CN208822858U - It is a kind of through apical puncture closing device - Google Patents
It is a kind of through apical puncture closing device Download PDFInfo
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- CN208822858U CN208822858U CN201721494198.9U CN201721494198U CN208822858U CN 208822858 U CN208822858 U CN 208822858U CN 201721494198 U CN201721494198 U CN 201721494198U CN 208822858 U CN208822858 U CN 208822858U
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- umbrella disk
- closing device
- plugging device
- delivery guidewire
- end umbrella
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Abstract
The utility model relates to the field of medical instrument technology more particularly to a kind of through apical puncture closing device.Through apical puncture closing device include load sheath, be threaded through load sheath in delivery guidewire, be threaded in delivery guidewire one end plugging device and be fixedly connected on delivery guidewire the other end handle；Drawing handle can make plugging device discharged in by loading sheath and be accommodated in load sheath in two states in switch, rotational handle can be such that delivery guidewire separates with plugging device.The puncturing hole left on ventricle after the apex of the heart is performed the operation can be blocked through apical puncture closing device using provided by the utility model, the fatal risks such as the pericardial tamponade as caused by trocar puncture hole hemorrhage, pleural cavity hematocele is effectively prevented, improves the safety of operation.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of through apical puncture closing device.
Background technique
Having a major class to be in heart disease with various " defects " of endocardial or " leak " is performance, in this both
The ventricular septal defect for accounting for as many as all congenital heart diseases 20% is contained, aorta petal or two points quite a lot are also contained
The perivalvular leakage that valve Prosthetic heart valves occur.Treating the method that such disease is more innovated at present is directly in skin of chest
Surface punctures, and then enters endocardial by image-guided further puncture ventricle and completes Occlusion therapy.
But the biggest problem faced in this way is, endocardial blocks after terminating and withdrawing sheath, only due to skin surface
There is the small wound of a several mm dias, surgeon is difficult to leave by the method closing ventricle surfaces of conventional Thophoria suture
Puncturing hole, and the methods of pressing or pressure dressing is routinely taken to be difficult to overcome this drawback.Again since left ventricular pressure is higher,
Puncturing hole is difficult self-heal, and the pericardial tamponade as caused by bleeding and pleural cavity hematocele incidence are higher, jeopardizes patient vitals' peace
Entirely.
Therefore, it is necessary to a kind of devices that can block specifically for this puncturing hole hemostasis under conditions of minimally invasive.
Utility model content
The purpose of this utility model is to provide a kind of through apical puncture closing device, to solve to exist in the prior art
The puncturing hole left on ventricle after the apex of the heart is performed the operation the technical issues of can not being closed.
For this purpose, the utility model uses following technical scheme:
It is a kind of through apical puncture closing device, including load sheath, the delivery guidewire being threaded through in the loading sheath,
It is threaded in the plugging device of one end of the delivery guidewire and is fixedly connected on the hand of the other end of the delivery guidewire
Handle；The handle is pushed and pulled, the plugging device can be made to discharge and be accommodated in the loading sheath in by the loading sheath
Two states in switch；The handle is rotated, the delivery guidewire can be made to separate with the plugging device.
Preferably, after the plugging device includes front end umbrella disk, rear end umbrella disk and the connection front end umbrella disk and is described
Hold the waist connector of umbrella disk；The front end umbrella disk is arranged in parallel with the rear end umbrella disk, and the big end of the front end umbrella disk is straight
Diameter is greater than the outside diameter of the rear end umbrella disk.
Preferably, the longitudinal section of the waist connector is trapezoidal, the end face that the waist connector is relatively large in diameter with
The small end of the front end umbrella disk connects, and the lesser end face of waist connector diameter is connect with the small end of the rear end umbrella disk.
Preferably, the outside diameter of the front end umbrella disk is 0.5cm-1.5cm, the end diameter of the front end umbrella disk is
0.1cm-0.5cm；The outside diameter of the rear end umbrella disk is 0.2cm-0.8cm, and the end diameter of the rear end umbrella disk is
0.05cm-0.4cm。
Preferably, being filled with hemostatic material in the plugging device.
Preferably, the plugging device is woven by nitinol alloy wire.
Preferably, the count of the waist connector is greater than the count of the front end umbrella disk.
Preferably, the big end of the front end umbrella disk is provided with development point.
Preferably, the big end of the rear end umbrella disk is provided with threaded hole, it is provided in the delivery guidewire and the spiral shell
The external screw thread of pit cooperation.
Preferably, the loading sheath is connected with haemostatic valve far from one end of the plugging device.
The utility model has the beneficial effects that
It is provided by the utility model to load sheath through apical puncture closing device, including loading sheath, part setting
Interior delivery guidewire, be removably attachable to delivery guidewire one end plugging device and be connected to the other end of delivery guidewire
Handle；Drawing handle can make plugging device discharged in by loading sheath and be accommodated in load sheath in two states in cut
It changes；Rotational handle can be such that delivery guidewire separates with plugging device.It is filled using provided by the utility model be closed through apical puncture
Set, the puncturing hole left on ventricle after the apex of the heart is performed the operation can be blocked, effectively avoid the pericardial tamponade as caused by trocar puncture hole hemorrhage,
The fatal risk such as pleural cavity hematocele, improves the safety of operation.
