Bile drainage reinfusion device

Abstract

Disclosed in the present invention is a bile drainage reinfusion device, comprising a nasobiliary tube, a drainage bag, a sealed cylinder, a heating mechanism, a filtering mechanism and a reinfusion tube, wherein the drainage bag is arranged at an output end of the nasobiliary tube, the sealed cylinder is connected to an output end of the drainage bag, the heating mechanism and the filtering mechanism are arranged inside the sealed cylinder to heat and filter drained bile, and the reinfusion tube is connected to an output end of the sealed cylinder to reinfuse the heated and filtered bile into a patient's body. In the present invention, the provision of the heating mechanism and the filtering mechanism enables the heating and filtering of bile that is drained for reinfusion, thereby removing and intercepting impurities such as tissue fragments in the bile and preventing the impurities from entering a patient's body, and also avoiding tube blockage caused by viscous bile; and the heating of the bile reduces the discomfort caused by low-temperature bile entering the body, and also maintains the activity of enzymes in the bile. In addition, by means of providing the reinfusion tube, an overall-sealed-type drainage reinfusion device is implemented, thereby reducing contamination.

Description

Bile drainage and reinfusion device TECHNICAL FIELD

[0001] The present application belongs to the technical field of bile drainage and reinfusion, and particularly relates to a bile drainage and reinfusion device. BACKGROUND

[0002] With the deepening of the biological behavior of severe acute pancreatitis and gastric cancer, it is found that early autologous bile (gastric juice) reinfusion is beneficial to the recovery of gastrointestinal function and structure, helps to maintain the integrity of intestinal mucosa, protects the intestinal mucosal barrier, can significantly reduce the occurrence of intestinal infections, and has obvious improvement effect on abdominal surgery and abdominal organ function recovery.

[0003] In the prior art, for patients with long-term placement of nasobiliary duct for bile duct tumors, the daily drainage amount of bile is large, especially the high bile flow, which causes a large amount of loss of body fluid. Patients are prone to loss of appetite, diarrhea, water and electrolyte imbalance and circulatory volume deficiency due to long-term bile outflow, which affects the digestion of fat and the absorption of fat-soluble vitamins, affects postoperative recovery, and prolongs hospitalization time and increases cost. Reinfusing bile into the duodenum can avoid a large loss of body fluids, electrolytes and digestive fluids, correct electrolyte imbalance, promote appetite and speed up postoperative recovery of patients.

[0004] The bile reinfusion device in the prior art first needs to collect the drained bile from the drainage bag into a container, then filter the bile with sterile gauze, and then collect the filtered bile into another container connected to a infusion set, and input the bile through a nasojejunal tube or a jejunostomy tube. The bile may be contaminated by bacteria during operation, the bile is not in a constant temperature state, medical staff have a high risk of contacting patient's body fluids, and the technical problem is not conducive to self-protection.

[0005] A one-time closed bile drainage and reinfusion device is disclosed in Chinese Patent No. 201710907318.1, which comprises a drainage tube 1, an umbrella-shaped Murphy dropper 2, a collection bag 3 and a transition tube 5. The front end of the umbrella-shaped Murphy dropper 2 is connected to the drainage tube 1, the rear end of the umbrella-shaped Murphy dropper 2 is connected to one end of the transition tube 5, the other end of the transition tube 5 is connected to the collection bag 3, and the whole constitutes a closed drainage and reinfusion device. The device can make the bile collection and reinfusion process become a closed operation, reduce the iatrogenic pollution of bile and the pollution of bile to the surrounding environment and operating personnel, and play a bidirectional protection for patients and medical staff. However, the technical solution lacks filtering of bile, and the bile is not in a constant temperature state, so it needs to be improved. SUMMARY

[0006] The bile drainage and reinfusion device provided by the present application has the technical effects that the bile drainage and reinfusion device in the prior art lacks the structure for simultaneously filtering and heating and keeping warm the bile.

