Postoperative digestive juice filtering and returning device for abdominal surgery patient

Abstract

The application discloses a postoperative digestive juice filtering and returning device for abdominal surgery patients and belongs to the field of medical devices, which comprises a filtering and storing cylinder, a diluting cylinder, a returning cylinder, a piston one and a piston two, the diluting cylinder is arranged on the side of the storing cylinder, the returning cylinder is arranged on the side of the diluting cylinder, the piston one is slidably arranged in the diluting cylinder, and the piston two is slidably arranged in the returning cylinder. The application can finely adjust the returning efficiency, dilute the viscosity of different digestive juice original solutions, and sequentially and gradually return the digestive juice of the abdominal surgery patients. Compared with the traditional mode, the application can meet the returning requirements of different patients and different situations as much as possible, finely adjusts the postoperative nursing process, reduces the discomfort of the patients, and improves the recovery efficiency.

Description

Technical Field

[0001] This invention belongs to the field of medical device technology, specifically referring to a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients. Background Technology

[0002] Patients undergoing abdominal surgery have not fully recovered their digestive function after surgery and are prone to digestive fluid retention. Clinically, it is necessary to filter the drained digestive fluid and reinfuse it into the patient's body to maintain electrolyte balance and promote the recovery of intestinal function. Most existing digestive fluid filtration and reinfusion devices use a piston squeezing method to push the digestive fluid through the filter screen, but such devices have many technical defects in terms of pressure monitoring and viscosity control.

[0003] Because patients' postoperative digestive fluid secretion is often disordered, and the viscosity of the drained digestive fluid varies from person to person and over time, it is often too viscous. Existing devices cannot adjust the dilution amount based on the actual pressure feedback when the piston is squeezed, and rely more on manually preset dilution ratios. This makes it impossible to dynamically match the real-time viscosity of the digestive fluid, resulting in large fluctuations in the concentration of the reinfused fluid. This can easily cause discomfort such as abdominal distension and abdominal pain in patients, and cannot achieve precise and uniform control of the viscosity of digestive fluid, making it difficult to meet the needs of refined clinical nursing.

[0004] Therefore, there is an urgent need for a digestive fluid filtration and reinjection device that can dynamically adjust the dilution amount and achieve uniform viscosity of the digestive fluid, thus solving the problems of pressure not being able to be monitored, low viscosity control accuracy, and excessive manual intervention in existing technologies. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the present invention provides a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients, which effectively solves the above problems.

[0006] The technical solution adopted by the present invention is as follows: The present invention provides a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients, including a filtration storage cylinder, a dilution cylinder, a reinfusion cylinder, a piston one and a piston two. The dilution cylinder is located on the side of the storage cylinder, the reinfusion cylinder is located on the side of the dilution cylinder, the piston one is slidably located inside the dilution cylinder, and the piston two is slidably located inside the reinfusion cylinder.

[0007] Furthermore, the filter storage cylinder includes a cylinder body, an opening on one side wall of the cylinder body, a filter plate inserted into the opening, a sealing edge on the outer edge of the filter plate, the sealing edge fitting into the opening, and a liquid inlet at the top of the cylinder body.

[0008] Furthermore, the dilution cylinder includes a second cylinder body, which contains a temporary storage chamber and a dilution chamber. The temporary storage chamber is located above the dilution chamber. A connecting pipe is provided between the first cylinder body and the temporary storage chamber, connecting the temporary storage chamber and the first cylinder body. One end of the connecting pipe is located at the bottom of the first cylinder body, and the other end is located at the bottom of the temporary storage chamber. A partition is provided between the temporary storage chamber and the dilution chamber. The partition has filter holes. A hinge plate is symmetrically provided below the filter holes. The hinge plate is elastically hinged to the bottom of the partition. In the initial state, the hinge plate fits against the partition and completely blocks the filter holes. An air pump is provided on the top wall of the temporary storage chamber, and the air pump is connected to the temporary storage chamber. A liquid injection port is provided on the side wall of the dilution chamber.

