Ventilator adapter and auxiliary part thereof

Present invention is related to a ventilator adapter and auxiliary chamber thereof. The ventilator adapter of the present invention comprises a T-shaped flow guiding adapter and an auxiliary chamber detachably connected thereto. The T-shaped flow guiding adapter contains a guiding valve that can retractably close or open its opening. The auxiliary chamber is a cylindrical hollow tubing with open ends at both sides, and a chamber partition extended into the interior of the auxiliary chamber, separating the chamber at least partially into two chambers. The present invention is able to be adapted with the conventional ventilator pipeline by using the T-shaped flow guiding adapter for connecting any suitable ventilatory medicine with the auxiliary cavity. When the ventilatory medicine is administrated, the present invention is able to guide the gas flow within the ventilator pipeline reaching into the space of the auxiliary cavity and carrying the ventilatory medicine toward the patient successfully with high amount of medicine doses for better treatment result.

FIELD OF THE INVENTION

The present invention is related to an adapter, more particularly, an adapter applicable to a ventilator.

BACKGROUND OF THE INVENTION

Respimat is a common clinical aerosol device that contains mainly long-acting bronchodilators and is administered in the form of an aerosol spray, it also is necessary to disconnect and reconnect the ventilator circuit at least two times before and after spraying.

As shown in HG.6, to administer a spray solution60, such as Respimat, a ventilator circuit61has to be disconnected and connected to a T-shaped tubing62, which is a three-way tubing with a left opening621and a right opening622extending parallel to both sides of the T shape, and a vertical lower opening623. Both ends of the disconnected ventilator circuit61are connected back to the left opening621and the right opening622, the lower opening.623is connected with an adapter63which is adaptable to the spray solution60opening. For example, an airflow64traveling from the left to the right direction (as arrow direction in the drawing), when the medication agent contains in the spray solution60is pressed out, the airflow64will be carried along with the agent to the patient direction, to achieve the effect of ventilator administration.

However, the problem faced in actual clinical practice is that during the process of disconnecting the ventilator and reconnecting it, the moisture splashing out from the ventilator may carry infectious germs which could increase the risk of infection to the healthcare workers. Meanwhile, the ventilator circuit is exposed to the air and cannot be kept airtight, which could escalate the risk of infection to the patients. At the same time, if there is a gap at the top of the spray solution60as shown inFIG.6, it will be easy to connect the spray solution60improperly due to the insufficient length or improper shape of the adapter63, resulting in the leakage of the medication.

On the other hand, repeated administration causes the ventilator that has to be disconnected and connected several times, which may cause the ventilator circuit unable to maintain a seal-tightening or cause insufficient air delivery pressure, causing the dilated alveoli to collapse and to dilate again, resulting in a Shear Force Injury (SFI) and secondary damage to the alveoli.

Furthermore, since the medication agent needs to pass the adapter63through the spraying force of the device itself to reach the left opening621and the right opening622of the T-shaped tubing62before the airflow64can be carried to the direction of the patient smoothly, the actual situation is that most of the agent remains only in the adapter63and cannot be applied to the patient with an effective dose.

Even though there are conventional adapters that are suitable for the specific medication of Respimat, such as the ventilator adapter RTC 26-C on the market. However, the air tightness of this adapter is still underperformed. There still has a small airflow leaking every time when the cover is opened to receive the spray, which increases the chance of leakage of infectious germs. On the other hand, the RTC 26-C has a smaller tubing space, so the Respimat spray agent cannot be spread properly after spraying out, which reduces the absorption effect of the medication. In addition, the RTC 26-C ventilator adapter can only be used with a single Respimat spray agent, which is also relatively limited in clinical application.

Hence, it is eager to have a solution that will overcome or substantially ameliorate at least one or more of the deficiencies of a prior art, or to at least provide an alternative solution to the problems.

SUMMARY OF THE INVENTION

In order to reduce the risks to healthcare workers and patients arising from the necessity to repeatedly disconnect the ventilator during medication administration and unable to maintain a clean or airtight environment, the present invention, therefore, provides a ventilator adapter or also called a ventilator inhalation adapter that can solve the aforementioned problems.

