CN204563272U

CN204563272U - Urinary catheter

Info

Publication number: CN204563272U
Application number: CN201520185139.8U
Authority: CN
Inventors: 王兆华; 王晓晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-03-31
Filing date: 2015-03-31
Publication date: 2015-08-19
Anticipated expiration: 2025-03-31

Abstract

A kind of Urinary catheter, comprises urinary drainage tube cover, is installed with the urethral catheterization guide core pipe that can relatively plug in Urinary catheter cover, and the near-end of urethral catheterization guide core pipe is in its natural state in " C " type structure.The inner side of " C " type section lateral wall of urethral catheterization guide core pipe near-end is connected with stretch bending muscle along the trend of this section of urethral catheterization guide core pipe.The medial wall of Urinary catheter cover far-end offers groove, and the lateral wall of urethral catheterization guide core pipe far-end is connected with latch closure, and after urethral catheterization guide core pipe inserts Urinary catheter cover, latch closure snaps onto in groove.Stretch bending muscle is arc in its natural state, and stretch bending muscle arc radius is in its natural state M, and " C " type section arc radius in its natural state of described urethral catheterization guide core pipe near-end is N, and M < N.Stretch bending muscle is that discrete point contact discontinuity is connected with " C " type section of urethral catheterization guide core pipe near-end.The port of urethral catheterization guide core pipe near-end is connected with inwardly curling crimping.

Description

Urinary catheter

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of Urinary catheter.

Background technology

At present, common Urinary catheter is generally made by natural rubber, silicone rubber or polrvinyl chloride (PVC), main uses is that per urethra inserts bladder so that drainage of urine, Urinary catheter is expanded spherical in shape, for fixing Urinary catheter after inserting bladder after the airbag aeration of its near-end, its near-end is made to stay intravesical, with anti-slip, the far-end of Urinary catheter connects urinal, for collecting urine.

But, for the patient of tumor of bladder or kidney ureterorrhagia, often there will be the visible components such as clot in body, thus cause Urinary catheter to block.

In order to alleviate blocked drainage tube, the basis of above-mentioned Urinary catheter just becomes after an additional irrigation channel Urinary catheter of sustainable flushing, this kind of Urinary catheter is three chamber drainage tubes in fact, continue to instill normal saline in patient body by additional irrigation channel, so that the clot in diluted urine or visible component, the main channel of Urinary catheter is used for drainage of urine, and this Urinary catheter is applicable to the patient of bladder or kidney ureterorrhagia.

But, in clinical practice uses, rinse even if continue to instill normal saline in patient body, still there will be the visible components such as clot, Urinary catheter is caused to block, in the case, medical worker carries out back flush with syringe to drainage tube, or seal wire is inserted drainage tube dredges, but operating difficulties, effect is bad, and wastes time and energy, and also can bring misery to patient.

Summary of the invention

The purpose of this utility model is to provide good, simple to operate, the easy to use Urinary catheter of a kind of drainage effect.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of Urinary catheter, comprises urinary drainage tube cover, it is characterized in that, is installed with the urethral catheterization guide core pipe that can relatively plug in Urinary catheter cover, and the near-end of urethral catheterization guide core pipe is in its natural state in " C " type structure.

According to described Urinary catheter, it is characterized in that, the inner side of " C " type section lateral wall of described urethral catheterization guide core pipe near-end is connected with stretch bending muscle along the trend of this section of urethral catheterization guide core pipe.

According to described Urinary catheter, it is characterized in that, the medial wall of described Urinary catheter cover far-end offers groove, and the lateral wall of described urethral catheterization guide core pipe far-end is connected with latch closure, after urethral catheterization guide core pipe inserts Urinary catheter cover, latch closure snaps onto in groove.

According to described Urinary catheter, it is characterized in that, described stretch bending muscle is arc in its natural state, and stretch bending muscle arc radius is in its natural state M, " C " type section arc radius in its natural state of described urethral catheterization guide core pipe near-end is N, and M < N.

According to described Urinary catheter, it is characterized in that, described stretch bending muscle is that discrete point contact discontinuity is connected with " C " type section of described urethral catheterization guide core pipe near-end.

According to described Urinary catheter, it is characterized in that, the port of described urethral catheterization guide core pipe near-end is connected with inwardly curling crimping.

According to described Urinary catheter, it is characterized in that, " C " type section sidewall of described urethral catheterization guide core pipe near-end offers pod apertures, and pod apertures is dislocatedly distributed along the sidewall upper and lower, left and right of urethral catheterization guide core pipe.

According to described Urinary catheter, it is characterized in that, described stretch bending muscle arc radius M is in its natural state 7-12mm, and " C " type section arc radius N in its natural state of described urethral catheterization guide core pipe near-end is 8-15mm.