[0009] Furthermore, the return cylinder includes a cylinder body three, with a liquid outlet at the bottom of the cylinder body three. The liquid outlet is a one-way drain outlet, allowing liquid to be discharged only from inside the cylinder body three through the outlet. The cylinder body three communicates with the dilution chamber. An air pump two is located on the side wall of the cylinder body three and communicates with the cylinder body three. A screw hole is opened on the top wall of the cylinder body three, and a screw is rotatably installed within the screw hole. A piston two is slidably installed inside the cylinder body three, located below the screw. The return cylinder also includes an interface located at the top of the cylinder body three, and the interface is equipped with… An infusion pump is provided, with a connecting pipe three between the infusion port and the infusion pump. A solenoid valve is installed inside the infusion port. The interface is connected to physiological saline. Connecting an external physiological saline (bottle) to the interface completes the connection. The infusion pump can continuously inject physiological saline at a constant pressure into the infusion port to prevent changes in water pressure caused by changes in the liquid level in the physiological saline storage container, thereby affecting the output. The top of the cylinder three is also provided with a circumferential array of support rods. The top of the support rods is provided with a support ring. The support ring can keep the physiological saline container connected to the interface stable.

[0010] Furthermore, a piston is slidably installed inside the temporary storage chamber, and a pressure sensor is installed at the bottom of the piston. The solenoid valve is connected to the pressure sensor. The digestive fluid is pushed from the temporary storage chamber to the dilution chamber by the air pump. The digestive fluid of different viscosities experiences different resistances when passing through the filter holes, which is fed back to the pressure sensor at the bottom of the piston in the form of pressure. The pressure sensor adjusts the opening of the solenoid valve through an electrical signal, thereby adjusting the amount of physiological saline injected.

[0011] Furthermore, the bottom of the dilution chamber is equipped with a rotating plate that is electrically controlled to rotate. The top of the rotating plate is equipped with a circumferential array of stirring rods. The rotating plate drives the stirring rods to rotate, which can fully mix the physiological saline and digestive fluid.

[0012] Furthermore, a connecting pipe 2 is provided between the cylinder 3 and the dilution chamber. The connecting pipe 2 connects the dilution chamber and the cylinder 3. One end of the connecting pipe 2 is located at the bottom of the dilution chamber, and the other end of the connecting pipe 2 is located at the bottom of the cylinder 3.

[0013] Furthermore, the first connecting pipe is equipped with a one-way valve, which controls that liquid can only enter the temporary storage chamber from the first cylinder. The second connecting pipe is equipped with a one-way valve, which controls that liquid can only enter the third cylinder from the dilution chamber. The digestive fluid enters the filter storage cylinder from the inlet, and after being filtered by the filter plate, it enters the temporary storage chamber under the negative pressure of the first air pump and the first piston. Then it enters the dilution chamber, and after being fully stirred and diluted by physiological saline, it enters the third cylinder under the negative pressure of the second air pump and the second piston. It is then pushed out from the outlet by the second piston and returned to the patient's body.

[0014] Furthermore, to facilitate transportation, a handle is provided at the top of the second cylinder.

[0015] The beneficial effects of this invention using the above structure are as follows: This solution provides a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients. In the filtration and reinfusion process of this invention, the digestive fluid is filtered through a filter plate and stored in the first cylinder. The detachable design of the filter plate facilitates timely cleaning and prevents clogging that could affect efficiency. Simultaneously, the pressure sensor at the bottom of the second piston converts the resistance as the piston pushes the original digestive fluid through the filter holes into an electrical signal, adjusting the opening of the solenoid valve controlling the addition of saline solution. This allows for the addition of different amounts of saline solution based on the different viscosity of the digestive fluid for different patients at different times, ensuring standardized dilution of the original digestive fluid. Furthermore, the liquid output per reciprocation can be adjusted by rotating the screw to regulate the sliding amplitude of the second piston, enabling gradual reinfusion of digestive fluid for abdominal surgery patients. Compared to traditional methods, this device better meets the reinfusion needs of different patients and conditions, refines the postoperative care process, reduces patient discomfort, and improves recovery efficiency. Attached Figure Description

[0016] Figure 1 This invention provides a schematic diagram of a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients. Figure 2 Exploded view of the filter storage cylinder provided by the present invention; Figure 3 This is a schematic diagram of the structure of the dilution cylinder provided by the present invention; Figure 4 A perspective sectional view of the dilution cylinder provided by the present invention; Figure 5 A perspective cross-sectional view of the dilution cylinder provided by the present invention from another angle; Figure 6 This is a schematic diagram of the structure of piston two provided by the present invention; Figure 7 This is a schematic diagram of the structure of the return cylinder provided by the present invention; Figure 8A cross-sectional view of the return cylinder provided by the present invention.

