Rectal electrode fixation device
By combining a strap and Velcro mechanism with a strip and elastic sleeve design, the problem of unstable rectal electrode fixation is solved, achieving stable and comfortable electrode positioning, improving treatment effectiveness and patient experience.
Patent Information
- Application Number
- CN202521742831.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-15
AI Technical Summary
Existing rectal electrode fixation methods lack specialized fixation devices, making the electrodes prone to displacement or detachment, affecting the continuity and effectiveness of treatment, and potentially causing adverse reactions such as skin allergies.
It uses a strap and Velcro mechanism for fixation, combined with a strip and elastic sleeve, and utilizes fasteners and adjustment holes to achieve stable fixation of the rectal electrode, bypassing skin impedance and providing precise positioning and comfort.
This method achieves stable fixation of the rectal electrode, avoids electrode displacement, reduces skin discomfort, and improves the continuity and comfort of treatment.
Smart Images

Figure CN224671941U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rectal electrode fixation technology, and in particular to a rectal electrode fixation device. Background Technology
[0002] In clinical medicine, electrical stimulation therapy and neurophysiological signal acquisition are commonly used and effective methods for the treatment of pelvic floor dysfunction-related diseases such as constipation, urinary incontinence, and chronic pain, as well as for the assessment of pelvic floor dysfunction and research on nerve conduction. As a key component for realizing these operations, the stable and accurate positioning of the rectal electrode is crucial.
[0003] Currently, there are many shortcomings in the fixation methods for rectal electrodes. Traditional fixation methods mostly lack specialized fixation devices and mainly rely on adhesive tape. Although the simple adhesive tape method can fix the electrode to a certain extent, it has many drawbacks. Adhesive tape on the skin for a long time can easily cause skin allergies and other uncomfortable reactions, causing additional pain to patients. The adhesiveness of the tape will gradually weaken with time and the influence of skin secretions, resulting in the electrode not being firmly fixed, easily shifting or falling off, affecting the continuity and effectiveness of treatment.
[0004] Therefore, developing a fixation device that can effectively, stably, and accurately fix rectal electrodes is of great practical significance in order to meet the needs of clinical treatment and research, and improve the treatment effect and comfort of patients. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a rectal electrode fixation device.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A rectal electrode fixation device includes a strap, the two ends of which are fixed together by a Velcro mechanism. A strip is installed on the outer surface of the strap by fasteners. An insertion hole is opened on the surface of the strip, and an elastic rubber sleeve that communicates with the insertion hole is glued to the outside of the strip.
[0008] As a further embodiment of this utility model: the hook and loop fastener mechanism includes a smooth hook and loop fastener surface and a rough hook and loop fastener surface, the smooth hook and loop fastener surface is fixed to one end of the strap, and the rough hook and loop fastener surface is fixed to the other end of the strap.
[0009] As a further embodiment of this utility model: the strip includes a fixing band and an adjustment hole, the adjustment hole is opened on the surface of the fixing band, the insertion hole is opened on the surface of the fixing band, and the elastic sleeve is fixed to the bottom of the fixing band and communicates with the insertion hole.
[0010] As a further embodiment of this utility model: the fastener includes a fixing block and a threaded groove, the fixing block is fixed to the side wall of the strap, and the threaded groove is formed on the surface of the fixing block.
[0011] As a further embodiment of this utility model, the fastener further includes a knob and a threaded post, which are welded together for fixation.
[0012] As a further improvement of this utility model, the surface of the fixing belt is provided with perforations.
[0013] As a further improvement of this utility model, the smooth surface and the rough surface of the hook and loop fastener are used together by an adhesive method.
[0014] As a further improvement of this utility model: the threaded column and the threaded groove are connected by a thread.
[0015] Compared with the prior art, the present invention provides a rectal electrode fixation device, which has the following beneficial effects:
[0016] 1. The two ends of the strap are fixed to the waist with Velcro, which ensures the stability of the strap and the waist; and the Velcro can be attached after the strap is wrapped around the waist, which is convenient and facilitates quick fixation of the rectal electrode.
