CN211658856U

CN211658856U - Intracardiac aspirator that can switch mode at any time

Info

Publication number: CN211658856U
Application number: CN201922297855.6U
Authority: CN
Inventors: 姜烨凡; 陈思; 李庚�; 陈锦杰; 王晨
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-13
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a can switch intracardiac aspirator of mode at any time, including the aspirator main part, the one end fixedly connected with honeycomb duct of aspirator main part, the one end fixedly connected with suction joint of aspirator main part is kept away from to the honeycomb duct, the one end fixedly connected with hood that the honeycomb duct was kept away from to the suction joint, the arc wall has been seted up on the inner wall that the suction connects, be provided with the fly leaf in the arc wall, the suction hole has been seted up to tank bottom one side of arc wall, the through-hole has been seted up on the fly leaf. The utility model discloses a be provided with the arc wall in attracting the joint, be provided with the fly leaf in the arc wall, the fly leaf can be sealed with attracting the hole to the large aperture that will attract the hole changes into the small aperture of through-hole, is provided with the baffle on the fly leaf, and the baffle can be sealed with leading to the groove, makes the bottom that attracts the joint not lead to, and the ware that attracts the heart outward converts intracardiac aspirator into, and this device can unite two into one with the ware that attracts the heart outward and intracardiac aspirator, has improved the work efficiency of this device.

Description

Intracardiac aspirator that can switch mode at any time

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an intracardiac aspirator capable of switching modes at any time.

Background

At heart operation in-process, need attract the pipe through one and carry out the negative pressure blood suction to heart inside, because the negative pressure blood suction in-process has certain adsorption affinity, consequently it has the condition of adsorbing the endocardium at the blood suction mouth, can cause the mouth of pipe to block up this moment promptly, need stop the operation and attract the adjustment of pipe, will cause the harm that operation time increases, operation risk promotes this moment, the endocardium of damage can seriously influence the cardiac function of postoperative.

Chinese patent publication No. CN204337472U discloses an intracardiac suction tube catheter, which comprises a suction tube body, a suction joint arranged at the outer end of the suction tube body, and a blood suction hole arranged on the wall of the inner end of the suction tube body, wherein the inner end of the suction tube body is further provided with an adsorption prevention mechanism. Can form at the blood sucking mouth department and strut the cover, will inhale the blood side opening and spaciously place in strutting the spacious space in the cover, prevent that the endocardium from adsorbing, blockking up the blood sucking mouth.

Although the suction catheter described above can form a spreading cover at the blood suction port to avoid clogging of the nozzle, it cannot rapidly absorb the residual blood or secretions adsorbed on the tissue surface, and cannot better expose the local visual field, which affects the confirmation of the position of needle insertion, needle withdrawal, tissue excision, and the like. The intracardiac suction apparatus and the extracardiac suction apparatus need to be frequently replaced during the operation, and the efficiency of the operation is influenced. Therefore, it is necessary to provide an intracardiac aspirator capable of switching modes at any time to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an intracardiac aspirator capable of switching modes at any time, which solves the problem that the existing intracardiac aspirator can not rapidly absorb the residual blood or secretion adsorbed on the surface of the tissue; and the problem that the efficiency of the operation is influenced because the intracardiac suction apparatus and the extracardiac suction apparatus need to be frequently replaced in the operation.

(II) technical scheme

In order to realize the intracardiac aspirator capable of switching modes at any time, the problem that the existing intracardiac aspirator cannot rapidly absorb residual blood or secretion adsorbed on the surface of a tissue is solved; and need frequently change intracardiac aspirator and extracardiac aspirator in the art, influence the problem of the efficiency of operation, the utility model provides a following technical scheme:

an intracardiac aspirator capable of switching modes at any time comprises an aspirator main body, wherein a flow guide pipe is fixedly connected at one end of the aspirator main body, a suction joint is fixedly connected at one end of the flow guide pipe, which is far away from the aspirator main body, a top cap is fixedly connected at one end of the suction joint, which is far away from the flow guide pipe, cellular holes are arranged inside the top cap, an arc-shaped groove is arranged on the inner wall of the suction joint, a movable plate is arranged in the arc-shaped groove, suction holes are arranged on one side of the bottom of the arc-shaped groove, through holes are arranged on the movable plate, the through holes correspond to the suction holes, a convex block is fixedly connected at the top end of the suction joint and is connected with one side of the top end of the movable plate through a reset spring, a bottom plate is fixedly connected on, the baffle is matched with the through groove, and one end of the baffle, which is far away from the movable plate, is movably connected with the middle part of the bottom plate.

