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CN-224220584-U - Electrode mechanism and electroosmosis drug delivery device

CN224220584UCN 224220584 UCN224220584 UCN 224220584UCN-224220584-U

Abstract

The utility model discloses an electrode mechanism and an electroosmosis drug delivery device, and belongs to the technical field of electroosmosis drug delivery. The electrode mechanism comprises an electrode layer arranged at the top of a gel body, the electrode layer comprises a base layer, a groove with a downward opening is formed on the corresponding side of the base layer and the gel body, a blocking part is formed in the groove, the blocking part is a ring body formed by inwards shrinking the side wall of the groove, the blocking part is used for dividing the groove into 2 mounting grooves with the same area, electrodes are arranged in the mounting grooves, an electrode channel is formed between the 2 mounting grooves, a first communication channel and a second communication channel are respectively formed between the 2 mounting grooves and the side wall of the base layer, and wires connected with the corresponding electrodes are respectively arranged in the first communication channel and the second communication channel. Through integrating 2 or more than 2 electrodes, the electric field sensor is applicable to gels with different shapes and sizes, and is stuck or placed after position calculation without considering electric field uniformity, so that the electric field sensor is simple and quick to install, and the installation efficiency is improved.

Inventors

  • XU CHANG
  • TAI ZONGGUANG
  • LIU JUN
  • CHEN ZHONGJIAN
  • TAN FEI
  • ZHANG JIE

Assignees

  • 上海市皮肤病医院

Dates

Publication Date
20260512
Application Date
20250117

Claims (10)

  1. 1. An electrode mechanism comprises an electrode layer (100) arranged at the top of a gel body, and is characterized in that the electrode layer (100) comprises a base layer (210), a groove (220) with a downward opening is formed on the corresponding side of the base layer (210) and the gel body, a blocking part (230) is formed in the groove (220), the blocking part (230) is a ring body formed by inwards shrinking the side wall of the groove (220), the blocking part (230) is used for separating the groove (220) into 2 mounting grooves (240) with the same area, electrodes are arranged in the mounting grooves (240), and an electrode channel is formed between the 2 mounting grooves (240); A first communication channel (310) and a second communication channel (320) are respectively formed between the 2 mounting grooves (240) and the side wall of the base layer (210), and wires connected with corresponding electrodes are respectively arranged in the first communication channel (310) and the second communication channel (320).
  2. 2. An electrode mechanism according to claim 1, wherein the base layer (210) has a circular cross-sectional shape perpendicular to the depth direction, the one mounting groove (240) is integrally formed in a cylindrical shape, and the other mounting groove (240) is integrally formed in a circular cylindrical shape.
  3. 3. An electrode mechanism according to claim 1, wherein the base layer (210) has a circular cross-sectional shape perpendicular to the depth direction, and the 2 mounting grooves (240) are each formed in a circular columnar shape as a whole.
  4. 4. An electrode mechanism according to claim 1, wherein the base layer (210) has a polygonal cross-sectional shape perpendicular to the depth direction, the one mounting groove (240) is integrally formed in a polygonal column shape, and the other mounting groove (240) is integrally formed in a polygonal cross-sectional annular column shape.
  5. 5. An electrode assembly according to claim 1, wherein the electrode base has a plurality of connection contacts (250) extending downwardly into the gel.
  6. 6. An electrode means according to claim 5, wherein the connection contact (250) tapers from top to bottom at the junction with the electrode.
  7. 7. An electrode assembly according to claim 1, wherein the base layer (210) is an insulating material.
  8. 8. An electrode mechanism according to claim 1, wherein the mounting groove (240) has an opening portion and a bottom wall portion, the recess (220) is formed by the opening portion being recessed to the bottom wall portion so as to taper outwardly in the depth direction, and a projection of the opening portion in the depth direction at the base layer (210) does not exceed an area where the bottom wall portion is located.
  9. 9. An electrode mechanism according to claim 1, wherein a plurality of blocking portions (230) are formed in the recess (220), the plurality of blocking portions (230) are used for dividing the recess (220) into a plurality of mounting grooves (240) having the same area, the number of the mounting grooves (240) is an even number, and an electrode channel is formed between adjacent mounting grooves (240).
  10. 10. An electroosmotic delivery device having an electrode mechanism according to any one of claims 1 to 9.

