CN211434388U - Urethral catheterization device - Google Patents

Abstract

The utility model relates to a urethral catheterization device belongs to medical instrument technical field, be in including catheter, deposit the liquid bag, and set up fixed knot on the catheter constructs and disinfection structure, the catheter is one section hollow tube, the cavity passageway of hollow tube is promptly for the catheterization passageway, is provided with into water connector in the one end of hollow tube, be provided with at the other end of hollow tube with the play water connector of catheterization passageway intercommunication, fixed knot constructs including fixed gasbag and manual gasbag that adds, disinfection structure includes that the antiseptic solution accomodates pipe and inlet, the top intercommunication of depositing the liquid bag is provided with the water conservancy diversion head, it is sealed to go out water connector internal fixation with the leak protection. The utility model discloses an aspect has the disinfection effect of disinfecting, can disinfect urethra and urine, and on the other hand is sturdy in structure, can not leak, can not have the outflow of residual urine, can realize that dismantlement, pressurized or collision do not have the leakage, make medical environment clean, and medical personnel joyful provides help for improving medical care level.

Description

Urethral catheterization device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to safe in utilization's catheterization device does not have leakage.

Background

Urinary catheters are usually provided with a urinary catheter, which is inserted from the urethra into the urinary bladder and drained to discharge urine, and a fluid storage bag for temporarily storing the urine. The catheterization device can well solve the catheterization problem of patients, but has some defects: the existing catheter only simply leads out urine and has no sterilization and disinfection effects, thereby: when the urinary tract is stimulated by the catheter for a long time, the urinary tract is easily infected, and the derived urine is not sterilized and disinfected, so that secondary pollution to medical personnel or the urinary catheterization environment can be caused; meanwhile, the existing liquid storage bag is made of soft materials, and when a patient turns over or sits up, the patient can directly press the liquid storage bag, so that the liquid storage bag is extruded and deformed to cause leakage; in addition, when the urine in the liquid storage bag reaches a certain amount and needs to be poured, the liquid storage bag needs to be detached from the catheter, and at the moment, residual urine inevitably flows out of the catheter and can be sprinkled on medical staff, so that mental panic and conflict emotion are caused to the medical staff.

To above-mentioned problem, need improve the structure of current catheterization device, make its one side have the disinfection effect of disinfecting, can disinfect to urethra and urine, avoid infecting and secondary pollution, on the other hand sound construction, can not leak, can not have the outflow of residual urine, provides help for realizing clean, safe catheterization.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a urinary catheterization device to solve the problems of infection and leakage in the prior art.

The utility model discloses a following technical scheme realizes:

the urethral catheterization device comprises a urethral catheter, a liquid storage bag, a fixing structure and a disinfection structure which are arranged on the urethral catheter,

the urinary catheter is a section of hollow tube, the hollow channel of the hollow tube is a urinary catheter channel, one end of the hollow tube is provided with a water inlet connector communicated with the urinary catheter channel, the water inlet connector is a smooth sphere, the smooth sphere is provided with a plurality of water inlets, the other end of the hollow tube is provided with a water outlet connector communicated with the urinary catheter channel, the inner wall of the water outlet connector is provided with internal threads fixedly connected with the liquid storage bag,

the fixing structure comprises a fixing air bag and a manual air adding bag, the fixing air bag is annularly arranged on the outer surface of one end of the water inlet connector, the manual air adding bag is arranged at one end of the water outlet connector and is communicated with the fixing air bag through an air passage arranged in the catheter,

the disinfection structure comprises a disinfectant containing pipe and a liquid inlet, the disinfectant containing pipe is continuously arranged along the catheter, the disinfectant containing pipe is communicated with the disinfectant containing pipe, the disinfectant containing pipe can seep disinfectant into the catheter and can seep disinfectant out of the catheter, the liquid inlet is arranged at one end of the water outlet connector,

