阅读说明：本技术 一种连接阀 (kinds of connecting valve ) 是由 王良成 陈炜铉 于 2018-07-19 设计创作，主要内容包括：本发明适用于医疗器械技术领域,提供了一种连接阀,该连接阀包括设有第一中通孔的阀体和封盖所述第一中通孔端部的第一弹性垫,所述第一弹性垫端面划有切口,该连接阀还包括设有第二中通孔的按压杆,所述按压杆一端抵接所述第一弹性垫的切口；用于调节所述第一弹性垫切口开启或封闭状态的档位单元,所述档位单元包括开启档和封闭档；用于将所述按压杆固定在所述开启档或封闭档的按压旋转固定机构；所述按压杆固定在所述开启档时,所述第一中通孔和所述第二中通孔相通,所述按压杆固定在所述封闭档时,所述第一中通孔和所述第二中通孔断开。本发明提高了连接阀的稳定性和操作方便性。(The invention is suitable for the technical field of medical instruments, and provides connection valves, which comprise a valve body provided with a middle through hole, a elastic cushion for sealing the end part of the middle through hole, a pressing rod provided with a second middle through hole, a gear unit for adjusting the opening or closing state of the elastic cushion cut, wherein the end surface of the elastic cushion is provided with a cut, the pressing rod is provided with a second middle through hole, the end of the pressing rod is abutted against the cut of the elastic cushion, the gear unit comprises an opening gear and a closing gear, a pressing and rotating fixing mechanism for fixing the pressing rod on the opening gear or the closing gear, when the pressing rod is fixed on the opening gear, the through hole in the is communicated with the second middle through hole, and when the pressing rod is fixed on the closing gear, the middle through hole is disconnected with the second middle through hole.)

A connecting valve of kind, including the valve body that is equipped with through-hole in the st and the st cushion that covers the through-hole end in the st, the th cushion terminal surface is drawn and is carved with the incision, its characterized in that, the connecting valve still includes:

the pressing rod is provided with a second middle through hole, and the end of the pressing rod abuts against the notch of the elastic pad;

a gear unit for adjusting the opening or closing state of the elastic pad notch, wherein the gear unit comprises an opening gear and a closing gear;

the pressing rotary fixing mechanism is used for fixing the pressing rod on the opening gear or the closing gear;

when the pressing rod is fixed on the opening gear, the th middle through hole is communicated with the second middle through hole, and when the pressing rod is fixed on the closing gear, the th middle through hole is disconnected with the second middle through hole.

2. The connector valve of claim 1, further comprising:

the sleeve is provided with openings at two ends, the middle part of the inner wall of the sleeve protrudes towards the end to form a plurality of opening long grooves and opening short grooves which are uniformly distributed along the circumferential direction, the opening long grooves and the opening short grooves are alternately distributed, the end close to the end of the sleeve protrudes to form a closed end, the closed ends of the opening long grooves form a closed stop, and the closed ends of the opening short grooves form an open stop.

3. The connecting valve of claim 2,

the pressing rod is fixedly provided with a pressing cover coaxial with the pressing rod far away from the th elastic pad end, and the outer side of the pressing cover is provided with a sliding block which is placed in the open long groove and can slide along the open long groove.

4. The connecting valve of claim 3,

the pressing rotary fixing mechanism comprises an inner tooth core, a spring, th guide teeth and second guide teeth, wherein the inner tooth core and the spring are sequentially sleeved outside the pressing rod, the th guide teeth are arranged at the open ends of the long open groove and the short open groove, the second guide teeth are arranged at the end part of the pressing cover, a limiting block is arranged on the side edge of the inner tooth core, third guide teeth meshed with the th guide teeth and the second guide teeth are arranged on the end face of the limiting block, and when the limiting block is arranged in the long open groove or the short open groove, the front ends of the third guide teeth are meshed with the front ends of the second guide teeth.

5. The connecting valve of claim 4,

the inner tooth core is provided with a connecting portion towards the pressing cover side, the pressing cover is sleeved outside the connecting portion, and a th snap spring used for connecting the inner tooth core and the pressing cover is arranged between the pressing cover and the connecting portion.

6. The connecting valve of claim 3,

the end part of the pressing cover is exposed out of the sleeve and is provided with a pressing cover.

