# US 12,599,355 B2 · Stethoscope kit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,599,355 B2 - Document ID: US12599355B2 - Status: Granted - Kind: B2 - Application number: 18/494,517 - Filed: 2023-10-25 - Published: 2024-05-09 - Granted: 2026-04-14 - Earliest claimed: 2021-11-18 - Assignees: Binjiang Institute of Zhejiang University - Applicants: Binjiang Institute of Zhejiang University - Inventors: Weize Xu; Qiang Shu - Web page: https://patentgrep.com/patent/US12599355B2 ## CPC - A61B 7/04: Electric stethoscopes - A61B 2562/0204: Acoustic sensors - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A stethoscope kit includes a storage cylinder, a protective shell and an electronic stethoscope. The storage cylinder includes a base and a cylinder body. The protective shell is configured to be sleeved on the cylinder body. Two sides of the cylinder body are each symmetrically provided with a groove. A bottom of the groove is provided with an accommodating groove configured to accommodate the electronic stethoscope. A bottom of the accommodating groove is attached to a bottom of the electronic stethoscope through an attraction mechanism. A charging device is provided in the cylinder body. When the electronic stethoscope is placed in the accommodating groove, the charging device is configured to charge the electronic stethoscope. ## Claims ### Claim 1 A stethoscope kit, comprising: a storage cylinder; a protective shell; and an electronic stethoscope; wherein the storage cylinder comprises a base and a cylinder body; the protective shell is adapted to be sleeved on the cylinder body; two sides of the cylinder body are each symmetrically provided with a recess; a bottom of the recess is provided with an accommodating groove to accommodate the electronic stethoscope; a bottom of the electronic stethoscope is attached to a bottom of the accommodating groove through an attraction mechanism; a charging device is provided in the cylinder body; the charging device is configured to charge the electronic stethoscope when the electronic stethoscope is placed in the accommodating groove; the charging device comprises a charging wire and a plurality of engagement devices; the charging wire is provided on the base; the plurality of engagement devices are in one-to-one correspondence with the accommodating groove; each of the plurality of engagement devices comprises a first drive motor, a running channel, a rack and an engagement part; the running channel comprises a first channel and a second channel; an accommodating cavity is provided in the cylinder body; a first end of the first channel is communicated with the accommodating cavity, and a second end of the first channel is communicated with the second channel; the second channel is arranged around a side wall of the accommodating groove, and the side wall of the accommodating groove is provided with an opening communicated with the second channel; the engagement part is electrically connected with the charging wire; the engagement part is provided on an end of the rack; a side wall of the electronic stethoscope is provided with an engagement block; a side wall of the engagement block is provided with an engagement groove configured for insertion of the engagement part; the first drive motor is provided on a side of the accommodating cavity; an output shaft of the first drive motor is provided with a drive gear configured to be engaged with the rack; the first drive motor is configured to drive the rack to move along the running channel; the engagement part is located in the first channel in a non-operation state; an interior of the cylinder body is provided with a first control device configured to control the first drive motor; and the bottom of the accommodating groove is provided with a pressure sensor, and the pressure sensor is configured to sense pressure change to determine whether the electronic stethoscope is placed in the accommodating groove. ### Claim 2 (depends on 1) The stethoscope kit of claim 1, wherein the electronic stethoscope comprises a case, a microphone and a second control device; the microphone and the second control device are provided in the case; the second control device is provided with a wireless transmission device; a top of the case is provided with a start switch; a sound-receiving end of the microphone extends out of a bottom of the case; the top of the case is provided with a mounting groove; a bottom of the mounting groove is provided with a light-emitting diode (LED); and the mounting groove is filled with a transparent filling block. ### Claim 3 (depends on 2) The stethoscope kit of claim 2, wherein the attraction mechanism comprises a first magnet group and a second magnet group; the first magnet group comprises a plurality of first magnets, and the second magnet group comprises a plurality of second magnets; the first magnet group is provided on the bottom of the accommodating groove; the plurality of first magnets are evenly distributed along a circumference of the accommodating groove; the bottom of the case is provided with an embedding groove configured for embedding of the plurality of first magnets; and the plurality of second magnets are evenly distributed along a circumference of the embedding groove. ### Claim 4 (depends on 2) The stethoscope kit of claim 2, wherein a side of the base is provided with a slot; a cavity is provided in the base; a wire winding device is provided in the cavity; the slot is communicated with the cavity of the base; the wire winding device comprises a second drive motor and a wire winding reel; the charging wire comprises a plug and a conductive wire; the slot is configured to accommodate the plug; the second drive motor is configured to drive the wire winding reel to rotate, so as to wind the conductive wire; and a side wall of the base is provided with a control button, and the control button is configured to control operation of the second drive motor. ### Claim 5 (depends on 1) The stethoscope kit of claim 1, wherein the base is provided with an insertion slot around the cylinder body; and a bottom of the protective shell is provided with a protrusion configured to be inserted into the insertion slot. ### Claim 6 (depends on 1) The stethoscope kit of claim 1, wherein a top of the protective shell is provided with a hole.