Defecation enema aspirator

Abstract

The invention discloses an excrement removal enema aspirator which comprises a double-cavity tube body, an end bag-shaped combination body and a pushing sleeve. An enema tube and a suction tube are arranged in the double-cavity tube, and a sealing plug and a variable-diameter tube opening plug are arranged at the tail part; a memory metal support is arranged in the bag-shaped combination body, and the bag-shaped combination body is controlled to be unfolded into a funnel shape or folded into a cone shape by pushing and pulling the pushing sleeve. During operation, the unfolded funnel-shaped structure can be used for enema, excrement stirring and excrement water suction synchronously, so that enema-stirring-suction integrated closed-loop operation is formed, and the device is suitable for old people, pregnant and lying-in women and long-term bedridden constipation patients due to diseases, and has the advantages of being convenient to operate, thorough in cleaning, almost free of pollution and small in pain of the patients. The structure, the function, the operation and the application of the excrement-removing enema aspirator are described in detail, so that the innovation and the practicability of the excrement-removing enema aspirator in the field of constipation treatment are fully reflected, and an efficient and convenient novel medical tool is provided for clinic.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a stool removal enema aspirator for removing feces in the rectum, which is particularly suitable for treating constipation in the elderly, patients with fecal tamponade, constipation in pregnant women, and severe constipation caused by long-term bed rest due to illness. Background Art

[0002] In the medical field, constipation is a common disease, especially in an aging society. The elderly suffer from constipation and fecal impaction due to the decline of physical function. In addition, pregnant women, inpatients of neurology and surgery, fracture patients, etc. often face serious constipation problems due to physiological or pathological factors. Currently, commonly used constipation treatment methods include oral laxatives, enema, manual stool extraction and traditional enema. However, these methods have many shortcomings: oral laxatives are slow to take effect and may cause abdominal pain and electrolyte imbalance. Patients with fecal impaction have almost no effect, and family patients suffer; enema has a limited range of action and is not effective for severe fecal masses; manual stool extraction is painful for patients, easily damages the rectal mucosa, seriously pollutes the environment, and even causes intestinal toxic gas to corrode the respiratory tract of medical staff; traditional enema requires multiple operations, the enema solution and feces are not mixed sufficiently, and fecal water often overflows and pollutes the bed unit and the environment, resulting in long treatment time and strong patient discomfort. Therefore, there is an urgent need for a convenient medical device that can realize the integrated operation of "enema-stirring-suction" to improve the environmental hygiene, efficiency and comfort of constipation treatment. Summary of the invention

[0003] Purpose of the Invention The purpose of the present invention is to provide a stool enema aspirator, which, through a unique structural design, realizes an integrated closed-loop operation of enema, stirring feces, and aspirating fecal water, thereby solving the problems of low efficiency in constipation treatment, fecal water overflow, environmental pollution, and patient pain in the prior art, and provides a convenient and efficient medical means for clinical constipation treatment. Technical Solution

[0004] A stool removal enema aspirator, the core structure of which comprises: Double-lumen tube body (3): The double-lumen tube has a total length of 15 cm and an inner diameter of 2.5 cm. It is a composite structure of a suction tube (4) and an enema tube (2, 2-1). Among them, the built-in thin tube with an inner diameter of 0.5 cm is the enema tube (2), which is fixed to the inner wall of the suction tube by a bonding process to form a coaxial double-lumen structure. At 3 cm from the lower end of the double-lumen tube, the built-in enema tube (2-1) separates from the suction tube wall to form a conjoined double-lumen tube (3) tail structure. The double-lumen tube mouths of the tail structure are respectively equipped with sealing plugs (10, 11) for operating the front and rear closed tube lumens. Since the inner diameter of the suction tube is relatively large, a variable diameter tube mouth plug (9) is also provided to facilitate the connection of aspirators of different specifications.

[0005] Terminal cystic union ( Figure 1 ): The end of the double-lumen tube is connected to a conical sac-like structure (1) with a built-in memory metal stent (7). The end of the sac-like combination wraps around the end of the 10 cm long enema tube (2) to ensure that the enema liquid can be accurately delivered to the site of action. The outer wall of the middle and lower section of the sac-like combination is surrounded by a push sleeve (6) that is fixed to the double-lumen tube in a rotating thread. The outer surface of the lower end of the sleeve is designed as a serrated structure (6-1) to facilitate the rotation operation of medical personnel.

[0006] Deformable funnel structure ( Figure 2 ): When the push spiral tube (6) is unscrewed to release the capsule, the cone is deformed into a semi-circular, funnel-shaped structure (1-1) under the elastic return of the memory metal bracket, and the wide mouth opens upward. According to the different distances of the spiral tube being twisted back, the inner diameter of the wide mouth can be adjusted according to the inner diameter of the lower rectum of patients of different heights, and the specifications are 3cm, 5cm, and 8cm respectively. The semi-circular notch (8) is adjusted to the upper part of the patient's body position, and its width accounts for one-third of the circumference of the wide mouth of the funnel. The design of the notch is intended to facilitate the medical staff to insert their index finger into the anus to stir the feces, so that the feces and water are fully compatible.

