CN103767742A - Heart ventricle connection assembly - Google Patents
Heart ventricle connection assembly Download PDFInfo
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- CN103767742A CN103767742A CN201410031534.0A CN201410031534A CN103767742A CN 103767742 A CN103767742 A CN 103767742A CN 201410031534 A CN201410031534 A CN 201410031534A CN 103767742 A CN103767742 A CN 103767742A
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- Prior art keywords
- ring seat
- blood pump
- connection
- coupling assembling
- bearing pin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
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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
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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
- A61B2017/00477—Coupling
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
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- Animal Behavior & Ethology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
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- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- External Artificial Organs (AREA)
- Prostheses (AREA)
Abstract
The invention provides a heart ventricle connection assembly which comprises a suture ring assembly and a blood pump connection assembly. The suture ring assembly not only comprises a suture ring and a suture ring seat, but also comprises a connection hinge pin; the connection hinge pin passes through a through hole formed in the suture ring seat and is locked with a screw thread head at one end of the connection hinge pin by a nut to be arranged on the suture ring seat, so that the connection hinge pin freely rotates in the through hole; the blood pump connection assembly comprises an inlet sintering pipe sleeved on an inner pipe of an inlet of a blood pump; the periphery of the inlet sintering pipe is provided with a connecting groove; and by rotating the connection hinge pin, a cylindrical surface on a circular arc tangent plane, which is arranged on the connection hinge pin, falls into the connecting groove and the suture ring seat is clamped and fixed on the inlet sintering pipe. The heart ventricle connection assembly has a simple structure, has a small axial size after connection and is beneficial for being implanted into a human body to stably play functions; and by the device designed by the invention, rapid connection of a heart ventricle auxiliary device and the heart can be implemented and not only is time of the whole operation process shortened, but also operation risk is reduced.
Description
Technical field
The present invention relates to making assisted circulation of ventriculus cordis technical field, more particularly, relate to a kind of ventricle coupling assembling.
Background technology
Blood pump or title ventricular assist device are the speed change for replacing heart working completely, the pony pump of varying capacity.Ventricular assist device contains an entrance and an outlet, in the time implanting heart, its outlet is connected with aorta by artificial blood vessel, and its entrance is communicated to ventricle by apex of the heart perforate, in the middle of entrance and exit, by ventricle syndeton, ventricular assist device and heart is linked together.Due to ventricular assist device for implanting in the thoracic cavity of organ complex distributions, heart is around in body, size is the important indicator that realizes its function in its use procedure, therefore require ventricle syndeton in the time of design, try one's best and not increase ventricular assist device size.In the time that ventricular assist device is connected with natural heart, easy to operate in addition, the connection procedure time is as far as possible short, can shorten like this operating time, reduces the risk of operation.
But, existing for connect ventricular assist device ventricle connecting device structure still more complicated, axial dimension is bigger than normal, the operation after it is implanted has certain influence.And some ventricle connecting devices are used other aid or will increase unnecessary action at the process need connecting, extend operating time in the middle of invisible, reduced the efficiency connecting when it implants heart.Therefore a kind ofly simplify the structure, the ventricle connecting device of size microminiaturization is one of this area research direction.
Summary of the invention
The object of the invention is in order to solve the problems of the technologies described above, a kind of ventricle coupling assembling providing, is convenient to reduce the operating difficulty in blood pump implantation process, improves operation efficiency.In order to achieve the above object, the invention provides following technical scheme:
A kind of ventricle coupling assembling, comprise the suture ring assembly being connected with the heart apex of the heart and the blood pump coupling assembling being connected with blood pump, described suture ring assembly comprises the suture ring being connected with the heart apex of the heart and is set in the stitching ring seat of described blood pump connection group, described suture ring assembly also comprises a connection bearing pin, described connection bearing pin is through sewing up the through hole of offering in ring seat, be installed in and sew up in ring seat with the thread head locking that is connected bearing pin one end by nut, wherein, described connection bearing pin freely rotates in through hole.Described blood pump coupling assembling comprises the entrance sintered pipes being sleeved in blood pump entrance inner tube, described entrance sintered pipes periphery offers link slot, by being rotationally connected bearing pin, the face of cylinder that makes to connect the circular arc tangent plane place arranging on bearing pin falls in described link slot, makes to sew up ring seat and fixes on entrance sintered pipes.
