CN111494728B - Nephroureterostomy urine shunting monitoring system - Google Patents
Nephroureterostomy urine shunting monitoring system Download PDFInfo
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- CN111494728B CN111494728B CN202010339451.3A CN202010339451A CN111494728B CN 111494728 B CN111494728 B CN 111494728B CN 202010339451 A CN202010339451 A CN 202010339451A CN 111494728 B CN111494728 B CN 111494728B
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/201—Assessing renal or kidney functions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/207—Sensing devices adapted to collect urine
- A61B5/208—Sensing devices adapted to collect urine adapted to determine urine quantity, e.g. flow, volume
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
Abstract
The invention relates to a nephroureterostomy urine shunt monitoring system, which comprises an ostomy tube, a detection tube and a liquid storage tube, wherein one end of the ostomy tube is used for being connected with a nephroureter, and the other end of the ostomy tube is provided with a first connecting part; the detection tube is a tubular cavity structure with openings at two ends and is detachably connected with the fistulization tube; the flow monitoring device is arranged in the detection pipe, comprises a pressure sensing module, a signal transmission module and a power supply module and is used for monitoring the flow of liquid flowing through the pipe; the liquid storage tube is of a tubular cavity structure with openings at two ends and is detachably connected with the detection tube, a liquid storage tank is arranged in the liquid storage tube, and the liquid storage tank can store liquid flowing out of the tube; the advantages are that: the urine output of the kidneys on two sides is recorded respectively, the situation that the problem of the kidneys on one side is hidden is prevented, the urine collecting device has the function of storing up the latest urine for testing, and is good in stability and high in flexibility.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a nephroureterostomy urine shunt monitoring system.
Background
Nephroureterostomy is a common urinary flow diversion operation in urology surgery, and can be accompanied with a self-selecting total cystectomy, acute urinary obstruction, bilateral ureteral calculus, or purulent kidney, renal tuberculosis and the like.
At present, after the nephroureterostomy operation in clinic, if the operation is unilateral fistulization, the urine output can be recorded on one side, but if the operation is bilateral ureteral unilateral fistulization, two ureteral stents both discharge urine in an ostomy bag at the same time, the urine output of bilateral kidneys cannot be recorded respectively, and the ureteral stent urine crystals are precipitated to infect and block and damage the kidney function, but if the urine discharge of the contralateral kidneys is good, the state of an illness is often masked; the urine volume of the ordinary ostomy bag is generally required to be connected to the ostomy bag for rough estimation, and if recording is required, urine cannot be discharged even if the ostomy bag is full, which is inconvenient; and for the test of urine, the latest urine is often needed to meet the test requirement, and the existing fistulization drainage tube does not have the function of storing fresh urine.
Chinese patent documents: CN109646790A discloses a double J-tube structure, which includes a tube body and a detection device fixed on the inner wall of the tube body for detecting the flow rate and concentration of urine in the tube body, the detection device is wirelessly connected to an external terminal to detect the flow rate and concentration of urine, and then output the flow rate signal and concentration signal to the external terminal, the detection device includes a flow rate detector, a concentration detector and a wireless transmission board, which are attached to the inner wall of the tube body, the wireless transmission board is coupled to an analysis server, and the flow rate detector and the concentration detector are both wirelessly connected to the wireless transmission board.
Chinese patent documents: CN208339652U discloses a fistulization bag is collected to dedicated sepage of medical treatment, including fistulization bag main part, internal fixation ware, fistulization bag main part bottom is provided with the fluid-discharge tube, the fluid-discharge tube side is provided with the valve, the fluid-discharge tube next door is provided with supplementary connecting pipe, the inside anti-reflux area that is provided with of fistulization bag main part, fistulization bag main part front surface lower extreme is provided with the drainage tube fixer, the inside seal cover that is provided with of drainage tube fixer, be provided with the sealing plug in the seal cover, fistulization bag main part rear surface upper end is provided with the internal fixation ware, the shaping has a liquid hole in the middle of the internal fixation ware, it is continuous that to go out the inside water absorption that is provided with of liquid hole, it is continuous outside to be provided with the sealing paper to absorb water. The beneficial effects are as follows: the inner accumulated liquid is cleaned quickly, the inner part of the fistulization bag can be cleaned, the cleanness and the sanitation of the fistulization bag are ensured, the wound infection is avoided, the inner accumulated liquid can be used for colon fistulization and can also be used for liquid seepage beside a pipeline, and more accumulated liquid can be stored; it does not involve the function of individual statistics of the flow of each pipe and therefore does not solve the above-mentioned problems.
