CN209963376U

CN209963376U - Cochlear implant transmission lead assembly

Info

Publication number: CN209963376U
Application number: CN201921156692.3U
Authority: CN
Inventors: 付超杰
Original assignee: Zhejiang Nurotron Neural Electronic Technology Co Ltd
Current assignee: Zhejiang Nurotron Neural Electronic Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-01-17
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a cochlear implant transmission lead assembly, which comprises a four-core plug, a connecting piece and a wire rod, wherein the four-core plug is connected with the wire rod through the connecting piece, and the plug end of the four-core plug is connected with an cochlear implant speech processing unit; the connecting piece is in a trapezoidal column shape and comprises horizontal stress grooves, vertical stress grooves and spring grooves, and the horizontal stress grooves are formed in the left side and the right side of the trapezoidal column of the connecting piece and are close to the four-core plug; the vertical stress grooves are arranged on the upper side and the lower side of the trapezoidal column of the connecting piece, and are positioned on the same plane with the horizontal stress grooves or are arranged at the back of the horizontal stress grooves in the direction of the four-core plug; the spring groove is arranged close to the wire rod and is in an annular multi-groove shape; the wire is a lead wrapped with an insulating layer. The utility model discloses effectively reduced the wire rod and waved and buckle in-process stress concentration phenomenon, made it more durable, difficult damaged, and then improved the life of wire rod.

Description

Cochlear implant transmission lead assembly

Technical Field

The utility model relates to an artifical cochlea field, in particular to artifical cochlea transmission wire subassembly.

Background

The transmission wire of the cochlear implant is an important component of a cochlear implant system and is connected with a speech processing unit and a transmission coil, and the speech processing unit collects external sound signals, converts the external sound signals into corresponding electric signals and transmits the electric signals to the transmission coil through the transmission wire. The joint of a wire of a transmission wire and a plug in the prior art is in a trapezoid shape, and although the wire is reinforced, the problem that the rubber coating at the joint is broken due to stress concentration along with swinging and bending in use is solved, so that the service life is further shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows: a cochlear implant transmission lead assembly comprises a four-core plug, a connecting piece and a wire, wherein the four-core plug is connected with the wire through the connecting piece, and the plug end of the four-core plug is connected with a cochlear implant speech processing unit; the connecting piece is in a trapezoidal column shape and comprises horizontal stress grooves, vertical stress grooves and spring grooves, and the horizontal stress grooves are formed in the left side and the right side of the trapezoidal column of the connecting piece and are close to the four-core plug; the vertical stress grooves are arranged on the upper side and the lower side of the trapezoidal column of the connecting piece, and are positioned on the same plane with the horizontal stress grooves or are arranged at the back of the horizontal stress grooves in the direction of the four-core plug; the spring groove is arranged close to the wire rod and is in an annular multi-groove shape; the wire is a lead wrapped with an insulating layer.

Preferably, the horizontal stressing channel is U-shaped.

Preferably, the vertical stress groove is U-shaped.

Preferably, the width of the horizontal stress slot is 0.5mm-0.8 mm.

Preferably, the depth of the horizontal stress groove is 0.5mm-0.6 mm.

Preferably, the width of the vertical stress slot is 1.0mm-1.2 mm.

Preferably, the depth of the vertical stress groove is 0.6mm-0.7 mm.

The beneficial effects of the utility model reside in that: the problem of stress concentration at the connection position of the plug and the wire of the transmission wire in the prior art is greatly improved, and the transmission wire in the prior art starts to be badly damaged when swinging for 6 ten thousand times through swinging test verification under the same condition; and the utility model discloses a damaged phenomenon does not appear in the junction when transmission wire sways 20 ten thousand times, and circuit connection performance is not influenced completely.

Drawings

FIG. 1 is a schematic diagram of a cochlear implant transmission lead according to the prior art;

FIG. 2 is a schematic diagram of a cochlear implant transmission lead in the prior art;

FIG. 3 is a schematic diagram of a cochlear implant delivery wire of the prior art being vulnerable;

fig. 4 is a schematic structural view of the cochlear implant transmission wire assembly of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-3, for the cochlear implant transmission lead in the prior art, the existing connecting piece 11 is trapezoidal and only has a universal spring groove, when being connected with the speech processing unit 50, the existing connecting piece 11 can swing and bend left and right and up and down, so that the rib position 12 is easy to be damaged, the protection to the wire is greatly reduced when the rib position 12 is damaged, and the joint of the existing connecting piece 11 and the wire is easy to be damaged.

