CN206730258U - Double lower limb angiography tube - Google Patents

Abstract

The utility model provides a kind of double lower limb angiography tube, including three-way pipe and three female Luers being connected on three-way pipe, three-way pipe is included into input pipe and two efferent ducts, one-way valve mechanism is respectively equipped with two efferent ducts, one-way valve mechanism includes the unidirectional valve body being made up of four sides and forms internal channel, a wherein body side a upper hinges for unidirectional valve body are connected to the first check plate, first check plate other end and body while a by have the first spring of pulling force connect and can be corresponding with a during body unidirectional valve body in addition while the first catch being provided with is corresponding, when the first check plate contacts with the first catch, first check plate can block the internal channel of unidirectional valve body just.Utility model is poured into contrast agent from input pipe using contrast agent syringe, then contrast agent exports along two efferent ducts and enters human body respectively, because the first check plate can block the internal channel of unidirectional valve body just, so blood back is blocked so as to anti-return blood by the first check plate.

Description

Double lower limb angiography tube

Technical field

It the utility model is related to medical instruments field, and in particular to a kind of double lower limb angiography tube.

Background technology

Lower limb phlebography pushes away contrast agent from instep superficial vein pin, and patient takes 30 ° of tiltedly vertical positions during radiography, checks that side limbs must The relaxed state not born a heavy burden must be completely in, injection contrast agent is typically carried out by angiography tube in angiographic procedure, it is first general to use Monotubular high pressure injector is injected, therefore early when doing double lower limb Arterography venography, just can only unilateral limbs checked, and And it is also possible to blood back phenomenon can be produced during this.

Utility model content

Problem to be solved in the utility model is to be provided for the above-mentioned deficiency in the presence of prior art under a kind of pair Limb angiography tube can be simultaneously to double lower limb radiography and the anti-return blood of energy.

To achieve the above object, the utility model employs following technical scheme：Double lower limb angiography tube, including three-way pipe With three female Luers being connected on the three-way pipe, the three-way pipe is included into input pipe and two efferent ducts, two institutes State and one-way valve mechanism is respectively equipped with efferent duct, in the one-way valve mechanism includes the unidirectional valve body that is made up of four sides and formed Passage, a wherein body side upper hinge for the unidirectional valve body are connected to the first check plate, the first check plate other end With the body while by have the first spring of pulling force connection and can be corresponding with a during the body it is described unidirectionally valve body it is another The first catch that outer one side is provided with is corresponding, when first check plate contacts with first catch, first non-return Plate can block the internal channel of the unidirectional valve body just.

Further, first check plate includes straight section and segmental arc two parts, and the straight section connects first spring, First spring has pulling force to the straight section all the time.

Further, the double lower limb angiography tube according to claim, it is characterised in that：When described in first spring handle One check plate furthers when pressing close to the body side a, and the end of the segmental arc is less than described to the distance of the body side a Halfs of the body side a to the distance of its corresponding sides.

Further, the double lower limb angiography tube according to claim, it is characterised in that：The double lower limb angiography tube also includes Second check plate and connecting rod, the body of the second check plate wherein one end hinge-connection above first check plate On a of side, the second check plate other end be connected to by the second spring with pressure on the body side a and with institute The corresponding unidirectional valve bodies of body side a are stated in addition while the second catch being provided with is corresponding and this end is also associated with rope One end, the body side a is additionally provided with chute between first check plate and second check plate, the connecting rod its Middle one end hinge is connected to blade, and for the connecting rod other end hinge-connection on first check plate, the blade can be in institute State in chute and slide, the other end of the rope is connected on the chute, described when first spring tension increases Blade can contact with the rope and cut off the rope.

Further, the double lower limb angiography tube according to claim, it is characterised in that：Second non-return described in the rope handle When plate is connected with the chute, the chute is pressed close in one end that second check plate connects the second spring.

Further, the double lower limb angiography tube according to claim, it is characterised in that：The check valve being made up of four sides This body section is square.

