WO2014117714A1 - 超声治疗头以及超声治疗设备 - Google Patents

超声治疗头以及超声治疗设备 Download PDF

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Publication number
WO2014117714A1
WO2014117714A1 PCT/CN2014/071570 CN2014071570W WO2014117714A1 WO 2014117714 A1 WO2014117714 A1 WO 2014117714A1 CN 2014071570 W CN2014071570 W CN 2014071570W WO 2014117714 A1 WO2014117714 A1 WO 2014117714A1
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WO
WIPO (PCT)
Prior art keywords
ultrasonic
treatment head
unit
outer casing
sound
Prior art date
Application number
PCT/CN2014/071570
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English (en)
French (fr)
Inventor
胡弟元
曾涛
黄光华
Original Assignee
重庆海扶医疗科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 重庆海扶医疗科技股份有限公司 filed Critical 重庆海扶医疗科技股份有限公司
Priority to AU2014211852A priority Critical patent/AU2014211852B2/en
Priority to KR1020157021124A priority patent/KR20150104159A/ko
Priority to JP2015554044A priority patent/JP6481244B2/ja
Priority to EP14745358.3A priority patent/EP2952228A4/en
Priority to KR1020177000173A priority patent/KR20170005190A/ko
Publication of WO2014117714A1 publication Critical patent/WO2014117714A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2251—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves 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
    • A61B2017/2253—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves 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 using a coupling gel or liquid

Definitions

  • the invention belongs to the technical field of ultrasonic therapy, and relates to an ultrasonic treatment head and an ultrasonic treatment apparatus including the ultrasonic treatment head. Background technique
  • the treatment of soft tissue injury pain in the head and neck, lower back and limbs is mainly acupuncture treatment, drug treatment and ultrasound treatment.
  • ultrasound devices capable of simulating acupuncture functions, such as ultrasound acupuncture devices, are currently available.
  • Ultrasonic acupuncture equipment can simulate the acupuncture method in traditional acupuncture. The principle of the work is to make the ultrasound penetrate the skin and converge under the skin. The sound energy generated by the convergence can be used to simulate the acupuncture manipulation of the acupuncture points of the human body to achieve the traditional acupuncture. effect.
  • the part in contact with the human body is usually made of solid materials such as glass, copper or aluminum, and the energy output is not stable; the surface temperature rises too fast, and the skin of the patient is easily burned; and the texture is biased; Hard, and cold, the initial use of the patient to bring cold and uncomfortable feelings such as poor comfort.
  • the technical problem to be solved by the present invention is to provide an ultrasonic treatment head and an ultrasonic treatment apparatus including the same, which can significantly improve the patient when the patient is treated with the ultrasonic treatment head of the present invention. Comfort.
  • the ultrasonic treatment head comprises a casing and a sound-transmissive window, wherein the casing has an ultrasonic transmitting unit, and one end of the casing is open, and the opening is closed by the sound-permeable window, the ultrasonic transmitting unit The ultrasonic waves are emitted outward through the sound-permeable window, wherein the sound-permeable window is made of a soft sound-permeable material.
  • the sound-permeable window is convex and has no sanitary corners, which is convenient for cleaning and disinfection.
  • the housing further includes an ultrasonic conductive medium disposed between the ultrasonic transmitting unit and the sound permeable window, and the ultrasonic conductive medium is flexible Soft substance.
  • the ultrasonically conductive medium is in the form of a gel or a liquid.
  • a sealed cavity is formed between the sound permeable window, the ultrasonic transmitting unit and the outer casing, and the ultrasonic conductive medium is disposed in the sealed cavity.
  • the middle portion of the ultrasonic transmitting unit is provided with a through hole through which the ultrasonic conductive medium can be poured into the sealed chamber.
  • the housing further includes a sealing unit for sealing the ultrasonic transmitting unit from the outer casing.
  • the sealing unit includes a sealing jaw disposed between the outer casing and the ultrasonic transmitting unit, and a pressing mechanism that deforms the sealing jaw to seal the ultrasonic emitting unit from the outer casing; or ,
  • the sealing unit includes a sealant disposed between the outer casing and the ultrasonic wave emitting unit, the sealant being a silicone rubber or a silicone sealant or an AB glue; and/or, the sealing unit includes a middle portion for the ultrasonic emission unit
  • the perforations are sealed sealing plugs.
  • a heat dissipation unit for dissipating heat from the ultrasonic transmitting unit.