[0007] Operation control mechanism: The shape of the capsule is changed by rotating the push sleeve (6). When the feces processing is completed (the feces water is sucked out and clear, and the feces cannot be felt by finger examination), the push sleeve is rotated upward to make the funnel-shaped silicone body shrink back into a cone shape (1), and then the device is gently removed to complete the operation. Beneficial Effects

[0008] Integrated closed-loop operation: realize "enema - stirring - suction" simultaneously, avoid multiple operations of traditional methods, improve treatment efficiency and shorten operation time.

[0009] Strong adaptability: The wide-mouth inner diameter of the funnel can be adjusted according to individual differences of patients. It is suitable for patients of different heights and rectal structures, especially for special groups such as the elderly, pregnant women, etc.

[0010] Convenient and comfortable operation: The serrated push sleeve is easy to rotate and control, and the semi-annular notch design is convenient for finger stirring, which reduces damage to the rectal mucosa and reduces the pain of patients.

[0011] Multifunctional design: The configuration of the double-lumen tube tail sealing plug and the variable diameter tube mouth plug meets the needs of different operation scenarios, facilitates the connection of various suction equipment, and improves the versatility of the device.

[0012] Efficient removal: The cooperation of the memory metal bracket and the silicone body enables the funnel structure to expand and collapse quickly, and the collection and suction of feces and water are carried out simultaneously, ensuring that the feces are completely removed and the feces and water will not overflow accidentally.

[0013] Description of the Drawings (Text Description) Figure 1: Schematic diagram of the overall structure of the feces-removing enema aspirator, showing the connection relationship of the double-lumen tube body, the end sac-like combination body, and the pushing sleeve.

[0014] Figure 2: Schematic diagram of the overall structure of the feces-removing enema aspirator in the working state.

[0015] Figure 3: Schematic diagram of the elastic expansion (return) structure of the memory metal stent built into the sac-like combination body. Detailed Description of the Specific Embodiment

[0016] Detailed Description of the Device Structure The main body of the feces-removing enema aspirator is a double-lumen tube with a length of 15 cm. The inner diameter of the suction tube is 2.5 cm, and the enema tube is a 0.5 cm thin tube built-in. The two are fixed by medical adhesive to ensure the stable position of the enema tube in the suction tube. At 3 cm from the lower end of the double-lumen tube, the enema tube branches out from the side wall of the suction tube to form a double-lumen tube structure at the tail. Rubber sealing plugs are equipped at the two tube orifices respectively to prevent foreign objects from entering before operation and residual liquid from leaking after operation. In addition to the conventional sealing plug at the orifice of the suction tube, a bottleneck-shaped variable-diameter orifice plug made of elastic material is provided, and its inner diameter can be adapted to different diameters of the aspirator connecting tubes (such as 1.5 cm, 2.0 cm, etc.) to improve the compatibility of the device.

[0017] The end sac-like combination body is made of medical silicone, which has both elasticity and biocompatibility. A memory metal stent (such as nitinol alloy) is embedded inside, and the stent is arranged in an umbrella-shaped arc to endow the sac with a specific shape memory function. The front end of the sac wraps the last 10 cm of the enema tube, and multiple water outlet holes are evenly distributed on the surface of this section of the enema tube to ensure uniform spraying of the enema liquid. A pushing sleeve is sleeved on the outer wall of the middle and lower sections of the sac. The sleeve is connected to the outer wall of the double-lumen tube by threads, and the thread pitch is designed to be 1 mm to facilitate precise control of the rotation amount. The outer surface of the lower end of the sleeve is processed into a serrated shape, with a tooth pitch of 2 mm and a tooth height of 1 mm, increasing the friction between the finger and the sleeve and making the rotation operation more labor-saving.

[0018] Operation Steps Preoperative preparation: Check whether all components of the feces-removing enema aspirator are in good condition, open the conical sac to check the integrity of the silicone sheet, especially check that the built-in metal stent has no external leakage, check whether the sealing plug at the tail of the double-lumen tube is airtight, install the variable-diameter orifice plug at the orifice of the suction tube, connect the aspirator and debug the negative pressure (usually set to -80 to -120 mmHg).

[0019] Device insertion: The patient lies on his left side with his buttocks raised. The medical staff wears gloves and inserts his index finger into the anus with sufficient lubricant to feel the degree of fecal filling. He tries to open a gap in the longitudinal direction of the rectum and the center of the feces. If unsuccessful, he uses a spring rotator to open a fecal hole. The doctor changes gloves and applies medical lubricant to the cystic combination and the end of the enema tube. Rotate the push sleeve downward to make the cystic body shrink into a cone shape, gently insert the front end of the device into the anus, and slowly push it until the cystic body is inserted into the anus.

