CN112690837B - Angle adjustment structure plugging device for cardiac surgery - Google Patents
Angle adjustment structure plugging device for cardiac surgery Download PDFInfo
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- CN112690837B CN112690837B CN202110044904.4A CN202110044904A CN112690837B CN 112690837 B CN112690837 B CN 112690837B CN 202110044904 A CN202110044904 A CN 202110044904A CN 112690837 B CN112690837 B CN 112690837B
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00597—Implements comprising a membrane
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00623—Introducing or retrieving devices therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (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 an angle adjusting structure plugging device for cardiac surgery. The side opening corresponding to the heart defect part and used for placing the plugging device is axially formed in the side wall of the guiding tube, a guiding hole with a rectangular section is formed in the axial direction of the guiding tube, a guiding structure formed by the guiding tube, the sliding plate, the elastic rope, the long rod and the elastic film is arranged in the guiding hole, the plugging device can be turned to and positioned through the guiding mechanism, meanwhile, the sliding plate of the guiding mechanism can slide downwards when being subjected to radial pressure of the plugging device guide tube, the guiding hole is communicated in the length direction, and the plugging device guide tube is convenient to place a plurality of plugging devices. The invention can realize the plugging of the double-hole or porous congenital heart atrium and ventricular septal defect in the operation, realize the steering problem of plugging, and solve the guiding and positioning problem of arranging a plurality of affected parts.
Description
Technical Field
The invention relates to the technical field of auxiliary medical instruments for extra-cardiac surgery, in particular to an angle adjusting structure plugging device for cardiac surgery.
Background
The patent number 200610090704.8, named as an occluder conveying system for cardiac surgery, discloses that a cardiac surgeon can directly send an occluder into a focus part to carry out occlusion treatment through puncture of a body surface part by using the system. However, when the patient is a double-hole or porous heart septal defect, the device can not well solve the problem of guiding and positioning of the occluder at a plurality of affected parts, and therefore, the invention provides an angle adjusting structure occluder for cardiac surgery and a use method thereof.
Disclosure of Invention
The invention aims to provide an angle adjusting structure plugging device for cardiac surgery, which can realize plugging of double-hole or porous congenital heart atrial and ventricular septal defects in operation, realize the steering problem of plugging and solve the guiding and positioning problem of arranging a plurality of affected parts.
In order to achieve the above purpose, the present invention provides the following technical solutions: an angle adjustment structure occluder for cardiac surgery, comprising:
the side wall of the guide tube is provided with a plurality of side holes which correspond to heart defect parts and are used for placing the occluder along the axial direction of the guide tube, a guide hole with a rectangular section is formed along the axial direction of the guide tube, the side walls of the two sides of the guide hole are correspondingly provided with at least two groups of vertical sliding grooves and at least two groups of transverse sliding grooves, and the transverse sliding grooves are positioned on one side of the vertical sliding grooves close to the inlet of the guide tube;
the two sides of the upper end and the two sides of the lower end of the sliding plate are respectively fixedly provided with a cylindrical sliding block, the cylindrical sliding blocks on the two sides of the upper end are slidably arranged in the vertical sliding grooves on the two sides, and the cylindrical sliding blocks on the two sides of the lower end are slidably arranged in the horizontal sliding grooves on the two sides;
at least two elastic membranes, one end of each elastic membrane is fixed on one side of the upper side opening of the top wall of the guide hole, the other end of each elastic membrane is fixedly connected with one end of each elastic rope and can block the lower end of the corresponding side opening when stretching, a long rod is horizontally fixed on the side wall of the guide hole on the other side of the corresponding side opening, and the other end of each elastic rope is wound around the long rod and is fixed at the upper end of the sliding plate.
Preferably, the slide board keeps the inclined state when not bearing force, and the side open hole is the inclined hole equal with slide board inclination angle.
Preferably, the upper surface extension line of the sliding plate is flush with the side wall of the side hole when the sliding plate is not stressed.
