CN215839361U

CN215839361U - Percutaneous lung puncture auxiliary device under CT location

Info

Publication number: CN215839361U
Application number: CN202023247314.1U
Authority: CN
Inventors: 汪志方; 郑翠侠; 韩志青
Original assignee: Shanghai Yangpu Central Hospital
Current assignee: Shanghai Yangpu Central Hospital
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-02-18
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a percutaneous lung puncture auxiliary device under CT positioning, belonging to the technical field of medical instruments. Because the device comprises a fixing mechanism, a bendable rod, a precise operating platform, a rotating mechanism and a level gauge. Accurate operation platform divide into mount table and operation panel, has placed the spirit level in the recess of mount table, according to CT machine formation of image back, the needle angle is advanced in the spirit level adjustment to show angle numerical value, medical personnel carry out perpendicular puncture through the puncture hole that sets up on the puncture platform according to the angle numerical value that shows, carry out the level puncture through two archs. Therefore, the percutaneous lung puncture auxiliary device under CT positioning provided by the utility model improves the accuracy and success rate of puncture operations, and has wide application prospect for other similar puncture operations.

Description

Percutaneous lung puncture auxiliary device under CT location

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a percutaneous lung puncture auxiliary device under CT positioning.

Background

CT guided percutaneous aspiration lung biopsy is a relatively mature technology developed in the radiology department for nearly ten years. Is mainly suitable for patients with lung pathological changes, such as tumor, nodule, soft tissue pathological changes, and the like. Often, the lesion tissue is obtained by this examination, and the nature of the lesion is clarified by pathological examination. This kind of puncture means needs to be located with the help of imaging, and the most accurate method at present is that the patient carries out the puncture biopsy while doing CT scanning. Hence, it is called a CT guided percutaneous aspiration lung biopsy. The examination needs to be carried out in a sterile environment, the puncture time depends on the size and the depth of the lesion, and the puncture time is normally 15-20 min.

During the process of percutaneous aspiration lung biopsy under the guidance of CT, the aspiration time is 15-20min, during the operation, a doctor or a nurse needs to hold the needle cylinder for a long time, and the needle cylinder can shake, so that the needle head shakes inside a human body, the pain of a patient is aggravated, the needle head deviates from the accurate position, and the sampling by the doctor is not facilitated.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a percutaneous lung puncture assisting device under CT positioning.

The utility model provides a percutaneous lung puncture auxiliary device under CT positioning, which is used for adjusting the needle inserting angle of a puncture needle when the percutaneous lung puncture is performed under the CT machine positioning on a patient, wherein the CT machine comprises a bed for the patient to lie flat, and the device has the characteristics that the device comprises a fixing mechanism which is arranged on the edge of the bed; one end of the bendable rod is arranged on the fixing mechanism; the accurate operation platform is arranged at one end of the flexible rod, which is far away from the fixing mechanism; the rotating mechanism is arranged between the bendable rod and the accurate operating platform and is used for controlling the accurate operating platform to rotate at multiple angles relative to the end part of the bendable rod close to the accurate operating platform; the level gauge is arranged on the accurate operation platform and used for measuring the needle inserting angle of the puncture needle; the precise operating platform comprises a mounting table, a positioning table and a control device, wherein the mounting table is provided with a groove for accommodating the level; and a puncture platform which is arranged at one side of the mounting platform and is provided with a plurality of puncture holes for puncture needles to pass through.

The utility model provides a percutaneous lung puncture auxiliary device under CT positioning, which is also characterized in that: the fixing mechanism comprises a cross beam which is a cuboid and is arranged at the bottom end of the bendable rod; the two suckers are arranged on the lower surface of the cross beam; and the oblique foot stand is arranged on the lower surface of the cross beam, and the oblique foot stand and the two suckers are on the same plane.

The percutaneous lung puncture auxiliary device under CT positioning provided by the utility model also has the characteristics that the device also comprises a transparent plastic shell which is covered above the level meter and used for keeping the level meter sterile.

