CN219147577U

CN219147577U - Flexible multi-needle multi-electrode detection device

Info

Publication number: CN219147577U
Application number: CN202222560920.1U
Authority: CN
Inventors: 燕自保; 申彬; 刘泉; 董朝阳
Original assignee: WUHAN ZKKL OPTOELECTRONIC TECHNOLOGY CO LTD
Current assignee: WUHAN ZKKL OPTOELECTRONIC TECHNOLOGY CO LTD
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-09
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a flexible multi-needle multi-electrode detection device, which comprises a flexible substrate, wherein a plurality of probe guide pipes of arrays are arranged on the flexible substrate, each guide pipe is provided with a probe, one end of each probe is provided with a miniature electric push rod, and one end of each miniature electric push rod is provided with a universal connector; the miniature electric push rod is driven, and a guide pipe at one end of the miniature electric push rod slides in the guide pipe. When two or more probes are inserted into a body, the impedance of body tissues can be accurately detected in a multi-needle multi-electrode mode, the targeting drug delivery of the needle head in the injection or extraction process is accurately positioned, the impedance changes of tissues such as fat, muscle, body fluid, blood and spinal fluid are accurately detected, the flexible substrate is flexibly arranged, the flexible substrate can follow the surface change shape of a human body, the detection of multiple parts of the body is adapted, and the structure is simple, and the practicability is strong. The edge pet elastic-free antibacterial film can meet the sterile requirement, is convenient to preserve and transport, and has a high popularization value.

Description

Flexible multi-needle multi-electrode detection device

Technical Field

The utility model relates to the field of medical instruments, in particular to a flexible multi-needle multi-electrode detection device.

Background

At present, the existing injector is used by manually judging the injection and suction positions, which depends on long-term training of medical staff, but even a skilled medical staff is difficult to ensure, and the needle head can be positioned at a preset position every time. First, in procedures involving aspiration, such as arterial blood, hydrotumour, cerebrospinal fluid, adipose tissue, etc., some require the assistance of other auxiliary equipment to accomplish the task, such as bedside CT machines, etc. Secondly, when many doctors inject the filler into human bodies every year, the filler cannot be accurately positioned, and surrounding tissues are rapidly necrotized after embolism and the like caused by the filler being injected into blood vessels, so that serious medical accidents cannot be scientifically avoided, and sometimes, the targeted drug delivery cannot be accurately positioned, so that the treatment effect is discounted. The needle cannot accurately detect the injection site or the extracted tissue according to impedance changes of tissues such as fat, muscle, body fluid, blood, spinal fluid and the like. For this purpose we propose a flexible multi-needle multi-electrode detection device to solve the above problems.

Disclosure of Invention

The utility model provides a flexible multi-needle multi-electrode detection device, which solves the problems that when a doctor injects a filler into a human body, the doctor cannot accurately detect the filler according to impedance changes of tissues such as fat, muscle, body fluid, blood, spinal fluid and the like, targeted drug delivery cannot be accurately carried out in place, and serious medical accidents are caused by rapid necrosis of surrounding tissues after embolism and the like caused by the injection of the filler into a blood vessel.

In order to solve the technical problems, the utility model adopts the following technical scheme: the flexible multi-needle multi-electrode detection device comprises a flexible substrate, wherein a plurality of probe guide pipes of arrays are arranged on the flexible substrate, each guide pipe is provided with a probe, one end of each probe is provided with a miniature electric push rod, and one end of each miniature electric push rod is provided with a universal connector;

the miniature electric push rod is driven, and a guide pipe at one end of the miniature electric push rod slides in the guide pipe.

In a preferred scheme, the catheters are distributed on the flexible substrate in an array mode, and the catheters are in one-to-one correspondence with the probes.

In a preferred embodiment, the flexible substrate is abutted against the skin of the human body, and the flexible substrate has elasticity.

In the preferred scheme, the miniature electric push rod comprises an electric guide sleeve, a telescopic push rod is arranged on the electric guide sleeve, a rotating seat is arranged at one end of the push rod, and the rotating seat is hinged with the push rod.

In the preferred scheme, the probe is connected with the rotating seat, and one end of the electric guide sleeve is hinged with the universal connector.

In the preferred scheme, the flexible substrate includes the flexible body, is equipped with the flexible circuit board on the flexible body, is equipped with a plurality of through-holes on the flexible circuit board, and the through-hole is located probe pipe bottom, is equipped with a plurality of electrodes on the flexible circuit board, is equipped with logical groove on the electrode.

In the preferred scheme, the flexible body bottom is equipped with edge pet inelastic antibacterial film.

