CN113967043A - Automatic implantation device of artifical mitral valve exempts from to sew up - Google Patents
Automatic implantation device of artifical mitral valve exempts from to sew up Download PDFInfo
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- CN113967043A CN113967043A CN202111252887.XA CN202111252887A CN113967043A CN 113967043 A CN113967043 A CN 113967043A CN 202111252887 A CN202111252887 A CN 202111252887A CN 113967043 A CN113967043 A CN 113967043A
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- expanding
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- 210000004115 mitral valve Anatomy 0.000 title claims abstract description 56
- 238000002513 implantation Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 239000000956 alloy Substances 0.000 claims abstract description 36
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 36
- 230000010339 dilation Effects 0.000 claims description 16
- 230000005389 magnetism Effects 0.000 claims description 9
- 230000011218 segmentation Effects 0.000 claims description 6
- 102000008186 Collagen Human genes 0.000 claims description 4
- 108010035532 Collagen Proteins 0.000 claims description 4
- 229920001436 collagen Polymers 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 7
- 238000010030 laminating Methods 0.000 claims 1
- 238000009958 sewing Methods 0.000 claims 1
- 230000000747 cardiac effect Effects 0.000 abstract description 6
- 210000003709 heart valve Anatomy 0.000 abstract description 4
- 206010052428 Wound Diseases 0.000 description 132
- 208000027418 Wounds and injury Diseases 0.000 description 132
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 230000000916 dilatatory effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 208000014674 injury Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008733 trauma Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000003698 chordae tendineae Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 210000001174 endocardium Anatomy 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003540 papillary muscle Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Transplantation (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a suture-free automatic implantation device for an artificial mitral valve, and particularly relates to the field of a cardiac valve, which comprises an expanding mechanism for supporting and opening a cardiac wound of a patient, wherein a holding mechanism for holding the artificial mitral valve by medical personnel is arranged outside the expanding mechanism, a suspended mitral valve implanting mechanism is arranged at the top of the expanding mechanism, the expanding mechanism comprises an annular elastic alloy frame, the outer wall of the annular elastic alloy frame is connected with a plurality of torsion spring type connecting pins, and the annular elastic alloy frame is hinged with a plurality of supporting cantilevers for expanding the cardiac wound of the patient through the torsion spring type connecting pins. The invention utilizes the mutual coordination control of the wound expanding mechanism and the suspended mitral valve implanting mechanism to realize a more convenient operation mode for the wound expanding of the patient, and simultaneously utilizes a plurality of different matching modes to ensure that the implantation angle and the implantation mode of the artificial mechanical valve ring and the artificial mechanical valve are more convenient.
Description
Technical Field
The invention relates to the technical field of heart valves in cardiology, in particular to a sewing-free automatic implantation device for a mitral valve prosthesis.
Background
The mitral valve, i.e. the left atrioventricular valve, is attached to the left fibrous atrioventricular ring, is formed by the folds of the endocardium, and is provided with two valves, wherein the valve positioned at the front inner side is the anterior cusp, which is larger and is often called as the large valve and is a boundary mark of the inflow channel and the outflow channel of the left ventricle; the valve is a small cuspate valve which is often called a small valve and is positioned on the posterolateral side, the cusp of the valve is towards the left ventricle cavity, the bottom edges of the two valves are often fused with each other, a small side valve sometimes appears between the two valves, the cusp, the edges and the ventricular surface of the valve are provided with a plurality of chordae tendineae which are connected with papillary muscles, and when the ventricle contracts, the mitral valve can tightly close the atrioventricular orifice to prevent blood from flowing back into the left atrium.
The mitral valve prosthesis is divided into a mechanical valve and a biological valve, because the use period of the biological valve is short, the original valve of the heart is replaced by the mechanical mitral valve in the preferred scheme of replacing the heart valve of a young person, but the angle of the valve needs to be repeatedly adjusted in the actual replacement and operation process of the heart valve, and no device for assisting valve replacement is used in the existing valve replacement type operation, so that the device convenient for valve replacement is needed to be used in practice.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a suture-free automatic implantation device for a mitral valve prosthesis, which achieves a more convenient operation manner for wound dilation of a patient by using a coordinated control of a dilation mechanism and a suspended mitral valve insertion mechanism, and meanwhile, the present invention utilizes a plurality of different cooperation manners to solve the problems proposed in the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: the automatic implantation device without suturing for the artificial mitral valve comprises an expanding and trauma mechanism for supporting and opening the cardiac wound of a patient, wherein a holding mechanism for holding the artificial mitral valve by medical personnel is arranged outside the expanding and trauma mechanism, a suspended mitral valve implanting mechanism is arranged at the top of the expanding and trauma mechanism, the expanding and trauma mechanism comprises an annular elastic alloy frame, the outer wall of the annular elastic alloy frame is connected with a plurality of torsional spring type connecting pins, and the annular elastic alloy frame is hinged with a plurality of supporting cantilevers for expanding and trauma for the cardiac wound of the patient through the torsional spring type connecting pins; the suspension type mitral valve imbedding mechanism comprises a universal hinge connecting piece which is connected with the outer wall of the annular elastic alloy frame, the annular elastic alloy frame is hinged with a bearing type rod body fixing seat for supporting through a universal hinged connecting piece, one end of the supporting rod body fixing seat far away from the universal hinged connecting piece is connected with a hydraulic telescopic rod, the number of the hydraulic telescopic rods is multiple, mitral valve positioning rings are arranged among the hydraulic telescopic rods, one end of the hydraulic telescopic rod is provided with a spherical strong magnetic positioning block, the outer wall of the mitral valve positioning ring is provided with a plurality of concave strong magnetic positioning seats in an annular equidistance manner, the spherical strong magnetic positioning block is clamped in the inner cavity of the concave strong magnetic positioning seat through magnetism, and the middle part of the mitral valve positioning ring is clamped with an artificial mechanical valve ring and an artificial mechanical valve.
