# US 10,765,598 B2 · Negative pressure device and methods thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,765,598 B2 - Document ID: US10765598B2 - Status: Granted - Kind: B2 - Application number: 15/251,682 - Filed: 2016-08-30 - Published: 2017-04-27 - Granted: 2020-09-08 - Earliest claimed: 2015-10-22 - Assignees: Yun Yu Cheung - Applicants: Yun Yu Cheung - Inventors: Yun Yu Cheung; Hon San Sung; Geng Li - Web page: https://patentgrep.com/patent/US10765598B2 ## CPC - A61H 39/086: {Acupuncture needles} - A61H 39/083: {Needle tubes} - A61H 2201/1238: with hydraulic or pneumatic drive - A61H 2201/50: Control means thereof - A61H 2201/5043: Displays - A61H 2205/02: Head - A61H 2205/022: Face - A61H 2205/04: neck - A61H 2205/06: Arms - A61H 2205/067: Fingers - A61H 2205/10: Leg - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) ## Abstract The present invention relates to a negative pressure device, including: a hollow needle assembly including: a hollow needle adaptor, the hollow needle adaptor has an axial through hole, a proximal connector, a distal connector and a flange between the proximal connector and the distal connector, and at least one hollow needle, each of the at least one hollow needle has a tip and an axial through hole and is in fluid communication with the proximal connector of the hollow needle adaptor; a host machine, the host machine includes a control module and a vacuum pump; and an exhaust pipe, the exhaust pipe is in fluid communication with the host machine and the distal connector of the hollow needle adaptor. ## Claims ### Claim 1 A method of operating a negative pressure device during an acupuncture treatment, comprising the steps of: acupuncturing at least one hollow needle under a skin of a patient to a subcutaneous connective tissue at one or more acupoints associated with the acupuncture treatment, each of the at least one hollow needle comprising a through hole, connecting the at least one hollow needle to a host machine, the host machine comprising a vacuum pump, and establishing a negative pressure in the through hole of the at least one hollow needle by means of the vacuum pump for a predetermined period of time to ensure no air or drug enters the one or more acupoints so as to dredge one or more meridians or collaterals of a body of the patient. ### Claim 2 (depends on 1) The method according to claim 1, wherein the negative pressure is set in accordance with different acupuncturing body parts including: 20-40 cmHg for head and face, 40 cmHg for neck, 70 cmHg for waist, 40-50 cmHg for fingers, 50-70 cmHg for upper limbs and 60-76 cmHg for lower limbs. ### Claim 3 (depends on 1) The method according to claim 1, further comprising selecting a diameter of a tip of the at least one hollow needle, wherein the diameter of the tip of the least one hollow needle is selected to be between 0.3-0.7 mm. ### Claim 4 (depends on 3) The method according to claim 3, wherein the diameter of the tip of the at least one hollow needle is selected to be between 0.3-0.45 mm for face acupuncture. ### Claim 5 (depends on 3) The method according to claim 3, wherein the diameter of the tip of the at least one hollow needle is selected to be between 0.5-0.7 mm for limbs acupuncture. ### Claim 6 (depends on 1) The method according to claim 1, wherein the acupuncturing is performed at an angle of 15, 45 or 90 degrees relative to the skin. ### Claim 7 (depends on 1) The method according to claim 1, further comprising selecting the one or more acupoints based on the indemnification of physical disorder. ### Claim 8 (depends on 1) The method according to claim 1, wherein the negative pressure is maintained in the through hole of the at least one hollow needle for no longer than 5 minutes. ### Claim 9 A negative acupuncture pressure treatment method, for treating a disorder of a patient, comprising the steps of: a) selecting a plurality of acupoints associated with acupuncture treatment of a disorder, b) acupuncturing a hollow needle of an acupuncture device into subcutaneous connective tissue of a patient at a first acupoint of the plurality of acupoints, c) establishing, by means of a through hole of the hollow needle, a fluid channel between subcutaneous connective tissue and a vacuum pump of the acupuncture device exterior to the patient, d) establishing a negative pressure in the fluid channel for a predetermined period of time to ensure no air or drug enters the first acupoint, and e) repeating steps b-d at the other acupoints of the plurality of acupoints, respectively, so as dredge one or more meridians or collaterals of a body of the patient. ### Claim 10 (depends on 9) The method according to claim 9, wherein a diameter of a tip of the hollow needle is between 0.3-0.7 mm. ### Claim 11 (depends on 9) The method according to claim 9, wherein the negative pressure is set in accordance with different acupuncturing body parts including: 20-40 cmHg for head and face, 40 cmHg for neck, 70 cmHg for waist, 40-50 cmHg for fingers, 50-70 cmHg for upper limbs and 60-76 cmHg for lower limbs. ### Claim 12 (depends on 9) The method according to claim 9, further comprising selecting the one or more acupoints based on an identification of a physical disorder. ### Claim 13 (depends on 9) The method according to claim 9, wherein the negative pressure is maintained for no longer than 5 minutes.