METHODS FOR DETECTING, MONITORING AND TREATING LYMPHEDEMA
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
A61B-005/00
A61B-005/107
출원번호
US-0041367
(2016-02-11)
공개번호
US-0235354
(2016-08-18)
발명자
/ 주소
Weiler, Michael J.
Dixon, James B.
Pokutta, Sebastian
Zink, Daniel
Kassis, Timothy
출원인 / 주소
Lymphatech, Inc.
인용정보
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0인용 특허 :
0
초록▼
The present invention comprises methods for detecting, monitoring and treating lymphedema by using imaging devices to generate patient anatomical information from which body part volume measurements or geometries can be derived. Yet further, the present invention comprises methods of fitting compres
The present invention comprises methods for detecting, monitoring and treating lymphedema by using imaging devices to generate patient anatomical information from which body part volume measurements or geometries can be derived. Yet further, the present invention comprises methods of fitting compression garments for treatment of lymphedema by using the anatomical measurements derived from the patient anatomical information.
대표청구항▼
1. A method comprising: a. providing a patient in need of detection, monitoring, or treating for lymphedema, wherein the patient is positioned on a floor surface;b. providing a time of flight (ToF) imaging device, wherein the imaging device is: i. in operational communication with a computer system;
1. A method comprising: a. providing a patient in need of detection, monitoring, or treating for lymphedema, wherein the patient is positioned on a floor surface;b. providing a time of flight (ToF) imaging device, wherein the imaging device is: i. in operational communication with a computer system;ii. configured to generate a plurality of images of the patient at from about 5 to about 50 frames per second; andiii. positioned substantially stationary at a distance of from about 3 to about 8 feet from the patient and at a height of from about patient knee high to about patient shoulder high as measured relative to the patient;c. directing the patient to position either or both of her arms or legs at a front imaging position, a left imaging position, a back imaging position, and a right imaging position, wherein, when the patient is in each imaging position the patient's arms or legs are each, independently, positioned at an angle of from about 10 to about 90 degrees as measured relative to a vertical line drawn through a center of the patient that is perpendicular to the floor surface;d. generating, by the imaging device, a plurality of images of the patient when she is positioned in each of the front imaging position, the left imaging position, the back imaging position, and the right imaging position, wherein the images generated in each imaging position each, independently, comprise a plurality of front view patient images, left side view patient images, back side view patient images and right side view patient images; ande. processing, by a computer, the plurality of patient images, thereby generating patient anatomical information about one or more of the patient's body parts. 2. The method of claim 1, wherein the generated patient anatomical information comprises measurement information of one or both of the patient's left and right arms or one or both of the patient's left and right legs. 3. The method of claim 2, further comprising generating at least one patient body part volume measurement from the generated patient measurement information, thereby providing at least one of a patient left arm volume measurement, a patient right arm volume measurement, a patient left leg volume measurement, or a patient right leg volume measurement. 4. The method of claim 3, wherein one or more of the at least one patient body part volume measurements are generated close in time to a treatment in which the patient undergoes a medical treatment involving disruption of the patient's lymph system. 5. The method of claim 4, wherein the medical treatment comprises a breast cancer treatment. 6. The method of claim 4, further comprising repeating steps a through e in one or more subsequent measurement events, thereby generating one or more of a subsequent patient left arm volume measurement, a subsequent patient right arm volume measurement, a subsequent patient left leg volume measurement or a subsequent patient right leg volume measurement. 7. The method of claim 6, further comprising the comparing the one or more of the first patient arm or leg volume measurements with the one or more subsequent arm or leg volume measurements, thereby determining whether the patient experiences a change in a corresponding arm or leg measurement volume over time. 8. The method of claim 7, further comprising determining the patient's weight substantially contemporaneously to generation of the one or more arm or leg volume measurements and to the one or more subsequent arm or leg volume measurements and, when a patient weight difference is detected between at least two of the volume measurements, generating a patient size differential. 9. The method of claim 8, wherein a diagnosis of lymphedema is provided when at least one of the subsequent patient arm or leg volume measurements is about 10% percent or more greater than one or more of the first arm or leg volume measurement of a corresponding arm or leg. 10. The method of claim 8, wherein a diagnosis of lymphedema is provided when at least one of the subsequent patient arm or leg volume measurements is about 5% percent or more greater than one or more of the first arm or leg volume measurement of a corresponding arm or leg. 11. The method of claim 9, wherein the corresponding arm or leg is the patient's contralateral arm or leg, thereby generating a comparison of an opposite patient arm or leg volume over a period of time. 12. The method of claim 1, wherein the plurality of front side view patient images, left side view patient images, back side view patient images and right side view patient images each, independently, comprises from about 20 to about 30 images of each patient view. 13. The method of claim 1, wherein the patient is positioned with her thumb in an upward position and her palm facing toward the imaging device when the plurality of images are generated. 14. The method of claim 1, wherein the image processing step includes: a. a depth map generation step;b. a joint identification step;c. a first body part alignment step;d. a body part identification step;e. a second body part alignment step; andf. a 3D reconstruction step. 15. The method of claim 2, further comprising deriving compression garment sizing dimensions from the patient arm or leg measurements, wherein the dimensions comprise a plurality of patient limb circumferences generated serially along a length of the patient's arm or leg. 16. The method of claim 1, further comprising deriving a first range of motion information from the generated patient arm or leg measurement information. 17. The method of claim 16, further comprising repeating steps a through e in one or more subsequent measurement events to generate one or more subsequent anatomical measurements from which subsequent range of motion information is derivable from the measurement information, wherein the first range of motion information is compared to the subsequent range of motion information, thereby generating patient range of motion comparison information.
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