[0007] To achieve the above-mentioned object, the present application provides the following technical solutions.

[0008] In a first aspect, the present application provides a bile drainage and reinfusion device, comprising a nasobiliary tube, a drainage bag, a sealed cylinder, a heating mechanism, a filtering mechanism and a reinfusion tube, the drainage bag is arranged at the output end of the nasobiliary tube, the sealed cylinder is connected and arranged at the output end of the drainage bag, the heating mechanism and the filtering mechanism are arranged inside the sealed cylinder to heat and filter the bile drained out, and the reinfusion tube is connected and arranged at the output end of the sealed cylinder to reinfuse the heated and filtered bile into the patient's body.

[0009] The bile drained out for reinfusion is heated and filtered by arranging the heating mechanism and the filtering mechanism, the impurities such as tissue fragments in the bile are removed, the bile is prevented from entering the patient's body, the pipeline is prevented from being blocked due to the viscosity of the bile, the bile is heated to reduce the discomfort caused by low-temperature bile entering the human body, and the activity of enzymes in the bile is maintained.

[0010] Optionally, the heating mechanism comprises a heating layer and a plurality of electric heating rods, the heating layer is arranged in a cylindrical shape inside the sealed cylinder, the plurality of electric heating rods are arranged in a circumferential array inside the heating layer, and the inside of the heating layer is filled with water for heating.

[0011] Optionally, the filtering mechanism comprises a first disc, a second disc and a filter tube, the first disc and the second disc are arranged at intervals inside the input end of the sealed cylinder, the filter tube is arranged in a circumferential array on the first disc and the second disc, and the filter tube on the first disc and the second disc filters the bile entering thereinto.

[0012] Optionally, the filter pipe comprises a coarse filter pipe and a fine filter pipe, the coarse filter pipe and the fine filter pipe are arranged in a circumferential array on the first disc and the second disc, and the coarse filter pipe and the fine filter pipe are arranged in a staggered manner, and the openings of the coarse filter pipe on the first disc and the fine filter pipe on the second disc are in communication, and the openings of the fine filter pipe on the first disc and the coarse filter pipe on the second disc are in communication, by arranging the coarse filter pipe and the fine filter pipe, and arranging them in a staggered manner, and arranging the coarse filter pipe and the fine filter pipe in opposite directions on the first disc and the second disc, the filter pipe can be dredged by pushing the first disc and the second disc.

[0013] Optionally, the filter mechanism further comprises a spring ring, the spring ring is fixedly arranged on the first disc and the second disc, the spring ring is arranged on the first disc and the second disc, and the spring ring is arranged on the first disc and the second disc.

[0014] In a second aspect, the application also provides a bile drainage and return device, comprising a nasobiliary tube, a drainage bag, a heating mechanism, a filter mechanism, a return pipe and a circulation pipe, the drainage bag is arranged at the output end of the nasobiliary tube, the filter mechanism is connected and arranged at the output end of the drainage bag, the heating mechanism is connected and arranged at the output end of the filter mechanism, and is used for heating the filtered bile, the return pipe is arranged at the output end of the heating mechanism, and the circulation pipe is arranged at the end of the filter mechanism, and the output end of the circulation pipe is in communication with the input end of the filter mechanism.

[0015] By arranging the heating mechanism and the filter mechanism, the filtered bile can be heated in sequence, and by arranging the circulation pipe, it can be selected whether to circulate and filter the bile, so that more pure bile can be obtained.

[0016] Optionally, the filter mechanism comprises a mounting cylinder, a mounting base, a plurality of ceramic filter pipes and a sealing cover, the mounting base is in communication with the output end of the drainage bag, the mounting cylinder is sealingly arranged on the mounting base, the plurality of ceramic filter membranes are arranged in a circumferential array on the mounting base, and the sealing cover is arranged on the plurality of ceramic filter pipes, by adopting the ceramic filter membrane, the cross-flow filtration principle is used to accelerate the filtration of the bile, and the risk of plugging the filter pipe is reduced.

