CN221557320U - Compressible hemostasis valve structure - Google Patents

Abstract

The utility model provides a compressible hemostatic valve structure, which comprises a shell, a deformation piece, an extrusion piece and a knob, wherein a placing cavity is formed in the shell, the deformation piece and the extrusion piece are arranged in the placing cavity, a driving part which is arranged in a through groove is arranged on the extrusion piece, a through groove is formed in the placing cavity, the knob is sleeved on the periphery of the shell, an arc-shaped groove which is suitable for placing the driving part is formed in the inner side of the knob, the driving part is pushed to slide in the through groove on the shell by rotating the knob, the deformation piece is extruded by the extrusion piece, the deformation piece is extruded to elastically deform to expand to an inner through hole of the deformation piece, and then a flexible pipe which is arranged in the inner through hole of the deformation piece is extruded to enable the flexible pipe to be tightly attached to the periphery of an interventional instrument to realize sealing.

Description

Compressible hemostasis valve structure

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a compressible hemostatic valve structure.

Background

Hemostatic valves are commonly used in interventional vascular access surgical instruments, such as catheter sheaths that establish vascular access during aortic valve implantation, where a sheath is placed in a blood vessel under the guidance of a puncture needle and a guidewire, as a passageway for the aortic valve implantation surgical delivery instrument to access. Hemostatic valves are commonly used to prevent blood splatter or extravasation, and during aortic valve implantation, the need to implant instruments of different diameter sizes, such as guidewires, guide catheters, contrast catheters, balloons, and delivery devices for delivering the valve, places higher demands on the hemostatic seal of the hemostatic valve.

The existing hemostatic sealing structure is mainly composed of a silica gel hemostatic valve and a silica gel sheet, wherein a slotted hole or a cross slotted hole is formed in the silica gel hemostatic valve; the silica gel piece is provided with holes, hemostasis is provided by the silica gel hemostasis valve and the holes on the silica gel piece, the intervention instrument is of a tubular structure, when a slotted hole or a cross slotted hole of the silica gel hemostasis valve is formed, the silica gel hemostasis valve cannot be effectively coated, blood leakage is caused, meanwhile, in order to achieve good sealing, the holes of the silica gel piece are usually smaller, when the intervention instrument with a larger diameter section is passed through, the resistance is large, the operator experiences poor, and medical accidents are easily caused.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is that the hemostatic sealing structure in the prior art mostly adopts a silica gel hemostatic valve and a silica gel sheet, and a slotted hole or a cross slotted hole is formed on the silica gel hemostatic valve; the silica gel piece is provided with holes, hemostasis is provided by the silica gel hemostasis valve and the holes on the silica gel piece, the intervention instrument is of a tubular structure, when a slotted hole or a cross slotted hole of the silica gel hemostasis valve is formed, the silica gel hemostasis valve cannot be effectively coated, blood leakage is caused, meanwhile, in order to achieve good sealing, the holes of the silica gel piece are usually smaller, when the intervention instrument with a larger diameter section is passed through, the resistance is large, the operator experiences poor, and medical accidents are easily caused.

To this end, the present utility model provides a compressible hemostasis valve structure comprising:

the shell is internally provided with a placing cavity, and the placing cavity is provided with a through groove;

The deformation piece is arranged in the placing cavity;

The extrusion part is arranged in the placing cavity and is abutted against the deformation part, and through holes which are communicated with each other are formed in the extrusion part and the deformation part; the extrusion part is provided with a driving part which penetrates through the through groove;

The knob is sleeved on the periphery of the shell, and an arc-shaped groove suitable for placing the driving part is formed in the inner side of the knob;

the shell is internally suitable for being penetrated by an intervention instrument, and the intervention instrument is penetrated in the deformation piece and the extrusion part internal through hole;

the knob is configured to rotate relative to the housing, so that the driving part is driven to move in the through groove through the arc-shaped groove, the extrusion part is driven to extrude the deformation piece, and the deformation piece deforms towards the direction of the inner through hole so as to be clung to the periphery of the interventional instrument.

