CN208372196U - A kind of suction tube and aspirator - Google Patents

Abstract

The utility model provides a kind of suction tube and aspirator, belongs to medical instruments field.Suction tube includes the first tube body, the second tube body, the first containing body and the second containing body.First tubular body forms feed pathway.Second tubular body forms liquid outlet channel.Filter chamber is formed inside first containing body, the first containing body is equipped with multiple filter hole being connected to filter chamber, and the first containing body is connect with the first tube body, and feed pathway is connected to filter chamber.Accommodating chamber is formed inside second containing body, the second containing body is equipped with opening, and the second containing body is connect with the second tube body.Second containing body is located in accommodating chamber, and the first tube body passes through opening far from one end of the first containing body and is located at outside the second containing body, the sealed passage being connected to liquid outlet channel is formed between the first containing body and the second containing body, sealed passage is connected to filter chamber by filter hole.Second containing body can play a role in filtering, and biggish impurity particle can be effectively prevent to enter in the second tube body, cause pipeline blockage.

Description

A kind of suction tube and aspirator

Technical field

The utility model relates to medical instruments fields, in particular to a kind of suction tube and aspirator.

Background technique

Aspirator can be used for being sucked out the liquid such as hematocele, exudate, fester in operation, keep operation clearer, reduce pollution Chance.Aspirator generally comprises getter device, drainage bottle and suction tube, and suction tube is connected to drainage bottle with getter device, inhales Device of air makes to generate negative pressure in drainage bottle when working, to make to generate negative pressure in suction tube, and then is sucked out in operation and needs to exclude Liquid.

In bone surgery, can generate the impurity such as a large amount of broken bone block, lipochondrion, suction tube and drainage bottle junction compared with To be narrow, these impurity are easily being resulted in blockage by suction tube with drainage bottle junction, are influenced surgical procedure, are given medical staff Bring great inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of suction tubes, are easy blocking to improve suction tube and drainage bottle junction The problem of.

The purpose of this utility model is to provide a kind of aspirators, are easy blocking to improve suction tube and drainage bottle junction The problem of.

The utility model is realized in this way:

Based on above-mentioned first purpose, the utility model provides a kind of suction tube, comprising:

First tube body, the first tubular body form feed pathway；

Second tube body, the second tubular body form liquid outlet channel；

First containing body, the first containing body inside form filter chamber, and the first containing body is connected to equipped with multiple with filter chamber Filter hole, the first containing body is set to one end of the first tube body, and feed pathway is connected to filter chamber；

Second containing body, the second containing body inside form accommodating chamber, and the second containing body is equipped with opening, and the second containing body is set In one end of the second tube body；

First containing body is located in accommodating chamber, and the first tube body passes through opening far from one end of the first containing body and is located at the second appearance It receives in vitro, forms sealed passage between the first containing body and the second containing body, sealed passage is connected to filter chamber by filter hole, out Liquid channel is connected to sealed passage.

Further, the first containing body has the first inner sidewall, and the first inner sidewall limits filter chamber, and the first inner sidewall is ball Shape.

Further, the first containing body has the first lateral wall, and the first lateral wall is spherical, in the first lateral wall and first Side wall is arranged concentrically.

Further, the second containing body has the second inner sidewall, and the second inner sidewall limits accommodating chamber, and the second inner sidewall is ball Shape, the second inner sidewall are arranged concentrically with the first lateral wall.

Further, multiple filter hole are uniformly distributed in the first lateral wall.

Further, the centre of sphere for going out liquid direction line and passing through the first inner sidewall of filter hole.

Further, the second containing body is equipped with ennation, and from opening to the second containing body, outside extends ennation, and first Tube body is located in ennation；

First tube body is equipped with locating part, and position limiting structure is equipped between locating part and ennation, opposite to limit the first tube body The axial movement of ennation.

Further, locating part forms holding tank open at one end, and ennation extends in holding tank；

Position limiting structure includes the limiting slot on the cell wall of holding tank and the protrusion on ennation, limiting slot packet It including annular groove and slides into slot, the one end for sliding into slot is connected to annular groove, and the other end for sliding into slot runs through one end of locating part opening, Protrusion is stuck in annular groove.

Further, it is equipped with crowded head part in holding tank and elastic component, crowded head part can be in a ring groove along the first tube bodies Axial movement, squeezing head part has binding face；

Elastic component, which has to drive, squeezes head part to the trend mobile close to the direction of ennation, so that binding face is remote with ennation The end face of one end from the second containing body contacts.