[0017] Optionally, the filter mechanism further comprises a nut and a bearing, the bearing is sleeved on the outer periphery of the sealing cover, the nut is arranged on the outer periphery of the bearing, and the end of the mounting cylinder is provided with a thread matched with the nut, the nut drives the sealing cover to be fixed on the mounting cylinder through the thread, and the bearing is arranged to fix the nut on the sealing cover through the thread.

[0018] Optionally, the heating mechanism comprises a plurality of electric heating rods, an outer cylinder and an inner cylinder, the outer cylinder is connected to the output end of the filtering mechanism, the inner cylinder is arranged inside the outer cylinder, and the plurality of electric heating rods are arranged in the gap between the outer cylinder and the inner cylinder in a circumferential array, so that the bile can be heated through water bath heating by arranging the electric heating rods in the gap between the outer cylinder and the inner cylinder.

[0019] Optionally, the heating mechanism further comprises a supporting seat, a rotating cylinder and a plurality of arc-shaped pieces, the supporting seat is arranged inside the inner cylinder, the rotating cylinder is movably sleeved on the outer periphery of the supporting seat, and the plurality of arc-shaped pieces are arranged on the outer periphery of the rotating cylinder in a circumferential array.

[0020] Compared with the prior art, the bile drainage and return device has the following beneficial effects:

[0021] 1. The bile drainage and return device of the present application can heat and filter the bile for drainage and return by arranging the heating mechanism and the filtering mechanism, remove the impurities such as tissue fragments in the bile, prevent the impurities from entering the patient's body, avoid the blockage of the pipeline caused by the thick bile, reduce the discomfort caused by the low-temperature bile entering the human body by heating the bile, and maintain the activity of enzymes in the bile.

[0022] 2. The bile drainage and return device of the present application can heat the bile by arranging the heating layer and heating the water in the heating layer by the electric heating rod, improve the uniformity of the heating temperature of the bile by water bath heating, control the water temperature easily and accurately, and heat the bile by water bath heating gently to avoid the change of the properties of the bile caused by direct heating.

[0023] 3. The bile drainage and return device of the present application can filter the bile by arranging the filtering pipe between the first disc and the second disc, block and remove the impurities in the bile, arrange the coarse filter pipe and the fine filter pipe in a staggered manner, and arrange the coarse filter pipe and the fine filter pipe on the first disc and the second disc in opposite directions, and push the first disc and the second disc to dredge the filtering pipe.

[0024] 4. The bile drainage and return device of the present application can select whether to circulate and filter the bile by arranging the circulating pipe to obtain purer bile, and accelerate the filtration of the bile and reduce the risk of blocking the filter pipe by using the ceramic filter membrane and the cross-flow filtration principle. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 is a structural schematic view of an embodiment of the present application;

[0026] Fig. 2 is an enlarged schematic view of the heating mechanism of the embodiment of the present application;

[0027] Fig. 3 is an enlarged schematic view of the filtering mechanism of the embodiment of the present application;

[0028] Fig. 4 is a schematic diagram of the structure of the second embodiment of the application;

[0029] Fig. 5 is an enlarged schematic diagram of the structure of the heating mechanism of the second embodiment of the application;

[0030] Fig. 6 is an exploded schematic diagram of the heating mechanism of the second embodiment of the application;

[0031] Fig. 7 is an exploded schematic diagram of the filtering mechanism of the second embodiment of the application.

