CN207640793U - A kind of New drainage tube - Google Patents

Abstract

The utility model discloses a kind of New drainage tubes, it includes drainage outer tube, drain inner tube, conduction hole and lid connector, the drainage outer tube has drainage proximal outer tube and drainage distal outer tube, the drainage inner tube has drainage inner tube proximal end and drainage inner tube distal end, the drainage distal outer tube merges with drainage inner tube distal end and is connected with the lid connector with inside and outside autonomous channel at the nozzle of proximal end, the drainage inner tube is nested in the drainage outer tube, the conduction hole is set on the drainage outer tube and the tube wall of drainage inner tube, the lid connector includes lid ontology, outer tube passage and inner pipe passway, the drainage outer tube is in communication with the outside by the outer tube passage, the drainage inner tube is in communication with the outside by said inner tube channel.The New drainage tube reasonable design, easy operation of the utility model design, be provided simultaneously with anti-clogging, anti-fracture, noninvasive lavation, efficiently drainage the features such as.

Description

A kind of New drainage tube

Technical field

The utility model is related to the field of medical instrument technology, and in particular to a kind of New drainage tube.

Background technology

Drainage tube is the common medical equipment of Clinical Surgery, purulence, blood for excluding to gather between tissue or in body cavity, The pungents such as liquid reduce sepage and are detained, promote inflammatory resolution, reach the mesh ease off the pressure, relieve pain, reducing inflammation 's.By the drainage of drainage tube, is conducive to the healing of wound and new infection and diffusion can be prevented.It clinically uses at present Drainage tube type it is very much, have the drainage tubes such as urethra, thoracic cavity, encephalocoele, gastrointestinal tract, biliary tract.

The drainage tube clinically used at present is mostly single cavity structure, and the conduction hole of drainage tube is less so that and drainage is insufficient, Some drainage tube apertures are larger, but be susceptible to drainage excessively, adsorb the problems such as other objects, injury tissue, drainage effect is not It is ideal.In drainage process, drainage tube is also easy to block or be broken, and influences to use.For drainage, general drainage speed Degree is all unsuitable too fast, when such as courage and uprightness drain, if it exceeds 200mL/H just needs to detect situation and stop blooding, and in low amounts drainage In the case of have certain drainage resistance, influence drainage efficiency.A patent (CN201620064325.0) disclosed in China Devise a kind of double-sleeve drainage tube, although can also accomplish anti-clogging, the drainage tube it is complicated, it is cumbersome, it is unfavorable In utilization and extention, while the drainage tube is also and the problem of unresolved drainage efficiency.So safely and effectively fully to drain, having must It is further improved the structure of existing drainage tube.

Utility model content

For overcome the deficiencies in the prior art, good, drainage effect that the purpose of this utility model is to provide a kind of drainage effects Rate height, anti-clogging, while being not easily broken, the New drainage tube smaller to tissue damage.

To achieve the above object, the utility model provides a kind of New drainage tube first comprising in drainage outer tube, drainage Pipe, conduction hole and lid connector,

Wherein, there is the drainage outer tube drainage proximal outer tube and drainage distal outer tube, the drainage inner tube to have drainage Inner tube proximal end and drainage inner tube distal end, the drainage distal outer tube are merged with drainage inner tube distal end and are closed at nozzle, The drainage inner tube is nested in the drainage outer tube；

The conduction hole is set on the drainage outer tube and the tube wall of drainage inner tube；

The lid connector includes lid ontology, outer tube passage and inner pipe passway, and the outer tube passage and said inner tube are logical Road is set on the lid ontology, and the drainage proximal outer tube and the drainage inner tube proximal end are separately fixed at the lid sheet On body, the drainage outer tube is in communication with the outside by the outer tube passage, and the drainage inner tube is by said inner tube channel and outside Boundary is connected to.

In order to make lid connector preferably be fixedly connected with drainage tube, it is preferred that the lid connector further includes outer tube buckle It is buckled with inner tube, the outer tube buckle and said inner tube buckle clamping drainage outer tube respectively and drainage inner tube.

The drainage tube also needs to connect with negative pressure device, realizes inner and outer pipes pressure difference.Preferably, the lid connector is also It is connected with threeway, the outer tube passage and inner pipe passway of the lid connector are connect with threeway respectively.The drainage outer tube and described Drainage inner tube is connected to by threeway with negative pressure device, by adjusting inner and outer pipes difference pressure difference, realizes different drainage effects.

