CN111870326A - Blood vessel puncture guide assisting device and blood vessel puncture guide method - Google Patents

Abstract

The invention provides a blood vessel puncture guide auxiliary device and a blood vessel puncture guide method, which relate to the field of medical technology. The guiding auxiliary device includes: an ultrasonic diagnostic instrument and a marking module; the method sequentially includes: S1, target blood vessel imaging; S2, target blood vessel tracing; S3, blood vessel puncture. In the present invention, with the assistance of the first marking auxiliary line, the operator is assisted in clarifying the physical spatial relationship among the target blood vessel, the needle insertion mark and the ultrasonic image; the position of the ultrasonic probe is adjusted so that the image of the target blood vessel is marked by the first marking The auxiliary line is bisected, and the needle insertion mark is just above the target blood vessel, which provides an accurate reference for the needle insertion position; by adjusting the positions of the second marking auxiliary line and the third marking auxiliary line, the horizontal diameter range of the target blood vessel is traced, which is The needle insertion angle and adjustable direction provide auxiliary reference, so as to ensure that the vascular puncture has a very high success rate, effectively avoid the occurrence of complications, and ensure the life safety of the patient.

Description

Vascular puncture guide auxiliary device and blood vessel puncture guide method

technical field

The invention relates to the field of medical technology, in particular to a blood vessel puncture guide auxiliary device and a blood vessel puncture guide method.

Background technique

Vascular puncture techniques, especially arterial and venous puncture and catheterization, are commonly used in the treatment of critically ill patients. The traditional vascular puncture technique completely relies on anatomical positioning or finger touch, which is a blind operation, which potentially increases the risk of complications such as bleeding, hematoma, pseudoaneurysm and arteriovenous fistula, and affects the life safety of patients. .

The ultrasonic diagnostic instrument can clearly display the deep tissue structure of the human body, and can accurately locate the target. At the same time, it can also observe the dynamic changes of the target in real time, providing the possibility for vascular imaging positioning and puncture guidance.

However, since the ultrasound probe and the image in the display are physically separated, it is difficult for the vascular puncture operator to judge the relative positions of the needle, the blood vessel, and the ultrasound probe in physical space. The success rate of vascular puncture needs to be improved, which limits the role of ultrasound technology in the field of vascular puncture. This patented technology aims to solve how to use ultrasound equipment to locate blood vessels and guide blood vessel puncture.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides an auxiliary device for guiding blood vessel puncture and a method for guiding blood vessel puncturing, which solves the problem of low success rate of guiding blood vessel puncture by ultrasonic imaging equipment.

(2) Technical solutions

To achieve the above purpose, the present invention is achieved through the following technical solutions:

An auxiliary device for vascular puncture guidance, the auxiliary device for guiding comprises: an ultrasonic diagnostic instrument and a marking module;

The ultrasonic diagnostic instrument comprises: an equipment host and an ultrasonic probe; the side wall of the ultrasonic probe shell is provided with a needle insertion mark;

The device host includes: a display and an input control module;

The marking module displays the first marking auxiliary line, the second marking auxiliary line and the third marking auxiliary line on the display; the first marking auxiliary line corresponds to the position of the needle insertion mark;

The positions of the second marking auxiliary line and the third marking auxiliary line on the display can be adjusted freely through the input control module, respectively.

Preferably, the first marking auxiliary line, the second marking auxiliary line and the third marking auxiliary line are all arranged vertically, and the input control module controls the second marking auxiliary line and the third marking auxiliary line to move horizontally.

Preferably, the first marking auxiliary line bisects the image of the target blood vessel, and the second marking auxiliary line and the third marking auxiliary line are respectively tangent to the vessel walls on both sides of the target blood vessel.