  • the heat dissipating unit comprises an air inlet and an air outlet formed on the outer casing, and a fan disposed in the outer casing, wherein the air inlet and the air outlet are respectively disposed on different sides of the outer casing, and the external cold air is from the air inlet.
  • the outer casing is discharged from the air outlet through the fan to take away the heat generated when the ultrasonic transmitting unit operates.
  • the heat dissipating unit further comprises a heat conducting layer coated on the back of the ultrasonic transmitting unit.
  • the heat conducting layer is a hygroscopic heat conductive material uniformly coated on the back of the ultrasonic wave emitting unit, and the back surface of the ultrasonic wave emitting unit is further provided with a metal backing.
  • the air outlet is located near the sound permeable window to avoid the effect of the hot air discharged during treatment on the operator.
  • the warm air is blown around the patient's treatment area, which improves the patient's comfort; promotes blood circulation and plays a certain auxiliary effect.
  • the ultrasonic conductive medium is a liquid
  • the heat dissipating unit includes an ultrasonic conductive medium providing mechanism, and is connected to the ultrasonic conductive medium providing mechanism a liquid inlet pipe and a liquid return pipe between the sealed chambers, wherein the ultrasonic conductive medium circulates between the ultrasonic conductive medium supply mechanism and the sealed cavity through the inlet pipe and the liquid return pipe to generate the ultrasonic emission unit when working The heat is taken away.
  • the sound-permeable window is made of a polyurethane elastomer or polytetrafluoroethylene, and the thickness of the sound-permeable window is less than 2 mm.
  • the ultrasonic wave emitted by the ultrasonic transmitting unit has a frequency of 0.3 to 3 MHz, a power of 0.1 10 W, a spatial peak time average sound intensity of 0.1 to 40 w /cm 2 , and a focal length formed by the ultrasonic wave of 2 to 5 mm.
  • the length of the focal length is 3 ⁇ 12 times of its width, and the focal plane distance is 3-80mm;
  • the height of the ultrasonic transmitting unit is 3 ⁇ 20mm, the thickness is 0.5 ⁇ 10mm, the outer diameter is 10 ⁇ 100mm, the inner sphere radius It is 10 ⁇ 100mm.
  • the present invention also provides an ultrasonic treatment apparatus comprising an ultrasonic treatment head, wherein the ultrasonic treatment head employs the above-described ultrasonic treatment head.
  • the sound-permeable window in the ultrasonic treatment head of the invention is made of a soft sound-permeable material, and the ultrasonic conductive medium also adopts a soft substance, the part of the ultrasonic treatment head that is in contact with the human body is soft and comfortable to touch; and, the surface of the treatment head is The temperature is not too low, there is a warm feeling during the treatment, and it is suitable for winter and summer, and the season adaptability is strong, which can effectively improve the comfort of the patient during treatment, and further alleviate the pain of the patient during treatment. At the same time, it also improves the safety of treatment.
  • the ultrasonic treatment head of the invention is particularly suitable for treating soft tissue injury pain in the head and neck, lower back, limbs and the like.
  • FIG. 1 is a schematic structural view of an ultrasonic treatment head according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural view of an ultrasonic treatment head according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic structural view of an ultrasonic treatment head according to Embodiment 3 of the present invention.
  • Figure 4 is a schematic view showing the structure of a pressing mechanism in Embodiment 2 of the present invention.
  • 10-transmission window 20-ultrasonic transmission medium; 30-ultrasonic emission unit; 31-perforation; 40-shell; 41-air outlet; 42-air inlet; 50-cable; 51-inlet pipe; 52-return tube; 60-impedance matching unit; 70-therapeutic head control unit; 80-fan; 90- Sealing unit; 91-sealing plug; 92-seal ⁇ ; 93-pressing mechanism; 94-spinning ring; 95- compression sleeve.
  • This embodiment provides an ultrasonic treatment apparatus including an ultrasonic treatment head.
  • the ultrasonic treatment head in this embodiment includes a casing 40 and a sound-transmitting window 10, and an outer casing 40 has an ultrasonic wave emitting unit 30.
  • One end of the casing 40 is open, and the opening is closed by the sound-permeable window 10, and the ultrasonic wave is emitted.
  • the unit 30 transmits ultrasonic waves outward through the sound-permeable window 10, and the sound-permeable window 10 is made of a soft sound-permeable material.
