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CN-224233056-U - Anti-interference medical connector

CN224233056UCN 224233056 UCN224233056 UCN 224233056UCN-224233056-U

Abstract

The utility model discloses an anti-interference medical connector which comprises a male socket and a female socket, wherein a ceramic base body is arranged in the female socket, a high-pressure convex seat is arranged in the center of the front end face of the female socket, a low-pressure ring seat is arranged on the periphery of the female socket, a fastening ring groove is formed between the male socket and the female socket, a convex protection cylinder is arranged on the periphery of the front end face of the male socket, the protection cylinder is sleeved on the low-pressure ring seat, an inner core cylinder is arranged on the periphery of a high-pressure needle group, and the inner core cylinder is inserted in the fastening ring groove. The protection cylinder is sleeved with the low-pressure ring seat, the inner core cylinder is inserted into the double connection structure of the fastening ring groove, and the rigid support of the ceramic material is combined, so that the axial stress of the insertion and extraction is uniform, and the vibration resistance is improved by more than 50%.

Inventors

  • WANG SHUPING

Assignees

  • 东莞市研讯电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250523

Claims (9)

  1. 1. An anti-interference medical connector is characterized by comprising a male socket and a female socket, The female socket is internally provided with a ceramic seat body (3), the center position of the front end surface of the ceramic seat body (3) is provided with a convex high-pressure convex seat (12), the high-pressure convex seat (12) is in a cylindrical shape, the end surface of the high-pressure convex seat (12) is provided with a plurality of high-pressure jacks (120), the periphery of the high-pressure convex seat (12) is provided with a convex low-pressure ring seat (11), a fastening ring groove (13) is formed between the low-pressure ring seat (11) and the high-pressure convex seat (12), and the end surface of the low-pressure ring seat (11) is provided with a plurality of low-pressure jacks (110); The male socket is internally provided with another ceramic base body (3), the periphery of the front end face of the ceramic base body (3) is provided with a convex protection cylinder (211), an inner cylinder cavity of the protection cylinder (211) is matched with the outer contour of the low-voltage ring base (11), the protection cylinder (211) is sleeved on the low-voltage ring base (11), a plurality of low-voltage pins (210) are arranged on the periphery of the bottom face of the protection cylinder (211), the low-voltage pins (210) are uniformly distributed along the circumference and form a low-voltage pin group, the low-voltage pins (210) are respectively inserted into corresponding low-voltage insertion holes (110), the center of the bottom face of the protection cylinder (211) is provided with a plurality of high-voltage pins (220), the high-voltage pins (220) are uniformly distributed along the circumference and form a high-voltage pin group, the periphery of the high-voltage pin group is provided with an inner cylinder (221), and the inner cylinder (221) is respectively inserted into corresponding high-voltage insertion holes (120), and meanwhile, the inner cylinder (221) is inserted into the fastening ring groove (13).
  2. 2. The medical connector with interference resistance according to claim 1, wherein the thickness of the low-voltage ring seat (11) is 1mm-2.5mm, and the thickness of the protection cylinder (211) is 0.5mm-1.5mm.
  3. 3. The medical connector according to claim 2, wherein the surfaces of the low-voltage ring seat (11) and the protective cylinder (211) are covered with a base film, the base film is made of plastic material, and the thickness of the base film is 20-100 μm.
  4. 4. The medical connector according to claim 3, wherein the low-voltage jack (110) and the high-voltage jack (120) are respectively provided with tubular electric contact cylinders on inner hole walls, and the high-voltage pins (220) and the low-voltage pins (210) are respectively contacted with the corresponding electric contact cylinders.
  5. 5. The anti-interference medical connector according to claim 1, wherein the outer surface of the ceramic base body (3) is covered with a shielding shell (31), and the shielding shell (31) is sleeved on the outer surface of the ceramic base body (3) and is fixedly connected with the outer surface of the ceramic base body.
  6. 6. The anti-interference medical connector according to claim 5, wherein a plurality of inner pin holes are formed in the surface of the ceramic base body (3), the inner pin holes are distributed at intervals along the length direction of the ceramic base body, a plurality of outer pin holes are formed in the shielding shell (31), the outer pin holes correspond to the inner pin holes one by one, the outer pin holes are aligned with the inner pin holes, a fastening bolt (32) is inserted between the outer pin holes and the inner pin holes, and the outer end face of the fastening bolt (32) is flush with the outer surface of the shielding shell (31) so as to realize fastening connection between the ceramic base body (3) and the shielding shell (31).
  7. 7. The connector of claim 6, wherein the shield case comprises a housing body made of stainless steel material, and the thickness of the shield case (31) is 0.3mm-1mm.
  8. 8. The anti-interference medical connector of claim 7, wherein the outer surface of the ceramic base body (3) is provided with a limiting tangent plane, the shielding shell (31) is bent and molded with a positioning part, and the positioning part is matched with the limiting tangent plane firstly so as to realize circumferential positioning between the shielding shell (31) and the ceramic base body (3).
  9. 9. The anti-interference medical connector according to claim 1, wherein the outer end face of the protection barrel (211) of the male socket is concavely provided with a foolproof clamping groove (42), the plug-in matching surface of the female socket is provided with a convex foolproof protrusion (41), and the foolproof protrusion (41) is clamped in the foolproof clamping groove (42).

