CN212490256U - Valve conveyor tailstock connecting mechanism and valve conveyor - Google Patents

Abstract

The utility model relates to the field of medical equipment, a valve conveyer tailstock coupling mechanism and valve conveyer is disclosed, wherein, a valve conveyer tailstock coupling mechanism connects at the tail end that conveyor was intervene to the valve for evacuation before the art and wear to send the seal wire, include: the Y-shaped pipe fitting, the sealing head connected to the Y-shaped pipe fitting, and the first sealing plate and the second sealing plate arranged in the sealing head are arranged on the side wall of the sealing head, and the insertion hole communicated with the accommodating cavity is formed in the side wall of the sealing head; the second sealing plate is provided with a first through hole, and the first sealing plate is provided with a plurality of crossed cuts matched with the first through hole in position; wherein, when the guide wire passes through the first sealing plate, the area of the first sealing plate opened along the cut corresponds to the first perforation, and the cut and the first perforation form a passing channel; when the guidewire is withdrawn, the incision is closed to effect a seal.

Description

Valve conveyor tailstock connecting mechanism and valve conveyor

Technical Field

The utility model relates to the field of medical equipment, especially indicate a valve conveyer tailstock coupling mechanism and valve conveyer.

Background

Interventional medical technology developed from the late 70 s, with the development of imaging technology, it is often necessary to insert a specially-made catheter or instrument to a diseased part through percutaneous puncture or through an original channel of a human body for diagnostic imaging, treatment, tissue collection, bacteriology, cytology research, biochemical examination and treatment, etc., and during the operation, in order to reduce damage to human tissues, blood loss and complicated procedures of the operation, a catheter sheath and other delivery devices, exchange devices, etc. are often adopted.

In the whole process of valve replacement surgery, due to blood overflow, in the surgery process, although medical staff carefully and thoroughly operate, blood overflow of a tail seat at the far end of the valve conveyor can occur, even blood stain spots exist under an operating table, the tail end of the existing valve conveyor is complex in design, and the operation is inconvenient in the surgery.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve conveyer tailstock coupling mechanism and valve conveyer will solve current valve conveyer handle end blood overflow and the not thorough technical problem of evacuation, avoid secondary pollution and cross infection, reduce the operation risk, improve the purpose of operation effect.

The utility model provides a technical scheme as follows:

a valve feeder tailstock attachment mechanism attached to the trailing end of a valve intervention delivery device for threading a guidewire, comprising:

the Y-shaped pipe fitting comprises a main pipe section and a side pipe communicated with the main pipe section, and one end of the main pipe section is communicated and connected with the tail end of the interventional conveying device;

the sealing head is connected to one end of the main pipe section, which is far away from the intervention conveying device, an accommodating cavity is formed in the sealing head, and an inserting hole communicated with the accommodating cavity is formed in one end, which is far away from the Y-shaped pipe fitting, of the sealing head;

the first sealing plate and the second sealing plate are sequentially overlapped in the accommodating cavity along the direction from the main pipe section to the sealing head, the second sealing plate is provided with a first through hole, and the first sealing plate is provided with a plurality of crossed notches matched with the first through hole;

when the guide wire passes through the first sealing plate along the insertion hole and the first perforation, a space opened by the first sealing plate along the notch and the first perforation form a passing channel;

when the guide wire is drawn out of the tailstock connecting mechanism, the first sealing plate is closed along the opened part of the notch.

In the technical scheme, a first sealing plate and a second sealing plate are arranged in a sealing head, a plurality of notches are formed in the first sealing plate, an area opened by the notches is a penetration area so that a guide wire can penetrate through the penetration area, a first through hole is formed in the second sealing plate and matched with the penetration area so that the guide wire penetrates through an insertion hole and then is guided by the first through hole, and the guide wire penetrates through the penetration area on the first sealing plate; after the use, when taking out from the seal wire, the seal wire can take first closing plate out along notched part, and first perforation prevents that first closing plate from being located incision department and being taken out outward this moment to make that first closing plate can be better closed along the incision under self elastic effect, realize sealed effect, and this tailstock coupling mechanism simple structure, convenient operation.

