CN103893839B - The anti-blocking o urethral catheterization device of pressure measurement noinvasive - Google Patents

The anti-blocking o urethral catheterization device of pressure measurement noinvasive Download PDF

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Publication number
CN103893839B
CN103893839B CN201410082126.8A CN201410082126A CN103893839B CN 103893839 B CN103893839 B CN 103893839B CN 201410082126 A CN201410082126 A CN 201410082126A CN 103893839 B CN103893839 B CN 103893839B
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China
Prior art keywords
conduit
module
air bag
noinvasive
blocking
Prior art date
Application number
CN201410082126.8A
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Chinese (zh)
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CN103893839A (en
Inventor
孙传政
杨广益
杨明施
金龙玉
肖雪飞
刘怀政
廖亮侃
Original Assignee
中南大学湘雅三医院
孙传政
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Priority to CN201410082126.8A priority Critical patent/CN103893839B/en
Publication of CN103893839A publication Critical patent/CN103893839A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0017Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M2025/0056Catheters; Hollow probes characterised by structural features provided with an antibacterial agent, e.g. by coating, residing in the polymer matrix or releasing an agent out of a reservoir
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • A61M2025/1043Balloon catheters with special features or adapted for special applications
    • A61M2025/109Balloon catheters with special features or adapted for special applications having balloons for removing solid matters, e.g. by grasping or scraping plaque, thrombus or other matters that obstruct the flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3344Measuring or controlling pressure at the body treatment site

Abstract

The invention discloses the anti-blocking o urethral catheterization device of a kind of pressure measurement noinvasive, it comprises conduit, cystometry module, internal urethral orifice blocks module, noinvasive air bag module, diluent liquid injection module, sterilize module, urine storage module and anti-blocking urethral catheterization module; Smart structural design of the present invention, rationally, utilize negative-pressure suction principle, when having the foreign body such as a small amount of blood clot to produce at intravesical still can drain out, effective guarantee urethral catheterization drainage effect, during indwelling catheter, intuitively understand intravesical pressure condition by cystometry module, understand the effect of urethral catheterization drain and the unobstructed situation of drainage channel in real time; Noinvasive air bag module is coated on conduit, can realize vacuum suction function and can alleviate again urethral catheterization operation misery; Sterilization module can regularly carry out disinfection to the conduit of indwelling, and greatly reduce the caused incidence rate infected of inlying catheter, the safety that guarantee uses, extends effective indwelling time, reduces the frequency changing catheter, greatly the misery of Economy type medicine cost and minimizing patient.

Description

The anti-blocking o urethral catheterization device of pressure measurement noinvasive
Technical field
The present invention relates to technical field of medical instruments, be specifically related to the anti-blocking o urethral catheterization device of a kind of pressure measurement noinvasive.
Background technology
Hematuria is the common sympton of Urology Surgery patient, as urinary system calculus, tumor, wound etc., when amount of bleeding is large, hematuria concentration is high, urine easily forms clottage urinary tract in intravesical retention, causes acute renal failure threat to life, often needs emergency operation to remove clot.Therefore clinical once there is a large amount of hematuria, often need emergency treatment positive treatment.
Although there is the medical device product of some blockage resisting catheters at present, implement and be not easy, effect is also imprecise, as current clinical employing three-cavity catheter carries out irrigation and drainage, diluted urine after injecting bladder with normal saline from inlet channel, drained by outflow conduit, intravesical blood clot can be avoided to a certain extent to be formed, but Clinical practice remains in problems: (1) three-cavity catheter drain power is mainly derived from intravesical pressure, pressure is relatively little, and the tube chamber of drainage tube is limited, very easily tube chamber is blocked when intravesical exists blood clot, need medical personnel's Reusability irrigation with syringe, sometimes a few minutes just need medical worker to rinse once, greatly increase medical worker's workload, waste medical resource, (2) vacuum suction can increase drain pressure and strengthen drainage effect, but Clinical practice drainage tube quality is soft at present, connects negative pressure and often makes tube wall sunken, can not realize, (3) the catheter product of Clinical practice can not demonstrate intravesical pressure situation at present, and can not perception abdominal distention patient for some comatose patients, often need the regular close observation of medical worker ultrasound diagnosis understanding intravesical drainage effect even repeatedly, same increase medical worker workload, waste medical resource, (4) clinical part patient needs Preserving time catheter, but uses catheter often to need periodic replacement for avoiding infection at present, increases patient undoubtedly painful, waste medical resource.
