Newborn electroencephalogram electrode cap
By designing a threaded shaft and locking nut fixing structure on the neonatal EEG electrode cap, the problem of electrode loosening and falling off was solved, ensuring the accuracy of data acquisition and the comfort of use.
Patent Information
- Application Number
- CN202422529838.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-20
AI Technical Summary
During use, the electrodes on the neonatal EEG electrode cap can easily loosen or fall off due to head movement, affecting the accuracy of data acquisition.
A fixing structure including a threaded shaft and a locking nut was designed. The electrode plate is pulled upward and fixed together with the fixing cap by the threaded shaft and the locking nut to prevent it from loosening.
It effectively prevents electrodes from loosening and falling off, ensuring the accuracy of EEG data acquisition and improving the comfort and safety of use.
Smart Images
Figure CN223504226U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electroencephalogram electrode cap field, concretely is a new born baby electroencephalogram electrode cap. BACKGROUND
[0002] Newborns are usually required to wear a cap body when doing electroencephalogram due to their lively and active nature. The existing electroencephalogram electrode cap for newborns, as shown in Figs. Figure 1 、 Figure 2 , comprises an elastic net-shaped head cover 1 (partly), a plurality of lower opening cylindrical fixed caps 2 (a first circular hole 21 is provided at the top) are fixedly arranged on the head cover 1, the fixed cap 2 is provided with a side opening 22 for inserting a disc-shaped electrode, the side opening 22 and the inner surface of the fixed cap 2 are embedded with a slot 23 matched with the electrode 3, a connecting piece 31 is provided on the outer side of the electrode 3, a connecting line 32 is connected to the outer end of the connecting piece 31, and a handle 33 is sleeved on the connecting piece 31. When in use, the electrode piece is soaked with conductive paste and inserted into the slot of the fixed cap.
[0003] The electroencephalogram electrode cap described above can insert and fix the electrode. However, there is no structure for pulling the electrode piece and the fixed cap together upward to prevent slipping after the electrode is inserted into the slot. The newborn's head swing can easily cause the electrode to loosen or fall off, thereby affecting the accuracy of electroencephalogram data collection. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an electroencephalogram electrode cap for newborns, which is provided with a structure for pulling the electrode piece and the fixed cap together upward, so as to prevent slipping and effectively solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electroencephalogram electrode cap for newborns, comprising an elastic net-shaped head cover, a plurality of lower opening cylindrical fixed caps are fixedly arranged on the head cover, a first circular hole is provided at the top of the fixed cap, a side opening is provided on the fixed cap for inserting a disc-shaped electrode, the side opening and the inner surface of the fixed cap are embedded with a slot matched with the electrode, a connecting piece is provided on the outer side of the electrode, a connecting line is connected to the outer end of the connecting piece, a handle is sleeved on the connecting piece, a second circular hole is provided at the center position of the electrode, and a fixing structure for pulling the electrode upward is jointly arranged in the second circular hole and the first circular hole from bottom to top.
[0006] As a preferred technical scheme, the fixing structure comprises a threaded shaft vertically penetrating the second circular hole and the first circular hole, a limiting piece is fixedly arranged at the lower end of the threaded shaft, and a locking nut is arranged at the penetrating end of the threaded shaft.
[0007] As a preferred technical scheme, an arc-shaped groove is embedded upward at the bottom surface of the electrode, and the second circular hole is located at the center of the arc-shaped groove.
[0008] As a preferred technical scheme, the upper surface of the limiting sheet is in an upward convex arc structure, and the bottom surface is in a plane structure.
[0009] As a preferred technical scheme, the lower end surface of the limiting sheet is located on the upper side of the lower end of the arc-shaped groove.
[0010] As a preferred technical scheme, the locking nut is in a flat cylindrical shape, and the outer circumferential surface is fixedly provided with columnar anti-skid protrusions at intervals.
[0011] As a preferred technical scheme, a rubber pad is further sleeved on the threaded shaft at the lower side of the locking nut.
[0012] Compared with the prior art, the utility model provides a newborn electroencephalogram electrode cap, has the following beneficial effects:
[0013] 1. The utility model discloses a fixing structure including a threaded shaft vertically penetrating a second circular hole and a first through hole, a limiting sheet is fixedly arranged at the lower end of the threaded shaft, and the threaded shaft is provided with a locking nut at the penetrating end, when in use, the threaded shaft and the locking nut can pull up and fix the electrode together with the fixing cap, which can effectively prevent the electrode from loosening and falling off and guarantee the accuracy of electrode data acquisition.
[0014] 2. The utility model discloses that the upper surface of the limiting sheet is in an upward convex arc structure, and the bottom surface is in a plane structure, the lower end surface of the limiting sheet is located on the upper side of the lower end of the arc-shaped groove, when in use, the limiting sheet does not protrude downward to the electrode, which can avoid extruding the head and is beneficial to the comfort of use.
[0015] 3. The utility model discloses that the locking nut is in a flat cylindrical shape, and the outer circumferential surface is fixedly provided with columnar anti-skid protrusions at intervals, when in use, the anti-skid protrusions can increase the friction force and avoid slipping during screwing.