Preferably, the intersection point of the plurality of cuts is on the same axis as the center of the first perforation.

In this technical scheme, the intersection point of several incisions and the first fenestrate centre of a circle are on the same axis, and when the seal wire passed first perforation, the seal wire can pass first closing plate along the intersection point, and first closing plate can open along notched position this moment, forms the passageway to make the seal wire can pass, and intersection point and centre of a circle are located the same axis, make things convenient for the seal wire to pass first closing plate.

Preferably, still include the third sealing plate, set up and hold the intracavity, and offer on the third sealing plate with several incisions assorted second perforation, and first sealing plate presss from both sides and establishes between second sealing plate and the third sealing plate.

In this technical scheme, can also add the third closing plate in holding the intracavity, third closing plate and second closing plate press from both sides first closing plate and establish in the centre, and the second perforation has been seted up on the third closing plate, the second is perforated, incision and first perforation one-to-one, so that the seal wire can pass first perforation smoothly, incision and second perforation, the second perforation of addding can make the seal wire after passing the third closing plate, can not make on the first closing plate along the part of incision department can take place too big deformation when passing because of the seal wire, so that be difficult to after the seal wire is taken out from along the incision closure, cause the poor problem of leakproofness.

Preferably, the number of the notches is three, and the three notches are distributed in a ring shape at equal intervals.

In this technical scheme, with the quantity control of incision at three, and the incision is annular equidistance and distributes, the intersection point of incision and the centre of a circle of first perforation are on same axis, and the incision that annular equidistance distributes makes when the seal wire is taken out from, the better closure in position of first closing plate along the incision.

Preferably, the first seal plate, the second seal plate and/or the third seal plate are integrally formed.

Preferably, the first sealing plate, the second sealing plate and the third sealing plate are made of elastic materials.

Preferably, the main pipe section comprises a connecting pipe and a straight pipe, and the connecting pipe is in conduction connection with the straight pipe.

In this technical scheme, the connecting pipe is direct to be connected with interveneeing conveyor, has avoided the intervention conveyor among the prior art still need be connected hemostatic valve with interveneeing conveyor when using, this design benefit links together it with interveneeing conveyor to make when using intervene conveyor, direct use can.

Preferably, the sealing head comprises:

the sealing cylinder is communicated with one end of the straight pipe, which is far away from the connecting pipe;

the sealing cover is connected with one end, far away from the straight pipe, of the sealing barrel, so that a containing cavity is formed in the space between the straight pipe and the sealing cover in the sealing barrel.

In this technical scheme, sealed section of thick bamboo is connected so that form in the sealed section of thick bamboo and hold the chamber and place first closing plate and second closing plate with sealed lid, and laminate with the inner wall that holds the chamber respectively between first closing plate and the second closing plate to the messenger when using, the leakproofness is better, and this design is simple easy to operate.

Preferably, the support device further comprises a support member, and two ends of the support member are respectively connected to the side wall of the side pipe and the side wall of the straight pipe for supporting the side pipe.

In this technical scheme, design support piece, support piece plays supporting role to the side pipe to make the side pipe more stable with being connected of straight tube.

Preferably, a luer cap is connected to one end of the side tube, which is far away from the straight tube, so as to seal the side tube.

A valve transporter, characterized by: comprises a valve feeder tailstock connecting mechanism as described in any one of the above.

Compared with the prior art, the utility model provides a pair of valve conveyer tailstock coupling mechanism and valve conveyer have following beneficial effect:

1. the utility model discloses a set up in sealed head and hold the chamber, so that first closing plate and second closing plate can fold and establish and hold the intracavity, and seted up several incisions on the first closing plate, first perforation has been seted up on the second closing plate simultaneously, first perforation is corresponding with several incisions, so that form the passageway when the seal wire passes, when the seal wire is taken out simultaneously, first closing plate can make blood can not overflow along the incision closure and come out, and simultaneously, the first perforation of seting up on the second closing plate is when sending the seal wire, can play fine guide effect, can play fine blocking effect when taking out, prevent that the incision region from being taken out on the first closing plate, be favorable to on the first closing plate along notched part closure, realize fine sealed effect, the phenomenon of avoiding the blood overflow takes place.