  • Example 2 Example 2:
  • the present embodiment provides an ultrasonic treatment apparatus comprising a main body and an ultrasonic treatment head connected to the host via a cable 50.
  • the cable 50 is used to transmit an ultrasonic drive signal and a control signal from the host to the ultrasonic treatment head.
  • the ultrasonic treatment device is specifically an ultrasonic acupuncture device, which is mainly used for treating soft tissue injury and muscle pain.
  • the ultrasonic treatment head in this embodiment includes a housing 40 and a sound-permeable window 10.
  • One end of the outer casing 40 is open, and the opening is sealed by a sound-permeable window 10 having an ultrasonic wave emitting unit 30, a treatment head control unit 70, a sealing unit 90, and an ultrasonic conductive medium 20 (i.e., a coupling medium).
  • the ultrasonic transmitting unit 30 is for transmitting ultrasonic waves
  • the treatment head control unit 70 is for controlling the output and stop of the ultrasonic waves.
  • the ultrasonic transmitting unit 30 is disposed in an inner casing near an end of the sound-permeable window 10, and the ultrasonic conductive medium 20 is interposed between the ultrasonic transmitting unit 30 and the sound-permeable window 10, and the ultrasonic transmitting unit 30 and the outer casing 40 pass through the sealing unit.
  • the 90 seal since the open end of the outer casing has been sealed by the sound permeable window 10, thus forming a sealed cavity between the sound permeable window 10, the ultrasonic wave emitting unit 30 and the outer casing 40, in which the ultrasonic conductive medium 20 is located.
  • the sound-permeable window 10 is in contact with the skin of the patient, and the ultrasonic transmitting unit 30 Ultrasound is transmitted to the patient's skin through the ultrasound conductive medium 20 and the sound permeable window 10.
  • a through hole 31 may be opened in the middle of the ultrasonic wave emitting unit 30, and the ultrasonic conductive medium 20 may be poured into the sealed cavity through the through hole 31.
  • the through holes 31 may be disposed at other positions on the ultrasonic transmitting unit 30, which is not limited thereto.
  • the sound-permeable window 10 is made of a soft sound-permeable material.
  • the sound-permeable window 10 is made of polyurethane elastomer (TPU) or polytetrafluoroethylene, both of which are excellent sound-permeable materials.
  • the thickness of the sound-permeable window 10 is set to be less than 2 mm.
  • the ultrasonic conductive medium 20 is a soft substance.
  • the ultrasonic conductive medium 20 is a gel-like sound-permeable material whose characteristics are excellent in penetration of ultrasonic waves and low in energy loss.
  • the ultrasonically conductive medium 20 is within the sealed chamber, and the sealed chamber is capable of preventing gel-like sound permeable material from flowing out to avoid affecting ultrasonic conduction. Since the sound-transmissive window is made of a soft sound-permeable material, and the thickness of the sound-permeable window 10 is less than 2 mm, and the ultrasonic conductive medium 20 is made of a gel-like sound-permeable material, the portion of the ultrasonic treatment head that is in contact with the human body is soft.
  • the sealing unit includes a sealing jaw 92 disposed between the outer casing 40 and the ultrasonic wave emitting unit 30, and a pressing mechanism 93, which can deform the sealing jaw 92 to realize the ultrasonic transmitting unit 30 and A seal between the outer casings 40.
  • the pressing mechanism 93 includes a spinning ring 94 and a pressing sleeve 95.
  • the spinning ring 94 is locked in the outer casing 40, and the pressing sleeve 95 and the spinning ring are respectively 94 is connected, and the pressure sleeve 95 is in contact with the back surface of the ultrasonic wave transmitting unit 30.
  • the pressure sleeve 95 can be moved in the direction of the sound permeable window 10, thereby pressing the sealing jaw 92 to deform the sealing jaw 92.
  • a seal between the ultrasonic transmitting unit 30 and the outer casing 40 is achieved.
  • the sealing unit further comprises a sealing plug for sealing the perforations 31 in the middle of the ultrasonic emitting unit, and the sealing plug may be a silicone rubber or a silicone sealant or an AB glue.
  • the sealing unit may also include a housing 40 and an ultrasonic emission unit.
  • the sealant between the elements 30 fills the gap between the sealants by a sealant to form a seal.
  • the sealant may be a silicone rubber or a silicone sealant or an AB glue.
  • an impedance matching unit 60 is further included in the outer casing 40.
  • the cable 50 is sequentially connected to the impedance matching unit 60 and the ultrasonic transmitting unit 30.