The beneficial effects of the utility model are as follows: the flexible substrate is contacted with a body, a plurality of probe guide tubes are fixed on the flexible substrate, each probe corresponds to a miniature electric push rod, and the miniature electric push rods push or pull the probes back and forth under the control of the system. The probe is always in the pipe, and universal connector's one end articulates with miniature electric putter, and the seat of turning articulates with the push rod, when driving miniature electric putter to make the probe can stretch out and draw back in the probe pipe. When effectively avoiding the probe extension, the phenomenon that probe and probe pipe card are dead takes place to make the probe pipe of a plurality of arrays can hug closely on human skin with who's flexible substrate, simple structure, the practicality is high.

When two or more probes are inserted into a body through the flexible substrate, the probes are contacted with the electrodes to form a detection loop to detect the impedance of the body tissues, and the detection loop is used for accurately positioning the targeted drug delivery of the needle head in the injection or extraction process, and is accurately detected and flexibly arranged according to the impedance change of the tissues such as fat, muscle, body fluid, blood, spinal fluid and the like, and the needle head can easily and accurately detect the injection position or the extracted tissues, so that the injection or extraction process is more accurate. The phenomenon that peripheral tissues are rapidly necrotized or the treatment effect is discounted after the embolism is caused by the fact that the injection cannot be accurately positioned is avoided.

The flexible substrate can follow the shape of the surface change of the human body, is suitable for detection of multiple parts of the body, and can detect the impedance of the body tissue more accurately in a multi-needle multi-electrode mode, and has the advantages of simple structure and high practicability. The edge pet elastic-free antibacterial film can meet the sterile requirement, is convenient to preserve and transport, and has a high popularization value.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is an isometric view of a stylet insertion stylet catheter of the overall construction of the utility model;

FIG. 3 is an isometric view of a partial structure of the present utility model;

FIG. 4 is a top view of a flexible substrate of the present utility model;

FIG. 5 is a cross-sectional view of a flexible substrate of the present utility model;

in the figure: a flexible substrate 1; a flexible body 101; a flexible circuit board 102; a through hole 1021; edge pet inelastic antibacterial film 103; an electrode 104; a through groove 1041; an interface 105; a probe catheter 2; a probe 3; a miniature electric push rod 4; an electric guide sleeve 401; a push rod 402; a swivel base 403; a universal connector 5; a plug 6.

Detailed Description

Example 1:

as shown in fig. 1-5, the flexible multi-needle multi-electrode detection device comprises a flexible substrate 1, wherein a plurality of probe guide tubes 2 are arranged on the flexible substrate 1, each guide tube 2 is provided with a probe 3, one end of each probe 3 is provided with a miniature electric push rod 4, and one end of each miniature electric push rod 4 is provided with a universal connector 5;

the miniature electric push rod 4 is driven, and the catheter 2 at one end of the miniature electric push rod 4 slides in the catheter 2. In this structure, the flexible substrate 1 is in contact with the body, a plurality of probe catheters 2 are fixed on the flexible substrate 1, each probe 3 corresponds to one micro electric push rod 4, and the micro electric push rods 4 push or pull the probes 3 back and forth under the control of the system. The probe 3 is always positioned in the catheter 2, one end of the universal connector 5 is hinged with the micro electric push rod 4, and the rotating seat 403 is hinged with the push rod 402, so that the probe 3 can be retracted in the probe catheter 2 when the micro electric push rod 4 is driven. When effectively avoiding appearing probe 3 extension, the dead phenomenon of probe 3 and probe pipe 2 card takes place to the probe pipe 2 of a plurality of arrays can hug closely on human skin with who flexible substrate 1, simple structure, the practicality is high.

When two or more probes 3 are inserted into a body through the flexible substrate 1, the probes 3 are contacted with the electrodes 104 to form a detection loop to detect the impedance of the body tissues, and the detection loop is used for the targeted drug delivery accurate positioning of the needle head in the injection or extraction process, and can accurately detect and flexibly set according to the impedance change of the tissues such as fat, muscle, body fluid, blood, spinal fluid and the like, so that the needle head can easily and accurately detect the injection site or the extracted tissues, and the injection or extraction process is more accurate. The phenomenon that peripheral tissues are rapidly necrotized or the treatment effect is discounted after the embolism is caused by the fact that the injection cannot be accurately positioned is avoided.

The flexible substrate 1 can follow the shape of the surface change of a human body, is suitable for detection of multiple parts of the body, and can detect the impedance of body tissues more accurately in a multi-needle multi-electrode mode, and has the advantages of simple structure and strong practicability. The edge pet inelastic anti-bacterial film 103 can meet the requirement of sterility and is convenient to preserve and transport.