According to the scheme, the supporting cantilever for expanding the wound is placed at the wound of a patient, the supporting cantilever for expanding the wound is driven by the torsional spring type connecting pin to deflect in angle, so that the effect of expanding the wound is formed, the holding mechanism is used for carrying out holding type opening and closing adjustment on the whole supporting cantilever for expanding the wound while expanding the wound, the crossed type balance elastic band and the horizontal type balance elastic band form a state of balancing the supporting cantilever for expanding the wound, finally, the spherical strong magnetic positioning blocks are positioned in the concave type strong magnetic positioning seats at different positions to form different deflection angles of the mitral valve positioning ring, and the artificial mechanical valve ring and the artificial mechanical valve are placed in a pushing mode.
The torsional spring type connecting pin is formed by connecting pins with torsional spring pieces inside, the deflection angle range of the torsional spring type connecting pin is only in one plane, and the universal hinged connecting piece is formed by a universal connecting piece of a spherical shaft; when the spherical strong magnetic positioning block is clamped in the inner cavity of the concave strong magnetic positioning seat, the hydraulic telescopic rod and the concave strong magnetic positioning seat are kept in a hinged state.
In a preferred embodiment, the annular elastic alloy frame is in an elliptical plane structure, the support cantilever for wound dilation is in a double-arc S-shaped structure, and the actual deflection angle of the annular elastic alloy frame hinged by the torsion spring type connecting pin is forty-five degrees.
In a preferred embodiment, the bottom of the support cantilever for expanding wound is provided with an elastic collagen rope section supported at the wound of the patient; the supporting cantilevers for wound dilation are arranged in a plurality of groups, the supporting cantilevers for wound dilation are distributed on two sides of the annular elastic alloy frame in two groups at equal intervals, a crossed balance elastic band and a horizontal balance elastic band are installed between each group of supporting cantilevers for wound dilation, the horizontal balance elastic band and the annular elastic alloy frame are arranged in parallel, and the projection shape of the horizontal balance elastic band is in an X-shaped arrangement; the bottom end of the support cantilever for expanding the wound is integrally connected with a smooth support spherical block.
In a preferred embodiment, an elastic limiting upward-turning ring and an elastic limiting downward-turning ring are respectively mounted on the inner wall of the mitral valve positioning ring, the elastic limiting upward-turning ring and the elastic limiting downward-turning ring are arranged in mirror symmetry with respect to the horizontal center line of the mitral valve positioning ring, the elastic limiting upward-turning ring and the elastic limiting downward-turning ring keep a mutually attached state under the condition of being not limited by external force, and the artificial mechanical valve ring and the artificial mechanical valve are clamped between the elastic limiting upward-turning ring and the elastic limiting downward-turning ring.
In a preferred embodiment, the holding mechanism includes a holding rubber ring, the cross section of the holding rubber ring is disposed in an elliptical shape, and the cross section of the holding rubber ring is disposed in equal proportion to the cross section of the annular elastic alloy frame, wherein the annular elastic alloy frame is not deformable, and the holding rubber ring is deformable after being stressed.
In a preferred embodiment, the inner wall of the holding rubber ring is provided with corresponding limiting clamping grooves corresponding to the support cantilevers for expanding wound one by one, and the support cantilevers for expanding wound are clamped in the inner cavities of the corresponding limiting clamping grooves; and/or one side of the holding type rubber ring, which is far away from the corresponding type limiting clamping groove, is provided with two groups of fingertip limiting grooves, the number of the fingertip limiting grooves is five, and the fingertip limiting grooves are used for placing finger fingertips of medical staff.
