KR101747126B1 - A vascular anastomosis device having a blood vessel clamping structure - Google Patents

A vascular anastomosis device having a blood vessel clamping structure Download PDF

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Publication number
KR101747126B1
KR101747126B1 KR1020160008140A KR20160008140A KR101747126B1 KR 101747126 B1 KR101747126 B1 KR 101747126B1 KR 1020160008140 A KR1020160008140 A KR 1020160008140A KR 20160008140 A KR20160008140 A KR 20160008140A KR 101747126 B1 KR101747126 B1 KR 101747126B1
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KR
South Korea
Prior art keywords
vascular
blood vessel
engaging
pair
outer ring
Prior art date
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KR1020160008140A
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Korean (ko)
Inventor
심기봉
윤창호
김민우
윤장규
변강일
김성호
신영식
정유석
손대구
Original Assignee
주식회사 덴티스
손 대구
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Priority to KR1020160008140A priority Critical patent/KR101747126B1/en
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Publication of KR101747126B1 publication Critical patent/KR101747126B1/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
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
    • A61B2017/0488—Instruments for applying suture clamps, clips or locks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1103—Approximator

Abstract

The present invention relates to a vascular grafting device having a blood vessel clamp structure, and more particularly, to a vascular grafting device having a vascular clamp structure, comprising: a first vascular grafting device which is fastened to and fixed to one end of a blood vessel; And a second vascular augmentor fixedly fastened to the other end of the severed vascular vessel and fastened to the first vascular augmentor, wherein the first vascular augmentor and the second vascular augmentor are connected to the cut blood vessel And a pair of the right and left side portions of the first and second side walls are formed to have the same structure that can be tightly coupled with each other in correspondence with each other.
According to the vascular anastomosis apparatus having a blood vessel clamp structure proposed in the present invention, in constructing a vascular anastomosis apparatus for connecting an end of a severed blood vessel to anastomosis, a pair of vascular grafts connected to each end of the severed blood vessel Wherein each of the vascular augmentors is configured to have a structure of an inner ring and an outer ring to be combined after separation and manufacture so that a blood vessel clamp structure is formed at the time of coupling so that a stable procedure for connecting blood vessels without using a suture It is possible to increase the convenience of manufacturing and using the vascular grafting machine.
According to the present invention, the blood vessels are fixed through the blood vessel clamp structure formed by the combination of the inner ring and the outer ring, and the four coupling structures can be crossed and coupled through the outer ring, It is possible to simultaneously fix the anastomosis using vagina and vascular fixation, and also to minimize vascular damage such as tearing and vascular loss in an area removed after anastomosis.
In addition, the present invention is characterized in that a pair of arch-coupling engagement protrusions and a pair of arch-lock engagement engagements are formed on each of the outer rings of the pair of vascular seal assemblies, And the four coupling structures are crossed and coupled, so that the coupling force can be maintained strong.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vascular grafting device having a vascular clamp structure,

The present invention relates to a vascular anastomosis device having a blood vessel clamp structure, and more particularly, to a vascular anastomosis device having a vascular clamp structure, in which a pair of vascular augmentors having the same structure are used to connect ends of cut blood vessels, The present invention relates to a vascular anastomosis apparatus having a blood vessel clamp structure for allowing a pair of anastomosis and a vascular fixation to be simultaneously performed while a stable operation for connecting blood vessels is possible without using a suture, will be.

As the urbanization progresses rapidly and people's lack of exercise and westernization of eating habits become widespread, so-called vascular occlusive diseases, in which the blood vessels of the human body are narrowed or largely clogged, are gradually increasing. In particular, the majority of heart diseases can be caused by ischemia, which is blocked by blood vessels supplying nutrients and oxygen to the heart, which can be typified by myocardial infarction and angina.

Surgical treatment may often be applied to treat these occlusions, or nearly occluded vessels. For example, a procedure may be used in which the site where vascular occlusion has progressed is cut off and then the cut blood vessels are knitted. In addition to the treatment of such vascular occlusive disease, vascular anastomosis surgery can also be performed in the reconstructive operation of the flap in the above-described manner or in the anastomosis operation of the cut blood vessel.

