A portable single-shot ejection drug delivery device

Abstract

The present invention proposes a portable single-click ejection drug delivery device. An ejection mechanism is connected inside the base, and the drug storage is compressed in the storage shell by the drug storage spring; after the switch ring is installed outside the base, the downward push button is pulled to eject the drug storage out of the storage shell and deliver the emergency medicine to the mouth; a through hole is provided at the tail of the base for carrying and hanging. The ejection mechanism is a cylindrical shell, the outer wall is provided with a threaded sleeve connected to the base, the inner wall is provided with a concave cavity and a through hole, the limit groove of the drug storage is assembled in the concave cavity, and the drug storage spring is penetrated in the through hole; the outer wall is provided with a rectangular groove axially, and a trigger is fixedly connected by a pin shaft, and a serrated part is provided at the outer end of the trigger to cooperate with the limit groove to control the drug storage, and the inner end of the trigger is pressed down by a switch spring, and is controlled by button contact, and the trigger swings with the pin shaft as a fulcrum. The present invention adopts an ejection mechanism to control the ejection and retraction of the drug storage, so as to solve the problem that patients can take emergency medicines independently in emergency situations. It is suitable for use as a drug delivery device.

Description

Technical Field

[0001] The invention relates to a drug dispenser, in particular to a drug dispenser capable of being independently operated by one hand for emergency medicines. Background Art

[0002] At present, emergency solid medicines usually adopt a sealed medicine bottle and a bottle cap locking structure. When taking medicine, one hand holds the bottle and the other hand screws the cap. The two hands cooperate with each other to open the bottle cap and pour out the medicine. If both hands are not flexible, one hand cannot open the bottle cap, and taking out the emergency medicine delays precious emergency time; at the same time, the poured medicine cannot be measured, and the medicine cannot be taken accurately according to the doctor's instructions to achieve perfect efficacy; and the storage position of the medicine bottle is not fixed, and it is impossible to respond to sudden situations for emergency treatment. If a situation such as a heart attack occurs and requires immediate medication, the patient is often unable to take the medicine in time because the storage position of the medicine is not fixed, or the medicine is too far away from the onset of the disease. In severe cases, the patient's life is in danger. Summary of the invention

[0003] In order to solve the problem of carrying emergency medicines with you, saving yourself instantly in an emergency, and taking medicines with one hand even if no one is around to save the life of the carrier, the present invention provides a portable single-shot ejection drug dispenser. The drug dispenser ejects a certain amount of medicines in the medicine bin through a trigger through an ejection mechanism and directly delivers them to the mouth. The medicine bin is smartly connected to the base and is provided with a through hole for passing a rope, which is convenient to carry with you, solving the technical problem of taking emergency medicines in an emergency.

[0004] The solution adopted by the present invention to solve the technical problem is:

[0005] An ejection mechanism is connected inside the base, and the medicine bin is compressed in the bin shell by the medicine bin spring; a switch ring is mounted outside the base, and the downward button is pulled backward to eject the medicine bin out of the bin shell and deliver the emergency medicine to the mouth; a through hole is provided at the rear of the base for carrying and hanging.

[0006] Preferably, the chamber shell is cylindrical, with a retaining ring for limiting the medicine chamber at one inner end and an internal threaded connection base at the other end, and the medicine chamber is assembled in the middle cavity.

[0007] Preferably, the medicine bin is a stepped cylindrical shaft, with two stepped shoulders at one end connected by a dividing strip, and a cavity in the middle forming a medicine groove for storing medicines. A sealing groove is provided on the stepped shoulder and a sealing ring is embedded in it to form a closed space for the medicine bin; a limiting groove and an axle rod are provided at the other end, and the axle rod is mounted with a medicine bin spring compressed in the inner cavity of the base, and the limiting groove is connected to the ejection mechanism and controls the ejection and retraction of the medicine bin.

[0008] Preferably, the ejection mechanism is a cylindrical shell, the outer wall of which is provided with a threaded sleeve connected to the base, the inner wall of which is provided with a concave cavity and a through hole, the limit groove of the medicine chamber is assembled in the concave cavity, and the medicine chamber spring passes through the through hole; a rectangular groove is axially provided on the outer wall, and a trigger is fixedly connected thereto through a pin shaft, a serrated portion is provided on the outer end of the trigger, which cooperates with the limit groove to control the medicine chamber, a switch spring is pressed down on the inner end of the trigger, and is controlled by button contact, and the trigger swings with the pin shaft as a fulcrum.

[0009] Preferably, the base is a cylindrical cavity, one end of which is provided with an external thread for locking with the magazine shell, and the other end is provided with a through hole for hanging; the inner cavity is provided with an internal thread connected to the ejection mechanism, and the bottom of the inner cavity is radially provided with a through hole for the button to pass through.

