CN213591296U

CN213591296U - Flushing device for indwelling catheter and fistulization catheter patients

Info

Publication number: CN213591296U
Application number: CN202022498613.6U
Authority: CN
Inventors: 许洋洋; 李学松; 李志华; 贯华; 黎丹; 黄燕波
Original assignee: Peking University First Hospital
Current assignee: Peking University First Hospital
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-02
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a washing unit for keeping somewhere ureter and fistulization pipe patient, it includes: the front end of the connector tube is used for connecting an indwelling catheter or a fistulation tube of a patient; the front end of the sleeve which is integrally formed with the joint pipe is provided with a narrowing section connected with the tail end of the joint pipe; the piston is arranged in the piston assembly in the sleeve, and the center of a piston rod of the piston assembly is provided with a through hole which penetrates through the length of the piston rod; the front end of the pull ring is provided with a connector which is butted with the through hole of the piston rod; the connecting conduit is used for connecting the negative pressure suction mechanism with the through hole of the piston rod. The utility model discloses a flushing device, simple structure, reasonable, the operation is convenient, can keep somewhere the ureter or fistulization pipe to the patient as required and carry out electronic or manual washing and suction, solves clinical actual difficulty, improves the flushing efficiency.

Description

Flushing device for indwelling catheter and fistulization catheter patients

Technical Field

The utility model relates to the field of medical technology, especially, relate to a washing unit for keeping somewhere ureter and fistulization pipe patient.

Background

The urinary catheter is one of the most commonly used pipelines in medical treatment, and urinary surgery patients need to leave the urinary catheter or fistulization catheter in a short-term or long-term manner after operations due to needs of operations or conditions, and besides, part of old patients lose self-care ability in life, and need to live with the catheter for a long time based on nursing needs, so that complications in bed can be avoided. For such patients, maintaining the patency of the tubing during indwelling of the urinary tract is critical. The repeated blockage of the pipeline caused by various reasons such as blood clots, sediments, secretions and the like causes urinary retention and increases the pain of patients, and further, emergency treatment is often needed due to unsmooth urination, secondary infection, fever and the like. The patient can find deposit, blood clot in the pipeline in early stage, then long-time urine can't be discharged, if there is convenient washing or suction device this moment, can carry out the pipeline mediation in early stage, avoids the state of an illness to further aggravate.

At present, no mature flushing device exists clinically, when facing patients of the type, clinicians often use local materials, self-make simple tools, connect a common syringe with a sputum suction pipe joint, and help the patients to dredge pipelines or finish pipeline flushing. Some invention patents design devices like adapters and the like, and the devices are installed on common syringes to try to solve the problem, but in practical application, some practical problems which are difficult to solve still exist: first, self-control instrument or adapter can't guarantee clean aseptic in the equipment use, increase and wash and the secondary infection risk of pipeline mediation in-process. Secondly, the self-made tool or the adapter is often connected and sealed the effect not good, often appears phenomenons such as gas leakage, weeping, can't reach good washing and negative pressure suction effect. Thirdly, because the outlet aperture of the common syringe is small, the suction process is very laborious, and some larger blockages are not easy to be sucked (such as blood clots), the process of flushing the bladder and sucking the blood clots by doctors in clinical work consumes a great deal of energy and physical force, but the success rate is low.

Disclosure of Invention

The utility model aims at solving the above problem, provide a washing unit for keeping somewhere ureter and fistulization pipe patient, simple structure, reasonable, the operation is convenient, can keep somewhere the ureter to the patient as required or fistulization pipe carries out electronic or manual washing and suction, solves clinical actual difficulty, improves flushing efficiency.

In order to realize the above object of the utility model, the utility model provides a washing unit for keeping somewhere ureter and fistulization pipe patient, it includes: the front end of the connector tube is used for connecting an indwelling catheter or a fistulation tube of a patient; the front end of the sleeve which is integrally formed with the joint pipe is provided with a narrowing section connected with the tail end of the joint pipe; the piston is arranged in the piston assembly in the sleeve, and the center of a piston rod of the piston assembly is provided with a through hole which penetrates through the length of the piston rod; the front end of the pull ring is provided with a connector which is butted with the through hole of the piston rod; the connecting conduit is used for connecting the negative pressure suction mechanism with the through hole of the piston rod.

Wherein, the front part of the connector tube is a frustum-shaped catheter connector which is convenient for being connected with an indwelling catheter or a fistulation tube of a patient.

And the middle part of the joint pipe is connected with a liquid joint which is vertical to the joint pipe and is communicated with an external flushing liquid supply mechanism.

And a three-way valve for adjusting the on-off of the pipeline is arranged at the joint of the joint pipe and the liquid joint.

