CN114521991A - Bladder distributing valve - Google Patents

Abstract

The invention discloses a bladder flow distribution valve which comprises a valve body coated on the outer wall of a bladder, a valve core arranged on the valve body and used for enabling a ureter to be normally opened and a urethral orifice to be normally closed, and a driving mechanism capable of changing the state of the valve core and enabling the ureter to be closed and the urethral orifice to be opened. The invention can realize the on-off linkage of the urethral orifice and the ureter orifice, simulate the state that the urethral orifice and the ureter orifice are opened and closed in a normal human body, and prevent urine from flowing back from the bladder to the kidney during urination.

Description

Bladder distributing valve

Technical Field

The invention relates to the technical field of medical instruments, in particular to a bladder distributing valve.

Background

Neurogenic bladder is a common frequently-occurring disease, and can occur in any age and sex, the causes of the neurogenic bladder are usually spinal cord trauma, congenital dysplasia, central nervous system pathological changes and the like, and the neurogenic bladder is often accompanied by symptoms such as urinary incontinence caused by weak sphincter, ureter reflux and urination failure caused by weak detrusor muscle, urine retention and the like. Urinary incontinence can lead to complications such as perineal and sacrococcal dermatitis and pressure ulcers. The urinary bladder urine flows back to the kidney through the ureter, and the urinary bladder urine can cause kidney infection, even cause kidney failure and the like. For patients with severe urinary incontinence and ureteral reflux, conservative treatment, surgical treatment, physical care, psychological care and other measures are generally adopted clinically, but the problem is difficult to solve from the source of the disease due to poor curative effect, so that the development of the bladder distributing valve with the functions of the artificial urethral sphincter and the ureteral sphincter is of great practical significance from the engineering viewpoint.

Chinese patent publication No. CN110270008A discloses a magnetic control urethral valve, which comprises a valve body, wherein the valve body is movably connected with a valve core, the valve body is connected with a first member, the first member and the valve core are magnetically connected, and the first member and the valve core are arranged at two sides of the urethra; the positioning mechanism comprises a base body and a second member in sliding connection with the base body, the second member is connected with the valve core through a connecting piece, the second member is matched with a third member, and the second member is magnetically connected with the third member. The invention adopts the external magnetic control urination, so that the opening and closing time of the urethral valve can be adjusted by a patient according to the self condition, the closing time of the urethra is shortened, and the necrosis phenomenon of the urethra caused by long-term improper compression is effectively reduced.

However, the above scheme can only realize the opening and closing control of the urethra, and cannot synchronously coordinate and control the opening and closing of the ureter. However, the normal one-way valve at the junction of the ureter and the bladder only allows urine to flow from the ureter to the bladder, but does not allow urine to flow back from the bladder to the ureter. When in urination, the urethral orifice is opened, and the ureter orifice is closed, which accords with the normal urine storage and excretion mechanism of human body.

Disclosure of Invention

The invention aims to overcome the defect that the opening and closing of a urethral canal and a ureter cannot be synchronously coordinated and controlled in the prior art, and provides a bladder flow distribution valve. The invention can realize the opening and closing linkage of the urethral orifice and the ureter orifice, simulate the state that the urethral orifice and the ureter orifice are opened and closed in a normal human body, and prevent urine from flowing back from the bladder to the kidney during urination.

The purpose of the invention can be achieved by adopting the following technical scheme:

a bladder flow distribution valve comprises a valve body coated on the outer wall of a bladder, a valve core arranged on the valve body and used for enabling a ureter to be normally open and a urethral orifice to be normally closed, and a driving mechanism capable of changing the state of the valve core to enable the ureter to be closed and the urethral orifice to be opened.

When the bladder stores urine in a normal human body, the urethral orifice is normally closed and the ureter is normally open; during urination, the urethral opening is opened and the ureter is closed. In an unactivated state, the valve core enables the ureter to be normally opened and the urethral orifice to be normally closed, and the contraction force of the sphincter muscle of the urethra is replaced. When urination is needed, the driving mechanism is started, so that the valve core moves to close the ureter and open the urethral orifice, and normal urination is simulated. After urination is finished, the driving mechanism is closed, the valve core is reset, and the state that the urine conveying pipe is normally opened and the urethral orifice is normally closed is restored.

