CN104207747B - Endoscopic catheters is moved about propulsion plant - Google Patents

Endoscopic catheters is moved about propulsion plant Download PDF

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Publication number
CN104207747B
CN104207747B CN201410506311.5A CN201410506311A CN104207747B CN 104207747 B CN104207747 B CN 104207747B CN 201410506311 A CN201410506311 A CN 201410506311A CN 104207747 B CN104207747 B CN 104207747B
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CN
China
Prior art keywords
film
pipe
main body
endoscopic catheters
annular snap
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CN201410506311.5A
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Chinese (zh)
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CN104207747A (en
Inventor
王禄科
范晓琛
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烟台蚯蚓窥视镜有限公司
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Priority to CN201410506311.5A priority Critical patent/CN104207747B/en
Publication of CN104207747A publication Critical patent/CN104207747A/en
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Publication of CN104207747B publication Critical patent/CN104207747B/en

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Abstract

The present invention is that a kind of endoscopic catheters is moved about propulsion plant, comprises film pipe and is provided with the endoscopic catheters main body of annular snap film boss; The inner of film pipe is closed and is fixed in endoscopic catheters main body, and outer end is connected with the liquid injection seat being positioned at annular snap film boss rear; Annular snap film boss front is provided with a card zona, and card zona inflection formation film inside pipe wall and film pipe outer wall backward walked around by film pipe; Also comprise and to be connected with card zona and for pulling card zona film inside pipe wall to be clamped on handlebar on annular snap film boss; When film inside pipe wall is clamped on annular snap film boss by card zona, promotion endoscopic catheters main body drives film inside pipe wall to extend forward and is converted into film pipe outer wall.In turnover endoscopic procedure, do not contact between conduit with chamber wall, to avoid damage or to pull chamber wall.

Description

Endoscopic catheters is moved about propulsion plant

Technical field

The present invention relates to a kind of endoscope's propulsion plant as medical apparatus and instruments.Be mainly used in the digestive tract such as intestinal, esophagus, stomach, trachea, the endoscope of ureter etc. imports.

Technical background

Existing endoscope directly contacts between endoscopic catheters with chamber wall (such as intestinal wall) in advancing, and is sliding friction mode each other.Its major defect is: in turnover endoscopic procedure, between conduit and chamber wall, frictional force is comparatively large, and strengthens along with the increasing of penetration depth, is easy to damage chamber wall mucosa; Conduit is comparatively large to chamber wall drag force, easily produces rigid contusion.Under serious conditions, because spasm causes splanchnoscopy to proceed.

Summary of the invention

Technical problem to be solved by this invention is, provides a kind of endoscopic catheters to move about propulsion plant, in turnover endoscopic procedure, does not contact between conduit with chamber wall, to avoid damage or to pull chamber wall.

In order to solve the problems of the technologies described above, present invention employs following technical scheme.

Endoscopic catheters is moved about propulsion plant, it is characterized in that: comprise film pipe and be provided with the endoscopic catheters main body of annular snap film boss; The inner of described film pipe is closed and is fixed in endoscopic catheters main body, and outer end is connected with the liquid injection seat being positioned at annular snap film boss rear; Annular snap film boss front is provided with a card zona, and card zona inflection formation film inside pipe wall and film pipe outer wall backward walked around by described film pipe; Also comprise and to be connected with card zona and for pulling card zona film inside pipe wall to be clamped on handlebar on annular snap film boss; When film inside pipe wall is clamped on annular snap film boss by card zona, promotion endoscopic catheters main body drives film inside pipe wall to extend forward and is converted into film pipe outer wall.

Also comprise the liquid shutoff being enclosed within endoscopic catheters main body slidably, this liquid shutoff is positioned at liquid injection seat rear; Be provided with telescopic tube between liquid shutoff and liquid injection seat, telescopic tube front end is connected with liquid injection seat; Described the inner is positioned at annular snap film boss rear, film pipe from the inner begin to extend back to turn up again after one section extend forward beyond annular snap film boss after extend back again after card zona turns up, outer end is connected with liquid injection seat; Closed lubricating fluid space is formed between film pipe and endoscopic catheters main body, between film pipe and telescopic tube and between the two membranes pipe walking around card zona in liquid injection seat front; Handlebar rear end passes from liquid shutoff.

The pipe outer wall of endoscopic catheters main body is provided with adhesive tape.

Good effect of the present invention is: in (1), turnover endoscopic procedure, do not contact, also can not produce relative sliding friction between conduit with chamber wall.In endoscope's advance and retreat process, utilize existing endoscope to act on film pipe, drive membrane pipe folds feed compensation and advances, and progressively extends and realizes retreating, and film pipe rolls along chamber wall and extends.Therefore avoid endoscope in advance and retreat process and, to the damage of chamber wall or pulling, achieve noninvasive test, alleviate patient suffering.