Referring to fig. 4, the cochlear implant transmission lead assembly includes a four-core plug 10, a connector 20 and a wire 30, wherein the four-core plug 10 is connected with the wire 30 through the connector 20, and the plug end of the four-core plug 10 is connected with a cochlear implant speech processing unit 50; the connecting piece 20 is in a trapezoid column shape, the connecting piece 20 comprises horizontal stress grooves 21, vertical stress grooves 22 and spring grooves 23, and the horizontal stress grooves 21 are arranged on the left side and the right side of the trapezoid column of the connecting piece 20 and close to the four-core plug 10; the vertical stress grooves 22 are arranged at the upper side and the lower side of the trapezoidal column of the connecting piece 20, and are positioned on the same plane with the horizontal stress grooves 21 or are arranged at the back of the four-core plug 10; the spring groove 23 is arranged close to the wire 30 and is in a ring multi-groove shape; the wire 30 is a conducting wire wrapped by an insulating layer, and the other end of the wire 30 is a coil plug 40 connected with a transmission coil of the cochlear implant.

The utility model discloses increase the stress groove with the connecting piece structure of fragile rupture rib position 12, and level and vertical direction, four directions all are provided with

stress groove

21 and 22 about promptly to satisfy the multi-direction performance of buckling that sways,

stress groove

21 and 22 bottom parcel live wire rod 30 crust and do not expose, with better protection wire rod 30.

When a user uses the device to swing and bend, the side and the bottom of a

single stress groove

21 or 22 can extend and contract, and the stress groove is longer than the buffer strip in the prior art, and the stress groove 21 or 22 on the opposite side can correspondingly contract and extend. In addition, compared with the prior art, the smooth transition area of the bottom of the

stress groove

21 or 22 is wider, so that the strength of the

stress groove

21 or 22 is good, the problem that the connecting piece 20 and the wire 30 are damaged and broken due to stress concentration is solved, and the purpose of prolonging the service life of the whole transmission wire is achieved.

In the specific embodiment, the horizontal stress groove 21 is U-shaped, the width is 0.5mm-0.8mm, and the depth is 0.5mm-0.6 mm; the vertical stress groove 22 is U-shaped, with a width of 1.0mm-1.2mm and a depth of 0.6mm-0.7 mm.

The appearance of the connecting piece and the sheath condition of the wire rod of the transmission coil after the swing test are shown in the table 1,

TABLE 1 appearance of sample connectors and conditions of wire sheath before and after bending and swinging test

The prior art transmission wire after swing test shows that the appearance and the sheath condition of the prior connecting piece are confirmed in table 2,

TABLE 2 appearance and wire sheath condition of the existing connectors of the samples before and after bending and swinging test

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The cochlear implant transmission lead assembly is characterized by comprising a four-core plug, a connecting piece and a wire, wherein the four-core plug is connected with the wire through the connecting piece, and the plug end of the four-core plug is connected with a cochlear implant speech processing unit; the connecting piece is in a trapezoidal column shape and comprises horizontal stress grooves, vertical stress grooves and spring grooves, and the horizontal stress grooves are formed in the left side and the right side of the trapezoidal column of the connecting piece and are close to the four-core plug; the vertical stress grooves are arranged on the upper side and the lower side of the trapezoidal column of the connecting piece, and are positioned on the same plane with the horizontal stress grooves or are arranged at the back of the horizontal stress grooves in the direction away from the four-core plug; the spring groove is arranged close to the wire rod and is in an annular multi-groove shape; the wire is a lead wrapped with an insulating layer.

2. The cochlear implant transmission lead assembly of claim 1, wherein the horizontal stress slot is U-shaped.

3. The cochlear implant transmission lead assembly of claim 1, wherein the vertical stress slot is U-shaped.

4. The cochlear implant transmission lead assembly of claim 1, wherein the horizontal stress slot has a width of 0.5mm to 0.8 mm.

5. The cochlear implant transmission lead assembly of claim 1, wherein the horizontal stress groove has a depth of 0.5mm to 0.6 mm.

6. The cochlear implant transmission lead assembly of claim 1, wherein the vertical stress slot has a width of 1.0mm to 1.2 mm.

7. The cochlear implant transmission lead assembly of claim 1, wherein the vertical stress groove has a depth of 0.6mm to 0.7 mm.