Detailed description of the invention
Fig. 1 be it is provided by the utility model through apical puncture closing device plugging device be not received into load sheath when
Structural schematic diagram；
Fig. 2 is the knot provided by the utility model through apical puncture closing device when plugging device is received into loading sheath
Structure schematic diagram；
Fig. 3 is the structural schematic diagram of plugging device provided by the utility model.
In figure:
1- loads sheath；2- delivery guidewire；3- plugging device；4- handle；5- haemostatic valve；
The front end 31- umbrella disk；The rear end 32- umbrella disk；33- waist connector.
Specific embodiment
The technical solution of the utility model is further illustrated with embodiment with reference to the accompanying drawing.It is understood that this
Locate described specific embodiment and is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
Illustrate, illustrates only part relevant to the utility model for ease of description, in attached drawing and not all.
Referring to Fig. 1 and Fig. 2, provided by the utility model through apical puncture closing device, including load sheath 1, wear
It is loading the plugging device 3 of the delivery guidewire 2 in sheath 1, the one end for being threaded in delivery guidewire 2 and is being fixedly connected on defeated
Send the handle 4 of the other end of seal wire 2；Drawing handle 4 can make plugging device 3 discharge and be accommodated in loading out of loading sheath 1
Switch in two states in sheath 1；Rotational handle 4 can be such that delivery guidewire 2 separates with plugging device 3.
In the present embodiment, sheath 1 is loaded as thin-walled plastic structure, and internal diameter 6Fr, length 30cm, tail end are connected with
Haemostatic valve 5.
Delivery guidewire 2 is braided steel wire structure, and the diameter of delivery guidewire 2 is 0.1cm, length 50cm, 2 head of delivery guidewire
End is provided with external screw thread.2 tail end of delivery guidewire is connected with handle 4, convenient for pushing and pulling and rotating delivery guidewire 2.
Referring to Fig. 3, before the T-shaped structure in the longitudinal section of plugging device 3, including front end umbrella disk 31, rear end umbrella disk 32 and connection
Hold the waist connector 33 of umbrella disk 31 and rear end umbrella disk 32, wherein front end umbrella disk 31 is arranged in parallel with rear end umbrella disk 32, and front end
The outside diameter of umbrella disk 31 is greater than the outside diameter of rear end umbrella disk 32；The longitudinal section of waist connector 33 is trapezoidal, waist connection
The end face that body 33 is relatively large in diameter is connect with the small end of front end umbrella disk 31, the lesser end face of 33 diameter of waist connector and the rear end
The small end of umbrella disk 32 connects.The said structure design of plugging device 3, make first plugging device 3 in vitro when be easy to be accommodated in loading
It in sheath 1, when next discharges plugging device 3 in vivo, is preferably bonded with puncturing hole, especially the section ruler of front end umbrella disk 31
Very little larger, can be stable be covered on ventricular endocardium avoids trocar puncture hole hemorrhage.Preferably, the outside diameter of front end umbrella disk 31
For 0.5cm-1.5cm, the end diameter of front end umbrella disk 31 is 0.1cm-0.5cm；The outside diameter of rear end umbrella disk 32 is 0.2cm-
0.8cm, the end diameter of rear end umbrella disk 32 are 0.05cm-0.4cm.
Further, plugging device 3 is woven by nitinol alloy wire, specifically, nitinol alloy wire originates in a front pillar
Point extends in the range of 360 ° along the radial of plugging device 3 from preceding pin deck, circular configuration is formed, then simultaneously along plugging device 3
It is radial and axial to extend in cambered surface, constitute front end umbrella disk 31；Nitinol alloy wire is from the rear end of front end umbrella disk 31 along the axis of plugging device 3
To extension, waist connector 33 is constituted；Nitinol alloy wire is shunk in the rear end of waist connector 33 in after pencil, then to plugging device
3 radial direction extends in the range of 360 °, then extends simultaneously along the radial and axial of plugging device 3 in cambered surface, finally again along envelope
Stifled device 3 radially extends, and rear end umbrella disk 32 is constituted, after nitinol alloy wire finally converges to one in pin deck.Preferably, preceding stationary point
It is respectively positioned on rear stagnation point on the axial line of plugging device 3.Preferably, the count of waist connector 33 is greater than front end umbrella disk 31
Count.Preferably, the diameter of nitinol alloy wire is 0.05mm-0.15mm.
Further, hemostatic material is preset inside plugging device 3, in the present embodiment, front end umbrella disk 31 is internally provided with
Stanch fibre is filled in haemostatic membrane, waist connector 33 and rear end umbrella disk 32.
Further, it is provided with development point at the preceding stationary point of front end umbrella disk 31, to closing device closing puncturing hole
Process is observed in real time, to instruct specific closure microtechnique, so that the process of closure is more accurate.After rear end umbrella disk 32
It is provided with threaded hole compatible with the external screw thread of delivery guidewire 2 at stationary point, envelope is realized by the cooperation of external screw thread and threaded hole
Stifled device 3 is detachably connected with delivery guidewire 2.