Therefore, it is effective to research and develop a kind of urethral catheterization, and can Real Time Observation to intravesical pressure information, be directly acquainted with drainage effect, the urine drainage system little to sufferer wound become clinical urgently needed for.
Summary of the invention
For above-mentioned deficiency, the object of the invention is to, a kind of smart structural design, is rationally provided, easy to operate, intravesical pressure condition can be directly acquainted with in real time, and avoid occurring that blood clot blocks, urethral catheterization is effective, effectively alleviates the anti-blocking o urethral catheterization device of pressure measurement noinvasive that urethral catheterization operation is painful.
For achieving the above object, technical scheme provided by the present invention is: the anti-blocking o urethral catheterization device of a kind of pressure measurement noinvasive, and it comprises:
The conduit be made up of hard material, the front end of this conduit is provided with urine entrance, and tail end is provided with urine outlet; The structural strength of the conduit be made up of hard material is higher;
Cystometry module, this cystometry module is connected with described conduit, for monitoring the internal pressure of the bladder that this conduit inserts;
Internal urethral orifice blocks module, and this internal urethral orifice blocks module and is arranged on described conduit, for the gap between shutoff urethra and conduit outer wall, makes the inner space of described bladder form closed space, avoids urine extravasation;
Noinvasive air bag module, this noinvasive air bag module is coated on described conduit, to form the skin of one deck softness on the outer wall of this conduit, avoids because of the injury of urethra caused by pipe friction or long period compressing;
Diluent liquid injection module, this diluent liquid injection module is connected with described conduit, for past described Intravesical administration diluent;
Sterilization module, this sterilization module is connected with conduit, for toward intra-urethral injection disinfectant solution, plays bactericidal action in urethra;
Urine storage module, this liquid container is connected with the urine outlet of conduit, for the liquid that splendid attire flows out through conduit;
Anti-blocking urethral catheterization module, this anti-blocking urethral catheterization module is connected with conduit, forms negative pressure for making in conduit, the blood clot suction catheter be blocked on the urine entrance of this conduit and/or make is blocked in the blood clot flowing in this conduit, and is drained to urine storage module.
As a modification of the present invention, described cystometry module comprises air bag bead, air bag air flue, connect display tube and pressure indicator board, described air bag bead is arranged on the front end face center at the insertion position of described conduit, described air bag air flue inlays on the tube wall of conduit, and one end of this air bag air flue is connected with described air bag bead, described connection display tube is arranged on pressure indicator board, and one end of this connection display tube is closed, and accommodate a certain amount of coloured liquid, the other end of this connection display tube is connected with the other end of described air bag air flue, wherein air bag air flue be connected the diameter of display tube all≤initial diameter of 1/3 air bag bead.
As a modification of the present invention, described internal urethral orifice blocks module and comprises internal urethral orifice blocking-up air bag, block air flue and block interface, described internal urethral orifice blocks air bag and is arranged in the front position of described conduit, described urine entrance blocks on the position between air bag at described air bag bead and this internal urethral orifice, described blocking-up interface is arranged on the afterbody of described conduit, described blocking-up air flue inlays on the tube wall of this conduit, and the embedding one end of this blocking-up air flue and described internal urethral orifice block airbags connects, the other end is connected with described blocking-up interface.
As a modification of the present invention, described noinvasive air bag module comprises urethra noinvasive air bag and urethra noinvasive interface, this urethra noinvasive interface is arranged on the afterbody of described conduit, multiple urethra noinvasive air bag is coated on the stem outer wall of this conduit along the axial interval successively of described urethra, and be connected with described urethra noinvasive interface by urethra noinvasive air flue, this urethra noinvasive air flue inlays on the tube wall of this conduit.
As a modification of the present invention, the quantity of described urethra noinvasive air bag is 3 ~ 10.
As a modification of the present invention, described sterilization module comprises disinfectant solution outlet, disinfectant solution passage and disinfectant solution interface, this disinfectant solution interface is arranged on the afterbody of described conduit, described disinfectant solution outlet adjoins position between urethra noinvasive air bag biphase, described disinfectant solution passage inlays on the tube wall of this conduit, and one end of this disinfectant solution passage is connected with described disinfectant solution interface, the other end is connected with described disinfectant solution interface.
