bottle (1) is sleeved in the sleeve ring (101), and a plurality of groups of positioning screws (102) are spirally arranged around the sleeve ring (101).

Images