Further, the body diameter at described circular arc tangent plane place is identical with through hole internal diameter in the present invention, and its cambered surface diameter is identical with the diameter of bore of sewing up ring seat.
The present invention further, described suture ring is connector prepared by woven dacron material, described stitching ring seat is Connection Block prepared by titanium alloy material, between described suture ring and described stitching ring seat, be provided with the surgical thread of the two being made to connection, the outer wall pressed on ring of described stitching ring seat gets around and is provided with multiple stitching pin holes that connect described surgical thread.
Further, the axis of described through hole is parallel with stitching ring seat bottom surface in the present invention, and through hole is following three's sum with the axial line distance of sewing up ring seat endoporus: the radial depth of through hole radius and link slot in stitching ring seat endoporus radius, stitching ring seat.
The present invention further, the setting corresponding with the axial location of link slot of the axial location of described through hole.
Further, described connection bearing pin is provided with stirs the handle of dialing that connects bearing pin rotation, for connecting or unclamping and sew up the fixing of ring seat and entrance sintered pipes in the present invention.
Further, described entrance sintered pipes is sleeved on the entrance inner tube outside of described blood pump, is connected with described blood pump by welding in the present invention.
Beneficial effect of the present invention is mainly reflected in: because ventricular assist device is in implant into body thoracic cavity, its size is to realize a very important index of its function, because the present invention is simple in structure, after connecting, axial dimension is little, substantially do not increase the size of ventricular assist device body, be conducive to stable its function of performance in implant into body; And, the ventricular assist device implantation process time is shorter, its success rate of operation is higher, structural design of the present invention has solved above-mentioned technical problem, can realize ventricular assist device is connected with the quick of heart, greatly shorten the time that ventricular assist device is connected with heart, shortened the time of whole operation process, reduced the risk of operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the syndeton schematic diagram after the Operation of a kind of ventricle coupling assembling of the present invention;
Fig. 2 is the explosive view of a kind of ventricle coupling assembling of the present invention syndeton;
Fig. 3 is the suture ring assembly explosive view in Fig. 2;
Fig. 4 is the blood pump coupling assembling schematic diagram in Fig. 2;
Fig. 5 is the syndeton cutaway view of ventricle coupling assembling provided by the invention;
Fig. 6 is that in Fig. 5, suture ring assembly is connected front C place partial view with blood pump coupling assembling;
Fig. 7 is that in Fig. 5, suture ring assembly is connected rear another state C place partial view with blood pump coupling assembling.
The specific embodiment
The invention discloses a kind of ventricle coupling assembling, reduced the operating difficulty in blood pump implantation process, improve operation efficiency.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out to clear, complete description, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1～Fig. 7, Fig. 1 is the syndeton schematic diagram after the Operation of ventricle coupling assembling provided by the invention; Fig. 2 is the explosive view of ventricle coupling assembling syndeton provided by the invention; Fig. 3 is the suture ring assembly explosive view in Fig. 2; Fig. 4 is the blood pump coupling assembling schematic diagram in Fig. 2; Fig. 5 is the syndeton cutaway view of ventricle coupling assembling provided by the invention; Fig. 6 is that in Fig. 5, suture ring assembly is connected front C place partial view with blood pump coupling assembling; Fig. 7 is that in Fig. 5, suture ring assembly is connected rear another state C place partial view with blood pump coupling assembling.
Ventricle coupling assembling of the present invention, comprises the suture ring assembly 2 being connected with the heart apex of the heart 41 and the blood pump coupling assembling 3 being connected with blood pump 1.As shown in Figure 1, in the time implanting, one end of artificial blood vessel 5 is connected with the aorta of natural heart 4, the other end and ventricular assist device, the outlet 12 that is blood pump 1 is connected, at the apex of the heart 41 places, suture ring assembly 2 is sewn onto on the apex of the heart 41, then the endoporus place of sewing up ring seat 21 at suture ring assembly 2 endoporus is by the apex of the heart 41 perforates, then the entrance inner tube 11 of blood pump 1 is inserted in ventricle by endoporus and the apex of the heart 41 perforates of suture ring assembly 2, after suture ring assembly 2 and blood pump coupling assembling 3 connect as one, realize being connected of blood pump 1 and natural heart 4.