[0010] Preferably, the switch ring is a conical circular sleeve installed on the base, with the outer conical surface of one end pressing against the end surface of the magazine shell for limiting, and the inner conical surface of the other end pressing down the button to control the swing of the trigger, so that the medicine magazine is ejected out of the magazine shell.

[0011] Positive effect: since the present invention adopts an ejection mechanism to control the ejection and retraction of the medicine bin, the ejection medicine bin delivers the emergency medicine to the patient's mouth, solving the problem of the patient taking the emergency medicine independently in an emergency, and saving the patient's life. When the medicine bin is delivered to the mouth, hold the base with one hand, hold the switch ring and pull it back, press the button, so that the trigger releases the limit groove, and the medicine bin spring ejects the medicine bin and delivers it to the mouth, so that the medicine is taken instantly. The operation is simple, safe and reliable. The base is tied with a rope for easy carrying, and it is convenient to carry with you for the use of emergency medicine. It is suitable for use as a drug delivery device for taking emergency medicine in emergency situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention;

[0013] Figure 2 It is a front cross-sectional view of the present invention;

[0014] Figure 3 A top view of the present invention;

[0015] Figure 4 for Figure 2 Middle AA section view;

[0016] Figure 5 This is a top view of the ejection mechanism.

[0017] In the figure, 1. housing, 1.1. retaining ring, 1.2. internal thread, 2. base, 2.1. through hole, 2.2. external thread, 3. medicine chamber, 3.1. dividing strip, 3.2. medicine groove, 3.3. limiting groove, 4. ejection mechanism, 4.1. threaded sleeve, 4.2. concave cavity, 4.3. rectangular groove, 5. trigger, 6. pin shaft, 7. button, 8. switch spring, 9. medicine chamber spring, 10. switch collar, DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Although the embodiments of the present invention have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention.

[0019] As shown in the figure, an ejection mechanism 4 is connected inside the base 2, and the medicine bin 3 is compressed inside the bin shell 1 through the medicine bin spring 9; a switch ring 10 is sheathed outside the base 2 to pull the push button 7 backwards, so that the medicine bin 3 is ejected out of the bin shell 1 and the emergency medicine is delivered to the mouth; a through hole 2.1 is provided at the rear of the base 2 for carrying and hanging.

[0020] The chamber shell 1 is cylindrical, with a retaining ring 1.1 for limiting the medicine chamber at one end of the inner side and an internal thread 1.2 for connecting to the base 2 at the other end, and a medicine chamber 3 is assembled in the middle cavity.

[0021] The medicine bin 3 is a stepped cylindrical shaft, with two stepped shoulders at one end connected by a dividing strip 3.1, and a cavity in the middle forming a medicine groove 3.2 for storing medicines. A sealing groove is provided on the stepped shoulder and a sealing ring is embedded in the stepped shoulder to form a closed space for the medicine bin 3; a limiting groove 3.3 and an axle rod are provided at the other end, and the axle rod is provided with a medicine bin spring 9 compressed in the inner cavity of the base 2, and the limiting groove 3.3 is connected to the ejection mechanism 4 and controls the ejection and retraction of the medicine bin 3.

[0022] The ejection mechanism 4 is a cylindrical shell, the outer wall of which is provided with a threaded sleeve 4.1 connected to the base 2, the inner wall of which is provided with a concave cavity 4.2 and a through hole, the limit groove 3.3 of the medicine chamber 3 is assembled in the concave cavity 4.2, and a medicine chamber spring passes through the through hole; a rectangular groove 4.3 is axially provided on the outer wall, and a trigger 5 is fixedly connected through a pin shaft 6, a serrated portion is provided at the outer end of the trigger 5, and cooperates with the limit groove 3.3 to control the medicine chamber 3, a switch spring 8 is pressed down at the inner end of the trigger 5, and is contact-controlled by a button 7, and the trigger 5 swings with the pin shaft 6 as a fulcrum.

[0023] The base 2 is a cylindrical cavity, one end of which is provided with an external thread 2.2 to lock with the magazine shell 1, and the other end is provided with a through hole for hanging; the inner cavity is provided with an internal thread to connect with the ejection mechanism 4, and the bottom of the inner cavity is radially provided with a through hole for the button 7 to pass through.

[0024] The switch ring 10 is a conical circular sleeve installed on the base 2, with an outer conical surface at one end pressing against the end surface of the magazine shell 1 for limiting, and an inner conical surface at the other end pressing down the button 7 to control the swing of the trigger 5, so that the medicine magazine 3 is ejected out of the magazine shell.

[0025] Working principle of the present invention:

[0026] The trigger assembled in the rectangular groove uses the pin shaft as the fulcrum. The switch ring slides and presses the button to form the swing of the serrated part at the other end of the trigger. The trigger controls the limit groove, the medicine chamber spring is compressed, and the medicine chamber retracts into the chamber shell; when the button is pressed down, the trigger releases the limit groove, the medicine chamber spring is stretched, and the medicine chamber pops out of the chamber shell.

