# US 2025/0082967 A1 · Sealing components, focused ultrasound treatment system and operation method, semi-dry acoustic coupling apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0082967 A1 - Document ID: US20250082967A1 - Status: Published application - Kind: A1 - Application number: 18/728,464 - Filed: 2022-12-19 - Published: 2025-03-13 - Earliest claimed: 2022-01-14 - Assignees: Hangzhou Fosurg Technology Co., Ltd. - Applicants: Hangzhou Fosurg Technology Co., Ltd. - Inventors: Tong YANG; Wei SUN - Web page: https://patentgrep.com/patent/US20250082967A1 ## CPC - A61N 7/00: Ultrasound therapy (lithotripsy A61B17/22, A61B17/225; massage using supersonic vibration A61H23/00 {; using ultrasound for introducing media into the body A61M37/0092}) - A61N 7/02: Localised ultrasound hyperthermia - A61B 17/2251: {characterised by coupling elements between the apparatus, e.g. shock wave apparatus or locating means, and the patient, e.g. details of bags, pressure control of bag on patient} - A61B 2090/064: {for measuring force, pressure or mechanical tension} - A61N 2007/0034: {Skin treatment} - A61N 2007/0065: {Concave transducers} - A61N 2007/0095: {by modifying an excitation signal} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract The provided are sealing components, a focused ultrasound treatment system and an operation method thereof, and a semi-dry acoustic coupling apparatus. The focused ultrasound treatment system includes a medium container with two ends opened, a waterproof adhesive ring, an ultrasound emission device, a gas pressure increase/decrease component, a coupling fluid increase/decrease component, and a pressure control module, where a first connecting surface of the waterproof adhesive ring is configured to attach to the skin of a patient; a second connecting surface of the waterproof adhesive ring is bonded with a first end of the medium container, and a second end of the medium container is tightly connected with a shell of the ultrasound emission device. The provided has advantages of simple device, reduced attenuation, thorough coupling, improved efficacy, reduced risk, and no damage to an ultrasonic imaging probe. ## Claims ### Claim 1 A focused ultrasound treatment system, comprising a medium container with two ends opened, a waterproof adhesive ring, an ultrasound emission device, a gas pressure increase/decrease component, a coupling fluid increase/decrease component, and a pressure control module, wherein the ultrasound emission device comprises a shell and an ultrasound emission portion, and the shell and the ultrasound emission portion enclose an inflatable confined space; a first connecting surface of the waterproof adhesive ring is configured to attach to a skin of a patient; a second connecting surface of the waterproof adhesive ring is bonded with a first end of the medium container with two ends opened, and a second end of the medium container is tightly connected with the shell of the ultrasound emission device; a gas pressure sensor configured to detect a gas pressure at an inner side of the ultrasound emission portion is provided in the confined space, and a hydraulic pressure sensor configured to detect a pressure at an outer side of the ultrasound emission portion is provided in a coupling fluid in the medium container; the gas pressure increase/decrease component and the coupling fluid increase/decrease component are connected with the pressure control module; and the pressure control module is configured to receive pressure data of the gas pressure sensor and the hydraulic pressure sensor and control the gas pressure increase/decrease component and the coupling fluid increase/decrease component to increase/decrease pressures at inner and outer sides of the ultrasound emission portion, respectively. ### Claim 2 (depends on 1) The focused ultrasound treatment system according to claim 1, wherein the gas pressure increase/decrease component comprises a gas pump, a gas-charging pipe, and a gas-discharging pipe, and the gas pump is connected with the pressure control module; and open ends of the gas-charging pipe and the gas-discharging pipe extend into the confined space. ### Claim 3 (depends on 1) The focused ultrasound treatment system according to claim 1, wherein the coupling fluid increase/decrease component comprises a liquid pump, a liquid-charging pipe, and a liquid-discharging pipe, and the liquid pump is connected with the pressure control module; and open ends of the liquid-charging pipe and the liquid-discharging pipe extend into the coupling fluid in the medium container to increase/decrease the coupling fluid in the medium container. ### Claim 4 (depends on 3) The focused ultrasound treatment system according to claim 3, wherein a position of the hydraulic pressure sensor is close to a position of a front end of the liquid-charging pipe of the ultrasound emission portion, the hydraulic pressure sensor is connected with the pressure control module through a wire, and the wire is drawn outwards through a pipe hole of the liquid-charging pipe. ### Claim 5 (canceled) ### Claim 6 (depends on 3) The focused ultrasound treatment system according to claim 3, wherein the second end of the medium container is connected with the shell through an annular sealing element, and the liquid-charging pipe and the liquid-discharging pipe pass through a wall of the annular sealing element. ### Claim 7 (depends on 6) The focused ultrasound treatment system according to claim 6, wherein a cross section of the waterproof adhesive ring is square, circular, or non-coplanar and irregular, a lower connecting surface of the waterproof adhesive ring is the first connecting surface, and an upper connecting surface of the waterproof adhesive ring is the second connecting surface. ### Claim 8 An operation method for a focused ultrasound treatment system, comprising the following steps: step 1: cleaning a skin of a target site of a human body, and locating the focused ultrasound treatment system at an approximate zone where a lesion of the human body is located; step 2: attaching a first connecting surface of a waterproof adhesive ring to the skin of the human body, and allowing a second connecting surface of the waterproof adhesive ring to be always bonded with a first end of a medium container; step 3: connecting the medium container with a shell of an ultrasound emission device, and adding a coupling fluid to the medium container; step 4: allowing an ultrasonic imaging probe to independently undergo