CN216675854U

CN216675854U - Puncture auxiliary device

Info

Publication number: CN216675854U
Application number: CN202121866961.2U
Authority: CN
Inventors: 王勇; 于佳正; 陈安之; 史纪鹏; 何万亮; 张强强; 陈小刚
Original assignee: Truehealth Beijing Medical Technology Co Ltd
Current assignee: True Health Guangdong Hengqin Medical Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-06-07
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the field of medical instruments and discloses a puncture auxiliary device and a puncture method, wherein the puncture auxiliary device comprises a bottom plate, a puncture needle and a puncture needle, wherein the bottom plate is used for being paved on a human body scanning machine bed of a CT machine; the sliding chute is arranged on the bottom plate along the length direction of the human body scanning machine tool; the sliding grooves comprise a first sliding groove and a second sliding groove which are arranged at the edge positions of two opposite sides of the bottom plate; the two ends of the marking assembly are respectively fixed in the first sliding groove and the second sliding groove to be arranged above the structure of the human body scanning machine tool in a surrounding mode, and the marking assembly can move along the sliding grooves and is used for connecting and presetting a puncture path between a focus position in a human body and a mark outer point of the marking assembly when the CT machine scans the human body so as to determine a puncture site and a puncture angle on the human body. The utility model solves the technical problem that the puncture point cannot be accurately positioned due to the fact that the puncture position of the conventional laser guide equipment is easy to change due to shielding or slight change of the position of a patient in the operation process.

Description

Puncture auxiliary device

Technical Field

The utility model relates to the field of medical instruments, in particular to a puncture auxiliary device.

Background

With the development of medical technology, the minimally invasive diagnosis and treatment under the guidance of CT is more and more widely applied, the key of the diagnosis and treatment technology is accurate puncture, the accurate puncture mainly relates to the angle, the layer and the depth of a puncture needle, and the angle and the layer are factors which are difficult to control, so the main factors influencing the puncture accuracy are the needle insertion angle and the needle insertion layer of the puncture needle. At present, most hospitals operate by hands according to experience, and because the needle inserting angle of the puncture needle is a three-dimensional space angle, the success rate of simple experience operation is low, repeated adjustment is needed, the operation time is prolonged, and meanwhile, the pain and the operation risk of patients are increased.

At present, a relatively precise operation mode is to adopt laser to position, however, a base for fixing the laser must be arranged at the tail part of a CT machine tool, the long axis of the base is parallel to the short axis of a CT scanning bed, the projection of a word line of the laser must be vertical to the plane vertical to the horizontal plane of the CT machine, a support frame is slid to a proper position, the laser is opened and rotated, the real-time display data of a display is matched with the angle data measured according to the CT, the needle insertion route preset before an operation is determined to be consistent with that of the operator, then a doctor holds a puncture needle to insert the needle along the word light mark line of the laser, and the puncture needle can be inserted into a focus according to a preset needle path. Secondly, the light source of the laser is emitted from the head side or foot side of the patient, and the head of the surgical facility, equipment, or the surgeon or physician's assistant is easily shielded from the projection of the linear laser beam due to the need to look down during the surgery, and the laser projection line cannot be projected to the surgical field, and the positioning function is completely lost.

Meanwhile, in the operation process of puncture under the guidance of CT, after the needle insertion point and the needle insertion angle are determined through the CT machine, the human body is out of the CT machine for operation, because the patient moves the body, the human body breathes or the hand of an operator shakes, the body surface puncture point and the guide laser line can not coincide, or the laser line is shielded due to other reasons and cannot be projected to an operation area, so that the laser guide device loses the guide effect, at the moment, the puncture operation is completed by bare hands by depending on the experience of an operator, more pain is brought to the patient, the operation risk is increased, the operation is inconvenient, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a puncture auxiliary device to solve the technical problem that a puncture point cannot be accurately positioned due to the fact that a conventional laser guide device is easy to change in puncture position due to shielding or slight change of the position of a patient in the operation process in the related art.