Preferably, the method comprises the following steps in sequence:

S1, target vessel imaging

The ultrasonic diagnostic apparatus is powered on and the target blood vessel is detected by the handheld ultrasonic probe. The detected images of the target blood vessel and surrounding tissues are displayed on the display of the ultrasonic diagnostic apparatus. Adjust the position of the ultrasonic probe so that the image of the target blood vessel is bisected by the first marking auxiliary line and fixed. The relative position of the ultrasound probe to the skin;

S2, target vessel tracing

Adjust the positions of the second marking auxiliary line and the third marking auxiliary line respectively through the input control module, so that the two are tangent to the vessel walls on both sides of the target vessel respectively;

S3, vascular puncture

The needle insertion position and direction are determined by the needle insertion mark on the ultrasonic probe. During the needle insertion process, keep the needle between the second marking auxiliary line and the third marking auxiliary line, and limit the needle insertion range of the puncture needle until the needle enters the target. intravascular lumen.

Preferably, in S2, through the input control module, the first marking auxiliary line is taken as the central axis, and the positions of the second marking auxiliary line and the third marking auxiliary line are symmetrically adjusted, so that the two are respectively in line with the vessel walls on both sides of the target vessel. cut.

(3) Beneficial effects

The present invention provides a blood vessel puncture guide auxiliary device and a blood vessel puncture guide method. Compared with the prior art, it has the following beneficial effects:

In the present invention, with the assistance of the first marking auxiliary line corresponding to the position of the needle insertion mark on the ultrasonic probe, the operator can help the operator to clarify the physical space relationship between the target blood vessel, the needle insertion mark and the ultrasonic image; when adjusting the position of the ultrasonic probe, The image of the target blood vessel is bisected by the first marking auxiliary line, and the needle insertion mark is just above the target blood vessel, providing an accurate reference for the needle insertion position; by adjusting the position of the second marking auxiliary line and the third marking auxiliary line to trace The horizontal diameter range of the target blood vessel provides an auxiliary reference for the needle insertion angle and adjustable direction, so as to ensure a high success rate of blood vessel puncture, effectively avoid the occurrence of complications, and ensure the life safety of patients.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the corresponding positional relationship between an ultrasonic probe and a display image in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a display image according to an embodiment of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The embodiment of the present application solves the problem of low success rate of vascular puncturing guided by ultrasonic imaging equipment by providing an auxiliary device for vascular puncture guidance and a blood vessel puncture guidance method.

The technical solutions in the embodiments of the present application are to solve the above-mentioned technical problems, and the general idea is as follows:

In the embodiment of the present invention, with the assistance of the first marking auxiliary line corresponding to the position of the needle insertion mark on the ultrasonic probe, the operator is assisted to clarify the physical space relationship among the target blood vessel, the needle insertion mark and the ultrasonic image; position, so that the image of the target blood vessel is bisected by the first marking auxiliary line, and the needle insertion mark is just above the target blood vessel, providing an accurate reference for the needle insertion position; by adjusting the second marking auxiliary line and the third marking auxiliary line The position traces the horizontal diameter range of the target blood vessel, and provides an auxiliary reference for the needle insertion angle and adjustable direction, so as to ensure that the blood vessel puncture has a very high success rate, effectively avoid the occurrence of complications, and ensure the life safety of the patient.

In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1:

As shown in FIG. 1 and FIG. 2 , the present invention provides an auxiliary device for vascular puncture guidance, the auxiliary device for guiding includes: an ultrasonic diagnostic instrument and a marking module;

The ultrasonic diagnostic instrument includes: a device host and an ultrasonic probe 1; the side wall of the casing of the ultrasonic probe 1 is provided with a needle insertion mark 11;

The device host includes: a display and an input control module;

The marking module displays the first marking auxiliary line 10, the second marking auxiliary line 20 and the third marking auxiliary line 30 on the display; the first marking auxiliary line 10 corresponds to the position of the needle insertion mark 11, and the ultrasonic probe is moved. 1 During the moving process, the image in the display moves with the ultrasonic probe 1, and the position of the first marking auxiliary line 10 on the display is fixed. The marking auxiliary line 10 is fixed at the position of the central axis of the display, corresponding to the position of the needle insertion mark 11;

The second marking auxiliary line 20 and the third marking auxiliary line 30 can freely adjust their positions on the display through the input control module, respectively.