deposit the top intercommunication of liquid bag and be provided with the water conservancy diversion head, the surface of water conservancy diversion head be provided with internal thread screw-thread fit's external screw thread, it is sealed that the play water connector internal fixation has the leak protection, the overhead impaling that is provided with of water conservancy diversion the sealed intercommunication awl point of leak protection, the intercommunication awl point has the urine passageway and the urine entry that the liquid bag inner chamber was deposited in the intercommunication, and the plane at urine entry place is the contained angle setting with the urine passageway, and the back is screwed to water conservancy diversion head and play water connector, and the minimum of urine entry is less than the sealed top plane of leak protection, deposit the stereoplasm container that the liquid bag was made for adopting plastic material or metal material.

Further, the catheter is provided with the breach along its full length, the antiseptic solution is accomodate the pipe and is followed the body of breach gomphosis, be provided with the barrier film in the body, the barrier film separates the inner chamber of body for two independent spaces, and the space that is close to the catheter axis is interior infiltration passageway, and the space of keeping away from the catheter axis is outer infiltration passageway, interior infiltration passageway is interior to set up in succession or to be interrupted and to be provided with the infiltration membrane I of infiltration in the catheter, outer infiltration passageway is interior to be interrupted and to be provided with the infiltration membrane II of infiltration outside the catheter.

Or, the catheter is at the interval setting first breach and second breach in circumference, first breach and second breach set up along the full length of catheter, the antiseptic solution accomodate the pipe include with the first body of first breach gomphosis and with the second body of second breach gomphosis, continuous setting or the water seepage membrane I that is provided with infiltration in the catheterization pipe in the first body, it is provided with the water seepage membrane II that seeps water outside the catheterization pipe to be interrupted in the second body.

Furthermore, the water seepage membrane I and the water seepage membrane II are porous plastic films or cotton cloth.

Further, the pipe body and the isolating membrane are made of waterproof materials.

Further, the first pipe body and the second pipe body are made of waterproof materials.

Further, an exhaust device is arranged on the liquid storage bag, the exhaust device is a bag body with cracks, and the bag body is arranged on the top of the liquid storage bag in an inverted shape.

Further, the alarm device comprises a water level sensor arranged in the liquid storage bag and a loudspeaker arranged outside the liquid storage bag and communicated with the water level sensor.

Furthermore, the outer surface of one end, far away from the water inlet connector, of the fixed air bag is provided with a plurality of anti-skidding convex ribs.

Further, fixed knot constructs still includes many intervals and fixes the sticky tape at the catheter surface, be provided with the protection film on the sticky tape.

The beneficial effects of the utility model reside in that:

1. the utility model has the advantages that the disinfectant is leaked out of the disinfectant accommodating tube into and out of the catheter, and the urine in the catheter is disinfected and the human urinary tract is sterilized, so that the urinary tract infection and the secondary pollution to the external environment are avoided, and the operation safety is improved;

2. after entering the bladder, the catheter can be fixed in the bladder through the fixing air bag, thereby playing a role in fixing, preventing the urine from spilling out due to sliding out, polluting the environment and ensuring reliable operation;

3. the liquid storage bag is arranged into the hard container, so that the liquid storage bag cannot deform excessively when being pressed or collided, and the leakage probability is greatly reduced;

4. the detachable quick connection is realized through the external thread and the internal thread;

5. through the combined structure of the leakage-proof seal and the communication conical tip, the design goals of no leakage when not connected and communication when connected are realized.

In a word, the utility model discloses an aspect has the disinfection effect of disinfecting, can disinfect urethra and urine, avoids infecting and secondary pollution, and on the other hand is sturdy structure, can not leak, can not have the outflow of residual urine, can realize dismantling, pressurized or collision do not have the leakage, and it is convenient and swift to dismantle, makes medical environment clean, and medical personnel are joyful, provides help for improving medical care level.

