CN111467659B - Filter screen support type catheter - Google Patents

Filter screen support type catheter Download PDF

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Publication number
CN111467659B
CN111467659B CN202010454767.7A CN202010454767A CN111467659B CN 111467659 B CN111467659 B CN 111467659B CN 202010454767 A CN202010454767 A CN 202010454767A CN 111467659 B CN111467659 B CN 111467659B
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CN
China
Prior art keywords
support
drainage tube
fixing
interface
filter screen
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.)
Active
Application number
CN202010454767.7A
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Chinese (zh)
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CN111467659A (en
Inventor
闫巧云
华晶
赵春燕
贺亚楠
赵培欣
王彩
仇晶军
余丹红
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Shanghai East Hospital Tongji University Affiliated East Hospital
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Shanghai East Hospital Tongji University Affiliated East Hospital
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Priority to CN202010454767.7A priority Critical patent/CN111467659B/en
Publication of CN111467659A publication Critical patent/CN111467659A/en
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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
    • A61M25/10—Balloon catheters
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1018—Balloon inflating or inflation-control devices
    • A61M25/10181—Means for forcing inflation fluid into the balloon
    • A61M25/10183—Compressible bulbs

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Child & Adolescent Psychology (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention relates to a filter screen bracket type catheter, which comprises a drainage tube, wherein the front end of the drainage tube is provided with a drainage hole, the tail end of the drainage tube is provided with a sealing connecting piece, and the sealing connecting piece is provided with a drainage tube interface and a first accessory interface; the drainage tube of drainage hole below is inside to be equipped with the filter screen support, the filter screen support includes outer support and inner support, the inner support slides and sets up in the outer support, the upper end on the inner support is equipped with first net piece, the middle part of first net piece is equipped with the pull rod, the lower extreme of outer support is equipped with the second net piece, the middle part of second net piece is equipped with support sleeve, support sleeve's lower extreme is fixed on seal connection's the first annex interface, the pull rod passes support sleeve stretches out first annex interface and links to each other with sealed lid, sealed lid with first annex interface lid each other.