[0032] Fig. 1 is a schematic diagram of the structure of the bile drainage and return device of the application, wherein: 1 is a nasobiliary tube, 2 is a drainage bag, 3 is a sealed cylinder, 4 is a heating mechanism, 41 is a heating layer, 42 is an electric heating rod, 43 is an outer cylinder, 44 is an inner cylinder, 45 is a support seat, 46 is a rotating cylinder, 47 is an arc-shaped piece, 5 is a filtering mechanism, 51 is a mounting cylinder, 52 is a mounting base, 53 is a threaded hole, 54 is a ceramic filter tube, 55 is a sealing cap, 56 is a nut, 57 is a bearing, 511 is a first disc, 512 is a second disc, 513 is a spring ring, 514 is a coarse filter tube, 515 is a fine filter tube, 6 is a return tube, 7 is a speed regulating valve, 8 is a circulation tube, 9 is a circulation pump, 10 is a first control valve, 11 is a flushing connector, 12 is a first filtrate tube, 13 is a second filtrate tube, 14 is a merging tube, and 15 is a second control valve. DETAILED DESCRIPTION

[0033] The application will be further described below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application. Example 1

[0034] As shown in Figs. 1 to 3, a bile drainage and return device is provided, which comprises a nasobiliary tube 1, a drainage bag 2, a sealed cylinder 3 and a return tube 6, wherein the nasobiliary tube 1 is preferably a product in the prior art, the input end of the drainage bag 2 is connected to the nasobiliary tube 1, the output end of the drainage bag 2 is connected to the input end of the sealed cylinder 3 through a hose in the prior art, and the return tube 6 is sealingly connected to the output end of the sealed cylinder 3.

[0035] Referring to Figs. 1 and 2, in this embodiment, the sealed cylinder 3 comprises a heating mechanism 4 and a filtering mechanism 5, wherein the filtering mechanism 5 is arranged inside the sealed cylinder 3 close to the input end, and the heating mechanism 4 is arranged inside the sealed cylinder 3. In use, the bile in the drainage bag 2 is filtered and heated in sequence by the filtering mechanism 5 and the heating mechanism 4 in the sealed cylinder 3, and then is returned to the patient's body through the return tube 6. By filtering, the impurities entering the patient's body are reduced, and by heating the bile, the discomfort caused by low-temperature bile entering the human body is reduced, and the activity of enzymes in the bile is maintained.

[0036] Referring to FIG. 1, FIG. 2 and FIG. 3, the filtering mechanism 5 of the present embodiment comprises a first disc 511 and a second disc 512, wherein the first disc 511 is fixed inside the sealed cylinder 3 near the input end, wherein the first disc 511 and the second disc 512 are both fixed with filtering tubes, and the filtering tubes on the first disc 511 and the second disc 512 are in communication and alignment, and when in use, the bile entering the sealed cylinder 3 first passes through the holes on the first disc 511 and enters the second disc 512 through the filtering tubes, and then enters the heating mechanism 4.

[0037] Referring to FIG. 3, the filtering tubes of the present embodiment are preferably coarse filtering tubes 514 and fine filtering tubes 515 with different diameters, wherein the inner diameter of the coarse filtering tube 514 is the outer diameter of the fine filtering tube 515, and the first disc 511 and the second disc 512 of the present embodiment are both fixed with a plurality of coarse filtering tubes 514 and fine filtering tubes 515 in circumferential array on the opposite surfaces, wherein the coarse filtering tubes 514 and the fine filtering tubes 515 are fixed in staggered positions, that is, one fine filtering tube 515 or one coarse filtering tube 514 is fixed between every two coarse filtering tubes 514 or fine filtering tubes 515, and the first disc 511 and the second disc 512 of the present embodiment are connected with a spring ring 513, wherein the spring ring 513 is preferably a spiral spring sheet structure in the prior art.

[0038] When in use, the bile entering the sealed cylinder 3 first passes through the holes on the first disc 511 and enters the coarse filtering tubes 514 or the fine filtering tubes 515 thereon, and then passes through the fine filtering tubes 515 or the coarse filtering tubes 514 on the second disc 512 and enters the holes on the second disc 512, and then enters the heating mechanism 4, and when the coarse filtering tubes 514 are blocked in the present embodiment, the device is disassembled, the fine filtering tubes 515 fixed on the first disc 511 and the second disc 512 are pressed into the inner holes of the coarse filtering tubes 514, and are aligned to be dredged, and the spring ring 513 is arranged to limit the pressing to avoid damage caused by excessive pressure.

