E-Articles - Health and Fitness

Digital hearing aids offer many more features and options than their analog equivalents and because of this they are much more expens

According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product

ive. The advantages of digital hearing aids do make them extremely popular though.

First we need to establish the difference between

; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.

Examples of combination products may in

analog and digital hearing aids. Analog aids are simply sound amplifier circuits. They perceive sound through a microphone, an ampli

lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.

fier circuit makes it louder and then a receiver conveys this amplified sound into the ear. Digital aids are a step further where the

here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe

y receive analog sound waves and convert them into digital signals (patterns of high and low). These digital signals are then used to

d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.

Combination pro

automatically reduce or amplify sound depending on the need.

Advantages of converting waves into digital signals include noise redu

ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc

ction, speech enhancement and recognition, and feedback and echo reduction. Noise reduction makes it possible to reduce annoyance in

easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi

sound such as low frequency sounds. It also makes the idea of speech recognition possible. Notch filtering is used to reduce feedback

nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically

that is sometimes a problem for wearers of analog hearing aids. The most common cause of feedback is movement of jaw or swallowing.

and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ

Digital hearing aids come in

ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi

nearly all kinds of styles such as behind-the-ear and in-the-ear. They are very easy to install and operate due to their self-ad

ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.

Following aspects would a

justing capabilities. Programmable analog hearing aids are somewhat similar to digital hearing aids but their ability is still limite

dd to the challenges in developing combination products:

Which markets to tap where the combination products can do fairly well?
Which combination prod

d because they are unable to automatically adjust, the user always has to change settings manually.

Directional microphones can be u

cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin

sed with digital hearing aids which help to reduce background noise and concentrate on what is directly in front of the user. This te

tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen

chnology is also known as dual microphone capability. If you want to capture everything that is going on around you, you can simply s

t?

As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel

witch off the directional microphone.

Directional microphones can be added to an analog aid, however digital signal processing makes

ping new procedures for reviewing their safety, efficacy and quality.

Professional from academic institutions, pharmaceutical industries, health care indust

it much more beneficial to the user. The volume of analog aids has to be adjusted accordingly when the user is in a loud environment

y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products

, however digital aids can automatically adjust. They are able to ?®normalize' the volume, digital aids are ideal for all types of en

.

As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de

vironments.

All in all digital hearing aids are characterized by their ease-of-use, enhanced flexibility and wide range of features

elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.

Companies that provide selfless information through particip

that can be added to make them more powerful. Make sure that you discuss your needs with your audiologist before buying a hearing aid

tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products

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