In order to achieve the above object, the present invention provides a puncture assisting device;

the puncture assisting device includes:

the bottom plate is used for being laid on a human body scanning machine bed of the CT machine;

the sliding chute is arranged on the bottom plate along the length direction of the human body scanning machine tool; the sliding grooves comprise a first sliding groove and a second sliding groove which are arranged at the edge positions of two opposite sides of the bottom plate;

the two ends of the marking assembly are respectively fixed in the first sliding groove and the second sliding groove to be arranged above the structure of the human body scanning machine tool in a surrounding mode, and the marking assembly can move along the sliding grooves and is used for connecting and presetting a puncture path between a focus position in a human body and a mark outer point of the marking assembly when the CT machine scans the human body so as to determine a puncture site and a puncture angle on the human body.

The puncture auxiliary device is arranged, a bottom plate of the puncture auxiliary device is laid on a human body scanner of the CT machine, a sliding groove is arranged in the length direction of the human body scanning machine tool, and the marking assembly can move above a structure surrounding the human body scanning machine tool through the sliding groove, so that the puncture path is preset by connecting a focus position in a human body and a marking outer point of the marking assembly when the CT machine scans the human body, and a puncture point and a puncture angle on the human body are determined. The movable setting of marking subassembly on the spout, the convenience is adjusted marking subassembly according to the operation demand of reality and is located same vertical direction setting with human focus, and then can be better mark the position of focus. The marking assembly is fixed on the first sliding groove and the second sliding groove of the sliding grooves to enclose and close the human body, so that the marking and the puncture path are preset conveniently, and the situation that the puncture position accuracy is reduced due to blocking or puncture guide failure or puncture sites which cannot be timely determined in the operation process is avoided. And then solved because the puncture position that conventional laser guide equipment easily sheltered from or patient's position slightly changes and leads to changes and cause the technical problem that can't carry out accurate location puncture point because of the operation in-process.

Preferably, the marker assembly includes a transparent hose and a guide ring bead, an end of the transparent hose being disposed in the chute; a plurality of said guide ring beads being arranged radially one behind the other in the transparent tube, and/or

The pipe diameter of the transparent hose is larger than the diameter of the guide ring bead in the transparent hose and is smaller than two times of the diameter of the guide ring bead.

Preferably, the puncture assisting device comprises a slider for limiting the marking assembly in the sliding groove.

Preferably, the slider includes a sliding bottom plate extending along a sliding direction of the sliding slot, and the sliding bottom plate is provided with at least one mounting portion for fixing the marking assembly.

Preferably, the mounting portion is a structural groove for fixing the transparent hose.

Preferably, the guide ring beads comprise ring beads that can be classified into at least two types according to density and/or diameter.

Preferably, the slide groove includes a first slide groove and a second slide groove provided at edge positions of opposite sides of the bottom plate.

Preferably, the marker assembly has a height of 5-12cm around the human body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model and to enable other features, objects and advantages of the utility model to be more fully apparent. The drawings and their description illustrate the utility model by way of example and are not intended to limit the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of a puncture assisting device provided according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the slider of fig. 1;

fig. 3 is a CT scan of fig. 1 during application.

Reference numerals

1. A base plate; 2. a chute; 201. a first chute; 202. a second chute; 3. a marking component; 301. A transparent hose; 302. a guide ring bead; 4. a slider; 401. a sliding bottom plate; 402. an installation part; 5. Marking outer points; 6. a puncture site; 7. a focus of disease; 8. a human body.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein.

In the present invention, the terms "upper", "lower", "bottom", "inner", "outer", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 3, the present invention provides a puncture assisting device, which includes a base plate 1, a chute 2 and a marking assembly 3, wherein the base plate 1 is used for being laid on a human body scanning machine tool of a CT machine, the chute 2 is arranged on the base plate 1 along a length direction of the human body scanning machine tool, the chute 2 includes a first chute 201 and a second chute 202 arranged at edge positions of two opposite sides of the base plate 1; two ends of the marking assembly 3 are respectively fixed in the first chute 201 and the second chute 202 to be arranged above the structure of the human body scanning machine tool in a surrounding manner, and the marking assembly 3 can move along the chute 2 and is used for connecting and presetting a puncture path between the position of a focus 7 in a human body and a mark outer point 5 of the marking assembly 3 when the CT machine scans the human body so as to determine a puncture site 6 and a puncture angle on the human body 8. The both ends of mark subassembly 3 set up respectively in first spout 201 and second spout 202, can ensure the compactness that mark subassembly 3 and spout are connected, and the stability of structure when can effectually ensure mark subassembly 3 and follow spout 2 and slide along the utmost point simultaneously can effectively prevent the emergence of the dislocation condition that slides to the stability of puncture auxiliary device wholeness performance in the use has been improved.