The ureter in the human body is positioned above the urethral orifice, the valve core can be a rod-shaped or sheet-shaped part or other parts which are arranged on the valve body and can move up and down and can not influence the function realization, and the valve core is positioned below the valve body to press and close the urethral orifice in an unactivated state. When urination is needed, the valve core rises under the action of the driving mechanism to open the urethral orifice and close the ureter. The driving mechanism can be electrically driven or can be driven by magnets which are arranged inside and outside the body and matched with each other, and comprises a lever with one end connected with the valve core, the other end of the lever is connected with the magnets, and the lever can be a permanent magnet or other magnetic elements. The driving mechanism can also be other structures such as a gear, a rack and the like which can apply force to the valve core to cause elastic deformation of the valve core.

The structure of the valve core, the transmission mechanism and the power mechanism does not influence the achievement of the purpose of the invention.

Furthermore, a ureter hole for a ureter on the bladder to pass through and a urethra hole for a urethra on the bladder to pass through are formed in the valve core, the ureter hole is normally open and the urethra hole is normally closed, the joint of the driving mechanism and the valve core is located between the ureter hole and the urethra hole, the joint of the valve core and the driving mechanism can be lifted towards the ureter hole, and the valve core is an elastic element coated on the bladder.

In the actual structure of the human bladder, the ureter and the urethral orifice are both positioned on one side of the bladder close to the back, the ureter is positioned on one side of the bladder close to the head and extends out towards the head, and the urethral orifice is positioned on one side of the bladder close to the feet and extends out towards the feet. The elastic piece can be made of elastic rubber, silica gel and the like, and the elastic material has certain deformation capacity. The valve core is coated at one side of the bladder with the ureter and the urethral orifice, the ureter is provided with a ureter hole for the ureter to pass through, and the urethral orifice is provided with a urethral hole. When the elastic element as the valve core is manufactured, two ureter holes are cut into round holes on the elastic sheet, and a urethra hole is cut into a gap for the urethra to pass through, so that the ureter is opened in the non-working state, and the urethral orifice is closed under the extrusion of the urethra hole. When the valve core needs to work, the transmission mechanism is only driven to pull the part between the ureter hole and the urethra hole on the valve core towards the ureter hole, under the property of the elastic material of the valve core, the pulled urethra hole is changed into a hole from a gap, the extruded ureter hole can be extruded into a flat gap from the round hole, and the conversion from the opening of the ureter hole to the closing of the ureter hole to the opening of the ureter hole is realized. After urination is finished, the force applied to the valve core is removed, so that the valve core made of the elastic material can be restored to the original state, namely, the ureter hole is opened and the urethra hole is closed. When the valve core is placed in a body, the valve core is cut into three parts from the hole of the urethra and the hole of the ureter, the urethra is placed in the hole of the urethra, the ureter is placed in the hole of the ureter, and then the valve core is bonded by adhesive. This allows the valve cartridge to be installed without damaging the urethra and ureters. The shape, structure and material of elastic component can be multiple, for example the material can be rubber, plastics, even metal, for example shape and structure can be cylindrical, circular thin slice, triangle-shaped thin slice, and wherein triangle-shaped can also be reulox triangle-shaped etc. do not all influence the realization of this scheme.

Further, the elastic piece is an elastic sheet. The elastic sheet can be customized according to the actual shape of the bladder of a patient, so that the elastic sheet can be more attached to the outer wall of the bladder.

Furthermore, the elastic sheet is in a spherical triangle shape, and three angles of the elastic sheet are respectively fixed on the valve body.

When viewed from the back of a human body, a triangle can be positioned at three positions of the two ureters and the urethral orifice, and the elastic sheet can be in a shape of a triangle or an approximate triangle wrapping the two ureters and the urethral orifice, such as a Lurocco triangle or a triangle with three inwards concave circular arcs. Compared with a circular or other shape, the triangular or triangle-like elastic piece can reduce the weight, so that the whole structure is lighter, and meanwhile, the valve core is designed to be triangular, so that the valve core can be driven to generate larger deformation by using smaller force, and the maximum deformation is concentrated at the hole position.

