CN215228354U

CN215228354U - Buckle type microwave needle replacing instrument

Info

Publication number: CN215228354U
Application number: CN202120064734.1U
Authority: CN
Inventors: 盛林; 于文杰
Original assignee: Beijing Viicare Medical Technology Co ltd
Current assignee: Beijing Viicare Medical Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-12-21
Anticipated expiration: 2031-01-11

Abstract

The utility model provides an apparatus is changed to buckle formula microwave needle, including microwave needle installation apparatus, be equipped with the fixture fixing base on the microwave needle installation apparatus, the microwave needle fixture draw-in groove has been seted up on the fixture fixing base, the embedded knot of microwave needle fixture in the microwave needle fixture draw-in groove has microwave needle fixture, microwave needle fixture internal fixation has the microwave needle, the utility model discloses an adopt microwave needle installation apparatus, and then realized the quick replacement of microwave needle, in addition, the utility model discloses still connect arm and magnetic field sensor, on the basis of having expanded the effective work domain of arm, also realized the accurate positioning between magnetic field sensor and microwave needle, provide the basis for the accurate operation of arm control microwave needle in the operation.

Description

Buckle type microwave needle replacing instrument

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a buckle formula microwave needle changes apparatus is related to.

Background

Under the characteristics of clear CT image, non-invasive non-radiation, real-time direct monitoring and the like, the microwave ablation is carried out by using a special treatment needle to penetrate into liver tumor through skin for treatment. The heat effect of the microwave needle enables the liver cancer tissue to locally reach the temperature of more than 70 ℃ within a few minutes, so that the coagulation necrosis of the tumor target tissue is caused, the surrounding tissue is rarely or not damaged, and the purpose of burning off the tumor cells is achieved. The minimally invasive treatment mode has the greatest characteristics of small wound and small influence on the whole body of a patient. The microwave ablation treatment is not caused by radiotherapy and chemotherapy, such as: alopecia, asthenia, anorexia, leukopenia, and immunity improving effect. Moreover, some patients with liver cancer, which is a long part of the liver, are often not operated or the cancer focus can not be completely removed. The microwave ablation treatment can still achieve good effect, and at least can achieve the effect of reducing tumor load, so that the aims of symbiosis with cancer, life prolonging and life quality improvement are achieved. And secondly, the minimally invasive ablation treatment mode also greatly relieves the pain of the patient and is easy to be accepted by the patient.

In the operation process, the microwave needle is as disposable operation articles for use, often use and trade promptly, and microwave needle and arm snap-on, by the accurate control displacement of arm, but this also causes the dismantlement inconvenient, the change mode is comparatively loaded down with trivial details, change speed is slow, and because complex operation takes for a long time, arouse more easily in the change process that the equipment goes up the bacterium and adhere to, adaptation operation process that can not be fine, general arm is because the design requirement, effective operating space all has, can only keep the high accuracy operation in certain space range promptly, this has greatly limited operation process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an apparatus is changed to buckle formula microwave needle, this apparatus is changed to buckle formula microwave needle has connected arm and microwave needle fixture, can quick replacement microwave needle fixture, and the bacterium adheres to in the reduction art, improves the operation effect.

The utility model provides an apparatus is changed to buckle formula microwave needle, including microwave needle installation apparatus, be equipped with the fixture fixing base on the microwave needle installation apparatus, the microwave needle fixture draw-in groove has been seted up on the fixture fixing base, the embedded knot of microwave needle fixture draw-in groove has microwave needle fixture, microwave needle fixture internal fixation has the microwave needle.

Further, the microwave needle installation apparatus is an installation arm, a flange is arranged at one end of the installation arm, the installation arm is connected with the mechanical arm through the flange, an installation seat is arranged at the other end of the installation arm, a magnetic field sensor is installed on the installation seat, and the magnetic field sensor is used for determining the position of the microwave needle in a magnetic field.

Further, the fixture fixing seat is located on the side face of the mounting arm.

Furthermore, the fixture fixing seat and the mounting arm are of an integrally formed structure.

Furthermore, a line hole is formed in the mounting arm, and the line hole is located at the connecting position of the mounting arm and the flange plate.

Furthermore, the middle part of the mounting arm is a semi-concave ring part, and the fixture fixing seat is positioned on the side surface of the semi-concave ring part.

Furthermore, the mounting arm is further provided with a calibration hole, and the calibration hole is located in the semi-concave ring part and corresponds to the fixture fixing seat.

Furthermore, an installation groove is formed in the installation seat, and the magnetic field sensor is installed in the installation groove.