Description

Filter screen support type catheter
Technical Field
The invention relates to a catheter, in particular to a filter screen bracket type catheter.
Background
The traditional common rubber catheter has only two through holes for draining urine no matter the front end of the model, so that the catheter is easy to be blocked once particles are deposited or large tissue sample substances are blocked for a patient who is kept the catheter for a long time, and the main method for solving the blockage is to replace the catheter again. The patient is painful during the period, the risk of urinary tract infection is increased, and the workload of medical care work is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a filter screen bracket type catheter for preventing a drainage tube from deforming and blocking.
The invention is realized in the following way: the filter screen support type catheter comprises a drainage tube, wherein a drainage hole is formed in the front end of the drainage tube, a sealing connecting piece is arranged at the tail end of the drainage tube, and a drainage tube connector and a first accessory connector are arranged on the sealing connecting piece; the drainage tube of drainage hole below is inside to be equipped with the filter screen support, the filter screen support includes outer support and inner support, the inner support slides and sets up in the outer support, the upper end on the inner support is equipped with first net piece, the middle part of first net piece is equipped with the pull rod, the lower extreme of outer support is equipped with the second net piece, the middle part of second net piece is equipped with support sleeve, support sleeve's lower extreme is fixed on seal connection's the first annex interface, the pull rod passes support sleeve stretches out first annex interface and links to each other with sealed lid, sealed lid with first annex interface lid each other.
The outer support comprises an upper support outer ring and a lower support outer ring, a plurality of first fixing rods are arranged between the upper support outer ring and the lower support outer ring, the second net sheet is fixed in the lower support outer ring, and the upper end of the inner support is limited between the upper support outer ring and the lower support outer ring.
The inner support comprises an upper inner ring, a second fixing rod and a lower fixing piece, the first mesh is fixed in the upper inner ring, the upper end of the second fixing rod is connected with the upper inner ring, the lower end of the second fixing rod penetrates through the lower end of the outer support and is in sliding connection with the lower end of the outer support, and the lower end of the second fixing rod is connected with the lower fixing piece and limits the lower end of the second fixing rod below the lower end of the outer support through the lower fixing piece.
The lower fixing piece is selected from one of a fixing piece, a fixing ring and a fixing block.
The lower part of the drainage hole is provided with a balloon fixed on the drainage tube, the side wall of the drainage tube is provided with an inflation channel communicated with the interior of the balloon, the sealing connecting piece is provided with a second accessory interface, and the second accessory interface is connected with the inflation channel; and an inflatable air bag is arranged on the second accessory interface.
A one-way flap valve is arranged in the drainage tube interface.
The support sleeve is a flexible metal sleeve, the pull rod is a flexible metal pull rod, and the filter screen support is a medical metal support.
The number of the drainage holes is 3-5.
The beneficial effects of the invention are as follows: the outer support and the support sleeve of the filter screen support are used for supporting the drainage tube, so that the drainage tube is prevented from deforming, and the drainage is kept smooth; the blocking objects such as massive particle sediments or blood clots deposited in the lumen of the drainage tube can be pushed and moved by the pull rod through the movement of the inner bracket and the cooperation between the first net sheet and the second net sheet, so that the blocking objects are enabled to be smaller and crushed, the blocking objects are easy to be discharged out of the drainage tube, and the drainage in the lumen of the drainage tube is kept smooth; the support sleeve provides support so that the pull rod prevents the outer support of the filter screen support from moving up and down when being pulled. 3-5 drainage holes are formed in the front end of the drainage tube, so that the blocking of the tube caused by blocking of the through holes is greatly reduced; the one-way flap valve is arranged in the drainage tube interface, so that the urine backflow is effectively prevented, and the probability of urinary tract infection is reduced.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic side view of a filter screen holder according to the present invention.
Fig. 3 is a schematic structural view of the screen holder of the present invention.
Fig. 4 is a schematic exploded view of the screen holder of the present invention.
Fig. 5 is a schematic view of the structure of the inner frame of the screen frame of the present invention when the inner frame is pulled down.
