US 12,076,294 B2
Negative pressure massage device with cold feeling mechanism and massage stick thereof
Po-Chang Liu, Taoyuan (TW); and Li-Pin Yuan, Taoyuan (TW)
Assigned to BIBOTING INTERNATIONAL CO., LTD., Taoyuan (TW); and Po-Chang Liu, Taoyuan (TW)
Filed by BIBOTING INTERNATIONAL CO., LTD., Taoyuan (TW); and Po-Chang Liu, Taoyuan (TW)
Filed on Sep. 30, 2020, as Appl. No. 17/037,794.
Prior Publication US 2022/0096312 A1, Mar. 31, 2022
Int. Cl. A61H 9/00 (2006.01); A61H 23/00 (2006.01)
CPC A61H 9/0057 (2013.01) [A61H 23/00 (2013.01); A61H 2201/0153 (2013.01); A61H 2201/0214 (2013.01); A61H 2201/0285 (2013.01); A61H 2201/105 (2013.01); A61H 2201/1238 (2013.01); A61H 2201/1409 (2013.01); A61H 2201/5025 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A negative pressure massage device with cold feeling mechanism, comprising:
a negative pressure massage stick comprising:
a stick body comprising a cover assembly, an end cover and a temperature transmitting member connected to two ends of the cover assembly, respectively, and an air pipe; the end cover comprising a negative pressure connection hole and a first connection port, the temperature transmitting member comprising a circular disk, a block extending from an inner surface of the circular disk, and a suction port, the air pipe communicating with the negative pressure connection hole and the suction port;
a refrigeration module arranged inside of the stick body, the refrigeration module comprising a thermoelectric cooling chip mounted on a chip container formed on an outer surface of the block and a heat sink; the thermoelectric cooling chip electrically connected to the first connection port, and the thermoelectric cooling chip comprising a cold end and a hot end, the cold end attached to the temperature transmitting member, the hot end thermally contacted with the heat sink; and
a rim cap installed outside of the stick body, comprising a rim disc and a hollow column extending from the rim disc; wherein the hollow column is inserted into and sheathed in an inner surface of the block so that the rim disc encloses an outer surface of the circular disk opposite to the inner surface of the circular disk;
an external negative pressure generator arranged separately from the negative pressure massage stick, the external negative pressure generator comprising a housing, a negative pressure drive control module arranged in the housing, and a second connection port; the negative pressure drive control module comprising an air pipe assembly, and the air pipe assembly comprising a negative pressure aperture arranged in the housing;
a connection pipe, two ends of the connection pipe respectively connected to the negative pressure aperture and the negative pressure connection hole; and
a conductive wire, two ends of the conductive wire respectively connected to the first connection port and the second connection port.