Gross distortion occurs under external force for drainage tube in order to prevent, it is preferred that the drainage outer tube and drainage inner tube Between be fixedly provided with longitudinal resistance to compression item.Preferably, the resistance to compression item is cylindrical resistance to compression item, one end and the drainage Outer/inner pipe distal end fusion connection, the other end extend to the outer/inner pipe proximal end of drainage.Preferably, described fixed for fusion company It connects.Resistance to compression item be by one it is continuous, cylindrical, between inner and outer pipes and the strip that merges therewith, external force can be prevented The lower drainage tube obliteration of effect, influences to drain, in addition it also has certain anti-fracture effect.

Preferably, the resistance to compression item is also soaked with barium agent, and has scale development mark.Under X-ray, the resistance to compression item for soaking barium can Realize development, the position convenient for observation drainage tube and traveling, and the crack conditions of drainage tube are monitored, scale developing mark can help Judge that drainage tube passes in and out length.

The drainage tube of the utility model design uses two-tube Nested design, can be enabled after interior blockage or fracture outer Pipe, while different negative pressure patterns can be adjusted, realize the drainage effect to different zones in drainage pathway.

In order to improve drainage resistance, improve drainage efficiency, it is preferred that the conduction hole according to diameter by the drainage outside/ To draining, outer/inner pipe proximal end gradually increases or reduces or constant Cahn-Ingold-Prelog sequence rule arranges for inner tube distal end.

The setting range of conduction hole is pre-designed according to the length in drainage region on the drainage outer tube wall.It is preferred that , on the conduction hole setting ranging from tube wall of distance drainage distal outer tube end 5-10cm on the drainage outer tube.

Drainage tube drains outer tube in use, the tension for acting on drainage tube proximal end is greater than the tension of distal end in order to prevent Fracture, it is preferred that it is described drainage outer tube on conduction hole according to diameter from drainage distal outer tube to drainage proximal outer tube it is gradual The Cahn-Ingold-Prelog sequence rule of reduction arranges.

It is unobstructed when in order to ensure to drain interior Tube Drain, the pressure of drainage inner tube distal end is made by adjusting drainage diameter of inner pipe It is identical or close as proximal end.Preferably, the drainage inner tube is conical pipe, and pipe shaft diameter is from drainage inner tube distally to drainage Inner tube proximal end is gradually reduced.

Advantageous effect

The New drainage tube reasonable design, easy operation of the utility model design, is provided simultaneously with anti-clogging, anti-fracture, nothing The features such as creating lavation, efficiently drainage, dual tube designs are conducive to anti-clogging, anti-fracture, while can adjust different negative pressure patterns, reality Now to the drainage effect of different zones in drainage pathway, drainage resistance can be reduced by draining the design of pore, drain diameter of inner pipe Design can ensure the unobstructed of drainage.

Description of the drawings

The schematic diagram of Fig. 1 the utility model drainage tubes；

The sectional view of Fig. 2 the utility model drainage tubes；

The schematic diagram of drainage tube stage casing cross section in one embodiment of Fig. 3 the utility model；

Inner tube and drainage outer tube schematic diagram are drained in one embodiment of Fig. 4 the utility model；

This drainage inner tube and drainage outer tube schematic diagram in another embodiment of Fig. 5 the utility model.

Reference numeral is as follows in figure：

Drainage outer tube 1, drainage inner tube 2, conduction hole 3, lid connector 4, threeway 5, resistance to compression item 6 drain proximal outer tube 11, draw Stream distal outer tube 12, drainage inner tube proximal end 21, drainage inner tube distal end 22, lid ontology 41, outer tube passage 42, inner pipe passway 43, Outer tube buckle 44, inner tube buckle 45.

Specific implementation mode

The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.

As shown in Figure 1 and Figure 2, the utility model provides a kind of New drainage tube first comprising in drainage outer tube 1, drainage Pipe 2, conduction hole 3 and lid connector 4,

Wherein, there is the drainage outer tube 1 drainage proximal outer tube 11 and drainage distal outer tube 12, the drainage inner tube 2 to have There are drainage inner tube proximal end 21 and drainage inner tube distal end 22, the drainage distal outer tube 12 merges simultaneously with drainage inner tube distal end 22 It is closed at nozzle, the drainage inner tube 2 is nested in inside the drainage outer tube 1；

The conduction hole 3 is set on the drainage outer tube 1 and the tube wall of drainage inner tube 2；

The lid connector 4 includes lid ontology 41, outer tube passage 42 and inner pipe passway 43, the outer tube passage 42 and institute It states inner pipe passway 43 to be set on the lid ontology 41, the drainage proximal outer tube 11 and the drainage inner tube proximal end 21 difference It is fixed on the lid ontology 41, the drainage outer tube 1 is in communication with the outside by the outer tube passage 42, the drainage inner tube 2 are in communication with the outside by said inner tube channel 43.