In view of the above, there is a need for a nephroureterostomy urine shunt monitoring system that records urine output of both kidneys, prevents the occurrence of one-sided kidney problems, and stores up-to-date urine.
Disclosure of Invention
The invention aims to provide a nephroureterostomy urine shunt monitoring system which records urine output of bilateral kidneys respectively, prevents the situation that the problem of one side kidney is covered and stores the latest urine.
In order to achieve the purpose, the invention adopts the technical scheme that:
a nephroureterostomy urine shunt monitoring system comprises an ostomy tube, a detection tube and a liquid storage tube, wherein the ostomy tube is of a tubular cavity structure with openings at two ends, one end of the ostomy tube is used for being connected with a nephroureter, and the other end of the ostomy tube is provided with a first connecting part; the detection tube is of a tubular cavity structure with openings at two ends, one end of the detection tube is provided with a second connecting part, and the other end of the detection tube is provided with a third connecting part; the flow monitoring device is arranged in the detection pipe and can be used for monitoring the flow of liquid flowing through the pipe; the liquid storage pipe is of a tubular cavity structure with openings at two ends, and one end of the liquid storage pipe is provided with a fourth connecting part; a liquid storage tank is arranged in the liquid storage pipe, and the liquid storage tank can store liquid flowing out of the pipe; the first connecting portion is detachably connected with the second connecting portion, and the third connecting portion is detachably connected with the fourth connecting portion.
In a preferred embodiment, the fistula catheter has a single J-tube configuration, and the first connecting portion is provided at a straight tube end of the fistula catheter.
As a preferred technical scheme, the flow monitoring device comprises a pressure sensing module, a signal transmission module and a power supply module; the pressure sensing module, the signal transmission module and the power supply module are electrically connected.
As a preferred technical scheme, the pressure sensing module comprises a pressure variable sheet for transmitting an electric signal to the signal transmission module in real time; the analog signal received by the signal transmission module is converted into a digital signal and wirelessly transmitted to external terminal equipment; the power supply module is used for providing power for the pressure sensing module and the signal transmission module.
As a preferred technical solution, the external terminal device is configured to receive and process the signal transmitted by the signal transmission module, and display and update flow information in the pipe.
As a preferred technical scheme, the liquid storage tank is of a cavity structure with an opening at one end, the outer diameter of the liquid storage tank is smaller than the inner diameter of the liquid storage pipe, and the liquid storage tank is fixedly connected with the inner wall of the liquid storage pipe through a plurality of supports.
As a preferable technical solution, when the third connecting portion is connected to the fourth connecting portion, the end of the detection tube is located at the bottom of the cavity of the reservoir.
As a preferred technical solution, the first connecting portion and the second connecting portion, and the third connecting portion and the fourth connecting portion are detachably connected by adopting a threaded connection manner.
The invention has the advantages that:
1. the nephroureterostomy urine shunt monitoring system comprises a detection tube, wherein a flow monitoring device is arranged in the detection tube, can monitor the flow of fluid in the tube, and sends the flow to external terminal equipment through a signal transmission module to process and display information; medical care and related personnel can analyze the function of each kidney according to the flow data.
