Multipath heart sound synchronous stethoscope

Abstract

The utility model discloses a multi-path heart sound synchronous stethoscope, relates to the technical field of stethoscopes, and solves the problem that a plurality of auscultation ends of a multi-path heart sound stethoscope in the prior art cannot be quickly connected and fixed with a human body during auscultation, so that the operation is inconvenient. The stethoscope comprises a data bus used for being connected with a receiver, the data bus is respectively connected with a plurality of heart sound lines, the heart sound lines are connected with a connector and connected with a stethoscope head through the connector, an adsorption structure is arranged on the stethoscope head, a heart sound sensor is arranged in the stethoscope head, and the heart sound sensor is connected with the receiver. And the heart sound sensor is connected with the connecting joint. The adsorption structures are arranged on the auscultation heads, the auscultation heads can be fixedly connected with the human body in an adsorption mode in the actual use process, the two hands are liberated, and connection is convenient, fast and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to stethoscope technical field, especially a kind of multi-path heart sound synchronous stethoscope. BACKGROUND

[0002] Heart sound is due to the switching of heart valve, the relaxation and contraction of muscle tendon and muscle, the impact of blood flow and the vibration of cardiovascular wall and generates a kind of compound sound. The phonocardiogram is the display heart sound and heart additional sound, noise figure, and phonocardiogram has great effect on determining the shape and frequency composition of heart noise. To obtain phonocardiogram, multi-path heart sound synchronous stethoscope is usually used for multi-path simultaneous auscultation.

[0003] The utility model discloses a kind of multi-path heart sound synchronous auscultation sensors, including data connector and heart sound sensor, the heart sound sensor is connected with wire, the wire other end is connected with data plug, data socket for data plug insertion is equipped on the data connector, the data connector is close to data socket one end and is provided with protection assembly, positioning assembly is further provided on the protection assembly, first, the utility model is provided with protection assembly at the connecting portion of data connector and data plug, protection assembly can effectively protect data socket on data connector when not in use, dust and sundries in it enter socket interior and cause influence to use;Second, positioning assembly after data plug and data connector are connected is further provided on protection assembly, positioning assembly plays the role of strengthening connection, avoids the disengagement caused by unintentional pulling during the use of data plug, and guarantees use stability.

[0004] In the scheme, heart sound sensor is used to collect multi-path heart sound, and in actual use, there is lack of matched structure for connecting and fixing with human body, and multi-path heart sound sensor needs to be held for auscultation when collecting heart sound, so that operation is inconvenient. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the above background art, the utility model provides a kind of multi-path heart sound synchronous stethoscope, solve the multiple auscultation end of multi-path heart sound stethoscope in prior art cannot be realized when auscultation and human body quick connection fixed, leading to the problem of inconvenient operation.

[0006] The technical scheme of the utility model is realized as follows: a kind of multi-path heart sound synchronous stethoscope, including the data bus for being connected with receiver, the data bus is connected with several heart sound lines respectively, heart sound line is connected with connecting terminal, and is connected with auscultation head by connecting terminal, the auscultation head is equipped with adsorption structure, the auscultation head is equipped with heart sound sensor, heart sound sensor is connected with connecting terminal.

[0007] Preferably, the auscultation head comprises an inner casing and an outer casing which are sleeved, the open ends of the inner casing and the outer casing are flush, a gap is left between the inner casing and the outer casing and a ring-shaped opening is formed at the end face to communicate the gap, the inner casing and the outer casing are fixedly connected through a connecting block, the open end of the inner casing is provided with a pickup membrane, and the heart sound sensor is arranged in the inner casing and cooperates with the pickup membrane.

[0008] Preferably, the adsorption structure comprises a connecting mouth arranged on the outer casing, the connecting mouth communicates with the gap between the inner casing and the outer casing, and an elastic air bag is sleeved on the connecting mouth.

[0009] Preferably, the open ends of the inner casing and the outer casing are provided with sealing rings. The open ends of the inner casing and the outer casing are provided with insertion grooves, and the sealing rings are provided with insertion plugs which are insertedly matched with the insertion grooves.

[0010] Preferably, the inner casing is connected with a catheter, and the end of the catheter penetrates out of the outer casing. The connecting joint comprises a connecting male head arranged at the end of the catheter, a threaded connection cap which is rotatably arranged outside the connecting male head, a connecting female head arranged at the end of the heart sound wire, and an outer thread arranged outside the connecting female head and matched with the threaded connection cap.

[0011] Preferably, the cable of the heart sound sensor is connected with terminal I through the inner hole of the catheter, the terminal I is fixedly arranged in the middle part of the connecting male head, the middle part of the connecting female head is provided with terminal II, the terminal I and the terminal II are insertedly matched, and the terminal II is connected with the inner conductor of the heart sound wire. The heart sound wire is a spiral wire.