Optionally, the housing comprises:

the upper shell is provided with a clamping groove or a clamping block, and a first through groove communicated with the inner cavity of the upper shell is formed in the upper shell;

The lower shell is provided with a clamping block suitable for being matched with the clamping groove on the upper shell or a clamping groove suitable for being matched with the clamping block on the upper shell, and the lower shell is provided with a second through groove communicated with the inner cavity of the lower shell;

The upper shell and the lower shell are clamped through the clamping groove and the clamping block, and the first through groove and the second through groove are aligned to form the through groove.

Optionally, the through groove is formed along the axial direction of the shell.

Optionally, the arc-shaped groove is spirally formed from one end of the knob to the other end of the knob.

Optionally, the knob includes:

The inner side of the upper knob is provided with a first arc-shaped groove, and the upper knob is provided with a positioning pin;

The inner side of the lower knob is provided with a second arc-shaped groove, and the lower knob is provided with a positioning groove;

The upper knob and the lower knob are connected in a matched mode through the locating pin and the locating groove, and the first arc-shaped groove is communicated with the second arc-shaped groove to form the arc-shaped groove.

Optionally, the upper knob and the lower knob are semi-annular, and the upper knob and the lower knob are sleeved on the circumference of the shell in an annular shape after being matched and connected by the positioning pin and the positioning groove.

Optionally, flexible tubes are disposed in the deformation member and the through holes in the extrusion member, so as to reduce friction force when the interventional instrument is worn.

Optionally, the compressible hemostasis valve structure further comprises:

The upper adapter is connected with one end of the shell, and a cavity communicated with the internal placing cavity of the shell is formed in the upper adapter;

The lower adapter is connected with the other end of the shell, and a cavity communicated with the internal placing cavity of the shell is formed in the lower adapter; the two ends of the flexible pipe are provided with flanges, one end, close to the upper adapter, of the flexible pipe is flanged and arranged in the upper adapter cavity, and one end, close to the lower adapter, of the flexible pipe is flanged and arranged in the lower adapter cavity;

The gland is connected with the upper adapter to fix the flanging of the flexible pipe in the cavity of the upper adapter;

and the flushing pipe seat is connected with the lower adapter so as to fix the flanging of the flexible pipe in the cavity of the lower adapter.

Optionally, the compressible hemostasis valve structure further comprises:

a sheath tube holder connected with the irrigation tube holder;

and the sheath tube is connected with the sheath tube seat and is communicated with the flexible tube.

Optionally, the compressible hemostatic valve structure further comprises a flushing tube, one end of the flushing tube is connected with the flushing tube seat and is communicated with the sheath tube, and the other end of the flushing tube is connected with the three-way valve.

The compressible hemostatic valve structure provided by the utility model has the following advantages:

1. The utility model provides a compressible hemostatic valve structure, which comprises a shell, a deformation piece, an extrusion piece and a knob, wherein a placing cavity is arranged in the shell, and a through groove is formed in the placing cavity; the deformation piece is arranged in the placing cavity, the extrusion piece is arranged in the placing cavity and is in butt joint with the deformation piece, and through holes which are communicated with each other are formed in the extrusion piece and the deformation piece; the extrusion part is provided with a driving part which penetrates through the through groove; the knob is sleeved on the periphery of the shell, and an arc-shaped groove suitable for placing the driving part is formed in the inner side of the knob; the shell is internally suitable for being penetrated by an intervention instrument, and the intervention instrument is penetrated in the deformation piece and the extrusion part internal through hole; the knob is configured to rotate relative to the housing, so that the driving part is driven to move in the through groove through the arc-shaped groove, the extrusion part is driven to extrude the deformation piece, and the deformation piece deforms towards the direction of the inner through hole so as to be clung to the periphery of the interventional instrument.

