CN211634809U - Disposable thoracic drainage tube - Google Patents

Abstract

The utility model discloses a disposable thoracic drainage tube belongs to medical instrument technical field, comprises pricking pipe, drainage tube, three-way valve, joint, and the drainage tube cover is located and pricks the outside of tubes, and its front end sets up to the pig afterbody, and terminal and prick the pipe and seal and be connected, and be close to the end and be equipped with and enable it along pricking the extension portion that pierces outer pipe wall antedisplacement and let prick the nose portion and hide its pig afterbody, the three-way valve respectively with connect and prick the union coupling. The utility model discloses can avoid pricking other organs or tissues that the pipe inwards slided and touched or even stabbed the thorax, can also avoid pegging graft pump drainage device repeatedly, the simplified operation.

Description

Disposable thoracic drainage tube

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to disposable thoracic drainage tube.

Background

Pneumothorax is also called as lung membrane puncture and lung burst, and means that air enters into pleural cavity to cause air pressure in pleural cavity to rise, when the air pressure exceeds the range that human body can bear, the lung is squeezed, chest pain, chest distress, dyspnea and shock are caused to a patient, and if the patient is not treated in time, the patient can die. In the treatment of pneumothorax, first, exhaustion is considered, and the lung is very early reopened by relieving the compression symptom through exhaustion.

Pleural effusion is a common clinical condition characterized by pathological fluid accumulation within the pleural cavity. The pleural cavity is a potential clearance between visceral layer and parietal pleura, has 5 ~ 15ml liquid in the normal people pleural cavity, plays lubricated effect when respiratory motion, has 500 ~ 1000 ml's liquid to form and absorb in the pleural cavity every day, and any reason leads to the production of pleural cavity intracavity liquid to increase or absorb and reduce, can produce pleural effusion.

Chest puncture bag equipment that is usually adopted to pneumothorax exhaust or pleural effusion puncture drawing liquid in clinical surgery, it includes: vascular clamps, chest puncture needles, catheters, syringes, and the like; the operation is that the chest puncture needle is arranged on a catheter, one end of the needle head of the chest puncture needle is inserted into the chest cavity, and the catheter performs air suction or liquid suction by matching vascular forceps and an injector, so that pneumatosis or effusion is discharged from the chest cavity to balance pressure. However, the medical devices used in this manner have several problems: firstly, the equipment is various in types and complicated to operate; secondly, after the needle tip part is inserted into the thoracic cavity, the needle tip part is not beneficial to ensuring the further insertion of the needle head or withdrawing from the thoracic cavity pneumatosis or hydrops area to influence the exhaust or liquid discharge in the process of multiple operations of the injector; thirdly, because of the operating table space is limited, and the pipe does not possess the shutdown function, need supplementary extra medical personnel usually to carry out the centre gripping cooperation to it through vascular pincers at pump drainage pneumatosis or hydrops in-process, the single operation of surgeon of not being convenient for.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a disposable thoracic drainage tube with simple structure and convenient operation, so as to solve the above problems.

The utility model discloses a realize through following technical scheme:

the utility model provides a pair of disposable thoracic drainage tube comprises pricking pipe, drainage tube, three-way valve, joint, and the drainage tube cover is located and pricks the outside of tubes, and its front end sets up to the pig afterbody, and terminal with prick the pipe and seal and be connected, and be close to the end and be equipped with and enable it along pricking the extension portion that pierces outer pipe wall antedisplacement and let to prick the nose portion and hide its pig afterbody, the three-way valve respectively with connect and prick the union coupling.

Furthermore, two or more than two oval side holes are formed in the pig tail part of the drainage tube.

Further, the extension part of drainage tube is organ structure.

Further, the drainage tube is made of medical polyurethane material.

Further, the three-way valve includes the body and locates the spool that the body is internal and swing joint, and the body comprises with violently managing by the standpipe that is the cross, and the spool comprises the section of drawing, solid section, bridging section, the hollow section that top-down set gradually, and the section of drawing can support in standpipe mouth of pipe department, and solid section and hollow section and standpipe tight fit, the diameter of bridging section is far less than the diameter of solid section, is equipped with L type cavity in the hollow section, violently manage both ends respectively with pierce pipe and articulate.

The utility model has the advantages that: the utility model adopts the drainage tube structure with the pig tail part and the extension part, so that the tip part of the puncture tube inserted into the thoracic cavity can be hidden, and the puncture tube can be prevented from sliding inwards to touch or even stab other organs or tissues in the thoracic cavity under the normal exhaust or liquid extraction condition; still make can avoid repeatedly pegging graft pump drainage device in implementing pump drainage pneumatosis or hydrops in-process through adopting the three-way valve, the simplified operation. The utility model discloses still be adapted to the use under the multiple emergency, and medical treatment is saved effectually.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention before use;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic perspective view of the three-way valve of the present invention;

FIG. 4 is a cross-sectional view of the valve cartridge of FIG. 3;

FIG. 5 is a diagram of the three-way valve of FIG. 3 during movement; the open arrows represent flow direction;

element number description: a puncture tube 1, a drainage tube 2, a three-way valve 3 and a joint 4; a pig tail 21, an extension 22 and a side hole 23; a tube 31, a valve core 32; a lifting section 321, a solid section 322, a bridging section 323, a hollow section 324 and an L-shaped cavity 325.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

As shown in fig. 1, the disposable intrathoracic drain in this embodiment is composed of a puncture tube 1, a drainage tube 2, a three-way valve 3, and a connector 4, wherein the drainage tube 2 is sleeved outside the puncture tube 1, the front end of the drainage tube is set as a pigtail 21, the tail end of the drainage tube is connected with the puncture tube 1 in a sealing manner, an extension part 22 which can move forward along the outer wall of the puncture tube 1 and enable the tip of the puncture tube 1 to be hidden in the pigtail 21 is arranged near the tail end, the three-way valve 3 is respectively connected with the connector 4 and the puncture tube 1, the remaining connector of the three-way valve 3 is idle, and two or more oval side holes 23.