In a preferred embodiment, one end of the holding type rubber ring is provided with a subsection opening, two ends of the subsection opening of the holding type rubber ring are both provided with strong magnetic connecting blocks, and the subsection openings of the holding type rubber ring are connected with each other in a magnetic attraction mode through the strong magnetic connecting blocks.
In a preferred embodiment, a plurality of wound suturing-free mechanisms are clamped on the outer wall of the support cantilever for expanding wounds, and the wound suturing-free mechanisms are used for performing suturing-free positioning treatment on wounds of a patient; the wound suturing-free mechanism comprises a first wound positioning disc and a second wound positioning disc, wherein the first wound positioning disc and the second wound positioning disc are set to be a group, a first wound limiting rope belt and a second wound limiting rope belt are installed on the two sides of the first wound positioning disc respectively, one end of the first wound limiting rope belt is connected with a sliding rope belt, one end of the second wound limiting rope belt is connected with a hollowed-out rope belt, and the sliding rope belt and the hollowed-out rope belt are in crossed arrangement.
In a preferred embodiment, two sections of limiting fixture blocks with the same semicircular track are arranged on the outer wall of the second wound positioning disc, the two sections of limiting fixture blocks are arranged in mirror symmetry with respect to the vertical central line of the second wound positioning disc, fixture blocks corresponding to the limiting fixture blocks are arranged on the surfaces of the sliding rope belt and the hollowed rope belt, and the fixture blocks and the limiting fixture blocks keep a one-way motion state, when the sliding rope belt and the hollowed rope belt slide towards the limiting fixture blocks simultaneously, an advancing state is kept, and when the sliding rope belt and the hollowed rope belt slide towards a direction away from the limiting fixture blocks, a mutually clamped anti-reverse state is kept, wherein sliding sleeves for limiting are arranged on two sides of the second wound positioning disc, and the sliding rope belt and the hollowed rope belt are both inserted into the sliding sleeves.
In a preferred embodiment, a plurality of supporting type positioning clamping seats are mounted on the surfaces of the second wound positioning disk and the first wound positioning disk, and the first wound positioning disk and the second wound positioning disk are clamped on the support cantilever for expanding wound through the supporting type positioning clamping seats.
In a preferred embodiment, the surfaces of the first and second wound positioning discs are provided with adhesive inner concave disc shaped patches for wound skin positioning treatment, and the surfaces of the adhesive inner concave disc shaped patches are provided with disposable covering films.
In a preferred embodiment, an annular air pressure chamber and a first gas storage chamber are arranged inside each of the first wound positioning disc and the second wound positioning disc, the first wound positioning disc and the second wound positioning disc are made of rubber, the annular air pressure chamber is communicated with the first gas storage chamber, a second gas storage chamber is communicated with one side, away from the adhesive concave disc-shaped patch, of the first gas storage chamber, a gas one-way valve is arranged on one side, close to the second gas storage chamber, of the first wound positioning disc and the second wound positioning disc, the gas one-way valve is sealed at a gas outlet of the second gas storage chamber, a gas inlet is formed in the surface of the adhesive concave disc-shaped patch, and the gas inlet is communicated with the first gas storage chamber.
In a preferred embodiment, the first wound positioning disc and the second wound positioning disc are both centrally-recessed disc-shaped positioning structures, and the plurality of air inlets are arranged in sequence in an annular shape at equal intervals.
The invention has the technical effects and advantages that:
the invention utilizes the mutual coordination control of the wound expanding mechanism and the suspended mitral valve implanting mechanism to realize a more convenient operation mode for the wound expanding of the patient, and simultaneously utilizes a plurality of different matching modes to ensure that the implantation angle and the implantation mode of the artificial mechanical valve ring and the artificial mechanical valve are more convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic bottom structure of the present invention.
Fig. 3 is a partial structural sectional view of the present invention.
FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention.
Fig. 5 is a schematic structural diagram of the wound suturing-free mechanism of the invention.
Fig. 6 is a back structure diagram of the wound suturing-free mechanism of the invention.
FIG. 7 is an enlarged view of the portion B of FIG. 6 according to the present invention.
Fig. 8 is a partial structural cross-sectional view of the wound suturing-free mechanism of the present invention.
FIG. 9 is an enlarged view of the structure of the portion C of FIG. 8 according to the present invention.