Wherein: 1. a drainage tube; 2. drainage holes; 3. sealing the connection member; 4. a drainage tube interface; 5. a first accessory interface; 6. a second accessory interface; 7. a filter screen bracket; 8. an outer bracket; 9. an inner bracket; 10. a first mesh; 11. a pull rod; 12. a second mesh; 13. a support sleeve; 14. sealing cover; 15. an upper support outer ring; 16. a lower support outer ring; 17. a first fixing rod; 18. an upper inner ring; 19. a second fixing rod; 20. a lower fixing member; 21. a balloon; 22. an inflation channel; 23. an inflatable airbag; 24. a urine collection bag; 25. a one-way flap valve.
Detailed Description
According to fig. 1-5, the filter screen support type catheter comprises a drainage tube 1, wherein 3-5 drainage holes 2 are formed in the front end of the drainage tube 1. The tail end of the drainage tube 1 is provided with a sealing connecting piece 3, and the sealing connecting piece 3 is provided with a drainage tube interface 4, a first accessory interface 5 and a second accessory interface 6; the filter screen bracket 7 is arranged in the drainage tube 1 below the drainage hole 2. A one-way flap valve 25 is arranged in the drainage tube connector 4; the drainage tube interface 4 is used for connecting a urine collection bag 24.
The filter screen support 7 comprises an outer support 8 and an inner support 9, the inner support 9 is arranged in the outer support 8 in a sliding mode, a first net piece 10 is arranged at the upper end of the inner support 9, a pull rod 11 is arranged in the middle of the first net piece 10, a second net piece 12 is arranged at the lower end of the outer support 8, a support sleeve 13 is arranged in the middle of the second net piece 12, the lower end of the support sleeve 13 is fixed on a first accessory interface 5 of the sealing connecting piece 3, the pull rod 11 penetrates through the support sleeve 13 to extend out of the first accessory interface 5 and is connected with a sealing cover 14, and the sealing cover 14 and the first accessory interface 5 are mutually covered. The support sleeve 13 is a flexible metal sleeve, the pull rod 11 is a flexible metal pull rod, and the filter screen bracket 7 is a medical metal bracket. The pull rod 11 forms sliding friction with the support sleeve 13.
The outer bracket 8 comprises an upper support outer ring 15 and a lower support outer ring 16, a plurality of first fixing rods 17 are arranged between the upper support outer ring 15 and the lower support outer ring 16, and the number of the first fixing rods 17 is preferably 3-8, and 4 in the figure. The second mesh 12 is fixed inside the lower support outer ring 16, and the upper end of the inner frame 9 is restrained between the upper support outer ring 15 and the lower support outer ring 16.
The inner bracket 9 comprises an upper inner ring 18, a second fixing rod 19 and a lower fixing piece 20, the first mesh 10 is fixed in the upper inner ring 18, the upper end of the second fixing rod 19 is connected with the upper inner ring 18, the lower end of the second fixing rod 19 penetrates through the lower support outer ring 16 of the lower end of the outer bracket 8 and forms sliding connection with the lower support outer ring 16 of the lower end of the outer bracket 8, and the lower end of the second fixing rod 19 is connected with the lower fixing piece 20 and limits the lower end of the second fixing rod 19 below the lower end of the outer bracket 8 through the lower fixing piece 20. The lower fixing member 20 is selected from one of a fixing piece, a fixing ring or a fixing block, preferably a fixing ring. The outer diameter of the upper inner ring 18 is smaller than the inner diameter of the upper support outer ring 15.
A balloon 21 fixed on the drainage tube 1 is arranged below the drainage hole 2, an inflation channel 22 communicated with the interior of the balloon 21 is arranged on the side wall of the drainage tube 1, a second accessory interface 6 is arranged on the sealing connecting piece 3, and the second accessory interface 6 is connected with the inflation channel 22; the second accessory interface 6 is provided with an inflatable air bag 23.
The upper end of the first accessory interface 5 is positioned at the center of the sealing connecting piece 3, and the upper end of the drainage tube interface 4 and the upper end of the second accessory interface 6 are positioned at one side or two sides of the first accessory interface 5; the central lines of the first accessory interface 5, the drainage tube interface 4 and the second accessory interface 6 are straight lines or curves.
When the drainage tube is used, the sealing cover 14 is opened, the sealing cover 14 is pulled to drive the pull rod 11 to move downwards, the inner support 9 is pulled by the pull rod 11, and blocking matters such as massive particle sediments or blood clots which are precipitated in the lumen of the drainage tube 1 can pass through the up-and-down movement of the inner support 9 and the cooperation between the first net sheet 10 and the second net sheet 12, so that the blocking matters are extruded and moved to be reduced and crushed, and are easy to be discharged out of the drainage tube 1, and the drainage in the lumen of the drainage tube 1 is kept smooth; the support sleeve 13 provides support such that the pull rod 11, when pulled, prevents the outer frame 8 of the screen frame 7 from moving up and down.