The ventilator adapter described in the present invention comprises: a T-shaped flow guiding adapter and an auxiliary chamber detachably connected with the T-shaped flow guiding adapter, wherein: the T-shaped flow guiding adapter contains a T-shaped adapter and a guiding valve; the T-shaped adapter is a hollow tubing and contains a first opening and a second opening extending parallel to the left and right and mutually communicable with air to each other, and a third opening disposed in the vertical direction between the first opening and the second opening. The third opening at the junction between the first opening and the second opening has a tapered neck and an auxiliary chamber receiving part, the inner diameter of the auxiliary chamber receiving part is slightly larger than the size of the tapered neck, and the third opening is adapted to the guiding valve which can retractably open or close the third opening. The auxiliary chamber is a cylindrical hollow tubing and is open at both ends to receive the diverter valve fitting opening and a spraying agent fitting opening, and a chamber partition extended from the diverter valve fitting opening of the auxiliary chamber into the interior of the tubing to separate at least a portion of the interior of the auxiliary chamber into two chambers.

The present invention also provides the auxiliary chamber in the aforementioned ventilator adapter, which is a cylindrical hollow tubing and is open at both ends to receive the flow guiding valve fitting opening and a spraying agent fitting opening, and a chamber partition extended from the flow guiding valve fitting opening into the interior of the tubing to separate at least a portion of the interior of the auxiliary chamber into two chambers.

By the above description, it can be seen that the present invention has the following beneficial effects and advantages:

1. The present invention is designed with a male and female structure, using a short adapter with a flow guiding valve connected to the ventilator circuit, and then connected to another medication-inhaling auxiliary chamber when the medication is to be administered. Through the design of an air flow channel formed by the combination of the guiding valve and the spacer and the chamber partition, the air flow in the T-shaped adapter can be completely taken to the agent spraying position and be completely or almost completely carried it to the patient for inhalation to achieve a better effect of medication administration. At the same time, the design of the auxiliary chamber allows the spray agent to be appropriately spread within the chamber, which could increase the effectiveness of medication absorption, and the ventilator adapter provided by the present invention can be widely applied to various sprays, including but not limited to Respimat, MDI or SVN. When the dosing is completed, only need to disassemble the spray tank with the auxiliary chamber from the guiding valve, and a rebound mechanism will return a blocking piece of the guiding valve to its original position and close the third opening on a communicable state outwardly, and return the ventilator circuit to its original normal use state.

2. Thus, the present invention can significantly reduce the risk of infections to healthcare workers due to the splashing of moisture from the ventilator during disconnection and reconnection, which may carry infectious germs and increase the risk of infection to the patient because the tubing is exposed to air and cannot remain airtight. Also, because the airflow is successfully directed to the medication delivery end, the medication agent can be delivered completely or almost completely to the patient.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts. It is not intended to limit the method by the exemplary embodiments described herein. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to attain a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. As used in the description herein and throughout the claims that follow, the meaning of “a”, “an”, and “the” may include reference to the plural unless the context clearly dictates otherwise. Also, as used in the description herein and throughout the claims that follow, the terms “comprise or comprising”, “include or including”, “have or having”, “contain or containing” and the like are to be understood to be open-ended, i.e., to mean including but not limited to.

Referring toFIG.1, the present invention provides a ventilator adapter10comprising a T-shaped flow guiding adapter11and an auxiliary chamber12detachably connected to the T-shaped flow guiding adapter11.

First Preferred Embodiment

Referring toFIG.2, a first preferred embodiment of the T-shaped flow guiding adapter11comprises a T-shaped adapter111and a guiding valve113.

The T-shaped adapter111is a hollow tubing and contains a first opening1111and a second opening1112extending vertically to the left and right, and a third opening1113disposed in the vertical direction between the first opening1111and the second opening1112. The first opening1111, the second opening1112, and the third opening1113are mutually communicable with air flow to each other.