2. The nephroureterostomy urine shunt monitoring system comprises a liquid storage pipe, wherein a liquid storage tank is arranged in the liquid storage pipe, and part of urine of a patient flowing out of the liquid storage pipe can be collected; and the tail end of the detection tube is positioned at the bottom of the cavity of the liquid storage tank, so that the urine stored in the liquid storage tank can overflow in advance effectively, the urine which is discharged recently is stored in the liquid storage tank, and the function condition of the kidney can be reflected more favorably.
3. The fistulization tube is of a single J-tube structure, has high stability and is not easy to fall off.
4. The fistulation pipe with the detection tube, the detection tube with the stock solution pipe is detachable continuous, makes detection tube and stock solution pipe can be changed or dismantle as required at any time, very big improvement the flexibility.
Drawings
FIG. 1 is a schematic diagram of the components of a nephroureterostomy urine shunt monitoring system of the invention.
FIG. 2 is a cross-sectional view of the detection tube and the liquid storage tube of the nephroureterostomy urine shunt monitoring system of the invention.
Fig. 3 is a schematic diagram of a flow monitoring device module of a nephroureterostomy urine shunt monitoring system according to the present invention.
Fig. 4 is an assembly schematic diagram of a nephroureterostomy urine shunt monitoring system of the invention.
Fig. 5 is a schematic view of a bilateral ureteral unilateral fistulation scene of a nephroureteral fistulation urine shunt monitoring system of the present invention.
Fig. 6 is a cross-sectional view of a reservoir tube of another nephroureterostomy urine shunt monitoring system of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications can be made to the present invention by those skilled in the art after reading the present specification, and these equivalents also fall within the scope of the invention defined by the appended claims.
Reference numerals and components referred to in the drawings are as follows:
1. fistulation tube 2, detection tube 3, liquid storage tube
4. External terminal device 11, first connection part 21, second connection part
22. Third connection 23, flow monitoring device 31, fourth connection
32. Reservoir 33, support 34, first cannula
35. Second sleeve 231, pressure sensing module 232 and signal transmission module
233. Power supply module
Example 1
Please refer to fig. 1; FIG. 1 is a schematic diagram of the components of a nephroureterostomy urine shunt monitoring system of the present invention. A nephroureterostomy urine shunt monitoring system comprises a fistulation tube 1, a detection tube 2 and a liquid storage tube 3; the fistulation tube 1 is of a tubular cavity structure with two open ends and is of a single J-tube structure, a first connecting part 11 is arranged at the straight tube end of the fistulation tube 1, and the first connecting part 11 is of an external thread structure; please refer to fig. 2; fig. 2 is a cross-sectional view of the matching of the detection tube and the liquid storage tube of the nephroureterostomy urine shunt monitoring system of the invention. The detection tube 2 is a tubular cavity structure with openings at two ends, one end of the detection tube is provided with a second connecting part 21, the second connecting part 21 is an internal thread structure matched with the first connecting part 11, the other end of the detection tube is provided with a third connecting part 22 which is also an external thread structure, and the position of the third connecting part 22 is a certain distance away from the tail end of the end part of the third connecting part; a flow monitoring device 23 is arranged in the detection pipe 2; please refer to fig. 3; fig. 3 is a schematic diagram of a flow monitoring device module of a nephroureterostomy urine shunt monitoring system according to the present invention. The flow monitoring device 23 comprises a pressure sensing module 231, a signal transmission module 232 and a power supply module 233 which are electrically connected with each other; see FIG. 2; the pressure sensing module 231 is a slope structure fixed on the inner wall of the detection tube 2, and comprises a pressure variable sheet, wherein the pressure variable sheet is positioned on a slope surface and is used for transmitting the change of the resistance and the electric signal caused by the fluid to the signal transmission module 232 in real time; the signal transmission module 232 is configured to receive the signal transmitted by the pressure sensing module 231, convert the signal into a digital signal, and wirelessly transmit the digital signal to the external terminal device 4; the power module 233 is a storage battery structure and is used for providing power for the pressure sensing module 231 and the signal transmission module 232; the external terminal device 4 is configured to receive and process the signal transmitted by the signal transmission module 232, display and update flow information in the pipe, and may be a mobile terminal, an APP, or the like; the liquid storage tube 3 is a tubular cavity structure with openings at two ends, one end of the liquid storage tube is provided with a fourth connecting part 31, and the fourth connecting part 31 is an internal thread structure matched with the third connecting part 22; the inner diameter of the liquid storage tube 3 is larger than the outer diameter of the detection tube 2, a liquid storage tank 32 for storing partial liquid flowing out of the liquid storage tube is arranged in the liquid storage tube, the liquid storage tank 32 is of a cavity structure with one open end, the outer diameter of the liquid storage tank is smaller than the inner diameter of the liquid storage tube 3, the liquid storage tank is fixedly connected with the inner wall of the liquid storage tube 3 through a plurality of supports 33, and when the third connecting part 22 is connected with the fourth connecting part 31, the tail end of the detection tube 2 is positioned at the bottom of the cavity of the liquid storage tank 32; the first connecting portion 11 is detachably connected to the second connecting portion 21, and the third connecting portion 22 is detachably connected to the fourth connecting portion 31.