Based on above-mentioned second purpose, the utility model provides a kind of aspirator, including getter device, drainage bottle and above-mentioned Suction tube；

Liquid storage space is formed inside drainage bottle, drainage bottle is equipped with the inlet and air entry being connected to liquid storage space, the Two tube bodies are connect with drainage bottle, and liquid outlet channel is connected to inlet, and getter device is connected to air entry

The beneficial effects of the utility model are:

The utility model provides a kind of suction tube, in use, the second tube body will be connect with drainage bottle, sucked liquid is from first The feed pathway of tube body enters in the filter chamber of the first containing body, and liquid enters in sealed passage from filter hole, and final It is flowed out from the liquid outlet channel of the second tube body.Liquid during passing through filter hole, then can not in liquid by biggish impurity particle Pass through from filter hole, biggish impurity particle can then accumulate in the first containing body.First containing body is to biggish in liquid Impurity particle can play a role in filtering, and avoid that impurity particle enters the second tube body and the junction of drainage bottle results in blockage.

The utility model provides a kind of aspirator, including above-mentioned suction tube, has the advantages that all of above-mentioned suction tube.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the suction tube that the utility model embodiment 1 provides；

Fig. 2 is the schematic diagram that the first tube body shown in FIG. 1 is connect with the first connector；

Fig. 3 is the schematic diagram that the second tube body shown in FIG. 1 is connect with the second containing body；

Fig. 4 is the structural schematic diagram for the suction tube that the utility model embodiment 2 provides；

Fig. 5 is the partial enlarged view at V shown in Fig. 4；

Fig. 6 is the structural schematic diagram for the aspirator that the utility model embodiment 3 provides.

Icon: 100- suction tube；The first tube body of 10-；11- feed pathway；12- locating part；Hold 13- and receives slot；14- limit Slot；141- annular groove；142- slides into slot；The first containing body of 20-；21- filter chamber；22- filter hole；The first inner sidewall of 23-；24- First lateral wall；The second tube body of 30-；31- liquid outlet channel；The second containing body of 40-；41- accommodating chamber；The second inner sidewall of 42-；43- Second lateral wall；44- opening；45- sealed passage；46- ennation；461- protrusion；50- squeezes head part；51- binding face；60- bullet Property part；200- aspirator；210- getter device；220- drainage bottle；221- liquid storage space；222- inlet；223- air entry.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that indicating position or positional relationship is based on attached drawings Shown in orientation or positional relationship or the utility model product using when the orientation or positional relationship usually put, or Orientation or positional relationship that those skilled in the art usually understand or the utility model product using when usually put Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second " are only used for distinguishing description, it is not understood to indicate or imply relative importance.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.

Embodiment 1

As shown in Figure 1, the present embodiment provides a kind of suction tube 100, including the first tube body 10, the first containing body 20, second Tube body 30 and the second containing body 40.First containing body 20 is connect with the first tube body 10, and the second containing body 40 and the second tube body 30 connect It connects, the first containing body 20 is located in the second containing body 40.

Wherein, as shown in Fig. 2, the first tube body 10 is plastic tube, feed pathway 11 is formed inside the first tube body 10.First holds Body 20 of receiving is made of flexible plastic, can deform after stress.Filter chamber 21 is formed inside first containing body 20, first accommodates Body 20 is equipped with multiple filter hole 22.First containing body 20 has the first inner sidewall 23 and the first lateral wall 24, the first inner sidewall 23 and the second lateral wall 43 it is spherical, the first inner sidewall 23 is arranged concentrically with the first lateral wall 24, and the diameter of the first inner sidewall 23 is big In the outer diameter of the first tube body 10.First inner sidewall 23 is the first inside for limiting filter chamber 21, the i.e. cavity wall of filter chamber 21 Wall 23.All filter hole 22 are uniformly distributed in the first lateral wall 24, i.e., all filter hole 22 are evenly distributed in the first containing body On 20 entire spherical surface.In the present embodiment, filter hole 22 is taper hole.The first inner sidewall 23 is run through in one end of filter hole 22, so that Filter hole 22 is connected to filter chamber 21, and the other end of filter hole 22 runs through the first lateral wall 24.Filter hole 22 is through the first inside One end of wall 23 is less than one end that filter hole 22 runs through the first lateral wall 24, and filter hole 22 is through one end of the first inner sidewall 23 The internal diameter of the first tube body of size 10.The spherical shape of first inner sidewall 23 is located in the liquid direction line out of filter hole 22, filter hole 22 Liquid direction line is the axis of filter hole 22 out.

