Novel crissum electrode
By designing a new perianal electrode, using electrode body made of polymer nanoconductive coatings, combined with polyester film and medical double-sided adhesive, the problem of anal electromyography electrode damages the skin and difficult to collect biological signals at special locations in the prior art is solved, and efficient and accurate biological signal acquisition and diagnosis are achieved.
Patent Information
- Application Number
- CN202421091509.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing invasive anal electromyography electrodes are prone to damage the skin and mucosa during use, increasing the risk of infection in patients, and it is difficult to collect biological signals in special and deeper positions around the anus.
A new type of perianal electrode is designed. Through the electrode fixed to the user's finger, the electrode body directly enters the anus with the fingers during anal fingerprint examination. The electrode body made of polymer nanoconductive coating is combined with polyester film, marking wires, medical double-sided adhesives and wiring terminals to form a dual-channel or four-channel electrode. The exposed part of the acquisition end is covered with a polymer protective film.
The electrode is simple in structure and easy to use. It can effectively collect biological signals in special locations around the anus and deeper locations, reduce the medical costs of patients, avoid the risk of skin damage and infection during use of invasive electrodes, and improve the accuracy of disease diagnosis.
Smart Images
Figure CN222917539U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical devices, and particularly relates to a novel perianal electrode. Background Art
[0002] The existing invasive anorectal electromyogram electrode is to place an electrode on the patient's body. During the detection process, a very thin and small needle-shaped electrode is inserted into the patient's anal sphincter. When in use, it damages the skin and mucous membrane, and is prone to cause patient infection.
[0003] The product of the utility model is used in cooperation with an electrophysiological detection device for collecting bioelectric signals of the human perianal area. The utility model fills the domestic blank, and the product structure is the first case in China. Content of the Utility Model
[0004] The purpose of the utility model is to solve the above problems. The present application proposes a novel perianal electrode with a simple overall structure and convenient use. Through the electrode fixed on the user's finger, the electrode body directly enters the human anus along with the finger during digital rectal examination, solving the problem of difficult collection of bio-signals at special positions and deeper positions, and reducing the medical cost of patients.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: A novel perianal electrode includes a polyester film, a marking line, an electrode body, a high molecular protective film, medical double-sided tape and a wiring terminal that make up the perianal electrode. The polyester film has a wing-shaped structure. The medical double-sided tape is arranged at the bottom layer of the perianal electrode. A marking line is arranged at the front end of the perianal electrode. The electrode body is arranged on the upper layer of the polyester film. The electrode body is a dual-channel electrode or a four-channel electrode, and the acquisition end is exposed, and the rest is covered with a high molecular protective film. The tail end of the electrode body is connected to the wiring terminal, and the wiring terminal is connected to the detection device through a wire.
[0006] Further: The electrode body is made of a high molecular nano-conductive coating. The effective area of the dual-channel electrode is 60mm 2 , and the effective area of the four-channel electrode is about 120mm 2 .
[0007] Further: The wing-shaped polyester film is fixed on the user's finger through medical double-sided tape.
[0008] Further: The polyester film adopts PET material.
[0009] Further: The polyester film, the electrode body and the high molecular protective film are of an integrated structure.
[0010] Further: The insulating part of the wiring terminal is made of ABS plastic.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] The effective area of the dual-channel electrode of the electrode body of the present utility model is about 60 mm 2 , and the effective area of the four-channel electrode is about 120 mm 2 . Through the electrode fixed on the user's finger, during an anal digital examination, the electrode body directly enters the human anus along with the finger, and the electrode end directly contacts the human rectum, which can detect biological signals at special positions, provide diagnostic parameters for the treatment of various types of defecation difficulties, so that doctors can further take treatment measures. The material of the electrode body is a polymer nano-conductive coating, and a polymer protective film is provided on the electrode body except for the collection end part, which ensures the insulation of the electrode body except for the collection end part, enables the collection end to accurately locate the collection point, effectively avoids skin lesions of patients caused by the use of invasive electrodes, improves the accuracy of disease diagnosis, accurately judges the bioelectric signals of the ampulla and rectum of patients, provides a treatment basis for excluding hidden diseases in patients with defecation difficulties and colorectal cancer after surgery, thereby providing better treatment, and at the same time effectively preventing the phenomenon of skin infection of patients caused by the use of invasive electrodes.
