CN103908323A - Contractive puncture cannula - Google Patents

Contractive puncture cannula Download PDF

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Publication number
CN103908323A
CN103908323A CN201410142834.6A CN201410142834A CN103908323A CN 103908323 A CN103908323 A CN 103908323A CN 201410142834 A CN201410142834 A CN 201410142834A CN 103908323 A CN103908323 A CN 103908323A
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CN
China
Prior art keywords
pipe
cradling piece
puncture casing
contraction type
circle
Prior art date
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Granted
Application number
CN201410142834.6A
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Chinese (zh)
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CN103908323B (en
Inventor
李卷
全嫒
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Individual
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Individual
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Priority to CN201410142834.6A priority Critical patent/CN103908323B/en
Publication of CN103908323A publication Critical patent/CN103908323A/en
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Publication of CN103908323B publication Critical patent/CN103908323B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a contractive puncture cannula. The contractive puncture cannula comprises an air feeding valve (1), a cap (2), a movable rack portion (3) and a fixed rack portion (4), wherein a sealing film (3-2) is adhered between a movable cover plate (3-1) and a pipe (4-1); a rotating rack (3-3) is connected with the movable cover plate (3-1); a fixed rack (3-4) and a fixed rack (4-2) are connected with the pipe (4-1); and the rotating rack (3-3) is connected with the fixed rack (3-4) through a bolt (3-5) and a nut (3-6). When the pipe (4-1) and the movable cover plate (3-1) are inserted in the abdominal cavity of a patient, the rotating rack (3-3) can be operated to place a human tissue in the abdominal cavity which is cut off and taken out and pull out the human tissue, and a phenomenon that the human tissue is squeezed in the abdominal cavity of the patient and cannot be pulled out is avoided. The contractive puncture cannula is suitable for taking out various tissues in a minimally invasive surgery; and a technical means is provided for replacing the existing laparotomy by using the minimally invasive surgery.

