CN220967894U - Tumor electric field therapeutic apparatus - Google Patents

Abstract

The application provides a tumor electric field therapeutic apparatus, which comprises a plurality of electrode patches and an electric field generator or an adapter electrically connected with the electrode patches, wherein the adapter or the electric field generator is provided with a plurality of sockets, each socket is provided with an inserting part, each electrode patch is provided with a plug which is inserted with the corresponding inserting part, each inserting part is provided with a transition part formed on the periphery side of the inserting part and an inserting surface positioned at the end part of the inserting part, each transition part comprises an upper transition part and a lower transition part positioned on different sides of the inserting surface, each plug is provided with a butt joint cavity for accommodating the corresponding inserting part and a chamfer positioned on the periphery side of the butt joint cavity, and each chamfer comprises an upper chamfer which can only be matched with the corresponding upper transition part and a lower chamfer which can only be matched with the corresponding lower transition part. According to the application, through the arrangement of the transition part of the socket and the chamfer of the plug, the problem that the plug and the socket are damaged due to misplug of the electrode patch can be avoided.

Description

Tumor electric field therapeutic apparatus

Technical Field

The application relates to a tumor electric field therapeutic apparatus.

Background

Tumor electric field therapy has been used for many years as a physical therapeutic means, and a tumor therapeutic method in which a low-intensity, medium-high-frequency, alternating electric field interferes with the mitotic process of tumor cells is generated by a special electric field generating device. Research shows that the electric field treatment has obvious effect in treating glioblastoma, non-small cell lung cancer, malignant pleural mesothelioma and other diseases, can influence the aggregation of tubulin, prevent spindle formation, inhibit mitosis process and induce cancer cell apoptosis.

Tumor electric field therapeutic apparatuses for tumor electric field therapy generally include an electric field generator, a plurality of pairs of electrode patches, and an adapter, the adapter transmitting alternating current signals generated by the electric field generator to the electrode patches, which are applied to a lesion of a patient to perform electric field therapy on the lesion. The adapter is provided with a cable connected with the electric field generator and a plurality of sockets, the electrode patches are provided with wiring, the tail ends of the wiring are provided with plugs which are in butt joint with the corresponding sockets of the adapter, so that alternating current signals of the electric field generator are transmitted to the electrode patches through the wiring, an electric field is formed between each pair of electrode patches, and electric field treatment is carried out on a tissue region where a focus is located.

The adapter comprises an upper cover, a lower cover, a main board and a plurality of sockets, wherein the upper cover and the lower cover are clamped up and down to form a containing cavity, and the sockets are electrically connected with the main board and contained in the containing cavity together with the sockets. The upper cover and the lower cover are provided with a plurality of plug interfaces at the front side of the adapter, the plug interfaces respectively expose the plug faces of the sockets, and the plugs on the electrode patches are inserted into the plug interfaces to be electrically connected with the sockets. The plurality of sockets are correspondingly arranged in groups, and the electrode patches are required to be plugged with the sockets in the corresponding groups and cannot be plugged with the electrode patches in other groups. However, the existing adaptor has basically the same socket structure, the electrode patches are not easy to distinguish when being plugged, and the electrode patches are easy to misplug so that the electrode patches cannot be paired.

Therefore, improvements to existing tumor electric field therapeutic apparatus are needed.

Disclosure of utility model

The application provides a tumor electric field therapeutic apparatus, which can realize the plugging of the electrode patches of the same pair with corresponding sockets and avoid the fact that the electrode patches cannot be paired due to the misplug of the electrode patches and the sockets.

Specifically, the application is realized by the following technical scheme: the utility model provides a tumour electric field therapeutic instrument, includes a plurality of electrode patches and with electrode patch electric connection electric field generator or adapter, the adapter or electric field generator is equipped with a plurality of sockets, each the socket all has a grafting portion, each electrode patch all be equipped with correspond grafting portion grafting plug, grafting portion has the transition portion that forms in its week side and is located its tip's grafting face, the transition portion is including being located upper transition portion and the lower transition portion of grafting face different sides, the plug has the butt joint chamber that holds grafting portion and be located butt joint chamber week side's chamfer, the chamfer include only can with upper transition portion complex upper chamfer and only can with lower transition portion complex lower chamfer.