Drawings

FIG. 1 is a schematic view of the urinary catheterization device of the present invention;

FIG. 2 is a schematic view of the fixed air bag of the present invention during inflation;

FIG. 3 is a schematic structural view of a catheter water outlet connector;

FIG. 4 is a schematic structural view of a liquid storage bag;

FIG. 5 is a schematic cross-sectional view at A-A of FIG. 4;

FIG. 6 is a schematic view of the connection structure of the catheter and the liquid storage bag;

FIG. 7 is an elevation view of a urinary catheter;

FIG. 8 is an axial cross-sectional view of a urinary catheter;

FIG. 9 is a radial cross-sectional view of the first embodiment urinary catheter;

FIG. 10 is a radial cross-sectional view of a second embodiment urinary catheter;

FIG. 11 is a schematic view of a plurality of sterilization structures.

Description of reference numerals:

1, a catheter; 2-liquid storage bag; 3-a fixed structure; 4-a disinfection structure; 5-a catheterization channel; 6-water inlet connector; 7-water inlet; 8-a water outlet connector; 9-internal thread; 10-fixing the air bag; 11-adding air bags manually; 12-gas path; 13-a disinfectant liquid storage tube; 14-a liquid inlet; 15-a barrier film; 16-an internal seepage channel; 17-an extravasation flow channel; 18-water permeable membrane I; 19-water permeable membrane II; 20-a flow guide head; 21-external thread; 22-leak-proof sealing; 23-communicating the cone tip; 24-the urine pathway; 25-a urine inlet; 26-liquid discharge switch valve I; 27-hand held air bag; 28-liquid discharge switch valve II; 29-an exhaust; 30-anti-slip ribs; 31-sticking tape; 32-a water level sensor; 33-a loudspeaker; 34-a first tube; 35-a second tube; 36-a tube body; 37-connecting tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

First embodiment

As shown in fig. 1 to 9, the urinary catheter of the present embodiment includes a urinary catheter 1, a liquid storage bag 2, and a fixing structure 3 and a disinfecting structure 4 disposed on the urinary catheter, specifically:

the catheter is a section of hollow tube, the hollow channel of the hollow tube is a urethral catheterization channel 5, when in urethral catheterization, urine flows through the urethral catheterization channel, one end of the hollow tube is provided with a water inlet connector 6 communicated with the urethral catheterization channel, the water inlet connector is a smooth sphere which can avoid the damage to the urinary tract, the smooth sphere is provided with a plurality of water inlets 7 for introducing the urine from different angles, the other end of the hollow tube is provided with a water outlet connector 8 communicated with the urethral catheterization channel, the inner wall of the water outlet connector is provided with internal threads 9 fixedly connected with the liquid storage bag,

the fixing structure comprises a fixing air bag 10 and a manual air adding bag 11, the fixing air bag is annularly arranged on the outer surface of one end of the water inlet connector, the manual air adding bag is arranged at one end of the water outlet connector and is communicated with the fixing air bag through an air passage 12 arranged in the catheter, and when the fixing structure is used, the fixing air bag is aerated through the manual air adding bag to be fixed in a bladder so as to prevent the fixing air bag from sliding out;

the disinfection structure comprises a disinfectant containing pipe 13 and a liquid inlet 14 communicated with the disinfectant containing pipe, which are continuously arranged along the catheter, the disinfectant containing pipe can seep disinfectant into the catheter and also seep disinfectant out of the catheter, the liquid inlet is arranged at one end of the water outlet connector, so that after the catheter is placed in, the disinfectant is added into the disinfectant containing pipe through the liquid inlet for storage, and in the process, the disinfectant is seeped into the catheter or out of the catheter for respective disinfection,

specifically, the catheter of this embodiment has a notch along its entire length, i.e., a longitudinal notch, and the disinfectant storage tube is a tube body 36 embedded along the longitudinal notch, and certainly, the distal end of the tube body, i.e., the end near the water inlet connector, is a blind end, so that the disinfectant can be stored in the tube body for a long time, and meanwhile, a separation film 15 is arranged in the tube body, and separates the inner cavity of the tube body into two independent spaces, the space near the axis of the catheter is an inner seepage channel 16, the space far away from the axis of the catheter is an outer seepage channel 17, a seepage film I18 for seepage water into the catheter is arranged in the inner seepage channel, and a seepage film II 19 for seepage water out of the catheter is arranged in the outer seepage channel.