7. The connecting valve of claim 1,

connecting valve still includes end opening and inside hollow fixed cover, fixed cover with open end relative terminal surface on open have with the communicating round hole of well cavity of fixed cover, valve body end is followed fixed cover open end stretches into the cavity intracavity of fixed cover, the cushion is fixed to be set up the cavity intracavity of fixed cover, press the depression bar to pass the round hole butt the incision of cushion.

8. The connecting valve of claim 7,

the valve body stretches into end tip in the cavity of fixed cover is provided with the second cushion that the through-hole was seted up in the middle part, the valve body stretches into end outside in the cavity of fixed cover is provided with the external screw thread, be provided with on the fixed cover inside wall with the internal thread that the external screw thread was closed soon.

9. The connecting valve of claim 7,

the valve body stretches into end outside in the cavity intracavity of fixed cover is provided with the evagination ring, the valve body leans on evagination ring department cover to be equipped with and is used for connecting the second jump ring of valve body and fixed cover.

10. The connecting valve of claim 1,

the valve body becomes the Y type, including being equipped with well through-hole be responsible for with be equipped with the side pipe of through-hole in the third, the side pipe becomes the contained angle and locates be responsible for last, through-hole and through-hole are linked together in and the third.

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to connecting valves.

Background

The Y-shaped connecting valve is a common medical device in interventional therapy of cardiac interventional operation and the like, and is usually arranged at the near end of a catheter in the interventional therapy process to inhibit blood vessel bleeding so as to reduce the amount of the blood vessel bleeding and further reduce the occurrence probability of complications of patients.

At present, there are two types of conventional Y-type connection valves, types of Y-type connection valves are generally screw-type Y-type valves, wherein controls the tight bonding degree between a silicone ring inside the Y-type connection valve and a catheter by screwing a knob, so as to achieve a closed or opened working state of the Y-type connection valve, the Y-type connection valve can well fix the catheter, but leakage is likely to occur during the process of fixing and locking blood, and a doctor needs to manually adjust the pressing type Y-type connection valve by experience during operation, and types of Y-type connection valves are press-type Y-type valves, wherein controls the pipe diameter of an internal channel by operating a pressing cap, so as to achieve a closed or opened working state of the Y-type connection valve, which can well achieve a blood locking effect, but the Y-type connection valve is prone to be displaced by mistake during operation, so that the catheter cannot be fixed, and the operation also needs to be manually adjusted by experience during.

Disclosure of Invention

The connecting valve provided by the embodiment of the invention aims to solve the problems of poor stability and inconvenient operation of the conventional Y-shaped connecting valve.

The embodiment of the invention is realized by that kinds of connecting valves comprise a valve body provided with a through hole in the th position and a th elastic cushion for covering the end part of the through hole in the th position, the end surface of the th elastic cushion is provided with a notch, and the connecting valve also comprises:

the pressing rod is provided with a second middle through hole, and the end of the pressing rod abuts against the notch of the elastic pad;

a gear unit for adjusting the opening or closing state of the elastic pad notch, wherein the gear unit comprises an opening gear and a closing gear;

the pressing rotary fixing mechanism is used for fixing the pressing rod on the opening gear or the closing gear;

when the pressing rod is fixed on the opening gear, the th middle through hole is communicated with the second middle through hole, and when the pressing rod is fixed on the closing gear, the th middle through hole is disconnected with the second middle through hole.

Further , the connection valve further comprises:

the sleeve is provided with openings at two ends, the middle part of the inner wall of the sleeve protrudes towards the end to form a plurality of opening long grooves and opening short grooves which are uniformly distributed along the circumferential direction, the opening long grooves and the opening short grooves are alternately distributed, the end close to the end of the sleeve protrudes to form a closed end, the closed ends of the opening long grooves form a closed stop, and the closed ends of the opening short grooves form an open stop.

, a pressing cover coaxial with the pressing rod is fixedly arranged at the position of the pressing rod far away from the elastic pad , and a sliding block is arranged outside the pressing cover and placed in the open long groove and can slide along the open long groove.

Further , the pressing rotary fixing mechanism comprises an inner tooth core and a spring which are sequentially sleeved outside the pressing rod, a guide tooth arranged at the opening ends of the long opening groove and the short opening groove, and a second guide tooth arranged at the end part of the pressing cover, a limit block is arranged on the side edge of the inner tooth core, a third guide tooth meshed with the guide tooth and the second guide tooth is arranged on the end face of the limit block, and when the limit block is arranged in the long opening groove or the short opening groove, the front end of the third guide tooth is meshed with the front end of the second guide tooth.

