CN210472772U - Chest closed drainage catheter and skin expander for assisting in placement of drainage catheter - Google Patents

Abstract

The utility model discloses a chest closed drainage catheter and supplementary drainage catheter put into expand skin ware, its technical scheme main points are: including the first body of rectangular shape, the one end of first body is used for putting into the thorax, still includes: the air bag is integrally formed outside the first pipe body, the first pipe body penetrates through the air bag, and the air bag is not communicated with the first pipe body; the second tube body is communicated with the air bag, a rubber end cap is inserted at the end part of the second tube body, and a valve core for inflating is arranged at the rubber end cap; the end head is fixed at the end of the first tube body, which is placed into the thoracic cavity; the thorax closed drainage catheter can make the gasbag inflation through second body injection liquid or gas in to the gasbag when using, and the friction of first pipe and tissue department can be reduced to the expanded gasbag, can reduce the rocking of the first body of putting into in the thorax for first body is difficult to take place leakage gas with skin tissue contact department.

Description

Chest closed drainage catheter and skin expander for assisting in placement of drainage catheter

Technical Field

The utility model relates to a pleural effusion drainage device, in particular to a skin expander for placing a closed thoracic drainage catheter and an auxiliary drainage catheter.

Background

Closed thoracic drainage is a drainage tube with one end placed in the thoracic cavity and the other end connected to a water-sealed bottle or bag positioned lower than the drainage tube to discharge air or collect fluid in the thoracic cavity, so that lung tissues are re-opened to restore functions. The traditional Chinese medicine composition is widely applied to drainage of blood chests, pneumothorax and empyema and after thoracotomy as a treatment means, and plays an important role in treating diseases. Closed thoracic drainage catheters are important components for drainage.

The traditional Chinese patent with publication number CN208838675U discloses an adjustable thoracic closed drainage tube connecting pipe, which comprises a pipe body and connectors connected to two ends of the pipe body, wherein a boss is arranged in the middle of the outer wall of the pipe body, a through hole is formed in the boss, the lower end of a rotating shaft is connected with a valve core in the pipe body after being inserted into the through hole, and an adjusting knob is connected to the upper end of the rotating shaft. The joint is of a taper pipe structure, and an annular convex edge is arranged on the outer wall of the joint.

The adjustable thoracic closed drainage tube connecting pipe can control the flow of gas or liquid of the drainage tube through the adjusting knob, can prevent the gas or liquid from flowing back to enter the thoracic cavity, is convenient and quick to adjust, and has the advantage of avoiding clamping the drainage tube. However, the adjustable closed thoracic drain connection tube described above still has some disadvantages, such as: firstly, because the closed thoracic drainage tube is directly placed in the thoracic cavity, and part of tissues of a patient are loosened, the contact part of a pipeline and the tissues is often rubbed, when the tissues are loosened, the hole is easy to be enlarged, and the pipeline is relatively fine, so that water leakage and air leakage are very easy to cause; secondly, the closed thoracic drainage tube is usually a single tube, so that the closed thoracic drainage tube is not easy to disassemble, clean and disinfect; third, the drainage hole at the end of the closed thoracic drainage tube usually has only one hole at the end, and when the drained tissue fluid is thick, the drainage tube with only one hole can lose the use effect when the drainage tube is blocked.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims to provide a skin expander that thorax closed drainage catheter and supplementary drainage catheter were put into to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a thorax closed drainage catheter, includes the first body of rectangular shape, the one end of first body is used for putting into the thorax, still includes:

the air bag is integrally formed outside the first pipe body, the first pipe body penetrates through the air bag, and the air bag is not communicated with the first pipe body;

the second tube body is communicated with the air bag, one end, far away from the air bag, of the second tube body is used for being connected with an injector, a rubber end cap is inserted into the end of the second tube body, and a valve core for inflating is arranged at the rubber end cap;

the end fixed at the thoracic cavity end is placed into to the first pipe body, the end is conical, a forward drainage hole and a lateral drainage hole are formed in the end, the forward drainage hole and the lateral drainage hole are round holes, and the diameters of the forward drainage hole and the lateral drainage hole are 2-3 mm.