The materials of the water permeable membrane I and the water permeable membrane II of the present embodiment are not limited, and may be made of a porous plastic film or cotton cloth, so that the disinfectant solution can continuously seep out under the action of water pressure. Of course, when the permeation level is constant, the permeation amount is related to the permeation area, when the permeation amount needs to be increased, the area of the water permeation film can be increased, when the permeation amount needs to be reduced, the area of the water permeation film can be reduced, therefore, the arrangement form of the water permeation film can be set according to needs, such as continuous arrangement or interval arrangement, of course, in the embodiment, the structural characteristics also need to be considered, because the water permeation film has no structural strength, when the water permeation film is completely arranged along the whole length of the tube body, the whole structural strength of the catheter can be reduced, and the normal use is affected, therefore, as an optimization, the embodiment arranges a plurality of holes on the tube body, then seals the water permeation film II on the holes, and the tube body is made of plastic materials with certain strength, thus, the structural strength is ensured, and the water permeation performance is also ensured,

in the embodiment, the top of the liquid storage bag is communicated with a flow guide head 20, the outer surface of the flow guide head is provided with an external thread 21, the external thread is in threaded fit with the internal thread of the water outlet connector, so that the catheter and the liquid storage bag are fixed,

in particular, the leak-proof seal 22 is fixed in the water outlet connector of the present embodiment, the flow guide head is provided with the communicating conical tip 23 capable of piercing the leak-proof seal, the communicating conical tip is provided with the urine channel 24 and the urine inlet 25 which are communicated with the inner cavity of the liquid storage bag, the leak-proof seal is made of silica gel or latex, so that the leak-proof seal has high elasticity, when the communicating conical tip is taken out, the urine in the tube is blocked, and the urine is prevented from spilling in the disassembling process. When the flow guide head is screwed with the water outlet connector, the communicating conical tip pierces the leakage-proof seal to communicate the catheter and the liquid storage bag, and urine in the catheter enters the urine channel through the urine inlet and then enters the inner cavity of the liquid storage bag for storage. In order to improve the pressure-bearing capacity of the liquid storage bag, the hard container is made of hard plastic materials such as phenolic plastics, polyurethane plastics and epoxy plastics or light metal materials such as aluminum and magnesium, has certain rigidity, and can avoid leakage and environmental pollution caused by deformation generated by pressure or collision. The shape of the liquid storage bag is not limited in this embodiment, and may be a circular shape, an oval shape, a square shape, or other conventional shapes, and the present embodiment has a rectangular structure with rounded edges, as shown in fig. 5.

As the improvement of this embodiment, body and barrier film adopt impervious material to make such as rubber, plastics for the inside and outside space that is mutually independent of catheter, urine can not ooze into human urinary tract and produce the pollution, more can not flow out the genitals and cause secondary pollution to external environment, make the drainage cleaner.

As an improvement of this embodiment, as shown in fig. 6, the urine inlet is an elliptical hole formed by cutting off the upper part of the communicating conical tip on a plane which forms a certain included angle with the urine channel, the elliptical hole extends from bottom to top along the plane to have a certain gradient, and after the flow guide head is screwed with the water outlet connector, the lowest part of the urine inlet is lower than the top plane of the leak-proof seal, so that the urine can be completely discharged without leaving any residue.

As a modification of this embodiment, the catheter is provided with a drainage switch valve I26 and a hand-held balloon 27 between the drainage switch valve and the leak-proof seal. Can carry out ending control to the catheter through flowing back ooff valve, prevent that the urine from excessively extrudeing and overflowing the leak protection is sealed, further form the protection. The hand-held air bag is used for aerating the catheter, so that the pressure in the catheter is increased, the exhaustion level can be improved, and the risk of urine escaping is reduced.

