阅读说明：本技术 一种助力排尿器及控制方法 (Power-assisted urination device and control method ) 是由 陈旗新 陈伟杰 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种助力排尿器及控制方法,助力排尿器包括排尿管,排尿管外设有定位气囊；柱塞泵,柱塞泵包括泵体和柱塞,泵体外设有励磁线圈；头部控制器,头部控制器包括传感器、处理器、电源和壳体。本发明通过将柱塞泵与排尿管连接,排尿管通过定位气囊固定在尿道中。头部控制器用于控制柱塞泵的启闭,当需要排尿时,头部控制器控制柱塞泵启动,从而尿液被柱塞泵驱动流经排尿管后流出,可解决膀胱收缩无力适应症患者的问题。另外,由于尿液排出时具有一定的速度,因此尿液能冲刷尿道,保持尿道卫生。又由于排尿管无需延伸至体外,提高了使用者活动的方便性,减少了不适感,并且排尿后尿道可以自然收缩,维持了收缩功能,也降低了感染风险。(The invention discloses a power-assisted urination device and a control method thereof, wherein the power-assisted urination device comprises a urination pipe, and a positioning air bag is arranged outside the urination pipe; the plunger pump comprises a pump body and a plunger, and an excitation coil is arranged outside the pump body; a head controller including a sensor, a processor, a power source, and a housing. The invention connects the plunger pump with the urine tube, and the urine tube is fixed in the urethra by the positioning air bag. The head controller is used for controlling the plunger pump to be opened and closed, and when urination is needed, the head controller controls the plunger pump to be started, so that urine is driven by the plunger pump to flow out after flowing through the urination pipe, and the problem of patients with the symptoms of bladder weakness can be solved. In addition, because the urine has a certain speed when being discharged, the urine can wash the urethra, and the urethra is kept sanitary. And because the urinary catheter does not need to extend to the outside of the body, the convenience of the movement of the user is improved, the uncomfortable feeling is reduced, and the urethra can be naturally contracted after urination, so that the contraction function is maintained, and the infection risk is also reduced.)

1. A power-assisted voiding apparatus, comprising:

the flexible urinary catheter (40), the outside of the urinary catheter (40) is provided with N annular positioning air bags (41), each positioning air bag (41) is arranged at intervals along the axial direction of the urinary catheter (40), the positioning air bags (41) can expand and contract, and N is a positive integer greater than 1;

the plunger pump is connected with an inlet end of a urine discharge pipe (40), and comprises a tubular pump body (31) and at least two permanent-magnet plungers (32), wherein the outer side of the pump body (31) is provided with at least two excitation coils (33) used for driving the plungers (32) along the axial direction, each plunger (32) is respectively in one-to-one correspondence with the excitation coils (33), the plungers (32) are movably installed in the pump body (31) and can move along the axial direction of the pump body (31), the magnetic field directions of the two adjacent plungers (32) are opposite, each plunger (32) is respectively provided with a check valve, and the flow guide directions of the check valves are the same;

the head controller, the head controller passes through neck pipe (20) and is connected with the plunger pump, the lateral wall of neck pipe is equipped with at least one opening, the head controller includes sensor, treater, power and casing (11), treater and power all are located casing (11), the power passes through the treater and is connected with each excitation coil (33) electricity respectively, the treater is connected with the sensor electricity.

2. The power-assisted voiding apparatus of claim 1, wherein: the sensor comprises a bending sensor (12), one end of the bending sensor (12) is electrically connected with the processor, and the other end of the bending sensor (12) can abut against the inner wall of the bladder.

3. The power assisted urinal according to claim 1 or 2, wherein: the sensor comprises a pressure sensor (13), the pressure sensor (13) being arranged outside the housing (11).

4. The power-assisted voiding apparatus of claim 1, wherein: n liquid through ports (42) which are respectively communicated to the positioning air bags (41) are arranged on the inner wall of the urination pipe (40), hydraulic valves are respectively arranged on the liquid through ports (42), the liquid through ports (42) are distributed at intervals along the axial direction of the urination pipe (40), and the connecting line between every two adjacent liquid through ports (42) is not parallel to the axial direction of the urination pipe (40).

