CN216823461U - Double-cavity urodynamics pressure measuring catheter - Google Patents

Abstract

The utility model discloses a double-cavity urodynamics pressure measuring catheter, which comprises an inner tube, an outer tube sleeved outside the inner tube, an annular cavity arranged between the inner tube and the outer tube, an adapter connected with a first end of the inner tube, a water injection tube and a pressure measuring tube connected with the adapter, a gas injection tube arranged at the first end of the outer tube and communicated with the outer tube, and a gas bag arranged at the second end of the outer tube and communicated with the outer tube, wherein the first end of the outer tube is fixedly connected with the outer wall surface of the first end of the inner tube in a sealing way, the second end of the outer tube is fixedly connected with the outer wall surface of the second end of the inner tube in a sealing way, the second end of the adapter is provided with a first connecting nozzle which can be inserted into the inner tube and is connected with the water injection tube in a sealing way, and a third connecting nozzle which can be inserted into the pressure measuring tube and is connected with the pressure measuring tube in a sealing way, a communicating cavity for communicating the first connecting nozzle, the second connecting nozzle and the third connecting nozzle is formed in the adapter.

Description

Double-cavity urodynamics pressure measuring catheter

Technical Field

The utility model relates to the field of medical treatment, in particular to a double-cavity urodynamics pressure measuring catheter.

Background

Urodynamics is based on the principle of fluid mechanics, and uses electrophysiological methods and sensor technology to study the physiological processes of urine storage and urination and their dysfunction. It is classified into upper urinary tract urodynamics and lower urinary tract urodynamics according to the examination method. The examination technique of urodynamics of the lower urinary tract is well established and becomes a routine examination item for clinical work in urology surgery, and the contents include free urine flow rate measurement, bladder pressure volume measurement (CMG), pressure flow rate measurement during urination (P-Q diagram), urethral pressure distribution measurement (UPP), urination urethral pressure distribution Measurement (MUPP), leak point pressure measurement (LPP), external sphincter Electromyography (EMG), urination bladder urethrography, various synchronous multipass measurements, imaging urodynamics examination and dynamic urodynamics measurement (Holter). Through the examination, the comprehensive judgment and treatment suggestion combining the functions and the forms of the bladder urethra and the related innervation are provided in combination with clinical findings.

In the bladder pressure measurement process, because the currently used bladder pressure measurement tube lacks a proper fixing device, once the bladder contracts, the pressure is increased, and the condition that the bladder pressure measurement tube slides outwards is easily caused, so that the detection failure is caused, a large amount of time is wasted, and the pain of a testee is increased.

SUMMERY OF THE UTILITY MODEL

The present invention addresses the above-described deficiencies of the prior art by providing a dual lumen urodynamic pressure catheter.

The technical scheme adopted by the utility model for solving the technical problems is as follows: construct a dual-chamber urodynamics pressure-measuring catheter, which comprises an inner tube, an outer tube sleeved outside the inner tube, an annular cavity between the inner tube and the outer tube, an adapter connected with a first end of the inner tube, a water injection tube and a pressure-measuring tube connected with the adapter, a gas injection tube arranged at the first end of the outer tube and communicated with the outer tube, a gas bag arranged at the second end of the outer tube and communicated with the outer tube, the first end of the outer tube is fixedly connected with the outer wall surface of the first end of the inner tube in a sealing way, the second end of the outer tube is fixedly connected with the outer wall surface of the second end of the inner tube in a sealing way, the second end of the adapter is provided with a first connecting nozzle which can be inserted into the inner tube and is connected with the inner tube in a sealing way, and a third connecting nozzle which can be inserted into the pressure-measuring tube and is connected with the pressure-measuring tube in a sealing way, be equipped with the intercommunication chamber that communicates this first connecting nozzle, second connecting nozzle and third connecting nozzle in this adapter, be equipped with on this gas injection pipe and seal the first sealed lid that covers this gas injection pipe open end, be equipped with on this water injection pipe and seal the second sealed lid that covers this water injection pipe open end, be equipped with on this pressure-measuring pipe and seal the third sealed lid that covers this pressure-measuring pipe open end.

In the dual-chamber urodynamic manometry catheter, the outer tube comprises a first tube body and a second tube body, the air bag is fixedly connected between the first tube body and the second tube body and is communicated with the first tube body, the air injection tube is arranged on the first tube body and is communicated with the first tube body, the first end of the first tube body is fixedly connected with the first end of the inner tube in a sealing manner, the second end of the first tube body is connected with and communicated with the first end of the air bag, and the second tube body is fixedly connected with the second end of the inner tube in a sealing manner and is connected with the second end of the air bag.

