A flexible rope type bladder flow control valve

Abstract

The present invention belongs to the technical field of medical devices, and particularly relates to a flexible rope-type bladder flow control valve, which comprises a valve body coated on the outer wall of the bladder, a urine drainage slot opened in the valve body for the upper ureter of the bladder to pass through, a urethral slot for the upper urethra of the bladder to pass through, a plurality of elastic valve cores with a hollow interior and respectively corresponding to and connected to each urine drainage slot and each urethral slot, and a driving assembly installed on the valve body and connected to each elastic valve core. The driving assembly is used to apply a force to the elastic valve core to cause it to contract and clamp the internal ureter or urethra. Controlling the ureter to be normally open and the urethra to be normally closed can assist the bladder in controlling urination, and controlling the ureter to be closed and the urethra to be opened can prevent urine reflux, more realistically simulating the urine storage and urination processes of the human body; the elastic valve cores at the ureter and the urethra are controlled separately, improving the closing effect on the ureter and the urethra, and the deformation effect of the elastic valve core is more convenient to control.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a flexible rope type bladder distribution valve. Background Art

[0002] The causes of neurogenic bladder are often caused by spinal cord trauma, congenital dysplasia and central nervous system diseases, and are often accompanied by symptoms such as urinary incontinence and ureteral reflux caused by sphincter weakness, and weak urination and urinary retention caused by detrusor weakness. Urinary incontinence can lead to complications such as perineal and sacrococcygeal dermatitis and pressure ulcers. Bladder urine refluxes through the ureter to the kidneys, which can cause kidney infection and kidney damage, and even lead to renal failure. For patients with severe urinary incontinence and ureteral reflux, conservative treatment, surgical treatment, physical care, psychological care and other measures are usually adopted clinically, but it is difficult to solve the problem from the source due to poor efficacy. Therefore, from an engineering perspective, it is of great practical significance to develop a bladder distribution valve with artificial urethral sphincter and ureteral sphincter functions.

[0003] The Chinese patent discloses a bladder distribution valve, including a valve body coated on the outer wall of the bladder, a valve core arranged on the valve body so that the ureter is normally open and the urethral opening is normally closed, and a driving mechanism capable of changing the state of the valve core so that the ureter is closed and the urethral opening is opened. The valve core is provided with a ureteral hole for the ureter on the bladder to pass through, and a urethral hole for the urethra on the bladder to pass through, the ureteral hole is normally open and the urethral hole is normally closed, the connection between the driving mechanism and the valve core is located between the ureteral hole and the urethral hole, and the connection between the valve core and the driving mechanism can be lifted toward the ureteral hole, and the valve core is an elastic member coated on the bladder.

[0004] However, in the above scheme, since the valve core is configured as a spherical silicone or rubber covering the bladder, and the ureteral hole and urethral hole for the ureter and urethral opening to pass through are opened on the valve core, when the driving element drives the valve core to move, it is easy to cause the valve core to arch or deflect, and the deformation effect is difficult to ensure. Moreover, most of the energy of the driving element is not used to compress and close the ureter, but is converted into the deformation potential energy of the material, resulting in the ureteral compression and closing effect is not ideal, and cannot meet the patient's urination control needs. Summary of the invention

[0005] The purpose of the present invention is to provide a flexible rope type bladder distribution valve, which can accurately open and close the ureter and urethra, improve the pressure closing effect of the ureter and urethra, and solve the problem that the deformation effect of the valve core is difficult to control.

[0006] The present invention is implemented as follows: A flexible rope-type bladder distribution valve, comprising: a valve body wrapped around the outer wall of the bladder, a urine drainage slot opening formed in the valve body for the upper ureter of the bladder to pass through, and a urethral slot opening for the upper urethra of the bladder to pass through, a plurality of elastic valve cores with a hollow interior and corresponding to each of the urine drainage slot openings and each of the urethral slot openings in a one-to-one manner, and a driving assembly installed on the valve body and connected to each of the elastic valve cores, the driving assembly being used to apply a force to the elastic valve core to cause it to contract and clamp the internal ureter or urethra, so as to control the ureter to be normally open and the urethra to be normally closed, or the ureteral orifice to be closed and the urethra to be opened.