Wherein, the periphery of the conduit joint is provided with an annular anti-skid groove.

Wherein, the tail end of the sleeve positioned at the narrowing section is provided with a head antiskid handle.

Wherein, the straight section end of the sleeve is provided with a tail anti-skid handle.

Wherein, the peripheral ring in the anterior part of the straight section of sleeve is equipped with anti-skidding structure.

Compared with the prior art, the utility model discloses a washing unit for keeping somewhere ureter and fistulization pipe patient has following beneficial effect:

1. the utility model discloses a washing unit, simple structure, convenient to use, integration cavity design need not the adapter, can adopt the sterilization packing, avoids self-control instrument in-process to pollute probably, reduces the infection risk.

2. The utility model discloses a washing unit can be manual, electronic dual-purpose carry out the pipeline to keeping somewhere ureter or fistulization pipe of patient and wash, uses manpower sparingly.

3. The utility model discloses a washing unit washes, takes out liquid integration operation, need not midway breaker, and the pollution abatement is probably.

4. The utility model discloses a flushing device, sleeve adopt heavy-calibre, laborsaving structural design, set up anti-skidding structure and antiskid handle on the sleeve, and relatively ordinary syringe exports greatly, capacious, suction is sufficient, and the great plug of convenient suction of cooperation is superior to other design.

5. The utility model discloses a washing unit, piston rod are inside hollow piston rod, and connection afterbody pull ring or outside negative pressure suction mechanism can be dismantled to its end, and it is convenient to connect, do benefit to and carry out manual and electronic switching according to the use needs, improve washing efficiency.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a flushing device (with a tail pull ring) for a patient with an indwelling catheter and a fistulization catheter according to the present invention;

fig. 2 is a schematic structural view of the negative pressure suction mechanism of the flushing device for the indwelling urinary catheter and the patient with the fistulization catheter of the present invention.

Detailed Description

As shown in figure 1, for the utility model discloses a half section structure sketch map of (having afterbody pull ring) of a washing unit for keeping somewhere ureter and fistulization pipe patient, figure 2 is the utility model discloses a negative pressure suction mechanism's of a washing unit for keeping somewhere ureter and fistulization pipe patient's structure sketch map.

As shown in fig. 1 and 2, the flushing device for indwelling urinary catheter and ostomy patients of the present invention comprises: a connector tube 18 whose front end is used for connecting an indwelling urinary catheter or a fistulation tube of a patient; a sleeve 19 having a narrowed portion at a front end integrally formed with the joint pipe 18 and connected to a distal end of the joint pipe 18; a piston assembly with a piston 9 arranged in a sleeve 19 and a through hole penetrating the length of the piston rod 11 in the center of the piston rod 11; a pull ring 14 having a coupling head 13 at a front end thereof for being coupled to a through hole of the piston rod 11; the connecting conduit 15 is used for a negative pressure suction mechanism which is butted with the through hole of the piston rod 12.

The utility model discloses a flushing device, similar syringe function, with the through-hole of piston rod among the piston assembly and pull ring connector 13 or the 15 butt joints of connecting tube of negative pressure suction mechanism to can realize manual, electronic dual-purpose function and carry out the pipeline with keeping somewhere ureter or fistulization pipe to the patient and wash or suction, reach and to keep somewhere the ureter or the purpose that fistulization pipe washed or suction to the patient as required.

Wherein, the front part of the connector 18 is a catheter connector 1 (see fig. 1) which is convenient for connecting with an indwelling catheter or a fistulation tube (not shown in the figure) of a patient, the catheter connector 1 is in a frustum shape, namely, the diameter of the catheter connector 1 is gradually reduced from the connection part of the catheter connector and the rear part of the connector forward so as to be convenient for being inserted with the indwelling catheter or the fistulation tube on the patient. In order to prevent the connection part from falling off when the catheter joint 1 is connected with an indwelling catheter or an ostomy tube, the periphery of the catheter joint 1 is provided with an annular anti-slip groove for increasing the friction force and the sealing performance of the connection part, the anti-slip groove can be a plurality of rings, and the front end to the rear end of the catheter joint 1 are all provided with an annular anti-slip groove or can be arranged on a joint tube 18 behind the catheter joint 1.

A liquid joint 6 is provided at the middle of the adapter tube 18 and is vertically connected to the adapter tube, and the inner cavity of the adapter tube 18 is communicated with an external irrigating fluid supply mechanism (not shown in the figure) through the liquid joint 6, so that the irrigating fluid and other liquid supplied by the external irrigating fluid supply mechanism can enter the inner cavity of the adapter tube 18 through the liquid joint 6 and flow into the indwelling urinary catheter or the ostomy catheter of the patient through the catheter joint 1 for irrigating. The external irrigant supply mechanism may be a prior art infusion set.