5. The power-assisted voiding apparatus of claim 4, wherein: a rigid lining thin tube (43) is arranged in the urination pipe (40), the outer side of the lining thin tube (43) is connected with the inner wall of the urination pipe (40) and covers all the liquid through ports (42), and N pipe through holes which are in one-to-one correspondence with the liquid through ports (42) are formed in the lining thin tube (43).

6. The power-assisted voiding apparatus of claim 1, wherein: the power-assisted urination device further comprises a charging module positioned outside the body, and the charging module can wirelessly charge the power supply.

7. The power-assisted voiding apparatus of claim 1, wherein: the power-assisted urination device also comprises an external remote controller, the external remote controller is electrically connected with the processor and is used for controlling the power supply to supply power to the magnet exciting coil; the external remote controller is provided with a display, and the display is used for displaying the urine volume in the bladder.

8. The power-assisted voiding apparatus of claim 1, wherein: the excitation coil (33) comprises a plurality of winding groups connected in series, each winding group comprises at least one winding, and every two adjacent windings are connected through a lead tap.

9. The power-assisted voiding apparatus of claim 8, wherein: the number of the winding groups in each excitation coil (33) is x, the number of the windings in each excitation coil (33) is x +2, every three adjacent windings are connected in series to form one winding group, and x is a positive integer larger than 1.

10. A power-assisted urination apparatus control method for controlling the power-assisted urination apparatus according to any one of claims 1 to 9, wherein: the time of the single activity cycle of each plunger (32) equals, and the stroke of the single activity cycle of plunger (32) is including the power stroke and the stroke that resets that go on in proper order, the power stroke is the stroke that excitation coil (33) drive plunger (32) removed to liquid outlet end, the stroke that resets is excitation coil (33) drive plunger (32) and removes to the feed liquor end, the time of power stroke is greater than the time of the stroke that resets, there is at least one plunger (32) in the pump body all the time and is doing the power stroke.

Technical Field

The invention relates to a power-assisted urination device and a control method in the technical field of medical instruments.

Background

When the bladder nerve and the bladder muscle of a human body are in dysfunction, mechanical obstruction of an outflow tract occurs, which can cause difficulty in urination or relaxation of the neck of the bladder and even urinary incontinence. Therefore, as early as 1600 years ago, Sun Simiao was recorded in the book Qian jin Yao Fang, and the term "legend" of urination was induced by spring onion during anuresis; in 1860, doctors in Naledun, France invented rubber catheters, and so far we had catheters with double cavities, three cavities, silica gel, rubber, super-lubricity, antibacterial and the like to relieve urination disorders.

With the increase of the average life span of human beings, the requirements of people on living quality are improved, and the problem of urination disturbance is more and more emphasized, such as the patients with prostatic hyperplasia, neurogenic bladder disease, urethral stricture reconstruction, urinary incontinence and the like in the elderly, the unconscious patients, some patients in final care and the like all need better equipment and medical treatment. However, most of the existing catheterizations are simple mechanical drainage, and refer to the anti-backflow catheter disclosed in chinese patent CN207980155U, the tail of the catheter extends out of the urinary catheter, which is easy to cause infection and injury in the medical management after operation, and cause a humanized self-inferior in the aspect of human care, and is inconvenient to carry in human social activities.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art and provides a power-assisted urination device and a control method, which can reduce the damage to a human body.

According to an embodiment of the first aspect of the invention, a power-assisted urination apparatus is provided, which comprises a flexible urination pipe, wherein the outer side of the urination pipe is provided with N annular positioning air bags, the positioning air bags are arranged at intervals along the axial direction of the urination pipe, the positioning air bags can expand and contract, and N is a positive integer greater than 1; the plunger pump is connected with the inlet end of the urine discharge pipe and comprises a tubular pump body and at least two permanent magnetic plungers, at least two excitation coils for driving the plungers are arranged on the outer side of the pump body along the axial direction, the plungers are respectively in one-to-one correspondence with the excitation coils, the plungers are movably mounted in the pump body and can move along the axial direction of the pump body, the magnetic field directions of the two adjacent plungers are opposite, check valves are respectively arranged on the plungers, the flow guide directions of the check valves are the same, and the check valves all point to the urine discharge pipe; the head controller, the head controller passes through the neck pipe and is connected with the plunger pump, the lateral wall of neck pipe is equipped with at least one opening, the head controller includes sensor, treater, power and casing, treater and power all are located the casing, the power passes through the treater and is connected with each excitation coil electricity respectively, the treater is connected with the sensor electricity.