  • the impedance matching of the impedance matching unit 60 the matching problem between the individual impedance difference of the ultrasonic transmitting unit 30 and the driving signal source can be solved.
  • the housing further includes a heat dissipation unit for dissipating heat from the ultrasonic wave emitting unit 30.
  • the heat dissipating unit includes an air inlet 42 and an air outlet 41 formed on the outer casing 40, and a fan 80 disposed in the outer casing 41.
  • the fan 80 is disposed at a position facing the back surface of the emitting surface of the ultrasonic transmitting unit.
  • the external cold air enters the outer casing 40 from the air inlet 42 and is discharged from the air outlet 42 through the fan 80 to carry away the heat generated when the ultrasonic transmitting unit 30 operates.
  • the air outlet 41 is provided near the sound permeable window 10, thereby avoiding the influence of the hot air discharged during the treatment on the operator.
  • the warm air is blown around the patient's treatment area, which improves the patient's comfort; promotes blood circulation and plays a certain auxiliary effect.
  • the heat dissipating unit further comprises a heat conducting layer coated on the back of the ultrasonic wave emitting unit.
  • the heat conductive layer may be a hygroscopic heat conductive material uniformly coated on the back surface of the ultrasonic wave emitting unit.
  • a metal backing may be provided on the back of the ultrasonic transmitting unit.
  • the stable output of the ultrasonic transmitting unit 30 is ensured, and the safety of the treatment is improved.
  • the height H of the ultrasonic transmitting unit 30 is 3 to 20 mm
  • the thickness t is 0.5 to 10 mm
  • the outer diameter D is 10 to 100 mm
  • the inner spherical radius is SR 10 to 100 mm.
  • the ultrasonic wave emitted by the ultrasonic wave transmitting unit 30 has a frequency of 0.3 to 3 MHz, a power of 0.1 to 10 W, a spatial peak time average sound intensity of 0.1 to 40 w/cm 2 , and a width of a focal field formed by ultrasonic waves (1 is 2 to 5 mm).
  • the length L is 3 ⁇ 12d, and the focal plane distance S is 3-80mm.
  • the difference between the ultrasonic treatment head and the embodiment 2 in this embodiment is that the ultrasonic conductive medium 20 is a liquid, and the structure of the heat dissipation unit is also different.
  • the ultrasonic conductive medium 20 is a liquid sound-permeable material, such as water, a frozen liquid or an oil.
  • the heat dissipating unit includes an ultrasonic conductive medium providing mechanism (not shown in Fig. 3), and an inlet pipe 51 and a liquid return pipe 52 connected between the ultrasonic conductive medium providing mechanism and the sealed chamber.
  • the through hole 31 is opened in the middle of the ultrasonic wave emitting unit 30, and the through hole 31 is sealed by the sealing plug 91.
  • the sealing plug 91 has a hole path through which the liquid inlet pipe 51 and the liquid return pipe 52 are specifically passed.
  • the hole path on the 91 and the perforation 31 on the ultrasonic wave emitting unit 30 thereby communicate the ultrasonic conductive medium supply mechanism with the sealed cavity, so that the inlet pipe 51 and the liquid return pipe 52 can circulate between the ultrasonic conductive medium supply mechanism and the sealed cavity. , to remove the heat generated when the ultrasonic transmitting unit 30 operates.