For flushing or suction as required, a three-way valve for switching the line is provided at the junction of the connector pipe 18 and the liquid connector 6, the three-way valve having three ports, and the internal valve core leads to different outlets at different positions, so that the valve of the three-way valve can be rotated according to the actual requirements when in use, such as when rotating the valve to make the port 4 face the direction of the catheter connector 1, the line between the port 3 and the port 4 is communicated; when port 3 or port 5 is oriented toward catheter adapter 1, the conduit between port 3 and port 5 is in communication.

The joint of the joint pipe 18 and the liquid joint 6 is provided with a three-way valve, so that the washing and liquid-pumping integrated operation of the washing device can be realized, the device is not required to be disassembled midway during the operation, and the possibility of pollution is reduced. And the liquid joint can be connected with external flushing liquid, and the effects of repeated flushing and repeated suction can be realized by adjusting the three-way valve, so that the flushing efficiency is improved.

The rear end of the joint tube 18 and the front end of the sleeve 19 are integrally formed, and the front part of the sleeve 19 is a narrowed section, namely, the diameter of the narrowed section of the sleeve 19 is gradually increased from the joint of the sleeve and the joint tube 18 to the rear until the diameter is increased to be 3-4 times of the diameter of the rear end of the joint tube 18.

The rear part of the narrowed section of the sleeve 19 is a straight section which is integrally formed with the narrowed section, and the tail end of the straight section is provided with a tail anti-slip handle 10 with the outer diameter larger than the diameter of the straight section. The adapter pipe communicates with sleeve integrated into one piece and cavity, and both need not the adapter when connecting, consequently can adopt the sterilization packing, avoids self-control instrument in-process to pollute probably, reduces the infection risk.

Further, in order to facilitate holding the sleeve 19, a head anti-slip handle 7 is disposed at the end of the sleeve 19 located at the narrowed section, as shown in fig. 1, the head anti-slip handle 7 is annular and extends outwards along the extension line of the narrowed section, and an anti-slip structure is disposed around the front portion (i.e., a portion close to the narrowed section) of the straight section of the sleeve 19, and the anti-slip structure may be a plurality of annular protrusions annularly disposed around the outer periphery of the straight section of the sleeve 19, or a screw thread 8 disposed around the outer periphery of the straight section and extending spirally along the axial direction of the straight section.

The sleeve adopts heavy-calibre (compare prior art syringe cylinder diameter), and sets up anti-skidding structure, anti-skidding head handle, afterbody handle on the sleeve, compares that ordinary syringe cylinder is bigger, the capacity is bigger, suction is more sufficient, more conveniently sucks great plug.

The annular inner cavity of the sleeve 19 is provided with the piston 9 and a part of the piston rod 11 of the piston assembly, a circular piston handle 12 for operating the piston rod 11 is arranged at the tail end of the piston rod 11, and the outer diameter of the piston handle 12 is larger than that of the piston rod 11. When in design, the center of the piston rod 11 is provided with a through hole penetrating the length of the piston rod 11, and the centers of the piston 9 and the piston handle 12 are also respectively provided with a through hole communicated with the through hole of the piston rod 11, so that a channel which is communicated with each other and can enable the inner cavity of the sleeve 19 to be communicated with the outside is formed in the centers of the piston 9, the piston rod 11 and the piston handle 12 of the piston assembly.

In order to connect the piston rod 11 and the tail pull ring 14 together, a sealing thread is arranged on the inner wall of the through hole close to the tail end of the piston rod 11, correspondingly, an external thread matched with the sealing thread is also arranged on the outer wall of the connecting head 13 of the tail pull ring 14, so that the piston rod and the connecting head are connected into a whole through the thread, and the tail of the channel can be sealed after the tail pull ring 14 is connected with the piston rod 11.

And the pull ring 14 is in threaded connection with the piston rod 11, so that the pull ring and the piston rod are convenient to detach and connect. In addition, when the wall negative pressure suction or the electric negative pressure suction mechanism is needed, the connecting head 13 of the pull ring can be separated from the piston rod 11 by rotating the pull ring 14, so that the piston rod 11 is communicated with the connecting catheter 15 of the electric negative pressure suction mechanism, and liquid is injected into the indwelling urinary catheter or the ostomy catheter of the patient for flushing or suction through the negative pressure suction mechanism.

The electric negative pressure suction mechanism includes, in addition to the connection tube 15, a negative pressure bottle 16 into which the distal end of the connection tube 15 is inserted, and a negative pressure aspirator 17 communicating with the inner chamber of the negative pressure bottle 16 through a tube.

