TWI626963B - Medical catheter control valve - Google Patents

Abstract

The invention relates to a medical catheter control valve, which mainly comprises a body and a pointing device, the body has a fluid passage, and the click device is disposed in the tube hole of the body and the fluid passage, the click device comprises a push rod The unit and an elastic component are provided with a through hole on the push rod unit. When the push rod unit is pressed to push the push rod unit out of the first positioning position in the hole of the main body by the elastic member, the through hole of the push rod unit is located at exactly The body fluid passage passes through the fluid, and when the pusher unit is pushed into the second positioning position in the body tube hole, the conductive passage of the push rod unit and the fluid passage of the body are staggered to make the fluid It is blocked and stops flowing, thus achieving the purpose of rapid control of the medical device fluid conduit which can be operated with one hand and is easy to operate.

Description

Medical catheter control valve

The invention relates to a medical catheter control valve, in particular to a control valve implemented on a fluid conduit of a medical device, such as a blood vessel or a liquid medicine injection tube, and a control valve design capable of controlling fluid circulation or stopping with one hand.

According to the regulations, such as blood transfusion and injection, commonly used in medical institutions, in order to enable blood or injection to be delivered to the patient or to be collected from the patient's body, a control device is provided on the tube, especially in the operating room. In order to facilitate the operation during surgery, it is necessary to have a control valve that can be operated with one hand and is easy to operate.

The conventional design, as shown in the ninth and tenth figures, is mainly provided with a hose (72) in the passage (71) of the control valve (7), and is provided on the control valve (7). There is a pressing column (82) controlled by the pushing member (8), and a slope (81) is arranged under the pushing member (8). When the pushing member (8) is pushed, the lower inclined surface (81) is pressed under the pressing column (82). Pushing into the control valve (7), the inner hose (72) is pressed and deformed to form a seal, thereby blocking the passage of the fluid.

However, the conventional design has a hose (72) which is provided in the inner hole of the control valve (7). When it is squeezed, the hose (72) is squeezed and deformed, but expands to both sides, but is controlled The inner space of the valve (7) is limited, and the left and right expansion space of the hose (72) is restricted, so that the hose cannot be completely squeezed and closed, and a gap (A) is generated, and the fluid cannot be completely prevented from passing through. And thus affect the surgical treatment.

<Technical Problems to be Solved> The present inventors have in view of the practical difficulties of the above-mentioned conventional blood transfusion and injection tube control valves and the lack of improvement, and hope to provide a breakthrough design to enhance practical effects, and to concentrate on thinking. The design system is a collection of professional technical knowledge and practical experience and research results of related product design and production. The medical catheter control valve of the present invention is finally developed to provide users.

<Technical means for solving the problem> The present invention relates to a medical catheter control valve which is mainly provided with a click device on a control valve of a medical device fluid conduit, and a control valve design capable of controlling fluid circulation or stopping with one hand. The click device is disposed in the tube hole intersecting the fluid passage, the click device includes a push rod unit and an elastic member, and the push rod unit is provided with a through hole. When the push rod unit is pressed, the push rod unit is pressed When the elastic component is pushed out of the first positioning position in the hole of the main body, the conduction hole of the pusher unit is located on the fluid passage of the body, so that the fluid passes normally, and when the pusher unit is pushed into the second hole of the main body, When the position is located, the conductive passage of the push rod unit and the fluid passage of the body are staggered, so that the fluid is blocked and stops flowing, thereby achieving the purpose of rapid control of the medical device fluid conduit which can be operated with one hand and is easy to operate.

<Comparative to the efficacy of the prior art> The main object of the present invention is to provide a click device on the control valve of the medical device fluid conduit, thereby achieving the purpose of rapid control of the medical device fluid conduit which can be operated with one hand and is easy to operate.

The second object of the present invention is mainly to provide a click device on the control valve of the medical device fluid conduit, which can achieve the purpose of controlling the closure and opening of the medical device fluid, in addition to being able to achieve one-handed operation.

In order to enable the reviewing committee to better understand the structural features and the efficacy of the present invention, the drawings will be described in detail and will be described in detail later.

Please refer to the first figure and the second figure, which is mainly provided with a click device (2) on the control valve of the medical device fluid conduit, which mainly comprises a body (1) and a click device (2), The body (1) has a fluid passage (11), and the click device (2) is disposed in the tube hole (12) where the body (1) intersects the fluid passage (11), and the click device (2) includes a pusher unit And a resilient member (3), a through hole (231) is arranged on the push rod unit, and when the push rod unit is pressed, the push rod unit is pushed out by the elastic member (3) into the first hole (12) of the body (1) When positioning the position, the through hole (231) of the pusher unit will be located on the body (1) fluid passage (11), so that the fluid passes normally, when pushing the pusher unit into the body (1) tube hole (12) When the second positioning position is in the position, the conduction hole (231) of the pusher unit and the fluid passage (11) of the body (1) are staggered, so that the fluid is blocked and stops flowing, thereby achieving one-handed operation. And the operation control of the simple purpose of rapid fluid conduit of the medical equipment.