Preferably, each elastic membrane is connected with the sliding plate through two elastic ropes, and two annular grooves corresponding to the elastic ropes are correspondingly formed in the long rod.
Preferably, the guide tube, the sliding plate, the elastic rope, the long rod and the elastic film are all made of medical polymer materials through 3D printing.
A method for placing an extracardiac surgical occluder, comprising the steps of:
firstly, finding out a proper position to place a guide tube through ultrasonic detection, so that a plurality of side openings on the guide tube are aligned to a plurality of notch positions of the heart;
placing a first set of occluder on the occluder catheter, penetrating one end of the occluder catheter with the first set of occluder from the inlet of the guide tube, guiding by the first sliding plate, turning upwards to penetrate into the first side opening, and delivering the first set of occluder into the notch position of the first heart;
thirdly, when a second set of occluder is needed to be fed into a second heart notch position, penetrating one end of an occluder catheter with the second set of occluder from an inlet of a guide tube, enabling the occluder catheter to apply radial force to a first sliding plate, forcing the sliding plate to drive an elastic rope to stretch and move downwards, and driving an elastic membrane to extend along an axial direction, so that a first side opening is sealed, and simultaneously, opening a channel of the guide tube along the length direction, so that the occluder catheter can penetrate out along a second side opening of the second sliding plate with the second set of occluder, and the second notch position of the heart is sealed;
fourth, when more cardiac notch locations are needed to be fed into the occluder, the above steps can be repeated.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple and ingenious structure, can rapidly realize the plugging operation of a plurality of heart gaps, save operation time, improve operation success rate, realize the plugging of double-hole or porous congenital heart atrial and ventricular septal defects in operation, realize the steering problem of plugging, and solve the guiding and positioning problem of arranging a plurality of affected parts.
Drawings
FIG. 1 is an end view of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 in another state;
in the figure: the device comprises a 1-guiding tube, a 2-side opening, a 3-elastic membrane, a 4-elastic rope, a 5-long rod, a 6-sliding plate, a 7-vertical sliding groove, a 8-transverse sliding groove, a 9-stopper tube and a 10-annular groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: an angle adjustment structure occluder for cardiac surgery, comprising: the heart defect part is characterized by comprising a guide tube 1, at least two sliding plates 6 and at least two elastic films 3, wherein a plurality of side holes 2 which correspond to heart defect parts and are used for placing the occluder are axially formed in the side wall of the guide tube 1, guide holes with rectangular sections are formed in the axial direction of the guide tube 1, at least two groups of vertical sliding grooves 7 and at least two groups of transverse sliding grooves 8 are correspondingly formed in the side walls of the two sides of the guide holes, and the transverse sliding grooves 8 are positioned on one side, close to the inlet of the guide tube 1, of the vertical sliding grooves 7;
cylindrical sliding blocks are fixed on the two sides of the upper end and the two sides of the lower end of the sliding plate 6, the cylindrical sliding blocks on the two sides of the upper end are arranged in vertical sliding grooves 7 on the two sides in a sliding manner, and the cylindrical sliding blocks on the two sides of the lower end are arranged in horizontal sliding grooves 8 on the two sides in a sliding manner;
one end of the elastic membrane 3 is fixed on one side of the top wall upper side opening 2 of the guide hole, the other end is fixedly connected with one end of the elastic rope 4 and can block the lower end of the side opening 2 when stretching, a long rod 5 is horizontally fixed on the side wall of the other side guide hole of the corresponding side opening 2, and the other end of the elastic rope 4 is wound around the long rod 5 and is fixed on the upper end of the sliding plate 6.
The slide plate 6 is kept in an inclined state when not stressed, the side opening 2 is an inclined hole with the same inclination angle as the slide plate 6, and the extension line of the upper surface of the slide plate 6 is flush with the side wall of the side opening 2 when not stressed.
Each elastic membrane 3 is connected with the sliding plate 6 through two elastic ropes 4, and two annular grooves 10 which are correspondingly arranged with the elastic ropes 4 are correspondingly arranged on the long rod 5, so that abrasion of the elastic ropes 4 is reduced.