[0017] The components include: 1. Filter storage cylinder; 2. Dilution cylinder; 3. Return cylinder; 4. Piston one; 5. Piston two; 101. Cylinder body one; 102. Opening; 103. Connecting pipe one; 104. One-way valve one; 105. Filter plate; 106. Sealing edge; 107. Liquid inlet; 201. Cylinder body two; 202. Handle; 203. Air pump one; 204. Temporary storage chamber; 205. Dilution chamber; 206. Partition plate; 207. Filter hole. 208. Hinge plate; 209. Rotating plate; 210. Stirring rod; 211. Injection port; 212. Solenoid valve; 301. Third cylinder; 302. Second connecting pipe; 303. Second check valve; 304. Second air pump; 305. Screw hole; 306. Screw; 307. Interface; 308. Infusion pump; 309. Third connecting pipe; 310. Support rod; 311. Support ring; 312. Inlet; 401. Pressure sensor.

[0018] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0021] like Figures 1-8 As shown, the present invention provides a postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients, including a filter storage cylinder 1, a dilution cylinder 2, a reinfusion cylinder 3, a piston 4 and a piston 5. The dilution cylinder 2 is located on the side of the storage cylinder, the reinfusion cylinder 3 is located on the side of the dilution cylinder 2, the piston 4 is slidably located inside the dilution cylinder 2, and the piston 5 is slidably located inside the reinfusion cylinder 3.

[0022] The filter storage cylinder 1 includes a cylinder body 101. The side wall of the cylinder body 101 is provided with an opening 102. A filter plate 105 is inserted into the opening 102. The outer edge of the filter plate 105 is provided with a sealing edge 106. The sealing edge 106 is fitted with the opening 102. The top of the cylinder body 101 is provided with a liquid inlet 107.

[0023] The dilution cylinder 2 includes a cylinder body 201, within which a temporary storage chamber 204 and a dilution chamber 205 are provided. The temporary storage chamber 204 is located above the dilution chamber 205. A connecting pipe 103 is provided between the cylinder body 101 and the temporary storage chamber 204, connecting the temporary storage chamber 204 and the cylinder body 101. One end of the connecting pipe 103 is located at the bottom of the cylinder body 101, and the other end of the connecting pipe 103 is located at the bottom of the temporary storage chamber 204. A partition 206 is provided between the dilution chamber 205 and the dilution chamber 206. A filter hole 207 is provided on the partition 206. A hinge plate 208 is symmetrically provided below the filter hole 207. The hinge plate 208 is elastically hinged to the bottom of the partition 206. In the initial state, the hinge plate 208 fits against the partition 206 and completely blocks the filter hole 207. An air pump 203 is provided on the top wall of the temporary storage chamber 204. The air pump 203 is connected to the temporary storage chamber 204. An injection port 211 is provided on the side wall of the dilution chamber 205.

[0024] The return conveyor 3 includes a cylinder body 301. A liquid outlet 312 is located at the bottom of the cylinder body 301. The liquid outlet 312 is a one-way drain outlet, allowing liquid to be discharged only from inside the cylinder body 301 through the outlet 312. The cylinder body 301 communicates with the dilution chamber 205. An air pump 304 is located on the side wall of the cylinder body 301 and communicates with the cylinder body 301. A screw hole 305 is located on the top wall of the cylinder body 301. A screw 306 is rotatably mounted within the screw hole 305. A piston 5 is slidably mounted inside the cylinder body 301. The second plug 5 is located below the screw 306. The return tube 3 also includes an interface 307, which is located at the top of the tube body 301. An infusion pump 308 is provided at the interface 307. A connecting pipe 309 is provided between the injection port 211 and the infusion pump 308. A solenoid valve 212 is provided inside the injection port 211. A support rod 310 is also arranged in a circumferential array at the top of the tube body 301. A support ring 311 is provided at the top of the support rod 310. The support ring 311 can keep the saline container connected to the interface 307 stable.