According to one embodiment of the utility model, the transition portion and the chamfer are both arranged in an arc shape, the size of the upper transition portion is different from the size of the lower transition portion, and the size of the upper chamfer is different from the size of the lower chamfer.

According to one embodiment of the utility model, the radius of the circle in which the upper transition portion is located is larger than the radius of the circle in which the lower transition portion is located.

According to one embodiment of the utility model, the radius of the circle of the upper transition part is slightly smaller than the radius of the circle of the upper chamfer, and the radius of the circle of the lower transition part is slightly smaller than the radius of the circle of the lower chamfer.

According to one embodiment of the utility model, the upper chamfer and the lower chamfer have different shapes or different dimensions.

According to one embodiment of the utility model, the upper transition and the lower transition have different shapes or different dimensions.

According to one embodiment of the utility model, the plug surface is rectangular, and the transition parts are positioned at four corners of the plug surface.

According to one embodiment of the utility model, the upper transition portions are located at two corners above the plugging surface, and the lower transition portions are located at two corners below the plugging surface.

According to one embodiment of the utility model, one of the plug-in part and the plug is provided with a limiting groove along the plug-in direction, and the other is provided with a limiting rib matched with the limiting groove along the plug-in direction.

According to one embodiment of the utility model, the limiting groove is arranged on the plug-in part, and the limiting rib is arranged on the plug and protrudes towards the inside of the butt joint cavity.

According to one embodiment of the utility model, the limit groove is formed by recessing the outer surface of the plugging portion.

According to an embodiment of the present utility model, each of the limiting grooves is disposed at a different position on the corresponding plugging portion.

According to one embodiment of the utility model, the plug further comprises a plurality of pins which are suspended in the butt joint cavity and are arranged in an array, and the limiting ribs are positioned beside a row of pins with a smaller number.

According to one embodiment of the utility model, the plug comprises a plug body which forms the plug cavity and is arranged in a rectangular shape, and the chamfers are formed at four corners of the plug body, which are positioned in the butt joint cavity.

The tumor electric field therapeutic apparatus of the application can only be matched with the upper chamfer angles of the plugs of the corresponding electrode patches through the upper transition parts formed at different positions of a plurality of sockets of the adapter or the electric field generator, and the lower transition parts can only be matched with the small chamfer angles of the plugs of the corresponding electrode patches, so that the reverse plug of the plugs can be avoided, and terminals or pins which are positioned in the plugs and the sockets and are used for electrically connecting the electrode patches with the electric field generator or the adapter can be protected.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

Fig. 1 is a schematic block diagram of a tumor electric field therapeutic apparatus of the present application.

Fig. 2 is a perspective view of an adapter according to one embodiment of the present application.

Fig. 3 is a schematic view of the adaptor shown in fig. 2 mated with a plurality of cable connectors.

Fig. 4 is an exploded perspective view of the adapter shown in fig. 2.

Fig. 5 is a perspective view of a receptacle of the adapter shown in fig. 2.

Fig. 6 is a perspective view of the interface of the socket of the adapter and the cable connector shown in fig. 3.

Fig. 7 is a plan view of the plug shown in fig. 3.

Reference numerals illustrate:

Tumor electric field therapeutic apparatus 1000, adapter 100, electric field generator 200, electrode patch 300, housing 10, lower cover 1, bottom wall 11, side wall 12, lower notch 121, upper cover 2, top wall 21, side wall 22, upper notch 221, plug port 20, socket 3, plug face 30, socket body 31, terminal 32, plug portion 33, plug hole 34, outer side face 35, top face 351, bottom face 352, left side face 353, right side face 354, transition portion 36, upper transition portion 361, lower transition portion 362, limit groove 37, first socket 3A, second socket 3B, main board 4, cable 5, cable connector 6, plug 61, plug body 611, pin 612, lateral wall 613, top lateral wall 6131, bottom lateral wall 6132, left lateral wall 6133, right lateral wall 6134, docking cavity 614, chamfer 615, upper chamfer 616, lower chamfer 617, limit rib 618, first plug 61a, second plug 61B.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus, systems, devices, and methods that are consistent with aspects of the application.