As shown in FIG. 1 , the first marking auxiliary line 10 , the second marking auxiliary line 20 and the third marking auxiliary line 30 are all vertically arranged, and the input control module controls the second marking auxiliary line 20 and the third marking auxiliary line Line 30 moves horizontally.

As shown in FIG. 1 , in the process of guiding the blood vessel puncture by the guiding auxiliary device, the position of the ultrasound probe 1 is adjusted so that the image of the target blood vessel 40 is bisected by the first marking auxiliary line 10 , and the second marking auxiliary line 20 is adjusted through the input control module. and the position of the third marking auxiliary line 30 so that they are tangent to the vessel walls on both sides of the target vessel 40 respectively.

The needle insertion mark 11 provides a reference for the needle insertion position. During the needle insertion process, ensuring that the needle 50 is always located between the second marking auxiliary line 20 and the third marking auxiliary line 30 can ensure that the vascular puncture has a very high success rate and is effective. To avoid the occurrence of complications, to ensure the safety of patients' lives.

Example 2:

The present invention provides a method for puncturing and guiding a blood vessel, and the method sequentially includes the following steps:

S1, target vessel imaging

The ultrasonic diagnostic apparatus is powered on, and the handheld ultrasonic probe 1 detects the target blood vessel 40. The detected images of the target blood vessel 40 and surrounding tissues are displayed on the display of the ultrasonic diagnostic apparatus. Adjust the position of the ultrasonic probe 1 so that the image of the target blood vessel 40 is first marked The auxiliary line 10 is bisected, and the relative position of the ultrasonic probe 1 and the skin is fixed;

S2, target vessel tracing

Adjust the positions of the second marking auxiliary line 20 and the third marking auxiliary line 30 through the input control module, so that the two are tangent to the vessel walls on both sides of the target blood vessel 40 respectively;

S3, vascular puncture

The needle insertion position and direction are determined by the needle insertion mark 11 on the ultrasonic probe 1. During the needle insertion process, keep the needle 50 between the second marking auxiliary line 20 and the third marking auxiliary line 30 to limit the range of the puncture needle. , until the needle 50 enters the lumen of the target vessel 40 .

With the assistance of the first marking auxiliary line 10 corresponding to the position of the needle insertion mark 11, the operator can help the operator to clarify the physical space relationship among the target blood vessel 40, the needle insertion mark 11 and the ultrasound image; adjust the position of the ultrasound probe 1 so that the The image of the target vessel 40 is bisected by the first marking auxiliary line 10. At this time, the needle insertion mark 11 is just above the target blood vessel 40, providing an accurate reference for the needle insertion position; by adjusting the second marking auxiliary line 20 and the third marking auxiliary line 20 The position of the line 30 traces the horizontal diameter range of the target blood vessel 40, which provides an auxiliary reference for the needle insertion angle and adjustable direction, so as to ensure that the blood vessel puncture has a very high success rate, effectively avoid the occurrence of complications, and protect the life of the patient. Safety.

In S3, the first marking auxiliary line 10 can be hidden through the input control module before needle insertion, so as to prevent the first marking auxiliary line 10 from blocking the operator's sight and affecting the operator's observation of the position of the needle 50 during needle insertion.

Example 3:

In S2 of Example 2, through the input control module, with the first marking auxiliary line 10 as the central axis, the positions of the second marking auxiliary line 20 and the third marking auxiliary line 30 are symmetrically adjusted, so that they are respectively two and a half from the target blood vessel 40. The side walls are tangent.

