Device and method for ultrasound wound debridement
An end-effector configured and dimensioned for being connected to an ultrasound surgical device is provided. The end-effector includes means for receiving ultrasound waves generated and propagated by the ultrasound surgical device, and means for debriding tissue on a wound surface. The means for debriding tissue includes at least one non-smooth surface; and means for propagating the received ultrasound waves to the at least one non-smooth surface for vibrating the at least one non-smooth surface, wherein the at least one non-smooth vibrating surface is configured to contact and debride tissue on the wound surface. A method is further provided for debriding wound tissue including the steps of providing ultrasound waves to a non-smooth surface configured for debriding, propagating the ultrasound waves to cause vibration of the non-smooth surface, and contacting the vibrating surface configured for debriding with the wound tissue.
1 . An end-effector configured and dimensioned for being connected to an ultrasound device, said end-effector comprising:
means for receiving ultrasound waves generated and propagated by the ultrasound device; and
means for debriding tissue on a wound surface and enhancing wound healing, said means for debriding tissue and enhancing wound healing comprising:
at least one non-smooth surface; and
means for propagating the received ultrasound waves to the at least one non-smooth surface for vibrating the at least one non-smooth surface, wherein the at least one non-smooth vibrating surface is configured to contact and debride tissue on the wound surface and to enhance wound healing.
2 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes a contact area for contacting and debriding the wound surface, and wherein the contact area is arrayed in a radial or circular pattern.
3 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes at least one protrusion.
4 . The end-effector in accordance with claim 3 , wherein the at least one protrusion includes at least one tooth.
5 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes a two-dimensional array of teeth.
6 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes a two-dimensional grid of teeth.
7 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes a contact area for contacting and debriding the wound surface, the contact area having a predetermined length and width.
8 . The end-effector in accordance with claim 1 , wherein the at least one non-smooth surface includes a plurality of teeth, and wherein each of said plurality of teeth has the same tooth configuration.
9 . The end-effector in accordance with claim 8 , wherein the tooth configuration is selected from a cylinder or a cylinder with an angled cut.
10 . The end-effector in accordance with claim 8 , wherein the tooth configuration is a pyramid.
11 . The end-effector in accordance with claim 8 , wherein the tooth configuration is a cone.
12 . The end-effector in accordance with claim 8 , wherein the tooth configuration is selected from a wedge, a tapered wedge, or a truncated tapered wedge.
13 . The end-effector in accordance with claim 1 , wherein the means for propagating includes a channel at least partially circumscribed with an indentation for causing at least a portion of the ultrasound waves to be configured as torsional or rotational waves for causing at least a portion of the at least one non-smooth surface to rotate.
14 . The end-effector in accordance with claim 1 , wherein the ultrasound waves have frequencies in the range from 20 kHz-100 kHz.
15 . The end-effector in accordance with claim 1 , wherein the ultrasound waves have amplitudes in the range from 5 to 30 microns.
16 . The end-effector in accordance with claim 1 , wherein the ultrasound waves have amplitudes in the range from 1 to 100 microns.
17 . The end-effector in accordance with claim 1 , wherein the ultrasound waves have amplitudes in the range from 30-300 microns.
18 . The end-effector in accordance with claim 1 , wherein the ultrasound waves have amplitudes in the range from 30-120 microns.
19 . The end-effector in accordance with claim 1 , wherein at least one of the end-effector and the received ultrasound waves is configured and dimensioned for forming at least one of acoustical and mechanical pressure with the received ultrasonic waves for causing a therapeutic effect to the wound surface.
20 . The end-effector in accordance with claim 1 , further comprising at least one channel in fluid communication with an area adjacent the wound surface for transfer of material to or from the wound surface.
21 . An end-effector configured and dimensioned for being connected to an ultrasound device, said end-effector comprising:
means for receiving ultrasound waves generated and propagated by the ultrasound device;
means for debriding tissue on a wound surface and enhancing wound healing, said means for debriding tissue and enhancing wound healing comprising:
at least one non-smooth surface, which non-smooth surface is arrayed in a radial or circular pattern; and
means for propagating the received ultrasound waves to the at least one non-smooth surface for vibrating the at least one non-smooth surface, wherein the at least one non-smooth vibrating surface is configured to contact and debride tissue on the wound surface and to enhance wound healing; and
at least one channel in fluid communication with an area adjacent the wound surface for transfer of fluid to or from the wound surface.
22 . A method for debriding wound tissue and promoting wound healing using the end-effector of claim 1 , comprising the steps of:
providing ultrasound waves to a non-smooth surface configured for debriding wound tissue and promoting wound healing;
propagating the ultrasound waves to cause vibration of the non-smooth surface; and
contacting the vibrating surface configured for debriding with the wound tissue to debride the wound tissue and to promote wound healing.