The reference signs are: 1 wound expanding mechanism, 101 annular elastic alloy frame, 102 torsional spring type connecting pin, 103 supporting cantilever for expanding wound, 104 elastic collagen rope section, 105 crossed type balance elastic band, 106 horizontal type balance elastic band, 107 smooth type supporting spherical block, 2 holding mechanism, 21 holding type rubber ring, 22 corresponding type limiting clamping groove, 23 fingertip limiting groove, 24 strong magnetic connecting block, 3 suspension type mitral valve embedding mechanism, 31 universal hinged connecting piece, 32 supporting type rod fixing seat, 33 hydraulic telescopic rod, 34 mitral valve positioning ring, 35 spherical strong magnetic positioning block, 36 concave type strong magnetic positioning seat, 37 elastic limiting upturning ring, 38 elastic limiting downturning ring, 39 artificial mechanical valve ring, 310 artificial mechanical valve, 4 wound suture-free mechanism, 41 first wound positioning disk, 42 second wound positioning disk, 43 first wound limiting rope belt, 44 second wound limiting rope belt, 45 sliding rope belt, 43 first wound limiting rope belt, 44 second wound limiting rope belt, and the like, 46 hollow rope belts, 47 limit fixture blocks, 48 support type positioning fixture blocks, 49 adhesive type concave disc-shaped patches, 410 annular air pressure cavities, 411 first air storage cavities, 412 second air storage cavities, 413 air one-way valves and 414 air inlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first embodiment of the invention, referring to the attached drawings 1-4 of the specification, a suturing-free automatic implantation device for a mitral valve prosthesis comprises an expanding mechanism 1 for supporting and opening a cardiac wound of a patient, a holding mechanism 2 for holding the mitral valve prosthesis by medical staff is installed outside the expanding mechanism 1, a suspended mitral valve insertion mechanism 3 is installed on the top of the expanding mechanism 1, wherein the expanding mechanism 1 comprises an annular elastic alloy frame 101, a plurality of torsion spring type connecting pins 102 are connected to the outer wall of the annular elastic alloy frame 101, and a plurality of expanding supporting cantilevers 103 for expanding the cardiac wound of the patient are hinged to the annular elastic alloy frame 101 through the torsion spring type connecting pins 102; in addition, hang type mitral valve and put into mechanism 3 and include universal articulated connecting piece 31, universal articulated connecting piece 31 is connected at the outer wall of annular elastic alloy frame 101, annular elastic alloy frame 101 has the bearing type body of rod fixing base 32 that is used for supporting through universal articulated connecting piece 31 is articulated, the one end that universal articulated connecting piece 31 was kept away from to bearing type body of rod fixing base 32 is connected with hydraulic telescoping rod 33, the quantity of hydraulic telescoping rod 33 sets up to a plurality ofly, all install mitral valve holding ring 34 between a plurality of hydraulic telescoping rod 33, spherical strong magnetic positioning piece 35 is installed to hydraulic telescoping rod 33's one end, a plurality of interior concave type strong magnetic positioning seats 36 are installed to mitral valve holding ring 34's outer wall for the annular equidistance, spherical strong magnetic positioning piece 35 is through the inner chamber of magnetic clamping at interior concave type strong magnetic positioning seat 36, mitral valve holding ring 34's middle part joint has artifical mechanical valve ring 39 and artifical mechanical valve 310.
In addition, it should be further explained in the above solution that the torsion spring type connecting pin 102 is a connecting pin containing a torsion spring member therein, and the deflection angle range of the torsion spring type connecting pin 102 is only in one plane, and the universal hinge connection member 31 is a universal connection member of a spherical shaft; when the spherical strong magnetic positioning block 35 is clamped in the inner cavity of the concave strong magnetic positioning seat 36, the hydraulic telescopic rod 33 and the concave strong magnetic positioning seat 36 are kept in a hinged state.
In the above scheme, it needs to be further explained that the support cantilever 103 for dilating the wound is placed at the wound of the patient, the torsion spring type connecting pin 102 is used to drive the support cantilever 103 for dilating the wound to deflect angularly, so as to form the effect of dilating the wound, the holding mechanism 2 is used to perform holding type opening and closing adjustment on the whole support cantilever 103 for dilating the wound while dilating the wound, the crossed balance elastic band 105 and the horizontal balance elastic band 106 form the state of the support cantilever 103 for dilating the wound, finally the spherical strong magnetic positioning block 35 is used to position the support cantilever 103 for dilating the wound in the concave strong magnetic positioning seats 36 at different positions to form different deflection angles of the mitral valve positioning ring 34, and the artificial mechanical valve 39 and the artificial mechanical valve 310 are pushed and placed;
in addition, the hydraulic telescopic rod 33 and the universal hinged connecting piece 31 are used for balancing the buffer gap of the expansion and contraction deflection of the artificial mechanical valve 310 when the artificial mechanical valve 310 moves up and down, and different implantation effects of the artificial mechanical valve ring 39 can be achieved when the spherical strong-magnetic positioning block 35 and the concave strong-magnetic positioning block 36 are positioned at different positions;
the first matching mode is as follows: four concave strong magnetic positioning seats 36 of the mitral valve positioning ring 34 are positioned on average four points by using spherical strong magnetic positioning blocks 35 of four hydraulic telescopic rods 33, so that an artificial mechanical valve ring 39 approaches to a state parallel to a horizontal plane, the hydraulic telescopic rods 33 are stretched by pressing the mitral valve positioning ring 34 up and down, and two ends of the hydraulic telescopic rods 33 are kept in a hinged state;
the second matching mode: the number of the hydraulic telescopic rods 33 is kept at three, two supporting points are positioned, and the other supporting point is used for moving up and down, so that the effect of fixed-point unidirectional deflection is achieved;
in a third matching mode, the positioning mode of the two-point hydraulic telescopic rod 33 is utilized to adjust the implantation angle between the artificial mechanical valve ring 39 and the artificial mechanical valve 310, wherein the two points can adopt two opposite points on a straight line to keep the mitral valve positioning ring 34, the straight line is the deflection of a central axis, and after the angle adjustment is finished, the mitral valve positioning ring 34 is pushed downwards to finish the placing process of the artificial mechanical valve ring 39 and the artificial mechanical valve 310;
the matching mode is four: utilize mitral valve holding ring 34's monolithic location, the quantity of specific setpoint can be considered according to actual conditions, and the effect of unilateral location in addition can form the effect that the finger snatched to artifical mechanical valve ring 39, can overturn from top to bottom simultaneously, utilizes magnetism, fixes a position the angle after the upset, and the propelling movement is downwards planted at last.
