CN217014893U - Connecting device for transfusion - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a connecting device for infusion, which comprises a connecting main body for connecting an infusion bag/bottle and an infusion apparatus with a split charging bag, wherein the infusion bag/bottle comprises a rubber head, the infusion apparatus with the split charging bag comprises a connecting pipe, a puncture needle is fixedly arranged at the free end of the connecting pipe, two side plates are vertically and integrally formed at the lower end of the puncture needle, the width size of each side plate is larger than the diameter size of the puncture needle, the connecting main body comprises a lower clamping body and an upper clamping body, a first through groove is formed in the lower clamping body, one side plate is positioned in the first through groove, a second through groove is further formed in the lower clamping body, the lower end of the puncture needle is positioned in the second through groove, the upper clamping body is C-shaped, the upper clamping body is clamped on the rubber head, and a telescopic connecting mechanism is arranged between the lower clamping body and the upper clamping body. The purpose is as follows: the infusion bag/bottle and the infusion apparatus with the sub-packaging bag are connected through the connecting device, so that the problem that the infusion apparatus with the sub-packaging bag falls off under the condition that the infusion apparatus with the sub-packaging bag does not have hanging conditions is solved.

Description

Connecting device for transfusion

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a connecting device for infusion.

Background

Infusion bags/bottles are medical products that are often used in the field of medical technology for holding medical fluids.

In order to inject a new drug solution into an infusion bag/bottle, an infusion set with a separate bag attached to the infusion bag/bottle is often used, and a liquid injection tube is reserved in the infusion set with the separate bag, and when in use, a syringe is used to inject a drug solution into the infusion set with the separate bag through the liquid injection tube.

During infusion, a puncture needle of an infusion apparatus with a sub-packaging bag is generally arranged on a rubber head of an infusion bag/bottle in a penetrating mode, so that liquid of the infusion bag/bottle can flow into the infusion apparatus with the sub-packaging bag, then the infusion bag/bottle and the infusion apparatus with the sub-packaging bag are hung on infusion supports one by one, but in the actual use process, not all infusion supports have the condition that the infusion bag/bottle and the infusion apparatus with the sub-packaging bag are hung simultaneously, and some infusion supports only have one layer of hooks and can only select to hang the infusion bag/bottle on the infusion support.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the connecting device is used for connecting an infusion bag/bottle and an infusion apparatus with a sub-packaging bag, and the problem that the infusion apparatus with the sub-packaging bag falls off under the condition that the infusion apparatus with the sub-packaging bag does not have hanging conditions is solved.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

a connecting device for transfusion comprises a connecting main body for connecting an infusion bag/bottle and an infusion apparatus with a split charging bag, wherein the infusion bag/bottle comprises a rubber head, the infusion apparatus with the split charging bag comprises a connecting pipe, a puncture needle is fixedly arranged at the free end of the connecting pipe, two side plates are vertically and integrally formed at the lower end of the puncture needle, the width dimension of each side plate is larger than the diameter dimension of the puncture needle, an exhaust pipe is further arranged between the two side plates of the puncture needle, a sealing cover is mounted on the exhaust pipe, the connecting main body comprises a lower clamping body and an upper clamping body, a first through groove is formed in the lower clamping body, one side plate is located in the first through groove, a second through groove is further formed in the lower clamping body, the first through groove and the second through groove are communicated in a T shape, the lower end of the puncture needle is located in the second through groove, the upper clamping body is in a C shape, and the upper clamping body is clamped on the rubber head, and a telescopic connecting mechanism is arranged between the lower clamping body and the upper clamping body.

Further inject, coupling mechanism includes interior pole and overcoat, interior pole wears to establish in the overcoat, interior pole is connected with lower card body, the horizontal integrated into one piece elasticity head in interior pole upper end, the latch has been seted up to the lateral surface at the both ends about the elasticity head, the outside of elasticity head still is fixed and is equipped with the connecting plate, overcoat and last card body fixed connection, the overcoat is lower extreme open-ended hollow structure, the both sides of overcoat inner wall are equipped with the rack, the seam has still been seted up to the overcoat lateral wall, the connecting plate is worn to establish in crossing the seam. Such structural design utilizes the elasticity of elasticity head for the latch card is established on the rack, avoids the automatic extension of coupling mechanism, and through the connecting plate that stretches out the overcoat again, when inwards extrudeing two connecting plates, can make the latch break away from the rack, at this moment, can stretch coupling mechanism.

Further limit, the lower end face of the latch is a horizontal plane, and the upper end face of the rack is a horizontal plane. Such structural design sets up through the one-way tooth of latch and rack for the card body keeps motionless under, when going up the card body and moving down, need not to push the connecting plate, directly promote go up the card body can, it is more convenient to use.

Further inject, install the guide bar in the overcoat, seted up the direction blind hole on the interior pole, the lower extreme of guide bar is worn to establish in the direction blind hole, the cover is equipped with compression spring on the guide bar. Such structural design, the one-way tooth setting of cooperation latch and rack is used the completion at connecting device, when needing to dismantle, directly extrudees two connecting plates inwards for after the latch breaks away from the rack, go up the card body and can be at automatic upward movement under compression spring's effect, thereby make the card body break away from and establish the card of rubber head, it is more convenient to use.

Further inject, overcoat lower extreme demountable installation has the limiting plate, interior pole can be dismantled with lower card body and be connected, the rectangular hole has been seted up on the limiting plate, interior pole is worn to establish in the rectangular hole. Due to the structural design, the maximum downward displacement of the inner rod is limited through the limiting plate, so that the problem that the inner rod is completely separated from the outer sleeve, and a connecting mechanism is scattered is avoided; the detachable connection is for convenient assembly.

Further limiting, the limiting plate is integrally provided with two protruding blocks, and the protruding blocks are located in the gap. Due to the structural design, the lower end of the gap is supported through the convex block, and the problem that the sliding of the connecting plate is influenced due to the fact that the free end is easy to fold after the gap is too long is avoided.

Further inject, the breach has still been seted up to one side of overcoat, the inside slope of breach from the bottom up, install the blade on the elastic head, the blade from the bottom up leans out, knife feeding seam has still been seted up in the overcoat. Such structural design, after the transfusion system that takes the partial shipment bag uses the completion, can place the connecting pipe of pjncture needle one end in the breach, the rethread card body action that upwards promotes down drives the blade upward movement, cuts the connecting pipe to the pjncture needle that makes to belong to the sharp ware separates convenient to use with the partial shipment bag.

Adopt above-mentioned technical scheme's utility model, have following advantage:

1. the rubber head of the infusion bag/bottle and the puncture needle of the infusion apparatus with the sub-packaging bag are connected through the connecting device, so that the problem that the infusion apparatus with the sub-packaging bag falls off under the condition that the infusion apparatus with the sub-packaging bag does not have hanging conditions can be solved;

2. after the transfusion system of bag is used to accomplish in area branch dress, can place the connecting pipe of pjncture needle one end in the breach, the rethread drives blade upward movement to the action that the card body upwards promoted down to cut the connecting pipe to make the pjncture needle and the branch dress bag separation that belong to the sharp ware, convenient to use.

Drawings

The utility model is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view showing a configuration of a connection device for infusion in a use state according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of an infusion apparatus part with a sub-packaging bag in an embodiment of a connecting device for infusion;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a first schematic view of an embodiment of a connection device for infusion according to the present invention;

FIG. 6 is a first schematic structural view of a lower clamp body, an inner rod and an elastic head part in an embodiment of a connection device for infusion according to the present invention;

FIG. 7 is a second schematic structural view of a lower clamp, an inner rod and an elastic head part in an embodiment of a connection device for infusion;

FIG. 8 is a second schematic view of an embodiment of a connector for infusion;

FIG. 9 is a cross-sectional view of an embodiment of a connector for infusion;

FIG. 10 is a schematic view of the structure of the upper clamp body and the outer sheath portion of an embodiment of the infusion connector device;

FIG. 11 is a schematic view showing a structure of a stopper plate portion in an embodiment of a connector for infusion solution of the present invention;

the main component symbols are as follows:

an infusion bag/bottle 1, a rubber head 11,

An infusion set 2 with a separate bag, a connecting pipe 20, a puncture needle 21, a side plate 22, an exhaust pipe 23, a sealing cover 230,

A connecting body 3, a lower card body 31, a first through groove 311, a second through groove 312, an upper card body 32,

An inner rod 4, a blind guide hole 40, an elastic head 41, a latch 410, a connecting plate 42,

The outer sleeve 5, the limit plate 50, the rectangular hole 501, the convex block 502, the rack 510, the gap 52,