2. The utility model discloses a design ingenious on first closing plate and second closing plate for this tailstock simple structure is easy and simple to handle.

Drawings

The foregoing features, technical features, advantages and implementations of a valve transporter tailstock attachment mechanism and valve transporter are further described in the following detailed description of the preferred embodiments in a clearly understood manner with reference to the accompanying drawings.

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the first sealing plate and the second sealing plate of the present invention when they are stacked;

fig. 4 is a schematic structural view of the first sealing plate and the second sealing plate of the present invention.

The reference numbers illustrate: the pipe fitting comprises a Y-shaped pipe fitting 100, a connecting pipe 110, a connecting end 111, a sealing groove 112, a bulge 113, an attaching part 114, a straight pipe 120, a side pipe 130, a support 140, a luer cap 150, a sealing head 200, a sealing cover 210, a first sealing plate 211, a second sealing plate 212 and a sealing cylinder 213.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

According to an embodiment provided by the present invention, as shown in fig. 1 and fig. 2, a valve conveyor tailstock connecting mechanism is connected to the tail end of a valve intervention conveying device, and is used for threading a guide wire and evacuating before operation, the valve conveyor tailstock connecting mechanism includes a Y-shaped pipe 100 and a sealing head 200, wherein the Y-shaped pipe 100 includes a main pipe section and a side pipe 130 communicated with the main pipe section, and one end of the main pipe section is conductively connected to the tail end of the intervention conveying device; in specific implementation, the main pipe section includes a connecting pipe 110 and a straight pipe 120, the specific structure of the connecting pipe 110 is adjusted according to the structure of the tail portion of the valve delivery device, and in order to better illustrate the technical solution of the present invention, the present mitral valve delivery device is taken as an example in this embodiment for detailed description. Specifically, the connecting pipe 110 has a connecting end 111 and a butt end, the butt end of the connecting pipe 110 is in conduction connection with the straight pipe 120, the connecting pipe 110 can be integrally formed with the straight pipe 120 and the side pipe 130, the connecting pipe 110 is in conduction with the straight pipe 120 so that a guide wire can pass through, the side pipe 130 is connected with the side wall of the straight pipe 120 and is communicated with the straight pipe 120, one end of the side pipe 130, which is far away from the straight pipe 120, is connected with the luer cap 150, so that when the valve delivery device is used, the luer cap 150 is opened, physiological saline is introduced to evacuate the whole valve delivery device, and after evacuation is completed, the luer cap 150 is screwed up to realize sealing, so that the technical problem that evacuation is not thorough is; a sealing groove 112 is formed in one end, away from the straight pipe 120, of the connecting pipe 110, namely the connecting end 111 is provided with the sealing groove 112, a sealing ring is arranged in the sealing groove 112, a fitting part 114 is formed in one end, close to the straight pipe 120, of the connecting pipe 110, namely the fitting part 114 is formed in the butt joint end, the connecting pipe is used for being fitted on the side wall of the tail end of the interventional conveying device when the main pipe section is connected to the tail end of the interventional conveying device, and the sealing ring in the sealing groove 112 enables the tailstock mechanism to be well clamped in the shell of the interventional conveying device when the tailstock mechanism is installed on the shell; the connecting pipe 110 is provided with two protrusions 113 at a section between the sealing groove 112 and the straight pipe 120, in the implementation process, the two protrusions 113 are symmetrically provided, the two protrusions 113 are provided along the axial direction of the connecting pipe 110, and the two protrusions 113 are used for clamping the tailstock connecting mechanism in a handle shell of the interventional conveying device to play a limiting role. The tailstock connecting mechanism further comprises a support member 140, and two ends of the support member 140 are respectively connected to the side wall of the side tube 130 and the side wall of the straight tube 120 for supporting the side tube 130.

