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CN-224220161-U - Ultrasonic probe

CN224220161UCN 224220161 UCN224220161 UCN 224220161UCN-224220161-U

Abstract

The utility model relates to the technical field of medical instruments and discloses an ultrasonic probe. The ultrasonic probe comprises a probe handle, an installation carrier, a circuit component, a piezoelectric crystal component and a wire, wherein the probe handle is in plug-in fit with the installation carrier to form a containing cavity, the circuit component is at least partially arranged in the containing cavity, one end of the installation carrier, deviating from the probe handle, is provided with a positioning sink, the positioning sink is communicated with the containing cavity, the piezoelectric crystal component is limited in the positioning sink and is electrically connected with the circuit component through the wire, and the probe handle and the installation carrier are respectively molded in a 3D printing mode. The ultrasonic probe is convenient to process and low in manufacturing cost on the premise of ensuring the mounting precision of the piezoelectric crystal component.

Inventors

  • TENG YUN

Assignees

  • 上海展渤科技有限公司

Dates

Publication Date
20260512
Application Date
20241231

Claims (10)

  1. 1. The ultrasonic probe is characterized by comprising a probe handle (10), an installation carrier (20), a circuit component (30), a piezoelectric crystal component (40) and a wire (50), wherein the probe handle (10) is in plug-in fit with the installation carrier (20) and forms a containing cavity, the circuit component (30) is at least partially arranged in the containing cavity, one end, deviating from the probe handle (10), of the installation carrier (20) is provided with a positioning sink (21), the positioning sink (21) is communicated with the containing cavity, the piezoelectric crystal component (40) is limited in the positioning sink (21) and is electrically connected with the circuit component (30) through the wire (50), and the probe handle (10) and the installation carrier (20) are respectively formed in a 3D printing mode.
  2. 2. The ultrasonic probe according to claim 1, wherein the piezoelectric crystal assembly (40) includes a piezoelectric substrate (41), a first electrode piece (42) and a second electrode piece (43), the first electrode piece (42) is attached to an inner side of the piezoelectric substrate (41), the second electrode piece (43) is partially attached to an outer side of the piezoelectric substrate (41), and partially extends from a side of the piezoelectric substrate (41) to be attached to an inner side of the piezoelectric substrate (41) to form a welded portion (421), and the first electrode piece (42) and the welded portion (421) are respectively welded to the lead (50); The bottom of the positioning sink (21) is provided with an avoidance notch (22), and the avoidance notch (22) is configured to accommodate a welding point between the lead (50) and the welding part (421).
  3. 3. The ultrasonic probe according to claim 2, characterized in that a positioning groove (11) is arranged on the probe handle (10), the circuit assembly (30) is limited in the positioning groove (11), a fool-proof part (12) is further arranged on the probe handle (10), and the fool-proof part (12) is arranged opposite to the avoidance notch (22).
  4. 4. The ultrasonic probe according to claim 1, characterized in that the piezoelectric crystal assembly (40) is adhesively connected with the groove wall of the positioning sink (21).
  5. 5. The ultrasonic probe according to claim 1, characterized in that in both the probe handle (10) and the mounting carrier (20), one is provided with a positioning boss (15) and the other is provided with a positioning groove (23), the positioning boss (15) being in a plug-in fit with the positioning groove (23).
  6. 6. The ultrasound probe of claim 5, wherein the cross section of the positioning boss (15) and the cross section of the positioning groove (23) are both non-circular.
  7. 7. The ultrasonic probe according to claim 5, characterized in that the positioning boss (15) is adhesively connected to the side wall of the positioning groove (23).
  8. 8. The ultrasound probe of any of claims 1-7, wherein the circuit assembly (30) comprises a circuit board (31) and an interface member (32), the piezoelectric crystal assembly (40) being electrically connected to the circuit board (31), the interface member (32) being electrically connected to the circuit board (31); The ultrasonic probe comprises a probe handle (10), and is characterized in that a through hole (13) is formed in the probe handle (10), the circuit board (31) abuts against the inner wall of the probe handle (10), the through hole (13) is penetrated through by an interface piece (32), the ultrasonic probe further comprises a fastening piece (61), and the fastening piece (61) is in threaded connection with the interface piece (32).
  9. 9. The ultrasonic probe according to claim 8, characterized in that the through-hole (13) is filled with a sealant.
  10. 10. An ultrasound probe according to any of claims 1 to 3, wherein the probe handle (10) comprises a grip portion (14), the grip portion (14) surface being textured.