[0007] The flexible rope-type bladder distribution valve of the present invention is provided with a valve body for facilitating wrapping around the outer wall of the human bladder. Since the loss of the patient's urination function generally manifests as ureteral reflux or urinary incontinence caused by sphincter weakness, a urine drainage slot opening and a urethral slot opening are formed on the valve body and elastic valve cores are installed, which can respectively wrap the ureter and the urethra, and the driving assembly is used to drive the elastic valve core to contract or recover, so as to respectively achieve precise opening and closing of the ureter and the urethra. Controlling the ureter to be normally open and the urethra to be normally closed can assist the bladder in controlling urination, and controlling the ureteral orifice to be closed and the urethra to be opened can prevent urine reflux, more realistically simulating the urine storage and urination processes of the human body; the elastic valve cores at the ureter and the urethra are respectively controlled, improving the pressing and closing effects of the ureter and the urethra, and the deformation effect of the elastic valve core is more convenient to control, and the reliability of the urine storage and urination processes is higher. In addition, the elastic valve core has good biocompatibility and better meets the physical needs of the patient.

[0008] Preferably, the driving assembly includes: a plurality of flexible rope groups corresponding to each of the elastic valve cores and wound around the outside of the elastic valve core, a transmission rod movably installed on the valve body and having one end connected to the flexible rope group, and a driving unit connected to the other end of the transmission rod for driving the transmission rod to move, the transmission rod being used to drive the flexible rope group to apply a force to the elastic valve core to cause it to contract or recover.

[0009] Preferably, the flexible rope group includes: a first traction member and a second traction member with one end cross-connected through the outside of the elastic valve core, a support module fixed on the valve body and corresponding to the elastic valve core and connected to the end of the first traction member away from the elastic valve core, and the end of the second traction member away from the elastic valve core is connected to the transmission rod.

[0010] Preferably, the support module includes: a support frame fixed on the valve body, two through holes formed inside the support frame for the first traction member to pass through, and a limit hook fixed on the valve body, the limit hook being located beside the support frame and used for buckling the first traction member.

[0011] Preferably, the transmission rod is arranged as an annular rod rotatably installed on the valve body, and a winding member through which the second traction member passes is fixedly provided on the transmission rod.

[0012] Preferably, the driving unit includes: an abutting member fixedly provided at one end of the transmission rod away from the flexible rope group, a limiting member fixed to the valve body and arranged opposite to the abutting member, an SMA spring with both ends fixedly connected to the abutting member and the limiting member, an enameled wire wound outside the SMA spring, a receiving coil arranged inside the body and connected in series with the enameled wire, and an external driving module arranged outside the body and used to control the expansion and contraction of the SMA spring. When the SMA spring is in a compressed state, the transmission rod tightens the corresponding flexible rope group of the urethra and relaxes the corresponding flexible rope group of the ureter to achieve that the ureter is always open and the urethra is always closed; when the SMA spring is in a stretched state, the transmission rod tightens the corresponding flexible rope group of the ureter and relaxes the corresponding flexible rope group of the urethra to achieve that the ureter is closed and the urethra is opened.

[0013] Preferably, the external driving module includes: a signal generator for outputting high-frequency electrical signals, a power amplifier electrically connected to the signal generator, and a transmitting coil for generating a magnetic field.

[0014] Preferably, the ureteral slot openings are arranged at the top of the valve body and the number is two, and the urethral slot openings are arranged at the bottom of the valve body and the number is one.

[0015] Preferably, the elastic valve core is arranged as a cylindrical elastic tube with a hollow interior, and the inner diameter of the elastic valve core is larger than the outer diameters of the ureter and the urethra.