Further , a connecting portion is disposed on the inner tooth core toward the pressing cover , the pressing cover is sleeved outside the connecting portion, and a th snap spring for connecting the inner tooth core and the pressing cover is disposed between the pressing cover and the connecting portion.

Further , the end of the pressing cover is exposed out of the sleeve and is provided with a pressing cover.

Further step, the connecting valve still includes end opening and inside hollow fixed cover, fixed cover with open end relative terminal surface on open have with the communicating round hole of the well cavity of fixed cover, valve body end is followed fixed cover open end stretches into the cavity of fixed cover is intracavity, cushion is fixed to be set up in the cavity of fixed cover, press the depression bar to pass the round hole butt the incision of cushion.

, a second elastic pad with a through hole in the middle is arranged at the end part of the end of the valve body extending into the hollow cavity of the fixed sleeve, an external thread is arranged at the outer side of the end of the valve body extending into the hollow cavity of the fixed sleeve, and an internal thread screwed with the external thread is arranged on the inner side wall of the fixed sleeve.

Further , an outer convex ring is arranged at the outer side of the end of the valve body extending into the hollow cavity of the fixed sleeve, and a second snap spring used for connecting the valve body and the fixed sleeve is sleeved at the position, close to the outer convex ring, of the valve body.

, the valve body is Y-shaped and comprises a main pipe with a middle through hole and a bypass pipe with a third middle through hole, the bypass pipe is arranged on the main pipe at an included angle, and the middle through hole is communicated with the third middle through hole.

The connecting valve provided by the embodiment of the invention is provided with a pressing rod which is abutted against the cut of the elastic pad and is provided with a second middle through hole, a gear unit which is used for adjusting the opening or closing state of the cut of the elastic pad and is provided with an opening gear and a closing gear, and a pressing and rotating fixing mechanism which is used for fixing the pressing rod at the opening gear or the closing gear of the gear unit is also provided, when the pressing rod is fixed at the opening gear by pressing and rotating the fixing mechanism, the cut of the elastic pad is opened, the through hole in the of the valve body is communicated with the second middle through hole of the pressing rod, when hemostasis is not needed, the doctor only needs to operate the pressing and rotating fixing mechanism to fix the pressing rod at the opening gear of the gear unit, the cut of the elastic pad is opened, the through hole in the is communicated with the second middle through hole, the pressing and rotating fixing mechanism to fix the pressing rod at the opening gear unit, so that the cut of the elastic pad is opened, the through hole in the second middle through hole is communicated with the through hole of the pressing and rotating fixing mechanism, the pressing and the second middle through hole of the gear unit is not needed, the hemostasis can be adjusted by pressing and the hemostatic unit, the through hole can be adjusted by pressing and the through hole of the hemostatic unit, the hemostatic unit can be adjusted by pressing and the hemostatic unit, the hemostatic unit can be adjusted by pressing.

Drawings

FIG. 1 is a cross-sectional view of junction valves provided by an embodiment of the present invention;

FIG. 2 is a perspective view of the connector valve of FIG. 1;

FIG. 3 is an exploded view of the connecting valve of FIG. 1;

FIG. 4 is a schematic view of the sleeve of the junction valve of FIG. 1;

fig. 5 is a schematic view showing a structure in which second guide teeth of the pressing cap and third guide teeth of the inner tooth core are engaged in the coupling valve of fig. 1.

Detailed Description

For purposes of making the objects, aspects and advantages of the present invention more apparent, the present invention will be described in detail below with reference to the accompanying drawings and examples.

According to the embodiment of the invention, the pressing rod with the second middle through hole, the gear unit for adjusting the opening or closing of the th elastic cushion cut and the pressing rotary fixing mechanism for fixing the pressing rod on the opening or closing of the gear unit are arranged, so that a doctor only needs to operate the pressing rotary fixing mechanism to fix the pressing rod on the opening or closing of the gear unit, the cut of the th elastic cushion is opened or closed, the th middle through hole is communicated or disconnected with the second middle through hole, the connecting valve can be used, blood seepage can not occur during hemostasis, a catheter can not move, the doctor does not need to adjust the connecting valve in the whole process, and the stability and the operation convenience of the connecting valve are improved.