an axial motion or a rotary motion under driving of a motor to guide and adjust a range and an angle of ultrasonic focusing; and step 5: allowing an ultrasound emission portion of the ultrasound emission device to emit ultrasound waves. ### Claim 9 (depends on 8) The operation method for the focused ultrasound treatment system according to claim 8, wherein in the step 3, the coupling fluid is poured into the medium container through an opening of a second end of the medium container that is away from the waterproof adhesive ring, and the second end of the medium container is tightly connected with the shell of the ultrasound emission device through an annular sealing element. ### Claim 10 (depends on 8) The operation method for the focused ultrasound treatment system according to claim 8, wherein in the step 3, the medium container is tightly fixed to the ultrasound emission device through an annular sealing element, and the coupling fluid in the medium container is increased by a coupling fluid increase/decrease component. ### Claim 11 (depends on 8) The operation method for the focused ultrasound treatment system according to claim 8, wherein in the step 2, through repeated squeezing and gentle heating, bubbles between the first connecting surface of the waterproof adhesive ring and the skin are completely squeezed out to make the waterproof adhesive ring fully and thoroughly attach to the skin, wherein a sealing zone allowed for accumulating the coupling fluid is formed at an inner side of the medium container. ### Claim 12 (depends on 11) The operation method for the focused ultrasound treatment system according to claim 11, wherein the ultrasound emission device has a confined space formed at an inner side of the ultrasound emission portion; a gas pressure sensor configured to detect a gas pressure at the inner side of the ultrasound emission portion is provided in the confined space, a hydraulic pressure sensor configured to detect a hydraulic pressure at an outer side of the ultrasound emission portion is provided in the coupling fluid in the medium container, and the gas pressure sensor and the hydraulic pressure sensor are connected with a pressure control module; and during a process from the step 3 to the step 5, the pressure control module controls a gas pressure increase/decrease component and a coupling fluid increase/decrease component to adjust air in the confined space and the coupling fluid in the sealing zone, respectively to make internal and external pressures of the ultrasound emission portion balanced. ### Claim 13 A sealing component, comprising a medium container with two ends opened and a waterproof adhesive ring, wherein a second connecting surface of the waterproof adhesive ring is bonded with a first end of the medium container, and a second end of the medium container is tightly connected with a shell of an ultrasound emission device. ### Claim 14 (depends on 13) The sealing component according to claim 13, wherein the second end of the medium container is connected with the shell through an annular sealing element. ### Claim 15 (depends on 13) The sealing component according to claim 13, wherein a cross section of the waterproof adhesive ring is circular, square, or non-coplanar and irregular, a lower connecting surface of the waterproof adhesive ring is a first connecting surface, an upper connecting surface of the waterproof adhesive ring is the second connecting surface, and an end face of the first end of the medium container is in contact connection with the second connecting surface. ### Claim 16 A sealing component, comprising a medium container and a waterproof adhesive ring, wherein the medium container is a cylindrical body with two ends opened; a second connecting surface of the waterproof adhesive ring is bonded with a first end of the medium container; a second end of the medium container is opened; and a space allowed for accommodating a coupling fluid is formed between the medium container and a skin of a patient. ### Claim 17 A focused ultrasound treatment system, comprising a medium container with two ends opened, a waterproof adhesive ring, and an ultrasound emission device, wherein a second connecting surface of the waterproof adhesive ring is bonded with a first end of the medium container, a first connecting surface of the waterproof adhesive ring is configured to attach to a skin of a patient, and a space allowed for accommodating a coupling fluid is formed between the medium container and the skin of the patient; and a second end of the medium container is opened, and the ultrasound emission device extends into the space from the second end of the medium container. ### Claim 18 A semi-dry acoustic coupling apparatus, comprising a medium container and a waterproof adhesive ring, wherein the medium container is annular and hollow, a bottom surface of the waterproof adhesive ring is an adhesive surface configured to attach to a surface of a skin of a human body, and a bottom of the medium container is connected with a middle portion of the waterproof adhesive ring. ### Claim 19 (depends on 18) The semi-dry acoustic coupling apparatus according to claim 18, wherein an edge of the bottom of the medium container is inverted T-shaped, and a bottom plane of the edge is fixedly connected with an upper surface of the waterproof adhesive ring. ### Claim 20 (depends on 18) The semi-dry acoustic coupling apparatus according to claim 18, wherein a middle portion of an upper surface of the waterproof adhesive ring is provided with a connecting seat, and the connecting seat is fixedly connected with the edge of the bottom of the medium container. ### Claim 21 (canceled) ### Claim 22 (depends on 18) The semi-dry acoustic coupling apparatus according to claim 18, wherein a bottom of an outer wall of the medium container is provided with an annular thickening portion. ### Claim 23 (canceled) ### Claim 24 (depends on 22) The semi-dry acoustic coupling apparatus according to claim 22, further comprising a fixing jacket, wherein the fixing jacket is fixed on the waterproof adhesive ring to enclose the medium container. ### Claim 25 (canceled) ### Claim 26 (depends on 18) The semi-dry acoustic coupling apparatus according to claim 18, wherein a top of the medium container is provided with a folding portion configured for folding, a through hole configured to arrange an ultrasound emission device is formed at a center of the top, and an elastic belt is embedded in an edge of the through hole.