In the dual lumen urodynamic pressure catheter of the present invention, the first tube, the second tube and the balloon are integrally formed of a plastic or rubber material.

In the dual-cavity urodynamics manometric catheter, the first sealing cover is connected to the gas injection pipe through a first connecting piece, the second sealing cover is connected to the water injection pipe through a second connecting piece, and the third sealing cover is connected to the manometric pipe through a third connecting piece.

In the double-cavity urodynamics pressure measuring catheter, the communicating cavity is a Y-shaped communicating cavity, a first cavity of the Y-shaped communicating cavity is communicated with the first connecting nozzle, a second cavity of the Y-shaped communicating cavity is communicated with the second connecting nozzle, and a third cavity of the Y-shaped communicating cavity is communicated with the third connecting nozzle.

The double-cavity urodynamics manometry catheter has the following beneficial effects: when the double-cavity urodynamics pressure measuring catheter is used, the inner tube and the outer tube can be simultaneously inserted into a urethra, gas is injected into an annular cavity between the inner tube and the outer tube through the gas injection tube, the gas enters the air bag along the annular cavity, the air bag is inflated to expand the air bag, the catheter is slightly pulled outwards until resistance is sensed, and the fact that the catheter is put in place is proved, and the first sealing cover is used for tightly covering the gas injection tube. The third sealing cover covers the pressure measuring pipe, the second sealing cover is opened, physiological saline is injected into the inner pipe through the water injection pipe, after the liquid injection is completed, the second sealing cover is used for covering the water injection pipe, the third sealing cover is opened, the pressure measuring pipe is connected with the pressure measuring device, and the urine dynamic detection can be carried out. After the detection is finished, the air injection pipe is opened, the air in the air bag is pumped out, and the catheter can be taken out from the urethra. In this application, through setting up the double-deck body of inner tube and outer tube, form the liquid passage that can supply the liquid circulation in the inner tube, form the gas passage that can supply the gas circulation between inner tube and outer tube for but mutual noninterference mutually coordinates has improved detection efficiency and convenience.

Drawings

The utility model will be further described with reference to the following drawings and examples, in which:

FIG. 1 is a schematic view of the construction of a dual lumen urodynamic pressure catheter of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, in the first embodiment of the dual-lumen urodynamic pressure measuring catheter of the present invention, the catheter 1 comprises an inner tube 2, an outer tube 3 sleeved outside the inner tube 2, an annular cavity 4 located between the inner tube 2 and the outer tube 3, an adapter 5 connected to a first end of the inner tube 2, a water injection tube 6 and a pressure measuring tube 7 connected to the adapter 5, a gas injection tube 8 disposed at a first end of the outer tube 3 and communicated with the outer tube 3, and an air bag 9 disposed at a second end of the outer tube 3 and communicated with the outer tube 3, wherein a first end of the outer tube 3 is fixedly connected to an outer wall surface of a first end of the inner tube 2 in a sealing manner, a second end of the outer tube 3 is fixedly connected to an outer wall surface of a second end of the inner tube 2 in a sealing manner, a second end of the adapter 5 is provided with a first connection nozzle 10 capable of being inserted into the inner tube 2 and connected to the inner tube 2 in a sealing manner, a second connection nozzle 11, a first end of the adapter 5 is inserted into the water injection tube 6 and connected to the water injection tube 6 in a sealing manner, And can insert to this pressure-measuring pipe 7 in and with this pressure-measuring pipe 7 sealing connection's third connector 12, be equipped with this first connector 10 of intercommunication in this adapter 5, the intercommunication chamber 14 of second connector 11 and third connector 12, be equipped with on this gas injection pipe 8 and seal the first sealed lid 15 that covers this 8 open ends of gas injection pipe, be equipped with on this 6 water injection pipe and seal the lid 16 of the second that covers this 6 open ends of water injection pipe, be equipped with on this pressure-measuring pipe 7 and seal the lid 17 of the third that covers this 7 open ends of pressure-measuring pipe.