As a modification of this embodiment, the liquid storage bag is also provided with a liquid discharge switch valve II 28, which can be operated to open and close the liquid storage bag, thereby controlling the discharge of urine.

As a modification of this embodiment, the liquid storage bag is provided with an air discharging device 29, the air discharging device is a bag body with cracks, the bag body is arranged on the top of the liquid storage bag in an inverted shape, when the pressure in the bag body exceeds a certain value, the cracks are pulled apart, gas exchange is carried out with the outside, the pressure in the bag body is reduced, and urine flows into the liquid storage bag.

As a modification of this embodiment, the outer surface of the end of the fixing air bag far away from the water inlet connector is provided with a plurality of anti-slip ribs 30. As shown in fig. 2, the anti-slip convex edge is beneficial to increasing the friction force between the anti-slip convex edge and the outlet inner neck of the human bladder, thereby further improving the fixing effect.

As the improvement of this embodiment, fixed knot constructs still including many intervals fixes the sticky tape 31 at the catheter surface, fixes the visitor's of catheterization on patient's trousers through the sticky tape, makes fixed more firm, and simultaneously, this embodiment is provided with the protection film on the sticky tape, can protect the sticky tape, makes it keep the adhesive force.

As a modification of the embodiment, the liquid level monitoring device further comprises an alarm device, wherein the alarm device comprises a water level sensor 32 arranged in the liquid storage bag and a loudspeaker 33 arranged outside the liquid storage bag and communicated with the water level sensor. When the specific implementation is carried out, the urine collecting device also comprises a chip with certain processing capacity, a certain height is set as an alarm scale in the liquid storage bag, when the water level sensor monitors that the urine quantity exceeds the alarm scale, an alarm signal is sent to the chip, the alarm signal is processed by the chip and converted into a sound signal, and finally the sound is sent by the loudspeaker to prompt. The specific conversion process of the signal is conventional technology, is not the focus of the present invention, and is not described here.

Second embodiment

The first embodiment discloses a stacked disinfection structure, and the disinfection structure of this embodiment is in a staggered form, as shown in fig. 10:

the catheter of this embodiment sets up first breach and second breach at the interval in circumference, and first breach and second breach set up along the full length of catheter, and the antiseptic solution is accomodate the pipe and is included the first body 34 with first breach gomphosis and the second body 35 with the second breach gomphosis, and continuous setting or the water seepage membrane I that is provided with infiltration outside the catheterization pipe in the first body is interrupted, and the second body is interior to be provided with the water seepage membrane II that seeps water outside the catheterization pipe. Therefore, the first pipe body and the water seepage film I form an inner seepage channel, the second pipe body and the water seepage film II form an outer seepage channel, and certainly, in order to realize the flow of the disinfectant, the first pipe body and the water seepage film I need to be communicated through the connecting pipe 37. The staggered structure is not laminated, so the thickness in the radial direction is thinner, and the urine permeability is relatively better.

As the improvement of this embodiment, first body and second body adopt impervious material to make like rubber, plastics etc. so for the inside and outside space that is mutually independent of catheter, urine can not infiltrate into human urinary tract and produce the pollution, more can not flow out the genitals and cause secondary pollution to external environment, make the drainage cleaner.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, for example, the disinfection structure in the present case is provided in plurality, as shown in fig. 11, which should be covered in the scope of the claims of the present invention.

