CN218474788U - Medicine injection appliance for otolaryngological nursing - Google Patents

Abstract

The utility model discloses a medicine injection tool for otolaryngology department nursing, which comprises a tool main body and a limiting component, wherein the tool main body comprises an injection tube, a piston rod, a handle and an injection tube, one end of the injection tube is an open end, the other end of the injection tube is integrally provided with a cylindrical connector, the piston is movably arranged in the injection tube, one end of the piston rod movably extends into the injection tube and is fixedly connected with the piston, the handle is fixedly arranged at the other end of the piston rod, the handle is positioned outside the injection tube, and one end of the injection tube is inserted into the cylindrical connector; the limiting assembly comprises a limiting ring, a cylindrical locking seat and a locking ring. The utility model provides a medicine injection apparatus is used in otolaryngology branch of academic or vocational study nursing, the accessible is adjusted the position control injection tube of spacing ring on the injection tube and can be inserted the inside degree of depth of duct to make this otolaryngology branch of academic or vocational study nursing inject with the medicine and can be applicable to different patients, it is more convenient to use.

Description

Drug injection device for ENT care

technical field

The utility model relates to the technical field of medical devices, in particular to a drug injection device for ENT care.

Background technique

"Otorhinolaryngology" is the surgical discipline that diagnoses and treats the ear, nose, pharynx, larynx, and related head and neck regions. With the advancement and development of science and technology, various medical disciplines have penetrated and promoted each other, expanding the scope of otolaryngology, ear microsurgery, ear neurosurgery, lateral skull base surgery, audiology and balance science, nasal endoscopic surgery, nasal surgery, etc. The emergence of neurosurgery (nose and skull base surgery), head and neck surgery, throat microsurgery, department of voice and speech diseases, and pediatric otolaryngology has greatly enriched the content of otolaryngology.

The current drug injection device for ENT care also has the following defects in use: due to the different depths of each person's ear canal, it is necessary to use drug injection devices of different specifications to inject drugs into the patient's ear canal, resulting in troublesome use .

Utility model content

The purpose of this utility model is to provide a medicine injecting device for ENT care, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A drug injection device for ENT care, comprising:

The main body of the appliance, the main body of the appliance includes a syringe, a piston, a piston rod, a handle and an injection tube, one end of the syringe is an open end, and the other end of the syringe is integrally provided with a cylindrical connector, the The piston is movably installed inside the syringe, one end of the piston rod movably extends into the interior of the syringe and is fixedly connected with the piston, the handle is fixedly installed at the other end of the piston rod, and the The handle is located outside the syringe, and one end of the injection tube is plugged into the cylindrical connector;

A limit assembly, the limit assembly includes a limit ring, a cylindrical locking seat and a locking ring, the limit ring is movably sleeved on the injection pipe, and the cylindrical locking seat is integrally arranged on the The limiting ring faces one end of the syringe, and a gap is reserved on the side wall of the cylindrical locking seat, and the locking ring is screwed on the cylindrical locking seat .

In the aforementioned medicament injection tool for ENT care, wherein: the tool body further includes a handle, and the handle is fixedly mounted on the opening end of the syringe.

In the above-mentioned medicine injecting device for otolaryngology care, wherein: the piston is also integrally provided with a rib plate, and the outer edge of the rib plate is attached to the inner wall of the injection barrel.

In the aforementioned ENT care medicine injector, wherein: the connection between the cylindrical connector and the syringe is integrally provided with an annular resisting seat.

The above-mentioned medicine injecting device for ENT care, wherein: the outer surface of the cylindrical connector is integrally provided with several annular protruding rings arranged equidistantly.

In the aforementioned medicament injection device for ENT care, wherein: the syringe is a transparent syringe, and a volume scale line is provided on the outer surface of the syringe.

The above-mentioned medicine injection device for ENT care, wherein: the outer surface of the injection tube is provided with a length scale line, and the end of the injection tube away from the cylindrical connector is an arc end, and the circle The arc end is provided with a drug outlet hole communicating with the inside of the injection tube.

The above-mentioned medicine injection device for ENT care, wherein: the limiting assembly further includes a silicone protective pad, and the silicone protective pad is fixedly installed on one end of the limiting ring facing away from the cylindrical locking seat department.

In the above-mentioned medicine injection device for ENT care, wherein: the outer surface of the locking ring is provided with anti-slip lines, and the cylindrical locking seat is arranged coaxially with the limiting ring.

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

The medicine injection device for ENT care provided by the utility model is mainly composed of a device main body and a limiting component, and the depth at which the injection tube can be inserted into the ear canal can be controlled by adjusting the position of the limiting ring on the injection tube, so that the ear, nose and throat The drug injection for throat care can be applied to different patients and is more convenient to use.