[0012] The auscultation head of the utility model has the advantages that multiple auscultation heads are arranged to cooperate with the heart sound sensor to simultaneously realize the acquisition of multiple heart sounds, the auscultation head can be disassembled through the connecting joint, the auscultation head is convenient to store and replace, and the occupied space in the non-use state is reduced. The auscultation head is connected with the human body in the adsorption mode in actual use, the hands are freed, and the connection is convenient and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model, the drawings needed in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a structural schematic view of the stethoscope of the utility model;

[0015] Figure 2 It is a structural schematic view of the auscultation head of the utility model;

[0016] Figure 3 It is a cross section structure schematic view of the auscultation head of the utility model;

[0017] In the figure: 1: data bus, 2: heart sound line, 3: connecting joint, 4: auscultation head, 5: adsorption structure, 6: heart sound sensor, 41: inner shell, 42: outer shell, 43: connecting block, 44: sound pickup membrane, 51: connecting nozzle, 52: elastic air bag, 45: sealing ring, 46: conduit, 31: connecting male head, 32: threaded connection cap, 33: connecting female head, 34: terminal I, 35: terminal II. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] As shown in Figure 1 , 2 , 3, embodiment 1, a multi-path heart sound synchronous stethoscope, comprising a data bus 1 for connecting with a receiver, the data bus 1 is connected with a plurality of heart sound lines 2 respectively, the heart sound line 2 is connected with a connecting joint 3, and the auscultation head 4 is connected through the connecting joint 3. In the embodiment, the heart sound line 2 adopts a spiral line or a spiral line segment is arranged on the heart sound line, so that the heart sound lines connected by the plurality of auscultation heads can be stretched to different lengths, and the auscultation requirements of different positions are adapted respectively.

[0020] In the embodiment, in order to solve the inconvenient operation problem existing in the prior art, the auscultation head 4 is provided with an adsorption structure 5, which can be connected and fixed with the human body in an adsorption mode in actual use, freeing the hands, and the connection is convenient and reliable, and the convenience of the auscultation operation is improved. The auscultation head 4 is provided with a heart sound sensor 6, and the heart sound sensor 6 is connected with the connecting joint 3. Through the cooperation of the plurality of auscultation heads and the heart sound sensor, the multi-path heart sound can be acquired simultaneously, and the acquired signal is connected with the receiver through the heart sound line and the data bus, and the receiver can be a conventional computer, an information collector or other conventional equipment. In addition, in the embodiment, the connecting joint is arranged, the auscultation head can be disassembled in a non-use state, convenient storage and replacement with the auscultation head when damaged, and the occupied space in the non-use state can be reduced.

[0021] As a further specific embodiment, in the embodiment, as shown in Figure 3As shown, the auscultation head 4 comprises an inner casing 41 and an outer casing 42, both of which are open-structured casings in the shape of a bowl. The open ends of the inner casing 41 and the outer casing 42 are flush with each other, and a gap is left between the inner casing 41 and the outer casing 42, forming an annular opening at the end face. In this embodiment, the adsorption structure is arranged on the outer casing and communicates with the gap between the outer casing and the inner casing, so that the negative pressure generated during use can act on the skin at the position corresponding to the annular opening, achieving the purpose of adsorption.

[0022] In addition, in this embodiment, the inner casing 41 and the outer casing 42 are fixedly connected by a connecting block 43. The open end of the inner casing 41 is provided with a pickup membrane 44, and the heart sound sensor 6 is arranged in the inner casing 41 and cooperates with the pickup membrane 44. In use, the end face of the inner casing is in contact with the human body, and the heart sound at the corresponding position is transmitted to the pickup membrane. The pickup membrane acquires and amplifies the sound and transmits it to the heart sound sensor, which converts it into an electrical signal and transmits it to the receiver through the heart sound line and the data bus.

[0023] As a further optional solution, in this embodiment, a support is arranged in the inner casing for supporting and fixing the heart sound sensor. The heart sound sensor can be a conventional piezoelectric heart sound sensor. After the pickup membrane receives the heart sound, it vibrates and is amplified, and is picked up by the trigger end of the heart sound sensor and converted into an electrical signal for transmission.

[0024] In Embodiment 2, based on Embodiment 1, Figure 3 As shown, the adsorption structure 5 comprises a connecting mouth 51 arranged on the outer casing 42, which communicates with the gap between the inner casing 41 and the outer casing 42, and a flexible air bag 52 is arranged on the connecting mouth 51. When adsorption is needed, the flexible air bag 52 is pinched, and the internal gas is squeezed out from the annular opening through the connecting mouth and the gap. Then, the end faces of the inner casing and the outer casing are attached to the skin at the position corresponding to the heart of the human body. Under the resetting action of the flexible air bag, a continuous negative pressure is generated, which is applied to the skin of the human body from the annular opening, thereby achieving the purpose of adsorption.

[0025] As a further specific embodiment, the open ends of the inner casing 41 and the outer casing 42 are each provided with a sealing ring 45. In this embodiment, the sealing ring 45 is made of rubber, which can better fit the human body and reduce air leakage during adsorption. The sealing ring is detachably fixed to the inner casing and the outer casing, so that it can be replaced after long-term use. In this embodiment, the open ends of the inner casing 41 and the outer casing 42 are each provided with a slot, and the sealing ring 45 is provided with a plug. The plug and the slot are inserted and cooperated with each other, and both the slot and the plug are arranged in a circumferential shape, achieving the purpose of detachable connection and maintaining the sealing effect.

