CN112773966A

CN112773966A - Bladder irrigation device

Info

Publication number: CN112773966A
Application number: CN202110156556.XA
Authority: CN
Inventors: 王洪福; 张骞; 滕瑞红
Original assignee: Peking University First Hospital
Current assignee: Peking University First Hospital
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-05-11

Abstract

The invention provides a bladder irrigation device, which belongs to the technical field of medical instruments and comprises: one end of the ureter is suitable for being placed into the bladder from the urethra, and the other end of the ureter is connected with the variable-pressure flusher; the variable-pressure flusher is provided with a cavity for containing flushing liquid; the pressure in the cavity can be changed by changing the force application direction and the force application size of the cavity; the bladder irrigation device provided by the invention has the advantages that blood clots in the bladder are broken up and suspended in the bladder, turbulent flow is formed in the bladder through repeated suction, the blood clots and liquid in the turbulent flow are pumped out of the body, and the purpose of removing the blood clots in the bladder is achieved. Provides an effective, new and preferred treatment scheme for the formation of bladder clots and even bladder tamponade.

Description

Bladder irrigation device

Technical Field

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

Background

The bladder irrigation is a method that a catheter is utilized to fill the solution into the bladder and the filled liquid is drained out by using the siphon principle.

Bladder tumor bleeding, bleeding after prostatectomy, prostate bleeding and other diseases often form blood clots in the bladder, and symptoms such as frequent micturition, urgent micturition, dysuria and the like appear, severe patients have urine retention and bladder packing, the bladder packing becomes one of the urgent symptoms of urology surgery, and the physical and mental health of the patients is seriously harmed, even the life is threatened. The existing treatment method is to place the three-cavity urinary catheter, provide a physiological sodium chloride flushing fluid with a flushing port connected with an infusion set or a blood transfusion device, adjust the flushing pressure and speed by adjusting the height of the flushing fluid, gradually melt the blood vessels in the bladder and flush the blood vessels out of the body.

However, for a large blood clot or bladder tamponade, a simple flushing method cannot flush out the large blood clot, and sometimes the blood clot blocks the ureter, and in this case, the blood clot in the bladder needs to be removed under anesthesia, which causes a physical, mental and economic multiple burden on a patient.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects that the blood clot cannot be flushed out by a simple flushing mode for a larger blood clot or bladder filling, and sometimes the blood clot blocks a ureter, in this case, the blood clot in the bladder needs to be cleared under anesthesia, so that physical, mental and economic multiple burdens are caused on a patient, and thus, the bladder flushing device is provided. The invention uses a short-time high-pressure high-speed flushing fluid to break blood clots in the bladder to form small blood clots, makes liquid in the bladder form turbulent flow, and finally sucks the liquid mixed with the blood clots out of the body, thereby achieving the purpose of removing the blood clots in the bladder.

In order to solve the technical problem, the invention provides a bladder irrigation device, which comprises:

one end of the ureter is suitable for being placed into the bladder from the urethra, and the other end of the ureter is connected with the variable-pressure flusher;

the variable-pressure flusher is provided with a cavity for containing flushing liquid; the cavity can change the pressure in the cavity by changing the force application direction and the force application size.

Preferably, the pressure swing flusher includes:

the cylinder is internally provided with a cavity with one open end; the front end of the cylinder is provided with a liquid outlet which is communicated with the cavity;

and the sealing piston is arranged in the cavity in a sealing sliding manner.

Preferably, the outer wall of the cylinder body is provided with an anti-skid layer.

As a preferred scheme, the ureter is a three-cavity ureter; the three-cavity urinary catheter is provided with a bladder flushing interface, a drainage channel interface and a balloon injection interface; the cylinder body is connected with the drainage channel interface of the three-cavity urinary catheter.

As a preferred scheme, a connecting pipe extending out is arranged on a liquid outlet of the cylinder body, and the end part of the connecting pipe is a threaded interface; the drainage channel interface is also a threaded interface matched with the end part of the connecting pipe.

Preferably, a push-pull rod is further disposed on the sealing piston, and the push-pull rod extends out towards the opening of the cavity.