It is as follows that the process through apical puncture is blocked through apical puncture closing device:
It is postoperative through apex of the heart surgical procedure, in the apex of the heart sheath that left ventricle indwelling internal diameter is 6Fr；Handle 4 is pulled, by plugging device
3 are received into loading sheath 1, realize external loading plugging device 3；Sheath 1 will be loaded to abut with apex of the heart sheath, then driving handle 4,
Plugging device 3 is pushed into apex of the heart sheath, continues to press on handle 4, discharges 3 front end umbrella disk 31 of plugging device in left ventricle, and then is closed
Device is integrally withdrawn, and makes front end umbrella disk 31 tight against left ventricle inner membrance；Fixed delivery guidewire 2, removes and loads sheath 1 and apex of the heart sheath
Pipe, rear end umbrella disk 32 discharges outside left ventricle, so that plugging device 3 is blocked through apical puncture；By ventriculography of left ventricle or surpass
Sound determines that after apical puncture is without bleeding is shunted, rotational handle 4 makes the external screw thread in delivery guidewire 2 from rear end umbrella disk 32
It screws out, so that delivery guidewire 2 be made to separate with plugging device 3, plugging device 3 is blocked at through apical puncture.
Using provided by the utility model through apical puncture closing device, it can block and be stayed on ventricle after the apex of the heart is performed the operation
Under puncturing hole, effectively prevent the fatal risks such as the pericardial tamponade as caused by trocar puncture hole hemorrhage, pleural cavity hematocele, improve
The safety of operation.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of through apical puncture closing device, which is characterized in that including loading sheath (1), being threaded through the loading sheath
(1) delivery guidewire (2) in, be threaded in the delivery guidewire (2) one end plugging device (3) and be fixedly connected on
The handle (4) of the other end of the delivery guidewire (2)；The handle (4) are pushed and pulled, the plugging device (3) can be made by described
It loads in sheath (1) and switches in release and the two states being accommodated in loading sheath (1)；Rotate the handle (4), energy
Separate the delivery guidewire (2) with the plugging device (3).
2. according to claim 1 through apical puncture closing device, which is characterized in that before the plugging device (3) includes
End umbrella disk (31), rear end umbrella disk (32) and the connection front end umbrella disk (31) connect with the waist of the rear end umbrella disk (32)
Body (33)；The front end umbrella disk (31) is arranged in parallel with the rear end umbrella disk (32), and the big end of the front end umbrella disk (31) is straight
Diameter is greater than the outside diameter of the rear end umbrella disk (32).
3. according to claim 2 through apical puncture closing device, which is characterized in that the waist connector (33)
Longitudinal section is trapezoidal, and the end face that the waist connector (33) is relatively large in diameter is connect with the small end of the front end umbrella disk (31), institute
Waist connector (33) lesser end face of diameter is stated to connect with the small end of the rear end umbrella disk (32).
4. according to claim 3 through apical puncture closing device, which is characterized in that the front end umbrella disk (31) it is big
End diameter is 0.5cm-1.5cm, and the end diameter of the front end umbrella disk (31) is 0.1cm-0.5cm；The rear end umbrella disk (32)
Outside diameter be 0.2cm-0.8cm, the end diameter of the rear end umbrella disk (32) is 0.05cm-0.4cm.
5. according to claim 1 through apical puncture closing device, which is characterized in that filling in the plugging device (3)
There is hemostatic material.
6. according to claim 2 through apical puncture closing device, which is characterized in that the plugging device (3) is by NiTi
Alloy wire weaves.
7. according to claim 6 through apical puncture closing device, which is characterized in that the waist connector (33)
Count is greater than the count of the front end umbrella disk (31).
8. according to claim 2 through apical puncture closing device, which is characterized in that the front end umbrella disk (31) it is big
End is provided with development point.
9. according to claim 2 through apical puncture closing device, which is characterized in that the rear end umbrella disk (32) it is big
End is provided with threaded hole, and the external screw thread with threaded hole cooperation is provided on the delivery guidewire (2).
10. puncture hole closing device according to claim 1, which is characterized in that the loading sheath (1) is far from the envelope
The one end of stifled device (3) is connected with haemostatic valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494198.9U CN208822858U (en) | 2017-11-10 | 2017-11-10 | It is a kind of through apical puncture closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494198.9U CN208822858U (en) | 2017-11-10 | 2017-11-10 | It is a kind of through apical puncture closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208822858U true CN208822858U (en) | 2019-05-07 |
Family
ID=66303047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721494198.9U Active CN208822858U (en) | 2017-11-10 | 2017-11-10 | It is a kind of through apical puncture closing device |
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| CN (1) | CN208822858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081131A (en) * | 2021-04-06 | 2021-07-09 | 苏州茵络医疗器械有限公司 | Auxiliary system for transapical operation |
-
2017
- 2017-11-10 CN CN201721494198.9U patent/CN208822858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081131A (en) * | 2021-04-06 | 2021-07-09 | 苏州茵络医疗器械有限公司 | Auxiliary system for transapical operation |
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