CN215306078U

CN215306078U - Ultrasonic probe for Doppler fetal heart rate meter

Info

Publication number: CN215306078U
Application number: CN202023290697.0U
Authority: CN
Inventors: 杨华咏
Original assignee: Shenzhen Zhengkang Technology Co ltd
Current assignee: Shenzhen Zhengkang Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-28
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an ultrasonic probe for a Doppler fetal heart rate meter, which comprises an upper shell, a lower shell, a probe and a connecting wire, wherein a containing cavity is arranged between the upper shell and the lower shell, a PCB (printed circuit board) is arranged in the containing cavity, the upper surface and the lower surface of the PCB are respectively provided with an ultrasonic transmitter and an ultrasonic receiver, an ultrasonic wafer is arranged on the probe, the middle part of the ultrasonic wafer is provided with a separation plate, and the separation plate is used for separating the ultrasonic wafer into a transmitting wafer and a receiving wafer; the ultrasonic probe comprises a PCB, a receiving wafer, an ultrasonic receiver, a transmitting wafer, a separating strip, a transmission wafer and a transmission wafer, wherein the upper side and the lower side of the PCB are respectively provided with the ultrasonic transmitter and the ultrasonic receiver, the receiving wafer and the transmitting wafer which correspond to the ultrasonic transmitter are arranged on the left side and the right side of the PCB, the middle parts of the receiving wafer and the transmitting wafer are provided with the separating strip which is vertical to the PCB, so that mutual interference during the transmission and the reception of ultrasonic signals is avoided, a strong signal cross point is formed during the transmission and the reception of the ultrasonic signals by utilizing the transmission angles of the receiving wafer and the transmitting wafer, and the working efficiency of the ultrasonic probe is improved.

Description

Ultrasonic probe for Doppler fetal heart rate meter

Technical Field

The utility model relates to the technical field of diagnosis by using ultrasonic waves, sound waves or infrasonic waves, in particular to an ultrasonic probe for a Doppler fetal heart rate instrument.

Background

The Doppler fetal heart rate meter is the most common testing instrument used in many clinical tests in obstetrical department and the like, and the instrument is frequently used from 11 weeks of pregnancy of a pregnant woman to a period of time between delivery of the pregnant woman, so that the portability and the use convenience of the Doppler fetal heart rate meter are particularly important in clinical use.

The Doppler fetal heart rate instrument in the prior art is portable, a doctor needs to coat a couplant in advance when the Doppler fetal heart rate instrument is used, then the doctor holds the probe with one hand by using a portable instrument host to measure, the working intensity of the doctor is high, the use is not smooth, one hand of medical staff cannot be released to be used for soothing a puerpera when the doctor holds the probe with one hand by using the portable instrument host to measure, and the emotion of the puerpera is stabilized; the other is to put the main machine of the instrument on a bed, which can release the hands of a doctor, but the main machine can be broken due to unstable placement, or the main machine can be dragged when the probe is used, so that the main machine is broken.

Disclosure of Invention

In view of the above, the present invention is directed to an ultrasonic probe for a doppler fetal heart rate meter; according to the ultrasonic probe for the Doppler fetal heart rate meter, the ultrasonic transmitter and the ultrasonic receiver are arranged on the upper side and the lower side of the PCB, the receiving wafer and the transmitting wafer corresponding to the ultrasonic transmitter and the ultrasonic receiver are arranged on the left side and the right side of the PCB, the separation strip perpendicular to the PCB is arranged in the middle of the receiving wafer and the transmitting wafer, mutual interference during transmitting and receiving of ultrasonic signals is avoided, a strong signal intersection is formed during transmitting and receiving of the ultrasonic signals by using the transmission angles of the receiving wafer and the transmitting wafer, and the working efficiency of the ultrasonic probe is improved.

In order to achieve the purpose, the ultrasonic probe for the Doppler fetal heart rate instrument comprises an upper shell, a lower shell, a probe detachably arranged at one end part of the upper shell and one end part of the lower shell, and a connecting wire arranged at the other end part of the upper shell and the other end part of the lower shell, wherein the connecting wire is used for being connected with a fetal heart rate instrument host, a containing cavity is arranged between the upper shell and the lower shell, a PCB is arranged in the containing cavity, an ultrasonic transmitter and an ultrasonic receiver are respectively arranged on the upper surface and the lower surface of the PCB, an ultrasonic wafer with a transmission angle is arranged on the probe, a partition plate which is perpendicular to the PCB is arranged in the middle of the ultrasonic wafer, and the partition plate is used for partitioning the ultrasonic wafer into a transmitting wafer and a receiving wafer which correspond to the ultrasonic transmitter and the ultrasonic receiver.

Further, the transmission angle of the ultrasonic wafer is set to be 10-14 °.

Further, the transmission angle of the ultrasonic wafer was set to 12.5 °.

Further, the PCB is provided with bolt holes, the bolt holes are obliquely arranged on the PCB, and the PCB is fixed on the upper shell through the bolt holes and bolts.

