CN102188765A

CN102188765A - Infusion and transfusion fixed safety device

Info

Publication number: CN102188765A
Application number: CN2010101175715A
Authority: CN
Inventors: 汪贤宗; 郑万章
Original assignee: 廖首猜
Priority date: 2010-03-04
Filing date: 2010-03-04
Publication date: 2011-09-21

Abstract

The invention discloses an infusion and transfusion fixed safety device. The infusion and transfusion fixed safety device comprises a soft hollow upper drip cup and a hard hollow lower drip cup which are sleeved and combined with each other; a fixed sleeve ring which is provided with a sleeve hole is arranged at the top edge of the lower drip cup; the fixed sleeve ring is fixed inside the upper drip cup and the lower drip cup which are combined; a connecting rail which is provided with a groove is arranged at the outer edge of the lower drip cup; and the upper drip cup is sleeved in the groove of the connecting rail and fixedly combined with the lower drip cup into a whole.

Description

The fixedly safety device of a kind of transfusion and blood transfusion

Technical field

The present invention relates to the improvement of a kind of transfusion and transfusion safety device, outstanding reference and a kind of fixedly safety device that is suitable for various drops.

Background technology

The existing transfusion injection device that is used to infuse or transfuse blood cooperates control valve to use in the lump in using often, with under necessary situations such as fluid infusion end or replacing Liquid dropping bottle, normally utilize control valve to stop transfusion or blood transfusion, prevent that the backflow of air admission blood vessel and blood from entering in the tube for transfusion.

Control valve includes dropping liquid cup and the floating cup part of parenteral solution in the temporary transient storing spot drop bottle usually; The buoyancy that floating cup part utilizes the dropping liquid in the dropping liquid cup to provide fluctuates in the dropping liquid cup; But soft dropping liquid cup is when using or transport in the process and often deform because of External Force Acting; The floating cup part that soft dropping liquid cup is floated carry can't normally fluctuate along with the variation of dropping liquid liquid level; Thereby have influence on the stagnant water effect of floating cup part; Such as the disclosed a kind of automatic stopping device for intravenous drip of Chinese patent Granted publication CN2306013Y; When liquid storage cylinder 22 is subjected to External Force Acting and is out of shape; Dropping liquid in dropping bottle 10 continues to splash in the situation of liquid storage cylinder 22 inner spaces; The set valve body 24 of liquid storage cylinder 22 this moment; Not only can't normally go up to rise with the dropping liquid liquid level; And when dropping liquid is about to drip to the greatest extent, also can't descends with liquid level and bring into play only liquid function.

Summary of the invention

In view of this, the applicant improves the structure of existing transfusion and transfusion safety device, the fixedly safety device of a kind of transfusion and blood transfusion is provided, and the technological means that is adopted comprises: the following cup spare that drips cup part and a hard hollow of going up by a soft hollow of mutual socket combination constituted.This following cup part outer rim is provided with a stop section, drips this on that a cup part is socketed on this following glass of part and holding is fixed on this stop section.The apical margin device of this following cup part has a retaining collar with trepanning, and this retaining collar is gone up the inside of dripping cup part and following glass of part after fixedly being to make up.This following cup part outer rim is provided with one and has integrating with of groove, and upward a cup part is socketed on this this groove that integrates with and is fixed into one with the combination of following cup part.Wherein, this retaining collar top is provided with a top flange, and this retaining collar utilizes the Access Division of this top flange to be fixed on the apical margin of this following cup part.

The technological means that is adopted more comprises a float trap, and this float trap has a motion bar that can penetrate in this trepanning.Each device has a floating glass part to this motion bar at two ends, and this float trap is floated by the drip cup part inside of buoyancy after combination through this floating cup part.

Specific embodiment of the present invention will and attachedly be graphic and be further described by following embodiment.

Description of drawings

Fig. 1 is the first embodiment of the invention three-dimensional exploded view; Fig. 2 is the first embodiment of the invention axonometric chart; Fig. 3 is a partly three-dimensional exploded view of first embodiment of the invention; Fig. 3 A is a partly three-dimensional combination figure of first embodiment of the invention; Fig. 4 uses sketch map for first embodiment of the invention; Fig. 5 uses sketch map for first embodiment of the invention; Fig. 6 uses sketch map for first embodiment of the invention; Fig. 7 uses sketch map for first embodiment of the invention; Fig. 8 uses sketch map for first embodiment of the invention; Fig. 9 is another axonometric chart of float trap in the first embodiment of the invention; Fig. 9 A is another generalized section of float trap in the first embodiment of the invention; Figure 10 is the another axonometric chart of float trap in the first embodiment of the invention; Figure 10 A is the another generalized section of float trap in the first embodiment of the invention; Figure 11 is the second embodiment of the invention three-dimensional exploded view; Figure 12 is the second embodiment of the invention generalized section; Figure 13 is the third embodiment of the invention generalized section.