The guiding tube 1, the sliding plate 6, the elastic rope 4, the long rod 5 and the elastic membrane 3 are all made of medical polymer materials through 3D printing, and the guiding tube, the sliding plate 6, the elastic rope 4, the long rod 5 and the elastic membrane integrally form a guiding structure of the plugging device. In the manufacturing process, the bottom surface and the side surface of the guide tube 1 are printed firstly, then the printing of the sliding plate 6 is finished in the long groove corresponding to the guide tube 1, and finally the printing of the upper top surface of the guide tube 1, the elastic membrane 3 and the elastic rope 4 is finished. The elastic membrane 3 has relatively good ductility, and in an initial state, the elastic membrane 3 is gathered at the left side position of the side hole formed on the upper top surface of the guide tube 1. The initial state of the guide tube 1, the slide plate 6, the elastic cord 4, the long rod 5 and the elastic membrane 3 when the elastic cord 4 is not deformed is shown in fig. 1.
A method for placing an extracardiac surgical occluder, comprising the steps of:
firstly, finding out a proper position to place a guide tube 1 through ultrasonic detection, and enabling a plurality of side openings 2 on the guide tube 1 to be aligned with a plurality of notch positions of the heart;
secondly, placing a first set of occluder on the occluder catheter 9, penetrating one end of the occluder catheter 9 with the first set of occluder from the inlet of the guide tube 1, guiding by the first sliding plate 6, turning upwards to penetrate into the first side opening 2, and delivering the first set of occluder into the notch position of the first heart;
thirdly, when a second set of occluder is needed to be fed into a second heart notch position, one end of an occluder guide tube 9 with the second set of occluder is penetrated from the inlet of the guide tube 1, so that the occluder guide tube 9 applies radial force to the first sliding plate 6, the sliding plate 6 is forced to drive the elastic rope 4 to stretch and move downwards, the elastic membrane 3 is driven to extend along the axial direction, the first side opening is sealed, meanwhile, the guide tube 1 is opened along a channel in the length direction, and the occluder guide tube 9 can pass out along the second side opening position of the second sliding plate 6 with the second set of occluder, so that the occlusion of the second heart notch position is realized;
fourth, when more cardiac notch locations are needed to be fed into the occluder, the above steps can be repeated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An angle adjustment structure occluder for cardiac surgery, comprising:
the device comprises a guide tube (1), wherein a plurality of side holes (2) which correspond to heart defect parts and are used for placing occluders are formed in the side wall of the guide tube (1) along the axial direction, guide holes with rectangular cross sections are formed in the axial direction of the guide tube (1), at least two groups of vertical sliding grooves (7) and at least two groups of transverse sliding grooves (8) are correspondingly formed in the side walls of the two sides of the guide holes, and the transverse sliding grooves (8) are positioned on one side, close to an inlet of the guide tube (1), of the vertical sliding grooves (7);
the two sides of the upper end and the two sides of the lower end of the sliding plate (6) are respectively fixed with a cylindrical sliding block, the cylindrical sliding blocks on the two sides of the upper end are arranged in the vertical sliding grooves (7) on the two sides in a sliding manner, and the cylindrical sliding blocks on the two sides of the lower end are arranged in the horizontal sliding grooves (8) on the two sides in a sliding manner;
at least two elastic membrane (3), one end of elastic membrane (3) is fixed in one side of roof upside trompil (2) of guide hole, and the one end of other end fixed connection elastic rope (4) just can block the lower extreme of side trompil (2) when tensile, is fixed with stock (5) on the opposite side guide hole lateral wall of corresponding side trompil (2) level, and the other end of elastic rope (4) winds stock (5) and fixes the upper end at slide (6).
2. An angle adjustment structure sealer for cardiac surgery as claimed in claim 1, wherein: the sliding plate (6) is kept in an inclined state when not stressed, and the side holes (2) are inclined holes with the same inclination angle as the sliding plate (6).