According to an embodiment of the first aspect of the present invention, further, the sensor comprises a bending sensor, one end of the bending sensor is electrically connected with the processor, and the other end of the bending sensor can abut against the inner wall of the bladder.

According to an embodiment of the first aspect of the present invention, further, the sensor includes a pressure sensor, and the pressure sensor is disposed outside the housing.

According to the embodiment of the first aspect of the present invention, further, the inner wall of the urination tube is provided with N liquid passing ports respectively communicated to the positioning air bags, each liquid passing port is provided with a hydraulic valve, the liquid passing ports are distributed at intervals along the axial direction of the urination tube, and a connecting line between two adjacent liquid passing ports is not parallel to the axial direction of the urination tube.

According to the embodiment of the first aspect of the present invention, a rigid thin lining tube is arranged in the urinary catheter, the outer side of the thin lining tube is connected with the inner wall of the urinary catheter and covers all the liquid through ports, and N tube through holes respectively corresponding to the liquid through ports are arranged on the thin lining tube.

According to an embodiment of the first aspect of the present invention, further, the outer diameter of the positioning airbag closest to the head controller is larger than the outer diameter of the positioning airbag.

According to an embodiment of the first aspect of the present invention, further, the power-assisted urination apparatus further includes a charging module located outside the body, and the charging module is capable of wirelessly charging the power supply.

According to an embodiment of the first aspect of the present invention, further, the power-assisted urination apparatus further includes an external remote controller, the external remote controller is electrically connected to the processor, and the external remote controller is configured to control the power supply of the power supply to the excitation coil; the external remote controller is provided with a display, and the display is used for displaying the urine volume in the bladder.

According to an embodiment of the first aspect of the present invention, further, the excitation coil includes a plurality of winding groups connected in series, each winding group includes at least one winding, and each two adjacent windings are connected by a lead tap.

According to the embodiment of the first aspect of the present invention, further, the number of the winding groups in each excitation winding is x, the number of the windings in each excitation winding is x +2, every three adjacent windings are connected in series to form one winding group, and x is a positive integer greater than 1.

According to a second aspect of the present invention, there is provided a control method of a power-assisted urinal, which is used for controlling the power-assisted urinal, wherein the time of each single active cycle of each plunger is equal, the stroke of each single active cycle of each plunger includes a power stroke and a reset stroke which are sequentially performed, the power stroke is a stroke in which an exciting coil drives the plunger to move towards a liquid outlet end, the reset stroke is a stroke in which the exciting coil drives the plunger to move towards a liquid inlet end, the power stroke is longer than the reset stroke, and at least one plunger performs the power stroke in the pump body all the time.

The invention has the beneficial effects that: according to the invention, the plunger pump is connected with the urine drainage tube, the urine drainage tube is fixed in the urethra through the positioning air bag, and the positioning air bag plays a role in fixing and can also prevent urine from leaking out from a gap between the urethra and the urine drainage device. The head controller is used for controlling the plunger pump to be opened and closed, and when urination is needed, the head controller controls the plunger pump to be started, so that urine is driven by the plunger pump to flow out after flowing through the urination pipe, and the problem of patients with the symptoms of bladder weakness can be solved. In addition, because the urine has a certain speed when being discharged, the urine can wash the urethra, and the urethra is kept sanitary. And because the urinary catheter does not need to extend to the outside of the body, the convenience of the movement of the user is improved, the uncomfortable feeling is reduced, and the urethra can be naturally contracted after urination, so that the contraction function is maintained, and the infection risk is also reduced.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic view of a head controller of an embodiment of the present invention;

FIG. 2 is a schematic view of a neck of an embodiment of the present invention;

FIG. 3 is a schematic illustration of a plunger pump in an embodiment of the invention;

FIG. 4 is a cross-sectional view of a plunger pump in an embodiment of the invention;

FIG. 5 is a schematic view of a urinary catheter in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a urinary catheter in an embodiment of the present invention;

FIG. 7 is a schematic view of an implanter head in an embodiment of the invention;

FIG. 8 is a cross-sectional elevation view of an implanter head in an embodiment of the invention;

FIG. 9 is a top cross-sectional view of an implanter head in an embodiment of the invention;

fig. 10 is an overall structure diagram after the embodiment of the invention is assembled.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.