The compressible hemostasis valve structure of this structure, during the use, through rotating the knob, can pass through the contact position that changes arcuation groove and drive division to promote the drive division and slide in the logical groove on the casing, and then realize compressing deformation spare through the extrusion, deformation spare receives the extrusion and takes place elastic deformation and to expand to its inside through-hole, and then extrudees the intervention apparatus week side of locating in the inside through-hole of deformation spare, realizes sealedly.

2. The present utility model provides a compressible hemostasis valve structure, the housing comprising: the upper shell is provided with a clamping groove or a clamping block, and a first through groove communicated with the inner cavity of the upper shell is formed in the upper shell; the lower shell is provided with a clamping block suitable for being matched with the clamping groove on the upper shell or a clamping groove suitable for being matched with the clamping block on the upper shell, and the lower shell is provided with a second through groove communicated with the inner cavity of the lower shell; the upper shell and the lower shell are clamped through the clamping groove and the clamping block, and the first through groove and the second through groove are aligned to form the through groove.

The compressible hemostatic valve structure of this structure sets up the casing and is mosaic structure, and its purpose is the installation of convenient extruded piece.

3. The utility model provides a compressible hemostatic valve structure, wherein an upper knob and a lower knob are semi-annular, and are sleeved on the periphery of a shell in an annular shape after being matched and connected through a positioning pin and a positioning groove.

4. The utility model provides a compressible hemostatic valve structure, wherein flexible pipes are arranged in through holes in a deformation piece and an extrusion piece so as to reduce friction force when an interventional instrument is worn.

The compressible hemostasis valve structure of this structure, during the use, through rotating the knob, can pass through the contact position that changes arcuation groove and drive division, with promote the drive division and slide in the logical groove on the casing, and then realize through extrusion deformation spare, deformation spare receives extrusion and takes place elastic deformation and to its inside through-hole inflation, and then the flexible pipe in the inside through-hole of deformation spare is located in the extrusion, so that flexible pipe pastes tight intervention apparatus week side, realize sealedly, when the intervention apparatus of different diameter cross-section passes through, deformation spare is extruded by the extrusion piece, the cladding forms good sealedly around the apparatus, simultaneously owing to adopted the flexible pipe inside lining, the flexible pipe adopts PTFE hose or PU hose, frictional resistance has been reduced, the apparatus business turn over has good trafficability, the resistance is little, the operator experiences well.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a compressible hemostatic valve structure provided in an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the internal structure of a compressible hemostasis valve structure provided in an embodiment of the utility model;

FIG. 3 is a schematic structural view of a housing in a compressible hemostatic valve structure provided in an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of an extrusion in a compressible hemostatic valve structure provided in an embodiment of the present utility model;

FIG. 5 is a schematic view of the upper knob in a compressible hemostatic valve structure provided in an embodiment of the present utility model;

FIG. 6 is a schematic view of the structure of the lower knob in the compressible hemostatic valve structure provided in an embodiment of the present utility model;

Reference numerals illustrate:

1-a housing; 11-an upper housing; 12-a lower housing; 13-through grooves;

2-deformation member;

3-extrusion; 31-a driving part;

4-a knob; 41-upper knob; 42-a lower knob; 43-a first arcuate slot; 44-a second arcuate slot;

5-flexible tubing;

6-upper adapter;

7-a lower adapter;

8-pressing cover;

9-a flushing pipe seat;

10-sheath holder;

101-sheath;

102-flushing the tube;

103-three-way valve.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The embodiment provides a compressible hemostatic valve structure, which is used for solving the problem that a hemostatic sealing structure in the prior art adopts a silica gel hemostatic valve and a silica gel sheet, wherein a slotted hole or a cross slotted hole is formed in the silica gel hemostatic valve; the silica gel piece is provided with holes, hemostasis is provided by the silica gel hemostasis valve and the holes on the silica gel piece, the intervention instrument is of a tubular structure, when a slotted hole or a cross slotted hole of the silica gel hemostasis valve is formed in a straight line, the intervention instrument cannot be effectively coated, blood leakage is caused, meanwhile, in order to achieve good sealing, the holes of the silica gel piece are usually smaller, when the intervention instrument with a larger diameter section is used, the resistance is large, and the problem that an operator experiences difference is solved.