The utility model discloses piston rod cavity, connection afterbody pull ring and negative pressure suction structure can be dismantled at the rear portion to connect, dismantle conveniently, realize that a device is manual, electronic dual-purpose, use manpower sparingly, and both can accomplish the pipeline and wash, can manual suction again, the more reducible manpower of connecting line use electronic negative pressure suction consumes.

The following description will be made of the process of the flushing device for flushing and vacuum suction, which is performed manually or electrically.

The catheter connector is connected to the opening of the indwelling catheter or ostomy tube of the patient, and then the three-way valve is rotated so that the port 3 of the three-way valve is rotated toward the inlet of the liquid connector 6, at which time the external irrigation liquid can flow to the catheter connector through the liquid connector 6 and the port 3. When the port 4 of the three-way valve is turned to the inlet of the liquid joint 6, the external liquid inlet channel is closed, the inner cavity of the sleeve is communicated with the inner cavity of the catheter joint to form a passage, and at the moment, the effect of sucking the content in the indwelling catheter or the ostomy catheter can be realized through the passage formed by communication by pushing and pulling the piston handle and the piston rod. When the port 5 is screwed to the inlet of the liquid connector 6, the irrigation liquid sucked from the outside can be flowed into the indwelling urinary catheter or the ostomy catheter via the liquid connector 6 and the catheter connector 1. The whole process of flushing, sucking and flushing can be realized only by adjusting the direction of the port of the three-way valve, and the device is not required to be disconnected repeatedly when the effects of flushing and sucking are realized repeatedly by adjusting the three-way valve.

And when needs adopt electronic suction, will manual time the afterbody pull ring 14 of equipment unscrew from piston rod 11, be connected to connecting tube 15 on the internal thread of piston rod 11, after the rotation is fixed, be linked together the pipeline between connecting tube and negative pressure aspirator 17 to can realize the electronic negative pressure suction effect to keeping somewhere the ureter or fistulization pipe through the negative pressure suction effect of negative pressure aspirator 17.

To sum up, the utility model discloses washing unit adopts integration head and cavity design, promptly, and the joint pipe adopts the integrated design with the sleeve, tears the usefulness promptly, avoids the multicomponent dismouting, and simple structure avoids considering of assembling process to pollute, reduces the operation link, washes, the integrated operation of drawing liquid, need not midway dismounting device, and the pollution abatement is probably, and it is inseparable to reduce to connect, risks such as gas leakage, weeping. The three-way valve realizes different operation effects. In addition, a detachable tail pull ring is adopted, namely, the rear part of the hollow piston rod is in threaded connection with the pull ring or the connecting guide pipe, and the detachable connection mode can ensure the tightness and convenience of manual use and is compatible with electric attraction, so that the labor is saved, the workload of a doctor is reduced, the convenience of clinical operation is obviously improved, and the time and the labor are saved. And the whole structure is labor-saving, and the anti-skidding structure, the head anti-skidding handle and the tail anti-skidding handle are arranged on the sleeve and are connected with the tail pull ring through threads, so that the physical cost can be greatly reduced in the manual operation process, and the operation success rate is improved.

Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.

Claims

1. A kind of flushing device used for keeping the ureter and patient of fistulization, characterized by that, include:

the front end of the connector tube is used for connecting an indwelling catheter or a fistulation tube of a patient;

the front end of the sleeve which is integrally formed with the joint pipe is provided with a narrowing section connected with the tail end of the joint pipe;

the piston is arranged in the piston assembly in the sleeve, and the center of a piston rod of the piston assembly is provided with a through hole which penetrates through the length of the piston rod;

the front end of the pull ring is provided with a connector which is butted with the through hole of the piston rod;

the connecting conduit is used for connecting the negative pressure suction mechanism with the through hole of the piston rod.

2. The irrigation device of claim 1 wherein the forward portion of the adapter tube is a frustum-shaped catheter adapter to facilitate connection to an indwelling urinary catheter or ostomy catheter of a patient.

3. The irrigation device as claimed in claim 2, wherein a fluid connector is connected to a middle portion of the connector tube perpendicular thereto for communicating with an external irrigation fluid supply mechanism.

4. The flushing device as claimed in claim 3, wherein a three-way valve for adjusting the on-off state of the pipeline is arranged at the joint of the joint pipe and the liquid joint.

5. The irrigation device of claim 2 wherein the catheter adapter is provided with an annular anti-slip groove on its outer circumference.

6. A flushing device as claimed in any one of claims 1 to 5, characterized in that the sleeve is provided with a head anti-slip grip at the end located at the narrowing.

7. A flushing device as claimed in any one of claims 1 to 5, characterized in that the flat section of the sleeve is terminated by a trailing anti-slip grip.

8. The flushing device of claim 7 wherein the sleeve is provided with an anti-slip structure around the straight section front periphery.