Based on the scheme in embodiment 1, the difference of this embodiment 2 is that the annular elastic alloy frame 101 is in an elliptical planar structure, the support cantilever 103 for wound dilation is in a double-arc S-shaped structure, and the actual deflection angle of the annular elastic alloy frame 101 hinged by the torsion spring type connecting pin 102 is forty-five degrees;
also in fig. 2-4, the bottom of the support cantilever 103 for expanding wound is equipped with an elastic collagen rope segment 104 supported at the wound of the patient; the number of the support cantilevers 103 for wound dilation is multiple, the support cantilevers 103 for wound dilation are distributed on two sides of the annular elastic alloy frame 101 in two groups at equal intervals, a crossed balance elastic band 105 and a horizontal balance elastic band 106 are arranged between each group of the support cantilevers 103 for wound dilation, the horizontal balance elastic band 106 and the annular elastic alloy frame 101 are in parallel arrangement, and the projection shape of the horizontal balance elastic band 106 is in X-shaped arrangement; the bottom end of the support cantilever 103 for expanding wound is integrally connected with a smooth support spherical block 107.
It should be further explained that, the holding mechanism 2 is used to form a grasping state for the wound dilating mechanism 1, so that the long axis of the elliptical wound dilating mechanism 1 is in an extended state, the holding rubber rings 21 at different positions are pressed to control the wound dilating support cantilevers 103 in different areas, and the wound dilating support cantilevers 103 are deflected.
Referring to the attached drawings 4 in the specification, this embodiment 3 is directed to a further improvement of embodiment 1, in which an elastic limit upturning ring 37 and an elastic limit downturning ring 38 are respectively installed on an inner wall of the mitral valve positioning ring 34, the elastic limit upturning ring 37 and the elastic limit downturning ring 38 are arranged in mirror symmetry with respect to a horizontal center line of the mitral valve positioning ring 34, the elastic limit upturning ring 37 and the elastic limit downturning ring 38 maintain a mutually attached state without being limited by an external force, and the artificial mechanical valve ring 39 and the artificial mechanical valve 310 are clamped between the elastic limit upturning ring 37 and the elastic limit downturning ring 38.
It should be further explained that, in the process of adjusting and positioning the spherical strong magnetic positioning block 35 and the concave strong magnetic positioning seat 36 by the hydraulic telescopic rod 33, the attachment state of the elastic limit upturning ring 37 allows the mechanical prosthetic valve ring 39 and the mechanical prosthetic valve 310 to approach the central position of the mitral valve positioning ring 34 in any angle state, and meanwhile, when the mechanical prosthetic valve ring 39 is pushed to the elastic limit upturning ring 37, the elastic limit downturning ring 38 applies a corresponding deflection pushing force, otherwise, the elastic limit upturning ring 37 also applies a corresponding deflection pushing force.
In embodiment 4, referring to fig. 1-2 of the specification, the holding mechanism 2 includes a holding rubber ring 21, the cross section of the holding rubber ring 21 is disposed in an elliptical shape, and the cross sections of the holding rubber ring 21 and the annular elastic alloy frame 101 are disposed in equal proportion, wherein the annular elastic alloy frame 101 is not deformable, and the holding rubber ring 21 is deformable after being stressed;
in addition, the inner wall of the holding rubber ring 21 is provided with corresponding limiting clamping grooves 22 which correspond to the support cantilevers 103 for wound dilation one by one, and the support cantilevers 103 for wound dilation are clamped in inner cavities of the corresponding limiting clamping grooves 22; and/or one side of the holding type rubber ring 21 far away from the corresponding type limiting clamping groove 22 is provided with two groups of fingertip limiting grooves 23, the number of each group of fingertip limiting grooves 23 is five, and the fingertip limiting grooves 23 are used for placing finger fingertips of medical staff; the one end of the type rubber ring 21 that grips is equipped with the segmentation mouth, and strong magnetism connecting block 24 is all installed at the segmentation mouth both ends of the type rubber ring 21 that grip, and the segmentation mouth of the type rubber ring 21 that grips is connected through the mutual magnetism of strong magnetism connecting block 24.