Furthermore, the driving mechanism comprises a transmission rod for applying force to the valve core to drive the valve core to generate elastic deformation, and a magnetic driving mechanism connected with the other end of the transmission rod and used for driving the transmission rod to move, wherein the transmission rod is movably connected with the valve body. One end of the transmission rod is connected to the valve core, the connection position is located between the ureter hole and the urethra hole, and the connection position can be pulled and lifted towards the ureter hole when the valve core works. The transmission rod can be in various shapes, such as a straight lever or a bent lever with a fulcrum positioned on the valve body and capable of prying up the joint, or a V-shaped rod positioned on the movement direction of the joint and capable of lifting up the joint, and the like, and the realization of the scheme is not influenced. The transmission rod can be fixedly connected with the valve core or movably connected with the valve core, and during movable connection, a through hole can be formed in the valve core, the size of the through hole is larger than the thickness of the transmission rod, and the transmission rod penetrates through the through hole to be connected with the valve core.

Furthermore, the magnetic driving mechanism comprises a magnetic conduction block arranged at the other end of the transmission rod and a permanent magnet which is positioned outside the body and can attract the magnetic conduction block to move when being close to the magnetic conduction block.

Compared with urethral valves which adopt ultrasonic vaporization drive, wireless energy transmission or need to be implanted with internal batteries and the like, the magnetic drive can obviously simplify the devices inside and outside the body, improve the practicability, simultaneously do not need to store energy, have high safety and quick system response.

Furthermore, the transmission rod is an annular lever sleeved on the valve body, a through hole for the annular lever to pass through is formed in the side wall of the valve core, the annular lever is located on one side of the valve core and inserted into the through hole, the other side of the annular lever is fixedly connected with the magnetic conduction block, the annular lever is hinged with the valve body, and the hinged portion of the annular lever and the valve body is located between the connecting end of the annular rod and the valve core and the connecting end of the annular rod and the magnetic conduction block.

The valve body and the valve core are both in a structure of wrapping the outer wall of the bladder, the motion close to the abdomen can be transmitted to the valve core close to the back by using the annular lever, and the annular lever is sleeved on the bracket, so that the whole structure is compact, the integration degree is high, and the parts arranged at all positions in the body are prevented from falling off or breaking down. The hinge joint part can be closer to the valve core, so that the annular lever is a labor-saving lever.

Furthermore, the diameter of the through hole is larger than the thickness of the annular lever, and the annular lever is movably connected with the through hole.

When the transmission rod applies force to the valve core, the annular lever and the through hole have relative movement and adjustment, and unnecessary deformation generated when the annular lever is directly and fixedly connected with the valve core is avoided. Meanwhile, the joint of the annular lever and the valve core penetrates through the side face of the valve core and is transversely arranged between the ureter hole and the urethra hole, and the horizontal plane where the joint of the annular lever and the valve core is located is parallel to the connecting line of the two ureter holes, so that the force applied to the valve core is more average.

Furthermore, a limiting boss is arranged below the magnetic conduction block on the valve body.

The limiting boss can limit the rotation angle of the annular lever around the hinge point of the annular lever, and the excessive descending of the end of the annular lever connected with the magnetic conduction block is avoided, so that the end of the annular lever connected with the valve core is excessively lifted to damage the ureter.

Furthermore, the part of the annular lever, which is positioned on the valve core, is fixedly connected with the inner surface or the outer surface of the valve core, and the joint of the annular lever and the valve core is positioned between the urine channel hole and the ureter hole.

The annular lever is transversely and fixedly connected with the middle of the valve core, the wire connection is more stable, the force application performance is more uniform when the valve core is lifted, and the opening of the urine channel hole and the closing of the urine conveying pipe hole are ensured.

Furthermore, the magnetic driving mechanism comprises a magnetic conduction block arranged at the other end of the transmission rod and an external controller for controlling the electromagnet to attract the magnetic conduction block.

Furthermore, the valve body is made of a non-magnetic rigid material, and the valve core is made of rubber. The valve body and the valve core are made of materials with good biocompatibility, and meanwhile, the density is low but the strength is enough, so that the burden on a human body is reduced as much as possible.

Further, the valve body is fixed on the pubis. The valve body is partially ellipsoidal.