Suture ring assembly 2 of the present invention not only comprises the suture ring 22 being connected with the heart apex of the heart 41 and is set in the stitching ring seat 21 of blood pump connection group 3, but also comprises a connection bearing pin 24.Consult Fig. 3, this connection bearing pin 24, through sewing up the through hole 211 of offering in ring seat 21, is locked and is installed in stitching ring seat 21 by nut 23 and the thread head 243 that is connected bearing pin 24 one end, makes to connect bearing pin 24 and freely rotates through hole 211 is interior.As shown in Figure 4, blood pump coupling assembling 3 comprises the entrance sintered pipes 31 being sleeved in blood pump 1 entrance inner tube 11, and these entrance sintered pipes 31 peripheries offer link slot 311.Consult Fig. 5 and Fig. 6, by being rotationally connected bearing pin 24, the face of cylinder that makes to connect circular arc tangent plane 242 places that arrange on bearing pin 24 falls in described link slot 311, makes to sew up ring seat 21 and fixes on entrance sintered pipes 31.
When use, first suture ring 22 is connected with the heart apex of the heart 41, first suture ring assembly 2 and the heart apex of the heart 41 are fixed as one.Then sew up the outside that ring seat 21 is sheathed on entrance sintered pipes 31, after this stitching ring seat 21 and connecting ring 31 suits, by connecting bearing pin 24, stitching ring seat 21 and entrance sintered pipes 31 are connected as one.By the connection of blood pump 1 and the heart apex of the heart 41, be converted to by sewing up ring seat 21 by connecting the connection of bearing pin 24 and entrance sintered pipes 31, and be connected respectively natural heart 4 and blood pump 1 by suture ring 22 with entrance sintered pipes 31.Said apparatus connected mode is simple, and the axial dimension being connected with heart without increase blood pump is easy to operate, can greatly save the operating time of operation, reduces the risk of operation.
In the present invention's one specific embodiment, connect set circular arc tangent plane 242 on bearing pin 24, its cambered surface diameter is identical with the diameter of bore of sewing up ring seat 21, and the body diameter at circular arc tangent plane 242 places is identical with through hole 211 internal diameters that stitching ring seat 21 is provided with.Preferably, can on connection bearing pin 24, be provided with one and dial handle 241, for connecting or unclamping and sew up the fixing of ring seat 21 and entrance sintered pipes 31, be convenient to stir connection bearing pin 24 with hands and arrive latched position and open position.For sewing up the through hole 211 that connection bearing pin 24 is installed in ring seat 21, its axis is parallel with stitching ring seat 21 bottom surfaces, and through hole 211 is following three's sum with the axial line distance of sewing up ring seat 21 endoporus: the radial depth L of through hole 211 radiuses and link slot 311 in the interior pore radius of stitching ring seat 21, stitching ring seat 21.The corresponding setting of axial location of the axial location of this through hole 211 and link slot 311.
In the present invention's one specific embodiment, the connector that suture ring 22 is prepared for woven dacron material, sew up the Connection Block that ring seat 21 is prepared for titanium alloy material, between suture ring 22 and described stitching ring seat 21, be provided with the surgical thread of the two being made to connection, get around and be provided with multiple stitching pin holes 212 that connect described surgical thread in the outer wall pressed on ring of sewing up ring seat 21.Surgical thread connects as one suture ring 22 by sewing up pin hole 212 with sewing up ring seat 21, guarantee the connective stability of the two, is easy to realize the connective stability of suture ring assembly 2 and the heart apex of the heart.
In the present invention's one specific embodiment, entrance sintered pipes 31 is set in entrance inner tube 11 outsides of blood pump 1, in its seam A, the welding of B place, adopts laser weld to fix, syndeton to connecting ring 31 and link position are accurately spacing, further improve the syndeton stability of ventricle coupling assembling.