[0016] Preferably, the valve body can be fixedly installed on the human pubis and the material is titanium alloy, and the material of the elastic valve core is medical silicone rubber.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. By opening ureteral slot openings and urethral slot openings on the valve body and installing an elastic valve core, the ureter and the urethra can be respectively covered, and the driving assembly is used to drive the elastic valve core to contract or recover, so as to control that the ureter is always open and the urethra is always closed to assist the bladder in controlling urination, and control that the ureter is closed and the urethra is opened to prevent urine reflux, more realistically simulating the urine storage and urination processes of the human body; and because the elastic valve cores at the ureteral part and the urethral part are controlled respectively, the opening and closing of the ureter and the urethra can be accurately controlled, improving the pressing and closing effects of the ureter and the urethra, and the deformation effect of the elastic valve core is more convenient to control.

[0019] 2. Using the self-elastic force of the elastic valve core to control the shape recovery of the urethra and the ureter, the elastic valve core can play a protective role for soft tissues, has good biocompatibility, can reduce the discomfort of patients, and improve the comfort of patients.

[0020] 3. By using a flexible rope with good biocompatibility with the human body, the elastic valve core can be tightened and restored more precisely, with higher control accuracy and higher reliability during the processes of urine transportation and urination. By using magnetic coupling resonance to convert magnetic energy into electrical energy and then converting it into heat energy through enameled wire to be transmitted to the SMA spring to control its deformation, thereby driving the movement of the flexible rope group to achieve precise opening and closing of the ureter and urethra, the control process is simpler and more precise, and has less impact on the human body, which can meet the daily needs of patients. Description of the Drawings

[0021] Figure 1 A three-dimensional structure diagram of a flexible rope type bladder flow distribution valve provided by the present invention;

[0022] Figure 2 A front structure schematic diagram of a flexible rope type bladder flow distribution valve provided by the present invention;

[0023] Figure 3 is Figure 1 A partial enlarged view at A in

[0024] Figure 4 A side structure view of a flexible rope type bladder flow distribution valve provided by the present invention;

[0025] Figure 5 is Figure 4 A partial enlarged view at B in

[0026] Figure 6 A front structure view of a flexible rope type bladder flow distribution valve during urine storage provided by the present invention;

[0027] Figure 7 A front structure view of a flexible rope type bladder flow distribution valve during urination provided by the present invention.

[0028] In the drawings: 1 - valve body, 2 - drive assembly, 21 - flexible rope group, 211 - first traction member, 212 - second traction member, 22 - transmission rod, 23 - drive unit, 231 - abutting member, 232 - limiting member, 233 - SMA spring, 234 - enameled wire, 24 - winding member, 3 - elastic valve core, 4 - support module, 41 - support frame, 42 - through hole, 43 - limiting hook, 5 - urine transportation slot, 6 - urethral slot. Detailed Embodiments

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will further describe the specific technical solutions of the present application in detail with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application but are not used to limit the scope of the present application.

[0030] In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0031] In addition, in the embodiments of the present application, orientation terms such as "upper", "lower", "left", and "right" are defined relative to the orientation in which the components in the drawings are schematically placed. It should be understood that these directional terms are relative concepts, which are used for relative description and clarification and may change accordingly with the change of the orientation in which the components in the drawings are placed.

[0032] In the embodiments of the present application, unless otherwise clearly defined and limited, the term "connection" should be understood in a broad sense. For example, "connection" may be a fixed connection, a detachable connection, or an integral body; it may be directly connected or indirectly connected through an intermediate medium.

[0033] In the embodiments of the present application, the term "comprise", "include" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising such element.

[0034] In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, illustration or explanation. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0035] Embodiment 1

[0036] As Figures 1-5As shown in the figure, it is a structural diagram of a flexible rope-type bladder flow distribution valve provided by the present invention, including: a valve body 1 wrapped around the outer wall of the bladder, a urine drainage slot 5 opened in the valve body 1 for the upper ureter of the bladder to pass through, and a urethral slot 6 for the upper urethra of the bladder to pass through, a plurality of elastic valve cores 3 with a hollow interior and corresponding to each of the urine drainage slots 5 and each of the urethral slots 6 in a one-to-one manner, and a driving assembly 2 installed on the valve body 1 and connected to each of the elastic valve cores 3. The driving assembly 2 is used to apply a force to the elastic valve core 3 to cause it to contract and clamp the internal ureter or urethra, so as to control the ureter to be normally open and the urethra to be normally closed, or the ureteral orifice to be closed and the urethra to be opened.