The specific embodiment

See also Fig. 1, Fig. 2, Fig. 3 and Fig. 3 A, be first embodiment of the invention three-dimensional exploded view and axonometric chart.One fixedly safety device 1 as shown in Figure 2, and in the dropping liquid cup 100 of hollow, be provided with float trap 10 by mutually dripping a cup part 20 and drip the dropping liquid cup 100 that glass part 30 is combined as a hollow once on belled one.

In present embodiment, go up to drip a cup part 20 and following glass of part 30 respectively by for example: polrvinyl chloride (Polyvinylchloride, PVC) etc. soft material or be equal to soft material and acrylonitrile-styrene-butadiene copolymer (Acrylonitrile ButadieneStyrene ABS) waits hard material or be equal to soft material and constitute.

Go up to drip a cup part 20 and have a hollow and slightly be bell cup 21, cup 21 has a convex jointing part and is provided with one and stretches into a protruding adapter of dripping cup part 20 in the narrow end place, be provided with an inlet 22 in protruding adapter one end, and draw fitting 41 connections one feed tube 40 by one.Be provided with a socket part 23 in addition in the broad place, socket part 23 has an open socket 231.

The following cup 31 that cup part 30 has a hollow, cup 31 1 ends have an open socket 311, cup 31 upwardly extendingly integrates with 32 in being provided with one near socket 311 outer rim places, integrate with and 32 itself have groove 321, and go up to drip cup part 20 and directly be enclosed within 32 groove 321 places of integrating with, it is made up with following glass of part 30 be fixed as one with socket 231.

Following cup part 30 is provided with a liquid outlet 331 in blind end 33, and in liquid outlet 331 devices the portion of connecing 332 of drawing arranged, in order to the mouth of pipe 51 that is connected to a drain pipe 50.

The apical margin device that infra drips glass part 30 has a retaining collar 12, and retaining collar 12 is provided with a trepanning 121 in centre, is connected with plural collar rib 122 between retaining collar 12 and trepanning 121, forms port 123 between collar rib 122.Port 123 numbers are single or multiple, shown in Fig. 3, Fig. 3 A, drop is splashed into by the inlet 22 of last droplet cup spare 20 easily after, enter into through port 123 and to drip a cup part 30.

Retaining collar 12 top one are extended with a top flange 124, and Access Division 1241 blocking as shown in Fig. 4, Fig. 5 that retaining collar 12 utilizes top flange 124 to extend body is fixed on down the apical margin that drips cup part 30.Before a last cup spare 20 reached following cup part 30 combinations, retaining collar 12 can be fixed on dropping liquid cup 100 inside of hollow earlier, and its fixed form is one means, and relevant explanation is omitted.

Float trap 10 penetrates the trepanning 121 of retaining collar 12 as shown in fig. 1 with a motion bar 11, each device has a

floating glass part

13,15 to motion bar 11 at two ends, makes float trap 10 see through

floating cup part

13,15 and floats in dropping liquid cup 100 with buoyancy.

Floating cup part 13 comprises the buoyancy aid 131 of hollow and is arranged on buoyancy aid 131 buoyancy aid connecting portions 132 inner and that down extend, and buoyancy aid 131 has an open floating rim of a cup 1311.Plug part 14 1 ends are provided with the detent plug connecting portion 141 that cooperates with the connecting hole 133 of buoyancy aid connecting portion 132.Plug part 14 other ends are provided with one and are attached to down a detent plug thin film 142 that drips cup part 30 liquid outlets 331 in order to sealing.Floating cup part 15 comprises the buoyancy aid 151 of hollow and is provided with the connecting hole 152 that is connected in order to motion bar 11.

In present embodiment, the hollow floating body 131 of selected floating cup part 13 flows into the some dropping liquid by floating rim of a cup 1311 increases its weight, except carrying out the sealing with the detent plug thin film 142 of plug part 14, more can produce pressure and help detent plug thin film 142 sealings to attach liquid outlet 331, and then prevent blood back with the weight of some dropping liquid in its hollow floating body 131.Floating cup part 15 itself only is a hollow floating body 151, in order to increase the buoyancy of float trap 10.

See also Fig. 4 to Fig. 8, for first embodiment of the invention is used sketch map.When reality was used, fixedly the feed tube 40 of safety device cup part 20 more than 1 was connected to a drop bottle (not shown), and infra drips feed tube 50 end equipments one injection needle 60 of glass part 30 in addition.

When infusing or transfuse blood, drop is splashed into by the inlet 22 of last droplet cup spare 20 and temporarily is stored in dropping liquid cup 100 and forms dropping liquid L, and float trap 10 utilizes the floating glass of buoyancy that

part

13,15 is produced that is arranged on motion bar 11 two ends in dropping liquid L, and motion bar 11 is moved toward come-up as shown in Fig. 5, Fig. 7, whole float trap 10 is upwards floated, and therefore the detent plug thin film 142 of plug part 14 also remove down the liquid outlet 331 that drips cup part 30.In present embodiment, because motion bar 11 is to penetrate in the trepanning 121 of retaining collar 12, so the domain of walker of float trap 10 in dropping liquid cup 100 is to be limited in the movable range of motion bar 11.