[0017] 2. The fixation strap is fixed to the bandage by fasteners. The fixing position of the fixation strap relative to the bandage and knob can be adjusted by adjusting the adjustment hole, thereby adjusting the tightness of the fixation strap; the rectal electrode can be inserted and limited along the elastic rubber sleeve, and then inserted into the patient's anus to achieve precise positioning in the rectum and bypass skin resistance.
[0018] 3. The surface of the fixation strap has perforations, which can prevent discomfort caused by prolonged wrapping of the perineum when the fixation strap is wrapped around the anus, thus improving the patient's comfort during use.
[0019] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of a rectal electrode fixation device proposed in this utility model;
[0021] Figure 2 This is a schematic diagram of the overall exploded structure of a rectal electrode fixation device proposed in this utility model;
[0022] Figure 3 This is an exploded structural diagram of the waist fixation component of a rectal electrode fixation device proposed in this utility model;
[0023] Figure 4This is a schematic diagram of the electrode fixing component structure of a rectal electrode fixing device proposed in this utility model.
[0024] In the diagram: 1. Strap; 2. Smooth Velcro; 3. Insertion hole; 4. Fixing strap; 5. Fixing block; 6. Knob; 7. Elastic rubber sleeve; 8. Adjustment hole; 9. Leak hole; 10. Textured Velcro; 11. Threaded groove; 12. Threaded post. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0026] A rectal electrode fixation device, such as Figures 1 to 4 As shown, it includes a strap 1, which is fixed between its two ends by a Velcro mechanism. A strip is installed on the outer surface of the strap 1 by fasteners. An insertion hole 3 is opened on the surface of the strip, and an elastic rubber sleeve 7 that communicates with the insertion hole 3 is glued to the outside of the strip.
[0027] When it is necessary to fix the rectal electrode, firstly, wrap the strap 1 around the waist, with the strap 1 positioned above the hip. Then, use Velcro to connect the two ends of the strap 1, thereby fixing the strap 1 to the waist. Next, insert the rectal electrode (not shown) along the elastic sleeve 7. The elastic sleeve 7 has a certain elasticity, which can limit the position of the rectal electrode after insertion. Then, insert the rectal electrode into the patient's anus, which facilitates subsequent electrical stimulation treatment. The rectal electrode is placed into the rectal cavity through the anus, directly stimulating or monitoring pelvic floor nerves and muscle tissues such as the sacral nerve and external anal sphincter. This can achieve electrical stimulation treatment to relieve constipation, urinary incontinence, chronic pain, etc., or collect neurophysiological signals for pelvic floor dysfunction assessment, nerve conduction research, etc. Its intrarectal positioning advantage can bypass skin impedance, improve stimulation efficiency, and reduce energy loss.
[0028] The hook and loop fastener mechanism includes a smooth hook and loop fastener surface 2 and a rough hook and loop fastener surface 10. The smooth hook and loop fastener surface 2 is fixed to one end of the strap 1, and the rough hook and loop fastener surface 10 is fixed to the other end of the strap 1. The smooth hook and loop fastener surface 2 and the rough hook and loop fastener surface 10 are used together by adhesive bonding.
[0029] After the strap 1 is wrapped around the waist, the two ends of the strap 1 are pulled tight, and the smooth side 2 and the rough side 10 of the hook and loop fastener are glued together to ensure the stability of the strap 1 and the waist.
[0030] The strip includes a fixing band 4 and an adjustment hole 8. The adjustment hole 8 is formed on the surface of the fixing band 4, and the insertion hole 3 is formed on the surface of the fixing band 4. The elastic sleeve 7 is fixed to the bottom of the fixing band 4 and communicates with the insertion hole 3.
[0031] The elastic sleeve 7 can be installed by setting the fixing strap 4. When the two ends of the fixing strap 4 are fixed between the fasteners and the binding strap 1, the stability between the fixing strap 4 and the binding strap 1 can be guaranteed.
[0032] The fastener includes a fixing block 5 and a threaded groove 11. The fixing block 5 is fixed to the side wall of the strap 1, and the threaded groove 11 is opened on the surface of the fixing block 5. The fastener also includes a knob 6 and a threaded post 12. The knob 6 and the threaded post 12 are welded together and fixed, and the threaded post 12 and the threaded groove 11 are threaded together.