Claims (6)

1. The utility model provides a filter screen support formula catheter, includes the drainage tube, the front end of drainage tube is equipped with drainage hole, its characterized in that: the tail end of the drainage tube is provided with a sealing connecting piece, and the sealing connecting piece is provided with a drainage tube interface and a first accessory interface; the drainage tube below the drainage hole is internally provided with the filter screen bracket, the filter screen bracket comprises an outer bracket and an inner bracket, the inner bracket is arranged in the outer bracket in a sliding way, the upper end of the inner bracket is provided with a first net sheet, the middle part of the first net sheet is provided with a pull rod, the lower end of the outer bracket is provided with a second net sheet, the middle part of the second net sheet is provided with a support sleeve, the lower end of the support sleeve is fixed on a first accessory interface of the sealing connecting piece, the pull rod penetrates through the support sleeve to extend out of the first accessory interface and is connected with a sealing cover, and the sealing cover and the first accessory interface are mutually covered;
the outer support comprises an upper support outer ring and a lower support outer ring, a plurality of first fixing rods are arranged between the upper support outer ring and the lower support outer ring, the second net piece is fixed in the lower support outer ring, and the upper end of the inner support is limited between the upper support outer ring and the lower support outer ring;
The inner support comprises an upper inner ring, a second fixing rod and a lower fixing piece, the first mesh is fixed in the upper inner ring, the upper end of the second fixing rod is connected with the upper inner ring, the lower end of the second fixing rod penetrates through the lower end of the outer support and is in sliding connection with the lower end of the outer support, and the lower end of the second fixing rod is connected with the lower fixing piece and limits the lower end of the second fixing rod below the lower end of the outer support through the lower fixing piece.
2. A screen-supported urinary catheter as in claim 1, wherein: the lower fixing piece is selected from one of a fixing piece, a fixing ring and a fixing block.
3. A screen-supported urinary catheter as in claim 1, wherein: the lower part of the drainage hole is provided with a balloon fixed on the drainage tube, the side wall of the drainage tube is provided with an inflation channel communicated with the interior of the balloon, the sealing connecting piece is provided with a second accessory interface, and the second accessory interface is connected with the inflation channel; and an inflatable air bag is arranged on the second accessory interface.
4. A screen-supported urinary catheter as in claim 1, wherein: a one-way flap valve is arranged in the drainage tube interface.
5. A screen-supported urinary catheter as in claim 1, wherein: the support sleeve is a flexible metal sleeve, the pull rod is a flexible metal pull rod, and the filter screen support is a medical metal support.
6. A screen-supported urinary catheter as in claim 1, wherein: the number of the drainage holes is 3-5.
CN202010454767.7A 2020-05-26 2020-05-26 Filter screen support type catheter Active CN111467659B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010454767.7A CN111467659B (en) 2020-05-26 2020-05-26 Filter screen support type catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010454767.7A CN111467659B (en) 2020-05-26 2020-05-26 Filter screen support type catheter

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Publication Number Publication Date
CN111467659A CN111467659A (en) 2020-07-31
CN111467659B true CN111467659B (en) 2024-05-24

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CN202010454767.7A Active CN111467659B (en) 2020-05-26 2020-05-26 Filter screen support type catheter

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114425106B (en) * 2020-10-14 2024-03-29 于从军 Drainage device, drainage method and drainage device manufacturing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203525117U (en) * 2013-10-25 2014-04-09 江苏省人民医院 Support catheter
CN206334188U (en) * 2016-08-30 2017-07-18 江苏省人民医院 Postoperative anti-clogging catheter in a kind of bladder cavity
CN207024316U (en) * 2016-12-29 2018-02-23 于巍巍 A kind of special drainage system of liver and gall surgical department
CN110124185A (en) * 2019-06-25 2019-08-16 华中科技大学同济医学院附属协和医院 A kind of catheter with plasticity bracket and the chlorination equipment for the bracket
CN209984772U (en) * 2019-04-16 2020-01-24 贾其磊 Anti-blocking catheter
CN212383070U (en) * 2020-05-26 2021-01-22 上海市东方医院（同济大学附属东方医院） Filter screen bracket type catheter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826211B (en) * 2015-04-09 2018-06-19 广州新诚生物科技有限公司 Cross double-sleeve drainage tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203525117U (en) * 2013-10-25 2014-04-09 江苏省人民医院 Support catheter
CN206334188U (en) * 2016-08-30 2017-07-18 江苏省人民医院 Postoperative anti-clogging catheter in a kind of bladder cavity
CN207024316U (en) * 2016-12-29 2018-02-23 于巍巍 A kind of special drainage system of liver and gall surgical department
CN209984772U (en) * 2019-04-16 2020-01-24 贾其磊 Anti-blocking catheter
CN110124185A (en) * 2019-06-25 2019-08-16 华中科技大学同济医学院附属协和医院 A kind of catheter with plasticity bracket and the chlorination equipment for the bracket
CN212383070U (en) * 2020-05-26 2021-01-22 上海市东方医院（同济大学附属东方医院） Filter screen bracket type catheter

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