Claims (10)

1. A urinary catheterization device, characterized in that: comprises a catheter, a liquid storage bag, a fixing structure and a disinfection structure which are arranged on the catheter,

the urinary catheter is a section of hollow tube, the hollow channel of the hollow tube is a urinary catheter channel, one end of the hollow tube is provided with a water inlet connector communicated with the urinary catheter channel, the water inlet connector is a smooth sphere, the smooth sphere is provided with a plurality of water inlets, the other end of the hollow tube is provided with a water outlet connector communicated with the urinary catheter channel, the inner wall of the water outlet connector is provided with internal threads fixedly connected with the liquid storage bag,

the fixing structure comprises a fixing air bag and a manual air adding bag, the fixing air bag is annularly arranged on the outer surface of one end of the water inlet connector, the manual air adding bag is arranged at one end of the water outlet connector and is communicated with the fixing air bag through an air passage arranged in the catheter,

the disinfection structure comprises a disinfectant containing pipe and a liquid inlet, the disinfectant containing pipe is continuously arranged along the catheter, the disinfectant containing pipe is communicated with the disinfectant containing pipe, the disinfectant containing pipe can seep disinfectant into the catheter and can seep disinfectant out of the catheter, the liquid inlet is arranged at one end of the water outlet connector,

deposit the top intercommunication of liquid bag and be provided with the water conservancy diversion head, the surface of water conservancy diversion head be provided with internal thread screw-thread fit's external screw thread, it is sealed that the play water connector internal fixation has the leak protection, the overhead impaling that is provided with of water conservancy diversion the sealed intercommunication awl point of leak protection, the intercommunication awl point has the urine passageway and the urine entry that the liquid bag inner chamber was deposited in the intercommunication, and the plane at urine entry place is the contained angle setting with the urine passageway, and the back is screwed to water conservancy diversion head and play water connector, and the minimum of urine entry is less than the sealed top plane of leak protection, deposit the stereoplasm container that the liquid bag was made for adopting plastic material or metal material.

2. The urinary catheterization device of claim 1, wherein: the utility model discloses a catheter, including catheter, antiseptic solution storage pipe, catheter, isolation film, infiltration membrane I, infiltration membrane II, the infiltration membrane II that is provided with outside the catheterization outside the pipe is provided with in the catheterization pipe along its full length, the antiseptic solution is accomodate the pipe and is followed the body of breach gomphosis, be provided with the barrier film in the body, the barrier film separates the inner chamber of body for two independent spaces, and the space that is close to the catheterization pipe axis is interior infiltration passageway, and the space of keeping away from the catheterization pipe axis is outer infiltration passageway, interior infiltration passageway is interior to set up in succession or to be interrupted the infiltration membrane I.

3. The urinary catheterization device of claim 1, wherein: the catheter is at the interval setting first breach and second breach in circumference, first breach and second breach set up along the full length of catheter, the antiseptic solution accomodate the pipe include with the first body of first breach gomphosis and with the second body of second breach gomphosis, continuous setting or the water seepage membrane I that is provided with infiltration in the catheterization pipe in the first body, it is provided with the water seepage membrane II that seeps water outside the catheterization pipe to be interrupted in the second body.

4. The urinary catheterization device of claim 2 or 3, characterized in that: the water seepage film I and the water seepage film II are porous plastic films or cotton cloth.

5. The urinary catheterization device of claim 2, wherein: the pipe body and the isolating membrane are made of waterproof materials.

6. The urinary catheterization device of claim 3, wherein: the first pipe body and the second pipe body are made of waterproof materials.

7. The urinary catheterization device of claim 1, wherein: an exhaust device is arranged on the liquid storage bag and is a bag body with cracks, and the bag body is arranged on the top of the liquid storage bag in an inverted shape.

8. The urinary catheterization device of claim 1, wherein: the liquid level sensor is arranged in the liquid storage bag, and the alarm device comprises a water level sensor arranged in the liquid storage bag and a loudspeaker arranged outside the liquid storage bag and communicated with the water level sensor.

9. The urinary catheterization device of claim 1, wherein: the outer surface of one end, far away from the water inlet connector, of the fixed air bag is provided with a plurality of anti-skidding convex edges.

10. The urinary catheterization device of claim 1, wherein: the fixing structure further comprises a plurality of adhesive tapes fixed on the outer surface of the catheter at intervals, and a protective film is arranged on each adhesive tape.

Images