Referring to fig. 1 to 3, the present application provides a tumor electric field therapeutic apparatus 1000, which includes an adapter 100, an electric field generator 200, and a plurality of pairs of electrode patches 300, the electrode patches 300 being applied on a body surface at a tumor site of a patient, the adapter 100 transmitting an alternating current signal generated by the electric field generator 200 to the electrode patches 300 to form a therapeutic electric field between each pair of electrode patches 300.

The adapter 100 comprises a lower cover 1, an upper cover 2, a plurality of sockets 3, a main board 4 and a cable 5, wherein the lower cover 1 and the upper cover 2 are assembled and fixed up and down to form a shell 10, the sockets 3 and the main board 4 are electrically connected and are all arranged in the shell 10, and the sockets 3 are positioned on the front side of the shell 10. The cable 5 is located at the rear end of the adapter 100, one end of the cable extends into the housing 10 and is electrically connected to the motherboard 4, and the other end of the cable is electrically connected to the electric field generator 200. The electrode patch 300 is provided with a wiring (not numbered), one end of the wiring (not numbered) is provided with a cable connector 6 with a plug 61, and the plug 61 is inserted into the adapter 100 to be in butt joint with the socket 3 so as to electrically connect the electrode patch 300 and the adapter 100.

In other embodiments, the electric field generator 200 is provided with a plurality of sockets having the same structure as the socket 3 of the adapter 100, and a plurality of pairs of electrode patches 300 having one-to-one corresponding wires (not numbered) are directly inserted into the corresponding sockets on the electric field generator 200 through the plugs 61 on the wires (not numbered).

Referring to fig. 4, the lower cover 1 has a substantially rectangular box shape, and includes a bottom wall 11 and a plurality of side walls 12 located around the bottom wall 11, and the side wall 12 located at the forefront side is provided with a plurality of lower notches 121 recessed downward from the upper surface of the side wall 12 corresponding to each socket 3; the upper cover 2 comprises a top wall 21 and a plurality of side walls 22 positioned around the top wall 21, and the side wall 22 positioned at the forefront side is provided with a plurality of upper notches 221 which are upwards recessed from the lower surface of the side wall 22 corresponding to the sockets 3; when the upper cover 2 and the lower cover 1 are covered up and down, the lower notch 121 and the corresponding upper notch 221 are aligned up and down to form a plug interface 20, and each socket 3 is exposed out of the plug interface 30 at the front end of the socket through the corresponding plug interface 20.

Referring to fig. 5 to 7, the socket 3 is provided with a socket body 31 and a plurality of terminals 32 fixed in the socket body 31, the socket body 31 is provided with a socket portion 33 having a plurality of socket holes 34, and the terminals 32 are fixed in the socket holes 34. The plug 61 is provided with a plug body 611 and a plurality of pins 612 fixed in the plug body 611, the front end of the plug body 611 is surrounded by a plurality of lateral walls 613 to form a butting cavity 614, and the front ends of the pins 612 are suspended in the butting cavity 614. The shape of the mating portion 33 of the receptacle 3 matches the shape of the mating cavity 614 of the plug 61. When the plug 61 is docked with the socket 3, the plug-in portion 33 of the socket 3 is inserted into the docking cavity 614 of the plug 61, and the pin 612 of the plug 61 is inserted into the plug-in hole 34 of the plug-in portion 33 to contact with the terminal 32, so as to realize electrical connection between the plug 61 and the socket 3.

The plug portion 33 of the socket 3 has a substantially rectangular block shape, and has a rectangular plug face 30 at a front end face and a plurality of outer side faces 35 circumferentially surrounding the plug portion 33, the plurality of outer side faces 35 including a top face 351, a bottom face 352, and opposite left and right side faces 353 and 354. The mating cavity 614 of the plug 61 is a generally rectangular cavity, with the lateral walls 613 including a top lateral wall 6131 on an upper side, a bottom lateral wall 6132 on a lower side, and left and right lateral walls 6133 and 6134 on left and right sides. The transition surfaces connecting the two adjacent outer side surfaces 35 are cambered surfaces, namely, the four corners of the plug surface 30 are formed with arc-shaped transition parts 36, correspondingly, the four corners of the plug body 611 at the butting cavity 614 are arc-shaped chamfer angles 615, and when the plug 61 is butted with the socket 3, the transition parts 36 and the chamfer angles 615 are matched to form a guiding function. In the present embodiment, the cross section of the transition portion 36 has an arc of 90 ° and the chamfer 615 also has an arc of 90 °.