[0037] In actual application of this embodiment, by setting the valve body 1, it is convenient to wrap it around the outer wall of the human bladder. Since the loss of the patient's urination function is generally manifested as ureteral reflux or urinary incontinence caused by sphincter weakness, a urine drainage slot 5 and a urethral slot 6 are opened on the valve body 1 and the elastic valve core 3 is installed, which can respectively wrap the ureter and the urethra, and the driving assembly 2 is used to drive the elastic valve core 3 to contract or recover, so as to respectively realize the precise opening and closing of the ureter and the urethra. Controlling the ureter to be normally open and the urethra to be normally closed can assist the bladder in controlling urination, and controlling the ureteral orifice to be closed and the urethra to be opened can prevent urine reflux, more realistically simulating the urine storage and urination processes of the human body; the elastic valve cores 3 at the ureter and the urethra are respectively controlled, improving the pressing and closing effects of the ureter and the urethra. The deformation effect of the elastic valve core 3 is more convenient to control, and the reliability of the urine storage and urination processes is higher. In addition, the elastic valve core 3 has good biocompatibility and better meets the physical needs of the patient.

[0038] Specifically, the driving assembly 2 includes: a plurality of flexible rope groups 21 corresponding to each of the elastic valve cores 3 and wound around the outside of the elastic valve core 3, a transmission rod 22 movably installed on the valve body 1 and having one end connected to the flexible rope group 21, and a driving unit 23 connected to the other end of the transmission rod 22 for driving the transmission rod 22 to move. The transmission rod 22 is used to drive the flexible rope group 21 to apply a force to the elastic valve core 3 to cause it to contract or recover.

[0039] It can be known that by using a plurality of flexible rope groups 21 corresponding to each elastic valve core 3, each elastic valve core 3 can be precisely controlled to realize the opening and closing of the ureter and the urethra; the driving module is used to drive the transmission rod 22 to move, so as to drive the flexible rope group 21 wound around the elastic valve core 3 to clamp or loosen the elastic valve core 3, and further open or close the internal ureter or urethra.

[0040] In addition, the circumferential contraction force generated by the flexible rope group 21 is used to control the closing of the elastic valve cores 3 at the urethra and the ureter. The reliability of the control process is higher, the structure is more compact, and the reliability of the control process is improved.

[0041] It should be noted that the inside of the elastic valve core 3 is hollow and can allow the urethra and ureter to pass through. The elastic force of the elastic valve core 3 itself is used to control the shape recovery of the urethra and ureter. The elastic valve core 3 can play a protective role for soft tissues, has good biocompatibility, can reduce the discomfort of patients, and improve the comfort of patients.

[0042] Furthermore, the flexible rope group 21 includes: a first traction member 211 and a second traction member 212 whose one ends are cross-connected outside the elastic valve core 3. The end of the first traction member 211 away from the elastic valve core 3 is connected to a support module 4 fixed on the valve body 1 and arranged corresponding to the elastic valve core 3. The end of the second traction member 212 away from the elastic valve core 3 is connected to the transmission rod 22.

[0043] It can be known that the flexible rope group 21 is set as the first traction member 211 and the second traction member 212 cross-connected outside the elastic valve core 3, which is convenient for the first traction member 211 and the second traction member 212 to tighten and clamp the elastic valve core 3 under the drive of the transmission rod 22. The support unit is used to facilitate the pulling of one end of the first traction member 211 to ensure the smooth progress of the pulling adjustment process.

[0044] Furthermore, the support module 4 includes: a support frame 41 fixed on the valve body 1, two through holes 42 opened inside the support frame 41 for the first traction member 211 to pass through, and a limit hook 43 fixed on the valve body 1. The limit hook 43 is located beside the support frame 41 and is used to hook the first traction member 211.

[0045] Exemplarily, the first traction member 211 and the second traction member 212 can be two flexible ropes adapted to the human body, and the two flexible ropes cross around the side of an elastic valve core 3. One end of the first traction member 211 is hooked on the limit hook 43, and the other end is wound around the outside of the elastic valve core 3. One end of the second traction member 212 is wound around the outside of the elastic valve core 3, and the other end is connected to the transmission rod 22. Thus, the two flexible ropes can be tightened or relaxed by the transmission rod 22, and the force generated by the circumferential contraction after tightening can close the elastic valve core 3, and then close the ureter or urethra.