The sealing head 200 is connected to one end of the main pipe section far away from the intervention conveying device, an accommodating cavity is formed in the sealing head 200, and an inserting hole communicated with the accommodating cavity is formed in one end of the sealing head 200 far away from the Y-shaped pipe fitting 100; in particular implementation, the sealing head 200 comprises: one end of the sealing cylinder 213 is sleeved at one end of the straight pipe 120 far away from the connecting pipe 110, and the sealing cylinder 213 is communicated with the straight pipe 120; the sealing cover 210 is connected with one end of the sealing cylinder 213 far away from the straight tube 120, so that a containing cavity is formed in a space between the straight tube 120 and the sealing cover 210 in the sealing cylinder 213, and the formed containing cavity just can contain the first sealing plate 211 and the second sealing plate 212, in this embodiment, the sealing cylinder 213 can be integrally formed with the straight tube 120, or can be welded together by a welding process, meanwhile, the sealing cover 210 can be welded together by an ultrasonic welding process, or can be provided with an external thread on the sealing cover 210, and provided with an internal thread in the sealing cylinder 213, so that the sealing cover 210 and the sealing cylinder 213 can be connected together by an ultrasonic welding process, so that after welding, the first sealing plate 211 and the second sealing plate 212 can be better placed in the containing cavity and can be attached to the inner wall of the containing cavity, the sealing performance is better. It will be appreciated that the first and second seal plates 211, 212 may be of integrally formed construction for better assembly or use.

The sealing structure comprises a first sealing plate 211 and a second sealing plate 212, wherein the first sealing plate 211 and the second sealing plate 212 are matched with an accommodating cavity, the first sealing plate 211 and the second sealing plate 212 are same in size and shape, the first sealing plate 211 and the second sealing plate 212 are sequentially overlapped in the accommodating cavity along the direction from a main pipe section to a sealing head 200, a first through hole is formed in the second sealing plate 212, and a plurality of crossed notches matched with the first through hole are formed in the first sealing plate 211; wherein, when the guide wire passes through the first sealing plate 211 along the insertion hole and the first penetration hole, the space opened by the first sealing plate 211 along the cut forms a passing channel with the first penetration hole; when the seal wire is drawn away from the tailstock connecting mechanism, the part that first closing plate 211 was opened along the incision is closed along the incision again, in this embodiment, do not do the restraint to notched quantity and the shape of seting up, in this embodiment, the incision that only needs to set up is when the seal wire passes, the area of opening and first perforation phase-match to make the seal wire can be better pass first closing plate 211, after the seal wire is drawn away, can be fine realization closure again along notched part on first closing plate 211.

As shown in fig. 3 and 4, in another embodiment of the present invention, the intersection point of the plurality of cuts is on the same axis as the center of the first through hole, and when the guide wire passes along the intersection point, the partial area opened on the first sealing plate 211 matches with the first through hole. The intersection point and the center of the first perforation are on the same axis, which is more beneficial for the guide wire to pass through, and simultaneously is beneficial for the part of the first sealing plate 211 along the cut to be closed quickly when the guide wire is pulled out, in the specific implementation, the number of the notches is at least two, a certain included angle is formed between the notches, the number of the notches can be two, three or four, in the embodiment, the number of the cuts is three, and the three cuts are distributed in a ring shape at equal intervals, so that when the guide wire is threaded, the upper cut portion of the first sealing plate 211 is uniformly opened along the cut, all the portions are evenly stressed, the open part can again be closed along the incision when the guide wire is withdrawn, in this embodiment, equally spaced incisions make the areas of the parts equally large, and the elastic property of the first sealing plate 211 enables the parts to be closed together well after the guide wire is drawn out.