(2), endoscopic catheters main body is in all the time among lubricating fluid and runs, drag minimization, and it is more soft that catheter main body can do.

(3), endoscope can directly entirety exit, and improves and checks and the efficiency of operation.

(4), endoscope main body drive membrane pipe folds feed compensation and advances, and therefore the turnover process of endoscope by the mechanism such as sacculus, sucker, thus need not simplify endoscope structure, correspondingly increases sight glass cavity free space.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is the planform schematic diagram of endoscopic catheters main body of the present invention.

Detailed description of the invention

The present invention is further illustrated below in conjunction with the drawings and specific embodiments.

As Fig. 1, basic structure of the present invention is as follows: comprise film pipe 1 and be provided with the endoscopic catheters main body 9 of annular snap film boss 3; The inner 4 of described film pipe 1 is closed and is fixed in endoscopic catheters main body 9, and outer end is connected with the liquid injection seat 5 being positioned at annular snap film boss 3 rear; Annular snap film boss 3 front is provided with a card zona 2, and card zona 2 inflection formation film inside pipe wall and film pipe outer wall backward walked around by described film pipe 1; Also comprise and to be connected with card zona 2 and for pulling card zona 2 film inside pipe wall to be clamped on handlebar 11 on annular snap film boss 3; When film inside pipe wall is clamped on annular snap film boss 3 by card zona 2, promotion endoscopic catheters main body 9 drives film inside pipe wall to extend forward and is converted into film pipe outer wall.

According to this basic structure, in progradation, endoscopic catheters main body 9 except camera lens position is in all the time within film pipe 1 and does not contact with chamber wall, and extended forward by film inside pipe wall and be progressively converted into film pipe outer wall, achieve hurtless measure operation endoscopic catheters being advanced to inspection, operative site.

Still as Fig. 1, the concrete structure of the embodiment of the present invention is: it comprises endoscopic catheters main body 9, and endoscopic catheters main body 9 is provided with annular snap film boss 3.Also comprise and to be enclosed within outside endoscopic catheters main body 9 and to be positioned at the card zona 2 in annular snap film boss 3 front.Also comprise and to be enclosed within outside endoscopic catheters main body 9 and to be positioned at the liquid injection seat 5 at annular snap film boss 3 rear, liquid injection seat 5 is provided with liquid injection port.Also comprise the liquid shutoff 10 being enclosed within endoscopic catheters main body 9 slidably, this liquid shutoff 10 is positioned at liquid injection seat 5 rear.Be provided with telescopic tube between liquid shutoff 10 and liquid injection seat 5, telescopic tube described in the present embodiment is socketed to form successively by A sleeve pipe 6, B sleeve pipe 7 and C sleeve pipe 8 three tube units, realizes integral telescopic, also can arrange the tube unit of more than level Four.Described telescopic tube can also be whole piece extension type flexible pipe, such as flexible metal conduit.

Short distance enters the place of mirror, also can not establish telescopic tube, and liquid shutoff 10 is directly connected with liquid injection seat 5.

Also comprise the film pipe 1 be enclosed within outside endoscopic catheters main body 9, the inner 4 of film pipe 1 is closed and is fixed in endoscopic catheters main body 9, this the inner 4 is positioned at annular snap film boss 3 rear, film pipe 1 from inner 4 begin to extend back to turn up again after one section extend forward beyond annular snap film boss 3 after extend back again after card zona 2 turns up, outer end is connected with liquid injection seat 5.Closed lubricating fluid space 12 is formed between film pipe 1 and endoscopic catheters main body 9, between film pipe 1 and telescopic tube and between the two membranes pipe walking around card zona 2 in liquid injection seat 5 front.In described lubricating fluid space 12, injected the liquid with lubrication by the liquid injection port on liquid injection seat 5 during use.

Also comprise front end to be connected with card zona 2, the handlebar 11 that rear end passes from liquid shutoff 10.

Be respectively equipped with hydrodynamic reciprocating sealing mechanism (such as spring sealed circle) between liquid shutoff 10 and handlebar 11 and between liquid shutoff 10 and endoscopic catheters main body 9, flow out to avoid the liquid in lubricating fluid space 12.