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Abstract

本发明提供一种超声治疗头，包括外壳和透声窗，外壳内有超声波发射单元，外壳的一端开口，所述开口由所述透声窗封闭，所述超声波发射单元通过透声窗向外发射超声波，其中，所述透声窗采用柔软的透声材料制成。相应地，还提供一种包含所述超声治疗头的超声治疗设备。采用本发明超声治疗头和超声治疗设备对患者进行治疗时能够明显提高患者的舒适感。

Description

超声治疗头以及超声治疗设备 技术领域
本发明属于超声治疗技术领域， 涉及一种超声治疗头以及包 含该超声治疗头的超声治疗设备。 背景技术
目前， 针对头颈部、 腰背部、 四肢部位软组织损伤性疼痛的 治疗主要有针灸治疗、 药物治疗和超声治疗。 对于超声治疗而言， 目前可以采用能够模拟针灸功能的超声设备， 比如超声针灸设备。 超声针灸设备能够模拟传统针灸中的针刺手法， 其工作的原理是 使超声波透过皮肤并在皮下汇聚， 利用汇聚产生的声能来模拟针 刺手法对人体穴位进行刺激， 以达到传统针灸的效果。 现有的超 声针灸设备中， 与人体接触的部分通常采用玻璃、 铜或铝等固态 物质制成， 存在能量输出不太稳定； 表面温升过快， 容易烫伤病 人皮肤等安全隐患； 以及质地偏硬， 且冷天初始使用时给患者带 来冰凉的不适感等舒适度不佳的缺陷。 发明内容
本发明所要解决的技术问题是针对现有技术中存在的上述不 足， 提供一种超声治疗头以及包含该超声治疗头的超声治疗设备， 采用本发明超声治疗头对患者进行治疗时能够明显提高患者的舒 适感。
解决本发明技术问题所采用的技术方案是该超声治疗头包括 外壳和透声窗， 外壳内有超声波发射单元， 外壳的一端开口， 所 述开口由所述透声窗封闭， 所述超声波发射单元通过透声窗向外 发射超声波， 其中， 所述透声窗采用柔软的透声材料制成。
优选的是， 透声窗外凸， 无卫生死角， 便于清洁、 消毒。 优选的是， 所述外壳内还包括有超声传导介质， 所述超声传 导介质设于超声波发射单元和透声窗之间， 且超声传导介质为柔 软的物质。
优选所述超声传导介质为凝胶状或液态。
优选的是， 所述透声窗、 超声波发射单元以及外壳之间形成 密封腔， 所述超声传导介质设于所述密封腔内。
进一步优选的是， 所述超声发射单元的中部设有穿孔， 通过 所述穿孔能够向所述密封腔内灌注所述超声传导介质。
更优选的是， 所述外壳内还包括有用于使超声波发射单元与 外壳密封的密封单元。
优选的是， 所述密封单元包括设于外壳和超声波发射单元之 间的密封圏、 以及压紧机构， 所述压紧机构使所述密封圏发生变 形而实现超声波发射单元与外壳的密封； 或者，
所述密封单元包括设于外壳和超声波发射单元之间的密封 胶， 所述密封胶为硅橡胶或硅酮密封胶或 AB胶； 和 /或， 所述密 封单元包括用于对超声发射单元中部的所述穿孔进行密封的密封 塞。
所述外壳内还包括有用于对超声波发射单元进行散热的散热 单元。
优选的是， 所述散热单元包括开设在外壳上的进风口和出风 口、 以及设于外壳内的风扇， 所述进风口和出风口分别设于外壳 的不同侧面上， 外部冷空气从进风口进入外壳， 经所述风扇后从 出风口中排出， 以将超声波发射单元工作时产生的热量带走。
进一步优选的是， 所述散热单元还包括涂覆于超声波发射单 元后背上的导热层。
优选所述导热层为均勾涂覆于超声波发射单元后背上的吸湿 性导热材料， 所述超声波发射单元的后背上还设有金属背衬。
优选的是， 出风口设在透声窗附近， 避免了治疗时排出的热 气对操作者的影响。 同时， 温热的空气吹到病人治疗区域周围， 提高了病人的舒适感； 促进血液循环， 起到一定的辅助疗效。
或者， 优选所述超声传导介质为液体， 所述散热单元包括超 声传导介质提供机构、 以及连接在所述超声传导介质提供机构与 所述密封腔之间的进液管和回液管， 所述超声传导介质通过进液 管和回液管在超声传导介质提供机构与密封腔之间循环流动， 以 将超声波发射单元工作时产生的热量带走。
优选所述透声窗采用聚氨酯弹性体或聚四氟乙烯制成， 透声 窗的厚度小于 2mm。