In an alternative embodiment of the present invention, the marker assembly 3 includes a transparent hose 301 and a guide ring bead 302, at least one end of the transparent hose 301 is disposed in the chute 2, and a plurality of guide ring beads 302 are radially connectively disposed in the transparent hose 301. In an alternative embodiment of the present invention, the diameter of the transparent tube 301 is greater than the diameter of the guiding ring bead 302 in the transparent tube 301 and is less than twice the diameter of the guiding ring bead 302, so as to ensure that the guiding ring beads 302 are sequentially arranged in the transparent tube 301, thereby facilitating the presetting of the puncture path by labeling CT scanning images on different ring beads of the guiding ring bead 302. The specific structure of the transparent hose 301 may be an arc-shaped structure, or a structure setting with a bending angle and forming a rectangle or triangle with the bottom plate 1 in an enclosing manner, but all the structures which are required to be arranged above the human body to be detected, and can perform CT image labeling through a guide ring bead arranged in a pipeline thereof to draw a puncture path, and assist the effect of performing the puncture operation belong to the same or similar structure settings of the utility model. Further alternatively, the marker assembly 3 may have a height of 5-12cm around the person 8.

In an alternative embodiment of the present invention, the puncture assisting device comprises a sliding member 4 for limiting the marking assembly 3 in the sliding groove 2, and the arrangement of the sliding member 4 can improve the flexibility of connecting the marking assembly 3 with the sliding groove 2, and facilitate the sliding of the marking assembly 3 in the sliding groove 2. At this time, both ends of the transparent hose 301 of the marking assembly 3 are slidably disposed in the first chute 201 and the second chute 202 by the slider 4, respectively. In an alternative embodiment of the present invention, the slider 4 comprises a sliding bottom plate 401 extending along the sliding direction of the sliding chute 2, and at least one mounting portion 402 for fixing the marking assembly 3 is arranged on the sliding bottom plate 401, and the mounting portion 402 can be a structural groove for fixing the transparent hose 301. The arrangement of the sliding bottom plate 401 increases the sliding contact area of the slider 4 in the sliding slot 2, and avoids the occurrence of the situation that the slider 4 is jammed or misplaced in the sliding slot 2 in the sliding process due to the contact area of the slider 4 and the sliding slot 2 being too small.

In order to improve the identification degree of the marking assembly 3, in an alternative embodiment of the present invention, the guiding ring beads 302 include ring beads that can be divided into at least two types according to density and/or diameter, and the ring beads of different types are radially connected and arranged in the transparent flexible pipe 301 according to a certain sequence, so that the identification degree of the ring beads at different positions in the transparent flexible pipe 301 is increased, and an operator can conveniently mark the corresponding ring beads at the marking outer points on the marking assembly 3 after performing a preset puncture path on the corresponding lesion in a CT scan. The occurrence of the situation of label dislocation caused by recognition error due to the same structure of the ring beads is avoided.

The puncture auxiliary device provided by the utility model can be a local material, such as a base, and is a foam publicity board eliminated by departments, and is characterized in that: the CT scanning bed has the advantages of easy acquisition, moderate hardness, good fitting property between the CT scanning bed and the examined person, stable support for the sliding grooves on the two sides, convenient installation and no influence on scanning.

The sliding groove is a common curtain sliding groove in the market, is made of plastic, has low density, does not influence scanning, and is adhered to proper positions on two sides of the base.

The slider is a sliding groove self-bring, and a transparent tetrafluoride tube with the length of about 5 centimeters (both long points and short points) and the inner diameter of 1cm is fixed with the slider by glue, so that a ring bead can be conveniently connected; two sliders are in a group and are fixedly adhered by wood sheets with the length of about 10 centimeters (both long points and short points), and a group is prepared on the left and the right; the purpose is to stabilize the slider in the sliding groove and prevent the slider from shaking.

A plurality of plastic beads and stone beads with the diameter of 6mm, 5mm and 4mm are taken as the ring beads; the plastic beads are blue and have the diameter of 6 mm; the stone beads are black, the diameter is more than 6mm, and the diameter is more than 4 mm; according to a certain arrangement rule (the arrangement rule is freely mastered and can be conveniently recognized), the wires are threaded into strings, and the total length is about 75 cm; the tube is placed into a tetrafluoro tube with the length of about 78cm, the outer diameter of 1cm and the inner diameter of 8mm, and the two ends of the tube are plugged. The pipe of external diameter 1cm can insert the pipe of internal diameter 1cm, plays the fixed function of connection, simple to operate, and whole does not influence the scanning.

