CN208927389U - A kind of catheter assembly - Google Patents
A kind of catheter assembly Download PDFInfo
- Publication number
- CN208927389U CN208927389U CN201821204711.0U CN201821204711U CN208927389U CN 208927389 U CN208927389 U CN 208927389U CN 201821204711 U CN201821204711 U CN 201821204711U CN 208927389 U CN208927389 U CN 208927389U
- Authority
- CN
- China
- Prior art keywords
- fixed block
- catheter
- catheter assembly
- ring
- top cap
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of medical instrument technology more particularly to a kind of catheter assembly, this catheter assembly includes catheter and slip-preventing structure;The slip-preventing structure includes fixed block and ring-shaped gasbag;The catheter upper port is connected to fixed block;Back taper guidance cavity is equipped in the fixed block;The fixed block lateral surface is inclined surface, is equipped with ring-shaped gasbag perpendicular to the inclined surface, which is connected to by the air supply channel in fixed block with aspiration tube;The end of the aspiration tube is connected to piston cylinder, is also correspondingly provided with piston and push rod in the piston cylinder.This structure can be effectively solved the eely drawback of existing catheter, and convenient for shrinking and being unfolded;Furthermore, it solves by the floating piece of setting and brush head etc. because clot or calculus make the phenomenon that cost structure blocks;With easy to operate, the apparent benefit of blocking-proof result.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of catheter assemblies.
Background technique
Calculus patient has part calculus not eject, also stays in the body when using catheter due to postoperative, is easy
Existing catheter is formed and is blocked, is influenced needed for normal urethral catheterization;Meanwhile existing catheter easily slips, and the of male
Three critical points, if the air bag of catheter is not shunk completely, then it is careless slightly, it will cause to fray inside human body urinary catheter, occur
Hematuria phenomenon;Easily cause secondary urinary tract infection, causes unnecessary harm.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of catheter assemblies, that is, it is able to achieve in bladder controllable
Expansion, prevent unexpected slippage;Again can controllable adjusting catheter upper port, prevent tiny calculus from blocking catheter so that
Urethral catheterization blockage occurs.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of catheter assembly, it is characterised in that: originally lead
Catheter apparatus includes catheter and slip-preventing structure;The slip-preventing structure includes fixed block and ring-shaped gasbag;
The catheter upper port is connected to fixed block;Back taper guidance cavity is equipped in the fixed block;The fixed block
Lateral surface is inclined surface, is equipped with ring-shaped gasbag perpendicular to the inclined surface, the ring-shaped gasbag by air supply channel in fixed block with
Aspiration tube connection;The end of the aspiration tube is connected to piston cylinder, is also correspondingly provided with piston and push rod in the piston cylinder.
In this way, the principle of this structure is, when unused, i.e., push rod is pulled back, and causes in ring-shaped gasbag pressure at negative
Pressure, ring-shaped gasbag shrink the inclined surface for being tightly attached to fixed block;Convenient for the catheter of this structure is inserted into human bladder;And into
After entering in human bladder, push push rod, the pressure of ring-shaped gasbag increases, and ring-shaped gasbag is unfolded therewith, formed one it is circular
Air bag, so that the upper end of this structure bladder out not easily to fall off, and urine passes through the back taper guidance cavity in fixed block, along urethral catheterization
Pipe outflow;Play anti-slip effect;And when taking out, push rod need to be only pulled outwardly, balloon contraction is not blocking, and just can
It takes out well.
Further, the inclined surface and horizontal direction are in 30-90 ° of inclination.
In this way, air bag can preferably be unfolded under 30 ° -90 ° angles inclined in this way, a cricoid air bag is formed
(class umbrella shape facilitates expansion, while being also convenient for shrinking), prevents the upper surface of this structure from slipping out of bladder.
It further, further include anti-blockage structure;The anti-blockage structure includes top cap and floating piece;The top cap passes through ring
The elastic connecting strip of shape distribution is connect with fixed block;It is surrounded in the elastic connecting strip of the annular distribution and forms cavity, and in institute
It states and is equipped at least one floating piece in cavity, and the both ends of floating piece are connected as one by draught line and ring-shaped gasbag.
In this way, top cap setting can convenient for when entering bladder, playing the role of a guidance in fixed block front end
It is delivered up well, and will not be due to being excessively sharp damage human body urination inside pipe wall;And top cap passes through elastic connection band connection
(having gap between elastic connecting strip, be void urine channel), in normally non-air-blowing, due to the elastic force of elastic connecting strip, top
Cap can be attached with fixed block (i.e. in entering physiological disposition, due to the effect of resistance and elastic connecting strip that top cap encounters, top cap
It is closely attached with fixed block);When entering in bladder (bladder can be considered a liquid cavity), at this point, by push rod air-blowing,
Ring-shaped gasbag is unfolded, is unfolded with ring-shaped gasbag, ring-shaped gasbag drives floating piece to rise by draught line, plays one and goes to block up
The effect of plug;(since blocking is formed by clot and calculus in catheter upper port mostly, floating piece, which slightly floats, can drive blood
Block or calculus movement, vacate urine flow pass, this is slight after making this product need certain interval of time in use
Push rod is pushed to help back taper guidance cavity movement in upper end to vacate urination gap).