Example 4:

In S3 of Example 2, the needle insertion position and direction are determined by the needle insertion mark 11 on the ultrasonic probe 1. During the needle insertion process, the needle head 50 is kept to be inserted in the direction of the first marking auxiliary line 10 until the needle head 50 enters the target blood vessel. 40 cavity.

To sum up, compared with the prior art, the present invention has the following beneficial effects:

In the embodiment of the present invention, with the assistance of the first marking auxiliary line corresponding to the position of the needle insertion mark on the ultrasonic probe, the operator is assisted to clarify the physical space relationship among the target blood vessel, the needle insertion mark and the ultrasonic image; position, so that the image of the target blood vessel is bisected by the first marking auxiliary line, and the needle insertion mark is just above the target blood vessel, providing an accurate reference for the needle insertion position; by adjusting the second marking auxiliary line and the third marking auxiliary line The position traces the horizontal diameter range of the target blood vessel, and provides an auxiliary reference for the needle insertion angle and adjustable direction, so as to ensure that the blood vessel puncture has a very high success rate, effectively avoid the occurrence of complications, and ensure the life safety of the patient.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. A vascular puncture guide assist device, comprising: an ultrasonic diagnostic apparatus and a marking module;

the ultrasonic diagnostic apparatus includes: the device comprises a device host and an ultrasonic probe (1); the side wall of the shell of the ultrasonic probe (1) is provided with a needle inserting mark (11);

the device host includes: a display and an input control module;

the marking module displays a first marking auxiliary line (10), a second marking auxiliary line (20) and a third marking auxiliary line (30) on a display; the first mark auxiliary line (10) corresponds to the position of the needle inserting mark (11);

the second mark auxiliary line (20) and the third mark auxiliary line (30) are freely adjusted in position on the display through the input control module respectively.

2. The vessel puncture guide assisting device according to claim 1, wherein the first mark auxiliary line (10), the second mark auxiliary line (20), and the third mark auxiliary line (30) are vertically arranged, and the input control module controls the second mark auxiliary line (20) and the third mark auxiliary line (30) to horizontally move.

3. The vessel puncture guiding aid according to claim 2, wherein the first marker auxiliary line (10) bisects the image of the target vessel (40), and the second marker auxiliary line (20) and the third marker auxiliary line (30) are tangent to the vessel wall on both sides of the target vessel (40), respectively.

4. A method for guiding a blood vessel puncture using the blood vessel puncture guide assisting device according to any one of claims 1 to 3, characterized by comprising the steps of:

s1 target vessel imaging

The ultrasonic diagnostic apparatus is powered on, the target blood vessel (40) is detected by holding the ultrasonic probe (1), the detected image of the target blood vessel (40) and the surrounding tissues is displayed on the display of the ultrasonic diagnostic apparatus, the position of the ultrasonic probe (1) is adjusted, the image of the target blood vessel (40) is divided equally by the first mark auxiliary line (10), and the relative position of the ultrasonic probe (1) and the skin is fixed;

s2 target angiography

The positions of the second marking auxiliary line (20) and the third marking auxiliary line (30) are respectively adjusted through the input control module, so that the second marking auxiliary line and the third marking auxiliary line are respectively tangent with the tube walls on two sides of the target blood vessel (40);

s3, blood vessel puncture

The needle inserting position and the needle inserting direction are determined through the needle inserting mark (11) on the ultrasonic probe (1), and in the needle inserting process, the needle head (50) is kept to be positioned between the second mark auxiliary line (20) and the third mark auxiliary line (30) all the time, the needle inserting range of the puncture needle is limited until the needle head (50) enters the cavity of the target blood vessel (40).

5. The blood vessel puncture guiding method according to claim 4, wherein in S2, the positions of the second marker auxiliary line (20) and the third marker auxiliary line (30) are symmetrically adjusted by the input control module using the first marker auxiliary line (10) as a central axis so that they are tangent to the vessel walls on both sides of the target vessel (40).

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