As a modification of the present invention, described diluent liquid injection module comprises diluent liquid passage and diluent interface, described diluent interface is arranged on the afterbody of described conduit, described diluent liquid passage inlays on the tube wall of this conduit, and one end of this diluent liquid passage is connected with described diluent interface, the other end stretches out the outlet of formation one diluent liquid from the front end of described conduit.
As a modification of the present invention, described urine storage module comprises urine container and derives check valve, and the opening of described urine container is connected with described conduit by deriving check valve.
As a modification of the present invention, described anti-blocking urethral catheterization module comprises negative pressure gasbag, air bag connecting leg, outgassing nonreturn valve and breather cheek valve, the tail end of described conduit is provided with opening and forms described urine outlet, described negative pressure gasbag is provided with gas outlet and air entry, described outgassing nonreturn valve is arranged on gas outlet, described air entry is connected with described air bag connecting leg one end, and the other end of this air bag connecting leg is connected with the described urine outlet that is connected by described breather cheek valve.
Beneficial effect of the present invention is: smart structural design of the present invention, rationally, utilize negative-pressure suction principle, when having the foreign body such as a small amount of blood clot to produce at intravesical still can drain out, effective guarantee urethral catheterization drainage effect, namely when conduit is by foreign matters from being blockeds such as fritter blood clots, only needing the other entourage of bed to extrude negative pressure gasbag just can the foreign body such as the blood clot that blocks of sucking-off smoothly, urethral catheterization is effective, sufferer is not only made to avoid the misery being subject to repeatedly to plug catheter manipulation, also greatly reduce medical worker workload, save medical resources and medical treatment cost.Be provided with cystometry module, because the air bag air flue of cystometry module is less with the diameter being connected display tube, so the smaller size smaller that the pressure measurement bead that pressure measurement bead causes due to intravesical pressure occurs changes, can cause and connect display tube liquid level comparatively significant change; In use, intuitively understand intravesical pressure condition by perusal pressure indicator board, understand the effect of urethral catheterization drain in real time.Conduit adopts hard material to make, there is higher structural strength, be unlikely to that tube wall occurs when connecing negative pressure sunken, and on the coated conduit of noinvasive air bag module, to form the skin of one deck softness on the outer wall of this conduit, the sense of discomfort that vacuum suction function reduces Catheter in Patients device simultaneously can be realized, effectively alleviate urethral catheterization and operate the misery brought to patient.Regularly can also be carried out disinfection by sterilization module, the caused incidence rate infected of reduction indwelling catheter, adds the safety of use, extends effective indwelling time, reduce the frequency changing catheter greatly, greatly Economy type medicine cost and the misery alleviating patient.In addition, overall structure of the present invention is simple, and be easy to manufacture, cost is low, is beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional structure schematic diagram of conduit A-A in Fig. 1.
Detailed description of the invention
See Fig. 1 and Fig. 2, the anti-blocking o urethral catheterization device of a kind of pressure measurement noinvasive that the present embodiment provides, it comprises: conduit 1, cystometry module 2, internal urethral orifice block module 3, noinvasive air bag module 4, diluent liquid injection module 5, sterilization module 6, urine storage module 7 and anti-blocking urethral catheterization module 8.
Described conduit 1 is made up of hard material, and structural strength is higher; The front end of this conduit 1 is provided with urine entrance 11, and tail end is provided with urine outlet; Described cystometry module 2 is connected with described conduit 1, for monitoring the internal pressure of the bladder that this conduit 1 inserts; Described internal urethral orifice blocks module 3 and is arranged on described conduit 1, for the gap between shutoff urethra and conduit 1 outer wall, makes the inner space of described bladder form closed space, avoids urine extravasation; Described noinvasive air bag module 4 is coated on described conduit 1, to form the skin of one deck softness on the outer wall of this conduit 1, avoids because of the injury of urethra caused by pipe friction or long period compressing; Described diluent liquid injection module 5 is connected with described conduit 1, for past described Intravesical administration diluent; Described sterilization module 6 is connected with conduit 1, for toward intra-urethral injection disinfectant solution, plays bactericidal action in urethra; Described liquid container is connected with the urine outlet of conduit 1, for the liquid that splendid attire flows out through conduit 1; Described anti-blocking urethral catheterization module 8 is connected with conduit 1, forms negative pressure for making in conduit 1, the blood clot flowing blood clot suction catheter 1 be blocked on the urine entrance 11 of this conduit 1 and/or make be blocked in this conduit 1, and is drained to urine storage module 7.