Description of drawings

Fig. 1 is the structural representation of the medicament injecting device for otolaryngology nursing of the present utility model;

Fig. 2 is the schematic diagram of the enlarged structure of place A in Fig. 1;

Fig. 3 is a schematic cross-sectional structure diagram of the appliance main body of the present invention;

Fig. 4 is a schematic diagram of the exploded structure of the ENT care medicine injector of the present invention;

Fig. 5 is the schematic diagram of the enlarged structure at B in Fig. 4;

Fig. 6 is a partial structural schematic diagram of the injection pipe of the present invention.

In the picture:

1. Appliance main body; 101. Injection barrel; 102. Piston; 103. Piston rod; 104. Handle; 105. Handle; 106. Rib plate; 107. Cylindrical connector; convex ring; 110, injection pipe; 111, drug outlet hole;

2. Limiting component; 201, limiting ring; 202, cylindrical locking seat; 203, locking ring; 204, notch; 205, silicone protective pad.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-6, the utility model embodiment provides the following technical solutions:

A drug injection device for ENT care, comprising: a device body 1 and a limiting component 2 .

Wherein, the appliance main body 1 includes a syringe 101, a piston 102, a piston rod 103, a handle 104 and an injection tube 110, one end of the syringe 101 is an open end, and the other end of the syringe 101 is integrally provided with a cylindrical connector 107, The piston 102 is movably installed inside the syringe 101, one end of the piston rod 103 movably extends into the interior of the syringe 101 and is fixedly connected with the piston 102, and the handle 104 is fixedly installed on the other end of the piston rod 103, and the handle 104 is located in the syringe 101. One end of the injection pipe 110 is plugged into the cylindrical connector 107;

Wherein, the limiting assembly 2 includes a limiting ring 201, a cylindrical locking seat 202 and a locking ring 203. The limiting ring 201 is movably fitted on the injection pipe 110, and the cylindrical locking seat 202 is integrally arranged on the limiting ring. 201 faces one end of the syringe 101 , and a notch 204 is reserved on the side wall of the cylindrical locking seat 202 , and the locking ring 203 is screwed on the cylindrical locking seat 202 .

A drug injection device for ENT care using the above technical solution is mainly composed of a device body 1 and a stopper assembly 2, wherein the device body 1 is mainly composed of a syringe 101, a piston 102, a piston rod 103, a handle 104 and an injection tube 110, the limit assembly 2 is mainly composed of a limit ring 201, a cylindrical locking seat 202 and a lock ring 203. When in use, hold the syringe 101 with one hand, and hold the handle 104 with the other hand to pull the piston 102. The medicine is sucked into the inside of the syringe 101, and then the injection tube 110 is installed on the cylindrical connector 107, and the depth of the ear canal is detected by an ear canal detector, and then the limit ring 201 is adjusted on the injection tube according to the detected ear canal depth. 110, the specific operation is: loosen the locking ring 203 to adjust the position of the limit ring 201 on the injection tube 110, push the piston 102 to press the drug inside the syringe 101 into the injection tube 110, and press the drug inside the injection tube 110 The air is exhausted, and then the end of the injection tube 110 away from the cylindrical connector 107 is inserted into the patient's ear canal to inject the medicine into the patient's ear canal.

By adjusting the position of the limit ring 201 on the injection tube 110, the depth at which the end of the injection tube 110 away from the cylindrical connector 107 can be inserted into the patient's ear canal can be limited, so that the ENT care drug injection can be applied to different patients. patients, it is more convenient to use.

Specifically, in order to make the operation of the syringe 101 more convenient, in this embodiment: the appliance main body 1 further includes a handle 105, which is fixedly installed on the opening end of the syringe 101, so that the syringe 101 can be operated through the handle 105.

Specifically, in order to improve the stability when the piston 102 moves, in this embodiment: the piston 102 is also integrally provided with a reinforcing rib plate 106, and the outer edge of the reinforcing rib plate 106 is attached to the inner side wall of the injection cylinder 101. The reinforced rib plate 106 can not only improve the stability when the piston 102 moves, but also increase the structural stability of the appliance main body 1 .

Specifically, in order to enable the injection tube 110 to be stably plugged into the cylindrical connector 107, in this embodiment: the connection between the cylindrical connector 107 and the syringe 101 is integrally provided with an annular resisting seat 108, and the annular The resisting seat 108 has a reaction force to the injection tube 110 inserted into the cylindrical connector 107 , so that the injection tube 110 can be stably inserted into the cylindrical connector 107 .

Specifically, in order to prevent the injection tube 110 from falling off from the cylindrical connector 107, in this embodiment: the outer surface of the cylindrical connector 107 is integrally provided with a number of equidistant annular collars 109, the annular collars 109 can increase the force between the cylindrical connector 107 and the injection tube 110 .

Specifically, in order to facilitate the control of the amount of medicine injected into the ear canal, in this embodiment: the syringe 101 is a transparent syringe, and the outer surface of the syringe 101 is provided with a volume scale line, which is convenient to control according to the volume scale line. The amount of medicine injected into the ear canal.