Compared with the prior art, the invention has the beneficial effects that:

(1) the opening and closing linkage of the urethral orifice and the ureter orifice can be realized, the opening and closing states of the urethral orifice and the ureter orifice in a normal human body are simulated, the state is consistent with the coordinated joint control mechanism of the urethra and the ureter sphincter of the human body, and the urine is prevented from flowing back from the bladder to the kidney during urination.

(2) The opening and closing of two ureters and a urethral orifice are simultaneously controlled by using the sheet-shaped elastic rubber valve core element, so that the structure of the part implanted into a body can be greatly simplified, and the mechanical damage caused by the fact that rigid materials such as magnets or springs directly clamp the ureters and the urethra is avoided.

(3) The opening and closing of the two ureters and the urethral orifice are controlled by using the annular lever, the magnetic conduction block and the external permanent magnet, energy storage is not needed, the safety is high, and the system response is rapid;

(4) simple structure, the integration degree is high, reduces the part and drops, trouble or the risk of being corroded, and the dependability is high.

(5) When the invention is implanted into the body, the urethra and the ureter do not need to be opened, and the invention is coated on the outer wall of the bladder, thereby avoiding tissue trauma and infection of the urinary system.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is another schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 3 is a schematic view showing the structure of closing the urethral orifice and opening the ureteral orifice in example 1 of the present invention.

Fig. 4 is a schematic structural view of the urethral orifice opening and the ureteral orifice closing according to example 1 of the present invention.

Fig. 5 is a perspective view of embodiment 2 of the present invention.

Fig. 6 is another perspective structural view of embodiment 2 of the present invention.

The graphic symbols are illustrated as follows:

1-valve core, 2-annular lever, 3-valve body, 4-magnetic conduction block, 5-permanent magnet, 6-pubis, 7-ureter hole, 8-urethral hole, 9-limit boss, 10-bent rod, 11-straight rod and 12-spring.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 1 to 4, a bladder flow distribution valve comprises a valve body 3 coated on the outer wall of a bladder, a valve core 1 arranged on the valve body 3 to make a ureter normally open and a urethral orifice normally closed, and a driving mechanism capable of changing the state of the valve core 1 to make the ureter closed and the urethral orifice open.

When the bladder stores urine in the normal human body, the urethral orifice is normally closed and the ureter is normally open; when urination occurs, the urethral orifice is opened and the ureteral orifice is closed. Under the state of not starting, the valve core 1 enables the ureter orifice to be normally opened and the urethral orifice to be normally closed, so as to replace the power of the urethral sphincter. When urination is needed, the driving mechanism is started, so that the valve core 1 moves to close the ureter and open the urethral orifice, and normal urination is simulated. After the urination is finished, the driving mechanism is closed, the valve core 1 is reset, and the state that the ureter is normally open and the urethral orifice is normally closed is restored.

The ureter in the human body is positioned above the urethral orifice, the valve core 1 can be a rod-shaped or sheet-shaped or other parts which are arranged on the valve body 3 and can move up and down and can not influence the function realization, and the valve core 1 is positioned below and presses the urethral orifice to be closed in an unactivated state. When urination is needed, the valve core 1 rises under the action of the driving mechanism to open the urethral orifice and close the ureter. The driving mechanism can be driven in various ways, and in the embodiment, the driving mechanism is driven magnetically.

As shown in fig. 1 to 4, a ureter hole 7 for passing a ureter on a bladder and a urethra hole 8 for passing a urethra orifice on the bladder are formed in the valve core 1, the ureter hole 7 is normally open and the urethra hole 8 is normally closed, the connection position of the driving mechanism and the valve core 1 is located between the ureter hole 7 and the urethra hole 8, the connection position of the valve core 1 and the driving mechanism can be lifted towards the ureter hole 7, and the valve core 1 is an elastic element coated on a bladder.