[0046] Exemplarily, in this embodiment, the flexible rope generally selects materials with good biocompatibility, smoothness, wear resistance and low elastic modulus. The surgical suture can achieve the characteristics of thin wire and large tensile force, small reaction to human tissues, small friction coefficient, etc., and can be used as the flexible rope material; of course, the flexible rope material can also adopt other materials that meet the mechanical and biocompatibility requirements, as long as the implementation of this bladder flow control valve is not affected. This embodiment does not make specific limitations here.

[0047] In actual operation of this embodiment, the driving unit 23 can be used to control the transmission rod 22 to pull the flexible rope group 21 under normal conditions to open the elastic valve core 3 on the ureter, while closing the elastic valve core 3 on the urethra, thereby realizing that the ureter is always open and the urethra is always closed; when urination is required, the driving unit 23 is used to pull the flexible rope group 21 to control the elastic valve core 3 on the ureter to close, while the elastic valve core 3 on the urethra is opened, thereby realizing that the ureteral orifice is closed and the urethra is opened, ensuring that urine will not flow back to the kidneys while urinating.

[0048] Embodiment 2

[0049] As Figure 4 and Figure 5 shown, on the basis of Embodiment 1, the driving unit 23 includes: an abutting member 231 fixed to one end of the transmission rod 22 away from the flexible rope group 21, a limiting member 232 fixed to the valve body 1 and disposed opposite to the abutting member 231, an SMA spring 233 with both ends fixedly connected to the abutting member 231 and the limiting member 232, an enameled wire 234 wound around the outside of the SMA spring 233, a receiving coil disposed in the body and connected in series with the enameled wire 234, and an external driving module disposed outside the body and used to control the expansion and contraction of the SMA spring 233. When the SMA spring 233 is in a compressed state, the transmission rod 22 tightens the corresponding flexible rope group 21 of the urethra and relaxes the corresponding flexible rope group 21 of the ureter to realize that the ureter is always open and the urethra is always closed; when the SMA spring 233 is in a stretched state, the transmission rod 22 tightens the corresponding flexible rope group 21 of the ureter and relaxes the corresponding flexible rope group 21 of the urethra to realize that the ureter is closed and the urethra is opened.

[0050] In actual application of this embodiment, using the compressed state of the SMA spring 233 under normal temperature conditions, the transmission rod 22 can be pulled to tighten the flexible rope group 21 corresponding to the urethra, thereby realizing the tightening of the urethra to prevent urine leakage of the patient; when urination is required, the external driving module disposed outside the body is used to drive the expansion and contraction of the SMA spring 233, and under the action of the limiting member 232, the transmission rod 22 is driven to rotate, thereby driving the flexible rope group 21 to tighten the flexible rope group 21 corresponding to the ureter and loosen the flexible rope group 21 corresponding to the urethra to realize the urination action. The closure of the ureter also avoids the burden on the kidneys caused by urine reflux, and different urination and urine storage purposes can be achieved.

[0051] Exemplarily, the abutting member 231 can be a housing or a fixing plate fixed on the transmission rod 22, and the limiting member 232 can be a limiting boss or a fixing seat fixed on the side of the valve body 1. Of course, it can also be other shaped support structures, and specific limitations are not made in this embodiment.

[0052] Specifically, the external drive module includes: a signal generator for outputting high-frequency electrical signals, a power amplifier electrically connected to the signal generator, and an emission coil for generating a magnetic field.

[0053] It can be known that a signal generator disposed outside the body outputs high-frequency electrical signals, and then a power amplifier amplifies the signals. After that, an emission coil generates a magnetic field outside the body. At this time, a receiving coil inside the human body converts magnetic energy into electrical energy and transmits the electrical energy to the enameled wire 234. The enameled wire 234 converts the electrical energy into heat energy and transmits it to the SMA spring 233, so as to realize the temperature rise and elongation of the SMA spring 233, drive the transmission rod 22 to rotate to realize the urination action.