Referring to the third embodiment, the first embodiment of the present invention, wherein the click device (2) comprises a pusher unit and an elastic member (3), the pusher unit includes an end pressing member (21), and positioning control a piece (22) and a main rod (23), the end piece (21) includes a plurality of serrated protrusions (211) at one end, and a plurality of serrations provided by the plurality of end pressing members (21) at one end of the positioning control member (22) The protrusions (211) are corresponding sliders (221), one end of each of the sliders (221) has a slope (222), and the body (1) is provided with a tube hole intersecting the fluid passage (11) ( 12), the inner wall of the pipe hole (12) is provided with a plurality of positioning control members (22), each sliding bar (221) is embedded in the sliding chute (121), and is disposed between each two chutes (121) ( 1) The inner wall of the pipe hole (12) is provided with a set of first inclined surface (122) and a second inclined surface (123), and the main rod (23) and the positioning control member (22) are normally subjected to the elastic member (3) Push , the main rod (23) and the positioning control member (22) are kept in contact with the end pressing member (21), and the positioning control member (22) is inclined (222) and end of the end portions of the sliding rods (221). The inclined surface (212) of the zigzag protrusion (211) of the pressing member (21) is pressed, and when the end pressing member (21) is pushed, the positioning control member (22) and the main rod (23) are pushed in, and when positioning When the control member (22) is displaced to displace the end portion of the slider (221) from the sliding groove (121) of the inner wall of the pipe hole (12) of the body (1), the elastic member (3) is generated at this time. The thrust causes an oblique sliding between the inclined surface (222) of the end portion of the slider (221) of the positioning control member (22) and the inclined surface (212) of the serrated protrusion (211) of the end pressing member (21), thereby making the positioning control member (22) being rotated to cause rotation, and the inclined surface (222) of the end of the slider (221) is slid along the first inclined surface (122) to be positioned at the boundary with the second inclined surface (123), and the main rod (at this time) 3) The through hole (231) provided on the upper side forms a dislocation state with the body (1) fluid passage (11), and the fluid passage (11) is closed (as shown in the fourth figure), when the end pressure member is pressed again. (21) causing the positioning control member (22) and the main lever (23) to be pushed again, and when the positioning control member (22) is pushed to move the inclined surface (222) end of the slider (221) to the second end When the inclined surface (123) is located (as shown in the fifth figure), the inclined surface (222) of the end of the sliding strip (221) and the inclined surface (212) of the serration (211) of the end pressing member (21) are generated. The inclined surface sliding action causes the positioning control member (22) to rotate again, so that the inclined surface (222) of each sliding strip (221) end extends along the sliding side of the second inclined surface (123), so that the positioning control member ( 22) Each slider (221) slides into each corresponding slot (121) of the inner wall of the body (1) tube hole (12), and the main rod (23) and the positioning control member (22) Synchronize Move to the right (outer) to stop the bottom end of the first and second slopes (122) (123) from the stop edge (223) of the bottom edge of the positioning control member (22), and the main rod will be 23) the via hole (231) is located on the fluid channel (11) of the body (1), and the fluid channel (11) is turned on (as shown in the sixth figure), and wherein the main rod (23) and The end pressure piece (21) is provided with at least one or a set of ribs (232) (213), and can be matched with the corresponding sliding groove (125) in the front and rear of the body (1) tube hole (12) (124) Inside, the main rod (23) and the end pressing member (21) are not rotated, and further, a cap (13) is provided at the end of the body (1) at the end pressing member (21) to make the end pressing member (21) Do not slip out.

Referring to FIG. 7 and FIG. 8 again, a second embodiment of the present invention mainly includes a body (4) and a pointing device, the body (4) having a fluid passage (41), and a click device. The device (4) is disposed in the tube hole (42) intersecting the fluid passage (41), wherein the click device comprises a push rod (5) and an elastic member (6), and the push rod (5) is provided with a The elastic positioning member (52) and the end portion of the elastic positioning member (52) are formed with a top stop portion (521), the top end portion (521) side is a top stop surface (522), and the other side is a slope surface (523) The main body (4) is provided with a positioning hole (44) for engaging the positioning portion (521) of the elastic positioning member (52) of the push rod (5), and an elastic release member is disposed on the body (4). (43), the end of the elastic release member (43) is formed with a push tip (431) extending to the positioning hole (44), and pushing the push rod (5) inwardly to elastically position the member ( 52) When the stopper (521) enters the position hole (44) set by the body (4) due to elasticity, the push rod (5) is positioned, and the through hole (51) provided on the push rod (5) is just opposite to the body. (4) The fluid passage (41) is in a dislocated state, so that the fluid passage (41) is closed, and when the elastic release member (43) is provided on the body (4), the push end (431) of the end portion of the push rod is pushed. (5) The top end portion (521) of the upper elastic positioning member (52) is moved away from the positioning hole (44), and the push rod (5) is pushed by the elastic member (6) to return to the original position, and the push rod is pushed (5) The upper via hole (51) is in a state of being electrically connected to the fluid passage (41) of the body (4) so that the fluid can pass normally.