The transition portion 36 includes an upper transition portion 361 at two corners on the upper side of the plugging surface 30 and a lower transition portion 362 at two corners on the lower side of the plugging surface 30, so as to avoid the plug 61 from being reversely inserted up and down, the radius of the circle where the upper transition portion 361 is located is different from the radius of the circle where the lower transition portion 362 is located. The chamfer 615 includes an upper chamfer 616 of the socket body 31 at two corners of the upper side of the docking chamber 614 and a lower chamfer 617 of the socket body 31 at two corners of the lower side of the docking chamber 614, the radius of the circle of the upper chamfer 616 is slightly larger than the radius of the upper transition portion 361, and the radius of the circle of the lower chamfer 617 is slightly larger than the radius of the lower transition portion 362. In this embodiment, the radius of the circle where the upper transition portion 361 is located is larger than the radius of the circle where the lower transition portion 362 is located, and if the plug 61 is reversely inserted, the upper transition portion 361 will block the inverted lower chamfer 617, so as to avoid damage to the terminals 32 in the socket 3 caused by reverse insertion of the plug 61. The curvature of the upper transition 361 is the same as the curvature of the lower transition 362, and the curvature of the upper chamfer 616 is the same as the curvature of the lower chamfer 617.

As an alternative, the shape of the inner wall of the housing 10 of the adapter 100 at the plug socket 20 can be adapted to the shape of the front end of the plug 61 that is inserted into the plug socket 20, so that the plug 61 must be inserted in the correct plug-in direction when the plug socket 20 is inserted.

In this embodiment, the tumor electric field therapeutic apparatus 1000 is provided with two pairs of electrode patches 300, the adapter 100 is provided with four sockets 3, the adapter 100 is correspondingly provided with four plug interfaces 20, the four sockets 3 can be divided into a group of first sockets 3A and a group of second sockets 3B, and the first sockets 3A and the second sockets 3B are arranged in a row in a staggered manner; one pair of the two pairs of the pair of cable connectors 6 of the two pairs of electrode patches 300 has a first plug 61a that mates with the first receptacle 3A, and the other pair has a second plug 61B that mates with the second receptacle 3B. In order to avoid the first plug 61a from being inserted into the second socket 3B in the socket 3, the first socket 3A and the second socket 3B are provided with limiting grooves 37 located at different positions, the limiting grooves 37 extend along the abutting direction, and the first plug 61a and the second plug 61B are respectively provided with an inter-fit limiting rib 618 correspondingly. The first plug 61a and the second plug 61B are identical in structure except for the position of the stopper groove 37, and the first socket 3A and the second socket 3B are identical in structure except for the position of the stopper rib 618.

Specifically, the left side 353 of the first socket 3A is provided with a limiting groove 37, the left side wall 6133 of the first plug 61a is correspondingly provided with a limiting rib 618, the right side 354 of the second socket 3B is provided with a limiting groove 37, and the right side wall 6134 of the second plug 61B is correspondingly provided with a limiting rib 618. When the first plug 61a is mated with the first socket 3A or the second plug 61B is mated with the second socket 3B, the stopper rib 618 may be inserted into the corresponding stopper groove 37; and when the first plug 61a is mated with the second receptacle 3B or the second plug 61B is mated with the first receptacle 3A, the mating face 30 will abut the stop rib 618 to prevent further insertion.

In this embodiment, eleven pins 612 are provided, the pins 612 are arranged in three rows up and down in the docking cavity 614, four pins 612 are provided in each of the first row and the third row, three pins 612 are provided in the second row, four pins 612 in the first row and four pins 612 in the third row correspond up and down respectively, and three pins 612 in the second row and four pins 612 in the first row or the third row are arranged in staggered manner. The spacing rib 618 is located beside the second row of pins 612 having a smaller number of pins 612 because the space beside the second row of pins 612 is relatively larger, which facilitates the placement of the spacing rib 618. The number, arrangement, size, etc. of the terminals 32 of the receptacle 3 matches the number, arrangement, size, etc. of the pins 612.