During use, pull back card zona 2 by handlebar 11, the film pipe extruding inside it is clamped on annular snap film boss 3 by card zona 2, and driven forward endoscopic catheters main body 9 under gripping orientation, by film pipe driven forward certain distance.Above-mentioned action is repeated after endoscopic catheters main body 9 being withdrawn certain distance after unclamping card zona 2.Reciprocation cycle, until be advanced to inspection, operative site by endoscopic catheters.In progradation, endoscopically catheter main body 9 advances, and progressively pushes ahead telescopic tube.

First make telescopic tube pusher when exiting, then endoscopic catheters main body 9 is pulled back.

In order to make film pipe follow up more in an orderly manner in progradation, the pipe outer wall of endoscopic catheters main body 9 is provided with adhesive tape 13, as shown in Figure 2.The film pipe of inner side is bonded in adhesive tape 13, and in progradation, film pipe is dissociated to front gradually by rear.

The present invention is mainly used in the digestive tract such as intestinal, esophagus, stomach, trachea, and the endoscope of ureter etc. imports.Described chamber wall refers to corresponding inner-walls of duct.

Claims (3)

1. endoscopic catheters is moved about propulsion plant, it is characterized in that: comprise film pipe (1) and be provided with the endoscopic catheters main body (9) of annular snap film boss (3); The inner (4) of described film pipe (1) is closed and is fixed in endoscopic catheters main body (9), and outer end is connected with the liquid injection seat (5) being positioned at annular snap film boss (3) rear; Annular snap film boss (3) front is provided with a card zona (2), and described film pipe (1) walks around card zona (2) inflection formation film inside pipe wall and film pipe outer wall backward; Also comprise and to be connected with card zona (2) and for pulling card zona (2) film inside pipe wall to be clamped on handlebar (11) on annular snap film boss (3); When film inside pipe wall is clamped on annular snap film boss (3) by card zona (2), promotion endoscopic catheters main body (9) drives film inside pipe wall to extend forward and is converted into film pipe outer wall.
2. endoscopic catheters as claimed in claim 1 is moved about propulsion plant, and it is characterized in that: also comprise the liquid shutoff (10) being enclosed within endoscopic catheters main body (9) slidably, this liquid shutoff (10) is positioned at liquid injection seat (5) rear; Be provided with telescopic tube between liquid shutoff (10) and liquid injection seat (5), telescopic tube front end is connected with liquid injection seat (5); Described the inner (4) is positioned at annular snap film boss (3) rear, film pipe (1) from inner (4) begin to extend back to turn up again after one section extend forward beyond annular snap film boss (3) after extend back again after card zona (2) turns up, outer end is connected with liquid injection seat (5); Closed lubricating fluid space (12) is formed between film pipe (1) and endoscopic catheters main body (9), between film pipe (1) and telescopic tube and between the two membranes pipe walking around card zona (2) in liquid injection seat (5) front; Handlebar (11) rear end passes from liquid shutoff (10).
3. endoscopic catheters as claimed in claim 1 or 2 is moved about propulsion plant, it is characterized in that: on the pipe outer wall of endoscopic catheters main body (9), be provided with adhesive tape (13).
CN201410506311.5A 2014-09-28 2014-09-28 Endoscopic catheters is moved about propulsion plant CN104207747B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410506311.5A CN104207747B (en) 2014-09-28 2014-09-28 Endoscopic catheters is moved about propulsion plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410506311.5A CN104207747B (en) 2014-09-28 2014-09-28 Endoscopic catheters is moved about propulsion plant

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CN104207747B true CN104207747B (en) 2015-10-07

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04502264A (en) * 1988-12-13 1992-04-23
CN1053357A (en) * 1990-01-15 1991-07-31 张赋功 Turtle neck type telescopic bag
US5171305A (en) * 1991-10-17 1992-12-15 Imagyn Medical, Inc. Linear eversion catheter with reinforced inner body extension
DE19717108A1 (en) * 1997-04-23 1998-11-05 Stm Medtech Starnberg roll-back tube
DE19748500B4 (en) * 1997-11-03 2006-03-30 Stm Medizintechnik Starnberg Gmbh Feed device for a flexible endoscope shaft
JP3864344B2 (en) * 2003-12-05 2006-12-27 フジノン株式会社 Endoscope insertion aid
JP3981364B2 (en) * 2004-03-19 2007-09-26 オリンパス株式会社 Double balloon endoscope system
US20070112250A1 (en) * 2005-11-16 2007-05-17 Yasuhito Kura Insertion support tool for medical instrument and insertion method for medical instrument
JP5174140B2 (en) * 2010-12-24 2013-04-03 富士フイルム株式会社 Endoscope insertion aid
AU2012209013B2 (en) * 2011-08-02 2013-11-14 Cook Medical Technologies Llc Delivery device having a variable diameter introducer sheath

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Granted publication date: 20151007

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