Wherein the push rod (5) is provided with at least one or a set of ribs (53), and can be fitted into the corresponding chute (46) provided in the tube hole (42) of the body (4) to make the push rod (5) no rotation is generated, and a cap (47) is provided at one end of the body (4) so that the end pressing member does not slide out, and a second positioning hole (45) may be further disposed on the main body (4). When the elastic release member (43) provided on the body (4) is pressed, the push end (431) of the end portion of the push rod (5) pushes off the top end portion (521) of the elastic positioning member (52). The hole (44) and the push rod (5) are pushed by the elastic member (6) to return to the original position, so that the top end portion (521) of the elastic positioning member (52) enters the second positioning hole (45), also The through hole (51) on the push rod (5) is in a state of being electrically connected to the fluid passage (41) of the body (4) so that the fluid can pass normally.

In summary, the present invention can achieve the purpose of rapid control of the medical device fluid conduit which can be operated with one hand and is easy to operate, and can be used to control the closure and opening of the medical device fluid, which is novel, progressive and can be The invention for industrial implementation has already met the requirements for the invention patent, and the patent application has been filed according to law. The review committee of Shangqigui can review it in detail, and the patent for this case will be granted as soon as possible.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent variation and modification according to the scope of the present invention should still belong to the present invention. Within the scope of coverage.

(1) (4) ‧‧‧ Ontology

(11) (41) ‧‧‧ fluid passage

(12) (42) ‧ ‧ pipe holes

(121)(124)(125)(46)‧‧‧ chute

(122)‧‧‧First bevel

(123)‧‧‧second slope

(13) (47) ‧ ‧ caps

(2) ‧‧‧click device

(21) ‧‧‧Endpieces

(211)‧‧‧Sawtooth

(212)(222)(523)(81)‧‧‧ Bevel

(213) (232) (53) ‧ ‧ ribs

(22)‧‧‧ Positioning controls

(221)‧‧‧ sliders

(223) ‧‧‧ 止止缘

(23) ‧‧‧ main pole

(231) (51) ‧‧‧ Vias

(3) (6) ‧‧‧Flexible components

(43)‧‧‧Elastic release element

(431) ‧‧‧ push the top

(44)‧‧‧Positioning holes

(45) ‧‧‧2nd positioning hole

(5) ‧‧‧Put

(52) ‧‧‧elastic positioning elements

(521) ‧ ‧ top stop

(522)‧‧‧Top stop

(7)‧‧‧Control valve

(71) ‧‧‧ channels

(72)‧‧‧Hose

(8) ‧‧‧Pushing pieces

(82) ‧‧‧Press

(A) ‧ ‧ gap

The first figure is a cross-sectional view of one of the preferred embodiments of the present invention. The second figure is a cross-sectional view of the present invention in which the body fluid passage is closed. The third drawing is an exploded perspective view of a first embodiment of the present invention. The fourth figure is a cross-sectional view of the first embodiment of the present invention when the body fluid passage is closed. Fig. 5 is a cross-sectional view showing the first embodiment of the present invention when the end piece is pushed. Figure 6 is a cross-sectional view showing the first embodiment of the present invention when the body fluid passage is turned on. Figure 7 is a cross-sectional view showing the second embodiment of the present invention when the body fluid passage is closed. Figure 8 is a cross-sectional view showing the second embodiment of the present invention when the body fluid passage is turned on. The ninth diagram is a cross-sectional view of a conventional structure. The tenth figure is a cross-sectional view of a conventional structure when closed.

Claims (8)