3. An angle adjustment structure sealer for cardiac surgery as claimed in claim 1, wherein: the upper surface extension line of the sliding plate (6) is flush with the side wall of the side hole (2) when the sliding plate is not stressed.
4. An angle adjustment structure sealer for cardiac surgery as claimed in claim 1, wherein: each elastic membrane (3) is connected with the sliding plate (6) through two elastic ropes (4), and two annular grooves (10) which are correspondingly arranged with the elastic ropes (4) are correspondingly arranged on the long rod (5).
5. An angle adjustment structure sealer for cardiac surgery as claimed in claim 1, wherein: the guiding tube (1), the sliding plate (6), the elastic rope (4), the long rod (5) and the elastic membrane (3) are all made of medical polymer materials through 3D printing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020113291284 | 2020-11-24 | ||
| CN202011329128 | 2020-11-24 |
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| Publication Number | Publication Date |
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| CN112690837A CN112690837A (en) | 2021-04-23 |
| CN112690837B true CN112690837B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110044904.4A Active CN112690837B (en) | 2020-11-24 | 2021-01-13 | Angle adjustment structure plugging device for cardiac surgery |
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Citations (8)
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| CN101172048A (en) * | 2007-09-07 | 2008-05-07 | 邢泉生 | Transthoracic minimally invasive heart ventricular septal defect plugging device conveying system and method thereof |
| CN204306859U (en) * | 2014-10-30 | 2015-05-06 | 广州新诚生物科技有限公司 | Novel heart septal defect blocking device |
| CN105997158A (en) * | 2016-05-06 | 2016-10-12 | 广州新诚生物科技有限公司 | A heart defect occluder |
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| CN109077759A (en) * | 2018-10-23 | 2018-12-25 | 昆明市延安医院 | A kind of porous atrial septal defect plugging device |
| CN109480930A (en) * | 2018-12-14 | 2019-03-19 | 先健科技(深圳)有限公司 | Stitching devices and system |
| CN109998610A (en) * | 2019-05-09 | 2019-07-12 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | A kind of surgery of congenital heart disease interventional therapy conveying device |
| CN110621236A (en) * | 2017-05-16 | 2019-12-27 | 爱德华兹生命科学公司 | Cross-compartment closure device |
Family Cites Families (3)
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| US7226466B2 (en) * | 2001-09-06 | 2007-06-05 | Nmt Medical, Inc. | Flexible delivery system |
| US7654997B2 (en) * | 2004-04-21 | 2010-02-02 | Acclarent, Inc. | Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat |
| US20200147347A1 (en) * | 2015-09-15 | 2020-05-14 | Orbusneich Medical Pte. Ltd. | Vascular re-entry catheter |
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2021
- 2021-01-13 CN CN202110044904.4A patent/CN112690837B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172048A (en) * | 2007-09-07 | 2008-05-07 | 邢泉生 | Transthoracic minimally invasive heart ventricular septal defect plugging device conveying system and method thereof |
| CN204306859U (en) * | 2014-10-30 | 2015-05-06 | 广州新诚生物科技有限公司 | Novel heart septal defect blocking device |
| CN105997158A (en) * | 2016-05-06 | 2016-10-12 | 广州新诚生物科技有限公司 | A heart defect occluder |
| CN206007288U (en) * | 2016-05-13 | 2017-03-15 | 广州新诚生物科技有限公司 | Flexible puncture sheath |
| CN110621236A (en) * | 2017-05-16 | 2019-12-27 | 爱德华兹生命科学公司 | Cross-compartment closure device |
| CN109077759A (en) * | 2018-10-23 | 2018-12-25 | 昆明市延安医院 | A kind of porous atrial septal defect plugging device |
| CN109480930A (en) * | 2018-12-14 | 2019-03-19 | 先健科技(深圳)有限公司 | Stitching devices and system |
| CN109998610A (en) * | 2019-05-09 | 2019-07-12 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | A kind of surgery of congenital heart disease interventional therapy conveying device |
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| CN112690837A (en) | 2021-04-23 |
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