Preferably, the arc wall is provided with a plurality ofly, and a plurality of arc walls are the annular array and distribute, the quantity of fly leaf equals with the quantity of arc wall.

Preferably, the suction holes in the arc-shaped groove and the through holes in the movable plate are all provided with a plurality of suction holes, and the suction holes and the through holes are vertically distributed at equal intervals.

Preferably, a diversion trench is arranged between the suction holes in two adjacent horizontal directions, the diversion trench is of an arc-shaped structure, and the diversion trench is arranged on the outer side wall of the suction joint.

Preferably, it is provided with a plurality ofly to lead to the groove, and a plurality of logical grooves are annular array and distribute, and a plurality of logical grooves and the baffle one-to-one on a plurality of fly leafs, and the equal fixedly connected with round pin axle of one end that the fly leaf was kept away from to a plurality of baffles, the middle part swing joint of bearing and bottom plate is passed through to the bottom of round pin axle.

Preferably, an empty groove is formed in the guide pipe, a guide steel wire is arranged in the empty groove, and a guide ring is fixedly connected to the top end of the suction connector.

Preferably, one end of the guide wire penetrates through the side wall of the bottom of the empty groove and is inserted into the suction connector, and one end of the guide wire penetrates through the guide ring and is fixedly connected with the top end of one movable plate.

Preferably, the other end of the guide steel wire penetrates through the empty groove and is fixedly connected with a pulling plate, and the pulling plate is positioned on the outer side of the flow guide pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a can switch over intracardiac aspirator of mode at any time possesses following beneficial effect:

1. the utility model discloses a through-hole on negative pressure suction device, honeycomb duct and the suction joint, among sucking negative pressure suction device with blood, water and other secretions etc. in the operation field of vision, more clear that will operate the field of vision and expose.

2. The utility model discloses a be provided with the dead slot in the honeycomb duct, the guide steel wire in the dead slot can stimulate the fly leaf fast for the fly leaf rotates, makes this device can carry out the switching of extracardiac suction apparatus and intracardiac suction apparatus fast, has greatly improved the work efficiency of this device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the arc-shaped groove structure of the present invention.

Fig. 3 is a schematic structural diagram of the return spring of the present invention.

Fig. 4 is a schematic view of the structure of the suction hole of the present invention.

Fig. 5 is a schematic view of the bottom plate structure of the present invention.

Fig. 6 is a schematic sectional view of the bottom plate structure of the present invention.

Fig. 7 is a schematic view of the structure of the empty groove of the present invention.

Fig. 8 is a schematic view of the structure of the guide ring of the present invention.

In the figure: 1. a suction apparatus main body; 2. a flow guide pipe; 3. a suction fitting; 4. a top cap; 5. an arc-shaped slot; 6. a movable plate; 7. a suction hole; 8. a diversion trench; 9. a through hole; 10. a bump; 11. a return spring; 12. a base plate; 13. a through groove; 14. a baffle plate; 15. an empty groove; 16. a guide wire; 17. a guide ring; 18. and (5) pulling the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-8, an intracardiac aspirator capable of switching modes at any time, as shown in fig. 1, comprises an aspirator body 1, one end of the aspirator body 1 is fixedly connected with a flow guide tube 2, one end of the flow guide tube 2 far away from the aspirator body 1 is fixedly connected with an aspiration connector 3, one end of the aspiration connector 3 far away from the flow guide tube 2 is fixedly connected with a top cap 4, the inside of the top cap 4 is provided with honeycomb holes for absorbing blood conveniently, the other end of a guide steel wire 16 penetrates through a hollow groove 15 and is fixedly connected with a pull plate 18, and the pull plate 18 is located outside the flow guide tube 2.