In the actual structure of the human urinary bladder, the ureter and the urethral orifice are both positioned on one side of the urinary bladder close to the back, the ureter is positioned on one side of the urinary bladder close to the head and extends out towards the head, and the urethral orifice is positioned on one side of the urinary bladder close to the feet and extends out towards the feet. The elastic piece can be made of elastic rubber, silica gel and the like, and the elastic material has certain deformation capacity. The valve core 1 is coated on one side of the bladder with the ureter and the urethral orifice, a ureter hole 7 for the ureter to pass through is arranged at the ureter, and a urethral hole 8 is arranged at the urethral orifice. The elastic element as the valve cartridge 1 is manufactured in such a way that two ureter holes 7 are cut into the elastic sheet as round holes, and a urethral hole 8 is cut into a slit for the urethra to pass through, so that in the non-operating state the ureters are open and the urethral orifice is closed by the pressure of the urethral hole 8. When the valve core 1 needs to work, the part between the urine conveying pipe hole 7 and the urethra hole 8 on the valve core 1 is pulled towards the urine conveying pipe hole 7 through the transmission mechanism, under the property of the elastic material of the valve core 1, the pulled urethra hole 8 is changed into a hole from a gap, the extruded urine conveying pipe hole 7 is extruded into a flat gap from a round hole, and the conversion from opening the urine conveying pipe hole 7, closing the urethra hole 8 to closing the urine conveying pipe hole 7 and opening the urethra hole 8 is realized. After urination is completed, the force applied to the valve core 1 is removed, so that the valve core 1 made of the elastic material is restored to the original state, namely, the ureter hole 7 is opened and the urethral hole 8 is closed. When the valve core 1 is placed in a body, the valve core 1 is cut into three parts from the urethral hole 8 and the ureter hole 7, the urethra is placed in the urethral hole 8, the ureter is placed in the ureter hole 7, and the valve core 1 is bonded by adhesive. This allows the valve cartridge 1 to be installed without damaging the urethra and ureters.

As shown in fig. 1 to 4, the elastic member is an elastic sheet. The elastic sheet can be customized according to the actual shape of the bladder of a patient, so that the elastic sheet can be more attached to the outer wall of the bladder.

As shown in fig. 1 to 4, the elastic piece is shaped like a spherical triangle, and three corners of the elastic piece are respectively fixed on the valve body 3. As shown in fig. 4, a triangle can be located at three positions of two ureters and a urethral orifice when viewed from the back of the human body, and in this embodiment, the elastic sheet has a shape similar to a reuleaux triangle. Compared with a circular or other shape, the triangular or triangle-like elastic piece can reduce the weight, so that the whole structure is lighter, and meanwhile, the valve core 1 is designed to be triangular, can be driven to generate larger deformation by using smaller force, and concentrates the maximum deformation at a hole position.

As shown in fig. 1 to 4, the driving mechanism includes a transmission rod for applying force to the valve core 1 to drive the valve core 1 to generate elastic deformation, and a magnetic driving mechanism connected to the other end of the transmission rod for driving the transmission rod to move, and the transmission rod is movably connected to the valve body 3. One end of the transmission rod is connected to the valve core 1, the connection position is located between the ureter hole 7 and the urine channel hole 8, and the connection position can be pulled and lifted towards the ureter hole 7 when the device works. The transmission rod can be fixedly connected with the valve core 1 or movably connected with the valve core, and the transmission rod is movably connected with the valve core. A through hole can be formed in the valve core 1, the size of the through hole is larger than the thickness of the transmission rod, and the transmission rod penetrates through the through hole to be connected with the valve core 1.

As shown in fig. 1 to 4, the magnetic driving mechanism includes a magnetic block 4 disposed at the other end of the transmission rod, and a permanent magnet 5 located outside the body and capable of attracting the magnetic body to move when approaching the magnetic block 4.

The attractive force of the magnetic conduction block 4 and the permanent magnet 5 can enable the transmission rod to move, and compared with the urethral valve which adopts ultrasonic vaporization driving, wireless energy transmission or needs to be implanted into a body and the like, the urethral valve adopts magnetic driving to obviously simplify the internal and external devices, improve the practicability, simultaneously does not need to store energy, has high safety and quick system response.

As shown in fig. 1 to 4, the transmission rod is an annular lever 2 sleeved on the valve body 3, a through hole through which the annular lever 2 passes is formed in a side wall of the valve core 1, one side of the annular lever 2, which is located on the valve core 1, is inserted into the through hole, the other side of the annular lever 2 is fixedly connected with the magnetic conductive block 4, the annular lever 2 is hinged to the valve body 3, and a hinged portion of the annular lever 2 and the valve body 3 is located between a connection end of the annular rod and the valve core 1 and a connection end of the annular rod and the magnetic conductive block 4.