[0020] Balloon expansion: Rotate the push sleeve downward to release the restraint on the balloon. Under the elastic effect of the memory metal stent, the balloon slowly expands into a semi-circular funnel shape with the wide mouth facing upward (toward the rectum) and the semi-circular notch located above the patient's position (such as the notch facing the right side of the patient when lying on the left side).

[0021] Enema and stirring: Remove the sealing plug at the end of the enema tube, and inject warm saline or enema liquid (temperature 38-40℃, volume about 200-500ml) through the enema tube. At the same time, the medical staff inserts the index finger into the anus through the semi-annular notch and gently stirs the feces within the funnel to fully mix the feces and enema liquid to form fecal water.

[0022] Suction removal: Turn on the suction device, and after the feces are collected by the funnel, they are sucked into the transparent container of the suction device through the suction tube. Observe the color of the suction fluid. When the suction fluid is clear and free of feces, stop suction and perform a digital examination. If no feces can be felt, it means that the removal is complete.

[0023] Device removal: Turn off the suction device, seal the suction tube opening with a sealing plug, rotate the push sleeve upward to shrink the funnel-shaped capsule into a cone shape, and slowly remove the device from the anus to dispose of it as a disposable contaminated medical consumable.

[0024] Clinical application scenarios Treatment of constipation in the elderly: In view of the characteristics of relaxed rectal muscles and dry stool in elderly patients, the funnel structure can fully expand to collect fecal water, and the stirring function helps soften dry stool and reduce the pain of manual stool picking.

[0025] Maternal constipation: Gentle operation method avoids putting pressure on the pregnant woman’s abdomen, and integrated operation reduces operation time and reduces the discomfort of pregnant women.

[0026] Long-term bedridden patients: It is suitable for severe fecal tamponade caused by long-term bed rest in neurology and surgery, fractures, etc. It can be operated directly at the bedside without moving the patient, thus improving the convenience of nursing.

[0027] Emergency constipation treatment: For patients with acute fecal obstruction, feces can be quickly cleared, intestinal pressure can be relieved, and conditions for subsequent treatment can be created.

[0028] Summary of innovations Structural innovation: The combination of a double-lumen tube and a memory metal stent capsule, controlling the morphological transformation of the capsule through a pushing cannula, achieving reversible changes between a funnel shape and a conical shape, and meeting the requirements of different operation stages.

[0029] Functional integration: Integrating the three functions of enema, stirring, and suction into the same device to form a closed-loop processing flow, breaking through the limitations of the step-by-step operation of traditional methods.

[0030] User-friendly design: The semi-circular notch facilitates finger stirring, the variable-diameter tube mouth plug adapts to different devices, and the length and diameter designs conform to ergonomics, reducing the operation difficulty and the risk of patient injury.

Claims

1. A fecal enema aspirator, characterized in that, include: The main body of the double-lumen tube has a total length of 15 cm and an inner diameter of 2.5 cm. It has a built-in 0.5 cm enema tube. The enema tube is bonded and fixed to the inner wall of the suction tube. The enema tube is separated from the suction tube wall at 3 cm below the lower end of the double-lumen tube to form a tail double-lumen structure. The tail double-lumen tube openings are respectively equipped with sealing plugs, and the suction tube opening is equipped with a variable-diameter tube opening plug; The end sac-shaped combination is connected to the front end of the double-lumen tube. It is a conical silicon capsule-shaped structure with a built-in memory metal bracket. The end is wrapped with a 10cm long enema tube outlet end. The outer wall of the middle and lower sections is an annular sleeve that is threadedly connected to the double-lumen tube. The outer surface of the lower end of the sleeve is serrated. When the push sleeve is unscrewed, the sac-like combination is expanded into a semi-annular funnel shape under the action of the memory metal bracket. The wide-mouth inner diameter can be adjusted to 3cm, 5cm or 8cm. The width of the semi-annular gap accounts for one-third of the circumference of the funnel. When the push sleeve is rotated and pushed upward, it is folded into a cone shape.

2. The enema aspirator for defecation removal according to claim 1, characterized in that, The memory metal bracket is made of nickel-titanium alloy, has shape memory function, and can elastically return to form a funnel-shaped structure at room temperature.

3. The enema aspirator for defecation removal according to claim 1, characterized in that, The thread pitch of the push sleeve and the double-lumen tube is 0.5-1.5 mm, the tooth pitch of the serrated surface of the sleeve is 1-3 mm, and the tooth height is 0.5-1.5 mm.

4. The enema aspirator for defecation removal according to claim 1, characterized in that The variable diameter tube mouth plug is made of elastic silicone, and the inner diameter of the tube plug changes like a bottleneck to adapt to the sealing connection of suction device connecting tubes of different specifications.

5. The enema aspirator for feces removal according to claim 1, characterized in that, The end of the enema tube is a smooth semicircle, and 2-3 water outlet holes with a diameter of 2-3 mm are distributed within 2 cm of the tube end, and the hole spacing is 5-10 mm.

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