According to described Urinary catheter, it is characterized in that, described stretch bending muscle arc radius M is in its natural state 9mm, and " C " type section arc radius N in its natural state of described urethral catheterization guide core pipe near-end is 10mm.

According to described Urinary catheter, it is characterized in that, the lateral wall of described Urinary catheter cover near-end is fixedly connected with air bag, and gas bag sealing is communicated with gas tube; The port of Urinary catheter cover far-end is closed by valve.

When client need urethral catheterization, first Urinary catheter being overlapped per urethra inserts in patient's bladder, then carry out inflation to the air bag of Urinary catheter cover near-end and give fixing Urinary catheter cover, urethral catheterization guide core pipe is inserted again through Urinary catheter cover, " C " type section of urethral catheterization guide core pipe far-end is stretched in patient's bladder, and latch closure is pushed in the groove in Urinary catheter cover valve orifice, thus fixing urethral catheterization guide core pipe, to prevent the slippage of urethral catheterization guide core pipe, the external drainage bag of far-end of urethral catheterization guide core pipe.

Because the near-end of urethral catheterization guide core pipe bends at intravesical in " C " type, avoid sense of discomfort and sense of urinating that straight peen conduit causes the stimulation of wall of urinary bladder, again because the near-end of urethral catheterization guide core pipe is with multi-faceted pod apertures, therefore himself drain is more unobstructed, and the probability of obstruction just reduces greatly.If blocked, then slightly firmly extract urethral catheterization guide core pipe, the urethral catheterization guide core pipe again more renewed.

Use this utility model to carry out in the process of drain, without the need to flushing operation, if urethral catheterization guide core blockage, then can change, simple and efficient to handle, drainage effect is good, and the painful little or no pain of patient, is easy to accept.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of Urinary catheter cover in Fig. 1;

Fig. 3 is the structural representation of urethral catheterization guide core pipe in Fig. 1.

In accompanying drawing:

1, gas tube; 2, urethral catheterization guide core pipe; 3, Urinary catheter cover; 4, latch closure; 5, groove; 6, air bag; 7, " C " type; 8, pod apertures; 9, valve; 10, stretch bending muscle; 11, crimping.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, this utility model is further described:

A kind of Urinary catheter, as shown in Figure 1, comprises urinary drainage tube cover 3(see Fig. 2), be installed with the urethral catheterization guide core pipe 2(that can relatively plug in Urinary catheter cover 3 see Fig. 3).The near-end of urethral catheterization guide core pipe 2 is in its natural state in " C " type 7 structure, penetrate in the process of urinary drainage tube cover 3 at the near-end of urethral catheterization guide core pipe 2, the near-end of urethral catheterization guide core pipe 2 is stretched, after the near-end of urethral catheterization guide core pipe 2 stretches out from the near-end of urinary drainage tube cover 3, automatic bending becomes " C " type.The inner side of " C " type section lateral wall of urethral catheterization guide core pipe 2 near-end is connected with stretch bending muscle 10 along the trend of this section of urethral catheterization guide core pipe 2.Stretch bending muscle 10 is arc in its natural state, stretch bending muscle 10 arc radius M is in its natural state less than " C " type section arc radius N in its natural state of urethral catheterization guide core pipe 2 near-end, in the present embodiment, M is 7-12mm, N is 8-15mm, and further M is 9mm, N is 10mm.

Stretch bending muscle 10 is that discrete point contact discontinuity is connected with " C " type section of urethral catheterization guide core pipe 2 near-end.The near-end helping urethral catheterization guide core pipe 2 that is provided with of stretch bending muscle 10 bends, and effectively avoids the port of urethral catheterization guide core pipe 2 to the stimulation of wall of urinary bladder.In the present embodiment, the port of urethral catheterization guide core pipe 2 near-end is connected with inwardly curling crimping 11, and the port urinating guide core pipe 2 more can be avoided to stimulate wall of urinary bladder." C " type section sidewall of urethral catheterization guide core pipe 2 near-end offers pod apertures 8, and pod apertures 8 is dislocatedly distributed along the sidewall upper and lower, left and right of urethral catheterization guide core pipe 2.In the present embodiment, the medial wall that Urinary catheter overlaps 3 far-ends offers groove 5, and the lateral wall of urethral catheterization guide core pipe 2 far-end is connected with latch closure 4, and after urethral catheterization guide core pipe 2 inserts Urinary catheter cover 3, latch closure 4 snaps onto in groove 5.The lateral wall that Urinary catheter overlaps 3 near-ends is fixedly connected with air bag 6, and air bag 6 is airtight is communicated with gas tube 1.The port that Urinary catheter overlaps 3 far-ends is closed by valve 9.

