CN203724137U - Ventricle connecting assembly - Google Patents
Ventricle connecting assembly Download PDFInfo
- Publication number
- CN203724137U CN203724137U CN201420042714.4U CN201420042714U CN203724137U CN 203724137 U CN203724137 U CN 203724137U CN 201420042714 U CN201420042714 U CN 201420042714U CN 203724137 U CN203724137 U CN 203724137U
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- China
- Prior art keywords
- ventricle
- ring seat
- blood pump
- coupling assembling
- bearing pin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a ventricle connecting assembly. The ventricle connecting assembly comprises a suture ring assembly and a blood pump connecting assembly. The suture ring assembly not only comprises a suture ring and a suture ring base but also comprises a connecting hinge pin, wherein the connecting hinge pin penetrates through a through hole formed in the suture ring base, the connecting hinge pin and a thread head at one end of the connecting hinge pin are locked through a nut so that the connecting hinge pin can be arranged on the suture ring base, and the connecting hinge pin can freely rotate in the through hole. The blood pump connecting assembly comprises an inlet sintering pipe arranged on a blood pump inlet inner pipe in a sleeved mode, a connecting groove is formed in the periphery of the inlet sintering pipe, and by rotating the connecting hinge pin, a cylindrical surface in the position of an arc tangent plane arranged on the connecting hinge pin can fall into the connecting groove, and the suture ring base is clamped on and fixed to the inlet sintering pipe. The ventricle connecting assembly is simple in structure, the axial size is small after connection, and the ventricle can be conveniently implanted into a human body to stably work; due to the ventricle connecting assembly, a ventricle auxiliary device and the heart can be rapidly connected, the time of the whole operation process is shortened, and risks of operations are reduced.
Description
Technical field
This utility model relates to making assisted circulation of ventriculus cordis technical field, more particularly, relates 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.
Utility model content
The purpose of this utility model is in order to solve the problems of the technologies described above, and 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, this utility model 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 for this utility model, and its cambered surface diameter is identical with the diameter of bore of sewing up ring seat.
This utility model 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 for this utility model, 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.
This utility model 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 to this utility model, for connecting or unclamping and sew up the fixing of ring seat and entrance sintered pipes.
Further, described entrance sintered pipes is sleeved on the entrance inner tube outside of described blood pump to this utility model, is connected with described blood pump by welding.
The beneficial effects of the utility model are 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 this utility model 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, this utility model structural design 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.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment 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 embodiment more of the present utility model, for those of ordinary skill in the art, 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 this utility model;
Fig. 2 is the explosive view of a kind of ventricle coupling assembling of this utility model 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;
The syndeton cutaway view of the ventricle coupling assembling that Fig. 5 provides for this utility model;
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.
Detailed description of the invention
The utility model 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 this utility model embodiment, the technical scheme in this utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Fig. 1～Fig. 7, the syndeton schematic diagram after the Operation of the ventricle coupling assembling that Fig. 1 provides for this utility model; The explosive view of the ventricle coupling assembling syndeton that Fig. 2 provides for this utility model; 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; The syndeton cutaway view of the ventricle coupling assembling that Fig. 5 provides for this utility model; 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.
This utility model ventricle coupling assembling, 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.
This utility model suture ring assembly 2 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 this utility model 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 this utility model 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, ensure 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 this utility model 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, employing laser weld is fixed, 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 ensureing 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 this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, this utility model 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 the arbitrary 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 the arbitrary 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 |
|---|---|---|---|
| CN201420042714.4U CN203724137U (en) | 2014-01-23 | 2014-01-23 | Ventricle connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042714.4U CN203724137U (en) | 2014-01-23 | 2014-01-23 | Ventricle connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724137U true CN203724137U (en) | 2014-07-23 |
Family
ID=51194249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042714.4U Withdrawn - After Issue CN203724137U (en) | 2014-01-23 | 2014-01-23 | Ventricle connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203724137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767742A (en) * | 2014-01-23 | 2014-05-07 | 苏州同心医疗器械有限公司 | Heart ventricle connection assembly |
| CN108289986A (en) * | 2015-11-25 | 2018-07-17 | 柏林心脏有限公司 | Attachment device |
| CN110624145A (en) * | 2018-12-29 | 2019-12-31 | 北京工业大学 | Artificial heart inlet joint for preventing thrombus in ventricle |
-
2014
- 2014-01-23 CN CN201420042714.4U patent/CN203724137U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767742A (en) * | 2014-01-23 | 2014-05-07 | 苏州同心医疗器械有限公司 | Heart ventricle connection assembly |
| CN103767742B (en) * | 2014-01-23 | 2015-12-02 | 苏州同心医疗器械有限公司 | A kind of ventricle coupling assembling |
| CN108289986A (en) * | 2015-11-25 | 2018-07-17 | 柏林心脏有限公司 | Attachment device |
| CN108289986B (en) * | 2015-11-25 | 2021-12-31 | 柏林心脏有限公司 | Connecting device |
| US11766555B2 (en) | 2015-11-25 | 2023-09-26 | Berlin Heart Gmbh | Connecting device |
| CN110624145A (en) * | 2018-12-29 | 2019-12-31 | 北京工业大学 | Artificial heart inlet joint for preventing thrombus in ventricle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |