CN204411478U - A kind of blockage resisting wound drainage pipe - Google Patents

Abstract

This utility model relates to a kind of blockage resisting wound drainage pipe, compared with prior art solves the susceptible to plugging defect of wound drainage pipe.This utility model comprises drainage tube body (1), the outlet (11) of drainage tube body (1) is connected to negative pressure suction device (2), also comprise air inlet pipe (3), outside the tube wall that described air inlet pipe (3) is attached to drainage tube body (1) and the outlet side (31) of air inlet pipe (3) communicates with the import (12) of drainage tube body (1).This utility model can prevent suppurate tissue or the blocking of hydrops in drainage tube, preferably for the drain in hydrops or suppurative wound.

Description

A kind of blockage resisting wound drainage pipe

Technical field

This utility model relates to technical field of medical instruments, specifically a kind of blockage resisting wound drainage pipe.

Background technology

In surgical clinical, when there is otch subcutaneous infection or hydrops, conventional Therapeutic Method is open incision, expands wound surface and carries out dressing change.Once wound opens wide, the time of dressing change is very long, generally just may be fresh at about 1 month wound granulation tissue, be applicable to again sewing up, and it is high again to sew up rear wound tension force, after healing, cicatrix is large, and therefore wound drainage pipe is widely used in the drain cleaning of otch subcutaneous infection or hydrops.The wound drainage pipe of current use in scale removal process, the situation that the infected tissue of suction or the as easy as rolling off a log appearance of hydrops block mutually.

Though there is the process for wound surface in prior art, use the Wound-surface negative pressure closed drainage system (Vacuum Sealing Drainage, VSD) being mainly used in skin wound.And for subcutaneous infection and hydrops, then must expand wound surface, dressing is filled in wound deep, the sucker of the outer connecting band conduit of dressing, whole wound surface uses biological semi-permeable membrane closure.This application of installation is in the shortcoming of subcutaneous infection and hydrops: 1, need to expand wound; 2, the pore of ventilative dressing easily blocks, and drainage effect reduces; 3, costly.

The patent No. is 201210292952.6, and name is called the patent effectively can removing the drainage system of obturator, discloses the technology can removing obturator.But this technical scheme structure is too complicated, high cost, and operation is inconvenience extremely, cannot apply in practice.

How to develop a kind of with low cost, use simple, can prevent from the wound drainage pipe blocked from having become being badly in need of the technical problem solved.

Utility model content

The purpose of this utility model is to solve the susceptible to plugging defect of wound drainage tube in prior art, provides a kind of blockage resisting wound drainage pipe to solve the problems referred to above.

To achieve these goals, the technical solution of the utility model is as follows:

A kind of blockage resisting wound drainage pipe, comprise drainage tube body, the outlet of drainage tube body is connected to negative pressure suction device, also comprises air inlet pipe, and outside the tube wall that described air inlet pipe is attached to drainage tube body and the outlet side of air inlet pipe communicates with the import of drainage tube body.

The caliber of described air inlet pipe is 1/4 to 1/3 of drainage tube body caliber.

Described drainage tube body is positioned at inlet end place and has side opening.

Also comprise liquid or gas input adapter, the inlet end of described air inlet pipe connects with liquid or gas input adapter.

beneficial effect

A kind of blockage resisting wound drainage pipe of the present utility model, compared with prior art can prevent suppurate tissue or the blocking of hydrops in drainage tube, preferably for the drain in hydrops or suppurative wound.By the design of air inlet pipe, ensure the flowing having gas or liquid in drainage tube all the time, avoid the blocking that multiple suppuration is organized or hydrops causes.Have the advantages that structure is simple, with low cost, be applicable to except thoracic cavity as drain in mammary gland and thyroid operation wound.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Wherein, 1-drainage tube body, 2-negative pressure suction device, 3-air inlet pipe, 4-liquid or gas input adapter, 11-outlet, 12-import, 13-side opening, 31-outlet side, 32-inlet end.