Compared to prior art, the utility model has the advantages that：The double lower limb angiography tube of utility model The crowd that being supplied to needs double lower limb radiography uses, in use, needing contrast agent using contrast agent syringe from the input pipe Pour into, then contrast agent exports along two efferent ducts and enters human body respectively, three on the three-way pipe Shandong Your joint is respectively used to connect contrast agent syringe and punctures the syringe needle of human body, in order to prevent whole radiography during blood back feelings Condition, one-way valve mechanism is respectively equipped with two efferent ducts；Because first spring has pulling force, though when contrast agent from Enter fashionable above the one-way valve mechanism, contrast agent is first to enter from the hinged end of first check plate and then popular described the One spring terminal, so now the pulling force of first spring is constant or reduces；When there is blood back situation, liquid is from described Flowed upward below one-way valve mechanism, now, the first check plate described in hydraulic shock connects one end of first spring, institute State the first spring tension and become big, until first check plate contacts with first catch, because first check plate is proper The internal channel of the unidirectional valve body can be blocked well, so now blood back is blocked so as to anti-return blood by first check plate.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model one-way valve mechanism.

Fig. 2 is the structural representation of the utility model double lower limb angiography tube.

Fig. 3 is the sectional view of the utility model one-way valve mechanism.

Embodiment

In order that technological means, creation characteristic, reached purpose that the utility model is realized more understand and are easy to acting on Understand, 1, accompanying drawing 2 and accompanying drawing 3 and embodiment are further elaborated to the utility model below in conjunction with the accompanying drawings：

The contrast agent for needing to illustrate inputs from the top of accompanying drawing 3, is exported from the lower section of accompanying drawing 3.

The utility model proposes a kind of double lower limb angiography tube, including three-way pipe 1 and be connected on the three-way pipe 1 three Individual female Luer 2, the three-way pipe 1 are included into input pipe and two efferent ducts, are respectively equipped with two efferent ducts unidirectional Valve system 3, the one-way valve mechanism 3 include the unidirectional valve body being made up of four sides and form internal channel, the unidirectional valve body A wherein body side 3a upper hinges be connected to the first check plate 4, the other end of the first check plate 4 is led to the body side 3a Cross pulling force the first spring 5 connect and can be corresponding with the body side 3a the unidirectional valve body in addition while being provided with First catch 6 is corresponding, when first check plate 4 contacts with first catch 6, the 4 lucky energy of the first check plate Block the internal channel of the unidirectional valve body.

The double lower limb angiography tube of the present utility model is supplied to the crowd for needing double lower limb radiography to use, in use, needing Contrast agent to be poured into from the input pipe using contrast agent syringe, then contrast agent exports simultaneously along two efferent ducts respectively Enter human body, three female Luers on the three-way pipe are respectively used to connect contrast agent syringe and puncture the pin of human body Head, in order to prevent whole radiography during blood back situation, be respectively equipped with one-way valve mechanism on two efferent ducts；Due to First spring has pulling force, even if when contrast agent enters fashionable above the one-way valve mechanism, contrast agent is first from described The hinged end of first check plate is into then popular first spring terminal, so now the pulling force of first spring is constant Or reduce；When there is blood back situation, liquid flows upward below the one-way valve mechanism, now, hydraulic shock institute State one end that the first check plate connects first spring, first spring tension becomes big, until first check plate with The first catch contact, because first check plate can block the internal channel of the unidirectional valve body just, so now Blood back is blocked so as to anti-return blood by first check plate, it is necessary to which explanation is that blood back impact described first stops when blood back The power for returning plate is consistently greater than drawing caused by the first spring described in when first check plate contacts with first catch Power, so as to set the tension coefficient of first spring.

As specific embodiment, first check plate 4 includes straight section and segmental arc two parts, when blood back starts, first The segmental arc is impacted, the straight section connects first spring 5, and first spring 5 has pulling force to the straight section all the time, First check plate 4 is furthered by the pulling force and presses close to the body side 3a.

As specific embodiment, when first spring 5 furthers first check plate 4 to press close to the body side 3a When, due to the segmental arc end to the body when 3a distance is less than the body 3a to the distance of its corresponding sides Half, so also will not be by the breathing section when now instant contrast agent flows into above the one-way valve mechanism 3 Block, so as to influence contrast agent input.