The technical scheme of the utility model through adopting microwave needle installation apparatus, on installing microwave needle installation apparatus with microwave needle fixture, realized the quick replacement of microwave needle fixture to also realized the quick replacement of microwave needle, in addition, the utility model discloses still connected arm and magnetic field sensor, on having expanded the basis of the effective work domain of arm, also realized the accurate positioning between magnetic field sensor and microwave needle, for the arm control microwave needle carries out accurate operation in the operation and provides the basis.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic view of the present invention from another angle of fig. 1;

FIG. 3 is an enlarged view of the mounting base of the present invention;

FIG. 4 is an enlarged schematic view of a clamping groove of the microwave needle clamp of the present invention;

FIG. 5 is an enlarged schematic view of the calibration hole of the present invention;

fig. 6 is a cross-sectional view of the present invention;

description of reference numerals:

1-mounting arm, 2-fixture fixing seat, 3-microwave needle fixture clamping groove, 4-flange plate, 5-mounting seat, 6-circuit hole, 7-semi-concave ring part and 8-calibration hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6:

the utility model provides an apparatus is changed to buckle formula microwave needle, is equipped with fixture fixing base 2 including installation arm 1 on the installation arm 1, has seted up microwave needle fixture draw-in groove 3 on the fixture fixing base 2, and the microwave needle fixture is buckled to microwave needle fixture draw-in groove 3 is embedded, and microwave needle fixture internal fixation has the microwave needle. The matching of the clamping apparatus and the clamping groove is various, the whole clamping apparatus fixing seat 2 can be an integral convex block, or can be an assembled seat body, the clamping apparatus clamping groove is arranged on the seat body, the microwave needle clamping apparatus carries a microwave needle which can be embedded into the clamping apparatus clamping groove, namely, the clamping apparatus fixing seat 2 is fixed on the mounting arm 1, the fixing of the microwave needle is completed, when the microwave needle is to be replaced, the microwave needle clamping apparatus is pulled out from the clamping apparatus clamping groove, another microwave needle clamping apparatus is replaced, the replacing of the microwave needle is completed, the microwave needle clamping apparatus generally comprises an inner clamping apparatus and an outer clamping apparatus, the cross section is L-shaped, the narrow surfaces of the two L-shaped clamping apparatuses are respectively embedded into the clamping apparatus clamping grooves at the two sides of the clamping apparatus fixing seat 2, the wide surface of the inner clamping apparatus is attached to the front surface of the clamping apparatus fixing seat 2, the wide surface of the outer clamping apparatus is attached to the front surface of the wide surface of the inner clamping apparatus, the microwave needle is positioned between the wide surfaces of the inner clamping apparatus and the outer clamping apparatus, the microwave needle is fixed by the inner and outer clamps.

One end of the mounting arm 1 is provided with a flange plate 4, the mounting arm 1 is connected with the mechanical arm through the flange plate 4, the other end of the mounting arm 1 is provided with a mounting seat 5, and the mounting seat 5 is provided with a magnetic field sensor which is used for determining the position of the microwave needle in a magnetic field. The installation arm 1 is a long arm, the installation arm does not need a multi-axis transmission function of a mechanical arm, but the installation arm has a certain length, because one function of the installation arm 1 is as extension of the mechanical arm, the motion track of each joint of the mechanical arm is optimized, the effective motion space of the mechanical arm is enlarged, one end of the installation arm 1 is connected with the mechanical arm through a flange, a magnetic field sensor is installed at the other end of the installation arm 1, the magnetic field sensor is fixed with the mechanical arm through the installation arm 1, and because a microwave needle is installed on the installation arm 1 through a microwave needle clamp, the position between the mechanical arm and the microwave needle is fixed, the position of the microwave needle in the whole effective motion space of the mechanical arm is fixed, and accurate puncture positioning of the microwave needle can be realized.

Fixture fixing base 2 is located the side of installation arm 1, and fixture fixing base 2 and installation arm 1 are integrated into one piece structure. The fixture fixing seat 2 is not limited to one, the microwave needle fixture and the microwave needle fastened on the fixture fixing seat are not limited to one, the fixture fixing seat 2 should be distributed on the side face of the installation arm 1, namely the microwave needle penetrates through the microwave needle fixture and can reach the puncture position directly, the puncture position and the puncture direction are not accurate due to the fact that the microwave needle is shielded or touched by the installation arm 1, and the fixture fixing seat 2 is symmetrically arranged on the two side faces of the installation arm 1.