Preferably, the pressure swing flusher further includes:

one end of the first lever is rotatably connected with the end part of the push-pull rod (4);

one end of the second lever is rotatably connected with the outer wall of the cylinder;

the middle parts of the first lever and the second lever are rotatably connected; and the ratio of the lever can be adjusted to amplify the times of the push-pull force, so that the suction force is larger.

Preferably, the elastic piece is arranged between the first lever and the second lever on the side far away from the lever fulcrum of the cylinder body; the elastic part has a driving force for driving the sealing piston to be away from the liquid outlet.

Preferably, the end of the first lever is provided with a first handle; the end of the second lever has a second handle.

The technical scheme of the invention has the following advantages:

1. the invention provides a bladder irrigation device, comprising: ureters and variable pressure irrigators; the push-pull rod of the flusher is pushed to ensure that the cavity of the variable-pressure flusher is instantaneously pressurized to extrude the flushing liquid, so that the flushing liquid flushed into the bladder can generate instantaneous high pressure, and can generate larger impact force on blood clots in the bladder at high speed to break the blood clots into small blood clots, so that the blood clots can be flushed out of the bladder more easily, urinary ducts are not easy to block, turbulence is formed in the bladder, the blood clots are drawn into the turbulence, then the push-pull rod of the flusher is suddenly pulled to ensure that the cavity is instantaneously depressurized to suck the cavity, so that the blood clots and liquid suspended in the turbulence in the bladder are pumped out of the body together without an operating room, the bladder blood clots clearing operation is performed in general anesthesia or epidural downward anesthesia, the pain of a patient is reduced, the treatment time is shortened, the cost of the patient is reduced, the operation and the anesthesia risk are avoided, and an effective part is provided for forming the blood clots in the bladder, New and preferred treatment regimens.

2. The invention provides a bladder irrigation device, wherein the variable-pressure irrigator comprises: the cylinder body, the sealing piston and the push-pull rod; the push-pull rod drives the sealing piston to move in the cavity of the cylinder body, so that flushing liquid in the cavity can generate instantaneous high pressure and instantaneous low pressure; the principle of the structure is similar to that of an injector, the structure is simple, and the practicability is high.

3. According to the bladder irrigation device provided by the invention, the anti-skid layer is arranged on the outer wall of the cylinder body, so that the bladder irrigation device is convenient to hold by hands.

4. The invention provides a bladder irrigation device, which comprises a first lever and a second lever; a first handle is arranged on the first lever, and a second handle is arranged on the second lever; the push-pull force applied by the hand is amplified through the arrangement of the lever, and the force of the hand on pushing and pulling the rod is reduced. Making the operator more comfortable and the flushing more efficient.

5. The bladder irrigation device provided by the invention is characterized in that an elastic piece is arranged between the first lever and the second lever; the elastic piece can drive the push-pull rod to move, so that the variable-pressure flusher automatically performs basic suction; simplifying the actions during use.

6. According to the bladder irrigation device provided by the invention, the ureter is a three-cavity ureter; the use of a three-cavity urinary catheter is selected, so that the frequency of replacing the urinary catheter can be reduced; if the patient has the bladder bleeding, the bladder can be firstly connected with the original bladder for flushing, if the flushing effect is not good, the variable-pressure flusher in the scheme is connected, after the blood clot is flushed out, the bladder is connected with the bladder for flushing, and the urinary catheter does not need to be replaced frequently for specially clearing the blood clot from the bladder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of the bladder irrigation device of the present invention.

Fig. 2 is a schematic structural diagram of the pressure swing flusher of embodiment 1.

Fig. 3 is a schematic structural diagram of a three-chamber urinary catheter of the present invention.

Fig. 4 is a schematic structural diagram of the pressure swing flusher of embodiment 2.

Description of reference numerals:

1. a barrel; 2. a connecting pipe; 3. a sealing piston; 4. a push-pull rod; 5. a push-pull handle; 6. scale lines; 7. an anti-slip layer; 8. a bladder irrigation interface; 9. a drainage channel interface; 10. a balloon injection interface; 11. a first lever; 12. a second lever; 13. a rotating shaft; 14. a first handle; 15. a second handle; 16. an elastic member; 17. a variable pressure flusher; 18. a urinary catheter.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The bladder irrigation device provided by the embodiment, as shown in fig. 1, includes: a urinary catheter 18 and a pressure-variable irrigator 17; the push-pull rod is pushed to ensure that the instantaneous high pressure in the cavity is achieved and the flushing fluid is extruded out, so that the flushing fluid which is flushed into the bladder can generate the instantaneous high pressure, and generates larger impact force to the blood clots in the bladder at high speed to break the blood clots into small blood clots, so that the blood clots are easier to flush out of the bladder, are not easy to block the ureter 18, form turbulent flow in the bladder, are involved in the turbulent flow, quickly change the force application direction at the moment, the push-pull rod is pulled to change the cavity into a larger negative pressure instantly and to suck out the bladder, this draws the clots, suspended in the turbulent flow within the bladder, out of the body, along with the fluid, without the need for an operating room, the bladder blood clot removal operation is performed under general anesthesia or epidural anesthesia, so that the pain of a patient is reduced, the treatment time is shortened, the cost of the patient is reduced, and an effective, new and preferred treatment scheme is provided for the formation of the bladder blood clot and even the bladder filling.

As shown in fig. 2, the variable pressure flusher 17 includes a cylinder 1, a cavity with an opening at one end is arranged inside the cylinder 1, a liquid outlet is arranged at the front end of the cylinder 1, and the liquid outlet is communicated with the cavity; the front end of the liquid outlet is provided with a connecting pipe 2 which extends out, and the end part of the connecting pipe 2 is a threaded interface;

a sealing piston 3 is arranged in the cavity in a sealing sliding mode, the sealing piston 3 is fixedly connected with one end of a push-pull rod 4, a push-pull handle 5 is arranged at the other end of the push-pull rod 4, and the push-pull handle 5 is held by hands to facilitate the movement of the push-pull sealing piston 3 in the cavity; the principle of the variable pressure flusher 17 is similar to an injector.

The outer wall of the cylinder body 1 is provided with scale marks 6, so that the volume of the flushing liquid stored in the cavity can be known conveniently;

be provided with skid resistant course 7 on the outer wall of barrel 1, conveniently hold, even medical personnel in operation process, take aseptic gloves, antiskid that also can be fine facilitates the use.

As shown in fig. 3, the connecting tube 2 of the liquid outlet is connected with the ureter 18, the ureter 18 is a basic structure of a three-cavity ureter 18 and is provided with a bladder flushing interface 8, a drainage channel interface 9 and a balloon injection interface 10, but the three-cavity ureter 18 used in the scheme has thinner tube wall, thicker tube cavity and larger tube wall supporting force, so that a thicker tube cavity is ensured, and the blood clot and liquid can pass through the tube cavity;

the connecting pipe 2 of the cylinder body 1 is connected with the drainage channel of the three-cavity urinary catheter 18, and the drainage channel is provided with a threaded interface matched with the connecting pipe 2, so that the urinary catheter 18 and the variable pressure flusher 17 are ensured to be connected tightly, and the interface is not dropped off during pressurization.

Method of use and principles

Connecting the connecting pipe 2 on the cylinder body 1 with the drainage channel interface 9 on the three-cavity urinary catheter 18, holding the outer wall of the cylinder body 1 by hand, pushing the push-pull rod 4 to move the sealing piston 3, so that the cleaning liquid in the cavity flows into the bladder at high speed and high pressure, generating large impact force on blood clots in the bladder, breaking the blood clots into small blood clots, forming turbulent flow in the bladder, winding the blood clots into the turbulent flow, rapidly pulling the push-pull rod outwards to move the sealing piston 3, forming instant large negative pressure in the flushing cylinder, generating outwards suction force on flushing liquid in the bladder, thus pumping the blood clots and liquid suspended in the turbulent flow in the bladder out of the body, repeating the actions until more blood clots in the cavity are seen, pulling down the cylinder body 1, discharging the liquid with blood clots, and sucking in new sterile physiological saline flushing liquid to repeat the above flushing actions, until all blood clots in the bladder are flushed out; the blood clots in the bladder, including larger old blood clots and even patients with bladder stuffiness, can be flushed out of the blood clots in the bladder through the bladder flusher and the kit of the urine receiving pipe 18 in a ward or an outpatient department without going to an operating room, so that the pain of the patients is relieved, and the economic burden of the patients is reduced.