In order to make lid connector preferably be fixedly connected with drainage tube, in one implements, the lid connector further includes outer tube Buckle 44 and inner tube buckle 45, the outer tube buckle 44 and 45 difference clamping drainage outer tube 1 of said inner tube buckle and drainage inner tube 2。

In order to realize different drainage effects, as shown in Fig. 2, in one implements, the lid connector 4 is also associated with threeway 5, The outer tube passage 42 and inner pipe passway 43 of the lid connector are connected respectively at threeway 5, and threeway 5 is also connected with negative pressure device, described Drainage outer tube 1 and the drainage inner tube 2 are connected to by threeway 5 with negative pressure device, such as the wall negative pressure equipment in medical supply unit, are led to It crosses external pressure equipment and pressure is provided, the pressure difference for adjusting the drainage outer tube 1 and the drainage inner tube 2 forms different negative pressure moulds Formula realizes that different drainage effects, concrete condition are as shown in table 1：

The different drainage effects of 1 inner and outer pipes difference negative pressure pattern of table

External pressure makes drainage tube deform in order to prevent, in one embodiment, between the drainage outer tube 1 and drainage inner tube 2 also It is installed with longitudinal resistance to compression item 6.The resistance to compression item 6 is the resistance to compression item of cylinder, one end and the outer/inner pipe distal end of the drainage 12/22 fusion connection, the other end extend to the outer/inner pipe proximal end of the drainage 11/21.It is described fixed for fusion connection.In this reality It applies in example, the drainage outer tube and drainage inner tube are straight-tube shape pipe, and pipe shaft constant diameter is constant, as shown in figure 3, it is drainage Pipe interrupts cross-sectional view, and the pressure from the directions A may cause 1 part of drainage outer tube to press off, but due to described The presence of resistance to compression item 6, the drainage inner tube 2 are protected well；Pressure from the directions B may lead to the drainage inner tube 2 press off, but the drainage of the drainage outer tube can be protected.

In a preferred embodiment, the resistance to compression item 6 is also soaked with barium agent, and has scale developing mark.Under X-ray, leaching There is the resistance to compression item 6 of barium agent that can realize development, convenient for the crack conditions of the position of observation drainage tube, traveling and drainage tube, if gone out Now fracture can also judge the position of fracture.And scale developing mark can help to judge that drainage tube passes in and out length.

The utility model design drainage tube use two-tube Nested design, can anti-clogging, in use, first with drainage inner tube 2 are drained, because drainage 2 pressure of inner tube is small, it is possible to reduce the damage to tissue.It can be enabled if drainage inner tube 2 blocks It drains outer tube 1 to drain, the pressure difference by adjusting inner and outer pipes realizes the different flow directions of inner and outer pipes gap, to realize nothing Create lavation.

The pipe shaft shape of the drainage outer tube 1 of the utility model can need to carry out the design of arbitrary shape according to practical operation, Preferably, the drainage outer tube 1 is straight-tube shape pipe, and pipe shaft diameter keeps permanent from drainage distal outer tube 12 to drainage proximal outer tube 11 It is fixed.In addition, the 1 pipe shaft diameter of drainage outer tube is gradually increased or reduced from drainage distal outer tube 12 to drainage proximal outer tube 11, Also it is the range that the utility model is protected.

The pipe shaft shape of the drainage inner tube 2 of the utility model can need to carry out the design of arbitrary shape according to practical operation, Preferably, the drainage inner tube 2 is conical pipe, and pipe shaft diameter is gradually subtracted from drainage inner tube distal end 22 to 21 proximal end of drainage inner tube Small, caliber gradual design can ensure to drain unobstructed.In addition, drainage 2 pipe shaft diameter of inner tube is from drainage inner tube distal end 22 to drainage The gradually increase or constant of inner tube proximal end 21, is also the range that the utility model is protected.