When the double-cavity urodynamics manometric catheter 1 is used, the inner tube 2 and the outer tube 3 can be simultaneously inserted into a urethra, gas is injected into the annular cavity 4 between the inner tube 2 and the outer tube 3 through the gas injection tube 8, the gas enters the air bag 9 along the annular cavity 4, the air bag 9 is inflated to expand the air bag 9, the catheter 1 is slightly pulled outwards until resistance is felt, the catheter 1 is proved to be put in place, and the gas injection tube 8 is tightly covered by the first sealing cover 15. Cover pressure-measuring pipe 7 with third sealed lid 17, open second sealed lid 16 to inject normal saline into inner tube 2 through water injection pipe 6, after annotating the liquid and accomplish, use second sealed lid 16 to cover water injection pipe 6, open third sealed lid 17, be connected pressure-measuring pipe 7 with the pressure measurement device, can carry out urine dynamic detection. After the detection is finished, the gas injection pipe 8 is opened, and the gas in the air sac 9 is pumped out, so that the catheter 1 can be taken out of the urethra. In this application, through setting up the double-deck body of inner tube 2 and outer tube 3, form the liquid passage that can supply the liquid circulation in inner tube 2, but form the gas passage who supplies the gas circulation between inner tube 2 and outer tube 3 for but mutual interference mutually is being mutually supported, has improved detection efficiency and convenience.

In this embodiment, the outer tube 3 includes a first tube and a second tube, the airbag 9 is fixedly connected between the first tube and the second tube and is communicated with the first tube, the gas injection tube 8 is disposed on the first tube and is communicated with the first tube, a first end of the first tube is fixedly connected to a first end of the inner tube 2 in a sealing manner, a second end of the first tube is connected to and communicated with a first end of the airbag 9, and a second end of the second tube is fixedly connected to a second end of the inner tube 2 in a sealing manner and is connected to a second end of the airbag 9.

Preferably, the first and second tubes and the bladder 9 are integrally formed of a plastics or rubber material.

Further, the first sealing cover 15 is connected to the gas injection pipe 8 by a first connecting member, the second sealing cover 16 is connected to the water injection pipe 6 by a second connecting member, and the third sealing cover 17 is connected to the pressure measuring pipe 7 by a third connecting member.

Further, the communicating cavity 14 is a "Y" shaped communicating cavity 14, a first cavity of the "Y" shaped communicating cavity 14 is communicated with the first connecting nozzle 10, a second cavity of the "Y" shaped communicating cavity 14 is communicated with the second connecting nozzle 11, and a third cavity of the "Y" shaped communicating cavity 14 is communicated with the third connecting nozzle 12.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims (5)

1. The utility model provides a two-chamber urodynamics pressure measurement pipe, a serial communication port, the pipe includes that inner tube, cover are located outer tube of inner tube outside, be located annular cavity between inner tube and the outer tube, with the adapter that the first end of inner tube is connected, with water injection pipe and pressure-measuring pipe that the adapter is connected, set up in the first end of outer tube and with the gas injection pipe of outer tube intercommunication, set up in the outer tube second end with the gasbag of outer tube intercommunication, the first end of outer tube tip with the outer wall sealing fixed connection of the first end tip of inner tube, the outer tube second end tip with the outer wall sealing fixed connection of inner tube second end tip, adapter second end be equipped with can insert to in the inner tube and with the first coupling nozzle of inner tube sealing connection, the first end of adapter be equipped with can insert to in the water injection pipe and with water injection pipe sealing connection's second coupling nozzle, And can insert extremely in the piezometer tube and with piezometer tube sealing connection's third connection mouth, be equipped with the intercommunication in the adapter the intercommunication chamber of first connection mouth, second connection mouth and third connection mouth, be equipped with on the gas injection pipe and seal up the cover the first sealed lid of gas injection pipe open end, be equipped with on the water injection pipe and seal up the cover the second of water injection pipe open end seals up the lid, be equipped with on the piezometer tube and seal up the cover the sealed lid of third of piezometer tube open end.

2. The dual lumen urodynamic pressure catheter of claim 1, wherein the outer tube includes a first tube and a second tube, the balloon is fixedly coupled between and in communication with the first tube, the gas injection tube is disposed on and in communication with the first tube, the first tube first end is fixedly coupled to the inner tube first end in a sealed manner, the first tube second end is coupled to and in communication with the balloon first end, and the second tube is fixedly coupled to the inner tube second end in a sealed manner and in communication with the balloon second end.

3. The dual lumen urodynamic pressure catheter of claim 2, wherein the first tube, the second tube and the balloon are integrally formed of a plastic or rubber material.

4. The dual lumen urodynamic pressure measurement catheter of claim 1, wherein the first sealing cap is connected to the gas injection tube by a first connector, the second sealing cap is connected to the water injection tube by a second connector, and the third sealing cap is connected to the pressure measurement tube by a third connector.

5. The dual lumen urodynamic pressure measurement catheter of claim 1, wherein the communicating lumen is a "Y" shaped communicating lumen, a first lumen of the "Y" shaped communicating lumen is communicated with the first connecting nozzle, a second lumen of the "Y" shaped communicating lumen is communicated with the second connecting nozzle, and a third lumen of the "Y" shaped communicating lumen is communicated with the third connecting nozzle.

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