An MDI is a handheld aerosol device that uses a propellant to deliver medicine to the lungs. The advantages of MDIs include: It is easy to carry around. It can deliver multiple doses. There is a low risk of bacterial contamination. The disadvantages include: The need for correct, coordinated use of the inhaler.

Pressurized metered dose inhalers (MDIs) and dry powder inhalers (DPIs) are the most commonly used inhaler devices. MDIs, developed in the mid-1950s, 7 deliver a fixed drug dose from a pressurized canister requiring coordination between inhalation and actuation.

Metered dose inhalers (MDIs) are also known as aerosol or puffer inhalers. MDIs consist of a small pressurized canister containing the medication, which sits inside a plastic case. Pressing the button on top of the canister releases a set dose of medicine through the mouthpiece (actuator) of the inhaler, which the patient then breathes in as it ...

2024年3月25日 · People who have chronic obstructive pulmonary disease or other lung conditions often take their medications using devices called a metered dose inhaler or MDI or a dry powder inhaler...

2023年12月1日 · A DPI is similar to an HFA, but it releases a puff of dry powder instead of a liquid mist. You shouldn’t use a DPI with a spacer. Instead, close your mouth tightly around the mouthpiece of the...

2020年7月10日 · MDI and DPIs have their advantages and disadvantages. MDIs require the user to coordinate pressing down the canister and inhaling the medication while DPIs do not; however, the inspiratory flow rate is a drawback of DPIs.

2021年1月14日 · BDP/FF/G is now being developed for delivery via multi-dose dry-powder inhaler (DPI; NEXThaler). This study aimed to demonstrate non-inferiority of BDP/FF/G DPI vs pMDI for lung function.

MDI（Metered Dose Inhaler，定量噴霧吸入器）和DPI（Dry Powder Inhaler，乾粉吸入器）是兩種常見的氣喘用藥吸入方式。 它們的主要區別在於藥物的釋放方式、使用方法以及適用的患者群體。

2023年8月25日 · MDIs (puffers) and DPIs are inhalers that deliver 1 or more drug substances to the site of action. Both types are used to treat lung conditions including asthma, COPD, respiratory infections and cystic fibrosis. These medical conditions are characterized by blockage of airflow and shortness of breath.

*At all times, persons with asthma should be encouraged to use a spacer (valved holding chamber) when using an MDI. Chronic Disease Adult Asthma Care Guidelines for Nurses: Promoting Control of Asthma