General vascular anastomosis is performed to reconstruct the tissue defect after trauma or tumor resection. Surgery is very difficult and the operation time is getting longer, and the operation time is too long to increase the risk of complications. There is a problem that when the needle is passed through the inner wall of the blood vessel, it may damage the inner wall of the blood vessel, resulting in a blood clot. Vascular anastomosis using these sutures requires a lot of time and effort even by skilled specialists. In this regard, Korean Patent Laid-Open Publication No. 10-2012-0018640 discloses a vascular anastomosis device as a prior art document.

The present invention has been proposed in order to solve the above-mentioned problems of the previously proposed methods. In constituting the vascular anastomosis apparatus for connecting an end of a severed blood vessel to anastomosis, Wherein each of the vascular augmentors is configured such that the vascular clamp structure is formed at the time of coupling by the structure of the inner ring and the outer ring that are combined after separation and manufacture, It is an object of the present invention to provide a vascular anastomosis apparatus having a blood vessel clamp structure capable of performing stable operation for connecting blood vessels and increasing the convenience of manufacture and use of vascular anastomosis machines.

Further, the present invention is configured such that the blood vessels are fixed through the blood vessel clamp structure formed by the combination of the inner ring and the outer ring, and the four coupling structures can be crossed and coupled through the outer ring, It is an object of the present invention to provide a vascular grafting device having a vascular clamp structure capable of simultaneously performing vascular clamping and vascular clamping using a stapler, The purpose.

In addition, the present invention is characterized in that, by constituting a pair of arch-coupling engagement protrusions and a pair of arch-lock engagement fastening portions on each of the outer rings of the pair of vascular seal assemblies, It is another object of the present invention to provide a vascular grafting device having a blood vessel clamp structure, which enables easy recognition of the coupling and allows the coupling force to be maintained strongly because the four coupling structures are crossed and joined.

According to an aspect of the present invention, there is provided a vascular grafting apparatus having a blood vessel clamp structure,

A vascular grafting device having a blood vessel clamp structure,

A first blood vessel articulator which is fastened and fixed to one of the cut blood vessels; And

And a second vascular augmentor fixedly fastened to the other end of the severed blood vessel and fastened to the first vascular aerator,

The first vascular access unit and the second vascular access unit may comprise:

And a pair of left and right cut-away blood vessels which are formed in the same structure so as to be fastened to each other in correspondence with each other.

Advantageously, each of said first and second vascular aegisers comprises:

An inner ring having a cylindrical inner ring portion formed at one end thereof with a ring groove and a blood vessel fixing portion formed at the other end thereof and a stepped blood vessel accommodation space formed between the inner ring coupling portion and the blood vessel fixing portion; And

And an outer ring formed with an outer ring coupling portion coupled to a ring groove formed in the inner ring coupling portion and having a plurality of arcuate coupling portions extended in a bent form in the outer ring coupling portion.

More preferably, the inner ring and the outer ring are made of a non-

And a ring groove formed in an inner ring coupling portion of the inner ring and an outer ring coupling portion of the outer ring are coupled and fixed to each other, A blood vessel clamp structure in which the blood vessel is fixed to the space can be formed.

More preferably,

The ring groove formed inside the inner ring coupling portion and coupled with the outer ring coupling portion may be formed in a shape of a stepped groove in the blood vessel accommodation space portion.

More preferably,

The blood vessel fixing part may be formed by a step formed at a lower end of the blood vessel fixing part so that the blood vessel fixing can be performed by covering the cut blood vessel that has entered the cylindrical inner diameter.

Still more preferably, the vascular fixation portion comprises:

And may have a downwardly inclined structure from a stepped jaw formed on the side of the vessel receiving space.

Preferably, the plurality of arcuate engaging portions include:

A pair of arm engagement engagement protrusions arranged symmetrically with respect to the outer ring engagement portion of the outer ring in a top-to-bottom or right-and-left direction; And

And a pair of arm-and-attachment engagement fastening portions disposed symmetrically with respect to each other in the left-right direction or the left-and-right direction in which the pair of arm-engagement engagement protrusions are disposed.