The percutaneous lung puncture auxiliary device under CT positioning provided by the utility model is also characterized by further comprising a sterile plastic bag which is sleeved on the bendable bracket and used for keeping the bendable bracket sterile.

The percutaneous lung puncture auxiliary device under CT positioning provided by the utility model is also characterized by further comprising a plastic ball which is sleeved at one end of the bendable rod, which is far away from the rotating mechanism, and is contacted with a bed or a body part of a patient, so that the stability of the bendable rod is improved.

The percutaneous lung puncture auxiliary device under CT positioning provided by the utility model is also characterized by further comprising two annular bulges, wherein the two annular bulges are arranged on the puncture platform and are positioned at one side of the plurality of puncture holes.

Action and effect of the utility model

According to the CT positioning percutaneous lung puncture auxiliary device, the fixing mechanism is arranged at the edge of the bed; one end of the bendable rod is arranged on the fixing mechanism; the accurate operation platform is arranged at one end of the flexible rod, which is far away from the fixing mechanism, and the accurate operation platform is detachably connected with the flexible rod; the rotating mechanism is arranged between the bendable rod and the accurate operating platform and is used for controlling the accurate operating platform to rotate at multiple angles relative to the end part of the bendable rod close to the accurate operating platform; the level gauge is arranged on the accurate operation platform and used for measuring the needle inserting angle of the puncture needle; the precise operating platform comprises a mounting table, a positioning table and a control device, wherein the mounting table is provided with a groove for accommodating the level; and a puncture platform which is arranged at one side of the mounting platform and is provided with a plurality of puncture holes for puncture needles to pass through. Therefore, the percutaneous lung puncture auxiliary device under CT positioning provided by the utility model can be used for accurately adjusting the puncture auxiliary device after the lung image of a patient entering the CT machine is scanned, so that the accuracy and success rate of the puncture operation are greatly improved, and the percutaneous lung puncture auxiliary device under CT positioning has wide application prospect for other similar puncture operations.

Drawings

FIG. 1 is a schematic structural diagram of a percutaneous lung puncture auxiliary device under CT positioning in an embodiment of the utility model;

FIG. 2 is a schematic structural view of a fixing mechanism in an embodiment of the present invention; and

fig. 3 is a schematic structural diagram of a precision operation platform according to an embodiment of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is specifically described below by combining the embodiment and the attached drawings.

< example >

In the embodiment, after the CT machine performs lung scanning imaging on a patient, the position of a pulmonary nodule is determined, and the percutaneous lung puncture auxiliary device positioned by the CT machine is arranged at the edge of a bed below the CT machine, on which the patient lies, so that the needle inserting angle of a puncture needle is adjusted, and the puncture operation is completed.

Fig. 1 is a schematic structural diagram of a percutaneous lung puncture auxiliary device under CT positioning in an embodiment of the utility model.

As shown in fig. 1, the percutaneous lung puncture auxiliary device under CT positioning provided by the present invention includes a fixing mechanism 1, a bendable rod 2, a precise operation platform 3, a plastic ball 4 and a rotating mechanism 5.

Fig. 2 is a schematic structural view of a fixing mechanism in an embodiment of the present invention.

As shown in fig. 2, the fixing mechanism 1 is installed at the edge of the CT machine tool, and includes a beam 11, a suction cup 12, and a bevel stand 13.

Crossbeam 11 is the cuboid, sets up the bottom at flexible rod 2.

The suction cups 12 are two in number and are installed on the lower surface of the beam 11.

The number of the inclined foot frames 13 is one, and the inclined foot frames 13 are installed on the lower surface of the cross beam 11, and the inclined foot frames 13 and the two suckers 12 are on the same horizontal plane to form three supporting points, so that the whole fixing mechanism 1 is more stable.