As specific embodiment, the double lower limb angiography tube also includes the second check plate 7 and connecting rod 8, and described second stops The wherein one end hinge-connection of plate 7 is returned on the body side 3a above first check plate 4, second check plate 7 is in addition One end by the second spring 10 with pressure be connected to body 3a while on 3a and with the body it is corresponding described in Unidirectional valve body is in addition while the second catch 9 being provided with is corresponding and this end is also associated with one end of rope 13, the body side 3a is additionally provided with chute 12, the connecting rod 8 wherein one end hinge between first check plate 4 and second check plate 7 Blade 11 is connected to, the blade 11 can slide in the chute 12, and the other end of the rope 13 is connected to the chute On 12, when blood back starts, liquid can impact first check plate 4, so now wherein one end of first check plate 4 Start to approach to first catch 6, so as to drive connecting rod 8 of the hinge-connection on first check plate 4 to move upwards, enter And the blade 11 is contacted with the rope 13 and cut off the rope 13, because the second spring 10 has pressure before this Power, it is described state rope 13 be cut off after, the second spring 10 promotes one end of second check plate 7 in the presence of elastic force It is rotated up around one end of its hinge-connection and is contacted with second catch 9, so as to plays the purpose for stopping blood back again.

As specific embodiment, when the rope 13 is connected second check plate 7 with the chute 12, described second The chute 12 is pressed close in one end that check plate 7 connects the second spring 10, so that it is guaranteed that when normally inputting contrast agent, institute State the second check plate 7 and furthered by the rope 13 and second check plate 7 is avoided at the chute 12 in the second spring Pressure effect under contacted in second catch 9 so as to block the input of contrast agent.

As specific embodiment, the unidirectional valve body section being made up of four sides produces described unidirectional for square placement Valve body.

Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model Enclose, it all should cover among right of the present utility model.

Claims (6)

1. double lower limb angiography tube, it is characterised in that：Including three-way pipe (1) and three Rule being connected on the three-way pipe (1) Joint (2), the three-way pipe (1) are included into input pipe and two efferent ducts, and check valve is respectively equipped with two efferent ducts Mechanism (3), the one-way valve mechanism (3) include the unidirectional valve body being made up of four sides and form internal channel, the check valve sheet Wherein body side (3a) upper hinge of body is connected to the first check plate (4), the first check plate (4) other end with described Body is at (3a) by there is the unidirectional valve body that the first spring (5) of pulling force connects and can be corresponding with (3a) during the body In addition while the first catch (6) being provided with is corresponding, when first check plate (4) contacts with first catch (6), institute The internal channel of the unidirectional valve body can be blocked just by stating the first check plate (4).

2. double lower limb angiography tube according to claim 1, it is characterised in that：First check plate (4) includes straight section and arc Shape section two parts, the straight section connect first spring (5), and first spring (5) has pulling force to the straight section all the time.

3. double lower limb angiography tube according to claim 2, it is characterised in that：When first spring (5) is stopped described first Return plate (4) to further when with the body side (3a) pressing close to, the end of the segmental arc is less than to the distance of the body side (3a) Half of the body side (3a) to the distance of its corresponding sides.

4. double lower limb angiography tube according to claim 1, it is characterised in that：The double lower limb angiography tube also includes the second non-return Plate (7) and connecting rod (8), second check plate (7) wherein one end hinge-connection are described above first check plate (4) On body side (3a), the second check plate (7) other end is connected to described by the second spring (10) with pressure Body is while on (3a) and corresponding with (3a) the during the body unidirectional valve body is in addition while the second catch (9) phase being provided with Corresponding and this end is also associated with one end of rope (13), and the body side (3a) is in first check plate (4) and described second Chute (12) is additionally provided between check plate (7), the connecting rod (8) wherein one end hinge is connected to blade (11), the connecting rod (8) other end hinge-connection is on first check plate (4), and the blade (11) can be slided in the chute (12), institute The other end for stating rope (13) is connected on the chute (12), when the first spring (5) pulling force increases, the blade (11) it can be contacted with the rope (13) and cut off the rope (13).

5. double lower limb angiography tube according to claim 4, it is characterised in that：The rope (13) is second check plate (7) when being connected with the chute (12), the cunning is pressed close in one end that second check plate (7) connects the second spring (10) Groove (12).

6. double lower limb angiography tube according to claim 1, it is characterised in that：The unidirectional valve body section being made up of four sides For square.