[0054] Exemplarily, the enameled wire 234 can be set as a copper wire inside and coated with insulating paint outside. Thus, when an electric current passes through the copper wire, heat is generated by the Joule effect, causing the SMA spring 233 to rise in temperature and deform; the receiving coil can be installed inside the human abdomen, and specifically can be set as a magnetic coupling resonance type wireless power transmission coil to realize energy transmission.

[0055] Specifically, when urination is over, the external drive module outside the body is turned off, the SMA spring 233 cools down and compresses, thereby driving the transmission rod 22 to reset and clamping the elastic valve core 3 at the urethra position through the flexible rope group 21. The flexible rope group 21 at the ureter position becomes slack, thereby opening the elastic valve core 3 at the ureter position to realize the urine storage function.

[0056] In one case of this embodiment, the operating temperature of the SMA spring 233 is generally 36 - 40 degrees Celsius. During actual adjustment, the SMA spring 233 starts to elongate from 36 degrees Celsius. Its specific temperature phase change range is related to the nature of the driving element used. As long as the driving performance can be satisfied and the compatibility with the human body can be ensured, this embodiment does not make specific limitations here.

[0057] It should be noted that in addition to adopting the telescopic structure of the SMA spring 233 described above for the driving module in this embodiment, a permanent magnet outside the body and a magnetic conduction block fixed at the end of the transmission rod 22 inside the body can also be used. Therefore, the driving module in this embodiment is not a restrictive regulation.

[0058] Embodiment 3

[0059] As Figures 1-5 shown, on the basis of Embodiment 1 and Embodiment 2, the urine conveying trough openings 5 are provided at the top of the valve body 1 and the number is two, and the urethra trough openings 6 are provided at the bottom of the valve body 1 and the number is one.

[0060] It should be noted that the number of the ureter slots 5 and the urethra slots 6 can be selected according to needs. According to the tissue conditions of the human body, generally two ureter slots 5 and one urethra slot 6 are provided, and elastic valve cores 3 are installed inside each slot. The number of slots in this embodiment is not a restrictive regulation. In addition, the two ureter slots 5 are arranged at the top of the valve body 1, and the urethra slot 6 is arranged at the bottom of the valve body 1, and the connection lines of the three form a triangle, imitating the distribution positions of the two ureters and one urethra of the human bladder, and adapting to the human tissue mechanism.

[0061] Specifically, the elastic valve core 3 is arranged as a cylindrical elastic tube with a hollow interior, and the inner diameter of the elastic valve core 3 is larger than the outer diameters of the ureter and the urethra. By setting the elastic valve core 3 as a cylindrical elastic tube with a hollow interior, it is convenient for the flexible rope group 21 to tighten or loosen it. An opening is arranged inside the elastic valve core 3, which also facilitates the ureter and the urethra to pass through.

[0062] Furthermore, the transmission rod 22 is arranged as a ring-shaped rod rotatably installed on the valve body 1, and the transmission rod 22 is fixedly provided with a winding member 24 for the second traction member 212 to pass through. Setting the transmission rod 22 as a ring-shaped rod can cooperate with the valve body 1 to realize the pulling of multiple flexible rope groups 21. By providing the winding member 24, it is convenient for the first traction member 211 to pass through, ensuring the smooth progress of the adjustment process and avoiding dislocation. The transmission rod 22 is located on the surface of the valve body 1, leaving a space surplus, so that the movement of the transmission rod 22 will not contact the valve body 1.

[0063] Even further, the valve body 1 can be fixedly installed on the human pubis and is made of titanium alloy, and the elastic valve core 3 is made of medical silicone rubber. Of course, the valve body 1 and the elastic valve core 3 can also be made of other materials, as long as they are compatible with the human body and meet the urine discharge operation of the bladder. The materials in this embodiment are not restrictive regulations.