Please refer to fig. 4 and 5; fig. 4 is an assembly schematic diagram of a nephroureterostomy urine shunt monitoring system of the invention, and fig. 5 is a bilateral ureteral unilateral fistulation scene schematic diagram of the nephroureterostomy urine shunt monitoring system of the invention. The use mode of the invention is as follows: the nephroureterostomy urine shunt monitoring system is used as a drainage device for ureteroedematous fistulization, the operation implantation mode can be a traditional drainage pipeline implantation mode, and the following operation steps are shown:
1. performing an operation outside the peritoneum by a lower abdominal oblique incision;
2. in the middle-lower segment of the retroperitoneal free ureter, care is taken to preserve the blood supply; the ureter is cut off near the bladder, the far end is ligated by silk thread, the near end is inserted into the fistulation tube 1 of the invention, the bending end is inserted to the renal pelvis, and is fixed;
3. the ureter is pulled out horizontally at the position corresponding to the upper edge of the iliac crest, and the muscle and aponeurosis of the passing part are vertically cut a little along the incision wound edge, but the incision is not suitable to be cut too much so as to avoid abdominal hernia after operation. Fixing the fine silk threads of 3-4 needles on the extraabdominal oblique muscle aponeurosis after penetrating through the ureteral adventitia; suturing subcutaneous and skin incisions;
4. turning over the ureter into nipple type, and sewing with silk thread;
5. if a bilateral ureteral skin stoma is needed, the contralateral side can be performed in the same way. The patient is inconvenient to carry out bilateral stoma, the side with thinner pipe diameter can be pulled to the contralateral side through the sacrum anterior and the posterior of the sigmoid mesentery and is anastomosed with the contralateral ureter at the end side, and then the skin stoma is made;
then, the second connecting part 21 of the detection tube 2 is connected and fastened with the first connecting part 11, the tail end of the other end of the detection tube 2 penetrates into the liquid storage tube 3 to enable the liquid storage tube to reach the bottom of the cavity of the liquid storage tank 32, and the detection tube is connected with the fourth connecting part 31 through the third connecting part 22 on the upper side; the urine in the body of the patient can be led out along with the nephroureterostomy urine shunt monitoring system, because in the process of circulation of the urine, if a barrier is arranged on the circulation path of the urine, the pressure of the urine exerted on the barrier is in a direct proportion relation with the flow speed, when the pressure sensing module 231 monitors the pressure change through the strain gauge and transmits the generated electric signal to the external terminal equipment 4 through the signal transmission module 232, the external terminal equipment 4 carries out calculation processing and displays the flow information of the urine in the detection pipe 2, for the unilateral fistulation of the double ureters, the urinary flow conditions in the ureters can be respectively counted without influencing one fistulation bag, and the external terminal equipment 4 can carry out zero clearing and re-metering on the recorded data; when urine flows into the liquid storage tube 3 through the monitoring tube, the urine is firstly stored into the liquid storage tank 32, when the liquid storage tank 32 is full of urine, the urine overflows from the opening end of the upper end face and flows into the fistulization bag from the tail end of the liquid storage tube 3, and when the urine of a patient needs to be tested, the liquid storage tube 3 can be taken down and inverted, so that the urine stored in the liquid storage tank 32 smoothly flows out; the detection tube 2 and the liquid storage tube 3 can be replaced according to actual needs.