[0016] 4. The utility model discloses that a rubber pad is further sleeved on the threaded shaft at the lower side of the locking nut, when in use, the rubber pad can play a certain anti-loosening role on the locking nut after being pressed, and simultaneously plays a protection role on the upper surface of the fixing cap. DRAWINGS
[0017] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application:
[0018] Figure 1 It is a partial structure diagram of the prior newborn electroencephalogram electrode cap (only one electrode is shown);
[0019] Figure 2 It is a three-dimensional structure schematic diagram of an electrode cap after being turned over;
[0020] Figure 3 It is a three-dimensional structure schematic diagram of the first embodiment of the utility model;
[0021] Figure 4 As Figure 3 the assembled perspective view schematic diagram;
[0022] Figure 5 As Figure 4 the perspective view schematic diagram after the turnover;
[0023] Figure 6 As the sectional view structure schematic diagram of the limiting sheet and the electrode cooperation;
[0024] Figure 7 As the use state diagram of the first embodiment of the utility model.
[0025] Indicated in the figure: 1. head cover; 2. fixed cap; 21. first round hole; 22. side opening; 23. insertion slot; 3. electrode; 31. connecting sheet; 32. connecting line; 33. handle; 34. second round hole; 35. arc-shaped recess; 4. fixed structure; 41. threaded shaft; 42. limiting sheet; 43. locking nut. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment 1
[0027] As Figures 3 to 7 shown, a new-born baby electroencephalogram electrode cap, including the elastic net-shaped head cover 1, the head cover 1 is fixedly provided with a plurality of lower opening cylindrical fixed caps 2, the fixed cap 2 top is provided with the first round hole 21, the fixed cap 2 is provided with the side opening 22 for the disc-shaped electrode insertion, the side opening 22 and the fixed cap 2 inner surface are embedded with the insertion slot 23 for the electrode 3 insertion cooperation, the electrode 3 outside is provided with the connecting sheet 31, the connecting sheet 31 outer end is connected with the line, the connecting sheet 31 is provided with the handle 33, the electrode 3 inside round head end center position is provided with the second round hole 34, the second round hole 34 and the first round hole 21 are jointly placed from below to above with the fixed structure 4 for the electrode upward pulling.
[0028] The fixed structure 4 includes the threaded shaft 41 vertically placed in the second round hole 34 and the first round hole 21, the threaded shaft 41 lower end is fixedly provided with the limiting sheet 42, the threaded shaft 41 is provided with the locking nut 43 at the threaded shaft 41 outgoing end.
[0029] The electrode 3 bottom surface is embedded with the arc-shaped recess 35 upwards, and the second round hole 34 is located at the center of the arc-shaped recess 35 and communicates with the arc-shaped recess 35.
[0030] The upper surface of the limiting sheet 42 is in an upwardly convex arc structure, and the bottom surface is in a planar structure.
[0031] The lower end surface of the limiting sheet 42 is located on the upper side of the lower end of the arc-shaped groove 35.
[0032] The locking nut 43 is in a flat cylindrical shape, and the outer circumferential surface is provided with columnar anti-skid protrusions at intervals.
[0033] In use, the threaded shaft 41 and the locking nut 43 can pull and fix the electrode upward together with the fixing cap 2, which can effectively prevent the electrode 3 from loosening and falling off, and ensure the accuracy of electrode data acquisition. The limiting sheet 42 does not protrude downward to the electrode 3, which can avoid extruding the head, and is beneficial to the comfort of use. The anti-skid protrusions can increase the friction force, and avoid slipping during screwing. Embodiment 2
[0034] The threaded shaft 41 on the lower side of the locking nut 43 is further sleeved with a rubber pad.
[0035] In use, after the rubber pad is pressed, it can play a certain anti-loosening effect on the locking nut 43, and also play a protective effect on the upper surface of the fixing cap 2.
[0036] The components used in the utility model are all general standard components or components known by those skilled in the art, and their structures and principles are well known to those skilled in the art.
[0037] It should be noted that in this paper, the terms "first", "second", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0038] The structures, proportions, sizes and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.
[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A neonatal electroencephalogram (EEG) electrode cap, comprising an elastic mesh headgear, several cylindrical fixing caps with downward openings fixed on the headgear, a first circular hole at the top of the fixing cap, a side opening for inserting a disc-shaped electrode on the fixing cap, slots for electrode insertion embedded in the side opening and the inner surface of the fixing cap, a connecting piece on the outer side of the electrode, a wiring connected to the outer end of the connecting piece, and a handle sleeved on the connecting piece, characterized in that: The electrode has a second circular hole at its center, and a fixing structure for pulling the electrode upwards is inserted through the second circular hole and the first circular hole together.
2. The neonatal electroencephalogram electrode cap according to claim 1, characterized in that: The fixing structure includes a threaded shaft that passes vertically through the second and first circular holes, a limiting piece is fixedly provided at the lower end of the threaded shaft, and a locking nut is provided at the protruding end of the threaded shaft.
3. The neonatal electroencephalogram electrode cap according to claim 2, characterized in that: The bottom surface of the electrode is embedded with an arc-shaped groove, and the second circular hole is located at the center of the arc-shaped groove.
4. The neonatal electroencephalogram electrode cap according to claim 2, characterized in that: The upper surface of the limiting piece has an upwardly convex arc-shaped structure, and the bottom surface has a planar structure.
5. A neonatal electroencephalogram electrode cap according to claim 3, characterized in that: The lower end face of the limiting piece is located on the upper side of the lower port of the arc-shaped groove.
6. A neonatal electroencephalogram electrode cap according to claim 2, characterized in that: The locking nut is a flat cylindrical shape, with cylindrical anti-slip protrusions fixed at intervals on its outer circumference.
7. A neonatal electroencephalogram electrode cap according to claim 2, characterized in that: A rubber pad is also fitted on the threaded shaft on the lower side of the locking nut.