Concrete, described cystometry module 2 comprises air bag bead 21, air bag air flue 22, connect display tube 23 and pressure indicator board 24, described air bag bead 21 is arranged on the front end face center at the insertion position of described conduit 1, described air bag air flue 22 inlays on the tube wall of conduit 1, and one end of this air bag air flue 22 is connected with described air bag bead 21, described connection display tube 23 is arranged on pressure indicator board 24, and one end of this connection display tube 23 is closed, and accommodate a certain amount of coloured liquid, the other end of this connection display tube 23 is connected with the other end of described air bag air flue 22, wherein air bag air flue be connected the diameter of display tube all≤initial diameter of 1/3 air bag bead.Pressure indicator board 24 is labeled with different zone, the length variations of coloured liquid can be observed to understand the situation of change of bladder internal pressure, thus learn bladder internal pressure size, can be more intuitively by the classification color instruction of different zone, and can intravesical pressure be carried out observing and understanding Continuous Observation, avoid repeatedly loaded down with trivial details traditional cystometry process, Economy type medicine cost.Even non-medical staff still can directly judge, facilitate layman's such as attending family immediately to note abnormalities, can carry out record for intravesical pressure, provide the clinical data source on basis, the sufferer that this cystometry module 2 pairs of minds are owed clear is particularly important.
Described internal urethral orifice blocks module 3 and comprises internal urethral orifice blocking-up air bag 31, block air flue 32 and block interface 33, described internal urethral orifice blocks air bag 31 and is arranged in the front position of described conduit 1, described urine entrance 11 blocks on the position between air bag 31 at described air bag bead 21 and this internal urethral orifice, described blocking-up interface 33 is arranged on the afterbody of described conduit 1, described blocking-up air flue 32 inlays on the tube wall of this conduit 1, and the embedding one end of this blocking-up air flue 32 blocks air bag 31 with described internal urethral orifice is connected, the other end is connected with described blocking-up interface 33.During inflation, internal urethral orifice blocks air bag 31 and expands, and is slowly filled up in the gap between urethra and conduit 1 outer wall, makes the inner space of bladder form closed space.
Described noinvasive air bag module 4 comprises urethra noinvasive air bag 41 and urethra noinvasive interface 42, this urethra noinvasive interface 42 is arranged on the afterbody of described conduit 1, multiple urethra noinvasive air bag 41 is coated on the stem outer wall of this conduit 1 along the axial interval successively of described urethra, and be connected with described urethra noinvasive interface 42 by urethra noinvasive air flue 43, this urethra noinvasive air flue 43 inlays on the tube wall of this conduit 1.Urethra noinvasive air bag 41 is coated on described conduit 1, and maintains that to have certain air pressure inside to realize conduit 1 relatively fixing in endo-urethral position, has gap, be convenient to arrange disinfectant solution outlet between urethra noinvasive air bag 41 and urethra noinvasive air bag 41.Disinfectant solution flowed out from biphase adjoining between urethra noinvasive air bag 41, and germicidal efficiency is better.In the present embodiment, the quantity of described urethra noinvasive air bag 41 is preferably five, good stability, also has comparatively multiposition to be used for arranging disinfectant solution outlet, promotes bactericidal effect.Other embodiment, the quantity of this urethra noinvasive air bag 41 can be 3 ~ 10, as 3,4,6 or more.
Described sterilization module 6 comprises disinfectant solution outlet, disinfectant solution passage 61 and disinfectant solution interface 62, this disinfectant solution interface 62 is arranged on the afterbody of described conduit 1, described disinfectant solution outlet adjoins position between urethra noinvasive air bag 41 biphase, described disinfectant solution passage 61 inlays on the tube wall of this conduit 1, and one end of this disinfectant solution passage 61 is connected with described disinfectant solution interface 62, the other end is connected with described disinfectant solution interface 62.Regularly can be carried out disinfection to the conduit 1 of indwelling by sterilization module 6, greatly reduce the caused incidence rate infected of inlying catheter 1, ensure the safety used, extend indwelling time.
Described diluent liquid injection module 5 comprises diluent liquid passage 51 and diluent interface 52, described diluent interface 52 is arranged on the afterbody of described conduit 1, described diluent liquid passage 51 inlays on the tube wall of this conduit 1, and one end of this diluent liquid passage 51 is connected with described diluent interface 52, the other end stretches out the outlet of formation one diluent liquid from the front end of described conduit 1.Can inject module 5 to Intravesical administration diluent by diluent liquid, diluted urine is convenient to drain, also reduces the formation of the foreign bodies such as blood clot simultaneously, and then promotes drain urethral catheterization effect.
