Easy glide abrasive tip for a microdermabrasion device
The invention provides a microdermabrasion device comprising a vacuum system and a device tip, wherein the vacuum system comprises a channel with a channel inlet at the device tip, wherein the channel inlet is surrounded by a channel rim which facilitates gliding of the device tip over a skin, and wherein the device tip comprises a microdermabrasion zone configured remote from the channel inlet with a recession configured between the microdermabrasion zone and the channel rim.
1. A microdermabrasion device comprising:
a vacuum system and
a device tip,
wherein the vacuum system comprises a channel with a channel inlet at the device tip,
wherein the channel inlet is surrounded by a channel rim and has different dimensions over its length comprising a broader downstream portion and a relatively more narrow upstream portion, and
wherein the device tip comprises a microdermabrasion zone including abrasive structures, configured remote from the channel inlet with a recession configured between the microdermabrasion zone and the channel rim,
wherein the channel inlet is perimetrically surrounded by the channel rim, and
wherein the microdermabrasion zone perimetrically surrounds the channel rim,
wherein the channel rim comprises a gliding zone to facilitate gliding of the device tip over a skin,
wherein the distance from the top of the channel rim to the channel axis is a distance d 1 and the distance from the top of the microdermabrasion zone to the channel axis is a distance d 2 , where d 2 >d 1 , and
wherein the channel rim has a height h 1 relative to the recession bottom and the microdermabrasion zone has a height h 2 relative to the recession bottom, where a height difference h 3 is in the range of 0-5 mm wherein the channel rim height (h 1 ) is larger than the microdermabrasion zone height (h 2 ).
2. The microdermabrasion device according to claim 1 , wherein the channel rim has a round ring shape, wherein the recession has a round ring shape, and wherein the microdermabrasion zone has a round ring shape.
3. The microdermabrasion device according to claim 1 , wherein the channel rim has an oval ring shape, wherein the recession has an oval ring shape, and wherein the microdermabrasion zone has an oval ring shape.
4. The microdermabrasion device according to claim 1 , wherein the channel rim height (h 1 ) and the microdermabrasion zone height (h 2 ) have a height difference (h 3 ) in the range of up to 3 mm.
5. The microdermabrasion device according to claim 1 , having a vacuum area in the range of 10-400 mm 2 .
6. The microdermabrasion device according to claim 1 , wherein the device is configured to provide a negative pressure in the range of 5-80 kPa.
7. The microdermabrasion device according to claim 1 , having a vacuum area in the range of 45-75 mm 2 and wherein the device is configured to provide a negative pressure in the range of 15-60 kPa.
8. The microdermabrasion device according to claim 1 , wherein microdermabrasion zone comprises abrasive structures attached to the microdermabrasion zone having mean dimensions in the range of 2-300 μm.
9. The microdermabrasion device according to claim 1 , having a quotient of the adhesive friction of the channel rim over the adhesive friction of the abrasion zone of 0.7 or lower.
10. The microdermabrasion device according to claim 1 , further comprising a second gliding zone perimetrically surrounding the microdermabrasion zone.