When the socket 3 of the adapter 100 of the tumor electric field therapeutic apparatus 1000 of the application is plugged with the plug 61 of the electrode patch 300, the plug-in part 33 is inserted into the butting cavity 614 of the plug 61, the radii of the circles of the upper transition parts 361 and the lower transition parts 362 at the four corners of the plug-in surface 30 of the plug-in part 33 are different, the plug body 611 is provided with the upper chamfer 616 positioned at the two upper corners of the butting cavity 614 and corresponding to the upper transition parts 361 and the lower chamfer 617 positioned at the two lower corners of the butting cavity 614 and corresponding to the lower transition parts 362, so that the plug 61 can be prevented from being reversely plugged. In addition, the limit grooves 37 at different positions are arranged for different sockets 3, and the limit ribs 618 which are matched with the limit grooves 37 are correspondingly arranged on the corresponding plug 61, so that the plug 61 can be matched with the correct socket 3, and the purpose of preventing the plug 61 from being misplaced with the socket 3 is achieved.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.

Claims (14)

1. The utility model provides a tumour electric field therapeutic instrument, includes a plurality of electrode paster and with electrode paster electric connection electric field generator or adapter, the adapter or electric field generator is equipped with a plurality of sockets, each the socket all has a grafting portion, each electrode paster all be equipped with correspond grafting portion grafting plug, its characterized in that: the plug comprises a plug body and a plug head, wherein the plug head is provided with a transition part formed on the peripheral side of the plug head and a plug face positioned at the end part of the plug head, the transition part comprises an upper transition part and a lower transition part which are positioned on different sides of the plug face, the plug head is provided with a butt joint cavity for accommodating the plug head and a chamfer positioned on the peripheral side of the butt joint cavity, and the chamfer comprises an upper chamfer which can only be matched with the upper transition part and a lower chamfer which can only be matched with the lower transition part.

2. The tumor electric field therapeutic apparatus according to claim 1, wherein: the transition portion with the chamfer all is the arcuation setting, the size of upper transition portion with the size of lower transition portion is different, the size of upper chamfer with the size of lower chamfer is different.

3. The tumor electric field therapeutic apparatus according to claim 2, wherein: the radius of the circle where the upper transition part is located is larger than that of the circle where the lower transition part is located.

4. The tumor electric field therapeutic apparatus according to claim 2, wherein: the radius of the circle of the upper transition part is slightly smaller than that of the circle of the upper chamfer, and the radius of the circle of the lower transition part is slightly smaller than that of the circle of the lower chamfer.

5. The tumor electric field therapeutic apparatus according to claim 1, wherein: the upper chamfer and the lower chamfer have different shapes or different sizes.

6. The tumor electric field therapeutic apparatus according to claim 1, wherein: the upper transition and the lower transition have different shapes or different sizes.

7. The tumor electric field therapeutic apparatus according to claim 1, wherein: the grafting face is rectangular and sets up, the transition portion is located the four corners department of grafting face.

8. The tumor electric field therapeutic apparatus according to claim 7, wherein: the upper transition part is positioned at two corners above the plug face, and the lower transition part is positioned at two corners below the plug face.

9. The tumor electric field therapeutic apparatus according to claim 1, wherein: one of the plug-in part and the plug is provided with a limit groove along the plug-in direction, and the other one is provided with a limit rib matched with the limit groove along the plug-in direction.

10. The tumor electric field therapeutic apparatus according to claim 9, wherein: the limiting groove is formed in the plug-in portion, and the limiting rib is arranged on the plug and protrudes towards the butt joint cavity.

11. The tumor electric field therapeutic apparatus according to claim 10, wherein: the limiting groove is formed by recessing the outer surface of the plug-in connection part.

12. The tumor electric field therapeutic apparatus according to claim 10, wherein: the positions of the limiting grooves on the corresponding plug-in connection parts are different.

13. The tumor electric field therapeutic apparatus according to claim 10, wherein: the plug further comprises a plurality of contact pins which are suspended in the butt joint cavity and are arranged in an array mode, and the limiting ribs are located beside one row of contact pins with a small number.

14. The tumor electric field therapeutic apparatus according to claim 1, wherein: the plug comprises a plug body which forms the butt joint cavity and is arranged in a rectangular shape, and the chamfer angles are formed at the four corners of the plug body, which are positioned in the butt joint cavity.