[0064] It should be noted that the shape of the valve body 1 can be set according to the shape of the human bladder to imitate and cover the outside of the human bladder. Exemplarily, the overall shape of the valve body 1 can be set as a spherical shape, and one side of the valve body 1 is provided with an end opening for providing an installation space for the SMA spring 233. At the same time, the setting of this end opening also takes into account that the valve body 1 may come into partial contact with the human abdominal wall, so a part of the curved surface is cut. In addition, side openings are also provided on both sides of the valve body 1, mainly for the convenience of assembling the valve body 1. Using these side openings can facilitate the installation of the locking fittings.

[0065] In addition, the valve body 1 is mainly used to wrap the bladder, and its specific shape can be customized according to the patient's bladder. In addition, it can be fixed to the pubic symphysis by bone screws through a fixing plate. Its material can be titanium alloy or other non-magnetic rigid materials. No specific limitation is made in this embodiment.

[0066] Exemplarily, the winding member 24 can be a fixing ring fixed on the transmission rod 22, and its shape can be circular or arc-shaped, as long as it can achieve the threading of the second traction member 212. No specific limitation is made in this embodiment.

[0067] The following is an explanation of the specific operation process of the present invention:

[0068] First, as Figure 6 shown, during the bladder urine storage stage: the SMA spring 233 is in a normal temperature compressed state, the transmission rod 22 is in an initial position far from the urethra, and the elastic valve core 3 at the urethra is kept closed under the circumferential contraction force of the flexible rope group 21, while the elastic valve core 3 at the ureter is kept open;

[0069] Second, as Figure 7 shown, during the bladder urination stage: the patient uses an external driving module outside the body to generate a magnetic field. The enameled wire 234 converts magnetic energy into electrical energy through magnetic coupling resonance and transmits it to the SMA spring 233. The SMA spring in the high-temperature phase elongates, and the transmission rod 22 moves towards the position close to the urethra. The flexible rope group 21 on the surface of the elastic valve core 3 at the urethra relaxes, and the circumferential contraction force disappears. The elastic valve core 3 gradually opens the urethra due to its self-restoring force. When the opening degree of the elastic valve core 3 at the urethra reaches a certain level, the urethra can be opened. At the same time, the valve core at the ureter is closed due to the circumferential contraction force generated by the flexible rope group 21 being tightened, so that the urine in the bladder is continuously discharged from the urethra and urine reflux is prevented at the same time.

[0070] Finally, when urination is over, the external driving module stops working, the SMA spring 233 cools down, the transmission rod 22 returns to the initial position far from the urethra, the urethra is tightened and closed again, and the ureter opens. Thus, as long as the patient repeats the above process, they can control urination by themselves and at the same time do not need to worry about urine reflux to the kidneys.

[0071] In the above embodiments of the present invention, a flexible rope-type bladder flow distribution valve is provided. By arranging the valve body 1 to be easily wrapped around the outer wall of the human bladder, since the lack of urination function in patients generally manifests as urinary incontinence caused by ureteral reflux or sphincter weakness, a ureteral slot 5 and a urethral slot 6 are opened on the valve body 1 and an elastic valve core 3 is installed, which can respectively wrap the ureter and the urethra, and the driving assembly 2 is used to drive the elastic valve core 3 to contract or recover, so that the precise opening and closing of the ureter and the urethra can be respectively realized. Controlling the ureter to be normally open and the urethra to be normally closed can assist the bladder in controlling urination, and controlling the ureteral orifice to be closed and the urethra to be opened can prevent urine reflux, more realistically simulating the urine storage and urination processes of the human body; the elastic valve cores 3 at the ureter and the urethra are respectively controlled, improving the pressing and closing effects of the ureter and the urethra, and the deformation effect of the elastic valve core 3 is more convenient to control, and the reliability of the urine storage and urination processes is higher. In addition, the elastic valve core 3 has good biocompatibility and better meets the physical needs of patients.

[0072] The serial numbers of the above embodiments of the present application are only for description and do not represent the advantages and disadvantages of the embodiments. The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, is equally included in the patent protection scope of the present application.