Description

Electrode mechanism and electroosmosis drug delivery device Technical Field The utility model relates to the technical field of electroosmosis drug delivery, in particular to an electrode mechanism and an electroosmosis drug delivery device. Background Electroosmosis is a mode of administration based on the principle of iontophoresis, in which a gel containing a drug is energized by contact with the skin (skin and mucous membrane), so that the drug ions migrate into the skin or are introduced into the body through the skin. Electroosmosis administration technology is widely used in various fields such as medical treatment, cosmetology and the like due to the advantages of non-invasiveness, high drug delivery efficiency and the like. The existing electroosmosis transfusion electrode is usually at least 2 electrodes, and when the gel is connected with the electrodes, the electrodes are often directly adhered or placed on the surface of the gel, and the connection mode is simple, but the electric field uniformity is considered, 2 electrode mounting positions are calculated respectively, and then the electrodes are adhered or placed on the surface of the gel, so that the operation is complicated. Disclosure of utility model The present utility model provides an electrode mechanism and electroosmotic delivery device that overcomes some or all of the shortcomings of the prior art. The utility model relates to an electrode mechanism, which comprises an electrode layer arranged at the top of a gel, wherein the electrode layer comprises a base layer, a groove with a downward opening is formed on the corresponding side of the base layer and the gel, a blocking part is formed in the groove, the blocking part is a ring body formed by inwards shrinking the side wall of the groove, the blocking part is used for dividing the groove into 2 mounting grooves with the same area, electrodes are arranged in the mounting grooves, and an electrode channel is formed between the 2 mounting grooves; A first communication channel and a second communication channel are respectively formed between the 2 mounting grooves and the side wall of the base layer, and wires connected with the corresponding electrodes are respectively arranged in the first communication channel and the second communication channel. Preferably, the base layer has a circular cross-sectional shape perpendicular to the depth direction, the one mounting groove is formed in a cylindrical shape as a whole, and the other mounting groove is formed in a circular cylindrical shape as a whole. Preferably, the cross section of the base layer perpendicular to the depth direction is annular, and the whole of the 2 mounting grooves is formed into an annular column shape. Preferably, the cross-section of the base layer perpendicular to the depth direction is polygonal, the whole of the one mounting groove is formed into a polygonal column, and the whole of the other mounting groove is formed into an annular column with a polygonal cross section. Preferably, the electrode base has a plurality of connection contacts extending downwardly into the gel. Preferably, the connection contact is formed by tapering from top to bottom at the connection with the electrode. Preferably, the base layer is an insulating material. Preferably, the mounting groove has an opening portion and a bottom wall portion, and the groove is formed by the opening portion being recessed to the bottom wall portion in a tapered manner outwardly in the depth direction, and a projection of the opening portion at the base layer in the depth direction does not exceed a region where the bottom wall portion is located. Preferably, a plurality of blocking parts are formed in the groove, the blocking parts are used for dividing the groove into a plurality of mounting grooves with the same area, the number of the mounting grooves is even, and an electrode channel is formed between every two adjacent mounting grooves. An electroosmotic delivery device having any one of the above-described electrode mechanisms. The beneficial effects of the utility model are as follows: According to the utility model, 2 or more than 2 electrodes are integrated into a whole, so that the utility model is suitable for gels with different shapes and sizes, and is simple and quick to mount and improves the mounting efficiency without calculating the position of the electric field uniformity and pasting or placing the gel. Drawings Fig. 1 is a schematic view of an overall cross-sectional structure of an electrode mechanism. Fig. 2 is a partially enlarged schematic view of fig. 1 at a. Fig. 3 is a partially enlarged schematic view of fig. 1 at B. Fig. 4 is a schematic view of an electrode mechanism with a circular overall structure in cross section. Fig. 5 is a schematic view of an electrode mechanism with a ring-shaped cross section. Fig. 6 is a schematic view of an electrode mechanism with a ring-shaped bottom view in cross section. Fig. 7 is