It further explains to need, at the in-process of controlling expanding creating mechanism 1, utilize strong magnetism connecting block 24 to separate type rubber ring 21 of gripping, make type rubber ring 21 of gripping wrap up in the outside of expanding creating mechanism 1, let simultaneously expand creating mechanism 1 expand the inner chamber of creating with supporting cantilever 103 joint at corresponding type spacing draw-in groove 22, medical personnel's fingertip embedding is at the inner chamber of fingertip spacing groove 23, utilize the pressing to type rubber ring 21 of gripping, make and expand creating mechanism 1 and produce deformation, utilize the control mode of five fingers, the convenience of expanding the wound to different positions wound has been promoted.
In the embodiment 5, referring to the attached drawings 1 to 9 in the specification, a plurality of wound suturing-free mechanisms 4 are clamped on the outer wall of the support cantilever 103 for expanding wounds, and the wound suturing-free mechanisms 4 are used for performing suturing-free positioning treatment on wounds of patients; the wound suturing-free mechanism 4 comprises a first wound positioning disc 41 and a second wound positioning disc 42, every two first wound positioning discs 41 and every two second wound positioning discs 42 are arranged into a group, a first wound limiting rope belt 43 and a second wound limiting rope belt 44 are respectively arranged on two sides of each first wound positioning disc 41, one end of each first wound limiting rope belt 43 is connected with a sliding rope belt 45, one end of each second wound limiting rope belt 44 is connected with a hollow rope belt 46, and the sliding rope belts 45 and the hollow rope belts 46 are arranged in an intersecting manner;
meanwhile, two sections of limiting fixture blocks 47 with the same semicircular track are arranged on the outer wall of the second wound positioning disc 42, the two sections of limiting fixture blocks 47 are arranged in mirror symmetry with respect to the vertical center line of the second wound positioning disc 42, fixture blocks corresponding to the limiting fixture blocks 47 are arranged on the surfaces of the sliding rope belt 45 and the hollowed-out rope belt 46, the fixture blocks and the limiting fixture blocks 47 keep a one-way movement state, when the sliding rope belt 45 and the hollowed-out rope belt 46 slide to the limiting fixture blocks 47 at the same time, an advancing state is kept, when the sliding rope belt 45 and the hollowed-out rope belt 46 slide to the direction far away from the limiting fixture blocks 47, a mutually clamped anti-reverse state is kept, wherein sliding sleeves for limiting are arranged on two sides of the second wound positioning disc 42, and the sliding rope belt 45 and the hollowed-out rope belt 46 are inserted in the sliding sleeves;
a plurality of supporting type positioning clamping seats 48 are arranged on the surfaces of the second wound positioning disc 42 and the first wound positioning disc 41, and the first wound positioning disc 41 and the second wound positioning disc 42 are clamped on the support cantilever 103 for wound dilation through the supporting type positioning clamping seats 48; the surfaces of the first wound positioning disc 41 and the second wound positioning disc 42 are provided with adhesive concave disc-shaped patches 49 for positioning treatment of wound skin, and the surfaces of the adhesive concave disc-shaped patches 49 are provided with disposable covering films.
As for embodiment 5, it should be further explained that the adhesive concave-disc-shaped patches 49 of the first wound positioning disk 41 and the second wound positioning disk 42 are adhered to two sides of the wound, and then the sliding rope belt 45 and the hollow-out rope belt 46 are pulled to achieve the effect of shrinking the distance between the first wound positioning disk 41 and the second wound positioning disk 42, the movement characteristics of the patch are consistent with the usage principle of the binding belt, the difference of the present scheme is that the sliding rope belt 45 and the hollow-out rope belt 46 are kept in a crossed state, and the first wound positioning disk 41 and the second wound positioning disk 42 are fixed on the outer wall of the support cantilever 103 for expanding and creating through the support-type positioning clamping seat 48 under the normal state.
