Ultrasonic positioning method and ultrasonic positioning auxiliary device for sentinel lymph nodes

Abstract

The invention discloses an ultrasonic positioning method for sentinel lymph nodes, and belongs to the field of sentinel lymph node localization. The ultrasonic positioning method for sentinel lymph nodes comprises the following steps: S1, preoperative preparation: preparing required instruments and medicines; s2, treating a part needing to be detected by using a contrast agent; s3, aligning the output end of the ultrasonic positioning auxiliary positioning to the to-be-detected part, then generating a laser signal, and transmitting the laser signal to the to-be-detected part; s4, after the laser signal is emitted in the step S1, observing whether a feedback ultrasonic signal is received on a display; a sentinel lymph node ultrasonic positioning auxiliary device comprises a device displayer, a detector is arranged on the side face of the displayer, a processor is fixed in the displayer, by means of the sentinel lymph node ultrasonic positioning method and the sentinel lymph node ultrasonic positioning auxiliary device, the lymph node position can be accurately positioned, and therefore an operation can be conducted more easily; meanwhile, the body of the patient cannot be damaged in the positioning process.

Description

Technical Field

[0001] The present application relates to the field of sentinel lymph node localization, and in particular to a method and device for ultrasonic localization of sentinel lymph nodes. Background Art

[0002] The sentinel lymph node is a special lymph node in the lymph nodes in the drainage area of ​​the primary tumor. It is the first lymph node that the primary tumor must pass through for lymph node metastasis. The incidence of breast cancer has increased year by year, and its incidence has ranked first among female malignant tumors. It is one of the major diseases that seriously threatens women's health. In the treatment of breast cancer, ipsilateral mastectomy and axillary lymph node dissection are often used. Before surgery, it is necessary to determine whether breast cancer has metastasized to the axillary lymph nodes to determine the stage of breast cancer.

[0003] When determining the location of lymph nodes, the radionuclide method and the staining method are often used. However, the radionuclide method requires the use of radioactive nuclides, which will cause certain damage to the patient's body, and the dye method cannot achieve accurate positioning before and during surgery. Therefore, it is not conducive to the progress of the operation and requires multiple positioning. Summary of the invention

[0004] The purpose of the present application is to solve the problems raised in the above-mentioned background technology, and to provide a method and device for ultrasonic localization of sentinel lymph nodes.

[0005] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0006] A method for ultrasonic localization of sentinel lymph nodes, the method comprising the following steps:

[0007] S1: Preoperative preparation, preparation of necessary instruments and drugs;

[0008] S2: Treat the area to be examined with contrast agent;

[0009] S3: Align the output end of the ultrasound positioning auxiliary positioning to the part to be detected, then generate a laser signal, and transmit the laser signal to the part to be detected;

[0010] S4: After the laser signal is emitted in the above S1, observe whether a feedback ultrasonic signal is received on the display;

[0011] S5: If a feedback ultrasonic signal is received, the ultrasonic signal is converted into an electrical signal; if no ultrasonic signal is fed back, detection of other parts is performed;

[0012] S6: Processing the electrical signal converted in S3 above to determine the location of the electrical signal, thereby determining the location of the lymph node.

[0013] A sentinel lymph node ultrasound positioning auxiliary device, suitable for any of the above-mentioned sentinel lymph node ultrasound positioning methods, including a device display, a detector is arranged on the side of the display, a processor is fixed inside the display, the display has a built-in signal processing structure, the detector only has a laser detection structure and a lymph node positioning structure, and a warning structure is arranged on the display.

[0014] Furthermore, the signal processing structure includes an electrical signal conversion module and a digital signal conversion module; the processor is electrically connected to the electrical signal conversion module and the digital signal conversion module.

[0015] The electrical signal conversion module is used to convert the received ultrasonic signal into an electrical signal by using the piezoelectric effect when receiving the ultrasonic signal after feedback;

[0016] The digital signal conversion module is used to convert the electrical signal converted by the electrical signal conversion module into a digital signal for display on the display.

[0017] Furthermore, it is characterized in that: the laser detection structure includes a laser generation module and a laser emission module; the laser generation module and the laser emission module are electrically connected, and the processor is electrically connected to the laser generation module and the laser emission module;

[0018] The laser generating module is used to generate the laser required for detection;

[0019] The laser emission module is used to emit the laser generated by the laser generation module to the area to be detected.