[0039] Referring to FIG. 1 and FIG. 2, the heating mechanism 4 of the present embodiment comprises a heating layer 41, wherein the heating layer 41 is preferably a hollow structure and is fixed in the form of a ring inside the sealed cylinder 3 with the end portion abutting the second disc 512, the holes of the filtering tubes on the second disc 512 are arranged on both sides of the heating layer 41 respectively in the present embodiment, and the inside of the heating layer 41 is filled with water, and the inside of the heating layer 41 is circumferentially arrayed with a plurality of electric heating rods 42, wherein the electric heating rods 42 are preferably direct use of the electric heating rods in the prior art.

[0040] In use, the bile is filtered through the filter tube on the second disc 512 into the sealed barrel 3, wherein the water in the heating layer 41 is preheated to a set temperature by the electric heating rod 42, and the bile entering the water bath is heated to improve the uniformity of the bile heating temperature, and the water temperature is easy to control and has higher control accuracy. Meanwhile, the water bath heating of the bile is relatively mild, which avoids the property change of the bile due to direct heating.

[0041] It should be noted that in order to realize the adjustable rate of bile backflow in the embodiment, a speed regulating valve 7 is added to the backflow pipe 6, wherein the speed regulating valve 7 is preferably directly used in the prior art infusion flow rate regulator. In use, the speed regulating valve 7 is adjusted by sliding the roller on the infusion flow rate regulator to realize the adjustment of the rate of bile backflow. Embodiment two

[0042] Referring to FIGS. 4 to 7, a bile drainage and backflow device is provided, which comprises a nasobiliary tube 1, a drainage bag 2, a heating mechanism 4, a filtering mechanism 5, a backflow pipe 6 and a circulation pipe 8. The nasobiliary tube 1 and the drainage bag 2 are preferably directly used in the prior art, wherein the drainage bag 2 is fixedly connected to the output end of the nasobiliary tube 1, and the output end of the drainage bag 2 is preferably connected to the filtering mechanism 5 through a hose in the prior art, and the filtering mechanism 5 is preferably connected to the heating mechanism 4 through a hose in the prior art. The backflow pipe 6 is fixedly connected to the output end of the heating mechanism 4. In the embodiment, a speed regulating valve 7 is preferably arranged on the backflow pipe 6, wherein the speed regulating valve 7 has the same structure and function as that of the embodiment one, and thus will not be described herein. In the embodiment, the circulation pipe 8 is arranged at the end of the filtering mechanism 5, and the output end of the circulation pipe 8 is in communication with the input end of the filtering mechanism 5.

[0043] In use, the bile sequentially passes through the nasobiliary tube 1 and the drainage bag 2 into the filtering mechanism 5, and the filtered bile is repeatedly filtered into the circulation pipe 8 until the bile is filtered clean and then heated in the heating mechanism 4, or the once-filtered bile is directly heated in the heating mechanism 4 and then backflowed into the patient's body through the backflow pipe 6. The circulation pipe 8 is arranged to realize the circulation filtering of the bile, increase the purity of the bile backflow and reduce the influence of impurities.

[0044] Referring to FIG. 4, the embodiment further comprises a first filtrate pipe 12 and a second filtrate pipe 13, wherein the first filtrate pipe 12 is preferably arranged in communication with the top of the filtering mechanism 5, and the second filtrate pipe 13 is preferably arranged in communication with the bottom of the filtering mechanism 5. The output ends of the first filtrate pipe 12 and the second filtrate pipe 13 are in communication with a confluence pipe 14, and the output end of the confluence pipe 14 is fixedly connected to the input end of the heating mechanism 4.