Description

Band contraction type puncture casing
One, technical field:
The puncture casing that the present invention relates to use in Minimally Invasive Surgery in medical science.
Two, technical background:
In Minimally Invasive Surgery, as calculus in gallbladder is taken out in operation, after many calculus are taken out and are placed on cloth bag from gallbladder, because cloth bag is soft, in the time that it is pulled out from puncture casing, calculus in cloth bag can not enter puncture casing, can not extract stomach wall with sleeve pipe, need expand wound or calculus gradation is taken out with scalpel.This situation is at gastrointestinal, gallbladder regulating liver-QI, and also exists in the Minimally Invasive Surgery such as uterus, like this, not only makes Minimally Invasive Surgery success rate greatly reduce, and increases the corrective surgery time, makes troubles to doctor's operation.
Three, summary of the invention:
Object of the present invention is just to provide in a kind of minimal invasive surgical procedures, cloth bag in-built when many materials, the band contraction type puncture casing of more convenient taking-up.
In order to reach above object, operation principle of the present invention is: put inner ring in the inside, outer ring, inner ring and cradling piece are connected, the cradling piece gluing that is positioned on inner ring front end has Polypropylence Sheet, rear circle and outer ring are connected, intake valve and medicated cap are positioned on Hou Quan rear portion, and in the time that operation inner ring moves forward and backward, cradling piece can open and tighten up.When concrete use, first cradling piece is tightened up, be inserted into intraperitoneal from human body incision, until outer ring enters abdominal cavity; Then, pass through to control inner ring by this outside of people,
Cradling piece is opened, from the clamp in another hole, the tissue cutting is put into the cradling piece and the Polypropylence Sheet of glue on cradling piece that open, mobile inner ring shrinks cradling piece, thereby the tissue of putting into is packed tightly, by each portion pull-out of inserting in human body.
In order to reach above object, operation principle of the present invention is: rotating turret is connected by screw bolt and nut and fixed mount, removable cover and rotating turret are connected, fixed mount and pipe are connected, between removable cover and pipe, glue has sealing film, operation rotating turret, removable cover is pipe opening and closing relatively, when concrete operations, first by closed between removable cover and pipe, be inserted into human body from human body incision, until intraperitoneal, at human external control rotating turret, allow the relative pipe of removable cover open, the tissue that will take out is put into pipe, in the space that removable cover and sealing film surround, rotate frame, allow removable cover and pipe cover tightly, then they are shifted out external.
Four, tool of the present invention has the following advantages:
Adopt after above method, can overcome in existing Minimally Invasive Surgery, tissue, in the external process of pull-out, is all extruded in vivo, forms a large-scale object and can not take out external situation.Convenient to operation on the one hand, its suitability is wide on the other hand; When it has avoided the former taking-up by various tissues such as liver, stomach, uterus, need separately to make a larger otch and will organize taking-up, realized Wicresoft truly.
Accompanying drawing explanation:
Accompanying drawing 1 is band contraction type puncture casing the 1st embodiment cutaway view of the present invention.
Accompanying drawing 2 is band contraction type puncture casing the 1st embodiment modular construction figure of the present invention.
Accompanying drawing 3 is that band contraction type puncture casing the 1st of the present invention is implemented accompanying drawing 2 to view.
Accompanying drawing 4 is that band contraction type puncture casing the 1st of the present invention is implemented parts structure chart.
Accompanying drawing 5 is that band contraction type puncture casing the 1st of the present invention is implemented parts structure chart.
Accompanying drawing 6 is that band contraction type puncture casing the 1st of the present invention is implemented accompanying drawing 1 to view.
Accompanying drawing 7 is that band contraction type puncture casing the 1st of the present invention is implemented accompanying drawing 1 to view.
Accompanying drawing 8 is that band contraction type puncture casing the 2nd of the present invention is implemented partial sectional view.
Accompanying drawing 9 is that band contraction type puncture casing the 2nd of the present invention is implemented accompanying drawing 8 to view.
Accompanying drawing 10 is that band contraction type puncture casing the 2nd of the present invention is implemented accompanying drawing 8 cutaway views.
Accompanying drawing 11 is that band contraction type puncture casing the 2nd of the present invention is implemented accompanying drawing 10 to view.
Accompanying drawing 12 is that band contraction type puncture casing the 2nd of the present invention is implemented accompanying drawing 10 cutaway views.
Six, the specific embodiment:
At accompanying drawing 1, to the 1st embodiment shown in accompanying drawing 7, band contraction type puncture casing of the present invention comprises intake valve (1), medicated cap (2), holder part (3), control section (4), housing parts (5); Holder part (3) comprises cradling piece (3-1), Polypropylence Sheet (3-2), hinge circle (3-3) and rivet (3-4); Control section (4) comprises inner ring (4-1), key (4-2) and stove bolt (4-3); Housing parts (5) comprises outer ring (5-1), rear circle (5-2), bolt (5-3), nut (5-4), rivet (5-5) and valve rubber (5-6); In the time of concrete installation, inner ring (4-1) pierces in outer ring (5-1) from behind, it is upper that key (4-2) is positioned on inner ring (4-1) by stove bolt (4-3), and key (4-2) is stuck in the groove of opening outer ring (5-1); The trough at the rear portion of cradling piece (3-1) is stuck in the bearing support that inner ring (4-1) stretches out, and rivets (seeing accompanying drawing 5) by rivet (3-4); The hinge circle (3-3) of the upper weldering of cradling piece (3-1) is stuck in the bearing support stretching out outer ring (5-1), rivets (seeing accompanying drawing 4) by rivet (5-5); Polypropylence Sheet (3-2) is glued on cradling piece (3-1); The side of the trough that valve rubber (5-6) glue is opened at Hou Quan (5-2), after the bar that protrude at inner ring (4-1) rear portion is stuck in the groove of rear circle (5-2), rear circle (5-2) is connected by bolt (5-3) and nut (5-4) and outer ring (5-1); Intake valve (1) and medicated cap (2) are positioned on rear figure (5-2).In the time of concrete operations, in less invasive techniques process, when the thing that will take out by clamp at intraperitoneal, originally the existing puncture casing using can be taken out, pocket knife is inserted to former otch with thinner two, otch is pulled open to certain distance up and down, cradling piece (3-1) front end is injected from opening part, until intraperitoneal, then outer ring (5-1) front end is to intraperitoneal, the bar that inner ring (4-1) rear portion is protruded pushes away forward, the rivet (3-4) that cradling piece (3-1) encases around hinge circle (3-3) is rotated, until Polypropylence Sheet (3-2) all opens; The thing that will get is placed in the Polypropylence Sheet (3-2) the cradling piece (3-1) opening from another hole by pliers, unclamp pliers, the bar that protrude at mobile inner ring (4-1) rear portion backward, the rivet (3-4) that cradling piece (3-1) encases around hinge circle (3-3) rotates, and makes cradling piece (3-1) and Polypropylence Sheet (3-2) that the thing of putting into is encased to clamping.At this moment, entirety is pulled out from patient's surgical openings.In this process, because the thing that will take out is clamped, going out in abdominal cavity process, can not move backward, finally form a large shape spheroid, but strip and easily pull-out.From then in addition, in whole operating process, valve rubber (5-6) is pushed down the side of inner ring (4-1) rear portion abutting stem all the time, does not allow the gas of the inside run away.
At accompanying drawing 8, to the 2nd embodiment shown in accompanying drawing 12, band contraction type puncture casing of the present invention comprises intake valve (1), medicated cap (2), adjustable shelf part (3), holder segment (4); Adjustable shelf part (3) comprises removable cover (3-1), sealing film (3-2), rotating turret (3-3), fixed mount (3-4), bolt (3-5) and nut (3-6); Holder segment (4) comprises pipe (4-1) and fixed mount (4-2).Wherein, removable cover (3-1) and pipe (4-1) were an overall pipe originally, were just cut open at front end, were divided into two parts.Between removable cover (3-1) and pipe (4-1), glue has sealing film (3-2), removable cover (3-1) is welded on rotating turret (3-3), it is upper that fixed mount (3-4) is welded on pipe (4-1), and fixed mount (3-4) and rotating turret (3-3) are connected by bolt (3-5) and nut (3-6); Fixed mount (4-2) is welded on pipe (4-1).Intake valve (1) and medicated cap (2) are positioned on pipe (4-1) rear portion.When concrete operations, first rotating turret (3-3) is moved to position shown in accompanying drawing 9, removable cover (3-1) and pipe (4-1) are combined, and insert patient's otch, put in abdominal cavity until desired location, rotating turret (3-3) bottom is moved forward, rotating turret (3-3) rotates around bolt (3-5), drive removable cover (3-1) also to rotate around bolt (3-5), removable cover (3-1) front end is opened, tissue under cutting is put into the removable cover (3-1) opening by another handling tongs, in the taper hole that pipe (4-1) and sealing film (3-2) surround, arrest rotating turret (3-3) bottom and fixed mount (4-2) bottom with hands, firmly make rotating turret (3-3) rotate around bolt (3-5), the tissue that removable cover (3-1) will take out is pressed between pipe (4-1) and removable cover (3-1), then, by whole puncture casing pull-out, reach the 1st and implement effect same.In this process, sealing film (3-2) in the time that tissue enters, can not drop on the one hand; On the other hand, also can prevent that the air pressure transmitting from intake valve (1) and medicated cap (2) part from can not be leaked.