More preferably, the plurality of octahedral coupling portions comprise:

Wherein a pair of mating engaging protrusions are formed on the pair of engaging engaging protrusions, and the engaging engaging protrusions are engaged with the pair of engaging engaging engaging portions, And may be configured in such a manner that the groove is opened.

According to the vascular anastomosis apparatus having a blood vessel clamp structure proposed in the present invention, in constructing a vascular anastomosis apparatus for connecting an end of a severed blood vessel to anastomosis, a pair of vascular grafts connected to each end of the severed blood vessel Wherein each of the vascular augmentors is configured to have a structure of an inner ring and an outer ring to be combined after separation and manufacture so that a blood vessel clamp structure is formed at the time of coupling so that a stable procedure for connecting blood vessels without using a suture It is possible to increase the convenience of manufacturing and using the vascular grafting machine.

According to the present invention, the blood vessels are fixed through the blood vessel clamp structure formed by the combination of the inner ring and the outer ring, and the four coupling structures can be crossed and coupled through the outer ring, It is possible to simultaneously fix the anastomosis using vagina and vascular fixation, and also to minimize vascular damage such as tearing and vascular loss in an area removed after anastomosis.

In addition, the present invention is characterized in that, by constituting a pair of arch-coupling engagement protrusions and a pair of arch-lock engagement fastening portions on each of the outer rings of the pair of vascular seal assemblies, And the four coupling structures are crossed and coupled, so that the coupling force can be maintained strong.

1 is a perspective view of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vascular grafting device having a vascular clamp structure,
FIG. 3 is a view showing essential parts of fastening engagement between an inner ring and an outer ring of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention; FIG.
FIG. 4 is a front view of a vascular grafting apparatus having a blood vessel clamp structure according to an embodiment of the present invention; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vascular grafting device,
FIG. 6 is a side view of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention; FIG.
7 is a view illustrating a state in which a blood vessel is inserted into a vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention.
8 is a view illustrating a state where a blood vessel is turned upside down on a vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention.
9 is a view showing a combined state of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.

FIG. 1 is a perspective view of a vascular grafting apparatus having a blood vessel clamp structure according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a vascular grafting apparatus having a blood vessel clamp structure according to an embodiment of the present invention. FIG. 3 is a view showing the essential structure of fastening between an inner ring and an outer ring of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention, and FIG. 4 is a cross- FIG. 5 is a rear view of a vascular graft device having a blood vessel clamp structure according to an embodiment of the present invention. FIG. And FIG. 6 is a side view of a vascular grafting apparatus having a blood vessel clamp structure according to an embodiment of the present invention. 1 to 6, a vascular grafting apparatus having a blood vessel clamp structure according to an embodiment of the present invention includes a first vascular grafting machine 100 and a second vascular grafting machine 100 ' And the like.

The vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention is configured to connect an end of a cut blood vessel 10 and is fastened to an end of one of the cut blood vessels 10 A first vascular anastomosis machine 100 and a second vascular anastomosis machine 100 'fastened and fixed to the other end of the severed blood vessel 10 and fastened to the first vascular anastomizer 100, The first vascular anastomosis machine 100 and the second vascular anastomosis machine 100 'may be constructed of a pair of the same structure so that they can be fastened to each other on the left and right sides of the cut blood vessel 10. That is, the first vascular anastomotic device 100 and the second vascular anastomotic device 100 'of the vascular anastomosis device having a blood vessel clamp structure according to the present invention are fastened to the severed blood vessels 10, So that they can be conveniently used on the left and right sides of the cut blood vessel 10.

2, each of the first vascular anastomosis device 100 and the second vascular anastomosis device 100 'includes an inner ring coupling portion 112 having a cylindrical shape and a ring groove 111 formed at one end thereof, An inner ring 110 in which a blood vessel fixing part 113 is formed at the other end and a stepped blood vessel receiving space 114 is formed between the inner ring coupling part 112 and the blood vessel fixing part 113; An outer ring engaging portion 121 coupled to the ring groove 111 formed in the inner ring engaging portion 112 and a plurality of stitching engaging portions 121 formed to be bent in the outer ring engaging portion 121, And an outer ring 120 in which the outer ring 122 is formed.