[0027] Working process of the present invention:

[0028] Charge:

[0029] First, hold the base 2 with one hand, hold the switch ring 10 tightly and pull it backwards, press the button 7, the trigger 5 releases the limit groove 3.3, and the medicine chamber spring 9 pops out the medicine chamber 3; secondly, fill the required emergency medicine in the medicine groove 3.2, reset the switch ring 10 to pop up the button 7, squeeze the medicine chamber 3, the trigger 5 controls the limit groove 3.3, and the medicine chamber spring 9 compresses the medicine chamber 3 into the chamber shell 1 for emergency use.

[0030] Medicine delivery:

[0031] First, put the medicine chamber 3 into the mouth; then, hold the base 2 with one hand, hold the switch ring 10 and pull it backwards, press the button 7, so that the trigger 5 releases the limit groove 3.3, and the medicine chamber spring 9 pops out the medicine chamber 3 and puts it into the mouth for instant medication.

[0032] Features of the present invention:

[0033] Since the medicine chamber is compressed in the base by the medicine chamber spring and the trigger controls the limit groove, when the trigger is released, the medicine chamber is ready to fire and ejected, quickly delivering the medicine in the medicine chamber to the patient's mouth.

[0034] Since the conical surface of one end of the switch collar presses against the magazine shell and the other end presses down on the button, when the switch collar is moved by one hand, the trigger is pressed down to release the limit groove and pop out the medicine magazine, which is convenient to use. Normally, the switch collar protects the button from being touched, the trigger controls the limit groove, and the medicine magazine retracts into the magazine shell, which is safe and reliable.

[0035] Since a sealing groove and a sealing ring are embedded on the stepped shaft shoulder of the medicine bin to form a closed space for the medicine bin, the medicine bin can provide sealed protection for the emergency medicines to avoid moisture or oxidation, thereby ensuring the quality of the medicines.

[0036] Since the medicine trough is formed by the stepped shaft shoulder and the dividing strip, the volume of the medicine can be set as needed, so the medicine trough can hold emergency medicines once, ensuring the amount of emergency medicines to be taken at one time.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable single-shot ejection drug delivery device, characterized in that: An ejection mechanism (4) is connected inside the base (2), and the medicine bin (3) is compressed inside the bin shell (1) through a medicine bin spring (9); a switch ring (10) is sleeved outside the base (2), and a push button (7) is pulled backwards, so that the medicine bin (3) is ejected out of the bin shell (1), and the emergency medicine is delivered to the mouth; a through hole (2.1) is provided at the rear of the base (2) for carrying and hanging; The medicine bin (3) is a stepped cylindrical shaft, with two stepped shoulders at one end connected by a dividing strip (3.1), a cavity in the middle forming a medicine slot (3.2) for storing medicine, and a sealing groove inlaid with a sealing ring on the stepped shoulder to form a closed space for the medicine bin (3); a limiting groove (3.3) and a shaft rod are provided at the other end, and the shaft rod is sleeved with a medicine bin spring (9) compressed in the inner cavity of the base (2), and the limiting groove (3.3) is connected to the ejection mechanism (4) and controls the ejection and retraction of the medicine bin (3); The switch collar (10) is a conical circular sleeve mounted on the base (2), with an outer conical surface at one end pressing against the end surface of the magazine shell (1) for limiting, and an inner conical surface at the other end pressing down a button to control the swing of the trigger (5), thereby causing the medicine magazine (3) to eject out of the magazine shell (1); The ejection mechanism (4) is a cylindrical shell, the outer wall of which is provided with a threaded sleeve (4.1) connected to the base (2), the inner wall of which is provided with a concave cavity (4.2) and a through hole, the limiting groove (3.3) of the medicine chamber (3) is assembled in the concave cavity, and a medicine chamber spring passes through the through hole; the outer wall is axially provided with a rectangular groove (4.3), and a trigger (5) is fixedly connected via a pin shaft (6); the outer end of the trigger (5) is provided with a serration portion that cooperates with the limiting groove (3.3) to control the medicine chamber (3); the inner end of the trigger (5) is pressed down with a switch spring (8) and is controlled by button contact, and the trigger (5) swings with the pin shaft (6) as a fulcrum.

2. A portable single-shot ejection drug delivery device according to claim 1, characterized in that: The chamber shell (1) is cylindrical, with a retaining ring (1.1) for limiting the medicine chamber at one inner end and an internal thread (1.2) for connecting to the base (2) at the other end, and a medicine chamber (3) mounted in the middle cavity.

3. A portable single-shot ejection drug delivery device according to claim 1, characterized in that: The base (2) is a cylindrical cavity, one end of which is provided with an external thread (2.2) for locking with the housing (1), and the other end of which is provided with a through hole (2.1) for hanging; the inner cavity is provided with an internal thread for connecting with the ejection mechanism (4), and the bottom of the inner cavity is provided with a through hole radially for the button to pass through.

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