Detailed description of the invention

For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:

As shown in Figure 1, a kind of blockage resisting wound drainage pipe described in the utility model, comprise drainage tube body 1, the outlet 11 of drainage tube body 1 is connected to negative pressure suction device 2.Negative pressure suction device 2 provides lower negative pressure (0.02 ~ 0.006Kpa) to continue to attract, and forms the suction of import 12 to the outlet 11 of drainage tube body 1.But this suction stretches into the depth, the size of suction suppuration, the dense thick of hydrops of wound along with drainage tube body 1, very easily produces blocking.In order to address this problem, introduce the design of air inlet pipe 3.Air inlet pipe 3 is attached to outside the tube wall of drainage tube body 1, and air inlet pipe 3 can be bonded on the tube wall of drainage tube body 1, and the tube wall object that air inlet pipe 3 is attached to drainage tube body 1 is to stretch into wound with drainage tube body 1 preferably.The outlet side 31 of air inlet pipe 3 communicates with the import 12 of drainage tube body 1, and the gas namely in air inlet pipe 3 can enter drainage tube body 1, and the position entered is import 12 place at drainage tube body 1.

Because air inlet pipe 3 is only to provide the conveying of gas or liquid, in order to use in company with drainage tube body 1 more easily, the caliber of air inlet pipe 3 can be 1/4 to 1/3 of drainage tube body 1 caliber.In order to more efficient drain, drainage tube body 1 is positioned at inlet end 31 place and has side opening 13, hydrops or suppuration are organized and not only can be sucked by the import 12 of drainage tube body 1, also can be sucked by side opening 13.In order to increase result of use, preventing choking phenomenon better, liquid or gas input adapter 4 can also be comprised.The inlet end 32 of air inlet pipe 3 connects liquid or gas input adapter 4, and can be now gas in air inlet pipe 3, also can be liquid, and namely toward conveying liquid in drainage tube body 1, hydrops or suppuration can better prevent under being organized in the drive of liquid blocking.

During actual use, air inlet pipe 3 together inserts infection or fluid collection chamber deep in company with drainage tube body 1, and under the effect of negative pressure suction device 2, drainage tube body 1 carries out continuous negative pressure drainage.Now air inlet pipe 3 is also under the effect of negative pressure suction device 2, all the time toward the import 12 place conveying gas of drainage tube body 1, makes have gas to flow in drainage tube body 1 all the time.The suppuration tissue just drunk up by drainage tube body 1 or hydrops also do not form blocking, namely under the effect of flowing gas to siphoning away, define the constant traffic in drainage tube body 1, avoid produce blocking.In like manner, when the better blockage resisting effect of needs, the inlet end 32 of air inlet pipe 3 is accessed liquid or gas input adapter 4, and make to form liquid flow or better gas flowing in drainage tube body 1, suppuration tissue or hydrops can better prevent from blocking under the drive of liquid.

More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and description; under the prerequisite not departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that this utility model requires is defined by appending claims and equivalent thereof.

Claims (4)

1. a blockage resisting wound drainage pipe, comprise drainage tube body (1), the outlet (11) of drainage tube body (1) is connected to negative pressure suction device (2), it is characterized in that: also comprise air inlet pipe (3), outside the tube wall that described air inlet pipe (3) is attached to drainage tube body (1) and the outlet side (31) of air inlet pipe (3) communicates with the import (12) of drainage tube body (1).

2. a kind of blockage resisting wound drainage pipe according to claim 1, is characterized in that: the caliber of described air inlet pipe (3) is 1/4 to 1/3 of drainage tube body (1) caliber.

3. a kind of blockage resisting wound drainage pipe according to claim 1, is characterized in that: described drainage tube body (1) is positioned at inlet end (31) place and has side opening (13).

4. a kind of blockage resisting wound drainage pipe according to claim 1, it is characterized in that: also comprise liquid or gas input adapter (4), the inlet end (32) of described air inlet pipe (3) connects with liquid or gas input adapter (4).