When use, connect bearing pin 24 and pack into after the through hole 211 of sewing up ring seat 21, while guaranteeing that connection bearing pin 24 rotates to a position, the circular arc tangent plane 242 on it is concentric with the endoporus of sewing up ring seat 21.Blood pump coupling assembling 3 being inserted before the endoporus of suture ring assembly 2, need forward to the endoporus of sewing up ring seat 21 concentric by connecting bearing pin 24 circular arc tangent planes 242, when blood pump coupling assembling 3 is inserted at the end, the pump housing 1 is circumferentially being adjusted to suitable position, then with finger stir connect bearing pin 24 stir handle 241, the face of cylinder at circular arc tangent plane 242 places that connect bearing pin 24 is fallen in the link slot 311 of entrance sintered pipes 31, make blood pump coupling assembling 3 axially cannot deviating from from suture ring assembly 2, thereby the pump housing 1 is connected together with suture ring assembly 2.In the time occurring that special circumstances need to be taken out the pump housing 1 from suture ring assembly 2, can stir the handle 241 of stirring that connects bearing pin 24 and make to connect bearing pin 24 circular arc tangent planes 242 and forward to the endoporus of sewing up ring seat 21 with one heart, now the pump housing can be taken out from suture ring assembly.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a ventricle coupling assembling, comprise the suture ring assembly (2) being connected with the heart apex of the heart (41) and the blood pump coupling assembling (3) being connected with blood pump (1), described suture ring assembly (2) comprises the suture ring (22) being connected with the heart apex of the heart (41) and the stitching ring seat (21) that is set in described blood pump connection group (3), it is characterized in that:
Described suture ring assembly (2) also comprises a connection bearing pin (24), described connection bearing pin (24) is through sewing up the through hole (211) of offering in ring seat (21), be installed in and sew up in ring seat (21) with thread head (243) locking that is connected bearing pin (24) one end by nut (23), wherein, described connection bearing pin (24) freely rotates in through hole (211)
Described blood pump coupling assembling (3) comprises the entrance sintered pipes (31) being sleeved in blood pump (1) entrance inner tube (11), described entrance sintered pipes (31) periphery offers link slot (311), by being rotationally connected bearing pin (24), the face of cylinder that the circular arc tangent plane (242) that connects the upper setting of bearing pin (24) is located falls in described link slot (311), makes to sew up ring seat (21) and fixes on entrance sintered pipes (31).
2. a kind of ventricle coupling assembling according to claim 1, is characterized in that: the body diameter that described circular arc tangent plane (242) is located is identical with through hole (211) internal diameter, and its cambered surface diameter is identical with the diameter of bore of sewing up ring seat (21).
3. a kind of ventricle coupling assembling according to claim 1, it is characterized in that: the connector that described suture ring (22) is prepared for woven dacron material, the Connection Block that described stitching ring seat (21) is prepared for titanium alloy material, between described suture ring (22) and described stitching ring seat (21), be provided with the surgical thread of the two being made to connection, the outer wall pressed on ring of described stitching ring seat (21) gets around and is provided with multiple stitching pin holes (212) that connect described surgical thread.
4. a kind of ventricle coupling assembling according to claim 1, it is characterized in that: the axis of described through hole (211) is with to sew up ring seat (21) bottom surface parallel, and through hole (211) is following three's sum with the axial line distance of sewing up ring seat (21) endoporus: sew up interior the pore radius of ring seat (21), sew up the above radial depth of through hole radius and link slot (311) of ring seat (21).
5. a kind of ventricle coupling assembling according to claim 1, is characterized in that: the corresponding setting of axial location of the axial location of described through hole (211) and link slot (311).
6. according to any described a kind of ventricle coupling assembling of claim 1 to 4, it is characterized in that: described connection bearing pin (24) be provided with stir connect that bearing pin (24) rotates dial handle (241), for connecting or unclamping and sew up the fixing of ring seat (21) and entrance sintered pipes (31).