A guide rod 6, a compression spring 60,

Notch 7, blade 70 and feed slot 701.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 11, the connecting device for infusion of the present invention comprises a connecting main body 3 connecting an infusion bag/bottle 1 and an infusion apparatus 2 with a split charging bag, wherein the infusion bag/bottle 1 comprises a rubber head 11, the infusion apparatus 2 with the split charging bag comprises a connecting pipe 20, a puncture needle 21 is fixedly arranged at the free end of the connecting pipe 20, two side plates 22 are vertically and integrally formed at the lower end of the puncture needle 21, the width dimension of the side plate 22 is greater than the diameter dimension of the puncture needle 21, an exhaust pipe 23 is further arranged between the two side plates 22 of the puncture needle 21, a sealing cover 230 is arranged on the exhaust pipe 23, the connecting main body 3 comprises a lower clamping body 31 and an upper clamping body 32, a first through groove 311 is arranged on the lower clamping body 31, one side plate 22 is arranged in the first through groove 311, a second through groove 312 is also arranged on the lower clamping body 31, the first through groove 311 is communicated with the second through groove 312 to form a T shape, the lower end of the puncture needle 21 is arranged in the second through groove 312, the upper clamping body 32 is C-shaped, the upper clamping body 32 is clamped on the rubber head 11, and a telescopic connecting mechanism is arranged between the lower clamping body 31 and the upper clamping body 32.

Coupling mechanism includes interior pole 4 and overcoat 5, interior pole 4 wears to establish in overcoat 5, interior pole 4 is connected with lower calorie of body 31, the horizontal integrated into one piece elasticity head 41 in interior pole 4 upper end, latch 410 has been seted up to the lateral surface at both ends about elasticity head 41, the outside of elasticity head 41 is still fixed and is equipped with connecting plate 42, overcoat 5 and last calorie of body 32 fixed connection, overcoat 5 is lower extreme open-ended hollow structure, the both sides of 5 inner walls of overcoat are equipped with rack 510, 5 lateral walls of overcoat have still been seted up and have been sewed up 52, connecting plate 42 is worn to establish in sewing 52. Utilize the elasticity of elastic head 41 for latch 410 card is established on rack 510, avoids the automatic extension of coupling mechanism, and when two connecting plates 42 inwards extrude through the connecting plate 42 that stretches out overcoat 5, can make latch 410 break away from rack 510, and this moment, can stretch coupling mechanism.

The lower end surface of the latch 410 is a horizontal surface, and the upper end surface of the teeth of the rack 510 is a horizontal surface. Through the one-way tooth setting of latch 410 and rack 510 for keep motionless under calorie body 31, when going up calorie body 32 downstream, need not to push connecting plate 42, directly promote go up calorie body 32 can, it is more convenient to use.

Install guide bar 6 in the overcoat 5, seted up on interior pole 4 and led blind hole 40, the lower extreme of guide bar 6 is worn to establish in led blind hole 40, and the cover is equipped with compression spring 60 on the guide bar 6. The one-way tooth setting of cooperation latch 410 and rack 510 is used the completion at connecting device, when needing to dismantle, directly extrudees two connecting plates 42 to well for latch 410 breaks away from rack 510 back, goes up the card body 32 and can be automatic upward movement under compression spring 60's effect, thereby makes the card body 32 of going up break away from the card of establishing rubber head 11, and it is more convenient to use.

5 lower extreme demountable installation of overcoat has limiting plate 50, and interior pole 4 can be dismantled with lower card body 31 and be connected, has seted up rectangular hole 501 on the limiting plate 50, and interior pole 4 wears to establish in rectangular hole 501. The maximum downward displacement of the inner rod 4 is limited through the limiting plate 50, so that the problem that the inner rod 4 is completely separated from the outer sleeve 5, and a connecting mechanism is scattered is avoided; the detachable connection is convenient for assembly.

Two protrusions 502 are integrally formed on the position-limiting plate 50, and the protrusions 502 are located in the slits 52. The lower end of the gap 52 is supported by the projection 502, so that the problem that the sliding of the connecting plate 42 is influenced by the easy folding of the free end after the gap 52 is too long is avoided.

A notch 7 is further formed in one side of the outer sleeve 5, the notch 7 is inwardly inclined from bottom to top, the elastic head 41 is provided with a blade 70, the blade 70 is outwardly inclined from bottom to top, and a cutter feeding seam 701 is further formed in the outer sleeve 5. After the infusion apparatus 2 with the split charging bag is used, the connecting pipe 20 at one end of the puncture needle 21 can be placed in the notch 7, and the lower clamping body 31 is pushed upwards to drive the blade 70 to move upwards to cut the connecting pipe 20, so that the puncture needle 21 belonging to a sharp instrument is separated from the split charging bag, and the use is convenient.

