IP Library Granted Patent US 12667454
Granted Patent B2
US 12667454 · App. 17/778,716 · Granted Jun 30, 2026

Urinary incontinence automatic control system having multi-point alternate switching function, and in-vivo machine thereof

Inventor: Shuangchen Wu (Beijing, CN)
Assignee: Beijing Mikang Medical Technology Co., Ltd.
A61F2/0036A61B17/122A61F5/0059A61F2250/0002
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Quick Facts
Patent No.
US 12667454
App. No.
17/778,716
Granted
Jun 30, 2026
Kind
B2
Abstract

Disclosed are an automatic control system for urinary incontinence with a function of multi-point switching in turn and an intracorporeal apparatus ( 200 ) thereof. The intracorporeal apparatus ( 200 ) is completely implanted in a body. The intracorporeal apparatus ( 200 ) comprises an intracorporeal microcontroller ( 220 ) and urethral blockers ( 230 ), the intracorporeal microcontroller ( 220 ) being configured to control the urethral blockers ( 230 ) to block and unblock the urethra. The intracorporeal apparatus ( 200 ) comprises at least two urethral blockers ( 230 ) provided at different locations on the urethra, i.e., a first urethral blocker ( 230 a ) and a second urethral blocker ( 230 b ), and the intracorporeal microcontroller ( 220 ) is configured to control the at least two urethral blockers ( 230 ) to block and unblock the urethra in turn.

Claims (30)

1 . An intracorporeal apparatus for controlling urinary incontinence, configured to be completely implanted in a body, the intracorporeal apparatus comprising an intracorporeal microcontroller and urethral blockers, the intracorporeal microcontroller being configured to control the urethral blockers to block and unblock a urethra, wherein the intracorporeal apparatus comprises at least two urethral blockers configured to be located at different locations on the urethra, and the intracorporeal microcontroller is configured to control the at least two urethral blockers to block and unblock the urethra in turn;

wherein the intracorporeal apparatus further comprises at least one pump, a solenoid valve set and a reservoir bag, and each of the urethral blockers comprises a C-shaped bag, the intracorporeal microcontroller being electrically connected with the at least one pump and the solenoid valve set, respectively, the reservoir bag being connected with the C-shaped bag through a connecting tube via the at least one pump and the solenoid valve set, and the intracorporeal microcontroller configured to control the at least one pump and the solenoid valve set so as to cause liquid to be filled into and released from the C-shaped bags of the urethral blockers in turn;

wherein the solenoid valve set comprises a master solenoid valve and a plurality of urethral blocker solenoid valves corresponding to each of the urethral blockers respectively, wherein first ends of the plurality of urethral blocker solenoid valves are respectively connected with a liquid inlet and outlet port of the corresponding urethral blockers; second ends of the plurality of urethral blocker solenoid valves are both connected with a first end of the master solenoid valve; a second end of the master solenoid valve is connected with a liquid inlet and outlet port of the reservoir bag; a first end of the at least one pump is connected with the second ends of the plurality of urethral blocker solenoid valves; and a second end of the at least one pump is connected with the liquid inlet and outlet port of the reservoir bag;

wherein the urethral blockers further comprise a support ring located on an outer side of the C-shaped bag, the support ring being configured to open by elastic deformation when a pressure in the support ring is above a threshold;

wherein the support ring comprises a first segment, a second segment, a third segment and a fourth segment that are connected successively, wherein the second segment and the third segment form a C-shaped main body portion of the support ring; the first segment is bent from one end of the second segment in a direction opposite to a bending direction of the second segment; and the fourth segment is bent from one end of the third segment in a direction opposite to a bending direction of the third segment, wherein the first segment and the fourth segment first come close to each other from the end of the second segment and the end of the third segment, respectively, until contact with each other, and then go away from each other.

2 . The intracorporeal apparatus according to claim 1 , wherein the intracorporeal apparatus further comprises a control box, and the at least one pump, the solenoid valve set and the intracorporeal microcontroller are accommodated within the control box.

3 . The intracorporeal apparatus according to claim 1 , wherein the urethral blockers comprise a first urethral blocker and a second urethral blocker, the intracorporeal microcontroller is configured to control the at least one pump and the solenoid valve set so that the C-shaped bag of one of the urethral blockers is filled with liquid each time, and after the filling is completed, liquid in the C-shaped bag of the first urethral blocker filled with liquid is released, and the C-shaped bag of the second urethral blocker filled with liquid is kept in a filled state for a predetermined time.

4 . The intracorporeal apparatus according to claim 1 , wherein the support ring is configured to maintain its shape unchanged or recover its original shape before the elastic deformation when the pressure in the support ring is less than or equal to the threshold.

5 . The intracorporeal apparatus according to claim 1 , wherein the support ring is configured to maintain a constant elastic force during the elastic deformation.

6 . The intracorporeal apparatus according to claim 1 , wherein the support ring is made of a material with a superelastic effect or made of a combination of at least two spring plates.

7 . The intracorporeal apparatus according to claim 6 , wherein the material is a nickel-titanium alloy.

8 . The intracorporeal apparatus according to claim 1 , wherein the reservoir bag is provided with a replenishing liquid injection valve having an elastic puncture surface.