7. according to any described a kind of ventricle coupling assembling of claim 1 to 4, it is characterized in that: described entrance sintered pipes (31) is sleeved on entrance inner tube (11) outside of described blood pump (1), is connected with described blood pump (1) by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031534.0A CN103767742B (en) | 2014-01-23 | 2014-01-23 | A kind of ventricle coupling assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031534.0A CN103767742B (en) | 2014-01-23 | 2014-01-23 | A kind of ventricle coupling assembling |
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| Publication Number | Publication Date |
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| CN103767742A true CN103767742A (en) | 2014-05-07 |
| CN103767742B CN103767742B (en) | 2015-12-02 |
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| CN201410031534.0A Active CN103767742B (en) | 2014-01-23 | 2014-01-23 | A kind of ventricle coupling assembling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295592A (en) * | 2014-09-29 | 2015-01-21 | 钟再柏 | Connector with handle, connection framework and screen connecting device |
| CN107961407A (en) * | 2017-10-31 | 2018-04-27 | 深圳核心医疗器械有限公司 | The ventricle connection component and its assemble method of a kind of implanted artificial blood pump |
| CN110420048A (en) * | 2014-12-10 | 2019-11-08 | 心脏器械股份有限公司 | Heart pump implanted device and method |
| CN117899352A (en) * | 2024-03-20 | 2024-04-19 | 苏州同心医疗科技股份有限公司 | Ventricular connection device and ventricular connection system |
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| WO2004002573A1 (en) * | 2002-06-26 | 2004-01-08 | Kriton Medical, Inc. | Ventricular connector |
| JP2004060590A (en) * | 2002-07-31 | 2004-02-26 | Japan Servo Co Ltd | Roller pump |
| WO2007086186A1 (en) * | 2006-01-26 | 2007-08-02 | Jms Co., Ltd. | Roller pump |
| JP2013096499A (en) * | 2011-10-31 | 2013-05-20 | Air Water Safety Service Inc | Gas supply socket |
| US20140012202A1 (en) * | 2012-07-03 | 2014-01-09 | B. Braun Avitum Ag | Tube roller pump including pivoting cover and medical device for extracorporeal blood treatment |
| CN203724137U (en) * | 2014-01-23 | 2014-07-23 | 苏州同心医疗器械有限公司 | Ventricle connecting assembly |
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2014
- 2014-01-23 CN CN201410031534.0A patent/CN103767742B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004002573A1 (en) * | 2002-06-26 | 2004-01-08 | Kriton Medical, Inc. | Ventricular connector |
| JP2004060590A (en) * | 2002-07-31 | 2004-02-26 | Japan Servo Co Ltd | Roller pump |
| WO2007086186A1 (en) * | 2006-01-26 | 2007-08-02 | Jms Co., Ltd. | Roller pump |
| JP2013096499A (en) * | 2011-10-31 | 2013-05-20 | Air Water Safety Service Inc | Gas supply socket |
| US20140012202A1 (en) * | 2012-07-03 | 2014-01-09 | B. Braun Avitum Ag | Tube roller pump including pivoting cover and medical device for extracorporeal blood treatment |
| CN203724137U (en) * | 2014-01-23 | 2014-07-23 | 苏州同心医疗器械有限公司 | Ventricle connecting assembly |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295592A (en) * | 2014-09-29 | 2015-01-21 | 钟再柏 | Connector with handle, connection framework and screen connecting device |
| CN104295592B (en) * | 2014-09-29 | 2016-07-06 | 深圳市威斯泰克光电技术有限公司 | Have handled connector, connect framework and screen connecting device |
| CN110420048A (en) * | 2014-12-10 | 2019-11-08 | 心脏器械股份有限公司 | Heart pump implanted device and method |
| CN107961407A (en) * | 2017-10-31 | 2018-04-27 | 深圳核心医疗器械有限公司 | The ventricle connection component and its assemble method of a kind of implanted artificial blood pump |
| CN117899352A (en) * | 2024-03-20 | 2024-04-19 | 苏州同心医疗科技股份有限公司 | Ventricular connection device and ventricular connection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103767742B (en) | 2015-12-02 |
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Address after: Room 301, Building 07, Northwest District, Suzhou Nano City, No. 99, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu Province 215123 Patentee after: Suzhou Tongxin Medical Technology Co., Ltd. Address before: 215125 Room A4-302, No. 218, Xinghu Street, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU TONGXIN MEDICAL DEVICES CO.,LTD. |
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