One side of the bladder, which is provided with the urethral orifice and the ureter, in the human body structure is close to the back, and the abdomen facing the front is a position which is easy for a patient to operate, the valve body 3 and the valve core 1 are both in a structure of coating the outer wall of the bladder, the motion close to the abdomen can be transmitted to the valve core 1 close to the back by using the annular lever 2, and the annular lever 2 is sleeved on the bladder, so that the whole invention has a compact structure and high integration degree, and the parts arranged in various places in the body are prevented from falling off or breaking down. The hinge point can be closer to the valve core 1, so that the annular lever 2 is a labor-saving lever.

As shown in fig. 1 to 4, the diameter of the through hole is larger than the thickness of the ring-shaped lever 2, and the ring-shaped lever 2 is movably connected with the through hole.

When the transmission rod applies force to the valve core 1, a relative movement adjusting room is left between the annular lever 2 and the through hole, and unnecessary deformation generated when the annular lever 2 is directly and fixedly connected with the valve core 1 is avoided. Meanwhile, the joint of the annular lever 2 and the valve core 1 penetrates through the side face of the valve core 1 and is transversely arranged between the urine conveying pipe hole 7 and the urine channel hole 8, and the horizontal plane of the joint of the annular lever 2 and the valve core 1 is parallel to the connecting line of the two urine conveying pipe holes 7, so that the force applied to the valve core 1 is more average.

As shown in fig. 1 to 4, a limiting boss 9 is arranged below the magnetic conduction block 4 on the valve body 3.

The limiting boss 9 can limit the rotation angle of the annular lever 2 around the hinge point of the annular lever, and the excessive descending of the end, connected with the magnetic conduction block 4, of the annular lever 2 is avoided, so that the ureter is damaged due to the excessive lifting of the end, connected with the valve core 1, of the annular lever 2.

As shown in fig. 1 to 4, the portion of the annular lever 2 located on the valve core 1 is fixedly connected with the inner surface or the outer surface of the valve core 1, and the connection position of the annular lever 2 and the valve core 1 is located between the urine channel hole 8 and the ureter hole 7.

Annular lever 2 and the horizontal fixed connection in case 1 middle part, the line connection is more firm, and application of force can be more even when lifting up case 1 simultaneously, guarantees that urethral orifice 8 can open and ureter hole 7 can be closed.

As shown in fig. 1 to 4, the valve body 3 is made of a non-magnetic rigid material, and the valve element 1 is made of rubber. The valve body 3 and the valve core 1 are made of materials with good biocompatibility, and meanwhile, the density is low but the strength is enough, so that the burden on a human body is reduced as much as possible.

As shown in fig. 1 to 4, the valve body 3 is fixed to the pubic bone 6. The valve body 3 is partially ellipsoidal.

The working principle of the invention is as follows: in the urine storage stage of the bladder, when the outer permanent magnet 5 is not close to the lower abdominal front wall, the magnetic conduction block 4 does not generate magnetic attraction, the annular lever 2 does not act, the urethral orifice keeps closed under the action of the elastic restoring force of the valve core 1, the ureteral orifice keeps open, urine is conveyed to the bladder through the ureter, and the bladder is gradually filled.

In the stage of micturition of the bladder, when the outer permanent magnet 5 is arranged on the front wall of the lower abdomen, the magnetic conduction block 4 generates magnetic attraction under the action of a magnetic field and acts on the annular lever 2, the annular lever 2 rotates around a hinge point and transmits driving force to the valve core 1 to drive the valve core 1 to move, the urethral orifice is opened, the ureteral orifice is clamped to enable urine in the bladder to be continuously discharged from the urethra and simultaneously prevent urine from flowing back, and the limiting boss 9 on the support can effectively prevent the annular lever 2 from excessively rotating to damage the ureter.