The puncture auxiliary device provided by the utility model has the beneficial technical effects of simple structure, convenience in installation, accurate angle auxiliary guide and bedding auxiliary guide. Meanwhile, the sliding groove marking assembly can slide to the puncture layer surface to provide angle and layer surface guide, the fixed focus is accurately positioned, and the positioning and guiding function is also great for the focus affected by respiratory motion.

The present invention also provides a puncture method using any one of the above puncture assisting devices, comprising the steps of:

laying a bottom plate of the puncture auxiliary device on a human body scanning machine bed of the CT machine;

the human body 8 lies on the base in the supine, prone, left side or right side according to the requirement of the body position;

sticking a mark line on the part of the human body 8 to be punctured;

installing the marking assembly 3 in the sliding chute 2 of the bottom plate 1 so as to enclose the marking assembly 3 capable of moving along the sliding chute 2 above the human body 8;

performing CT image scanning, finding a focus 7 to be punctured on a CT transverse axial image, drawing a to-be-punctured path by taking the focus 7 as a starting point, wherein the intersection point of the puncture path and the body surface of a human body 8 is a puncture site 6, and the intersection point of the puncture path and the marking component 3 is an outer marking point 5;

according to the CT image and the body surface mark line of the human body, marking a puncture site 6 on the body surface of the human body 8, and adjusting the position of the marking component 3 to enable the marking component and the puncture site 6 to be positioned on the same vertical plane;

the tip of the puncture needle is pricked at a puncture site 6, the tail end of the puncture needle is overlapped with a connecting line of the marked outer point 5, and the puncture needle is inserted to be pricked on a focus 7.

In an alternative embodiment of the present invention, the marking assembly 3 comprises a transparent hose 301 and a guiding ring bead 302, wherein both ends of the transparent hose 301 are respectively disposed in the sliding grooves 2 at the edges of both sides of the bottom plate 1 through the sliding members 4, so as to ensure that the marking assembly 3 is disposed perpendicular to the length direction of the human body 8, thereby facilitating the marking of the position in the CT scan.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A puncture assistance device, characterized in that it comprises:

the bottom plate (1) is used for being laid on a human body scanning machine bed of the CT machine;

the sliding chute (2) is arranged on the bottom plate (1) along the length direction of the human body scanning machine tool; the sliding chute (2) comprises a first sliding chute (201) and a second sliding chute (202) which are arranged at the edge positions of two opposite sides of the bottom plate (1);

the two ends of the marking assembly (3) are respectively fixed in the first sliding groove (201) and the second sliding groove (202) to be arranged above the structure of the human body scanning machine tool in a surrounding mode, the marking assembly (3) can move along the sliding grooves (2) and is used for presetting the connection of a puncture path between a focus position in a human body and a mark outer point of the marking assembly (3) when the CT machine scans the human body so as to determine a puncture site and a puncture angle on the human body.

2. A puncture assistance device according to claim 1, wherein the marker assembly (3) comprises a transparent hose (301) and a guide ring bead (302), the end of the transparent hose (301) being arranged in the chute (2); a plurality of said guide ring beads (302) are radially arranged in said transparent hose (301).

3. A puncture assistance device according to claim 2, wherein the transparent hose (301) has a pipe diameter larger than the diameter of the guide ring bead (302) inside the transparent hose (301) and smaller than twice the diameter of the guide ring bead (302).

4. A penetration aid according to claim 1, wherein the penetration aid comprises a slider (4) for retaining a marker assembly (3) in the chute (2).

5. A puncture aid according to claim 4, wherein the slider (4) comprises a slide base (401) extending in the sliding direction of the chute (2), the slide base (401) being provided with at least one mounting portion (402) for securing a marker assembly (3).

6. A puncture aid according to claim 5, wherein the mounting portion (402) is a structural recess for securing a transparent hose (301).

7. Puncture assistance device according to claim 2, characterized in that the guiding ring bead (302) comprises ring beads that can be divided into at least two types depending on density and/or diameter.

8. A puncture assistance device according to any one of claims 1 to 7, characterized in that the height of the marker assembly (3) around the body is 5-12 cm.