The bendable rod 2 is an alloy hose, the bottom end of the bendable rod is integrally connected with the cross beam 11, the bendable rod can be optionally twisted, the shape of the bendable rod is changeable, and the top end of the bendable rod is connected with the accurate operation platform 3 through the rotating mechanism 5. In this embodiment, in order to prevent the bendable lever 2 from being contaminated, a sterile plastic bag (not shown) is provided around the bendable lever 2 to keep the bendable lever 2 sterile during the puncturing operation.

As shown in fig. 3, the precise operation platform 3 is installed at one end of the bendable lever 2 away from the fixing mechanism 1, and can be rotated by the rotating mechanism 5. The precision operation platform 3 comprises an installation platform 31, a puncture platform 32, a puncture hole 33 and a protrusion 34. A level gauge 35 is placed in a recess in the mounting table 31, the level gauge 35 being covered with a plastic shell 36.

The mounting table 31 is a rectangular parallelepiped and is made of a hard material. With a recess for receiving a level 35.

The level gauge 35 is a rectangular parallelepiped and is installed in a groove of the mounting table 31 for measuring the needle insertion angle of the puncture needle. In this embodiment, the level gauge 35 is a high-precision level gauge 35, which can accurately measure the needle insertion angle and can realize XY axis angle measurement.

The plastic shell 36 is transparent and covers the level 35 to keep the level 35 sterile.

The puncture table 32 is provided on one side of the mounting table 31, and has a plurality of puncture holes 33 through which puncture needles vertically pass. The puncture holes 33 are provided with four rows in the vertical direction, each vertical row is provided with five puncture holes 33, and each puncture hole 33 has the same size and is matched with the needle head of the puncture needle. In this embodiment, be close to patient's pleura to patient's lung nodule, and when bulky, medical personnel pass through CT machine imaging, confirm the position of lung nodule, and medical personnel open spirit level 35, through the angle of inserting the needle that shows on the spirit level 35, find a puncture hole 33 that corresponds with it to carry out perpendicular puncture, and need not remove the puncture platform. The aperture of a plurality of puncture holes 33 and the syringe needle phase-match of pjncture needle, the puncture hole only can let the syringe needle of pjncture needle pass, does not have other spaces between the syringe needle of puncture hole and pjncture needle, makes the syringe needle can not take place the skew in puncture hole 33 at the puncture in-process to make the accurate perpendicular puncture of carrying out fast of pjncture needle.

The number of the protrusions 34 is two, and the protrusions are annular and are arranged on the puncture platform 32, specifically beside the last vertical row of puncture holes 33, and are used for parallel puncture. In the embodiment, the level 35 displays the needle insertion angle according to the CT imaging, the medical staff determines the needle insertion angle of the puncture needle according to the needle insertion angle value displayed by the level 35, and the puncture needle passes through the holes of the two bulges 34 to perform horizontal puncture. The aperture of the two bulges 34 is matched with the size of the needle head of the puncture needle, when the puncture needle passes through the holes of the two bulges 34, no other gap exists between the needle head and the hole of each bulge 34, so that the needle head is not deviated in the hole, and the puncture needle is punctured in the horizontal direction.

The plastic ball 4 is a sphere, a through hole for the bendable rod 2 to pass through is arranged in the middle, the plastic ball 4 can be placed on a bed, and can also be contacted with the body part of a patient to increase the contact point, so that the stability of the bendable rod 2 is increased.

The rotating mechanism 5 is installed between the bendable rod 2 and the precise operation platform 3, and is used for controlling the precise operation platform 3 to rotate at multiple angles relative to the top end of the bendable rod 2. In this embodiment, the rotating mechanism 5 is a knob type, when the level gauge 35 displays the needle insertion angle, the medical staff rotates the rotating mechanism 5 to adjust the angle of the precise operating platform 3, and a knob (not shown) of the rotating mechanism 5 is rotated to fix the precise operating platform 3, so as to perform the puncture operation.