[0045] In use, the two filtrate pipes are arranged above and below the filtering device to realize double-channel transmission of the filtered bile, reduce the risk of single-channel blockage, and increase the filtering rate.

[0046] In the embodiment, a circulating pump 9 is further connected to the circulating pipe 8 to realize the circulating filtration of the bile in the filtering device 5. In the embodiment, a flushing joint 11 and a first control valve 10 are further arranged on the circulating pipe 8, and a second control valve 15 is arranged on the converging pipe 14.

[0047] In use, the second control valve 15 is opened, the first control valve 10 is closed, and the circulating pump 9 is not started. The filtered filtrate of the bile in the filtering device 5 is sequentially input into the heating device 4 through the first filtrate pipe 12 and the second filtrate pipe 13 for heating, so that the bile is filtered through one-time filtration, which is convenient and fast.

[0048] Another filtering method is that the second control valve 15 is opened, the first control valve 10 and the circulating pump 9 are opened, and the filtered filtrate of the bile in the filtering device 5 is input into the heating device 4 through the first filtrate pipe 12 and the second filtrate pipe 13 for heating. At the same time, the circulating pump 9 circulates the bile in the filtering device 5 for filtration, thereby increasing the filtration of the bile.

[0049] Referring to FIGS. 1 and 7, the filtering device 5 in the embodiment includes a mounting cylinder 51 and a mounting base 52. The mounting cylinder 51 is preferably arranged on the mounting base 52 by welding technology in the prior art. The mounting base 52 is preferably a conical structure in the prior art. The top of the mounting base 52 is connected to the drainage bag 2 by a hose in the prior art. A plurality of threaded holes 53 are arranged in a circumferential array on the bottom of the mounting base 52. A ceramic filter membrane 54 is threadedly connected to each threaded hole 53. The ceramic filter membrane 54 in the embodiment is preferably a ceramic filter membrane 54 in the prior art. The pore size of the selected ceramic filter membrane 54 is preferably 0.1 um to 10 um.

[0050] The ceramic filter membrane 54 is arranged in the mounting cylinder 51. Threaded grooves are arranged on the outer periphery of the end of the mounting cylinder 51. A sealing cover 55 is arranged on the end of the mounting cylinder 51. A plurality of through holes are arranged on the sealing cover 55 and adapted to the ceramic filter tube 54. The end of the ceramic tube 54 abuts each through hole. The bile passing through the ceramic filter tube 54 can be output through the through hole. A bearing 57 in the prior art is fixedly sleeved on the outer periphery of the sealing cover 55. A nut 56 is fixed to the outer ring of the bearing 57. The diameter of the nut 56 is adapted to the outer diameter of the mounting cylinder 51. The nut 56 is adapted to the threaded grooves on the mounting cylinder 51.

[0051] In use, the ceramic filter tube 54 is fixed by screwing through the threaded hole 53 on the mounting base 52, the sealing cover 55 is abutted on the ceramic filter tube 54, and then the nut 56 is rotated, under the action of the bearing 57, the nut 56 is rotated on the threaded groove on the mounting cylinder 51, and the sealing cover 55 is abutted on the ceramic filter tube 54.

[0052] Referring to FIGS. 4, 5 and 6, the heating mechanism 4 in the embodiment includes an outer cylinder 43 and an inner cylinder 44, wherein the inner cylinder 44 is fixed in the outer cylinder 43 by welding technology in the prior art, the confluence pipe 14 penetrates into the inner cylinder 44, and a plurality of electric heating rods 42 are fixed in the cavity formed by the inner cylinder 44 and the outer cylinder 43 in a circumferential array, and the cavity is filled with water, so that water bath heating is realized by heating the electric heating rods 42, wherein the structure and principle of the electric heating rods 42 are the same as those of one of the embodiments, and thus will not be described here.