[0020] Furthermore, the lymph node positioning structure includes an ultrasonic signal receiving module and a lymph node positioning module;

[0021] The ultrasonic signal receiving module is used to receive the ultrasonic signal fed back by the laser emitting module after it is emitted to the part to be detected;

[0022] The lymph node positioning module is used to analyze the ultrasonic signal received by the ultrasonic signal receiving module to obtain the lymph node position.

[0023] Furthermore, the warning structure includes a buzzer and an indicator light fixed on the display, and the processor is electrically connected to the buzzer and the indicator light.

[0024] In summary, the present application includes at least one of the following beneficial effects:

[0025] 1. The present application, through the ultrasonic positioning method and positioning auxiliary device of the sentinel lymph node, can accurately locate the position of the lymph node without the need for multiple positioning, and the positioning is more convenient, which is more conducive to the progress of the operation, and at the same time will not cause damage to the patient's body during the positioning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a flow chart of the ultrasound localization method of sentinel lymph nodes in the present application;

[0027] Figure 2 This is a schematic diagram of the sentinel lymph node localization aid in itself;

[0028] Figure 3 It is a control flow chart of the sentinel lymph node localization auxiliary device in this application.

[0029] Figure numerals: 1. display; 2. detector; 3. processor; 4. laser generating module; 5. laser emitting module; 6. ultrasonic signal receiving module; 7. lymph node localization module; 8. electrical signal conversion module; 9. digital signal conversion module; 10. buzzer; 11. indicator light. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-3 This application is described in further detail.

[0031] refer to Figure 1 The present application discloses a method for ultrasonic localization of sentinel lymph nodes, the method comprising the following steps:

[0032] S1: Preoperative preparation, preparation of necessary instruments and drugs;

[0033] S2: Treat the area to be examined with contrast agent;

[0034] S3: Align the output end of the ultrasound positioning auxiliary positioning to the part to be detected, then generate a laser signal, and transmit the laser signal to the part to be detected;

[0035] S4: After the laser signal is emitted in the above S1, observe whether a feedback ultrasonic signal is received on the display;

[0036] S5: If a feedback ultrasonic signal is received, the ultrasonic signal is converted into an electrical signal; if no ultrasonic signal is fed back, detection of other parts is performed;

[0037] S6: Processing the electrical signal converted in S3 above to determine the location of the electrical signal, thereby determining the location of the lymph node.

[0038] Reference Figure 2The embodiment of the present application discloses an ultrasonic positioning auxiliary device for sentinel lymph nodes, which is applicable to any of the above-mentioned ultrasonic positioning methods for sentinel lymph nodes, including a device display 1, a detector 2 is arranged on the side of the display 1, a processor 3 is fixed inside the display 1, the display 1 has a built-in signal processing structure, the detector 2 only has a laser detection structure and a lymph node positioning structure, and a warning structure is arranged on the display 1.

[0039] Reference Figure 2 , 3 Specifically, the signal processing structure includes an electric signal conversion module 8 and a digital signal conversion module 9; the processor 3 is electrically connected to the electric signal conversion module 8 and the digital signal conversion module 9. The electric signal conversion module 8 is used to convert the received ultrasonic signal into an electric signal by using the piezoelectric effect when receiving the ultrasonic signal after feedback; the digital signal conversion module 9 is used to convert the electric signal converted by the electric signal conversion module 8 into a digital signal for display by the display 1. The laser detection structure includes a laser generation module 4 and a laser emission module 5; the laser generation module 4 and the laser emission module 5 are electrically connected, and the processor 3 is electrically connected to the laser generation module 4 and the laser emission module 5; the laser generation module 4 is used to generate the laser required for detection; the laser emission module 5 is used to emit the laser generated by the laser generation module 4 to the area to be detected. The lymph node positioning structure includes an ultrasonic signal receiving module 6 and a lymph node positioning module 7; the ultrasonic signal receiving module 6 is used to receive the ultrasonic signal fed back by the laser emission module 5 after being emitted to the part to be detected; the lymph node positioning module 7 is used to analyze the ultrasonic signal received by the ultrasonic signal receiving module 6 to obtain the lymph node position. During the detection, the user holds the detector 2 and places the detection end against the patient's body. The laser generation module 4 then generates a laser, which is then emitted through the laser emission module 5. When the laser signal is detected into the patient's body, the laser is fed back with the cooperation of the contrast agent. The ultrasonic signal after feedback is transmitted to the ultrasonic signal receiving module 6. After receiving the signal, the ultrasonic signal receiving module 6 transmits the signal to the lymph node positioning module 7. The lymph node positioning module 7 locates the position of the lymph node. After the positioning is completed, the signal is transmitted to the electrical signal conversion module 8. The electrical signal conversion module 8 converts the ultrasonic signal into an electrical signal, and transmits the converted electrical signal to the digital signal conversion module to convert the electrical signal into a digital signal. Finally, the digital signal is transmitted to the display 1 for display.