The inner ring 110 and the outer ring 120 are separately manufactured and manufactured. A ring groove 111 formed in the inner ring coupling portion 112 of the inner ring 110 and a ring groove 111 formed in the outer ring 120 (See FIG. 3) in which the blood vessel 10 is fixed to the space between the inner ring 110 and the outer ring 120, Can be formed. 2 and 3, the inner ring 110 is formed with a ring groove 111 inward of the inner ring engaging portion 112, and the outer ring engaging portion 121 is fastened and coupled The ring groove 111 may be formed in a shape of a stepped groove in the blood-vessel accommodation space 114. In addition, the inner ring 110 may be formed by a step formed at the other end of the blood vessel fixing part 113, and the blood vessel 10 may be fixed in such a manner that the cut blood vessel 10 entering the inner diameter of the cylindrical shape is turned over . Here, the blood vessel fixing part 113 may be configured to have a downward inclined structure from the stepped jaw formed at the side of the blood vessel receiving space 114.

The plurality of arcuate joining portions 122 formed on the outer ring 120 may include a pair of doors arranged symmetrically with respect to the outer ring engaging portion 121 of the outer ring 120, And a pair of striking engagement protrusions 123 arranged in a symmetrical manner symmetrically with respect to the other up and down or left and right where the pair of striking engagement protrusions 123 are disposed . Here, the pair of door coupling engagement protrusions 123 are formed with a door coupling projection 123a, and the door coupling engagement protrusions 123a are engaged with the pair of door engagement engagement protrusions 124 And an arcuate fitting groove 124a having a corresponding shape to be fastened can be opened. At this time, the arch coupler projection 123a protrudes in a rectangular rounded projection structure, and the arch coupler groove 124a is composed of an open groove corresponding to the arch coupler projection 123a. Since the plurality of stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-stapler-staple-stapler-stapler-staple-staple-staple- I can tell you.

FIG. 7 is a view illustrating a state in which a blood vessel is inserted into a vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention, and FIG. 8 is a cross-sectional view of a vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention. FIG. 9 is a view illustrating a combined state of a vascular grafting device having a blood vessel clamp structure according to an embodiment of the present invention. Referring to FIG. FIGS. 7 to 9 illustrate a pair of blood vessel staplers 100 and 100 'having a blood vessel clamp structure according to an embodiment of the present invention and a blood vessel cutter 100' 10, respectively. 7 shows a state in which both ends of the blood vessel 10 cut into the first vascular anastomizer 100 and the second vascular anastomate 100 'are inserted, and Fig. 8 shows a state where both ends of the first blood vessel augmentor 100 And the blood vessel 10 inserted in the second vascular anastomizer 100 'is turned over to cover the blood vessel fixing portion 113 and the blood vessel accommodation space 114 of the inner ring 110 and is fixed 9 shows a state in which the first vascular anastomosis machine 100 fixed in a state where the blood vessel 10 is turned over and a plurality of the arcuate anchorages 122 formed in the second vascular anastomosis machine 100 'are combined. In other words, a pair of arcuate engaging protrusions 123a formed on the pair of arcuate engaging protrusions 123 of the first vascular anastomosis machine 100 and a pair of arcuate engaging protrusions 123b formed on the second vascular anastomate 100 ' The first and second vascular anastomosis devices 100 and 100 have an arcuate insertion groove 124a formed in the fastening portion 124 and are coupled to each other in a clicked manner. An engaging projection 123a formed on each of the engaging grooves 124a and the pair of engaging engaging protrusions 123 of the second vascular engager 100 'is engaged in a click-fitting manner. Since the four engaging structures formed on the first vascular anastomosis machine 100 and the second vascular anastomosis machine 100 'are crossed and joined to each other, the plurality of the augmentation engaging portions 122 are strongly held, The anastomosis of the severed blood vessel 10 can be performed through the coupling process.

As described above, the vascular anastomosis apparatus having a blood vessel clamp structure according to an embodiment of the present invention can be designed to have a pair of vascular anastomosis machines with the same structure for convenient use, Wherein the blood vessel is fixed through a clamp structure in which each of the pair of vascular augmentors is formed by a combination of an inner ring and an outer ring and four coupling structures formed on the outer ring are crossed Therefore, it is possible for a practitioner to easily recognize that the coupling force is firmly maintained and the blood vessel is fully coupled to the clickable joint when the pair of blood vessel articulators are engaged.