In another embodiment of the present invention (not shown), the tailstock connecting mechanism further includes a third sealing plate, the third sealing plate is disposed in the accommodating cavity, and the third sealing plate is provided with a second through hole matching with the plurality of cuts, and the first sealing plate 211 is sandwiched between the second sealing plate 212 and the third sealing plate, when the tailstock connecting mechanism is implemented, the first through hole and the second through hole have the same size, two sides of the first sealing plate 211 are respectively attached to the sidewalls of the second sealing plate 212 and the third sealing plate, and the third sealing plate in this embodiment can be added as required, and the first sealing plate 211, the second sealing plate 212 and the third sealing plate are made of elastic material, when the tailstock connecting mechanism is used specifically, medical silica gel can be selected, and the thicknesses of the first sealing plate 211, the second sealing plate 212 and the third sealing plate enable the first sealing plate 211, the second sealing plate 212 and the third sealing plate to pass freely, when the seal wire is pulled away, can resume closed under the effect of self elasticity again, do not restrict first closing plate 211 in this embodiment, second closing plate 212 and third closing plate are other materials, only need first closing plate 211, second closing plate 212 and third closing plate three have elastic property and accord with medical service conditions can, do not restrict first closing plate 211 simultaneously yet, second closing plate 212 and third closing plate three's specific thickness yet, only need three's thickness not to influence the seal wire and pass, do not influence also the incision closure on the first closing plate 211 can. In other embodiments, the first sealing plate 211, the second sealing plate 212, and the third sealing plate may be integrally formed structures, or any two thereof.

A valve transporter comprising a valve transporter tailstock attachment mechanism according to any one of the embodiments above, the valve transporter in this embodiment being usable as a mitral valve interventional delivery device.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (11)

1. A valve conveyor tailstock connecting mechanism is connected at the tail end of a valve intervention conveying device and is characterized by comprising:

the Y-shaped pipe fitting comprises a main pipe section and a side pipe communicated with the main pipe section, and one end of the main pipe section is communicated and connected with the tail end of the interventional conveying device;

the sealing head is connected to one end, far away from the intervention conveying device, of the main pipe section, an accommodating cavity is formed in the sealing head, and an inserting hole communicated with the accommodating cavity is formed in one end, far away from the Y-shaped pipe fitting, of the sealing head;

the first sealing plate and the second sealing plate are sequentially overlapped in the accommodating cavity along the direction from the main pipe section to the sealing head, the second sealing plate is provided with a first through hole, and the first sealing plate is provided with a plurality of cuts intersected with end points matched with the first through hole;

wherein, when a guide wire passes through the first sealing plate along the insertion hole and the first perforation, a space opened by the first sealing plate along the slit forms a passing channel with the first perforation;

when the guide wire is drawn out of the tailstock connecting mechanism, the first sealing plate is closed along the opened part of the notch.

2. The valve feeder tailstock connecting mechanism according to claim 1, wherein the intersection point of the plurality of cuts is on the same axis with the center of the first through hole.

3. The valve carrier tailstock connecting mechanism according to claim 1, further comprising a third sealing plate disposed in the accommodating cavity, wherein the third sealing plate is provided with a second through hole matching with the plurality of notches, and the first sealing plate is sandwiched between the second sealing plate and the third sealing plate.

4. The valve feeder tailstock connecting mechanism according to any one of claims 1 to 3, wherein the number of the notches is three, and the three notches are distributed annularly and equidistantly.

5. The valve feeder tailstock attachment mechanism according to claim 3, wherein the first, second and/or third seal plates are integrally formed.

6. The valve feeder tailstock connecting mechanism according to claim 5, wherein the first sealing plate, the second sealing plate and/or the third sealing plate are made of an elastic material.

7. The valve feeder tailstock connecting mechanism according to claim 4, wherein the main pipe section comprises a connecting pipe and a straight pipe, and the connecting pipe is in communication connection with the straight pipe.

8. The valve feeder tailstock attachment mechanism according to claim 7, wherein the sealing head comprises:

the sealing cylinder is connected with one end of the straight pipe, which is far away from the connecting pipe;

and the sealing cover is connected with one end, far away from the straight pipe, of the sealing cylinder, so that a containing cavity is formed in a space between the straight pipe and the sealing cover in the sealing cylinder.

9. The valve feeder tailstock connecting mechanism according to claim 7, further comprising a support member, wherein two ends of the support member are respectively connected to the side wall of the side tube and the side wall of the straight tube for supporting the side tube.

10. The valve feeder tailstock connecting mechanism according to claim 7, wherein a luer cap is connected to one end of the side tube, which is far away from the straight tube, so as to seal the side tube.

11. A valve delivery device comprising a valve delivery device tailstock attachment means as claimed in any one of claims 1 to 10.

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