23 . The method according to claim 22 , further comprising providing fluid from the end-effector to the wound tissue to irrigate the wound tissue.
24 . The method according to claim 22 , further comprising providing fluid from the end-effector to the wound tissue, wherein said fluid penetrates the wound tissue.
25 . The method according to claim 24 , wherein the fluid includes a drug.
26 . The method according to claim 22 , further comprising the step of transferring material to or from the wound.
27 . The end-effector in accordance with claim 20 , wherein the at least one non-smooth surface includes at least one protrusion.
28 . The end-effector in accordance with claim 27 , wherein the at least one protrusion includes at least one tooth.
29 . The end-effector in accordance with claim 20 , wherein the at least one non-smooth surface includes a two-dimensional array of teeth.
30 . The end-effector in accordance with claim 20 , wherein the at least one non-smooth surface includes a two-dimensional grid of teeth.
31 . The end-effector in accordance with claim 20 , wherein the at least one non-smooth surface includes a plurality of teeth, and wherein each of said plurality of teeth has the same tooth configuration.
32 . An end-effector configured and dimensioned for being connected to an ultrasound device, said end-effector comprising:
means for receiving ultrasound waves generated and propagated by the ultrasound device;
means for debriding tissue on a wound surface and enhancing wound healing, said means for debriding tissue and enhancing wound healing comprising:
at least one non-smooth surface; and
means for propagating the received ultrasound waves to the at least one non-smooth surface for vibrating the at least one non-smooth surface, wherein the at least one non-smooth vibrating surface is configured to contact and debride tissue on the wound surface to enhance wound healing; and
means for treating the tissue therapeutically by promoting penetration of a fluid below the surface of the wound with the received ultrasound waves.
33 . The end-effector in accordance with claim 32 , wherein the at least one non-smooth surface includes a contact area for contacting and debriding the wound surface, and wherein the contact area is arrayed in a radial or circular pattern.
34 . The end-effector in accordance with claim 32 , wherein the at least one non-smooth surface includes at least one protrusion including at least one tooth.
35 . The end-effector in accordance with claim 32 , wherein the at least one non-smooth surface includes a two-dimensional array of teeth.
36 . The end-effector in accordance with claim 32 , wherein the at least one non-smooth surface includes a two-dimensional grid of teeth.
37 . The end-effector in accordance with claim 32 , wherein the at least one non-smooth surface includes a plurality of teeth, and wherein each of said plurality of teeth has the same tooth configuration.
38 . The end-effector in accordance with claim 32 , wherein the means for treating the wound therapeutically includes a channel at least partially circumscribed with an indentation for causing at least a portion of the ultrasound waves to be configured as torsional or rotational waves.
39 . The end-effector in accordance with claim 32 , wherein the means for treating the wound therapeutically includes causing at least a portion of the at least one non-smooth surface to rotate.
40 . The end-effector in accordance with claim 32 , wherein the ultrasound waves have frequencies in the range from 20 kHz-100 kHz.
41 . The end-effector in accordance with claim 32 , wherein the ultrasound waves have amplitudes in the range from 5 to 120 microns.
42 . The end-effector in accordance with claim 32 , further comprising at least one channel in fluid communication with an area adjacent the wound surface for transfer of material to or from the wound surface.
43 . The end-effector in accordance with claim 20 , wherein the at least one channel is configured for irrigation.
44 . The end-effector in accordance with claim 20 , wherein the at least one channel is configured for suction.
45 . The end-effector in accordance with claim 20 , comprising separate channels for irrigation and suction.
46 . A method for debriding wound tissue and promoting wound healing using the end-effector of claim 21 , comprising the steps of:
providing ultrasound waves to a non-smooth surface configured for debriding wound tissue and promoting wound healing;
propagating the ultrasound waves to cause vibration of the non-smooth surface;
providing fluid from the end-effector to the wound tissue; and
contacting the vibrating surface configured for debriding with the wound tissue to debride the wound tissue and to promote wound healing.
47 . The method according to claim 46 , wherein fluid is provided to the wound tissue to irrigate the wound tissue.
48 . The method according to claim 46 , wherein fluid provided to the wound tissue penetrates the wound tissue.
49 . The method in accordance with claim 46 , wherein the at least one non-smooth surface includes a plurality of teeth.
50 . The method in accordance with claim 46 , wherein the at least one non-smooth surface includes a plurality of teeth, and wherein each of said plurality of teeth has the same tooth configuration.