It should be noted that: the fistulation tube 1 is of a single J-tube structure, the bent part of the fistulation tube can be placed in the renal pelvis, and the fistulation tube 1 can be effectively prevented from falling off; the flow monitoring device 23 includes a pressure sensing module 231, a signal transmission module 232, and a power supply module 233, wherein the pressure sensing module 231 can transmit the change of the electrical signal caused by the pressure strain gauge being forced to the external terminal device 4 through the signal transmission module 232, and the power supply module 233 can continuously supply power to the pressure sensing module 231 and the power supply module 233 to monitor the flow information in the monitoring pipe in real time; the external terminal equipment 4 processes the received signals by utilizing the principle that the pressure applied to the obstacle by the urine is in direct proportion to the flow rate, and updates and displays the flow information in each detection pipe 2; a liquid storage tank 32 is arranged in the liquid storage pipe 3, and liquid flowing out of the pipe can be stored for assay monitoring; the liquid storage tank 32 is a cavity structure with an opening at one end, the outer diameter of the liquid storage tank is smaller than the inner diameter of the liquid storage pipe 3, the liquid storage tank is fixedly connected with the inner wall of the liquid storage pipe 3 through a plurality of brackets 33, so that retention of a small part of urine can be realized, and overflowed urine can flow into the ostomy bag through gaps among the brackets 33; when the third connecting part 22 is connected with the fourth connecting part 31, the tail end of the detection tube 2 is positioned at the bottom of the cavity of the liquid storage tank 32, so that the previously stored urine can overflow in advance, the recently discharged urine is stored in the liquid storage tank 32, and the test result of the urine can reflect the function condition of the kidney; the first connecting part 11 and the second connecting part 21, and the third connecting part 22 and the fourth connecting part 31 are detachably connected in a threaded connection manner, so that the detection tube 2 and the liquid storage tube 3 can be replaced or detached in time conveniently; according to the invention, after the operation of unilateral fistulization of the bilateral ureter, the urination amount of bilateral kidneys can be respectively recorded, the condition that unilateral kidney problems are masked is prevented, and the urine for testing can be taken out and used conveniently due to the arrangement of the detection tube 2 and the detection groove.
Example 2
Please refer to fig. 6; fig. 6 is a cross-sectional view of the liquid storage pipe of another nephroureterostomy urine shunt monitoring system of the invention. This embodiment is substantially the same as embodiment 1, except that the reservoir 3 comprises a first sleeve 34 and a second sleeve 35, the first sleeve 34 and the second sleeve 35 are detachably connected by threads, the fourth connecting portion 31 is disposed on the first sleeve 34, the reservoir 32 is fixed inside the second sleeve 35, and an open end of the reservoir 32 is flush with an upper end opening of the second sleeve 35. It should be noted that the two-section arrangement of the liquid storage tube 3 does not affect the practical efficiency of the present invention, and the detachable connection structure is arranged at the liquid storage tank 32, so that the urine can be taken and tested more conveniently.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (1)