[0053] The inner cylinder 44 in the embodiment is fixed with a support seat 45, wherein the support seat 45 includes a plurality of support feet arranged in a circumferential array, and the top of each support foot is fixed with a disc, and the top of the disc is fixed with an electric motor in the prior art in the embodiment, wherein the output end of the electric motor is fixed with a rotating cylinder 46, and the outer periphery of the rotating cylinder 46 is fixed with a plurality of arc-shaped pieces 47 in a circumferential array, and the rotating cylinder 46 is preferably a hollow cylindrical structure, and the electric motor and the disc are sleeved in the interior, and the inner diameter of the rotating cylinder 46 is matched with the outer diameter of the disc, and in order to increase the sealing between the rotating cylinder 46 and the disc, a sealing ring is fixed on the outer periphery of the disc, and the sealing ring is preferably a rubber ring in the prior art, and the sealing ring is sealingly connected with the inner wall of the end of the rotating cylinder 46.

[0054] In use, the bile filtered through the ceramic filter tube 54 enters the inner cylinder 44 through the confluence pipe 14, wherein the water in the outer cylinder 43 has been heated to a preset temperature by the electric heating rods 42 before the bile enters, and the temperature is preferably 37-38 degrees Celsius, at this time, the electric motor is started to drive the rotating cylinder 46 and the arc-shaped pieces 47 thereon to rotate, so as to realize stirring of the bile in the inner cylinder 44 through the arc-shaped pieces 47, realize uniform heating, and improve the heating rate, and at the same time, the sealing ring is arranged to prevent the bile from entering the interior of the rotating cylinder 46.

[0055] Working principle: bile successively passes through nasobiliary tube 1 and drainage bag 2 into filtering mechanism 5, carries out filtering to bile in ceramic filter tube 54 therein, removes the impurities such as tissue fragments in the intercepted bile, prevents from entering the patient's body, simultaneously avoids the pipeline blockage caused by the bile viscosity, the bile filtered through ceramic filter tube 54 passes through the confluence pipe 14 into the inner cylinder 44, wherein the water in the outer cylinder 43 has been heated to the preset temperature by the electric heating rod 42 before the bile enters, at this time, the motor is started, drives the rotating drum 46 and the arc-shaped sheet 47 thereon to rotate, thereby realizes stirring the bile in the inner cylinder 44 through the arc-shaped sheet 47, realizes the uniformity of heating, and then is returned to the patient's body through the backflow pipe 6.

[0056] The embodiments of the application are described above with reference to the drawings; however, the application is not limited to the specific implementation described above, and the specific implementation described above is only illustrative but not restrictive, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, which all belong to the protection of the application.

Claims

1. A biliary drainage return device, characterized by: The application relates to a bile drainage device, which comprises a bile drainage tube (1), a drainage bag (2), a sealing cylinder (3), a heating mechanism (4), a filtering mechanism (5) and a backflow tube (6), wherein the drainage bag (2) is arranged at the output end of the bile drainage tube (1), the sealing cylinder (3) is arranged at the output end of the drainage bag (2), the heating mechanism (4) and the filtering mechanism (5) are arranged inside the sealing cylinder (3) and are used for heating and filtering the drained bile, and the backflow tube (6) is arranged at the output end of the sealing cylinder (3) and is used for backflowing the heated and filtered bile into the patient's body.

2. A device for the recirculation of bile drainage according to claim 1, characterized in that The heating mechanism (4) comprises a heating layer (41) and a plurality of electric heating rods (42), the heating layer (41) is arranged in a cylindrical shape inside the sealing cylinder (3), the plurality of electric heating rods (42) are arranged in a circumferential array inside the heating layer (41), and the heating layer (41) is filled with water for heating.