Described urine storage module 7 comprises urine container 71 and derives check valve 72, and the opening of described urine container 71 is connected with described conduit 1 by deriving check valve 72.Under the effect of deriving check valve 72, the urine in conduit 1 only can flow into urine container 71, and the urine in urine container 71 can not oppositely flow back to conduit 1.
Described anti-blocking urethral catheterization module 8 comprises negative pressure gasbag 81, air bag connecting leg 82, outgassing nonreturn valve 83 and breather cheek valve 84, the tail end of described conduit 1 is provided with opening and forms described urine outlet, described negative pressure gasbag 81 is provided with gas outlet and air entry, described outgassing nonreturn valve 83 is arranged on gas outlet, described air entry is connected with described air bag connecting leg 82 one end, and the other end of this air bag connecting leg 82 is connected with the described urine outlet that is connected by described breather cheek valve 84.During extruding negative pressure gasbag 81, breather cheek valve 84 self-closed, and outgassing nonreturn valve 83 is opened automatically, discharge the gas in negative pressure gasbag 81, unclamp negative pressure gasbag 81, negative pressure gasbag 81 is under the deformation elastic force effect of self, slowly resile, at this moment, outgassing nonreturn valve 83 self-closed, and breather cheek valve 84 is opened automatically, suction is produced to suction pipe, the blood clot suction catheter 1 be blocked on the urine entrance 11 of this conduit 1 and/or make is blocked in the blood clot flowing in this conduit 1, and be drained to urine storage module 7, urethral catheterization is effective, sufferer is not only made to avoid the operation by repeatedly plugging conduit 1 painful, also greatly reduce medical worker's workload, save medical resources and medical treatment cost.
During use, conduit 1 is inserted bladder by per urethra, due on the coated conduit 1 of urethra noinvasive air bag 41, can form the skin of one deck softness, effectively alleviates urethral catheterization operation misery, damages little, effectively improve safety and the effectiveness of drainage procedure.
At this moment, block air bag 31 and urethra noinvasive air bag 41 air feed to internal urethral orifice respectively by blocking-up interface 33 and urethra noinvasive interface 42, internal urethral orifice blocks air bag 31 and expands, and makes the inner space of bladder form closed space; Urethra noinvasive air bag 41 air feed adaptability expands, and realizes conduit 1 relatively fixing in endo-urethral position, convenient operation.At this moment, intravesical urine enters conduit 1 through urine entrance 11, and is drained to urine container 71 through conduit 1, realizes the object of urethral catheterization.
When there is the foreign matters from being blocked urine entrances 11 such as blood clot or retention at conduit 1, negative pressure gasbag 81 can be extruded, negative-pressure suction principle is utilized to produce suction to suction pipe, and then make the blood clot suction catheter 1 that is blocked on the urine entrance 11 of this conduit 1 and/or make the blood clot flowing that is blocked in this conduit 1, and be drained to urine container 71, realize anti-blocking object.Simultaneously can also by diluent interface 52 to Intravesical administration diluent, diluted urine is convenient to drain, also reduces the formation of the foreign bodies such as blood clot simultaneously, avoids clogging, and then promotes drain urethral catheterization effect.
Regularly disinfectant solution can also be injected in addition by disinfectant solution interface 62, to sterilize to being retained in intravesical conduit 1, greatly reduce the caused incidence rate infected of inlying catheter 1, ensure the safety used, extend indwelling time, reduce the frequency changing catheter, greatly the misery of Economy type medicine cost and minimizing patient.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention.As described in the above embodiment the present invention, component same or analogous with it is adopted and other device obtained, all in scope.

