CN219001698U - Medicine injector - Google Patents

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a medicine injector. The medicine injector comprises a pressure pump, a spray pipe and a spray head, wherein the inlet end of the spray pipe is connected with the pressure pump, and the outlet end of the spray pipe is provided with the spray head; the shower nozzle includes baffle, shutoff piece, elastic component and perforated plate, along the direction of the entry end of spray tube to the exit end of spray tube, baffle and perforated plate interval build in the spray tube, and the elastic component setting is close to one side of baffle at the perforated plate, and the shutoff piece setting is equipped with the through-hole on the baffle on the elastic component, and the shutoff piece can support the pressure baffle under the effect of elastic component to the shutoff through-hole. Under the combined action of the pressure pump, the plugging block and the porous plate, the atomization effect of the liquid medicine at the spray head is obvious, thereby relieving the stimulation to the patient. Moreover, each part of the spray head is positioned in the spray pipe so as to avoid the contact between the spray head and the air pipe when the spray head is pushed into the air pipe of a patient, thereby reducing the uncomfortable feeling of the patient and improving the operation convenience.

Description

Medicine injector

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a medicine injector.

Background

In clinical work, electronic bronchoscopy is a common examination means for examining diseases of the trachea and the lung, and because the sensitive nerves are densely distributed at the trachea and the bronchus, patients cannot cooperate with the electronic bronchoscopy due to the difficulty in the examination process, so that surface anesthesia under the guidance of a bronchofiberscope is required to be implemented for the patients, and medicines such as hemostasis and the like may be required to be used in the treatment process.

At present, a medicine spraying pipe is often used for spraying medicine into the body of a patient, the existing medicine spraying pipe comprises a spray pipe and a hand-press type air bag, and the medicine in the spray pipe can be extruded from one end of the spray pipe by manually pressing the hand-press type air bag, so that the medicine is conveyed. However, the liquid medicine output from the head of the spray tube is in the form of a water column, and has obvious stimulation to the inner wall of the organ of the patient, so that discomfort of the patient is easily caused.

Disclosure of Invention

The utility model aims to provide an injector which can atomize liquid medicine output by a spray pipe so as to reduce the stimulation to a patient.

To achieve the purpose, the utility model adopts the following technical scheme:

the medicine injector comprises a pressure pump, a spray pipe and a spray head, wherein the inlet end of the spray pipe is connected with the pressure pump, and the outlet end of the spray pipe is provided with the spray head;

the shower nozzle includes baffle, shutoff piece, elastic component and perforated plate, follows the entry end of spray tube to the direction of the exit end of spray tube, the baffle with the perforated plate interval is inlayed and is solid in the spray tube, the elastic component sets up the perforated plate is close to one side of baffle, the shutoff piece sets up on the elastic component, be equipped with the through-hole on the baffle, the shutoff piece can be in under the effect of elastic component support the pressure the baffle, in order to shutoff the through-hole.

Optionally, the through hole is a round hole, the plugging block is a sphere, and a part of the plugging block is embedded into the through hole.

Optionally, the diameter of the plugging block is greater than or equal to four fifths of the inner diameter of the nozzle.

Optionally, the sphere, the porous plate, and the baffle are all coaxial.

Optionally, the elastic component is a spring, one end of the spring is arranged on the porous plate, and the other end of the spring is fixedly connected with the blocking block.

Optionally, a limiting groove is formed in the porous plate, and one end of the elastic piece is arranged in the limiting groove.

Optionally, the pressure pump includes stock solution pipe and piston, the one end of stock solution pipe with the spray tube is connected, the piston is followed the other end of stock solution pipe inserts and locates the stock solution pipe.

Optionally, the piston is screwed with the liquid storage tube.

Optionally, the liquid storage pipe is in threaded connection with the spray pipe.

Optionally, the pressure pump further comprises a pressure gauge, and the pressure gauge is arranged on the liquid storage pipe.