Further, the floating piece is equipped with vertical guiding bar, corresponding to be equipped with spacing collar in top cap lower end surface.
In this way, floating piece is acted by guiding bar along spacing collar, floating on piece line rule action is limited, and can protect
There are enough spaces convenient for urine entrance between card floating piece and top cap, in a disguised form increases the channel into urine.
Further, tubular brush block is additionally provided with outside the floating piece.
In this way, brushing away clot or calculus on elastic connection band when rocker piece moves up and down by tubular brush block, playing one
The effect in a luicd and elegant above-mentioned void urine channel.
Further, brush head is connected with below the floating piece, the brush head is back taper.
In this way, brush away by the brush head of back taper into the clot or calculus in void urine channel, enable small clot
Enough excluded by catheter, and big calculus constantly is scrubbed to become smaller and be excluded again by brush head.
Further, the top cap is semicircle;And the periphery width of top cap is greater than fixed block.
It opens a way in this way, semicircle top cap preferably can play the role of one into the evacuating catheter of human body, and fixed block
The channel that can be opened a way along top cap easily enters, and resistance is smaller.
Compared with prior art the utility model has the beneficial effects that:
1, this structure preferably can enter human body evacuating catheter until bladder due to the setting of semicircle top cap;And semicircle
Shape top cap this product that can't be mingled with human body mucous membrane class in the process for entering human body to cause this by elastic connection band connection
Structure blocking;
2, the setting of ring-shaped gasbag can be effectively solved the eely drawback of existing catheter, and convenient for being lived by adjusting
Realize air bag free shrink and expansion in stopper rod position;
3, it solves by the floating piece and brush head of setting because clot or calculus are made cost structure and blocked into urine liquid opening, has
It is easy to operate, the apparent benefit of blocking-proof result.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is 1 overall structure diagram of the embodiments of the present invention;
Fig. 2 is 2 overall structure diagram of the embodiments of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
In conjunction with attached drawing 1, embodiment 1, a kind of catheter assembly, this catheter assembly includes catheter 1 and slip-preventing structure;
The slip-preventing structure includes fixed block 2 and ring-shaped gasbag 5;1 upper port of catheter is connected to fixed block 2;The fixation
Back taper guidance cavity 3 is equipped in block 2;2 lateral surface of fixed block is inclined surface 4, is equipped with ring-shaped gasbag perpendicular to the inclined surface 4
5, which is connected to by the air supply channel 6 in fixed block 2 with aspiration tube 7;The end of the aspiration tube 7 and piston cylinder
8 are connected to, and are also correspondingly provided with piston 9 and push rod 10 in the piston cylinder 8.The inclined surface 4 is with horizontal direction in 45 ° of inclinations.Together
When, it further include anti-blockage structure;The anti-blockage structure includes top cap 11 and floating piece 12;The top cap 11 passes through annular distribution
Elastic connecting strip 13 connect with fixed block 2;It is surrounded in the elastic connecting strip 13 of the annular distribution and forms cavity 14, and in institute
It states and is equipped with a floating piece 12 in cavity, and the both ends of floating piece 12 are connected as one by draught line 15 with ring-shaped gasbag 5.Institute
Top cap 11 is stated as semicircle;And the periphery width of top cap 11 is greater than fixed block 2.
The principle of above structure is: when unused, i.e., push rod 10 pulls back, and causes in ring-shaped gasbag 5 pressure at negative
Pressure, ring-shaped gasbag 5 shrink the inclined surface 4 for being tightly attached to fixed block 2;Convenient for the catheter 1 of this structure is inserted into human bladder;
And after entering in human bladder, push rod 10 is pushed, the pressure of ring-shaped gasbag 5 increases, and ring-shaped gasbag 5 is unfolded therewith, forms one
Circular air bag, so that the upper end of this structure bladder out not easily to fall off, and urine passes through the back taper guidance cavity in fixed block 2
3, it is flowed out along catheter 1;Play anti-slip effect;And when taking out, push rod 10 need to be only pulled outwardly, ring-shaped gasbag 5
Contraction no longer blocks, and just can be good at taking out.The setting of top cap 11 is in 2 front end of fixed block, convenient for playing one when entering bladder
The effect of a guidance can be delivered up well, and will not be due to being excessively sharp damage human body urination inside pipe wall;And top cap
11 connect (having gap between elastic connecting strip 13, be void urine channel) by elastic connecting strip 13, in normally non-air-blowing
When, due to the elastic force of elastic connecting strip 13, top cap 11 can be attached with fixed block 2 (i.e. in entering physiological disposition, due to top cap 11
The effect of the resistance and elastic connecting strip 13 that encounter, top cap 11 and fixed block 2 closely attach);(the bladder when entering in bladder
Can be considered a liquid cavity), at this point, ring-shaped gasbag 5 is unfolded by 10 air-blowing of push rod, it is unfolded with ring-shaped gasbag, it is cyclic annular
Air bag drives floating piece 12 and top to emit 11 risings by draught line 15, plays the role of one and goes blocking;(due to block mostly by
Clot and calculus are formed in catheter upper port, and floating piece 12, which slightly floats, can drive clot or calculus to act, and vacate urine
Flow pass, this slightly pushes push rod 10 that upper end is helped to fall after making this product need certain interval of time in use
Urination cavity 14 is vacateed in the movement of tapered guide chamber).