[0025] A piston 4 is slidably installed inside the temporary storage compartment 204. A pressure sensor 401 is installed at the bottom of the piston 4. The solenoid valve 212 is connected to the pressure sensor 401.

[0026] The bottom of the dilution chamber 205 is equipped with a rotating plate 209, which is electrically controlled to rotate. The top of the rotating plate 209 is equipped with a circular array of stirring rods 210. The rotating plate 209 drives the stirring rods 210 to rotate, which can fully mix physiological saline and digestive fluid.

[0027] A connecting pipe 302 is provided between the cylinder 301 and the dilution chamber 205. The connecting pipe 302 connects the dilution chamber 205 and the cylinder 301. One end of the connecting pipe 302 is located at the bottom of the dilution chamber 205, and the other end of the connecting pipe 302 is located at the bottom of the cylinder 301.

[0028] One-way valve 104 is installed in connecting pipe 103. One-way valve 104 controls that liquid can only enter the temporary storage chamber 204 from the cylinder 101. One-way valve 203 is installed in connecting pipe 202. One-way valve 203 controls that liquid can only enter the cylinder 301 from the dilution chamber 205. The digestive fluid enters the filter storage cylinder 1 from the inlet 107. After being filtered by the filter plate 105, it enters the temporary storage chamber 204 under the negative pressure of the air pump 203 and piston 4. Then it enters the dilution chamber 205. After being fully stirred and diluted by physiological saline, it enters the cylinder 301 under the negative pressure of the air pump 204 and piston 25. It is then pushed out from the outlet 312 by piston 25 and returned to the patient's body.

[0029] A handle 202 is provided at the top of the cylinder 201.

[0030] In practical use, an external saline solution is connected via interface 307, the patient's digestive fluid discharge tube is connected to inlet 107, and the patient's digestive fluid return tube is connected to outlet 312. Filtration and return can then begin. As the patient's digestive fluid is discharged, it enters cylinder 101, is filtered by filter plate 105, and stored within cylinder 101. Air pump 203 is then activated, and its cycle, controlled by air pressure, reciprocates piston 4. When piston 4 moves upward, air... The digestive fluid stock solution is drawn into the temporary storage chamber 204 under negative pressure. When piston 4 moves downward, it pushes the digestive fluid stock solution through the filter hole 207 into the dilution chamber 205, and the infusion pump 308 and solenoid valve 212 are activated to inject physiological saline into the dilution chamber 205. As the digestive fluid stock solution passes through the filter hole 207, the resistance varies depending on the viscosity of the solution; the more viscous the digestive fluid stock solution, the greater the resistance it encounters when passing through the filter hole 207. The resistance feedback is transmitted as pressure to the pressure sensor 401 at the bottom of piston 4. The pressure sensor 401 converts the received pressure information into an electrical signal and transmits it to the solenoid valve 212. The opening of the solenoid valve 212 is adjusted, thereby regulating the amount of saline solution delivered. The more viscous the digestive fluid, the more saline solution needs to be added for each reciprocating stroke of piston 4, and vice versa. After the digestive fluid concentrate and saline solution enter the dilution chamber 205, they are thoroughly mixed and diluted by the stirring of the rotating plate 209 and the stirring rod 210. The air pump 2 304 circulates and controls the reciprocating movement of piston 2 5 through air pressure. When piston 2 5 moves upward, the diluted digestive fluid is drawn into cylinder 3 301 through negative pressure. When piston 2 5 moves downward, it pushes the diluted digestive fluid out of the outlet 312 and back into the patient's body. According to the patient's actual situation, the screw 306 can be rotated. The up and down movement of the screw 306 can adjust the movement range of piston 2 5, thereby adjusting the amount of digestive fluid returned by piston 2 5 per reciprocating stroke.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients, characterized in that: The system includes a filter storage cylinder (1), a dilution cylinder (2), and a return cylinder (3). The filter storage cylinder (1) is located on one side of the dilution cylinder (2), and the return cylinder (3) is located on the other side of the dilution cylinder (2). The dilution cylinder (2) includes a cylinder body (201), which contains a temporary storage chamber (204) and a dilution chamber (205). The temporary storage chamber (204) is located above the dilution chamber (205). The filter storage cylinder (1) communicates with the temporary storage chamber (204), and the return cylinder (3) communicates with the dilution chamber (205). A partition (206) is provided between the temporary storage chamber (204) and the dilution chamber (205). A filter hole (207) is provided on the partition (206), and a hinge plate (208) is symmetrically provided below the filter hole (207). (208) An elastic hinge is provided at the bottom of the partition (206). A piston (4) is slidably provided in the temporary storage chamber (204). An air pump (203) is provided on the top wall of the temporary storage chamber (204). The air pump (203) is connected to the temporary storage chamber (204). A pressure sensor (401) is provided at the bottom of the piston (4). The return tube (3) includes an interface (307). The interface (307) is connected to physiological saline. An infusion pump (308) is provided at the interface (307). An injection port (211) is provided on the side wall of the dilution chamber (205). A connecting pipe (309) is provided between the injection port (211) and the infusion pump (308). A solenoid valve (212) is provided in the injection port (211). The solenoid valve (212) is connected to the pressure sensor (401).