In this embodiment, when the infusion bag/bottle 1 is hung on an infusion support, the puncture needle 21 is inserted into the rubber head 11 of the infusion bag/bottle 1, the lower clamping body 31 of the connection body 3 in an extended state is sleeved on the lower end of the puncture needle 21, so that the side plate 22 of the puncture needle 21 is clamped in the first through groove 311, the upper clamping body 32 is clamped above the rubber head 11, the lower clamping body 31 is grasped, the upper clamping body 32 is pressed downwards until the upper clamping body 32 is clamped on the rubber head 11, at this time, the infusion apparatus 2 with the sub-packaging bag is supported by the lower clamping body 31, and the connection body 3 is supported by the rubber head 11 of the infusion bag/bottle 1.

The above description describes in detail a connector for infusion according to the present invention. The description of the specific embodiments is only intended to facilitate an understanding of the method of the utility model and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. A connecting device for infusion is characterized in that: the infusion bag/bottle connecting structure comprises a connecting main body (3) for connecting an infusion bag/bottle (1) and an infusion apparatus (2) with a sub-packaging bag, wherein the infusion bag/bottle (1) comprises a rubber head (11), the infusion apparatus (2) with the sub-packaging bag comprises a connecting pipe (20), a puncture needle (21) is fixedly arranged at the free end of the connecting pipe (20), two side plates (22) are vertically and integrally formed at the lower end of the puncture needle (21), the width of each side plate (22) is larger than the diameter of the puncture needle (21), an exhaust pipe (23) is further arranged between the two side plates (22) of the puncture needle (21), a sealing cover (230) is installed on the exhaust pipe (23), the connecting main body (3) comprises a lower clamping body (31) and an upper clamping body (32), a first through groove (311) is formed in the lower clamping body (31), one of the side plate (22) is located in the first through groove (311), the lower clamping body (31) is further provided with a second through groove (312), the first through groove (311) and the second through groove (312) are communicated to form a T shape, the lower end of the puncture needle (21) is located in the second through groove (312), the upper clamping body (32) is C-shaped, the upper clamping body (32) is clamped on the rubber head (11), and a telescopic connecting mechanism is arranged between the lower clamping body (31) and the upper clamping body (32).

2. The infusion connection device according to claim 1, wherein: coupling mechanism includes interior pole (4) and overcoat (5), wear to establish in overcoat (5) interior pole (4), interior pole (4) are connected with lower calorie of body (31), the horizontal integrated into one piece elasticity head (41) in interior pole (4) upper end, latch (410) have been seted up to the lateral surface at both ends about elasticity head (41), the outside of elasticity head (41) is still fixed and is equipped with connecting plate (42), overcoat (5) and last calorie of body (32) fixed connection, overcoat (5) are lower extreme open-ended hollow structure, the both sides of overcoat (5) inner wall are equipped with rack (510), seam (52) have still been seted up to overcoat (5) lateral wall, seam (52) are worn to establish in seam (52) in connecting plate (42).

3. The connection device for infusion according to claim 2, wherein: the lower end face of the latch (410) is a horizontal plane, and the upper end face of the teeth of the rack (510) is a horizontal plane.

4. A connector for infusion according to claim 3, wherein: install guide bar (6) in overcoat (5), guide blind hole (40) have been seted up on interior pole (4), the lower extreme of guide bar (6) is worn to establish in guide blind hole (40), the cover is equipped with compression spring (60) on guide bar (6).

5. The connection device for infusion according to claim 4, wherein: the utility model discloses a card, including overcoat (5) lower extreme demountable installation, interior pole (4) can be dismantled with lower card body (31) and be connected, rectangular hole (501) have been seted up on limiting plate (50), interior pole (4) are worn to establish in rectangular hole (501).

6. The infusion connection device according to claim 5, wherein: the limiting plate (50) is further provided with two protruding blocks (502) in an integrated mode, and the protruding blocks (502) are located in the through seams (52).

7. The infusion connection device according to claim 2, wherein: breach (7) have still been seted up to one side of overcoat (5), from the bottom up leanin of breach (7), install blade (70) on elastic head (41), blade (70) from the bottom up leans out, knife feeding seam (701) have still been seted up in overcoat (5).

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