As shown in fig. 1 to 6, the compressible hemostatic valve structure includes a housing 1, a deforming member 2, an extrusion 3, a knob 4, a flexible tube 5, an upper adapter 6, a lower adapter 7, a gland 8, a flush tube holder 9, a sheath tube holder 10, a sheath tube 101, a flush tube 102, and a three-way valve 103.

In this embodiment, as shown in fig. 3, the housing 1 includes an upper housing 11 and a lower housing 12, a clamping groove is formed on the upper housing 11, and a first through groove 13 communicating with an inner cavity of the upper housing 11 is formed on the upper housing 11; the lower shell 12 is provided with a clamping block which is suitable for being matched with the clamping groove on the upper shell 11, and the lower shell 12 is provided with a second through groove 13 which is communicated with the inner cavity of the lower shell. The upper shell 11 and the lower shell 12 are annular, when the upper shell is installed, clamping blocks on the upper side of the lower shell 12 are inserted into clamping grooves on the lower side of the upper shell 11, so that the upper shell 11 and the lower shell 12 are positioned, the first through groove 13 on the upper shell 11 and the second through groove 13 on the lower shell 12 are aligned and communicated after the upper shell 11 and the lower shell 12 are positioned to form a through groove 13 on the shell 1, and the upper shell 11 and the lower shell 12 can be fixed in an adhesive mode. In other embodiments, a latch may be provided on the upper case 11, and a slot may be provided on the lower case 12.

In this embodiment, a housing 1 composed of an upper housing 11 and a lower housing 12 is provided with a placement cavity having both ends open in the axial direction inside, a through groove 13 is formed on the side wall of the placement cavity, and the groove is opened in the axial direction of the housing 1.

In this embodiment, as shown in fig. 1, the deformation member 2 and the extrusion member 3 are both disposed in the placement cavity of the housing 1, and the extrusion member 3 abuts against the deformation member 2, where the deformation member 2 is disposed at the inlet end position of the placement cavity. The extrusion 3 is provided with a driving part 31 disposed in the through slot 13, as shown in fig. 4, the driving part 31 is a columnar protrusion formed on the surface of the extrusion 3, and when the extrusion 3 is located inside the housing 1, the driving part 31 is slidably disposed in the through slot 13 of the housing 1, where it can be understood that the housing 1 is disposed in a splicing structure, and the purpose of the invention is to facilitate the installation of the extrusion 3.

In this embodiment, be equipped with the through-hole of intercommunication each other in extrusion 3 and the deformation piece 2, deformation piece 2 adopts the silica gel circle, so when extrusion 3 extrudees deformation piece 2, deformation piece 2 can extrude deformation to the through-hole in, after losing extrusion 3 extrusion, can recover.

In the present embodiment, the knob 4 is sleeved on the circumference of the housing 1, and an arc-shaped groove adapted to accommodate the driving portion 31 is provided inside the knob 4. As shown in fig. 5 and 6, the knob 4 includes an upper knob 41 and a lower knob 42, a first arc-shaped groove 43 is formed on the inner side of the upper knob 41, a positioning pin is arranged on the upper knob 41, a second arc-shaped groove 44 is formed on the inner side of the lower knob 42, and a positioning groove is formed on the lower knob 42; when the rotary knob is installed, the upper knob 41 and the lower knob 42 are connected in a matched manner through a locating pin and a locating groove, and the first arc-shaped groove 43 is communicated with the second arc-shaped groove 44 to form an arc-shaped groove. In this embodiment, the arc-shaped groove is spirally formed from one end of the knob 4 to the other end thereof.

Because the driving part 31 is arranged in the arc-shaped groove at the inner side of the knob 4, when the knob 4 rotates, the contact part of the arc-shaped groove and the driving part 31 can be changed to push the driving part 31 to slide in the through groove 13 on the shell 1, so that the purpose of extruding or loosening the deformation piece 2 through the extrusion piece 3 is realized.