Embodiment 2, as attached drawing 2 also added such as flowering structure on the basis of the said structure;It is equipped in floating piece 12 vertical
Guiding bar 16, it is corresponding to be equipped with spacing collar 17 in 11 lower end surface of top cap.Tubular brush block 18 is additionally provided with outside the floating piece 12.
Brush head 19 is connected with below the floating piece 12, the brush head 19 is back taper.
The principle of above structure is: floating piece 12 is acted by guiding bar 16 along spacing collar 17, and floating piece 12 is limited
Online rule action, and space is stopped between floating piece and top cap, convenient for forming urine passageway;Rocker piece 12 moves up and down
When, clot or calculus on elastic connection band are brushed away by tubular brush block 18, play the above-mentioned void urine cavity 14 of cleaning
Effect;It is brushed away by the brush head 19 of back taper into the clot or calculus in void urine channel, small clot is passed through
Catheter excludes, and big calculus constantly is scrubbed to become smaller and be excluded again by brush head;And semicircle top cap 11 can preferably enter people
The evacuating catheter of body plays the role of an open circuit, and the channel that fixed block 2 can open a way along top cap easily enters, and resistance is smaller.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of catheter assembly, it is characterised in that: this catheter assembly includes catheter (1) and slip-preventing structure;It is described anti-
Slipping structure includes fixed block (2) and ring-shaped gasbag (5);
Catheter (1) upper port is connected to fixed block (2);Back taper guidance cavity (3) are equipped in the fixed block (2);Institute
Stating fixed block (2) lateral surface is inclined surface (4), is equipped with ring-shaped gasbag (5) perpendicular to the inclined surface (4), the ring-shaped gasbag (5) is logical
The air supply channel (6) crossed in fixed block (2) is connected to aspiration tube (7);The end of the aspiration tube (7) is connected to piston cylinder (8),
Piston (9) and push rod (10) are also correspondingly provided in the piston cylinder (8).
2. catheter assembly according to claim 1, it is characterised in that: the inclined surface (4) and horizontal direction are in 30-
90 ° of inclinations.
3. catheter assembly according to claim 1, it is characterised in that: further include anti-blockage structure;The anti-clogging knot
Structure includes top cap (11) and floating piece (12);The elastic connecting strip (13) and fixed block that the top cap (11) passes through annular distribution
(2) it connects;It is surrounded in the elastic connecting strip (13) of the annular distribution and forms cavity (14), and be equipped at least in the cavity
One floating piece (12), and the both ends of floating piece (12) are connected as one by draught line (15) with ring-shaped gasbag (5).
4. catheter assembly according to claim 3, it is characterised in that: the floating piece (12) is equipped with vertical guiding bar
(16), it corresponds to and is equipped with spacing collar (17) in top cap (11) lower end surface.
5. catheter assembly according to claim 3, it is characterised in that: be additionally provided with tubular brush outside the floating piece (12)
Block (18).
6. catheter assembly according to claim 3, it is characterised in that: be connected with brush head below the floating piece (12)
(19), the brush head (19) is back taper.
7. catheter assembly according to claim 3, it is characterised in that: the top cap (11) is semicircle;And top cap
(11) periphery width is greater than fixed block (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821204711.0U CN208927389U (en) | 2018-07-27 | 2018-07-27 | A kind of catheter assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821204711.0U CN208927389U (en) | 2018-07-27 | 2018-07-27 | A kind of catheter assembly |
Publications (1)
Publication Number | Publication Date |
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CN208927389U true CN208927389U (en) | 2019-06-04 |
Family
ID=66716674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821204711.0U Expired - Fee Related CN208927389U (en) | 2018-07-27 | 2018-07-27 | A kind of catheter assembly |
Country Status (1)
Country | Link |
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CN (1) | CN208927389U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113975597A (en) * | 2021-12-01 | 2022-01-28 | 上海市嘉定区中心医院 | Prevent blockking up catheter |
-
2018
- 2018-07-27 CN CN201821204711.0U patent/CN208927389U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113975597A (en) * | 2021-12-01 | 2022-01-28 | 上海市嘉定区中心医院 | Prevent blockking up catheter |
CN113975597B (en) * | 2021-12-01 | 2023-09-22 | 上海市嘉定区中心医院 | Anti-blocking catheter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20200727 |
|
CF01 | Termination of patent right due to non-payment of annual fee |