One end of first tube body 10 is connect by way of sweat soldering with the first containing body 20, the feed liquor of the first tube body 10 Channel 11 is connected to the filter chamber 21 of the first containing body 20.First tube body 10 extends along the radial direction of the first containing body 20.

As shown in figure 3, the second tube body 30 is plastic tube, the inside of the second tube body 30 forms liquid outlet channel 31.Second accommodates Body 40 is plastic material.Accommodating chamber 41 is formed inside second containing body 40.Second containing body 40 has the second inner sidewall 42 and the Two lateral walls 43, the second inner sidewall 42 and the second lateral wall 43 are spherical shape, and the second inner sidewall 42 and the second lateral wall 43 are concentric Setting, the diameter of the second inner sidewall 42 are greater than the internal diameter of the second tube body 30.Second inner sidewall 42 holds for limiting accommodating chamber 41 The cavity wall of chamber 41 received is the second inner sidewall 42.The diameter of second inner sidewall 42 is greater than the diameter of the first lateral wall 24.

One end of second tube body 30 is connect by way of sweat soldering with the second containing body 40, and the second tube body 30 goes out liquid Channel 31 is connected to the accommodating chamber 41 of the second containing body 40.Second tube body 30 extends along the radial direction of the second containing body 40.The The side opposite with the second tube body 30 is equipped with opening 44 on two containing body 40, and opening 44 is connected to accommodating chamber 41, be open 44 it is big It is small consistent with the outer diameter of the first tube body 10.

As shown in Figure 1, the second containing body 40 is located in accommodating chamber 41, the one end of the first tube body 10 far from the first containing body 20 Opening 44 on the second containing body 40 is located at outside the second containing body 40, the marginal position and the of the second containing body 40 opening 44 The outer wall of one tube body 10 is connected by way of sweat soldering, so that the second containing body 40 and the first tube body 10 are fixed.The After two containing body 40 and the first tube body 10 are fixed, in the first lateral wall 24 of the first containing body 20 and the second of the second containing body 40 Side wall 42 with one heart, forms sealed passage 45, the filtering mouth on the first containing body 20 between the first lateral wall 24 and the second inner sidewall 42 Sealed passage 45 is connected to filter chamber 21, liquid outlet channel 31 is connected to sealed passage 45.

In use, the second tube body 30 will be connect with drainage bottle, sucked liquid enters from the feed pathway 11 of the first tube body 10 Into the filter chamber 21 of the first containing body 20, liquid enters in sealed passage 45 from filter hole 22, and finally from the second tube body 30 liquid outlet channel 31 flows out.For liquid during passing through filter hole 22, biggish impurity particle then can not be from mistake in liquid Pass through in filter opening 22, biggish impurity particle can then accumulate in the first containing body 20.That is, the first containing body 20 is to liquid Biggish impurity particle can play a role in filtering in body, and impurity particle is avoided to enter the junction of the second tube body 30 and drainage bottle It results in blockage.

In the present embodiment, the first inner sidewall 23 of the first containing body 20 is spherical shape, and filter hole 22 is evenly distributed in first On inner sidewall 23, enable in filter chamber 21 that liquid in multiple directions from entering in sealed passage 45, so that in liquid Impurity particle all filter hole 22 on the second containing body 40 will not be made all to block, ensure that the logical of entire suction tube 100 Smooth shape.And filter hole 22 and axis direction pass through the first inner sidewall 23 the centre of sphere so that all filter hole 22 direction all Not identical, further ensuring the liquid in filter chamber 21 can enter in sealed passage 45 from multiple directions.In addition, filtering Hole 22 is taper hole, so that the first containing body 20 has good reverse cleaning ability.

In the present embodiment, the first lateral wall 24 of the first containing body 20 is spherical shape, the second inner sidewall of the second containing body 40 42 be also spherical shape, and the first lateral wall 24 is arranged concentrically with the second inner sidewall 42, so that the first lateral wall 24 and the second lateral wall 43 Between gap (sealed passage 45) uniformly, guarantee can uniformly be flowed from the liquid that filter hole 22 enters sealed passage 45.