A tapered neck11131and an auxiliary chamber receiving part11132are provided at the junction of the third opening1113where the first and second openings meet, the inner diameter of the auxiliary chamber receiving part11132is slightly larger than the tapered neck11131, and the third opening1113is adapted to the guiding valve113, which contains a blocking piece1131, a resisting part1133, a connecting part1132connected between the blocking piece1131and the resisting part1133, and a stopper ring1134sheathed on the outside of the connecting part1132. As shown in HG.2, the blocking piece1131is sized to fit the junction opening among the third opening1113, the first opening1111, and the second opening1112, preferably, the connecting part1132contains a rebound mechanism11321and a spacer11322, the rebound mechanism11321could be a spring, for example, which can make the guiding valve113rebounds to its original position, and the spacer11322is in the form of a flat plate, which can temporarily separate the channel between the first opening1111and the second opening1112. In this embodiment, the stopper ring1134is provided on the outside of the connecting part1132, and its diameter is slightly smaller than the inner diameter of the third opening1113, and included a ring part11341and a stopper piece11342which extends vertically upward from the top of the ring part11341, and preferably has a suitable shape that is adapted to the connecting part1132. When the ring part11341is placed on the outside of the blocking piece1131, the stopper piece11342will be precisely attached to the side of the connecting part1132. The rebound mechanism11321is provided within the ring part11341and is pushed against and limited to the stopper piece11342within the ring part11341and can be compressed and released therein.

In this preferred embodiment, the resisting part1133is a disc-shaped perforated body that is also suitable for the tubular channel of the third opening1113. The resisting part1133, when the guiding valve113extends to the first and second openings1111and1112, can be held against the junction of the tapered neck11131and the auxiliary chamber receiving part11132to achieve the function of limiting and at the same time can compress the rebound mechanism11321.

As also shown inFIG.2, the T-shaped adapter111can be further configured with a fourth opening1114between the first opening1111and the second opening1112which has a suitable connector for a Metered-dose Inhaler (MDI).

Second Preferred Embodiment

Referring toFIG.3, the second preferred embodiment of the T-shaped adapter111of the present invention is basically the same as the first preferred embodiment described above, but the difference is that this second embodiment does not include a stopper ring1134that is disposed on the outside of the blocking piece113and a resisting rod11331is further extended from the middle of the resisting part1133to the outside of the third opening1113, and the end of the resisting rod11331is bifurcated.

Third Preferred Embodiment

The third preferred embodiment of the T-shaped adapter111of the present invention is basically the same as the first preferred embodiment described above, but the difference is that this third embodiment has a magnetic attraction mechanism (not shown), such as a magnetic block in the shape of a ring, at the junction of the auxiliary chamber receiving part11132and the tapered neck11131of the third opening1113, meanwhile, another magnetic block is set on the outside of the ring-shaped blocking piece1131of the guiding valve113for mutual attraction and fixation. Thus, this embodiment can be combined with the rebound mechanism11321used in the first or second embodiment, or the resisting rod11331, when the guiding valve113is extended toward between the first and second openings1111,1112from the third opening1113, it is able to restore the guiding valve113by the magnetic attraction mechanism.

Auxiliary Chamber

First Preferred Embodiment

Referring toFIG.4A, the auxiliary chamber12is a cylindrical hollow tubing and is open at both ends with a flow guiding valve fitting opening121at one end and a external medication fitting opening123at the other end.

The first preferred embodiment of the auxiliary chamber12is collocated with the first preferred embodiment of the aforementioned T-shaped adapter111. A chamber partition122is extended from the flow guiding valve fitting opening121into the interior of the tubing, separating the interior of the auxiliary chamber12at least partially into two chambers, and the chamber partition122can be only partially extended inside the auxiliary chamber12or all extended inside the auxiliary chamber12, the bottom of the auxiliary chamber12is used to accommodate any aerosol type of agent, such as Respimat, and preferably the bottom of the auxiliary chamber12is of sufficient length and shape to accommodate the agent, such as an oval.

Further, the side of the auxiliary chamber12can also be provided with an extra opening suitable for the Metered-dose inhaler (MDI) connector.