[0013] The setting of the marking line and the wing-shaped structure polyester film facilitates quickly fixing the present perianal electrode on the user's finger during use, reduces the preparation time before use, and improves the inspection efficiency. This structure is simple and convenient for doctors to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only for more clearly illustrating the technical solutions of the embodiments of the present utility model or the prior art. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0015] Figure 1 It is the overall structural schematic diagram when the electrode body of the present utility model is a dual-channel;
[0016] Figure 2 It is the overall structural schematic diagram when the electrode body of the present utility model is a four-channel;
[0017] In the figure: 1 - polyester film, 2 - marking line, 3 - electrode body, 4 - polymer protective film, 5 - medical double-sided tape, 6 - terminal block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] In order to enable those skilled in the art to better understand and implement the technical solutions of the present utility model, the following further illustrates the present utility model with specific embodiments, but the embodiments cited are only for the illustration of the present utility model and not for the limitation of the present utility model.
[0019] As Figures 1-2 shown, a new type of perianal electrode is composed of a polyester film 1, a marking line 2, an electrode body 3, a polymer protective film 4, a medical double-sided adhesive 5, and a wiring terminal 6.
[0020] The bottom layer of the perianal electrode is provided with a medical double-sided adhesive 5. The polyester film 1, the electrode body 3, and the polymer protective film 4 are of an integral structure. The electrode body 3 is arranged on the upper layer of the polyester film 1. The acquisition end of the electrode body 3 is exposed, and the rest is covered with the polymer protective film 4, ensuring the insulation of the electrode body 3 except for the acquisition end part, enabling the acquisition end to accurately locate the acquisition point and acquire bioelectric signals. The tail end of the electrode body 3 is connected to the wiring terminal 6, and the wiring terminal 6 is connected to the detection device through a wire. The insulating part of the wiring terminal is made of ABS plastic.
[0021] The electrode body 3 is a two-channel electrode or a four-channel electrode and is made of a polymer nano-conductive coating. The effective area of the two-channel electrode is 60 mm 2 , and the effective area of the four-channel electrode is about 120 mm 2 .
[0022] The marking line 2 and the wing-shaped polyester film 1 facilitate quickly fixing the perianal electrode on the user's finger during use, reducing the preparation time before use and improving the inspection efficiency.
[0023] Preferably: The polyester film 1 is made of PET material.
[0024] During use: Due to the setting of the marking line and the wing-shaped polyester film, the perianal electrode can be quickly fixed on the user's finger during use. The electrode body directly enters the human anus along with the anal digital examination. The acquisition end of the electrode body directly contacts the human rectum to detect bio-signals at special positions and deeper positions. Since the other end of the electrode body is connected to the wiring terminal, and the wiring terminal is connected to the detection device through a wire, the detection result can be viewed.
[0025] The structure of the present utility model is simple, convenient for doctors to operate, effectively avoids skin lesions of patients caused by the use of invasive electrodes, improves the accuracy of disease diagnosis, accurately judges the bioelectric signals of the patient's ampulla and rectum, provides a treatment basis for excluding hidden diseases for patients with defecation difficulties and colorectal cancer patients after surgery, thus providing better treatment, and at the same time effectively preventing the phenomenon of skin infection of patients caused by the use of invasive electrodes.
[0026] Contents not described in detail in the present utility model are all prior arts.
[0027] The above are only the preferred embodiments of the present utility model and are not limited to those described in the specification and embodiments. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present utility model shall be included in the scope of the patent application of the present utility model.
Claims
1. A novel perianal electrode, comprising a polyester film (1), a marking line (2), an electrode body (3), a polymer protective film (4), a medical double-sided adhesive tape (5) and a terminal (6), the characteristics of which are: The polyester film (1) has a wing-shaped structure, the medical double-sided adhesive tape (5) is arranged on the bottom layer of the perianal electrode, the front end of the perianal electrode is provided with a marking line (2), and the upper layer of the polyester film (1) is provided with an electrode body (3), the electrode body (3) is a dual-channel electrode or a four-channel electrode, the collection end is exposed, and the rest is covered with a polymer protective film (4), the tail end of the electrode body (3) is connected to a wiring terminal (6), and the wiring terminal (6) is connected to a detection device through a wire.
2. A novel perianal electrode according to claim 1, characterized in that: The electrode body (3) is made of polymer nano-conductive coating, and the effective area of the dual-channel electrode is 60 mm 2 , the effective area of the four-channel electrode is about 120mm 2 .
3. A novel perianal electrode according to claim 1, characterized in that: The polyester film (1) of the wing-shaped structure is fixed on the user's finger by means of a medical double-sided adhesive tape (5).
4. The novel perianal electrode according to claim 1, characterized in that: The polyester film (1) is made of PET material.
5. The novel perianal electrode according to claim 1, characterized in that: The polyester film (1), the electrode body (3) and the polymer protective film (4) are an integrated structure.
6. The novel perianal electrode according to claim 1, characterized in that: The insulating part of the wiring terminal (6) is made of ABS plastic.