2. The postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 1, characterized in that: The return cylinder (3) also includes a cylinder body three (301), the interface (307) is located at the top of the cylinder body three (301), the cylinder body three (301) is connected to the dilution chamber (205), the side wall of the cylinder body three (301) is provided with an air pump two (304), the air pump two (304) is connected to the cylinder body three (301), the top wall of the cylinder body three (301) is provided with a screw hole (305), a screw rod (306) is rotatably provided in the screw hole (305), and a piston two (5) is slidably provided in the cylinder body three (301), the piston two (5) is located below the screw rod (306).

3. The postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 2, characterized in that: The filter storage cylinder (1) includes a cylinder body (101), the side wall of the cylinder body (101) is provided with an opening (102), a filter plate (105) is inserted into the opening (102), and a sealing edge (106) is provided on the outer edge of the filter plate (105), the sealing edge (106) is in contact with the opening (102).

4. The postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 3, characterized in that: The dilution chamber (205) is equipped with a rotating plate (209) at the bottom, which is electrically controlled to rotate. The top of the gripper plate is equipped with a circumferential array of stirring rods (210).

5. A postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 4, characterized in that: A connecting pipe (103) is provided between the first cylinder (101) and the temporary storage chamber (204). The connecting pipe (103) connects the temporary storage chamber (204) and the first cylinder (101). One end of the connecting pipe (103) is located at the bottom of the first cylinder (101), and the other end of the connecting pipe (103) is located at the bottom of the temporary storage chamber (204). A one-way valve (104) is provided inside the connecting pipe (103). The one-way valve (104) controls that liquid can only enter the temporary storage chamber (204) from the first cylinder (101).

6. A postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 5, characterized in that: A connecting pipe 2 (302) is provided between the three cylinders (301) and the dilution chamber (205). The connecting pipe 2 (302) connects the dilution chamber (205) and the three cylinders (301). One end of the connecting pipe 2 (302) is located at the bottom of the dilution chamber (205), and the other end of the connecting pipe 2 (302) is located at the bottom of the three cylinders (301). A one-way valve 2 (303) is provided inside the connecting pipe 2 (302). The one-way valve 2 (303) controls that the liquid can only enter the three cylinders (301) from the dilution chamber (205).

7. A postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 6, characterized in that: The top of the cylindrical body (301) is also provided with a circumferential array of support rods (310), and the top of the support rods (310) is provided with a support ring (311).

8. A postoperative digestive fluid filtration and reinfusion device for abdominal surgery patients according to claim 7, characterized in that: The top of the first cylinder (101) is provided with a liquid inlet (107), and the bottom of the third cylinder (301) is provided with a liquid outlet (312).

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