Example 6, this embodiment is based on the lifting scheme of example 5, wherein as shown in fig. 8 to 9, an annular air pressure chamber 410 and a first gas storage chamber 411 are respectively disposed inside the first wound positioning disk 41 and the second wound positioning disk 42, the first wound positioning disk 41 and the second wound positioning disk 42 are made of rubber, the annular air pressure chamber 410 is communicated with the first gas storage chamber 411, a second gas storage chamber 412 is communicated with one side of the first gas storage chamber 411 away from the adhesive concave disk patch 49, a gas one-way valve 413 is disposed on one side of the first wound positioning disk 41 and the second wound positioning disk 42 close to the second gas storage chamber 412, the gas one-way valve 413 is sealed at the outlet of the second gas storage chamber 412, a gas inlet 414 is disposed on the surface of the adhesive concave disk patch 49, and the gas inlet 414 is communicated with the first gas storage chamber 411;
the first wound positioning plate 41 and the second wound positioning plate 42 are both disc-shaped positioning structures with central depressions, and the plurality of air inlets 414 are all arranged in sequence in an annular and equidistant manner.
It should be further described that, in this embodiment, the inner concave surface of the adhesive concave patch 49 is used for being attached, and the first wound positioning disc 41 and the second wound positioning disc 42 are simultaneously squeezed, so that the annular air pressure chamber 410 is kept in a negative pressure state, and the gas check valve 413 is used for preventing gas from entering the inner cavity of the annular air pressure chamber 410, so that the gas inlet 414 can achieve an adsorption effect on skin, thereby improving the stability of fixation, and after the use is completed, only the annular air pressure chamber 410 needs to be punctured.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be interpreted broadly, and may be mechanical or electrical, or communication between two elements, and may be directly connected, where "up," "down," "left," "right," and the like are merely used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may change;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a artifical mitral valve exempts from automatic implantation device of sewing, includes the mechanism of creating (1) that expands that is used for supporting open patient's heart wound, the externally mounted of the mechanism of creating (1) that expands is used for medical personnel to hold the mechanism of holding (2) of artificial mitral valve, the top of the mechanism of creating (1) that expands is installed and is hung type mitral valve and put into mechanism (3), its characterized in that, it includes annular elastic alloy frame (101) to expand mechanism of creating (1), the outer wall of annular elastic alloy frame (101) is connected with a plurality of torsional spring type connecting pins (102), annular elastic alloy frame (101) articulate through torsional spring type connecting pin (102) has a plurality of support cantilever (103) for creating of expanding that are used for expanding the patient's heart wound.
2. The suture-free automatic implantation device for a prosthetic mitral valve according to claim 1, wherein: the suspension type mitral valve imbedding mechanism (3) comprises universal hinged connectors (31), the outer wall of an annular elastic alloy frame (101) is connected with the universal hinged connectors (31), the annular elastic alloy frame (101) is hinged with a bearing type rod body fixing seat (32) for supporting through the universal hinged connectors (31), one end of the bearing type rod body fixing seat (32) far away from the universal hinged connectors (31) is connected with a hydraulic telescopic rod (33), the number of the hydraulic telescopic rods (33) is set to be multiple, a plurality of mitral valve positioning rings (34) are installed between the hydraulic telescopic rods (33), one end of each hydraulic telescopic rod (33) is provided with a spherical strong magnetic positioning block (35), the outer wall of each mitral valve positioning ring (34) is provided with a plurality of concave strong magnetic positioning seats (36) in an annular equal distance, the spherical strong magnetic positioning blocks (35) are connected with the inner cavities of the concave strong magnetic positioning seats (36) through magnetic joints, the middle part of the mitral valve positioning ring (34) is clamped with an artificial mechanical valve ring (39) and an artificial mechanical valve (310);
the torsion spring type connecting pin (102) is formed by connecting pins containing torsion spring pieces inside, the deflection angle range of the torsion spring type connecting pin (102) is only in one plane, and the universal hinge connecting piece (31) is formed by a universal connecting piece of a spherical shaft; when the spherical strong magnetic positioning block (35) is clamped in the inner cavity of the concave strong magnetic positioning seat (36), the hydraulic telescopic rod (33) and the concave strong magnetic positioning seat (36) are kept in a hinged state; the annular elastic alloy frame (101) is in an oval plane structure, the support cantilever (103) for expanding wound is in a double-arc S-shaped structure, and the actual deflection angle of the annular elastic alloy frame (101) hinged to the torsion spring type connecting pin (102) is forty-five degrees.
3. The suture-free automatic implantation device for a prosthetic mitral valve according to claim 2, wherein: the bottom of the support cantilever (103) for expanding wound is provided with an elastic collagen rope section (104) supported at the wound of the patient;
the number of the support cantilevers (103) for expanding wound is multiple, the support cantilevers (103) for expanding wound are distributed on two sides of the annular elastic alloy frame (101) in two groups at equal intervals, a crossed balance elastic band (105) and a horizontal balance elastic band (106) are mounted between each group of the support cantilevers (103) for expanding wound, the horizontal balance elastic band (106) and the annular elastic alloy frame (101) are arranged in parallel, and the projection shape of the horizontal balance elastic band (106) is arranged in an X shape; the bottom end of the support cantilever (103) for expanding wound is integrally connected with a smooth support spherical block (107).