3. A device for the recirculation of bile drainage according to claim 1 or 2, characterised in that: The filtering mechanism (5) comprises a first disc (511), a second disc (512) and filtering tubes, the first disc (511) and the second disc (512) are arranged at intervals inside the input end of the sealing cylinder (3), the filtering tubes are arranged in a circumferential array on the first disc (511) and the second disc (512), and the filtering tubes on the first disc (511) and the second disc (512) are used for filtering the bile entering the filtering tubes.

4. A device for the recirculation of bile drainage according to claim 3, characterized in that: The filtering tubes comprise coarse filtering tubes (514) and fine filtering tubes (515), the coarse filtering tubes (514) and the fine filtering tubes (515) are arranged in a circumferential array on the first disc (511) and the second disc (512), the coarse filtering tubes (514) and the fine filtering tubes (515) are arranged at intervals and are staggered, the pipe openings of the coarse filtering tubes (514) on the first disc (511) and the fine filtering tubes (515) on the second disc (512) are opposite to each other, and the pipe openings of the fine filtering tubes (515) on the first disc (511) and the coarse filtering tubes (514) on the second disc (512) are opposite to each other.

5. A device for the recirculation of bile drainage according to claim 4, characterized in that: The filtering mechanism (5) further comprises spring rings (513), and the spring rings (513) are fixedly arranged on the first disc (511) and the second disc (512) on both sides.

6. A bile drainage and reinfusion device, characterized in that: The application relates to a bile drainage device, which comprises a bile drainage tube (1), a drainage bag (2), a heating mechanism (4), a filtering mechanism (5), a backflow tube (6) and a circulating tube (8), wherein the drainage bag (2) is arranged at the output end of the bile drainage tube (1), the filtering mechanism (5) is arranged at the output end of the drainage bag (2), the heating mechanism (4) is arranged at the output end of the filtering mechanism (5) and is used for heating the filtered bile, the backflow tube (6) is arranged at the output end of the heating mechanism (4), the circulating tube (8) is arranged at the end of the filtering mechanism (5), and the output end of the circulating tube (8) is communicated with the input end of the filtering mechanism (5).

7. A device for the recirculation of bile drainage according to claim 6, characterized in that: The filter mechanism (5) comprises a mounting cylinder (51), a mounting base (52), a plurality of ceramic filter tubes (54) and a sealing cover (55), the mounting base (52) is communicated and arranged at the output end of the drainage bag (2), the mounting cylinder (51) is sealingly arranged on the mounting base (52), the plurality of ceramic filter tubes (54) are circumferentially arranged on the mounting base (52), and the sealing cover (55) is sealingly arranged on the plurality of ceramic filter tubes (54).

8. A device for the recirculation of bile drainage according to claim 7, characterized in that: The filter mechanism (5) further comprises a nut (56) and a bearing (57), the bearing (57) is sleeved on the outer periphery of the sealing cover (55), the nut (56) is arranged on the outer periphery of the bearing (57), and the end of the mounting cylinder (51) is provided with threads matched with the nut (56), the nut (56) drives the sealing cover (55) to be fixed on the mounting cylinder (51) through the threads.

9. A biliary drainage return device according to claim 6 or 8, characterised in that: The heating mechanism (4) comprises a plurality of electric heating rods (42), an outer cylinder (43) and an inner cylinder (44), the outer cylinder (43) is connected and arranged at the output end of the filter mechanism (5), the inner cylinder (44) is arranged in the outer cylinder (43), and the plurality of electric heating rods (42) are circumferentially arranged in the gap formed by the outer cylinder (43) and the inner cylinder (44).

10. A biliary drainage return device according to claim 9, characterised in that: The heating mechanism (4) further comprises a supporting seat (45), a rotating cylinder (46) and a plurality of arc-shaped pieces (47), the supporting seat (45) is arranged in the inner cylinder (44), the rotating cylinder (46) is movably sleeved on the outer periphery of the supporting seat (45), and the plurality of arc-shaped pieces (47) are circumferentially arranged on the outer periphery of the rotating cylinder (46).

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