[0026] In the embodiment 3, the inner housing 41 is connected with a conduit 46, the conduit 46 is provided with a through hole at the end thereof, and the cable of the heart sound sensor is provided with a through channel. In addition, in the embodiment, the connecting joint 3 comprises a connecting male head 31 arranged at the end of the conduit 46, a threaded connecting cap 32 arranged at the outer side of the connecting male head 31, a connecting female head 33 arranged at the end of the heart sound cable 2, and the connecting female head 33 is inserted into the connecting male head 31. The threaded connecting cap 32 is internally provided with an internal thread, and the connecting female head 33 is externally provided with an external thread matched with the threaded connecting cap 32.

[0027] In addition, the cable of the heart sound sensor 6 is connected with the terminal I 34 through the inner hole of the conduit 46, the terminal I 34 is fixedly arranged at the middle part of the connecting male head 31, the terminal II 35 is arranged at the middle part of the connecting female head 33, the terminal I 34 and the terminal II 35 are inserted and matched, and the terminal II 35 is connected with the inner conductor of the heart sound cable 2. The inner conductor of the heart sound cable is connected with the inner conductor of the data bus, and the data bus is connected with the receiver through a conventional cable plug arranged at the end of the data bus.

[0028] When the heart sound cable is connected with the auscultation head 4 through the connecting joint, the terminal I 34 and the terminal II 35 are firstly matched and connected, the connecting male head 31 and the cable female head 32 are synchronously inserted and matched during the inserting process, and finally the threaded connecting cap is screwed with the connecting female head to realize the fixation.

[0029] As a further optional embodiment, the air holes are arranged on the side wall of the conduit to satisfy the air pressure balance in the inner housing when the sound pickup membrane vibrates.

[0030] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-channel heart sound synchronous stethoscope comprising a data bus (1) for connection to a receiver, characterized in that: The data bus (1) is connected with several heart sound lines (2) respectively, the heart sound line (2) is connected with the connecting connector (3), and the auscultation head (4) is connected through the connecting connector (3), the auscultation head (4) is provided with the adsorption structure (5), the auscultation head (4) is provided with the heart sound sensor (6), and the heart sound sensor (6) is connected with the connecting connector (3).

2. The multi-channel heart sound synchronous auscultator according to claim 1, characterized in that: The auscultation head (4) comprises an inner shell (41) and an outer shell (42) sleeved inside and outside, the opening end faces of the inner shell (41) and the outer shell (42) are flush, and a gap is left between the inner shell (41) and the outer shell (42) and an annular opening is formed at the end face.

3. The multi-channel heart sound synchronous auscultator according to claim 2, characterized in that: The inner shell (41) and the outer shell (42) are fixedly connected through the connecting block (43), the opening end of the inner shell (41) is provided with a pickup membrane (44), and the heart sound sensor (6) is arranged in the inner shell (41) and matched with the pickup membrane (44).

4. The multi-channel heart sound synchronous auscultator according to claim 3, characterized in that: The adsorption structure (5) comprises a connecting mouth (51) arranged on the outer shell (42), the connecting mouth (51) is communicated with the gap between the inner shell (41) and the outer shell (42), and the elastic air bag (52) is sleeved on the connecting mouth (51).

5. The multi-channel heart sound synchronous auscultator according to claim 4, characterized in that: The opening end of the inner shell (41) and the outer shell (42) is provided with a sealing ring (45).

6. The multi-channel heart sound synchronous auscultator according to claim 5, characterized in that: The opening end of the inner shell (41) and the outer shell (42) is provided with a slot, and the sealing ring (45) is provided with a plug, and the plug is inserted and matched with the slot.

7. The multi-channel synchronous auscultator according to any one of claims 2 to 6, characterized in that: The inner shell (41) is connected with a catheter (46), and the end of the catheter (46) penetrates out of the outer shell (42).

8. The multi-channel heart sound synchronous auscultator according to claim 7, characterized in that: The connecting connector (3) comprises a connecting male head (31) arranged at the end of the catheter (46), a threaded connection cap (32) rotatably arranged outside the connecting male head (31), a connecting female head (33) arranged at the end of the heart sound line (2), and an outer thread arranged on the outer side of the connecting female head (33) and matched with the threaded connection cap (32).

9. The multi-channel heart sound synchronous auscultator according to claim 8, characterized in that: The cable of the heart sound sensor (6) is connected with the terminal I (34) through the inner hole of the catheter (46), the terminal I (34) is fixedly arranged in the middle of the connecting male head (31), the terminal II (35) is arranged in the middle of the connecting female head (33), the terminal I (34) and the terminal II (35) are inserted and matched, and the terminal II (35) is connected with the inner conductor of the heart sound line (2).

10. The multi-channel heart sound synchronous auscultation device according to claim 1 or 9, characterized in that: The heart sound line (2) is a spiral line.

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