Second Preferred Embodiment

Referring toFIG.4B, the second preferred embodiment of the auxiliary chamber12is collocated with the second preferred embodiment of the aforementioned T-shaped adapter111, and further, a notch1221is provided at the top of the chamber partition122to engage with the end bifurcation of the resisting rod11331.

Ventilator Adapter

Referring toFIG.5AandFIG.5B, for the aforementioned first preferred embodiment example, the connection of ventilator adapter10of the present invention and the regular ventilator circuit20is mainly through the ventilator circuit20connecting with the first opening1111and the second opening1112of the T-shaped adapter111of the T-shaped flow guiding adapter11separately, and preferably the first opening1111and/or the second opening1112have any kind of structure that can fit the ventilator circuit20tightly, the present invention is not limited to it herein, only if the structure that enables the ventilator circuit20to fit with the first opening1111and the second opening1112with the airtight purpose is applicable to the present invention. When the T-shaped flow guiding adapter11of the present invention has not yet connected with the auxiliary chamber12, the blocking piece113of the guiding valve113in the third timing1113maintains at the third opening1113junction and makes the first opening1111and second opening1112only maintain a single unobstructed channel, which is only for the air delivery under the general circumstance when the ventilator circuit20does not need to administer medicine.

With further reference toFIG.5B, when the medication is to be administered, after the resisting part1133of the guiding valve113in the third opening1113pushed against the chamber partition122of the flow guiding valve opening121in the auxiliary chamber12, the guiding valve113will be pushed against toward the space between the first opening1111and the second opening1112of the T-shaped adapter111, and stop at the junction when the resisting part1133is pushed against the junction of the tapered neck11131and the auxiliary chamber receiving part11132, which makes the top of the auxiliary chamber12is accommodated within the auxiliary chamber receiving part11132of the third opening1113, and makes the rebound mechanism11321, such as a spring, compressed at the same time. At the moment, the spacer11322of the guiding valve113and the chamber partition122of the auxiliary chamber12are engaged and form the same plane, so that the original straight channel of the ventilator circuit20forms a U-shaped channel toward the third opening1113for the airflow30passing through. It is worth noting that when the guiding valve113of the present invention is pushed against the space between the first opening.1111and the second opening1112of the T-shaped adapter111, it may occupy ½, ⅔ or all of the space, and basically, it could achieve the claimed effect of the present invention as long as the original straight channel of the ventilator circuit20is formed into the U-shaped channel toward the third opening1113. At the same time, the external medication fitting opening123at the bottom of the auxiliary chamber12can be combined with the tank of a external medication40, the external medication40can preferably be Respimat, when the external medication40is triggered to spray in the direction of the third opening1113, the airflow30will carry the external medication40continuously toward in the direction of the patient to achieve the effect of medication administration.

The present invention successfully enables the airflow30of the original T-shaped adapter111to completely reach the position of the spray agent40through the airflow channel design formed by the combination and connection of the guiding valve113, the spacer11322, and the chamber partition122, and is completely or almost completely carried the external medication to the patient for inhalation to achieve a better effect of medication administration.

When the medication administration is completed, it only needs to disassemble the external medication40tank together with the auxiliary chamber12from the guiding valve113, and the rebound mechanism11321will return the blocking piece1131of the guiding valve113to its original position and close the third opening1113on a communicable state outwardly, and return the ventilator circuit20to its original normal use state.

The basic mechanism of the aforementioned second preferred embodiment is the same, except that the bifurcation at the end of resisting part1133of the guiding valve113in the third opening1113is engaged with the notch1221on the chamber partition122of the flow guiding valve fitting opening121of the auxiliary chamber12, so that the guiding valve113can be pushed against toward the space between the first opening1111and the second opening1112of the T-shaped adapter111, and the rebound mechanism11321is compressed to make the guiding valve113extends into the channel between the first and second openings1111and1112and to form the same airflow channel design as described above.

The above specification, examples, and data provide a complete description of the present disclosure and use of exemplary embodiments. Although various embodiments of the present disclosure have been described above with a certain degree of particularity, or with reference to one or more individual embodiments, those with ordinary skill in the art could make numerous alterations or modifications to the disclosed embodiments without departing from the spirit or scope of this disclosure.