[0033] When it is necessary to fix the fixing strap 4 and the binding strap 1, first align the adjusting hole 8 on the fixing strap 4 with the threaded groove 11. Then, rotate the threaded post 12 along the threaded groove 11 using the knob 6. As the threaded post 12 is continuously screwed into the threaded groove 11, when the knob 6 is pressed against the side of the fixing strap 4, the fixing strap 4 can be fixed between the binding strap 1 and the knob 6. The fixing position of the fixing strap 4 relative to the knob 6 and the binding strap 1 can be adjusted using the adjusting hole 8 to adjust the tightness of the fixing strap 4.
[0034] The surface of the fixing strap 4 is provided with a perforation hole 9;
[0035] When the fixing strap 4 is wrapped around the anus, the drainage holes 9 can prevent the fixing strap 4 from wrapping the perineum for a long time, which may cause discomfort.
[0036] Working principle: The operator first wraps the strap 1 around the patient's waist and upper hip area, using the smooth side 2 of the Velcro at one end of the strap 1 to the rough side 10 of the Velcro at the other end to ensure that the strap 1 is initially fixed in the waist. Next, the operator precisely aligns the adjustment hole 8 on the fixing strap 4 with the threaded groove 11 opened on the surface of the fixing block 5 on the side wall of the strap 1. Then, the operator rotates the knob 6 to drive the welded threaded post 12 into the threaded groove 11. As the threaded post 12 goes deeper, the knob 6 gradually presses the side of the fixing strap 4, firmly clamping the fixing strap 4 between the strap 1 and the knob 6. During this process, the tightness of the fixing band 4 can be flexibly adjusted through the adjustment hole 8. Then, the rectal electrode is slowly inserted along the elastic sleeve 7 on the fixing band 4 that is connected to the insertion hole 3, and pushed to a suitable position in the patient's anus. At this time, the elastic sleeve 7 effectively limits the rectal electrode with its own elasticity to prevent it from slipping out. At the same time, the evenly distributed perforations 9 on the surface of the fixing band 4 can promote air circulation and reduce the discomfort caused by the fixing band 4 wrapping the perineum for a long time. Finally, the rectal electrode is reliably fixed so that subsequent electrical stimulation therapy or neurophysiological signal acquisition can be carried out smoothly.
[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A rectal electrode fixation device, comprising a strap (1), characterized in that, The two ends of the strap (1) are fixed together by a Velcro mechanism. A strip is installed on the outer surface of the strap (1) by fasteners. An insertion hole (3) is opened on the surface of the strip, and an elastic rubber sleeve (7) that communicates with the insertion hole (3) is glued to the outside of the strip.
2. The rectal electrode fixation device according to claim 1, characterized in that, The hook and loop fastener mechanism includes a smooth hook and loop fastener surface (2) and a rough hook and loop fastener surface (10). The smooth hook and loop fastener surface (2) is fixed to one end of the strap (1), and the rough hook and loop fastener surface (10) is fixed to the other end of the strap (1).
3. The rectal electrode fixation device according to claim 1, characterized in that, The strip includes a fixing band (4) and an adjustment hole (8). The adjustment hole (8) is opened on the surface of the fixing band (4). The insertion hole (3) is opened on the surface of the fixing band (4). The elastic sleeve (7) is fixed to the bottom of the fixing band (4) and communicates with the insertion hole (3).
4. The rectal electrode fixation device according to claim 3, characterized in that, The fastener includes a fixing block (5) and a threaded groove (11). The fixing block (5) is fixed to the side wall of the strap (1), and the threaded groove (11) is formed on the surface of the fixing block (5).
5. A rectal electrode fixation device according to claim 4, characterized in that, The fastener also includes a knob (6) and a threaded post (12), which are welded together.
6. The rectal electrode fixation device according to claim 5, characterized in that, The surface of the fixing belt (4) is provided with a perforation hole (9).
7. A rectal electrode fixation device according to claim 2, characterized in that, The smooth surface (2) and the rough surface (10) of the hook and loop fasteners are used together by adhesive bonding.
8. A rectal electrode fixation device according to claim 5, characterized in that, The threaded column (12) and the threaded groove (11) are threaded together.