In this embodiment, the upper knob 41 and the lower knob 42 are semi-annular, and the upper knob 41 and the lower knob 42 are sleeved on the circumference of the casing 1 in an annular shape after being matched and connected by a positioning pin and a positioning groove, so that the knob 4 can be conveniently installed on the circumference of the casing 1.

In this embodiment, the deformation member 2 and the extrusion member 3 are provided with flexible tubes 5 in the inner through holes to reduce friction force when the interventional instrument is worn, and the flexible tubes 5 are preferably PTFE hoses or PU hoses.

In this embodiment, as shown in fig. 1 and 2, the upper adapter 6 is connected with the upper end of the housing 1 through threads, and a cavity communicating with the internal placement cavity of the housing 1 is formed in the upper adapter 6; the lower adapter 7 is also connected with the lower end of the shell 1 through threads, and a cavity communicated with the internal placing cavity of the shell 1 is arranged on the lower adapter 7; in this embodiment, the two ends of the flexible tube 5 are turned over, one end of the flexible tube 5, which is close to the upper adapter 6, is turned over and arranged in the cavity of the upper adapter 6, and the other end of the flexible tube 5, which is close to the lower adapter 7, is turned over and arranged in the cavity of the lower adapter 7. Further, the gland 8 is connected with the upper adapter 6 through threads so as to fix the flanging of the flexible pipe 5 in the cavity of the upper adapter 6, and the flushing pipe seat 9 is also connected with the lower adapter 7 through threads so as to fix the flanging of the flexible pipe 5 in the cavity of the lower adapter 7, thereby realizing the complete fixation of the flexible pipe 5.

In this embodiment, the sheath holder 10 is screwed with the irrigation tube holder 9, the sheath tube 101 is fixed inside the sheath holder 10, the sheath tube 101 is communicated with the flexible tube 5, one end of the irrigation tube 102 is connected with the irrigation tube holder 9 and communicated with the sheath tube 101, and the other end of the irrigation tube 102 is connected with the three-way valve 103.

The compressible hemostasis valve structure provided by the embodiment is suitable for penetrating the intervention instrument in the shell 1, and the intervention instrument is penetrated in the through holes in the deformation piece 2 and the extrusion piece 3. During the use, through rotating knob 4, can pass through the contact position that changes arcuation groove and drive portion 31, with the drive portion 31 slip in logical groove 13 on casing 1 of promotion, and then realize through extrusion 3 extrusion deformation spare 2, deformation spare 2 receives the extrusion and takes place elastic deformation and to its inside through-hole inflation, and then flexible pipe 5 in the inside through-hole of deformation spare 2 is located in the extrusion, so that flexible pipe 5 paste tight intervention apparatus week side, realize sealedly, when the intervention apparatus of different diameter cross-section passes through, deformation spare 2 is extruded by extrusion 3, the cladding forms good sealedly around the apparatus, simultaneously owing to adopted flexible pipe 5 inside lining, flexible pipe 5 adopts PTFE hose or PU hose, the frictional resistance has been reduced, the apparatus business turn over has good trafficability, the resistance is little, the operator experiences well.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A structure of a compressible hemostatic valve, characterized by comprising the following steps:

a housing (1) is provided with a placing cavity, and a through groove (13) is arranged on the placing cavity;

the deformation piece (2) is arranged in the placing cavity;

the extrusion part (3) is arranged in the placing cavity and is abutted against the deformation part (2), and through holes which are communicated with each other are formed in the extrusion part (3) and the deformation part (2); the extrusion part (3) is provided with a driving part (31) which penetrates through the through groove (13);

A knob (4) sleeved on the periphery of the shell (1), wherein an arc-shaped groove suitable for placing the driving part (31) is formed in the inner side of the knob (4);

The shell (1) is internally suitable for being penetrated by an intervention instrument, and the intervention instrument is penetrated in the deformation piece (2) and the inner through hole of the extrusion piece (3);

The knob (4) is configured to rotate relative to the shell (1) so as to drive the driving part (31) to move in the through groove (13) through the arc-shaped groove, so as to drive the extrusion part (3) to extrude the deformation part (2), and the deformation part (2) deforms towards the direction of the inner through hole to be clung to the periphery of the interventional instrument.

