CN204601299U - Medicated powder releasing device - Google Patents

Abstract

This utility model provides a kind of medicated powder releasing device, at least comprise a housing, described housing is fastened by top shell and drain pan and forms, described enclosure interior is provided with described drug release band, described hull outside is provided with a mouthpiece for sucking-off medicated powder, described drug release device is also provided with one for discharging the sliding bar of medicated powder, described sliding bar to be turned in the rotating shaft that hole is fixed on drain pan by one and can around rotation, the opposed configuration and size that turn hole and rotating shaft improve by this utility model, thus avoid the accumulation of medicated powder between sliding bar and drain pan gap, the resistance to sliding decreasing sliding bar and the possibility blocked, improve the reliability of this drug release device.

Description

powder release device

technical field

The utility model relates to a medicine powder release device for a medicine release belt, in particular to a medicine powder release device which can be used for asthmatic inhaled powder medicine release belts.

Background technique

Allergic diseases such as asthma and rhinitis are often treated with inhaled drugs. For example, powder or granular drugs are placed in a drug bubble strip with a sandwich structure, and the drug powder release device sequentially delivers the drug bubbles to the interface. The drug bubble strip is pierced or uncovered, and then the drug is inhaled into the patient's mouth, nose or lungs through inhalation to achieve the purpose of treatment.

US 6792945 B2 discloses a drug powder release device of the above type, wherein the structure of the drug powder release device includes a housing, the housing is composed of a top shell and a bottom shell, and a drug release belt is arranged inside for sucking out the drug powder. The interface part is arranged on the outside of the casing, the sliding ring and rod body of the sliding rod are arranged inside the casing, the handle of the operating handle is exposed outside the casing, and the sliding rod is fixed to the rotating shaft of the bottom case in the casing through the rotating hole on the sliding ring. , and the handle of the sliding rod can be moved to turn it.

The drug powder release device in the above-mentioned prior art has a defect: when using the sliding bar to puncture or uncover the drug vesicle of the drug release belt, since it cannot be guaranteed that the patient can inhale all the wrapped drug powder, and the distribution area of the drug release belt is different from that of the sliding bar. The rotating holes are connected, so there will be residual drug powder left inside the shell, that is, it is mainly concentrated on the inner side of the bottom shell, near the gap between the sliding ring of the sliding rod and the bottom shell. The drug release device can be administered multiple times according to the number of drug bubbles and can be used repeatedly. Over time, excessive accumulation of residual drug powder will bring resistance to the operation, and even cause moisture absorption and agglomeration, making the inhaler unusable.

Utility model content

The technical problem to be solved by the utility model is to provide a drug powder release device to reduce or avoid the aforementioned problems.

In order to solve the above technical problems, the utility model proposes a drug powder release device for drug release belts, which at least includes a shell, the shell is formed by fastening the top shell and the bottom shell, and the inside of the shell is set With the drug release belt, an interface for sucking out the drug powder is provided on the outside of the housing, and the drug release device is also provided with a sliding rod for releasing the drug powder, and the sliding rod passes through the sliding ring on the The rotating hole is combined with the rotating shaft of the bottom shell and can rotate around it. The sliding ring has a certain thickness, so the rotating hole also has a certain height. The rotating shaft and the rotating hole match at the upper end, while the rotating hole at the lower end The size is larger than the shaft size. Here, the upper end is the end of the sliding ring finger away from the bottom case, and the lower end is the end of the sliding ring finger facing the bottom case. The meanings of the descriptions of other parts in the present invention are consistent with this.

Preferably, the rotating shaft of the bottom case is a cylindrical structure with a constant diameter, and the inner diameter of the upper end of the rotating hole of the sliding rod is smaller than the inner diameter of the lower end, that is, the rotating hole is a non-cylindrical structure with a larger opening at the lower end.

Preferably, the lower surface of the sliding ring of the sliding rod has a cavity near the rotating hole, and the cavity has no contact area with the bottom shell, that is, the sliding ring is an annular structure outside the cavity, and the annular structure is not limited to a circle ring.

The utility model improves the sliding rod of the above-mentioned medicine powder release device, so that the residual medicine powder is not easy to accumulate in the narrow gap between the sliding rod and the bottom shell, thereby greatly reducing the excessive resistance of the sliding rod caused by the accumulation of medicine powder, which is inconvenient to use, or even impossible possible operation.

Description of drawings

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in,

Figure 1 shows a schematic diagram of the internal structure of a drug powder release device according to a specific embodiment of the present invention;

Fig. 2 shows a schematic diagram of a sliding rod of a drug release device according to a specific embodiment of the present invention;

Fig. 3 is a schematic diagram showing the inner side of the bottom case of the drug release device according to a specific embodiment of the present invention.

detailed description

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is now described with reference to the accompanying drawings. Wherein, the same parts adopt the same reference numerals.