1. A nephroureterostomy urine shunt monitoring system is characterized by comprising an ostomy tube, a detection tube and a liquid storage tube, wherein the ostomy tube is of a tubular cavity structure with openings at two ends, one end of the ostomy tube is used for being connected with a nephroureter, and the other end of the ostomy tube is provided with a first connecting part; the fistulation tube is of a single J-tube structure, and the first connecting part is arranged at the straight tube end of the fistulation tube; the detection tube is of a tubular cavity structure with openings at two ends, one end of the detection tube is provided with a second connecting part, and the other end of the detection tube is provided with a third connecting part; the flow monitoring device is arranged in the detection pipe and can be used for monitoring the flow of liquid flowing through the pipe; the flow monitoring device comprises a pressure sensing module, a signal transmission module and a power supply module; the pressure sensing module, the signal transmission module and the power supply module are electrically connected; the pressure sensing module comprises a pressure variable sheet and is used for transmitting an electric signal to the signal transmission module in real time; the analog signals received by the signal transmission module are converted into digital signals and wirelessly transmitted to external terminal equipment; the external terminal equipment is used for receiving and processing the signal transmitted by the signal transmission module, displaying and updating the flow information in the pipe; the power supply module is used for providing power for the pressure sensing module and the signal transmission module; the liquid storage pipe is of a tubular cavity structure with openings at two ends, and one end of the liquid storage pipe is provided with a fourth connecting part; a liquid storage tank is arranged in the liquid storage pipe, and the liquid storage tank can store liquid flowing out of the pipe; the liquid storage tank is of a cavity structure with an opening at one end, the outer diameter of the liquid storage tank is smaller than the inner diameter of the liquid storage pipe, and the liquid storage tank is fixedly connected with the inner wall of the liquid storage pipe through a plurality of supports; the first connecting part is detachably connected with the second connecting part, and the third connecting part is detachably connected with the fourth connecting part; when the third connecting part is connected with the fourth connecting part, the tail end of the detection tube is positioned at the bottom of the cavity of the liquid storage tank; the first connecting part and the second connecting part, the third connecting part and the fourth connecting part are detachably connected in a threaded connection mode.
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| CN202010339451.3A CN111494728B (en) | 2020-04-26 | 2020-04-26 | Nephroureterostomy urine shunting monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE39457E1 (en) * | 1991-04-18 | 2007-01-02 | Lamina, Inc. | Liquid specimen container and attachable testing modules |
| IT1273343B (en) * | 1994-02-25 | 1997-07-08 | Productes Clinics Sa | DIFFERENTIATED DISCHARGE VALVE FOR URINOMETER |
| US20080197024A1 (en) * | 2003-12-05 | 2008-08-21 | Dexcom, Inc. | Analyte sensor |
| US9039652B2 (en) * | 2011-02-16 | 2015-05-26 | Sequana Medical Ag | Apparatus and methods for treating intracorporeal fluid accumulation |
| US8815099B1 (en) * | 2014-01-21 | 2014-08-26 | Laurimed, Llc | Devices and methods for filtering and/or collecting tissue |
| US20150320357A1 (en) * | 2014-02-20 | 2015-11-12 | GraftWorx, LLC | Methods for assessing fluid flow through a conduit |
| US9726013B2 (en) * | 2014-10-30 | 2017-08-08 | Kent Cordry | No purge sampler |
| EP3273864B1 (en) * | 2015-03-25 | 2023-06-14 | Oruba Medikal Teknoloji Arge Ic ve Dis Tic. Ltd. Sti. | Urine specimen collection system |
| AU2018216821B2 (en) * | 2017-01-31 | 2020-05-07 | Purewick Corporation | Apparatus and methods for receiving discharged urine |
| CN207401003U (en) * | 2017-03-21 | 2018-05-25 | 上海市第一人民医院 | A kind of ureter bracket |
| CN109200346A (en) * | 2017-06-29 | 2019-01-15 | 上海氪励铵勤科技发展有限公司 | drainage system |
| WO2019038732A1 (en) * | 2017-08-25 | 2019-02-28 | Strataca Systems Limited | Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion |
| CN108143430A (en) * | 2018-01-16 | 2018-06-12 | 温州医科大学附属第医院 | A kind of automatic record urination diary and the Split portable recording device and on-line monitoring system of uroflow urination |
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