A medical catheter control valve mainly includes: a body having a fluid passage, the body further having a tube hole intersecting the fluid passage; and a click device disposed in the tube hole of the body, the The click device comprises a pusher unit and an elastic component, and a push hole is arranged on the pusher unit, and when the pusher unit is pressed to push the pusher unit out of the first positioning position in the hole of the main body by the elastic component, the pusher is made The through hole of the unit is located on the body fluid passage, and the fluid passes normally. When the pusher unit is pushed into the second positioning position in the hole of the body tube, the fluid passage of the through hole of the push rod unit and the body is generated. The staggered state causes the fluid to be blocked and stops flowing. The pusher unit includes an end pressing member, a positioning control member and a main rod, and the end pressing member includes a plurality of serrated protrusions at one end, and a plurality of ends and end pressures are provided at one end of the positioning control member. The plurality of serrated protrusions are arranged as corresponding sliding strips, and one end of each sliding strip has a sloped surface, and a tube hole intersecting the fluid passage is arranged on the body, and the inner wall of the tube hole is provided with a plurality of tubes Each slider of the positioning control component is embedded in the sliding slot of the sliding body, and a set of first inclined surface and second inclined surface are disposed on the inner wall of the main body hole between each two adjacent sliding slots, and the main rod and the positioning control component are normally By the thrust of the elastic member, the main rod and the positioning control member are kept in contact with the end pressing member, and the inclined surface of the end portion of the sliding rod of the positioning control member and the inclined surface of the serrated protrusion of the end pressing member are pressed. Pushing the end pressing member pushes the positioning control member and the main rod, and when the positioning control member is displaced to displace the slider end portion from the sliding groove of the inner wall of the main pipe hole, the elastic member is generated at this time. The thrust causes an oblique sliding between the inclined surface of the end portion of the positioning control member slider and the inclined surface of the end piece of the end pressing member, so that the positioning control member is rotated to rotate, and the inclined surface of the end portion of the sliding strip is along the first inclined surface Sliding to the boundary with the second inclined surface for positioning, at this time, the through hole provided on the main rod forms a dislocation state with the body fluid passage, and the fluid passage is closed, and when the end pressing member is pressed to make the positioning control member and the main The rod is pushed again, and when the positioning control When it is pushed beveled end portion of the slider end position to a second ramp, this time due to the complex slider end The inclined surface of the beveled surface and the inclined surface of the serrated protrusion of the end pressing member generates a slope sliding action, and the positioning control member is further rotated, so that the inclined surface of each sliding strip end extends along the second inclined surface while sliding, and the positioning control member is rotated. Each of the sliders slides into each corresponding slot provided in the wall of the body tube, and the main rod and the positioning control member are moved to the right (outer) synchronously to stop the bottom end of the first and second slopes from being positioned and controlled. The stop is stopped near the bottom edge of the bottom edge, and the conduction hole of the main rod is placed on the fluid passage of the body, so that the fluid passage is turned on. The medical catheter control valve according to claim 1, wherein at least one or a set of ribs are disposed on the main rod, and a corresponding chute is disposed in the main tube hole to provide a convexity on the main rod. The strip can be fitted in the corresponding sliding slot provided behind the body tube hole, so that the main rod does not rotate. The medical catheter control valve according to claim 1, wherein at least one or a set of ribs are disposed on the end pressure member, and a corresponding sliding groove is disposed in the body tube hole to make the end pressure member The rib can be matched with the corresponding sliding groove provided in the hole of the main body, so that the end pressing member does not rotate. The medical catheter control valve according to claim 1, wherein a cap is provided at the end of the end pressing member of the body to prevent the end pressing member from slipping out. The utility model relates to a medical catheter control valve, which mainly comprises: a body, the body has a fluid passage, and the body is further provided with a tube hole intersecting the fluid passage, and the positioning hole is arranged on the body, and an elastic release is provided on the body. And a click device disposed in the tube hole of the body, the click device includes a push rod and an elastic component, the push rod is provided with an elastic positioning component, and the end of the elastic positioning component is formed with a top stop. The push rod is provided with a through hole, and the elastic member is disposed between the inner end of the tube hole of the body and the push rod; when the push rod is pushed inwardly, the top end portion of the upper elastic positioning member enters the position of the body due to elasticity. When the hole is formed, the push rod is positioned, and the conductive hole provided on the push rod is formed in a dislocation state with the fluid passage of the body, so that the fluid passage is closed, and when the elastic release member is provided on the body, the end portion thereof is Pushing the top end to push the top end of the elastic positioning element on the push rod away from the positioning hole, and the push rod is subjected to the elastic element Pushing back to the original position, and making the conduction hole on the push rod and the fluid passage of the body conductive, so that the fluid can pass normally. The medical catheter control valve according to claim 5, wherein the top end of the elastic positioning element is a top stop surface and the other side is a slope. The medical catheter control valve according to claim 5, wherein at least one or a set of ribs are disposed on the push rod, and a corresponding chute is disposed in the body tube hole, and the protrusion is disposed on the push rod. The strip can fit in the corresponding sliding slot provided in the hole of the main body, so that the push rod does not rotate. The medical catheter control valve according to claim 5, wherein a second positioning hole is further disposed on the body, and the elastic release member is disposed on the body, so that the pushing end of the end portion elastically positions the push rod. When the top stop of the component is moved away from the positioning hole, the push rod is pushed by the elastic component to return to the original position, and the top stop of the elastic positioning component enters the second positioning hole, and the conductive hole and the body on the push rod are also The fluid passages are in a conductive state so that the fluid can pass normally.