优选的是， 所述超声波发射单元发射的超声波的频率为 0.3~3MHz, 功率为 0.1 10W, 空间峰值时间平均声强为 0.1~40w /cm2, 超声波所形成的焦域的宽度为 2~5mm, 焦域的长度为其宽 度的 3~12倍， 焦平面距离为 3-80mm; 所述超声波发射单元的高 度为 3~20mm, 厚度为 0.5~10mm, 外直径为 10~100mm, 内球半 径为 10~100mm。
本发明还提供一种超声治疗设备， 其包括超声治疗头， 所述 超声治疗头采用上述超声治疗头。
由于本发明超声治疗头中的透声窗采用柔软的透声材料制 成， 同时超声传导介质也采用柔软的物质， 使得超声治疗头与人 体接触的部分质地柔软， 触感舒适； 并且， 治疗头表面温度不至 于太低， 治疗过程中还有温热感， 且冬夏适用， 季节适应性强， 能有效提高患者治疗时的舒适度， 进一步减轻患者治疗时的痛苦。 同时， 也提高了治疗的安全性。
本发明超声治疗头特别适用于治疗头颈部、 腰背部、 四肢部 等部位的软组织损伤性疼痛。 附图说明
图 1是本发明实施例 1中超声治疗头的结构原理图； 图 2是本发明实施例 2中超声治疗头的结构示意图； 图 3是本发明实施例 3中超声治疗头的结构示意图。
图 4是本发明实施例 2中的压紧机构的结构示意图。
图中： 10-透声窗； 20-超声传导介质； 30-超声波发射单元； 31-穿孔； 40-外壳； 41-出风口； 42-进风口； 50-线缆； 51-进液管； 52-回液管； 60-阻抗匹配单元； 70-治疗头控制单元； 80-风扇； 90- 密封单元； 91-密封塞； 92-密封圏； 93-压紧机构； 94-旋压环； 95- 压套。 具体实施方式
为使本领域技术人员更好地理解本发明的技术方案， 下面结 合附图和具体实施方式对本发明作进一步详细描述。
实施例 1 :
本实施例提供一种超声治疗设备， 包括超声治疗头。
如图 1所示，本实施例中的超声治疗头包括外壳 40和透声窗 10, 外壳 40内有超声波发射单元 30, 外壳 40的一端开口， 所述 开口由透声窗 10封闭， 超声波发射单元 30透过透声窗 10向外发 射超声波， 透声窗 10采用柔软的透声材料制成。 实施例 2:
本实施例提供一种超声治疗设备， 包括主机和与主机通过线 缆 50相连的超声治疗头。 所述线缆 50用于将所述主机发出的超 声波驱动信号和控制信号传输至所述超声治疗头中。
本实施例中， 该超声治疗设备具体是一种超声针灸设备， 主 要用于治疗软组织损伤及肌肉疼痛。
如图 2所示， 本实施例中的超声治疗头包括外壳 40、 透声窗 10。 外壳 40的一端开口， 所述开口由透声窗 10密封， 外壳 40内 有超声波发射单元 30、 治疗头控制单元 70、 密封单元 90和超声 传导介质 20 (即耦合介质）。 所述超声波发射单元 30用于发射超 声波， 所述治疗头控制单元 70用于控制超声波的输出和停止。 所 述超声波发射单元 30设于外壳内靠近透声窗 10的一端， 所述超 声传导介质 20介于超声波发射单元 30和透声窗 10之间， 超声波 发射单元 30以及外壳 40之间通过密封单元 90密封， 由于外壳的 开口端已经由透声窗 10密封， 这样， 在透声窗 10、 超声波发射单 元 30以及外壳 40之间形成了一个密封腔， 超声传导介质 20处于 所述密封腔内。透声窗 10与患者的皮肤接触，超声波发射单元 30 透过超声传导介质 20以及透声窗 10向患者皮肤发射超声波。 另 外，在超声波发射单元 30的中部还可以开设有穿孔 31 ,通过穿孔 31可以向所述密封腔中灌注超声传导介质 20。 当然， 穿孔 31也 可设于超声波发射单元 30上的其他位置， 对此不作限定。
其中， 透声窗 10采用柔软的透声材料制成。 本实施例中， 透 声窗 10采用聚氨脂弹性体（TPU )或聚四氟乙烯制成， 这两种材 料都是优良的透声材料。 且透声窗 10的厚度设置为小于 2mm。
优选的是， 超声传导介质 20采用柔软的物质。 具体地， 本实 施例中， 超声传导介质 20采用凝胶状透声材料， 所述凝胶状透声 材料的特性是超声波的穿透性好， 能量损失小。 所述超声传导介 质 20处于所述密封腔内， 密封腔能够防止凝胶状透声材料流出， 以避免影响超声传导。 由于透声窗采用柔软的透声材料制成， 且 透声窗 10的厚度小于 2mm, 同时超声传导介质 20采用凝胶状透 声材料， 这样就使得超声治疗头与人体接触的部分质地柔软， 解决 了患者在进行治疗时舒适度不够的问题，且透声窗 10表面温度不会 太低， 治疗过程中还有温热感， 冬夏适用， 季节适应性强， 能有 效提高患者治疗时的舒适感。