When the puncture tube is used, the puncture tube is inserted into a target position of a thoracic cavity, the tip of the puncture tube is moved forwards relative to the puncture tube through the extension part of the drainage tube, so that the pigtail at the front end of the drainage tube extends out and wraps and hides the tip of the puncture tube, and the pigtail of the drainage tube is curled and positioned at the front end of the puncture tube due to leaving from the puncture tube, so that the puncture tube can be prevented from sliding inwards to touch or even puncture other organs or tissues in the thoracic cavity under normal exhaust or drainage conditions, the puncture tube can be slightly prevented from retreating to a certain extent due to the curled pigtail, and the remained pigtail can still continue to complete the exhaust or drainage function even if the tip of the puncture tube slightly retreats for a certain distance; meanwhile, the three-way valve is adopted, the joint is connected with a pumping device, such as an injector, and the three-way valve is matched with the injector, after one-time insertion, multiple pumping and discharging actions can be completed by utilizing the opening and closing of the three-way valve and an idle interface thereof, so that the pumping device can be prevented from being repeatedly inserted and connected in the process of pumping and discharging air or liquid accumulation, and the operation is simplified.

The extension of the drain tube 2 in this embodiment is an accordion structure. Advancing of the drain tube relative to the puncturing tube can be accomplished. And is made of medical grade polyurethane material. Has good tissue compatibility and good surface lubrication effect.

As shown in fig. 3-4, the three-way valve 3 in this embodiment comprises a tube 31 and a valve core 32 movably connected in the tube 31, the tube 31 is composed of a cross-shaped vertical tube and a cross-shaped horizontal tube, wherein, two ends of the horizontal tube are respectively connected with the piercing tube 1 and the joint 4, the vertical tube is used for sliding the valve core, the valve core 32 is composed of a lifting section 321, a solid section 322, a bridging section 323 and a hollow section 324 which are arranged from top to bottom in sequence, wherein the lifting section 321 can abut against the opening of the standpipe so as to facilitate the movement of the lifting valve core relative to the standpipe, and the solid section 322 and the hollow section 324 are tightly matched with the standpipe, and is sufficiently positioned and closed in a slidable condition, the diameter of the bridging section 323 is much smaller than that of the solid section 322, so that a certain clearance space is formed between the solid section and the hollow section, and an L-shaped cavity 325 is formed in the hollow section 324, and the horizontal pipe and the vertical pipe can be communicated at the adjacent side through the L-shaped cavity. Specifically, as shown in fig. 5, when the three-way valve is used in cooperation, firstly, the solid section of the valve core blocks the transverse pipe (fig. 5a), so that the tail end of the penetrated pipe is closed, the penetrated pipe can conveniently penetrate into the thoracic cavity, when air suction or liquid suction is needed, the pumping device is connected at the joint, and the lifting section is lifted upwards, so that the bridge section is lifted to the transverse pipe (fig. 5b), the penetrated pipe is communicated with the joint, extraction is convenient, then, when air exhaust or liquid discharge is needed, the lifting section is lifted again, so that the hollow section is lifted to the transverse pipe (fig. 5c), so that the joint is communicated with the external part and seals the penetrated pipe, discharge is convenient, and then, multiple times of pumping and discharging can be completed according to pressing and lifting actions. In this structure, can set up the valve body and be the transparence, be convenient for observe the work position of case each section, and all be equipped with 1 to 2 rings of protruding portions in the case each section, be convenient for sealed between case and the valve body, also can avoid the case to cross to pull out because of its interference fit, simultaneously, still can set up hollow section long enough to alright press from hollow section and replace and carry out the pulling out from the pulling out section, prevent that the case from being pulled out and being pulled out the valve body by crossing, the reliability of being convenient for is operated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. Disposable intrathoracic drain, its characterized in that comprises and pierces pipe (1), drainage tube (2), three-way valve (3), joint (4), and the drainage tube cover is located and pierces the outside of the pipe, and its front end sets up to afterbody (21), and the end is connected with pricking the pipe closure, and is close to the end and is equipped with and enables its to follow and pierces the tub outer wall antedisplacement and let and pierce extension portion (22) that tub point portion hidden its afterbody, and the three-way valve respectively with connect with pierce union coupling.

2. The disposable thoracic drainage tube according to claim 1, wherein two or more elliptical side holes (23) are opened on the pigtail of the drainage tube.

3. The disposable thoracic drain of claim 1 wherein the elongated portion of the drain is of an accordion configuration.

4. The disposable thoracic drain of claim 1 wherein said drain is made of a medical grade polyurethane material.

5. The disposable intrathoracic drain according to claim 1, wherein the three-way valve comprises a tube body (31) and a valve core (32) movably connected with the tube body, the tube body comprises a cross-shaped vertical tube and a cross-shaped horizontal tube, the valve core comprises a lifting section (321), a solid section (322), a bridging section (323) and a hollow section (324) which are sequentially arranged from top to bottom, the lifting section can be abutted against the tube orifice of the vertical tube, the solid section and the hollow section are tightly matched with the vertical tube, the diameter of the bridging section is far smaller than that of the solid section, an L-shaped cavity (325) is arranged in the hollow section, and two ends of the horizontal tube are respectively connected with the penetrating tube and the joint.

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