The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.

100: first vascular graft 100 ': second vascular graft
110: inner ring 111: ring groove
112: inner ring coupling portion 113:
114: blood vessel receiving space 120: outer ring
121: outer ring engaging portion 122: engaging portion engaging portion
123: a pair of mating engaging protrusions 123a: the mating engaging projections
124: a pair of striking engagement engaging portions 124a: a striking engagement groove

Claims (8)

A vascular grafting device having a blood vessel clamp structure,
A first vascular augmentor (100) fastened and fixed to one end of a blood vessel (10) of the severed blood vessel (10); And
And a second vascular augmentor 100 'fastened and fixed to the other end of the cut blood vessel 10 and fastened to the first vascular aerator 100,
The first vascular access unit 100 and the second vascular access unit 100 '
A pair of right and left hemispherical blood vessels 10 are formed to have the same structure that can be fastened to each other in correspondence with each other,
Each of the first and second vascular augmentors 100 and 100 '
An inner ring engaging portion 112 having a ring groove 111 formed at one end thereof in a cylindrical shape and a blood vessel fixing portion 113 formed at the other end thereof and the inner ring engaging portion 112 and the blood vessel fixing portion 113 An inner ring 110 on which a stapled blood vessel receiving space 114 is formed; And
An outer ring engaging portion 121 coupled to the ring groove 111 formed in the inner ring engaging portion 112 is formed and a plurality of stitches coupled to the outer ring engaging portion 121, And an outer ring 120 on which a part 122 is formed,
The inner ring (110)
The blood vessel fixing part 113 is formed by a step formed at the other end so as to fix the blood vessel 10 in such a manner that the cut blood vessel 10 having a cylindrical inner diameter is turned over,
The blood vessel fixing section (113)
And a downwardly inclined structure from the stepped jaw formed on the side of the vessel receiving space part (114).
delete 3. The method of claim 1, wherein the inner ring (110) and the outer ring (120)
And a ring groove 111 formed in an inner ring engaging portion 112 of the inner ring 110 and an outer ring engaging portion 121 of the outer ring 120 are fastened and fixed to each other, , Wherein a blood vessel clamp structure is formed in which the blood vessel (10) is fixed to a space between the inner ring (110) and the outer ring (120). The blood vessel clamping structure .
2. The method of claim 1, wherein the inner ring (110)
A ring groove 111 is formed in the inner ring coupling part 112 and the ring groove 111 to which the outer ring coupling part 121 is coupled is coupled with the Wherein the blood vessel clamping structure is formed in a recessed groove shape.
delete delete 5. The stapler according to claim 3 or 4, wherein the plurality of arch locker engaging portions (122)
A pair of arm engagement engaging protrusions (123) arranged symmetrically with respect to the outer ring engaging portion (121) of the outer ring (120) in an up-and-down or right-and-left direction; And
And a pair of stitch engagement engaging portions (124) arranged symmetrically opposite to each other with the other stitch engaging stitch portions (123) disposed therebetween. An apparatus for vascular anastomosis having a vascular clamp structure.
8. The stapler according to claim 7, wherein the plurality of arch locker engaging portions (122)
A pair of mating engaging protrusions 123 are formed in the pair of engaging engaging protrusions 123 and the engaging engaging protrusions 123a are engaged with the pair of engaging engaging engaging portions 124, Is configured such that an arcuate fitting groove (124a) of a corresponding shape is opened so as to be able to be fastened to the side wall of the vascular graft.
KR1020160008140A 2016-01-22 2016-01-22 A vascular anastomosis device having a blood vessel clamping structure KR101747126B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101070697B1 (en) * 2010-12-15 2011-10-07 (주)트리플씨메디칼 Adhesion type isomorphic all-in-one anastomosis ring set and adhesion-type isomorphic all-in-one anastomosis ring

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101070697B1 (en) * 2010-12-15 2011-10-07 (주)트리플씨메디칼 Adhesion type isomorphic all-in-one anastomosis ring set and adhesion-type isomorphic all-in-one anastomosis ring

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