CN104667416A - Catheter drainage tube - Google Patents

Catheter drainage tube Download PDF

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Publication number
CN104667416A
CN104667416A CN201510144771.2A CN201510144771A CN104667416A CN 104667416 A CN104667416 A CN 104667416A CN 201510144771 A CN201510144771 A CN 201510144771A CN 104667416 A CN104667416 A CN 104667416A
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CN
China
Prior art keywords
urinary catheter
core pipe
urethral catheterization
guide core
natural state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510144771.2A
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Chinese (zh)
Inventor
王兆华
王晓晨
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510144771.2A priority Critical patent/CN104667416A/en
Publication of CN104667416A publication Critical patent/CN104667416A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0041—Catheters; Hollow probes characterised by the form of the tubing pre-formed, e.g. specially adapted to fit with the anatomy of body channels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Urology & Nephrology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention discloses a catheter drainage tube, which comprises a catheter drainage tube sleeve, wherein a catheter drainage core tube which can be relatively plugged is arranged in the catheter drainage tube sleeve in a penetrating manner; the near end of the catheter drainage core tube is in a C-shaped structure in a natural state; the inner side of the outer lateral wall of a C-shaped segment at the near end of the catheter drainage core tube is integrally connected with a stretch-bending rib along the trend of the catheter drainage core tube; a groove is formed in the inner lateral wall of the far end of the catheter drainage tube sleeve; the outer lateral wall of the far end of the catheter drainage core tube is integrally connected with a ring buckle; after the catheter drainage core tube is inserted into the catheter drainage tube sleeve, the ring buckle is buckled into the groove; the stretch-bending rib is in an arc form in a natural state; the arc radius of the stretch-bending rib in a natural state is M; the arc radius of the C-shaped segment at the near end of the catheter drainage core tube in the natural state is N; M is smaller than N; the stretch-bending rib and the C-shaped segment at the near end of the catheter drainage core tube are in discontinuous point-contact intermittent connection; and an opening at the near end of the catheter drainage core tube is integrally connected with a turned edge which crimps inwards.

Description

Urinary catheter
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate 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 object of this invention is to provide the Urinary catheter that a kind of drainage effect is good, simple to operate, easy to use.
For achieving the above object, the technical solution used in the present invention 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 the present invention 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 invention;
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, the invention will be 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.
The present invention 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 of the present invention, 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 the present invention, 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 (10)

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).
CN201510144771.2A 2015-03-31 2015-03-31 Catheter drainage tube Pending CN104667416A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105251063A (en) * 2015-10-19 2016-01-20 曾其强 Medical drainage assembly with adjustable installation position
CN106474617A (en) * 2016-11-28 2017-03-08 广西医科大学第附属医院 Combined water lubricates divulsor
CN107670164A (en) * 2017-11-07 2018-02-09 茅付勇 A kind of urethral catheterization Tool Box
CN113289207A (en) * 2021-05-08 2021-08-24 宁波市第一医院 Curve drainage nephrostomy tube
WO2021239197A1 (en) * 2020-05-27 2021-12-02 Coloplast A/S A urinary catheter

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027697A1 (en) * 1993-05-21 1994-12-08 Navarre Biomedical, Ltd. Drainage catheter
US20050119567A1 (en) * 2002-04-25 2005-06-02 Cardiac Pacemakers, Inc. Methods using a dual balloon telescoping guiding catheter
CN101648045A (en) * 2009-07-02 2010-02-17 张洪涛 Assistant-guiding device for catheterization
CN101785901A (en) * 2010-02-05 2010-07-28 中国人民解放军第三军医大学第一附属医院 Anti-reflux support tube of ureter
CN202185049U (en) * 2011-08-23 2012-04-11 殷乾清 Catheter bracket
CN202437950U (en) * 2012-02-10 2012-09-19 夏生俊 Double-cannula double-J tube
CN203539839U (en) * 2013-11-08 2014-04-16 赵雪梅 Novel urethral catheter
CN203777467U (en) * 2014-03-20 2014-08-20 山西省汾阳医院 Balloon catheter guide wire threading device
CN203885992U (en) * 2014-06-11 2014-10-22 李茂德 Double-capsule catheter for percutaneous transhepatic gallbladder drainage
CN204563272U (en) * 2015-03-31 2015-08-19 王兆华 Urinary catheter

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027697A1 (en) * 1993-05-21 1994-12-08 Navarre Biomedical, Ltd. Drainage catheter
US20050119567A1 (en) * 2002-04-25 2005-06-02 Cardiac Pacemakers, Inc. Methods using a dual balloon telescoping guiding catheter
CN101648045A (en) * 2009-07-02 2010-02-17 张洪涛 Assistant-guiding device for catheterization
CN101785901A (en) * 2010-02-05 2010-07-28 中国人民解放军第三军医大学第一附属医院 Anti-reflux support tube of ureter
CN202185049U (en) * 2011-08-23 2012-04-11 殷乾清 Catheter bracket
CN202437950U (en) * 2012-02-10 2012-09-19 夏生俊 Double-cannula double-J tube
CN203539839U (en) * 2013-11-08 2014-04-16 赵雪梅 Novel urethral catheter
CN203777467U (en) * 2014-03-20 2014-08-20 山西省汾阳医院 Balloon catheter guide wire threading device
CN203885992U (en) * 2014-06-11 2014-10-22 李茂德 Double-capsule catheter for percutaneous transhepatic gallbladder drainage
CN204563272U (en) * 2015-03-31 2015-08-19 王兆华 Urinary catheter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105251063A (en) * 2015-10-19 2016-01-20 曾其强 Medical drainage assembly with adjustable installation position
CN105251063B (en) * 2015-10-19 2018-01-02 曾其强 The adjustable medical drainage component in installation position
CN106474617A (en) * 2016-11-28 2017-03-08 广西医科大学第附属医院 Combined water lubricates divulsor
CN107670164A (en) * 2017-11-07 2018-02-09 茅付勇 A kind of urethral catheterization Tool Box
WO2021239197A1 (en) * 2020-05-27 2021-12-02 Coloplast A/S A urinary catheter
CN113289207A (en) * 2021-05-08 2021-08-24 宁波市第一医院 Curve drainage nephrostomy tube

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Application publication date: 20150603