Furthermore, 2 pairs of buckling blocks which are correspondingly arranged are arranged on two sides of the upper shell, a buckling plate is arranged on the lower shell, and a buckling groove which is connected with the buckling blocks in a buckling mode is formed in the buckling plate.

Furthermore, both sides are provided with 1 pair of the lock joint piece I that corresponds the setting on the probe, all be provided with lock joint board I on casing and the last casing down, be provided with the lock joint board I of being connected with lock joint piece I lock joint in the lock joint board I.

Further, be provided with the support wall that supports the ultrasonic wave wafer on the probe inner wall, the probe is close to the support wall tip and is provided with the installation lid, be provided with spacing post on the installation lid, be provided with the mounting hole that corresponds the setting with spacing post on the ultrasonic wave wafer.

Further, a bolt column is arranged in the middle of the lower shell, a bolt I fixedly connected with the upper shell is arranged on the bolt column, and a through hole for the bolt I to pass through is formed in the PCB.

Further, the connecting wire tip is provided with the joint, it is provided with the mounting groove that holds the joint to go up the casing and keep away from the probe other end with lower casing, be provided with the square spacing groove that is used for connecting on last casing and lower casing lateral wall on the joint.

The utility model has the beneficial effects that:

the ultrasonic probe for the Doppler fetal heart rate meter has the advantages that the ultrasonic transmitter and the ultrasonic receiver are arranged on the upper side and the lower side of the PCB, the receiving wafer and the transmitting wafer corresponding to the ultrasonic transmitter and the ultrasonic receiver are arranged on the left side and the right side of the PCB, the middle parts of the receiving wafer and the transmitting wafer are provided with the separating strips which are perpendicular to the PCB, mutual interference during transmission and reception of ultrasonic signals is avoided, a strong signal intersection point is formed during transmission and reception of the ultrasonic signals by utilizing the transmission angles of the receiving wafer and the transmitting wafer, and the working efficiency of the ultrasonic probe is improved.

Drawings

In order to make the object, technical scheme and beneficial effect of the utility model more clear, the utility model provides the following drawings for explanation:

FIG. 1 is a schematic diagram of an ultrasonic probe for a Doppler fetal heart rate apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a probe in an ultrasonic probe for a doppler fetal heart rate meter according to the present invention.

Reference numerals: 1-an upper shell; 2-a lower shell; 3-a probe; 4-connecting wires; 5-a linker; 6-PCB board; 7-buckling the plate; 8-an ultrasonic transmitter; 9-an ultrasonic receiver; 10-a partition plate; 11-a fastening block I; 12-bolt holes; 13-bolt columns; 14-a through hole; 15-mounting grooves; 16-an emitter wafer; 17-receiving a wafer; 18-mounting a cover; 19-a limiting column; 20-supporting walls.

Detailed Description

The utility model is further illustrated by the following figures and examples.

As shown in fig. 1-2, which is a schematic structural diagram of an ultrasonic probe for a doppler fetal heart rate meter according to the present invention, the ultrasonic probe for a doppler fetal heart rate meter according to the present invention includes an upper casing 1, a lower casing 2, a probe 3 detachably disposed at one end of the upper casing 1 and the lower casing 2, and a connection line 4 disposed at the other end of the upper casing 1 and the lower casing 3, the connection line 4 is used for connecting with a fetal heart rate meter host, a containing cavity is disposed between the upper casing 1 and the lower casing 2, a PCB 6 is disposed in the containing cavity, an ultrasonic emitter 8 and an ultrasonic receiver 9 are disposed on the upper and lower surfaces of the PCB 6, an ultrasonic wafer having a transmission angle is disposed on the probe 3, a separation plate 10 disposed perpendicular to the PCB is disposed in the middle of the ultrasonic wafer, and the separation plate 10 is used for separating the ultrasonic wafer into a transmitting wafer 16 and a receiving wafer corresponding to the ultrasonic emitter and receiver And a sheet 17.

This embodiment is through setting up ultrasonic transmitter and ultrasonic receiver both sides about the PCB board, and the receipt wafer that corresponds sets up in PCB board left and right sides with the transmission wafer, and receipt wafer and transmission wafer middle part are provided with the spacing strip that sets up perpendicularly with the PCB board, mutual interference when avoiding ultrasonic signal transmission and receipt, and the transmission angle who utilizes receipt wafer and transmission wafer forms a strong crossing of signal when making ultrasonic signal transmission and receipt, improves ultrasonic probe work efficiency

In a preferred embodiment, the transmission angle of the ultrasonic wafer is set to be 10-14 degrees, in a preferred embodiment, the transmission angle of the ultrasonic wafer is set to be 12.5 degrees, in the embodiment, a separation plate is arranged in the middle between the receiving wafer and the transmitting wafer, so that mutual interference is avoided, the transmission angle of the receiving wafer and the transmitting wafer is 12.5 degrees, a 25-degree V-shaped structure is formed between the receiving wafer and the transmitting wafer, and a strong signal cross point is formed during transmitting and receiving ultrasonic signals, so that the problems of reflection and attenuation of the received signals are reduced to the maximum extent.