This utility model uses polrvinyl chloride (PVC) material to make a thin-walled superslide type conduit, this conduit is Urinary catheter cover, Urinary catheter cover is in straight peen opening shape, the distal openings side of Urinary catheter cover uses valve to close, the attached air bag in proximal end of Urinary catheter cover, so that inflatable dilatation, prevent Urinary catheter from skidding off bladder.The above-mentioned polrvinyl chloride of same use (PVC) material makes a hollow tubing conductor again, as urethral catheterization guide core pipe, its surface requirements is highly polished, superslide, and the near-end of urethral catheterization guide core pipe is in " C " type, this section of tube wall is provided with pod apertures, pod apertures goes to upper and lower, be left and rightly dislocatedly distributed, and the external diameter of urethral catheterization guide core pipe is slightly less than the internal diameter of Urinary catheter cover, is convenient to insert wherein, the external drainage bag of far-end of urethral catheterization guide core pipe, for drainage of urine or body fluid.

The overlapping that the distal exterior wall of urethral catheterization guide core pipe and Urinary catheter overlap the valve close mouth of far-end is provided with latch closure, and latch closure adds shape thickness ringwise, the groove that slightly firmly just latch closure can be pushed in valve orifice, thus fixing Urinary catheter core, prevent its slippage.

This Urinary catheter convenient to use, patient's no pain, also without the need to lasting instillation normal saline washing, also can be used for the drain of the organ such as thoracic cavity and abdominal cavity, when for the organ body fluid drain such as thoracic cavity, abdominal cavity, then the near-end of Urinary catheter cover is without the need to using air bag, and other operational approach steps are the same.

When making this utility model, generally choose one long for 40cm, diameter be that the thin-walled superslide type conduit of 0.5cm is as Urinary catheter cover, require Urinary catheter cover outer wall superslide, Urinary catheter cover near-end leads directly to opening, and an additional air bag, set up a filling channel by gas tube, the air-filled pore of gas tube is closed by valve.Make one again and be longly slightly less than the hollow pipe of Urinary catheter cover internal diameter as urethral catheterization guide core pipe for 60cm, diameter, make its outer wall superslide, its near-end is in " C " type, and sidewall has pod apertures, and goes to upper and lower, to be left and rightly dislocatedly distributed.In this utility model, Urinary catheter cover and the length of urethral catheterization guide core pipe and diameter also can make different size, as required to be applicable to different patients.

Claims

1. a Urinary catheter, comprises urinary drainage tube cover (3), it is characterized in that, is installed with the urethral catheterization guide core pipe (2) that can relatively plug in Urinary catheter cover (3), and the near-end of urethral catheterization guide core pipe (2) is in its natural state in " C " type (7) structure.

2. Urinary catheter according to claim 1, is characterized in that, the inner side of " C " type section lateral wall of described urethral catheterization guide core pipe (2) near-end is connected with stretch bending muscle (10) along the trend of this section of urethral catheterization guide core pipe (2).

3. Urinary catheter according to claim 2, it is characterized in that, the medial wall of described Urinary catheter cover (3) far-end offers groove (5), the lateral wall of described urethral catheterization guide core pipe (2) far-end is connected with latch closure (4), after urethral catheterization guide core pipe (2) inserts Urinary catheter cover (3), latch closure (4) snaps onto in groove (5).

4. Urinary catheter according to claim 3, it is characterized in that, described stretch bending muscle (10) is arc in its natural state, stretch bending muscle (10) arc radius is in its natural state M, " C " type section arc radius in its natural state of described urethral catheterization guide core pipe (2) near-end is N, and M < N.

5. Urinary catheter according to claim 4, is characterized in that, described stretch bending muscle (10) is that discrete point contact discontinuity is connected with " C " type section of described urethral catheterization guide core pipe (2) near-end.

6. Urinary catheter according to any one of claim 1 to 5, is characterized in that, the port of described urethral catheterization guide core pipe (2) near-end is connected with inwardly curling crimping (11).

7. Urinary catheter according to claim 6, is characterized in that, " C " type section sidewall of described urethral catheterization guide core pipe (2) near-end offers pod apertures (8), and pod apertures (8) is dislocatedly distributed along the sidewall upper and lower, left and right of urethral catheterization guide core pipe (2).

8. Urinary catheter according to claim 4, it is characterized in that, described stretch bending muscle (10) arc radius M is in its natural state 7-12mm, and " C " type section arc radius N in its natural state of described urethral catheterization guide core pipe (2) near-end is 8-15mm.

9. Urinary catheter according to claim 8, is characterized in that, described stretch bending muscle (10) arc radius M is in its natural state 9mm, and " C " type section arc radius N in its natural state of described urethral catheterization guide core pipe (2) near-end is 10mm.

10. Urinary catheter according to claim 9, is characterized in that, the lateral wall of described Urinary catheter cover (3) near-end is fixedly connected with air bag (6), and air bag (6) is airtight is communicated with gas tube (1); The port of Urinary catheter cover (3) far-end is closed by valve (9).