2. The compressible hemostasis valve structure according to claim 1, characterized in that the housing (1) comprises:

The upper shell (11) is provided with a clamping groove or a clamping block, and the upper shell (11) is provided with a first through groove (13) communicated with the inner cavity of the upper shell;

The lower shell (12) is provided with a clamping block suitable for being matched with the clamping groove on the upper shell (11) or a clamping groove suitable for being matched with the clamping block on the upper shell (11), and the lower shell (12) is provided with a second through groove (13) communicated with the inner cavity of the lower shell;

The upper shell (11) and the lower shell (12) are clamped through the clamping grooves and the clamping blocks, and the first through grooves (13) are aligned with the second through grooves (13) to form the through grooves (13).

3. A compressible hemostasis valve structure according to claim 2, characterized in that the through groove (13) is open in the axial direction of the housing (1).

4. The compressible hemostasis valve structure according to claim 1, characterized in that the arc-shaped groove is spirally formed from one end of the knob (4) to the other end thereof.

5. The compressible hemostasis valve structure according to claim 4, characterized in that the knob (4) comprises:

An upper knob (41), the inner side of which is provided with a first arc-shaped groove (43), and the upper knob (41) is provided with a positioning pin;

a lower knob (42) with a second arc-shaped groove (44) on the inner side, and a positioning groove on the lower knob (42);

The upper knob (41) and the lower knob (42) are connected in a matched mode through the positioning pin and the positioning groove, and the first arc-shaped groove (43) is communicated with the second arc-shaped groove (44) to form the arc-shaped groove.

6. The compressible hemostasis valve structure according to claim 5, characterized in that the upper knob (41) and the lower knob (42) are semi-annular, and the upper knob (41) and the lower knob (42) are sleeved on the periphery of the shell (1) in an annular shape after being matched and connected through the positioning pin and the positioning groove.

7. A compressible hemostasis valve structure according to any one of claims 1-6, characterized in that a flexible tube (5) is arranged in the deformation member (2) and the inner through hole of the extrusion member (3) to reduce friction force when the interventional instrument is worn.

8. The compressible hemostasis valve structure of claim 7, further comprising:

An upper adapter (6) connected with one end of the shell (1), wherein a cavity communicated with the internal placing cavity of the shell (1) is arranged in the upper adapter (6);

The lower adapter (7) is connected with the other end of the shell (1), and a cavity communicated with the cavity in the shell (1) is arranged in the lower adapter (7); the two ends of the flexible pipe (5) are in flanging arrangement, one end of the flexible pipe (5) close to the upper adapter (6) is flanged and arranged in the cavity of the upper adapter (6), and one end of the flexible pipe (5) close to the lower adapter (7) is flanged and arranged in the cavity of the lower adapter (7);

The gland (8) is connected with the upper adapter (6) to fix the flanging of the flexible pipe (5) in the cavity of the upper adapter (6);

And the flushing pipe seat (9) is connected with the lower adapter (7) so as to fix the flanging of the flexible pipe (5) in the cavity of the lower adapter (7).

9. The compressible hemostasis valve structure of claim 8, further comprising:

a sheath hub (10) connected to the irrigation tube hub (9);

a sheath tube (101) connected to the sheath tube holder (10), and the sheath tube (101) is in communication with the flexible tube (5).

10. The compressible hemostatic valve structure according to claim 9, further comprising a flush tube (102) having one end connected to the flush tube seat (9) and communicating with the sheath tube (101), the flush tube (102) having the other end connected to a three-way valve (103).