The design of the conduction hole of the utility model, Diameter Gradual Change can improve drainage resistance.The conduction hole 4 is according to diameter It is gradually increased or reduced or constant sequence rule from the drainage outer/inner pipe distal end 12/22 to draining outer/inner pipe proximal end 11/21 Then arrange.According to those skilled in the art's needs, when low amounts drains, can be selected according to the requirement of different drainage resistances It selects.Meanwhile the setting range of conduction hole 4 is pre-designed according to the length in drainage region on drainage 1 tube wall of outer tube, allusion quotation Type length is 5-10cm.

In a preferred embodiment, as shown in figure 4, the drainage outer tube 1 is straight-tube shape pipe, pipe shaft diameter is by drainage outer tube Distally 12 kept constant to 11 proximal end of drainage outer tube.Conduction hole 3 on the drainage outer tube 1 is according to diameter by drainage distal outer tube The 12 Cahn-Ingold-Prelog sequence rule arrangements being gradually reduced to drainage proximal outer tube 11.The drainage inner tube 2 is conical pipe, and pipe shaft diameter is by drawing Stream inner tube distal end 22 is gradually reduced to drainage inner tube proximal end 21.When drainage, the negative pressure in pipeline is first discharged in proximal end, distal end caliber Greatly, drainage can be more unobstructed.The conduction hole 3 of the drainage inner tube 2 is according to diameter from drainage inner tube distal end 22 to drainage inner tube proximal end The 21 Cahn-Ingold-Prelog sequence rule arrangements being gradually reduced.

In another preferred embodiment, as shown in figure 5, it is described drainage inner tube 2 conduction hole 3 according to diameter by drainage inner tube Distally 22 arranged to 21 gradual increased Cahn-Ingold-Prelog sequence rule of drainage inner tube proximal end.

Although above having made detailed description to the utility model with a general description of the specific embodiments, But on the basis of the utility model, it can be made some modifications or improvements, this is aobvious and easy to those skilled in the art See.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model Claimed range.

Claims (9)

1. a kind of New drainage tube, which is characterized in that it includes drainage outer tube, drains inner tube, conduction hole and lid connector,

Wherein, there is the drainage outer tube drainage proximal outer tube and drainage distal outer tube, the drainage inner tube to have drainage inner tube Proximal end and drainage inner tube distal end, the drainage distal outer tube and the drainage inner tube distally merge and at the nozzles of proximal end and lid Connector is connected, and the drainage inner tube is nested in the drainage outer tube；

The conduction hole is set on the drainage outer tube and the tube wall of drainage inner tube；

The lid connector includes lid ontology, outer tube passage and inner pipe passway, and the outer tube passage and said inner tube channel are set It is placed on the lid ontology, the drainage proximal outer tube and the drainage inner tube proximal end are separately fixed at the lid ontology On, the drainage outer tube is in communication with the outside by the outer tube passage, and the drainage inner tube passes through said inner tube channel and the external world Connection.

2. drainage tube as described in claim 1, which is characterized in that the lid connector further includes outer tube buckle and interior pipe clamp Button, the outer tube buckle and said inner tube buckle difference clamping drainage outer tube and drainage inner tube.

3. drainage tube as described in claim 1, which is characterized in that the lid connector is also associated with threeway, and the lid connects The outer tube passage and inner pipe passway of head are connect with threeway respectively.

4. drainage tube as described in claim 1, which is characterized in that be fixedly provided between the drainage outer tube and drainage inner tube vertical To resistance to compression item.

5. drainage tube as claimed in claim 4, which is characterized in that the resistance to compression item is also soaked with barium agent, and has scale development mark Know.

6. drainage tube as claimed in any one of claims 1 to 5, wherein, which is characterized in that the conduction hole is according to diameter by described Draining outer/inner pipe distal end, outer/inner pipe proximal end gradually increases or reduces or constant Cahn-Ingold-Prelog sequence rule arranges to draining.

7. drainage tube as claimed in claim 6, which is characterized in that the conduction hole on the drainage outer tube is according to diameter by draining The Cahn-Ingold-Prelog sequence rule arrangement that distal outer tube is gradually reduced to drainage proximal outer tube.

8. drainage tube as claimed in claim 7, which is characterized in that the conduction hole setting ranging from distance on the drainage outer tube On the tube wall for draining distal outer tube end 5-10cm.

9. drainage tube as claimed in any one of claims 1 to 5, wherein, which is characterized in that the drainage inner tube is conical pipe, pipe Body diameter is gradually reduced from drainage inner tube distal end to drainage inner tube proximal end.