[0040] Reference Figure 2 , 3Specifically, the warning structure includes a buzzer 10 and an indicator light 11 fixed on the display 1, and the processor 3 is electrically connected to the buzzer 10 and the indicator light 11. In the process of locating the lymph node position in the patient's body using the ultrasonic positioning auxiliary device, when the positioning is successful, the processor 3 will send a command signal to the buzzer 10 and the indicator light 11. After the buzzer 10 receives the signal, the buzzer 10 makes a sound, and the indicator light 11 lights up after receiving the signal. The buzzer 10 and the indicator light 11 can remind medical staff.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A method for ultrasonic localization of sentinel lymph nodes, characterized in that: The method comprises the following steps: S1: Preoperative preparation, preparation of necessary instruments and drugs; S2: Treat the area to be examined with contrast agent; S3: Align the output end of the ultrasound positioning auxiliary positioning to the part to be detected, then generate a laser signal, and transmit the laser signal to the part to be detected; S4: After the laser signal is emitted in the above S1, observe whether a feedback ultrasonic signal is received on the display; S5: If a feedback ultrasonic signal is received, the ultrasonic signal is converted into an electrical signal; if no ultrasonic signal is fed back, detection of other parts is performed; S6: Processing the electrical signal converted in S3 above to determine the location of the electrical signal, thereby determining the location of the lymph node.

2. An ultrasonic positioning auxiliary device for sentinel lymph nodes, suitable for use in a method for ultrasonic positioning of sentinel lymph nodes as claimed in any one of the above claims, comprising a device display (1), characterized in that: A detector (2) is arranged on the side of the display (1), a processor (3) is fixed inside the display (1), the display (1) has a built-in signal processing structure, the detector (2) only has a laser detection structure and a lymph node positioning structure, and a warning structure is arranged on the display (1).

3. The ultrasonic positioning auxiliary device for sentinel lymph nodes according to claim 2, characterized in that: The signal processing structure comprises an electrical signal conversion module (8) and a digital signal conversion module (9); the processor (3) is electrically connected to the electrical signal conversion module (8) and the digital signal conversion module (9). The electrical signal conversion module (8) is used to convert the received ultrasonic signal into an electrical signal by utilizing the piezoelectric effect when receiving the ultrasonic signal after feedback; The digital signal conversion module (9) is used to convert the electrical signal converted by the electrical signal conversion module (8) into a digital signal for display on the display (1).

4. The ultrasonic positioning auxiliary device for sentinel lymph nodes according to claim 2, characterized in that: The laser detection structure comprises a laser generating module (4) and a laser emitting module (5); the laser generating module (4) and the laser emitting module (5) are electrically connected, and the processor (3) and the laser generating module (4) and the laser emitting module (5) are all electrically connected; The laser generating module (4) is used to generate the laser required for detection; The laser emission module (5) is used to emit the laser light generated by the laser generation module (4) to the area to be detected.

5. The ultrasonic positioning auxiliary device for sentinel lymph nodes according to claim 4, characterized in that: The lymph node locating structure comprises an ultrasonic signal receiving module (6) and a lymph node locating module (7); The ultrasonic signal receiving module (6) is used to receive the ultrasonic signal fed back after the laser emitting module (5) emits the ultrasonic signal to the part to be detected; The lymph node positioning module (7) is used to analyze the ultrasonic signal received by the ultrasonic signal receiving module (6) to obtain the lymph node position.

6. The ultrasonic positioning auxiliary device for sentinel lymph nodes according to claim 2, characterized in that: The warning structure comprises a buzzer (10) and an indicator light (11) fixed on the display (1), and the processor (3) is electrically connected to the buzzer (10) and the indicator light (11).

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