The use method of the percutaneous lung puncture auxiliary device under CT positioning according to the embodiment is as follows:

step 1, determining the position of a pulmonary nodule of a patient according to the imaging of a CT machine, and fixing a fixing mechanism 1 on the edge of a bed below the CT machine by medical personnel;

step 2, the medical staff opens the level meter 35, according to CT imaging, the level meter 35 adjusts the needle inserting angle of the puncture needle and displays the angle value, the medical staff determines the needle inserting angle according to the displayed angle value and selects to carry out vertical puncture or horizontal puncture;

and 3, after the needle head of the puncture needle is taken out of the tissue in the nodule of the lung of the patient, taking down the fixing mechanism 1 from the edge of the bed, and finishing the puncture operation.

Effects and effects of the embodiments

According to the percutaneous lung puncture auxiliary device under CT positioning related to the embodiment, the fixing mechanism is arranged at the edge of the bed; one end of the bendable rod is arranged on the fixing mechanism; the accurate operation platform is arranged at one end of the flexible rod, which is far away from the fixing mechanism, and the accurate operation platform is detachably connected with the flexible rod; the rotating mechanism is arranged between the bendable rod and the accurate operating platform and is used for controlling the accurate operating platform to rotate at multiple angles relative to the end part of the bendable rod close to the accurate operating platform; the level gauge is arranged on the accurate operation platform and used for measuring the needle inserting angle of the puncture needle; the precise operating platform comprises a mounting table, a positioning table and a control device, wherein the mounting table is provided with a groove for accommodating the level; and a puncture platform which is arranged at one side of the mounting platform and is provided with a plurality of puncture holes for puncture needles to pass through. Therefore, the percutaneous lung puncture auxiliary device under CT location provided by the embodiment can be used for accurately adjusting the puncture auxiliary device after lung image scanning is performed on a patient entering the CT machine, so that the accuracy and success rate of the puncture operation are greatly improved, and the percutaneous lung puncture auxiliary device under CT location has a wide application prospect for other similar puncture operations.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims

1. The utility model provides a percutaneous lung puncture auxiliary device under CT location for adjust the needle inserting angle of pjncture needle when carrying out percutaneous lung puncture under the CT machine location to the disease, the CT machine includes: a bed for lying on said patient, comprising:

a fixing mechanism mounted at the edge of the bed;

one end of the bendable rod is arranged on the fixing mechanism;

the accurate operation platform is arranged at one end of the bendable rod, which is far away from the fixing mechanism;

the rotating mechanism is arranged between the bendable rod and the accurate operating platform and used for controlling the accurate operating platform to rotate at multiple angles relative to the end part, close to the accurate operating platform, of the bendable rod; and

the level gauge is arranged on the accurate operation platform and used for measuring the needle inserting angle of the puncture needle;

wherein, accurate operation platform includes:

a mounting table having a recess for receiving the level; and

and the puncture platform is arranged on one side of the mounting platform and is provided with a plurality of puncture holes for the puncture needle to pass through.

2. The CT-positioned percutaneous pulmonary puncture auxiliary device according to claim 1,

wherein, the fixed establishment includes:

the crossbeam is a cuboid and is arranged at the bottom end of the bendable rod;

the two suckers are arranged on the lower surface of the cross beam; and

and the oblique foot stand is arranged on the lower surface of the cross beam, and the oblique foot stand and the two suckers are on the same plane.

3. The CT-locatable percutaneous pulmonary puncture assistance device of claim 1, further comprising:

a transparent plastic shell covering over the level for maintaining sterility of the level.

4. The CT-locatable percutaneous pulmonary puncture assistance device of claim 1, further comprising:

and the sterile plastic bag is sleeved on the bendable bracket and is used for keeping the bendable bracket sterile.

5. The CT-locatable percutaneous pulmonary puncture assistance device of claim 1, further comprising:

the plastic ball is sleeved at one end of the bendable rod, which is far away from the rotating mechanism, and is contacted with the bed or the body part of the patient, so as to increase the stability of the bendable rod.

6. The CT-locatable percutaneous pulmonary puncture assistance device of claim 1, further comprising:

and the two annular bulges are arranged on the puncture platform and are positioned on one side of the puncture holes.