Claims (9)

1. the anti-blocking o urethral catheterization device of pressure measurement noinvasive, it is characterized in that, it comprises:
The conduit be made up of hard material, the front end of this conduit is provided with urine entrance, and tail end is provided with urine outlet;
Cystometry module, this cystometry module is connected with described conduit, for monitoring the internal pressure of the bladder that this conduit inserts;
Internal urethral orifice blocks module, and this internal urethral orifice blocks module and is arranged on described conduit, for the gap between shutoff urethra and conduit outer wall, makes the inner space of described bladder form closed space;
Noinvasive air bag module, this noinvasive air bag module is coated on described conduit, to form the skin of one deck softness on the outer wall of this conduit;
Diluent liquid injection module, this diluent liquid injection module is connected with described conduit, for past described Intravesical administration diluent;
Sterilization module, this sterilization module is connected with conduit, for past intra-urethral injection disinfectant solution;
Urine storage module, this urine storage module is connected with the urine outlet of conduit, for the liquid that splendid attire flows out through conduit;
Anti-blocking urethral catheterization module, this anti-blocking urethral catheterization module is connected with conduit, forms negative pressure for making in conduit, the blood clot suction catheter be blocked on the urine entrance of this conduit and/or make is blocked in the blood clot flowing in this conduit, and is drained to urine storage module;
Described cystometry module comprises air bag bead, air bag air flue, connects display tube and pressure indicator board, described air bag bead is arranged on the front end face center at the insertion position of described conduit, described air bag air flue inlays on the tube wall of conduit, and one end of this air bag air flue is connected with described air bag bead, described connection display tube is arranged on pressure indicator board, and one end of this connection display tube is closed, and accommodating a certain amount of coloured liquid, the other end of this connection display tube is connected with the other end of described air bag air flue.
2. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 1, is characterized in that, wherein air bag air flue be connected the diameter of display tube all≤initial diameter of 1/3 air bag bead.
3. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 2, it is characterized in that, described internal urethral orifice blocks module and comprises internal urethral orifice blocking-up air bag, block air flue and block interface, described internal urethral orifice blocks air bag and is arranged in the front position of described conduit, described urine entrance blocks on the position between air bag at described air bag bead and this internal urethral orifice, described blocking-up interface is arranged on the afterbody of described conduit, described blocking-up air flue inlays on the tube wall of this conduit, and the embedding one end of this blocking-up air flue and described internal urethral orifice block airbags connects, the other end is connected with described blocking-up interface.
4. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 3, it is characterized in that, described noinvasive air bag module comprises urethra noinvasive air bag and urethra noinvasive interface, this urethra noinvasive interface is arranged on the afterbody of described conduit, multiple urethra noinvasive air bag is coated on the stem outer wall of this conduit along the axial interval successively of described urethra, and be connected with described urethra noinvasive interface by urethra noinvasive air flue, this urethra noinvasive air flue inlays on the tube wall of this conduit.
5. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 4, is characterized in that, the quantity of described urethra noinvasive air bag is 3 ~ 10.
6. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 4, it is characterized in that, described sterilization module comprises disinfectant solution outlet, disinfectant solution passage and disinfectant solution interface, this disinfectant solution interface is arranged on the afterbody of described conduit, described disinfectant solution outlet adjoins position between urethra noinvasive air bag biphase, described disinfectant solution passage inlays on the tube wall of this conduit, and one end of this disinfectant solution passage is connected with described disinfectant solution interface, and the other end exports with described disinfectant solution and is connected.
7. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 1, it is characterized in that, described diluent liquid injection module comprises diluent liquid passage and diluent interface, described diluent interface is arranged on the afterbody of described conduit, described diluent liquid passage inlays on the tube wall of this conduit, and one end of this diluent liquid passage is connected with described diluent interface, the other end stretches out the outlet of formation one diluent liquid from the front end of described conduit.
8. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 1, is characterized in that, described urine storage module comprises urine container and derives check valve, and the opening of described urine container is connected with described conduit by deriving check valve.
9. the anti-blocking o urethral catheterization device of pressure measurement noinvasive according to claim 1, it is characterized in that, described anti-blocking urethral catheterization module comprises negative pressure gasbag, air bag connecting leg, outgassing nonreturn valve and breather cheek valve, the tail end of described conduit is provided with opening and forms described urine outlet, described negative pressure gasbag is provided with gas outlet and air entry, described outgassing nonreturn valve is arranged on gas outlet, described air entry is connected with described air bag connecting leg one end, and the other end of this air bag connecting leg is connected with described urine outlet by described breather cheek valve.
CN201410082126.8A 2014-03-07 2014-03-07 The anti-blocking o urethral catheterization device of pressure measurement noinvasive CN103893839B (en)

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CN105287084B (en) * 2015-10-30 2018-01-19 李丹青 External male catheter and preparation method thereof
CN105771008B (en) * 2016-02-16 2017-12-08 青岛市市立医院 One kind is used for acute surgical operation subcutaneous inflation formula drainage support frame
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