Description

Ultrasonic probe Technical Field The utility model relates to the technical field of medical instruments, in particular to an ultrasonic probe. Background The ultrasonic probe is a medical instrument capable of detecting tissue lesions and comprises a shell, a circuit component and a piezoelectric crystal component, wherein the circuit component is arranged in the shell, and the piezoelectric crystal component is fixed on the shell and is electrically connected with the circuit component. The circuit assembly is capable of transmitting an electrical signal stimulus to the piezoelectric crystal assembly, which produces mechanical vibrations using the piezoelectric effect, thereby emitting ultrasonic waves. The direction precision of the ultrasonic wave generated by the piezoelectric crystal component is influenced by the installation precision of the piezoelectric crystal component on the shell component, so that more positioning structures are required to be arranged on the shell, and the shell size of the ultrasonic probe is usually smaller, so that the ultrasonic probe is difficult to process and high in manufacturing cost. Disclosure of utility model The utility model aims to provide an ultrasonic probe which is convenient to process and low in manufacturing cost on the premise of ensuring the mounting precision of a piezoelectric crystal component. To achieve the purpose, the utility model adopts the following technical scheme: The ultrasonic probe comprises a probe handle, an installation carrier, a circuit component, a piezoelectric crystal component and a wire, wherein the probe handle is in plug-in fit with the installation carrier and forms a containing cavity, the circuit component is at least partially arranged in the containing cavity, one end of the installation carrier, which is away from the probe handle, is provided with a positioning sink, the positioning sink is communicated with the containing cavity, the piezoelectric crystal component is limited in the positioning sink and is electrically connected with the circuit component through the wire, and the probe handle and the installation carrier are respectively molded in a 3D printing mode. As an alternative, the piezoelectric crystal assembly includes a piezoelectric substrate, a first electrode plate and a second electrode plate, where the first electrode plate is attached to the inner side of the piezoelectric substrate, the second electrode plate is partially attached to the outer side of the piezoelectric substrate, and a portion of the second electrode plate extends from the side of the piezoelectric substrate to attach to the inner side of the piezoelectric substrate so as to form a welding portion, and the first electrode plate and the welding portion are respectively connected with the lead in a welding manner; the bottom of the positioning sink is provided with an avoidance notch, and the avoidance notch is configured to accommodate a welding spot between the lead and the welding part. As an alternative scheme, be provided with the constant head tank on the probe handle, circuit subassembly limit is located in the constant head tank, still be provided with on the probe handle and prevent slow-witted portion, prevent slow-witted portion with dodge the breach setting relatively. As an alternative, the piezoelectric crystal component is adhesively connected with the groove wall of the positioning sink. As an alternative scheme, in both the probe handle and the mounting carrier, a positioning boss is arranged on one of the probe handle and the mounting carrier, and a positioning groove is arranged on the other probe handle and the mounting carrier, and the positioning boss is in plug-in fit with the positioning groove. As an alternative, the cross section of the positioning boss and the cross section of the positioning groove are non-circular. As an alternative, the positioning boss is adhesively connected with the side wall of the positioning groove. As an alternative, the circuit assembly includes a circuit board and an interface member, the piezoelectric crystal assembly is electrically connected to the circuit board, and the interface member is electrically connected to the circuit board; the ultrasonic probe comprises a probe handle, and is characterized in that a through hole is formed in the probe handle, the circuit board abuts against the inner wall of the probe handle, the interface piece penetrates through the through hole, and the ultrasonic probe further comprises a fastening piece which is in threaded connection with the interface piece. As an alternative, the through hole is filled with sealant. As an alternative, the probe handle includes a grip portion, and the grip portion has a surface textured. The utility model has the beneficial effects that: According to the ultrasonic probe, the piezoelectric crystal component can be accommodated and limited by the positioning sink on the mounting carrier, the circuit componen