As shown in Figure 1, which shows a schematic diagram of the internal structure of a drug release device according to a specific embodiment of the present invention, the drug release device is a release device that can be used to release powder or granular drugs, In particular, a release device for inhaling powdered medicines for asthma. The basic principle of the drug powder release device shown in Figure 1 is similar to the prior art, and those skilled in the art can easily understand the installation and use principles of the drug release belt of the present invention through the prior art provided by the background technology, which will not be repeated here Let me repeat them one by one.

Referring to Fig. 1, the drug releasing device of the present utility model comprises at least one shell 4, and described shell 4 is formed by fastening of top shell 41 and bottom shell 42 (top shell 41 is omitted for showing clearly), and described shell The drug release belt 5 is arranged inside the body 4, an interface piece 1 for sucking out the drug powder is arranged on the outside of the casing 4, and a sliding rod 2 for releasing the drug powder is arranged on the drug releasing device, and the sliding The rod 2 is composed of a sliding ring 21, a rod body 22 and a handle 23, the sliding ring 21 and the rod body 22 are arranged inside the casing 4, the handle 23 is arranged outside the casing 4, and the sliding ring has a certain thickness.

Aiming at the defects of the prior art mentioned in the background technology section, the utility model proposes an improvement, see Fig. 2 and 3, specifically, the size of the rotating shaft 421 matches the size of the rotating hole 211 at the upper end, and at the lower end, the rotating shaft 421 The size of the hole 211 is set larger than that of the rotation shaft 421 .

It can be seen from the above that the residual drug powder in the drug release belt 5 of the present invention may enter the slit between the sliding rod 2 and the housing 4, especially the slit between the rotating hole 211 of the sliding rod 2 and the rotating shaft 421 of the bottom case 42 , by improving the relative size of the rotating hole 211 and the rotating shaft 421, the accumulation of powder in the slit can be effectively avoided.

Further, in a preferred embodiment, as shown in Fig. 2, the lower surface of the sliding rod is towards the lower surface of the bottom case. For the convenience of processing, the cylindrical structure of the rotating shaft 421 of the bottom case 42 can be kept unchanged, and only the rotating hole is changed. The size of 211 is enough, that is, the upper end size of the rotating hole 211 is set to match the rotating shaft 421, and the lower end size of the rotating hole 211 is set to be larger than the upper end size, so that the powder is not easy to be stuck in the gap and accumulate.

In another preferred embodiment, as shown in Figures 2 and 3, a groove structure is provided around the lower end of the rotating hole 211 of the sliding ring 21 of the sliding rod 2, so that a cavity is formed between the bottom shell 42 and the sliding ring 21, so that A larger space is provided to dredge the powder, and at the same time, the contact area between the sliding ring 21 and the bottom case 42 is reduced, thereby reducing the sliding resistance.

To sum up, the drug release device of the present utility model improves the sliding rod so that the residual drug powder is not easy to gather in the narrow gap between the sliding rod and the bottom case, thereby greatly reducing the inconvenience of using the excessive resistance of the sliding rod caused by the accumulation of the drug powder. , or even the possibility of inoperability. At the same time, even if the drug powder factor is excluded, a certain amount of friction is reduced by reducing the contact area between the sliding rod and the bottom case.

Those skilled in the art should understand that although the present invention is described in terms of multiple embodiments, not each embodiment only includes an independent technical solution. Such narration in the description is only for the sake of clarity, and those skilled in the art should understand the description as a whole, and understand the technical solutions involved in each embodiment as a way that can be combined into different embodiments to understand the present invention. A new type of protection.

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes, modifications and combinations made by those skilled in the art without departing from the concept and principle of the present utility model shall fall within the scope of protection of the present utility model.

Claims (3)

1. The utility model provides a powder release that supplies medicine release area to use, includes a casing (4) at least, casing (4) are formed by epitheca (41) and drain pan (42) lock, casing (4) inside is provided with medicine release area (5), the casing (4) outside is provided with an interface spare (1) that is used for the suction powder, medicine release still is provided with a slide bar (2) that is used for releasing powder, slide bar (2) divide into slip ring (21), body of rod (22) and handle (23) triplex, slip ring (21) and body of rod (22) set up in casing (4) inboard, handle (23) set up in the casing (4) outside, there is a commentaries on classics hole (211) on slip ring (21), drain pan (42) inboard has a pivot (421), commentaries on classics hole (211) cover on classics on the pivot (421) of drain pan (42), the novel multifunctional rotating pan is characterized in that the size of the rotating hole (211) is larger than that of the rotating shaft (421) at one end of the rotating shaft (421) and one end of the rotating hole (211) close to the bottom shell (42).

2. The drug powder releasing device according to claim 1, wherein the rotation shaft (421) of the bottom case (42) is a cylindrical structure, the rotation hole (211) of the slide lever (2) is a cylindrical structure having a varying diameter, and the diameter of the section near one end of the bottom case (42) is larger than that of the section near the other end.

3. The powder discharge apparatus as claimed in claim 1, wherein a cavity (212) is further formed around an end of the rotary hole (211) of the slide ring (21) adjacent to the bottom case (42).