As shown in figure 2, the inner wall of the suction joint 3 is provided with a plurality of arc-shaped grooves 5, the arc-shaped grooves 5 are distributed in an annular array, movable plates 6 are arranged in the arc-shaped grooves 5, the number of the movable plates 6 is equal to that of the arc-shaped grooves 5, one side of the bottom of the arc-shaped grooves 5 is provided with a plurality of suction holes 7, the plurality of suction holes 7 are vertically distributed at equal intervals, and the plurality of suction holes 7 can rapidly absorb blood or secretion in the operation field, so as to better expose the local visual field and clearly determine the positions of needle insertion, needle withdrawal, tissue excision and the like, the movable plate 6 is provided with a plurality of through holes 9, the through holes 9 correspond to the suction holes 7, the through holes 9 are vertically distributed at equal intervals, the through holes 9 play a role of absorbing blood, meanwhile, the through hole 9 with small aperture can not damage the epicardium or the endocardium when absorbing blood or foreign matters.

As shown in fig. 2 and 3, a diversion trench 8 is arranged between the suction holes 7 in two adjacent horizontal directions, the diversion trench 8 is arranged in an arc-shaped structure, the diversion trench 8 is arranged on the outer side wall of the suction joint 3, the diversion trench 8 is arranged to enable the suction holes 7 to absorb blood more quickly and conveniently, and the blood clots can be prevented from blocking the surfaces of the suction holes 7 and affecting the absorption efficiency of the suction holes 7.

As shown in fig. 4, a projection 10 is fixedly connected to the top end of the suction fitting 3, the projection 10 is connected to the top end side of the movable plate 6 through a return spring 11, and the return spring 11 is disposed so that the movable plate 6 can be automatically returned when not subjected to a force.

As shown in fig. 5 and 6, a bottom plate 12 is fixedly connected to the inner wall of the bottom end of the suction connector 3, a through groove 13 is formed in the bottom plate 12, a baffle 14 is fixedly connected to the bottom end of the movable plate 6, the baffle 14 is adapted to the through groove 13, the baffle 14 can seal the through groove 13, one end of the baffle 14 away from the movable plate 6 is movably connected to the middle of the bottom plate 12, the through grooves 13 are provided with a plurality of through grooves 13, the plurality of through grooves 13 are distributed in an annular array, the plurality of through grooves 13 are matched with the honeycomb-shaped holes on the top cap 4 to rapidly, the plurality of through grooves 13 correspond to the baffles 14 on the plurality of movable plates 6 one by one, one ends of the plurality of baffles 14 far away from the movable plates 6 are fixedly connected with pin shafts, the bottom ends of the pin shafts are movably connected with the middle part of the bottom plate 12 through bearings, with this arrangement, the flap 14 is enabled to rotate relative to the base plate 12, while also enabling the plurality of movable plates 6 to rotate simultaneously.

As shown in fig. 7 and 8, an empty groove 15 is formed in the draft tube 2, a guide steel wire 16 is arranged in the empty groove 15, a guide ring 17 is fixedly connected to the top end of the suction connector 3, one end of the guide steel wire 16 penetrates through the side wall of the bottom of the empty groove 15 and is inserted into the suction connector 3, one end of the guide steel wire 16 penetrates through the guide ring 17 and is fixedly connected to the top end of one movable plate 6, and the guide ring 17 plays a role in guiding, so that when the guide steel wire 16 vertically moves upwards, the movable plate 6 can be driven to rotate.