优选的是，所述密封单元包括设于外壳 40和超声波发射单元 30之间的密封圏 92、 以及压紧机构 93 , 所述压紧机构能使密封圏 92发生变形而实现超声波发射单元 30与外壳 40之间的密封。
具体地， 本实施例中， 如图 4所示， 所述压紧机构 93包括旋 压环 94和压套 95, 所述旋压环 94卡设在外壳 40内， 压套 95与 旋压环 94连接， 且压套 95与超声波发射单元 30的背面接触， 通 过旋转旋压环 94可以带动压套 95向透声窗 10的方向移动， 从而 压紧密封圏 92, 以使密封圏 92发生变形而实现超声波发射单元 30与外壳 40之间的密封。
优选的是， 所述密封单元还包括用于对超声发射单元中部的 所述穿孔 31进行密封的密封塞， 所述密封塞可以为硅橡胶或硅酮 密封胶或 AB胶。
或者，所述密封单元也可以包括设于外壳 40和超声波发射单 元 30之间的密封胶， 通过密封胶来填充两者之间的间隙， 以形成 密封。 所述密封胶可以为硅橡胶或硅酮密封胶或 AB胶。
优选的是， 外壳 40 内还包括有阻抗匹配单元 60。 其中线缆 50与阻抗匹配单元 60、 超声波发射单元 30依次连接， 通过所述 阻抗匹配单元 60的阻抗匹配， 能够解决超声波发射单元 30的个 体阻抗差异与驱动信号源之间的匹配问题。
优选的是，所述外壳内还包括有用于对超声波发射单元 30进 行散热的散热单元。
本实施例中， 所述散热单元包括开设在外壳 40 上的进风口 42和出风口 41、 以及设于外壳 41内的风扇 80,风扇 80设置在正 对超声波发射单元的发射面背面的位置， 外部冷空气从进风口 42 进入外壳 40, 经风扇 80后从出风口 42中排出， 以将超声波发射 单元 30工作时产生的热量带走。
本实施例中， 出风口 41设在透声窗 10附近， 避免了治疗时 排出的热气对操作者的影响。 同时， 温热的空气吹到病人治疗区 域周围， 提高了病人的舒适感； 促进血液循环， 起到一定的辅助 疗效。
优选的是， 所述散热单元还包括涂覆于超声波发射单元后背 上的导热层。 具体地， 所述导热层可以为均勾涂覆于超声波发射 单元后背上的吸湿性导热材料。
优选所述超声波发射单元的后背上还可设有金属背衬。 以进 一步提升散热效果， 保障超声波发射单元 30的稳定输出， 提高治 疗的安全性。
本实施例中，所采用超声波发射单元 30的高度 H为 3~20mm, 厚度 t 为 0.5~10mm, 其外直径 D 为 10~100mm, 内球半径为 SR10~100mm。
所述超声波发射单元 30发射的超声波的频率为 0.3~3MHz, 功率为 0.1~10W, 空间峰值时间平均声强为 0.1~40w/cm2, 超声波 所形成的焦域的宽度（1为 2~5mm, 长度 L为 3~12d, 焦平面距离 S为 3-80mm。 实施例 3:
如图 3所示，本实施例中超声治疗头与实施例 2的区别在于： 超声传导介质 20采用液体， 且散热单元的结构也不相同。
本实施例中， 所述超声传导介质 20采用液态透声材料， 比如 可以为水、 冷冻液或油。
本实施例中， 所述散热单元包括超声传导介质提供机构 （图 3中未示出）、 以及连接在所述超声传导介质提供机构与密封腔之 间的进液管 51和回液管 52。 其中， 超声波发射单元 30中部开设 有穿孔 31 , 而穿孔 31由密封塞 91封堵， 密封塞 91上开有孔路， 所述进液管 51和回液管 52具体是穿过所述密封塞 91上的孔路以 及超声波发射单元 30上的穿孔 31从而将超声传导介质提供机构 与密封腔连通， 使得进液管 51和回液管 52在超声传导介质提供 机构与密封腔之间能够循环流动， 以将超声波发射单元 30工作时 产生的热量带走。
本实施例中超声治疗头的其他结构均与实施例 2相同， 这里 不再赘述。 可以理解的是， 以上实施方式仅仅是为了说明本发明的原理 而采用的示例性实施方式， 然而本发明并不局限于此。 对于本领 域内的普通技术人员而言， 在不脱离本发明的精神和实质的情况 下， 可以做出各种变型和改进， 这些变型和改进也视为本发明的 保护范围。

Claims

权 利 要 求 书