Specifically, in order to conveniently control the depth of the injection tube 110 inserted into the ear canal, in this embodiment: the outer surface of the injection tube 110 is provided with a length scale line, which is convenient for adjusting the limit ring 201 on the injection tube 110 according to the length scale line. In order to prevent the end of the injection tube 110 away from the cylindrical connector 107 from stabbing the patient's ear canal, in this embodiment, the end of the injection tube 110 away from the cylindrical connector 107 is an arc end, and the arc The end is provided with a drug outlet hole 111 communicating with the inside of the injection tube 110 .

Specifically, in order to improve the comfort of the limiting ring 201, in this embodiment: the limiting component 2 also includes a silicone protective pad 205, and the silicone protective pad 205 is fixedly installed on the limiting ring 201 facing away from the cylindrical locking seat 202 The silicone protective pad 205 can improve the comfort of the limiting ring 201.

Specifically, in order to improve the anti-slip performance of the outer surface of the locking ring 203, in this embodiment: the outer surface of the locking ring 203 is provided with anti-slip lines, in order to improve the stability of the cylindrical locking seat 202, in this embodiment In one example, the cylindrical locking seat 202 and the limiting ring 201 are arranged coaxially.

Working principle: when using the drug injection tool for ENT care, hold the syringe 101 with one hand and the handle 104 with the other hand to pull the piston 102 to draw the drug into the syringe 101, and then install the injection tube 110 On the cylindrical connector 107, use an ear canal tester to detect the depth of the ear canal, and then adjust the position of the limit ring 201 on the injection tube 110 according to the detected ear canal depth. The specific operation is: loosen the locking ring 203 Adjust the position of the limit ring 201 on the injection tube 110, push the piston 102 to press the drug inside the syringe 101 into the injection tube 110, discharge the air inside the injection tube 110, and then move the injection tube 110 away from the cylindrical connector One end of 107 is inserted into the patient's ear canal to inject medicine into the patient's ear canal.

The parts not involved in the utility model are all the same as the prior art or can be realized by adopting the prior art. Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A drug injection device for ENT care, characterized in that it comprises: Appliance body (1), the appliance body (1) includes a syringe (101), a piston (102), a piston rod (103), a handle (104), an injection tube (110) and a handle (105), the injection One end of the cylinder (101) is an open end, and the other end of the injection cylinder (101) is integrally provided with a cylindrical connector (107), and the piston (102) is movably installed on the side of the injection cylinder (101). Inside, one end of the piston rod (103) movably extends into the interior of the syringe (101) and is fixedly connected with the piston (102), and the handle (104) is fixedly mounted on the piston rod (103) the other end, and the handle (104) is located outside the syringe (101), one end of the injection tube (110) is plugged into the cylindrical connector (107), and the handle ( 105) fixedly installed on the opening end of the injection barrel (101); The limit assembly (2), the limit assembly (2) includes a limit ring (201), a cylindrical locking seat (202) and a lock ring (203), the limit ring (201) is movable On the injection tube (110), the cylindrical locking seat (202) is integrally arranged at one end of the stop ring (201) facing the injection cylinder (101), and the cylinder A notch (204) is reserved on the side wall of the shape locking seat (202), and the locking ring (203) is screwed on the cylindrical locking seat (202). 2. The medicine injection device for ENT care according to claim 1, characterized in that: the piston (102) is also integrally provided with a reinforcing rib plate (106), and the outer side of the reinforcing rib plate (106) The edge is arranged in close contact with the inner side wall of the syringe (101). 3. The medicine injection device for ENT care according to claim 2, characterized in that: the junction of the cylindrical connector (107) and the injection barrel (101) is integrally provided with an annular resisting seat ( 108). 4. The ENT nursing drug injection device according to claim 3, characterized in that: the outer surface of the cylindrical connector (107) is integrally provided with a plurality of equidistantly arranged annular collars (109) . 5. The drug injection device for ENT care according to claim 1, characterized in that: the syringe (101) is a transparent syringe, and the outer surface of the syringe (101) is provided with a capacity scale Wire. 6. The medicine injection device for ENT care according to claim 1, characterized in that: the outer surface of the injection tube (110) is provided with a length scale line, and the injection tube (110) is far away from the One end of the cylindrical connector (107) is an arc end, and the arc end is provided with a drug outlet hole (111) communicating with the inside of the injection pipe (110). 7. The medicine injection device for ENT care according to claim 1, characterized in that: the limiting assembly (2) also includes a silicone protective pad (205), and the silicone protective pad (205) is fixedly installed on The limit ring (201) faces away from one end of the cylindrical locking seat (202). 8. The medicine injection device for ENT care according to claim 7, characterized in that: the outer surface of the locking ring (203) is provided with anti-slip lines, and the cylindrical locking seat (202) Set coaxially with the limiting ring (201).

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