4. The suture-free automatic implantation device for a prosthetic mitral valve according to claim 3, wherein: the inner wall of mitral valve holding ring (34) is installed elasticity spacing upward and is turned over ring (37) and elasticity spacing downward and turn over ring (38) respectively, elasticity spacing upward turn over ring (37) and elasticity spacing downward turn over ring (38) and be mirror symmetry setting about mitral valve holding ring (34) level to the central line, elasticity spacing upward turn over ring (37) and elasticity spacing downward turn over ring (38) under the condition that does not receive external force restriction, keep the state of laminating each other, artifical mechanical valve ring (39) and artifical mechanical valve (310) joint are between elasticity spacing upward turn over ring (37) and elasticity spacing downward turn over ring (38).
5. The suture-free automatic implantation device for the artificial mitral valve according to claim 4, wherein: the holding mechanism (2) comprises a holding type rubber ring (21), the cross section of the holding type rubber ring (21) is in an oval shape, and the holding type rubber ring (21) and the cross section of the annular elastic alloy frame (101) are arranged in equal proportion;
the inner wall of the holding type rubber ring (21) is provided with corresponding limiting clamping grooves (22) which correspond to the support cantilevers (103) for wound dilation one by one, and the support cantilevers (103) for wound dilation are clamped in inner cavities of the corresponding limiting clamping grooves (22); and/or one side of the holding type rubber ring (21) far away from the corresponding type limiting clamping groove (22) is provided with two groups of fingertip limiting grooves (23), the number of the fingertip limiting grooves (23) in each group is five, and the fingertip limiting grooves (23) are used for placing fingertips of medical staff;
the one end of gripping type rubber ring (21) is equipped with the segmentation mouth, strong magnetism connecting block (24) are all installed at the segmentation mouth both ends of gripping type rubber ring (21), the segmentation mouth of gripping type rubber ring (21) is inhaled through the mutual magnetism of strong magnetism connecting block (24) and is connected.
6. The suture-free automatic implantation device for the artificial mitral valve according to claim 5, wherein: the outer wall of the supporting cantilever (103) for the wound dilation is clamped with a plurality of wound suturing-free mechanisms (4), and the wound suturing-free mechanisms (4) are used for performing suturing-free positioning treatment on the wound of a patient; the wound suture-free mechanism (4) comprises a first wound positioning disc (41) and a second wound positioning disc (42), every two first wound positioning discs (41) and every two second wound positioning discs (42) are arranged into a group, a first wound limiting rope belt (43) and a second wound limiting rope belt (44) are respectively installed on two sides of each first wound positioning disc (41), one end of each first wound limiting rope belt (43) is connected with a sliding rope belt (45), one end of each second wound limiting rope belt (44) is connected with a hollowed-out rope belt (46), and the sliding rope belts (45) and the hollowed-out rope belts (46) are arranged in a cross manner;
the outer wall of the second wound positioning disc (42) is provided with two sections of limiting fixture blocks (47) with the same semicircular track, the two sections of limiting fixture blocks (47) are arranged in mirror symmetry relative to the vertical center line of the second wound positioning disc (42), fixture blocks corresponding to the limiting fixture blocks (47) are arranged on the surfaces of the sliding rope belt (45) and the hollowed-out rope belt (46), sliding sleeves used for limiting are arranged on two sides of the second wound positioning disc (42), and the sliding rope belt (45) and the hollowed-out rope belt (46) are both inserted into the sliding sleeves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252887.XA CN113967043B (en) | 2021-10-27 | 2021-10-27 | Suture-free auxiliary implantation device for artificial mitral valve |
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| CN202111252887.XA CN113967043B (en) | 2021-10-27 | 2021-10-27 | Suture-free auxiliary implantation device for artificial mitral valve |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010531A (en) * | 1993-02-22 | 2000-01-04 | Heartport, Inc. | Less-invasive devices and methods for cardiac valve surgery |
| US20150018625A1 (en) * | 2013-07-09 | 2015-01-15 | Edwards Lifesciences Corporation | Tissue retractor |
| CN108451670A (en) * | 2018-03-13 | 2018-08-28 | 唐杨烽 | A kind of mitral valve replaces mechanical prosthetic valve on manually ring |
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2021
- 2021-10-27 CN CN202111252887.XA patent/CN113967043B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010531A (en) * | 1993-02-22 | 2000-01-04 | Heartport, Inc. | Less-invasive devices and methods for cardiac valve surgery |
| US20150018625A1 (en) * | 2013-07-09 | 2015-01-15 | Edwards Lifesciences Corporation | Tissue retractor |
| CN108451670A (en) * | 2018-03-13 | 2018-08-28 | 唐杨烽 | A kind of mitral valve replaces mechanical prosthetic valve on manually ring |
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| CN113967043B (en) | 2024-01-12 |
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