In a preferred embodiment, the catheters 2 are distributed on the flexible substrate 1 in an array, and the catheters 2 are in one-to-one correspondence with the probes 3. With this structure, the catheter 2 and the probes 3 are in one-to-one correspondence, so that the probe catheter 2 with a plurality of arrays can be tightly attached to the skin of a human body with the flexible substrate 1, and the structure is simple and the practicability is high.

In a preferred embodiment, the flexible substrate 1 is abutted against the skin of the human body, and the flexible substrate 1 has elasticity. From this structure, flexible substrate 1 can follow human surface variation shape, adapts to the detection of health multi-position, and the impedance of detection organism tissue that the mode of many needles multi-electrode can be more accurate, simple structure, the practicality is strong.

In a preferred scheme, the miniature electric push rod 4 comprises an electric guide sleeve 401, a telescopic push rod 402 is arranged on the electric guide sleeve 401, a rotating seat 403 is arranged at one end of the push rod 402, and the rotating seat 403 is hinged with the push rod 402. With this structure, the probe 3 is always positioned in the catheter 2, and the micro electric push rod 4 is driven, and the push rod 402 slides in the electric guide sleeve 401. The miniature electric push rod 4 is used for pushing or pulling back the probe 3 in a reciprocating manner under the control of the system.

In a preferred embodiment, the probe 3 is connected to the rotating base 403, and one end of the electric guide sleeve 401 is hinged to the universal connector 5. With this configuration, when the micro electric putter 4 is driven, the probe 3 can be retracted into the probe catheter 2. When effectively avoiding appearing probe 3 extension, the dead phenomenon of probe 3 and probe pipe 2 card takes place to the probe pipe 2 of a plurality of arrays can hug closely on human skin with who flexible substrate 1, simple structure, the practicality is high.

In a preferred scheme, the flexible substrate 1 comprises a flexible body 101, a flexible circuit board 102 is arranged on the flexible body 101, a plurality of through holes 1021 are formed in the flexible circuit board 102, the through holes 1021 are located at the bottom of the probe catheter 2, a plurality of electrodes 104 are arranged on the flexible circuit board 102, and through grooves 1041 are formed in the electrodes 104. From this structure, flexible substrate 1 can follow human surface variation shape, adapts to the detection of health everywhere position, and probe 3 and electrode 104 contact form the detection loop, detects the impedance of organism tissue for the accurate location of target dosing of syringe needle in injection or the extraction process, according to the impedance variation of tissues such as fat, muscle, body fluid, blood, spinal cord liquid, accurate detection, nimble setting. The through hole 1021 and the through groove 1041 are used for the probe 3 to pass through.

In a preferred embodiment, the bottom of the flexible body 101 is provided with an edge pet inelastic antibacterial film 103. With this structure, the edge pet inelastic antibacterial film 103 can meet the requirement of sterility, and is convenient to preserve and transport.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. Flexible multi-needle multi-electrode detection device, characterized by: the probe comprises a flexible substrate (1), wherein a plurality of probe guide pipes (2) are arranged on the flexible substrate (1), each guide pipe (2) is provided with a probe (3), one end of each probe (3) is provided with a miniature electric push rod (4), and one end of each miniature electric push rod (4) is provided with a universal connector (5);

the miniature electric push rod (4) is driven, and the guide pipe (2) at one end of the miniature electric push rod (4) slides in the guide pipe (2).

2. The flexible multi-needle multi-electrode test device of claim 1, wherein: the guide pipes (2) are distributed on the flexible substrate (1) in an array mode, and the guide pipes (2) are in one-to-one correspondence with the probes (3).

3. The flexible multi-needle multi-electrode test device of claim 1, wherein: the flexible substrate (1) is abutted against the skin of a human body, and the flexible substrate (1) has elasticity.

4. The flexible multi-needle multi-electrode test device of claim 1, wherein: the miniature electric push rod (4) comprises an electric guide sleeve (401), a telescopic push rod (402) is arranged on the electric guide sleeve (401), a rotating seat (403) is arranged at one end of the push rod (402), and the rotating seat (403) is hinged with the push rod (402).

5. The flexible multi-needle multi-electrode test device of claim 4, wherein: the probe (3) is connected with the rotating seat (403), and one end of the electric guide sleeve (401) is hinged with the universal connector (5).

6. The flexible multi-needle multi-electrode test device of claim 1, wherein: the flexible substrate (1) comprises a flexible body (101), a flexible circuit board (102) is arranged on the flexible body (101), a plurality of through holes (1021) are formed in the flexible circuit board (102), the through holes (1021) are formed in the bottom of the probe guide tube (2), a plurality of electrodes (104) are arranged on the flexible circuit board (102), and through grooves (1041) are formed in the electrodes (104).

7. The flexible multi-needle multi-electrode test device of claim 6, wherein: the bottom of the flexible body (101) is provided with an edge pet elastic-free antibacterial film (103).