The beneficial effects are that:

the medicine injector provided by the utility model is characterized in that a pressure pump is started, and the pressure pump pushes medicine liquid to flow to a spray head through a spray pipe; at the shower nozzle department, the liquid medicine promotes the shutoff piece, and the elastic component takes place to warp when the through-hole of shutoff piece opening baffle, and the liquid medicine flows through from the clearance between shutoff piece and the spray tube through the through-hole, spouts through the perforated plate again, realizes the output of liquid medicine. Under the combined action of the pressure pump, the plugging block and the porous plate, the atomization effect of the liquid medicine at the spray head is obvious, thereby relieving the stimulation to the patient. Moreover, each part of the spray head is positioned in the spray pipe so as to avoid the contact between the spray head and the air pipe when the spray head is pushed into the air pipe of a patient, thereby reducing the uncomfortable feeling of the patient and improving the operation convenience.

Drawings

FIG. 1 is a schematic view of a construction of an injector according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an injector according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a nozzle of the injector according to an embodiment of the present utility model.

In the figure:

1. a pressure pump; 11. a liquid storage tube; 12. a piston; 13. a pressure gauge;

2. a spray pipe;

3. a spray head; 31. a baffle; 311. a through hole; 32. a block; 33. an elastic member; 34. a porous plate; 341. and a limit groove.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1-2, the present embodiment provides an injector, which includes a pressure pump 1, a nozzle 2, and a nozzle 3, wherein an inlet end of the nozzle 2 is connected to the pressure pump 1, and an outlet end of the nozzle 2 is provided with the nozzle 3. In the embodiment, the spray pipe 2 is a plastic hose, so that the cost is low, the structure is soft, and the patient is prevented from being stabbed.

As shown in fig. 3, the spray head 3 includes a baffle 31, a blocking block 32, an elastic member 33 and a porous plate 34, along the direction from the inlet end of the spray pipe 2 to the outlet end of the spray pipe 2, the baffle 31 and the porous plate 34 are embedded in the spray pipe 2 at intervals, the elastic member 33 is disposed on one side of the porous plate 34 near the baffle 31, the blocking block 32 is disposed on the elastic member 33, a through hole 311 is disposed on the baffle 31, and the blocking block 32 can press the baffle 31 under the action of the elastic member 33 to block the through hole 311. In this embodiment, the porous plate 34 is uniformly provided with a plurality of micropores, and the micropores have small pore diameters, so that the atomization of the liquid medicine is facilitated. Optionally, the through hole 311 on the baffle 31 is a round hole, the blocking block 32 is a sphere, and a part of the blocking block 32 is embedded into the through hole 311, so that the relative positioning between the blocking block 32 and the baffle 31 is stable, and the blocking effect is good. In this embodiment, the baffle 31 and the porous plate 34 are both circular, the through hole 311 is formed in the center of the baffle 31, and the sphere, the porous plate 34 and the baffle 31 are coaxial.

The pressure pump 1 is started to push the liquid medicine in the spray pipe 2, so that the liquid medicine flows along the spray pipe 2 to the spray head 3, the liquid medicine impacts the baffle plate 31 and the blocking block 32, the blocking block 32 opens the through hole 311 under the pressure of the liquid medicine while partial atomization of the liquid medicine occurs, the liquid medicine and atomized liquid medicine continue to flow forwards from a gap between the blocking block 32 and the pipe wall of the spray pipe 2, the liquid medicine flowing forwards impacts the porous plate 34 again, further atomization is performed, and the liquid medicine flows out of the porous plate 34 and is conveyed into a patient. In summary, the medicine injector provided in this embodiment has obvious atomization effect of the medicine liquid at the spray head 3 under the combined action of the pressure pump 1, the baffle 31, the blocking block 32 and the porous plate 34, thereby reducing the stimulation to the patient. Moreover, each part of the spray head 3 is positioned in the spray pipe 2, so that the spray head 3 is prevented from contacting with the air pipe when being pushed into the air pipe of a patient, discomfort of the patient is reduced, and the operation convenience is improved.

Optionally, the diameter of the block 32 is greater than or equal to four fifths of the inner diameter of the spout 2. That is, the gap between the blocking block 32 and the nozzle 2 is smaller to reduce the caliber of the flow of the liquid medicine, so as to facilitate the improvement of the atomization effect of the liquid medicine.