Claims

1. A flexible rope type bladder flow distribution valve, characterized in that, Comprising: A valve body (1) wrapped around the outer wall of the bladder, a ureteral groove opening (5) formed in the valve body (1) for the upper ureter of the bladder to pass through, and a urethral groove opening (6) for the upper urethra of the bladder to pass through, a plurality of elastic valve cores (3) with a hollow interior and corresponding to and connected to each of the ureteral groove openings (5) and each of the urethral groove openings (6) one by one, and a driving assembly (2) installed on the valve body (1) and connected to each of the elastic valve cores (3). The driving assembly (2) is used to apply a force to the elastic valve core (3) to cause it to contract and clamp the internal ureter or urethra, so as to control the ureter to be normally open and the urethra to be normally closed, or the ureter to be closed and the urethra to be opened. The driving assembly (2) includes: a plurality of flexible rope groups (21) corresponding to each of the elastic valve cores (3) one by one and wound around the outside of the elastic valve core (3), a transmission rod (22) movably installed on the valve body (1) and having one end connected to the flexible rope group (21), and a driving unit (23) connected to the other end of the transmission rod (22) for driving the transmission rod (22) to move. The transmission rod (22) is used to drive the flexible rope group (21) to apply a force to the elastic valve core (3) to cause it to contract or recover. The flexible rope group (21) includes: a first traction member (211) and a second traction member (212) with one end cross-connected through the outside of the elastic valve core (3). The end of the first traction member (211) away from the elastic valve core (3) is connected to a support module (4) fixed on the valve body (1) and arranged corresponding to the elastic valve core (3). The end of the second traction member (212) away from the elastic valve core (3) is connected to the transmission rod (22).

2. The flexible rope type bladder flow distribution valve according to claim 1, characterized in that The support module (4) includes: a support frame (41) fixed on the valve body (1), two through holes (42) formed inside the support frame (41) for the first traction member (211) to pass through, and a limit hook (43) fixed on the valve body (1). The limit hook (43) is located beside the support frame (41) and is used to hook the first traction member (211).

3. The flexible rope type bladder flow distribution valve according to claim 1, characterized in that, The transmission rod (22) is arranged as an annular rod rotatably installed on the valve body (1), and a winding member (24) for the second traction member (212) to pass through is fixed on the transmission rod (22).

4. A flexible rope type bladder flow distribution valve according to any one of claims 1-3, characterized in that, The driving unit (23) includes: an abutting member (231) fixedly provided at one end of the transmission rod (22) away from the flexible rope group (21), a limiting member (232) fixed to the valve body (1) and disposed opposite to the abutting member (231), an SMA spring (233) with both ends fixedly connected to the abutting member (231) and the limiting member (232), an enameled wire (234) wound around the outside of the SMA spring (233), a receiving coil disposed inside the body and connected in series with the enameled wire (234), and an external driving module disposed outside the body and used to control the expansion and contraction of the SMA spring (233). When the SMA spring (233) is in a compressed state, the transmission rod (22) tightens the corresponding flexible rope group (21) of the urethra and relaxes the corresponding flexible rope group (21) of the ureter to achieve that the ureter is always open and the urethra is always closed; when the SMA spring (233) is in a stretched state, the transmission rod (22) tightens the corresponding flexible rope group (21) of the ureter and relaxes the corresponding flexible rope group (21) of the urethra to achieve that the ureter is closed and the urethra is open.

5. The flexible rope type bladder flow distribution valve according to claim 4, characterized in that The external driving module includes: a signal generator for outputting high-frequency electrical signals, a power amplifier electrically connected to the signal generator, and a transmitting coil for generating a magnetic field.

6. The flexible rope type bladder flow distributor valve according to claim 1, characterized in that, The ureteral slots (5) are provided at the top of the valve body (1) and the number is two, and the urethral slots (6) are provided at the bottom of the valve body (1) and the number is one.

7. The flexible rope type bladder flow control valve according to claim 1, wherein The elastic valve core (3) is arranged as a cylindrical elastic tube with a hollow interior, and the inner diameter of the elastic valve core (3) is larger than the outer diameters of the ureter and the urethra.

8. A flexible rope type bladder flow distribution valve according to claim 1, characterized in that, The valve body (1) can be fixedly installed on the pubis of the human body and the material is titanium alloy, and the material of the elastic valve core (3) is medical silicone rubber.

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