A line hole 6 is formed in the mounting arm 1, and the line hole 6 is located at the connecting position of the mounting arm 1 and the flange plate 4. The wiring holes 6 may be used to connect various devices on the mounting arm 1 to the control system of the robotic arm via various wires, or the wiring connections within the wiring holes 6 may control the operation of the robotic arm. The microwave ablation process is not a complete automatic process, and doctors often need manual control, examination and the like in the operation, so the process is necessary for controlling the mechanical arm at any time, a circuit hole 6 is designed at the joint of the installation arm 1 and the mechanical arm, the circuit in the circuit hole is connected with a multi-axis system of the mechanical arm, when a control key is pressed, the mechanical arm can be flexibly controlled, a user can pull the position of the mechanical arm to carry out other processes, the control does not need to be connected through wires, the control can also be wireless, a signal generator is arranged in the circuit hole 6, the control key is pressed, and the signal generator sends signals to a control system of the mechanical arm, namely the control system controls the flexible movement of the mechanical arm.

The middle part of installation arm 1 is half concave ring portion 7, and fixture fixing base 2 is located half concave ring portion 7's side. Because the installation arm 1 is as the extension part of arm, help the arm to enlarge effective motion space, then installation arm 1 not only need have the extension on the length for the arm, also need high extension, half concave ring portion 7 is as the mounted position of microwave needle fixture and microwave needle, should design for streamlined, then along with the difference of the position of fixture fixing base 2, the position of microwave needle fixture and microwave needle also can change, according to the patient size state of difference, can realize more accurate preoperative or intraoperative location.

The mounting arm 1 is further provided with a calibration hole 8, and the calibration hole 8 is located in the semi-concave ring part 7 and corresponds to the fixture fixing seat 2. The calibration aims at determining the positions of the mechanical arm and the microwave needle in the space to be matched with a three-dimensional model of a diseased part established by a doctor, the calibration holes 8 are four-channel holes formed by converging three holes at the top to one hole at the bottom, when the calibration device is used, the microwave needle is fixed in a middle hole, the mechanical arm is operated to a calibration point in the three-dimensional model, the coordinate of the mechanical arm is read at the moment, the position calibration process is finished, and the microwave needle is fixed at two side holes to carry out the direction calibration process.

When the microwave needle replacing device is used, firstly, the flange between the mounting arm 1 and the mechanical arm is fixedly connected, the magnetic field sensor at the other end of the mounting arm 1 is started, a calibration program is operated, position information of a mechanical arm control system is fed back in real time through the magnetic field sensor, the control system determines the position coordinates of the mechanical arm in a three-dimensional field and corresponds to the three-dimensional field established by a user in advance, then a microwave needle clamp is embedded and buckled into a clamp clamping groove of the clamp fixing seat 2, namely, the microwave needle mounting process is completed, when the microwave needle needs to be replaced in an operation or after the operation, the microwave clamp needle is directly pulled out from the clamp clamping groove, another microwave clamp is replaced, and then the microwave needle replacing process is completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an apparatus is changed to buckle formula microwave needle, its characterized in that includes microwave needle installation apparatus, be equipped with the fixture fixing base on the microwave needle installation apparatus, set up microwave needle fixture draw-in groove on the fixture fixing base, the embedded microwave needle fixture that has buckled of microwave needle fixture draw-in groove, microwave needle fixture internal fixation has the microwave needle.

2. The buckle type microwave needle replacing instrument according to claim 1, wherein the microwave needle installing instrument is an installing arm, a flange is arranged at one end of the installing arm, the installing arm is connected with the mechanical arm through the flange, an installing seat is arranged at the other end of the installing arm, a magnetic field sensor is installed on the installing seat, and the magnetic field sensor is used for determining the position of the microwave needle in a magnetic field.

3. The clip-type microwave needle exchanging apparatus according to claim 2, wherein the clip fixing seat is located at a side of the mounting arm.

4. The clip-type microwave needle replacing instrument according to claim 3, wherein the clip fixing seat and the mounting arm are of an integrally formed structure.

5. The snap-in microwave needle changer of claim 2, wherein the mounting arm has a wire hole formed therein, and the wire hole is located at a connection between the mounting arm and the flange.

6. The clip-type microwave needle replacing instrument according to claim 2, wherein the middle part of the mounting arm is a half-concave ring part, and the clip fixing seat is located on the side surface of the half-concave ring part.

7. The clip type microwave needle replacing instrument according to claim 6, wherein the mounting arm is further provided with a calibration hole, and the calibration hole is located in the semi-concave ring portion and corresponds to the clip fixing seat.

8. The buckle type microwave needle replacing instrument according to claim 2, wherein a mounting groove is formed in the mounting seat, and the magnetic field sensor is mounted in the mounting groove.