Claims (4)

1. a band contraction type puncture casing, comprise intake valve (1) and medicated cap (2), intake valve (1) and medicated cap (2) are positioned on rear circle (5-2), it is characterized in that: it is upper that the Polypropylence Sheet (3-2) in support branch (3) is positioned on cradling piece (3-1), hinge circle (3-3) is welded on cradling piece (3-1); The trough at cradling piece (3-1) rear portion is stuck in the bearing support that inner ring (4-1) stretches out, and is rivetted by rivet (3-4); The hinge circle (3-3) of the upper weldering of cradling piece (3-1) is stuck in the bearing support stretching out outer ring (5-1), is rivetted by rivet (5-5); Rear circle (5-2) is connected with outer ring (5-1) by bolt (5-3) and nut (5-4).
2. band contraction type puncture casing according to claim 1, it is characterized in that: the side of the trough that valve rubber (5-6) glue is opened at Hou Quan (5-2), the bar that protrude at inner ring (4-1) rear portion is stuck in the groove of rear circle (5-2).
3. according to the band contraction type puncture casing described in technical requirement 1 or 2, it is characterized in that: key (4-2) is positioned on inner ring (4-1) by stove bolt (4-3).
4. a band contraction type puncture casing, comprise intake valve (1) and medicated cap (2), intake valve (1) and medicated cap (2) are positioned on pipe (4-1), it is characterized in that: sealing film (3-2) glue is at pipe (4-1) with above cover plate (3-1), removable cover (3-1) is welded on rotating turret (3-3), fixed mount (3-4) is welded on pipe (4-1), fixed mount (3-4) and rotating turret (3-3) are connected by bolt (3-5) and nut (3-6), fixed mount (4-2) is welded on pipe (4-1).
CN201410142834.6A 2014-04-11 2014-04-11 Contractive puncture cannula Active CN103908323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201410142834.6A CN103908323B (en) 2014-04-11 2014-04-11 Contractive puncture cannula

Publications (2)

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CN103908323A true CN103908323A (en) 2014-07-09
CN103908323B CN103908323B (en) 2017-02-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107961043A (en) * 2017-12-20 2018-04-27 王兰华 A kind of tumor biopsy puncture outfit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060052799A1 (en) * 1989-08-16 2006-03-09 Medtronic Vascular, Inc. Method of manipulating matter in a mammalian body
CN2827280Y (en) * 2005-06-27 2006-10-18 董素林 Multi-functional air-sac type puncture guiding means
CN202554040U (en) * 2012-03-13 2012-11-28 步运慧 A calculus breaking pliers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060052799A1 (en) * 1989-08-16 2006-03-09 Medtronic Vascular, Inc. Method of manipulating matter in a mammalian body
CN2827280Y (en) * 2005-06-27 2006-10-18 董素林 Multi-functional air-sac type puncture guiding means
CN202554040U (en) * 2012-03-13 2012-11-28 步运慧 A calculus breaking pliers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107961043A (en) * 2017-12-20 2018-04-27 王兰华 A kind of tumor biopsy puncture outfit
CN107961043B (en) * 2017-12-20 2020-07-24 王兰华 Tumor biopsy puncture outfit

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Inventor after: Li Juan

Inventor after: Quan Ai

Inventor after: Chen Xiangyu

Inventor before: Li Juan

Inventor before: Quan Ai