When closing to an end when infusing or transfusing blood, reduction along with dropping liquid L liquid level in the dropping liquid cup 100, motion bar 11 is past moving down as shown in Fig. 6, Fig. 8 thereupon, whole float trap 10 is descended, and the detent plug thin film 142 of plug part 14 can be attached to down liquid outlet 331 places of dripping cup part 30 by sealings.

See also Fig. 9 and Fig. 9 A, be another axonometric chart and the generalized section of float trap in the first embodiment of the invention, Figure 10 and Figure 10 A are the another axonometric chart and the generalized section of float trap in the first embodiment of the invention.In Fig. 9, Fig. 9 A, plug part 14A one end is provided with detent plug connecting portion 141A, and the other end directly is provided with a detent plug thin film 142A in order to the sealing attaching.In Figure 10, Figure 10 A, plug part 14B one end is provided with detent plug connecting portion 141B, and the other end extends the detent plug thin film 142B that connection one attaches in order to sealing.

See also Figure 11 and Figure 12, be second embodiment of the invention three-dimensional exploded view and generalized section.Main element is all identical with first embodiment in the present embodiment, and is marked with same reference numbers, and the explanation of relevant identical part is omitted, and present embodiment has the effect identical with first embodiment.

In second embodiment, the socket 231 of following cup part 30A cup part 20 on cup 31 outer rim correspondences is provided with a stop section 34, go up a cup part 20 and drip a glass part 30A outer rim place with socket 231 direct cover infra, and holding is fixed on the stop section 34 of cup 31, makes to drip cup part 20 and following glass of part 30 windings together.

See also Figure 13, be the third embodiment of the invention generalized section.Main element is all identical with first embodiment in the present embodiment, is marked with same reference numbers and omits its related description, and have the effect identical with first embodiment.

In the 3rd embodiment, float trap 10A connects plug part 17 with floating cup part 16 equally, the detent plug connecting portion 171 that plug part 17 1 ends are provided with and floating cup part 16 is connected, the other end are provided with one and are attached to down a detent plug thin film 172 of glass part 30 liquid outlets 331 in order to sealing.

Float trap 10A does not connect another floating cup part with the motion bar among first embodiment 11, but connects an anti-bubble spare 18 in addition.As shown in FIG., the top of anti-bubble spare 18 is subjected to the restriction of trepanning 121, can't buoyance lift surpass the height of retaining collar 12, and corresponding trepanning 121 positions, the top of anti-bubble spare 18 is provided with an anti-bubble awl 181.

Float trap 10A utilizes floating cup part 16 to rise or descend along with liquid level, the tip that makes anti-bubble awl 181 is also with the trepanning 121 that penetrates or pass retaining collar 12, simultaneously the drop that is splashed into by the inlet 22 of last droplet cup spare 20 can enter down a glass part 30 by the port between the collar rib 122 123 earlier after the action of points of anti-bubble awl 181.And along with liquid level reduces, whole float trap 10A can descend, and the detent plug thin film 172 of plug part 17 can produce the sealing effect and be attached to down liquid outlet 331 places of dripping cup part 30.

The above only is preferred embodiment of the present invention, and is non-so promptly limit to the claimed scope of claim, so the simple and easy modification and the equivalent structure that use this description and graphic content to do such as change, all should in like manner be contained in the scope of the present invention.

Claims

1. the fixedly safety device of transfusion and blood transfusion is characterized in that: the following cup spare (30) that drips cup part (20) and a hard hollow of going up by a soft hollow of mutual socket combination is constituted.

2. the fixedly safety device of transfusion according to claim 1 and blood transfusion, it is characterized in that: this following cup part (30) outer rim is provided with a stop section (34), drips this on that a cup part (20) is socketed on this following glass of part (30) and holding is fixed on this stop section (34).

3. the fixedly safety device of transfusion according to claim 1 and blood transfusion, it is characterized in that: this following cup part (30) outer rim is provided with one and has integrate with (32) of groove (321), and should go up to drip that a cup part (20) is socketed on the groove (321) of these integrate with (32) and make up with this following cup part (30) and fix.

4. the fixedly safety device of transfusion according to claim 1 and blood transfusion, it is characterized in that: the apical margin device of this following cup part (30) has a retaining collar (12) with trepanning (121), and this retaining collar (12) is gone up the inside of dripping cup part (20) and following glass of part (30) after fixedly being to make up.

5. the fixedly safety device of transfusion according to claim 1 and blood transfusion, it is characterized in that: this retaining collar (12) top is provided with a top flange (124), and this retaining collar (12) utilizes the Access Division (1241) of this top flange (124) to be fixed on the apical margin of this following cup part (30).

6. the fixedly safety device of transfusion according to claim 1 and blood transfusion is characterized in that: this device more comprises a float trap (10), and this float trap (10) has a motion bar (112) that can penetrate in this trepanning (121).

7. the fixedly safety device of transfusion according to claim 6 and blood transfusion, it is characterized in that: each device has a floating glass part (11,131) to this motion bar (112) at two ends, this float trap (10) is seen through should floating cup part (11,131) drip a cup part (20) on after the combination and following glass of part (30) inside is unsteady by buoyancy.