The utility model discloses a theory of operation: firstly, the suction connector 3 is placed in an operation position of a heart, then the suction apparatus main body 1 is replaced by a negative pressure suction apparatus, blood, water and other secretions in an operation visual field are sucked into the negative pressure suction apparatus through the negative pressure suction apparatus, the guide pipe 2 and the through hole 9 on the suction connector 3, the operation visual field is exposed more clearly, in order to avoid the damage of the suction connector 3 to epicardium or endocardium, firstly, the pulling plate 18 is pulled, the pulling plate 18 drives the guide steel wire 16 to move, the guide steel wire 16 drives one movable plate 6 to rotate through the guide ring 17, the movable plate 6 drives other movable plates 6 to rotate together through the baffle plate 14, so that the reset spring 11 is compressed and stressed, at the moment, the baffle plate 14 rotates to the through groove 13 to seal the through groove 13, the movable plate 6 rotates to the suction hole 7 to seal the suction hole 7, the through hole 9 on the movable plate 6 moves to, replacing the suction holes 7 with a function of absorbing blood while replacing the suction unit body 1 with an extracorporeal circulation device enables the suction adapter 3 to suck blood in the operation field back into the extracorporeal circulation device, avoiding damaging the epicardium or endocardium during the blood suction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intracardiac aspirator capable of switching modes at any time, which comprises an aspirator main body (1), and is characterized in that: the suction device is characterized in that a guide pipe (2) is fixedly connected to one end of the suction device body (1), a suction connector (3) is fixedly connected to one end, away from the suction device body (1), of the guide pipe (2), a top cap (4) is fixedly connected to one end, away from the guide pipe (2), of the suction connector (3), a honeycomb hole is formed in the top cap (4), an arc-shaped groove (5) is formed in the inner wall of the suction connector (3), a movable plate (6) is arranged in the arc-shaped groove (5), a suction hole (7) is formed in one side of the groove bottom of the arc-shaped groove (5), a through hole (9) is formed in the movable plate (6), the through hole (9) corresponds to the suction hole (7), a lug (10) is fixedly connected to the top end of the suction connector (3), and the lug (10) is connected with one side of the, fixedly connected with bottom plate (12) on the bottom inner wall of suction joint (3), logical groove (13) have been seted up on bottom plate (12), bottom fixedly connected with baffle (14) of fly leaf (6), baffle (14) and logical groove (13) looks adaptation, the middle part swing joint of one end that fly leaf (6) were kept away from in baffle (14) and bottom plate (12).

2. The intracardiac aspirator capable of switching modes at any time according to claim 1, characterized in that: the arc wall (5) are provided with a plurality of, and a plurality of arc wall (5) are the annular array and distribute, the quantity of fly leaf (6) equals with the quantity of arc wall (5).

3. The intracardiac aspirator capable of switching modes at any time according to claim 1, characterized in that: the suction holes (7) in the arc-shaped groove (5) and the through holes (9) in the movable plate (6) are arranged in a plurality, and the suction holes (7) and the through holes (9) are vertically distributed at equal intervals.

4. The intracardiac aspirator capable of switching modes at any time according to claim 1, characterized in that: be provided with guiding gutter (8) between two adjacent horizontal directions attract hole (7), guiding gutter (8) set up to the arc structure, and guiding gutter (8) are seted up on the lateral wall that attracts to connect (3).

5. The intracardiac aspirator capable of switching modes at any time according to claim 1, characterized in that: lead to groove (13) and be provided with a plurality ofly, a plurality ofly lead to groove (13) and be annular array and distribute, and a plurality ofly lead to baffle (14) one-to-one on groove (13) and a plurality of fly leaf (6), the equal fixedly connected with round pin axle of one end that fly leaf (6) were kept away from in a plurality of baffles (14), the middle part swing joint of bearing and bottom plate (12) is passed through to the bottom of round pin axle.

6. The intracardiac aspirator capable of switching modes at any time according to claim 1, characterized in that: an empty groove (15) is formed in the guide pipe (2), a guide steel wire (16) is arranged in the empty groove (15), and a guide ring (17) is fixedly connected to the top end of the suction connector (3).

7. The intracardiac aspirator capable of switching modes at any time according to claim 6, characterized in that: one end of the guide steel wire (16) penetrates through the side wall of the bottom of the empty groove (15) and is inserted into the suction joint (3), and one end of the guide steel wire (16) penetrates through the guide ring (17) and is fixedly connected with the top end of one movable plate (6).

8. The intracardiac aspirator capable of switching modes at any time according to claim 6, characterized in that: the other end of the guide steel wire (16) penetrates through the empty groove (15) and is fixedly connected with a pulling plate (18), and the pulling plate (18) is positioned on the outer side of the guide pipe (2).