After urination is finished, the outer permanent magnet 5 is moved away from the lower abdomen front wall, the magnetic conduction block 4 is not influenced by magnetic attraction, the annular lever 2 has no driving force, the valve core 1 is reset under the action of self elastic restoring force, the urethral orifice is closed, and the ureteral orifice is opened. The patient can control the storage and the urination by himself or herself as long as the above process is repeated, thereby preventing the urine from flowing back to the kidney.

Example 2

The present embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 5 and 6, the valve core 1 is shaped like a triangle formed by arcs with three inwardly concave sides, and such a structure is lighter as a whole in the case of being able to cover the ureter and the urethral orifice. In this embodiment, the annular lever 2 is fixedly connected with the valve core 1.

Example 3

The present embodiment is similar to embodiment 1, except that in this embodiment, the magnetic driving mechanism includes a magnetic conductive block 4 disposed at the other end of the annular lever 2, an electromagnet disposed on the valve body 3, and an external controller for controlling the electromagnet to attract the magnetic conductive block 4. The permanent magnet located outside the body is replaced by 5 times of electromagnet and an outside body controller. When urination is needed, the controller controls the electromagnet to be electrified to generate magnetism, the magnetic conduction block 4 is attracted to move downwards, and the annular lever 2 rotates around the hinged point, so that the valve core 1 deforms. After urination is finished, the controller controls the electromagnet to be powered off, and the valve core 1 and the annular lever 2 reset.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that other variations and modifications can be made on the basis of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The bladder flow distribution valve is characterized by comprising a valve body (3) coated on the outer wall of a bladder, a valve core (1) arranged on the valve body (3) and used for enabling a ureter to be normally open and a urethral orifice to be normally closed, and a driving mechanism capable of changing the state of the valve core (1) to enable the ureter to be closed and the urethral orifice to be opened.

2. The bladder flow distributing valve according to claim 1, wherein a ureter hole (7) for a ureter on a bladder to pass through and a urethral hole (8) for a urethral orifice on the bladder to pass through are formed in the valve core (1), the ureter hole (7) is normally open and the urethral hole (8) is normally closed, a joint of the driving mechanism and the valve core (1) is located between the ureter hole (7) and the urethral hole (8), the driving mechanism can drive the valve core (1) to move to close the ureter hole (7) and open the urethral hole (8), and the valve core (1) is an elastic member coated on the bladder.

3. The bladder port valve of claim 2 wherein said elastic member is an elastic sheet.

4. The valve according to claim 3, wherein the elastic sheet has a spherical triangular shape, and three corners thereof are fixed to the valve body (3), respectively.

5. The bladder flow distribution valve according to any one of claims 2 to 4, wherein the driving mechanism comprises a transmission rod for applying force to the valve core (1) to drive the valve core (1) to generate elastic deformation, and a magnetic driving mechanism connected with the other end of the transmission rod for driving the transmission rod to move, and the transmission rod is movably connected with the valve body (3).

6. The valve according to claim 5, characterized in that the magnetic driving means comprise a magnetic block (4) placed at the other end of said transmission rod and a permanent magnet (5) placed outside the body and able to attract the movement of the magnetic block (4) when it is in proximity thereto.

7. The bladder flow distribution valve according to claim 6, wherein the transmission rod is an annular lever (2) sleeved on the valve body (3), a through hole for the annular lever (2) to pass through is formed in the side wall of the valve core (1), one side of the annular lever (2) located on the valve core (1) is inserted into the through hole, the other side of the annular lever (2) is fixedly connected with the magnetic conduction block (4), the annular lever (2) is hinged to the valve body (3), and the hinged part of the annular lever (2) and the valve body (3) is located between the connecting end of the annular rod (2) and the valve core (1) and the connecting end of the annular rod (2) and the magnetic conduction block (4).

8. The bladder port valve according to claim 7, wherein the diameter of the through hole is larger than the diameter of the ring-shaped lever (2), and the ring-shaped lever (2) is movably connected with the through hole.

9. The valve according to any of the claims 6 to 8, characterized in that a limit boss (9) is provided on the valve body (3) below the magnetic block (4).

10. The bladder flow distributing valve according to claim 1, wherein the valve body (3) is made of a non-magnetic rigid material, the valve core (1) is made of rubber, and the valve body (3) is fixed on a pubic bone (6).

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