Embodiment 2

As shown in figure 4, the difference with above-described embodiment is, the second containing body the present embodiment provides a kind of suction tube 100 40 are connect with the first tube body 10 using dismountable mode.

In the present embodiment, ennation 46 is equipped at the opening 44 of the second containing body 40.Ennation 46 is tubular structure, is extended Body 46 extends from the opening 44 of the second containing body 40 to the outside of the second containing body 40, ennation 46 it is same with the second tube body 30 Axis.The outer wall of ennation 46 is equipped with the protrusion 461 extended along 46 radial direction of ennation, and protrusion 461 is cylinder, convex The one end of portion 461 close to ennation 46 far from second containing body 40 out.

In addition, in the present embodiment, the first tube body 10 is equipped with locating part 12, and locating part 12 is cylinder, locating part 12 with The coaxial arrangement of first tube body 10.Locating part 12 forms open at one end 44 holding tank 13, and holding tank 13 is towards the first containing body 20. Holding tank 13 has opposite external groove sidevall and internal groove side wall, and the internal groove side wall of holding tank 13 is the lateral wall of the first tube body 10.It accommodates The external groove sidevall and internal groove side wall of slot 13 limit an annular space jointly.The external groove sidevall of holding tank 13 is equipped with limiting slot 14.Limit Slot 14 includes annular groove 141 and slide-in slot 142 on external groove sidevall.Annular groove 141 and the first tube body 10 are coaxially disposed, annular The width of slot 141 and the diameter of protrusion 461 match.Slide-in slot 142 is strip groove, axial cloth of the strip groove along locating part 12 It sets, slides into one end of slot 142 through one end of the opening of locating part 12 44, the other end for sliding into slot 142 is connected to annular groove 141.

As shown in figure 5, ennation 46 extends in holding tank 13 far from one end of the second containing body 40, on ennation 46 Protrusion 461 is stuck in annular groove 141, thus the axial movement of the opposite ennation 46 of the first tube body of limitation 10.Protrusion 461 with Limiting slot 14 is construed as limiting the position limiting structure that the first tube body 10 is relatively moved with ennation 46.Certainly, the first pipe is if desired unloaded When body 10, can be rotated the first tube body 10 is aligned protrusion 461 with slot 142 is slid into, and protrusion 461 can be skidded off from slot 142 is slid into, At this point, the first tube body 10 can move axially outward relative to ennation 46.When the opposite ennation 46 of the first tube body 10 moves axially outward When dynamic, 20 compressive deformation of the first containing body, the first containing body 20 will be skidded off out of ennation 46, final to realize 10 He of the first tube body The overall separation that the entirety of second containing body 40 composition and the second tube body 30 and the second containing body 40 form.

In addition, being equipped in holding tank 13 in the present embodiment and squeezing head part 50 and elastic component 60.Squeezing head part 50 is annular slice knot Structure squeezes the outside that head part 50 is sheathed on the first tube body 10, and squeezing head part 50 can be in holding tank 13 along the axial direction shifting of the first tube body 10 It is dynamic, it squeezes head part 50 and is slidingly sealed with the formation of the first tube body 10.Squeezing tool in 50 axial direction of head part, there are two end faces, and one of end face is Binding face 51.In the present embodiment, elastic component 60 is spring.Squeeze the end face and elastic component 60 of the one end of head part 50 far from binding face 51 Connection squeezes binding face 51 and the one end of ennation 46 far from the second containing body 40 of head part 50 in the position of elastic component 60 End face contact makes to squeeze head part 50 and the formation end face seal of ennation 46, enhances the leakproofness between ennation 46 and the first tube body 10. In addition, under the action of crowded head part 50, protrusion 461 will be in close contact with the cell wall of annular groove 141 so that the first tube body 10 with It will not rotate, avoid when using suction tube 100 easily between ennation 46, make because the first tube body 10 is rotated with ennation 46 Protrusion 461 slides into from annular groove 141 and slides into slot 142, so that the first tube body 10 be caused to be detached from ennation 46.At other In embodiment, elastic component 60 can also be other flexible objects, such as elastic rubber.

A kind of guiding tube provided in this embodiment can easily realize the disassembly of the first tube body 10 and the second containing body 40, It is replaced convenient for the entirety to the first tube body 10 and the first containing body 20 composition.