Example 2

The bladder irrigation device provided by the embodiment is improved on the basis of the embodiment as shown in fig. 4, and the same structure is not repeated, but the diameter of the cylinder body 1 is larger, and the volume of the cavity in the cylinder body 1 is larger; a cover plate is arranged at the opening of the cylinder body 1, and the push-pull rod 4 is connected with the cover plate in a sliding manner;

one end of a first lever 11 is rotatably connected to the end of the push-pull rod 4, the first lever 11 is arranged obliquely downwards, the other end of the first lever extends towards the oblique lower part, and a first handle 14 is arranged at the end; one end of a second lever 12 is rotatably connected to the cover plate, the second lever 12 is arranged obliquely upwards, the other end of the second lever extends upwards, and a second handle 15 is arranged at the end part of the second lever; the first lever 11 and the second lever 12 are rotatably connected through a rotating shaft 13; the force exerted by the medical staff on the push-pull rod 4 can be reduced by the lever arrangement.

An elastic piece 16 is arranged between the first lever 11 and the second lever 12, in the scheme, the elastic piece 16 is arranged close to one side of the handle, and the elastic piece 16 has force for driving the first lever 11 and the second lever 12 to be opened;

during the use process, the first handle 14 and the second handle 15 are held by hands, so that the first lever 11 and the second lever 12 are close to each other to drive the push-pull rod 4 to move, the sealing piston 3 moves inwards, the cleaning solution in the cavity flows into the bladder at a high speed, then the hands are released, and under the action of the elastic piece 16, the first lever 11 and the second lever 12 are far away from each other to drive the push-pull rod 4 to move, the sealing piston 3 moves outwards to suck the cleaning solution in the bladder. The elastic element 16 is arranged, so that the variable pressure flusher 17 automatically generates the suction action; simplifying the actions during use. The first handle 14 and the second handle 15 can be held by two hands respectively, and the opening and closing actions can be rapidly and repeatedly carried out, so that the flushing function is realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A bladder irrigation device, comprising:

a ureter (18), one end of which is suitable for being placed into the bladder from the urethra, and the other end of which is connected with the variable pressure irrigator (17);

a variable pressure irrigator (17) having a chamber for containing an irrigant; the cavity can change the pressure in the cavity by changing the force application direction and the force application size.

2. The bladder irrigation device according to claim 1, wherein the variable pressure irrigator (17) comprises:

the cylinder body (1) is internally provided with a cavity with one open end; the front end of the barrel (1) is provided with a liquid outlet which is communicated with the cavity;

and the sealing piston (3) is arranged in the cavity in a sealing sliding manner.

3. The bladder irrigation device according to claim 2, wherein the outer wall of the cylinder (1) is provided with an anti-slip layer (7).

4. The bladder irrigation device according to claim 2, wherein the urinary catheter (18) is a three-lumen urinary catheter (18); the three-cavity urinary catheter (18) is provided with a bladder flushing interface (8), a drainage channel interface (9) and a balloon injection interface (10); the cylinder body (1) is connected with a drainage channel interface (9) of the three-cavity urinary catheter (18).

5. The bladder irrigation device according to claim 4, wherein a connection pipe (2) is arranged on the liquid outlet of the cylinder body (1), and the end of the connection pipe (2) is a threaded interface; the drainage channel interface (9) is also a threaded interface matched with the end part of the connecting pipe (2).

6. A bladder irrigation device according to any one of the claims 2-5, wherein a push-pull rod (4) is arranged on the sealing piston (3), the push-pull rod (4) extending towards the opening of the cavity, and a handle adapted to be held by hand is arranged at an end of the push-pull rod remote from the piston.

7. The bladder irrigation device according to claim 6, wherein the variable pressure irrigator (17) further comprises:

one end of the first lever (11) is rotatably connected with the end part of the push-pull rod (4);

one end of the second lever (12) is rotationally connected with the outer wall of the cylinder body (1);

the middle parts of the first lever (11) and the second lever (12) are rotatably connected.

8. A bladder irrigation device according to claim 7, wherein an elastic member (16) is arranged between the first lever (11) and the second lever (12); the elastic part (16) has a driving force for driving the sealing piston (3) away from the liquid outlet.

9. A bladder irrigation device according to claim 7 or 8, wherein the end of the first lever (11) has a first handle (14); the end of the second lever (12) has a second handle (15).