9 . The intracorporeal apparatus according to claim 8 , wherein a needle stopper plate is provided on a side opposite to the elastic puncture surface.

10 . The intracorporeal apparatus according to claim 1 , wherein the intracorporeal microcontroller is configured to control the at least one pump and the solenoid valve set to release all urethral blockers to unblock the urethra if a supply voltage of the intracorporeal apparatus is detected to be abnormal and is still abnormal after a first predetermined time.

11 . The intracorporeal apparatus according to claim 10 , wherein the intracorporeal microcontroller is configured to control the at least one pump and the solenoid valve set to immediately stop filling the urethral blockers with the liquid when an abnormality of the supply voltage is detected.

12 . The intracorporeal apparatus according to claim 10 , wherein the intracorporeal microcontroller is configured to resume control of the at least one pump and the solenoid valve set if an abnormality of the supply voltage is detected and the supply voltage returns to normal after a second predetermined time.

13 . The intracorporeal apparatus according to claim 10 , wherein a power supply circuit of the intracorporeal apparatus further comprises an energy storage element.

14 . The intracorporeal apparatus according to claim 10 , wherein both the master solenoid valve and the plurality of urethral blocker solenoid valves comprise an energy storage capacitor.

15 . The intracorporeal apparatus according to claim 1 , wherein the intracorporeal apparatus further comprises a protection circuit independent of the intracorporeal microcontroller, the protection circuit being triggered to control the at least one pump and the solenoid valve set to release all urethral blockers to unblock the urethra if a signal received by the intracorporeal apparatus from outside of the body is at a low potential for more than a set time.

16 . The intracorporeal apparatus according to claim 1 , wherein a pressure sensor is provided between the C-shaped bag and the support ring.

17 . The intracorporeal apparatus according to claim 16 , wherein the intracorporeal microcontroller is electrically connected with the pressure sensor to collect a pressure detection value detected by the pressure sensor in real time, and when the pressure detection value exceeds a maximum pressure set value, the intracorporeal microcontroller controls the at least one pump and the solenoid valve set to release the corresponding one of the urethral blockers to unblock the urethra.

18 . The intracorporeal apparatus according to claim 16 , wherein the intracorporeal microcontroller is electrically connected with the pressure sensor to collect a pressure detection value detected by the pressure sensor in real time, and when the pressure detection value in one of the urethral blockers in a filled state is less than a minimum pressure set value, the intracorporeal microcontroller controls the at least one pump and the solenoid valve set to fill the C-shaped bag of the one of the urethral blockers in the filled state with the liquid.

19 . The intracorporeal apparatus according to claim 1 , wherein the at least one pump has a flow rate of 3 mL/min-40 mL/min, and the at least one pump has pressure intensity of 5-120 kPa.

20 . The intracorporeal apparatus according to claim 1 , wherein the intracorporeal apparatus further comprises an intracorporeal wireless transmission module, the intracorporeal microcontroller being electrically connected with the intracorporeal wireless transmission module, the intracorporeal wireless transmission module is configured to obtain electric energy wirelessly from outside of the body and configured for bidirectional wireless communication with an extracorporeal wireless transmission module that is outside of the body, and the extracorporeal wireless transmission module and the intracorporeal wireless transmission module are capable of the bidirectional wireless communication with each other to transmit information.

21 . An automatic control system for urinary incontinence with a function of multi-point switching in turn, the automatic control system for urinary incontinence comprising an extracorporeal apparatus adapted to be located outside the body and the intracorporeal apparatus according to claim 1 .

22 . The automatic control system for urinary incontinence according to claim 21 , wherein the extracorporeal apparatus comprises an extracorporeal wireless transmission module, an extracorporeal microcontroller, and a power module, the power module being configured to supply power to the extracorporeal wireless transmission module and the extracorporeal microcontroller, the extracorporeal microcontroller being electrically connected with the extracorporeal wireless transmission module, wherein the extracorporeal wireless transmission module is wirelessly coupled with an intracorporeal wireless transmission module, and the extracorporeal wireless transmission module is configured to transmit electric energy to the intracorporeal wireless transmission module, and the extracorporeal wireless transmission module and the intracorporeal wireless transmission module are capable of bidirectional wireless communication with each other.

23 . The automatic control system for urinary incontinence according to claim 21 , wherein the extracorporeal apparatus further comprises a display and control module, which is electrically connected with an extracorporeal microcontroller to display operation information of the automatic control system for urinary incontinence and to input operating commands and parameters.

24 . The automatic control system for urinary incontinence according to claim 23 , wherein the display and control module comprises a touch screen.

25 . The automatic control system for urinary incontinence according to claim 21 , wherein the extracorporeal apparatus further comprises an alarm module, which is electrically connected with an extracorporeal microcontroller to emit an alarm signal indicating system abnormality to a user.

26 . The automatic control system for urinary incontinence according to claim 21 , wherein the extracorporeal apparatus further comprises a Bluetooth® communication module and/or a WIFI module, the Bluetooth® communication module and/or the WIFI module being configured to be capable of communicating with a cloud server or a mobile terminal.