1. 一种超声治疗头， 包括外壳和透声窗， 外壳内有超声波发 射单元， 外壳的一端开口， 所述开口由所述透声窗封闭， 所述超 声波发射单元通过透声窗向外发射超声波， 其特征在于， 所述透 声窗采用柔软的透声材料制成。
2. 根据权利要求 1所述的超声治疗头， 其特征在于， 所述外 壳内还包括有超声传导介质， 所述超声传导介质设于超声波发射 单元和透声窗之间， 且超声传导介质为柔软的物质。
3. 根据权利要求 2所述的超声治疗头， 其特征在于， 所述超 声传导介质为凝胶状或液态。
4. 根据权利要求 2所述的超声治疗头， 其特征在于， 所述透 声窗、 超声波发射单元以及外壳之间形成密封腔， 所述超声传导 介质设于所述密封腔内。
5. 根据权利要求 4所述的超声治疗头， 其特征在于， 所述超 声发射单元的中部设有穿孔， 通过所述穿孔能够向所述密封腔内 灌注所述超声传导介质。
6. 根据权利要求 5所述的超声治疗头， 其特征在于， 所述外 壳内还包括有用于使超声波发射单元与外壳密封的密封单元。
7. 根据权利要求 6所述的超声治疗头， 其特征在于， 所述密 封单元包括设于外壳和超声波发射单元之间的密封圏、 以及压紧 机构， 所述压紧机构使所述密封圏发生变形而实现超声波发射单 元与外壳的密封；
或者， 所述密封单元包括设于外壳和超声波发射单元之间的密封 胶， 所述密封胶为硅橡胶或硅酮密封胶或 AB胶； 和 /或， 所述密 封单元包括用于对超声发射单元中部的所述穿孔进行密封的密封 塞。
8. 根据权利要求 6所述的超声治疗头， 其特征在于， 所述外 壳内还包括有用于对超声波发射单元进行散热的散热单元。
9. 根据权利要求 8所述的超声治疗头， 其特征在于， 所述散 热单元包括开设在外壳上的进风口和出风口、 以及设于外壳内的 风扇， 所述进风口和出风口分别设于外壳的不同侧面上， 外部冷 空气从进风口进入外壳， 经所述风扇后从出风口中排出， 以将超 声波发射单元工作时产生的热量带走。
10. 根据权利要求 9 所述的超声治疗头， 其特征在于， 所述 散热单元还包括涂覆于超声波发射单元后背上的导热层。
11. 根据权利要求 10所述的超声治疗头， 其特征在于， 所述 导热层为均勾涂覆于超声波发射单元后背上的吸湿性导热材料， 所述超声波发射单元的后背上还设有金属背衬。
12. 根据权利要求 8 所述的超声治疗头， 其特征在于， 所述 超声传导介质为液体， 所述散热单元包括超声传导介质提供机构、 以及连接在所述超声传导介质提供机构与所述密封腔之间的进液 管和回液管， 所述超声传导介质通过进液管和回液管在超声传导 介质提供机构与密封腔之间循环流动， 以将超声波发射单元工作 时产生的热量带走。
13.根据权利要求 1-12之一所述的超声治疗头，其特征在于， 所述透声窗采用聚氨酯弹性体或聚四氟乙烯制成， 透声窗的厚度 小于 2mm。
14.根据权利要求 1-12之一所述的超声治疗头，其特征在于， 所述超声波发射单元发射的超声波的频率为 0.3~3MHz, 功率为 0.1-10W, 空间峰值时间平均声强为 0.1~40w /cm2, 超声波所形成 的焦域的宽度为 2~5mm, 焦域的长度为其宽度的 3~12倍， 焦平 面距离为 3-80mm; 所述超声波发射单元的高度为 3~20mm, 厚度 为 0.5~10mm, 外直径为 10~100mm, 内球半径为 10~100mm。
15. —种超声治疗设备， 包括超声治疗头， 其特征在于， 所 述超声治疗头采用权利要求 1 - 14之一所述的超声治疗头。
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KR20170005190A (ko) 2017-01-11
CN103961806A (zh) 2014-08-06
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AU2014211852A1 (en) 2015-09-17
JP6481244B2 (ja) 2019-03-13
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AU2014211852B2 (en) 2016-07-21
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