The PCB comprises a PCB body and a PCB board 6, wherein the PCB board 6 is provided with bolt holes 12, the bolt holes 12 are obliquely arranged on the PCB board, the PCB board 6 is fixed on an upper shell through the bolt holes 12 and bolts, the end part and the tail part of the PCB board 6 in the embodiment are both of a fixed limiting structure, the bolt holes 12 are combined to be obliquely arranged along the PCB board, the PCB board is favorably fixed, the quantity of the bolt holes can be reduced, and the PCB board circuit layout is convenient.

In a preferred embodiment, 2 pairs of correspondingly arranged buckling blocks are arranged on two sides of the upper shell 1, a buckling plate is arranged on the lower shell, and buckling grooves in buckling connection with the buckling blocks are formed in the buckling plates 7, so that the structure is favorable for fixedly connecting the upper shell and the lower shell together.

In a preferred embodiment, 1 pair of correspondingly arranged buckling blocks I11 are arranged on two sides of the probe 3, buckling plates I are arranged on the lower shell and the upper shell, and a buckling plate I in buckling connection with the buckling block I11 is arranged in the buckling plate I, which is beneficial to fixing the probe on the lower shell and the upper shell.

In a preferred embodiment, a supporting wall 20 for supporting the ultrasonic wafer is arranged on the inner wall of the probe 3, an installation cover 18 is arranged at the end part of the probe 3 close to the supporting wall, a limiting column 19 is arranged on the installation cover, and an installation hole corresponding to the limiting column 19 is arranged on the ultrasonic wafer.

In a preferred embodiment, a bolt column is arranged in the middle of the lower shell, a bolt I fixedly connected with the upper shell is arranged on the bolt column, and a through hole for the bolt I to pass through is formed in the PCB.

The preferred embodiment, the connecting wire tip is provided with the joint, it is provided with the mounting groove that holds the joint to keep away from the probe other end with lower casing to go up the casing, be provided with the square spacing groove that is used for connecting on last casing and lower casing lateral wall on the joint.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an ultrasonic probe for doppler foetus cardiotachometer, includes last casing, lower casing, can dismantle the probe that sets up at last casing and lower casing one end tip and set up the connecting wire at last casing and lower casing other end tip, the connecting wire is used for being connected with foetus cardiotachometer host computer, it holds the chamber to go up to be provided with between casing and the lower casing, it is provided with PCB board, its characterized in that to hold the intracavity: the PCB board upper and lower surface is provided with ultrasonic transmitter and ultrasonic receiver respectively, be provided with the ultrasonic wave wafer that has transmission angle on the probe, ultrasonic wave wafer middle part is provided with the division board that sets up with the PCB board is perpendicular, the division board is used for separating into the ultrasonic wave wafer and corresponds the transmission wafer and the receipt wafer that sets up with ultrasonic transmitter and receiver.

2. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 1 wherein: the transmission angle of the ultrasonic wafer is set to be 10-14 degrees.

3. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 2 wherein: the transmission angle of the ultrasonic wafer was set to 12.5 °.

4. An ultrasonic probe for a doppler fetal heart rate meter as claimed in any one of claims 1 to 3 wherein: the PCB is provided with bolt holes, the bolt holes are obliquely arranged on the PCB, and the PCB is fixed on the upper shell through the bolt holes and bolts.

5. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 4 wherein: the improved shell structure is characterized in that 2 pairs of correspondingly arranged buckling blocks are arranged on two sides of the upper shell, a buckling plate is arranged on the lower shell, and buckling grooves connected with the buckling blocks in a buckling mode are formed in the buckling plate.

6. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 4 wherein: the probe is characterized in that 1 pair of buckling blocks I which are correspondingly arranged are arranged on two sides of the probe, buckling plates I are arranged on the lower shell and the upper shell, and buckling plates I which are connected with the buckling blocks I in a buckling mode are arranged in the buckling plates I.

7. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 4 wherein: the ultrasonic wave chip detection device is characterized in that a supporting wall for supporting the ultrasonic wave chip is arranged on the inner wall of the probe, an installation cover is arranged at the end part of the probe close to the supporting wall, a limiting column is arranged on the installation cover, and an installation hole corresponding to the limiting column is formed in the ultrasonic wave chip.

8. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 5 wherein: the PCB is characterized in that a bolt column is arranged in the middle of the lower shell, a bolt I fixedly connected with the upper shell is arranged on the bolt column, and a through hole for the bolt I to pass through is formed in the PCB.

9. An ultrasound probe for a doppler fetal heart rate meter as claimed in claim 1 wherein: the connecting wire tip is provided with the joint, it is provided with the mounting groove that holds the joint to go up the casing and keep away from the probe other end with lower casing, be provided with on the joint and be used for connecting the square spacing groove on last casing and lower casing lateral wall.