Remaining structure of the present embodiment is same as Example 1, and details are not described herein.

Embodiment 3

As shown in fig. 6, the present embodiment provides a kind of aspirator 200, including getter device 210, drainage bottle 220 and embodiment Suction tube 100 in 2.

Liquid storage space 221 is formed inside drainage bottle 220, drainage bottle 220 is equipped with the inlet being connected to liquid storage space 221 222 and air entry 223, the second tube body 30 connect far from one end of the second containing body 40 with drainage bottle 220, liquid outlet channel 31 with into Liquid mouth 222 is connected to, and getter device 210 is connected to by pipeline with air entry 223.

The effect of getter device 210 is the gas extracted in drainage bottle 220, to make in drainage bottle 220 and suction tube 100 Negative pressure is formed, suction tube 100 liquid such as hematocele, exudate, fester, the liquid that suction tube 100 is sucked out can will store in exsuccation In drainage bottle 220.

A kind of aspirator 200 provided in this embodiment, since there is the first containing body 20 in suction tube 100 filtering to make With can effectively avoid suction tube 100 and result in blockage with 220 junction of drainage bottle.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of suction tube characterized by comprising

First tube body, first tubular body form feed pathway；

Second tube body, second tubular body form liquid outlet channel；

First containing body, the first containing body inside form filter chamber, and first containing body is equipped with the multiple and mistake The filter hole of filter chamber connection, first containing body are set to one end of first tube body, the feed pathway and the filtering Chamber connection；

Second containing body, the second containing body inside form accommodating chamber, and second containing body, which is equipped with, to be open, and described second Containing body is set to one end of second tube body；

First containing body is located in the accommodating chamber, and first tube body passes through institute far from one end of first containing body It states opening to be located at outside second containing body, forms sealed passage between first containing body and second containing body, it is described Sealed passage is connected to the filter chamber by the filter hole, and the liquid outlet channel is connected to the sealed passage.

2. suction tube according to claim 1, which is characterized in that first containing body has the first inner sidewall, described First inner sidewall limits the filter chamber, and first inner sidewall is spherical shape.

3. suction tube according to claim 2, which is characterized in that first containing body has the first lateral wall, described First lateral wall is spherical shape, and first lateral wall is arranged concentrically with first inner sidewall.

4. suction tube according to claim 3, which is characterized in that second containing body has the second inner sidewall, described Second inner sidewall limits the accommodating chamber, and second inner sidewall is spherical shape, second inner sidewall and first lateral wall It is arranged concentrically.

5. suction tube according to claim 3, which is characterized in that multiple filter hole are uniformly distributed in described first Lateral wall.

6. suction tube according to claim 2, which is characterized in that the liquid direction line that goes out of the filter hole passes through described first The centre of sphere of inner sidewall.

7. suction tube according to claim 1, which is characterized in that second containing body is equipped with ennation, described to prolong It stretches body to be open from described to extension on the outside of second containing body, first tube body is located in the ennation；

First tube body is equipped with locating part, and position limiting structure is equipped between the locating part and the ennation, described in limitation Axial movement of first tube body with respect to ennation.

8. suction tube according to claim 7, which is characterized in that the locating part forms holding tank open at one end, institute Ennation is stated to extend in the holding tank；

The position limiting structure include set on the holding tank cell wall on limiting slot and the protrusion on ennation, it is described Limiting slot includes annular groove and slides into slot, and described one end for sliding into slot is connected to annular groove, and the other end for sliding into slot runs through One end of the locating part opening, the protrusion are stuck in the annular groove.

9. suction tube according to claim 8, which is characterized in that be equipped in the holding tank and squeeze head part and elastic component, institute Stating crowded head part can be in the annular groove along the axial movement of first tube body, and squeezing head part has binding face；

The elastic component, which has, drives the crowded head part to the trend mobile close to the direction of the ennation, so that the fitting The end face of the one end of face with the ennation far from second containing body contacts.

10. a kind of aspirator, which is characterized in that including getter device, drainage bottle and the described in any item attractions of claim 1-9 Pipe；

Liquid storage space is formed inside the drainage bottle, the drainage bottle is equipped with the inlet being connected to the liquid storage space and suction Port, second tube body are connect with the drainage bottle, and the liquid outlet channel is connected to the inlet, the getter device with The air entry connection.