In this embodiment, the elastic member 33 is a spring, one end of which is disposed on the porous plate 34, and the other end of which is fixedly connected to the blocking block 32. In order to make the spring limit and stabilize on the porous plate 34, a limit groove 341 is provided on the porous plate 34, and one end of the elastic member 33 is disposed in the limit groove 341. In this embodiment, one end of the spring is adhered to the bottom wall of the limit groove 341, and the other end is embedded in the blocking block 32.

In this embodiment, the pressure pump 1 includes a liquid storage tube 11 and a piston 12, one end of the liquid storage tube 11 is connected to the nozzle 2, and the piston 12 is inserted into the liquid storage tube 11 from the other end of the liquid storage tube 11. The piston 12 can squeeze the liquid medicine in the liquid storage pipe 11, so that the liquid medicine can flow to the spray head 3 rapidly under pressure.

In this embodiment, the piston 12 is screwed with the liquid reservoir 11. That is, the piston 12 is pushed by rotating the piston 12, which contributes to achieving a higher pressure of the chemical solution and improving the atomization effect of the chemical solution.

In this embodiment, the liquid storage tube 11 is in threaded connection with the spray tube 2, so that the liquid storage tube 11 is convenient to disassemble and assemble, liquid medicine is filled in the liquid storage tube 11, and the sealing performance is good.

Optionally, the pressure pump 1 further comprises a pressure gauge 13, the pressure gauge 13 being arranged on the liquid storage tube 11. The pressure gauge 13 is able to obtain the pressure of the liquid in the liquid reservoir 11 for reference by the healthcare worker when using the injector.

The embodiment provides a medicine injection device, the diameter of spray tube 2 is 1.8mm, and length is 700mm, and during the use, can send into the patient in advance with electron bronchoscope, then send to the patient in with spray tube 2 along electron bronchoscope in the front, avoid spray tube 2 to take place the winding in the patient. In this embodiment, the electronic bronchoscope is 2mm in diameter and 600mm in length.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The medicine injector is characterized by comprising a pressure pump (1), a spray pipe (2) and a spray head (3), wherein the inlet end of the spray pipe (2) is connected with the pressure pump (1), and the outlet end of the spray pipe (2) is provided with the spray head (3);

the shower nozzle (3) include baffle (31), shutoff piece (32), elastic component (33) and perforated plate (34), along the entry end of spray tube (2) to the direction of the exit end of spray tube (2), baffle (31) with perforated plate (34) interval is inlayed and is fixed in spray tube (2), elastic component (34) set up be close to one side of baffle (31) in perforated plate (34), shutoff piece (32) set up on elastic component (33), be equipped with through-hole (311) on baffle (31), shutoff piece (32) can support under the effect of elastic component (33) baffle (31) to shutoff through-hole (311).

2. The injector according to claim 1, characterized in that the through hole (311) is a circular hole, the block (32) is a sphere, and a part of the block (32) is embedded in the through hole (311).

3. The injector according to claim 2, characterized in that the diameter of the block (32) is greater than or equal to four fifths of the inner diameter of the nozzle (2).

4. The injector according to claim 2, characterized in that the sphere, the porous plate (34) and the baffle (31) are all coaxial.

5. The injector according to claim 1, characterized in that the elastic member (33) is a spring, one end of which is arranged on the porous plate (34) and the other end of which is fixedly connected with the blocking block (32).

6. The injector according to claim 5, characterized in that the porous plate (34) is provided with a limit groove (341), and one end of the elastic member (33) is disposed in the limit groove (341).

7. The injector according to any one of claims 1-6, characterized in that the pressure pump (1) comprises a reservoir (11) and a piston (12), one end of the reservoir (11) is connected to the nozzle (2), and the piston (12) is inserted into the reservoir (11) from the other end of the reservoir (11).

8. The injector according to claim 7, characterized in that the piston (12) is screwed with the reservoir tube (11).

9. The injector according to claim 7, characterized in that the reservoir tube (11) is screwed with the spout (2).

10. The injector according to claim 7, characterized in that the pressure pump (1) further comprises a pressure gauge (13), the pressure gauge (13) being arranged on the reservoir (11).

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