DE1642025A1 - Wound pad material and process for its manufacture - Google Patents

Description

1642G25

Carl Freudenberg 19 »July 1967

Weinheim / Bergstrasse Dr.Z / Sn OH 457

Wound pad material and "method for making the same

As is well known, wounds are covered with cotton wool or bandages. These absorbent materials should not only protect the wound against contamination from the outside, but also purulent ones Soak up secretions, blood, etc. With severe suppuration, the cotton pad and / or the bandage must be renewed frequently. This is sometimes very painful, as absorbent cotton wool and bandages stick to the wound. These disadvantages will be avoided with the wound pad material described below «,

It consists of a two-layer fleece. The one non-woven layer is composed of viscose or cotton fibers, and is thus highly absorbent, "the second layer consists of a nonwoven fabric of olefin fibers such _o B _e polyethylene or polypropylene fibers. The wound pad material is placed on the wound with the olefin fiber layer during use »

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There is no sticking to the wound because the polyolefin fibers behave inert to body secretions, pus, blood, etc. and their ability to absorb liquids is practically zero. A fleece made entirely of polyolefin fibers can be used as cotton wool because of its low absorbency not suitable. Since in the case of the wound cushions according to the invention A highly absorbent viscose or viscose layer is applied to the polyolefin fiber Cotton fiber layer follows, the wound pad easily absorbs body secretions and can then be easily removed from the Separate wound »

The wound cushions according to the invention are produced, for example, by using a thin cotton fleece coming from the card laid on top of each other in several layers until e.g. a G-e-

weight of 100 to 200 g / m is reached. Subsequently, several layers of thin, also come from the carding polypropylene pile.

This multi-layer fleece is then placed in a needle loom usual design needled. Whether the punctures from the polyolefin fiber side or from the cotton fiber side is of secondary importance · A two-layer fleece produced in this way made of absorbent fibers on the one hand and inert fibers on the other hand can already be used as a wound pad.

However, it is expedient to calender the olefin fiber fleece smooth between hot rollers so that it is almost foil-like

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will. This can be done e.g. according to the example 1 of DAS 1 054 416 described method of operation.

So you will first calender a polypropylene fiber fleece and then needle a viscose or cotton fleece on the back _o In this embodiment, the polyolefin fiber fleece is very thin and the cotton fiber fleece is very bulky and therefore very absorbento

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Claims (1)

Claim: Wound pad material "consisting of a two-layer fiber fleece, where one layer is made of inert polyolefin fibers, the second layer is made of absorbent viscose or cotton fibers # 1OSC -? 5/1 524