Description

Anti-interference medical connector Technical Field The utility model relates to the technical field of connectors, in particular to an anti-interference medical connector. Background The medical connector is really required to have anti-interference performance in a specific application scene, and the specific requirements depend on the use environment and functional requirements. Such as an Electrocardiogram (ECG), an electroencephalogram (EEG) or an implantable device (such as a cardiac pacemaker), is weak in signal (microvolts) and is susceptible to electromagnetic interference (EMI). The connector needs to shield external interference (such as radio frequency and power supply noise) to ensure accurate signals. The existing medical connector also has certain anti-interference performance, such as the application number of CN201220652935.4 and the patent name of 'high-low pressure anti-interference connector', the connector structure of the patent comprises a male socket provided with a contact pin and a female socket provided with a jack, the contact pin comprises a high-pressure contact pin and a low-pressure contact pin, the jack comprises a high-pressure jack and a low-pressure jack which respectively correspond to the high-pressure contact pin and the low-pressure contact pin, a convex rib is arranged on the male socket, the convex rib is arranged between the high-pressure contact pin and the low-pressure contact pin, a groove corresponding to the convex rib is arranged on the female socket, and the groove is arranged between the high-pressure jack and the low-pressure jack. The high-low voltage lines of the connector are arranged separately, and the convex ribs and the grooves are arranged between the high-low voltage connection points, so that the possibility of creepage between the high voltage and the low voltage is effectively reduced, and a safer communication circuit is formed. However, the anti-interference connector still has the defect of insufficient anti-interference performance and poor connection stability between the male and female seats, so that improvement is needed. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide an anti-interference medical connector, which improves the anti-interference performance of the connector and the connection stability of a male seat and a female seat, and further improves the accuracy of signal transmission. The technical scheme includes that the anti-interference medical connector comprises a male socket and a female socket, wherein a ceramic seat body is arranged in the female socket, a convex high-pressure convex seat is arranged at the center of the front end face of the ceramic seat body, the high-pressure convex seat is in a cylindrical shape, a plurality of high-pressure jacks are arranged on the end face of the high-pressure convex seat, a convex low-pressure ring seat is arranged on the periphery of the high-pressure convex seat, a fastening ring groove is formed between the low-pressure ring seat and the high-pressure convex seat, a plurality of low-pressure jacks are arranged on the end face of the low-pressure ring seat, an additional ceramic seat body is arranged in the male socket, a convex protection cylinder is arranged on the periphery of the front end face of the ceramic seat body, an inner cylinder cavity of the protection cylinder is matched with the outer contour of the low-pressure ring seat, the protection cylinder is sleeved on the low-pressure ring seat, a plurality of low-pressure pins are arranged on the periphery of the bottom face of the protection cylinder, the low-pressure pins are uniformly distributed along the circumference respectively, and form a low-pressure pin group, the low-pressure pins are respectively inserted into the corresponding low-pressure jacks, a plurality of high-pressure pin groups are arranged on the center position of the bottom face of the protection cylinder, the high-pressure pins are uniformly distributed along the circumference of the high-pressure pin group, and are simultaneously, and are higher than the high-pressure pins are uniformly distributed along the circumference of the corresponding high-pressure pin groups, and are simultaneously, and are respectively inserted into the high-pressure pin ring. In a further technical scheme, the thickness of the low-voltage ring seat is 1mm-2.5mm, and the thickness of the protection cylinder is 0.5mm-1.5mm. In a further technical scheme, the surfaces of the low-voltage ring seat and the protection cylinder are covered and provided with a base band film, the base band film is made of plastic materials, and the thickness of the base band film is 20-100 mu m. In a further technical scheme, the inner hole walls of the low-voltage jack and the high-voltage jack are respectively provided with tubular electric contact cylinders, and the high-voltage contact pins and the low-voltage contact pins