By adopting the technical scheme, when the thoracic closed drainage catheter is used, liquid or gas can be injected into the air bag through the second tube body to expand the air bag, the expanded air bag can reduce the friction between the first tube body and a tissue, the shake of the first tube body placed in the thoracic cavity can be reduced, and the contact part of the first tube body and the skin tissue is not easy to leak water and gas; the positive drainage hole and the lateral drainage hole of tip can prolong the life of drainage tube on the reuse first body tip, can continue to use when one of them drainage hole takes place to block up.

Preferably, the volume of the air bag is 5-10 ml.

By adopting the technical scheme, the 5-10ml air bag is proper in size and can well fix the contact part of the first pipe body and the tissue.

Preferably, the distance from the air bag to the end, which is placed in the chest, of the air bag is 10-15 cm.

By adopting the technical scheme, the general embedded depth of the first pipe body is 10-15cm, and the air bag is most suitably arranged at the position.

Preferably, the balloon has an ellipsoidal shape after inflation.

By adopting the technical scheme, the ellipsoidal air bag has a good jointing effect with the skin.

Preferably, a threaded ring is fixed to one end of the first pipe body, which is far away from the end head.

Through adopting above-mentioned technical scheme, the thread connection ring can make things convenient for being connected of first body and water seal bottle or water seal bag.

The utility model also provides a skin expander that supplementary drainage catheter put into, including the skin expander body that is used for enlarging the eye of the needle, the extension needle tubing outside of expanding in the skin expander body is fixed with metal sleeve.

By adopting the technical scheme, the expansion needle tube in the skin expander tube body is additionally provided with the metal sleeve, and the thoracic cavity is easy to puncture due to the high rigidity of the metal sleeve.

Further, the diameter of the metal sleeve is 2-4 mm.

By adopting the technical scheme, the metal sleeve with the diameter of 2-4mm has a good puncture guiding effect.

To sum up, the utility model discloses mainly have following beneficial effect:

when the closed thoracic drainage catheter is used, liquid or gas can be injected into the air bag through the second tube body to expand the air bag, the expanded air bag can reduce the friction between the first tube body and a tissue, the shaking of the first tube body placed in the thoracic cavity can be reduced, and the contact part of the first tube body and the skin tissue is not easy to leak water and gas; the positive drainage hole and the lateral drainage hole of tip can prolong the life of drainage tube on the reuse first body tip, can continue to use when one of them drainage hole takes place to block up.

Drawings

FIG. 1 is a schematic view of a closed thoracic drainage catheter;

FIG. 2 is a sectional view of the closed drainage catheter for the thoracic cavity;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a structural schematic diagram of a skin expander for assisting in the placement of a drainage catheter.

Reference numerals: 1. a first pipe body; 11. an air bag; 12. a second tube body; 121. a rubber end cap; 122. a valve core; 14. a tip; 141. a positive drainage aperture; 142. a lateral drainage hole; 1011. an annular groove; 133. a threaded connection ring; 2. a skin expander body; 21. expanding the needle tube; 22. a metal sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, a closed thoracic drainage catheter comprises a first elongated tube 1, wherein one end of the first tube 1 is used for placing into a thoracic cavity, in order to prevent the first tube 1 from loosening due to friction between the first tube 1 and a tissue of a patient, an air bag 11 is integrally formed outside the first tube 1, the first tube 1 penetrates through the air bag 11, the air bag 11 and the first tube 1 are not communicated with each other, in order to inject air into the air bag 11 conveniently, a second tube 12 communicated with the air bag 11 is arranged on the air bag 11, a rubber end cap 121 is inserted into one end of the second tube 12 far away from the air bag 11, and a valve core 122 is arranged in the rubber end cap 121 and used for connecting a syringe to inject air into the air bag 11; therefore, the thoracic closed drainage catheter can inject gas into the air bag 11 through the second tube body 12 to expand the air bag 11 when in use, the expanded air bag 11 can reduce the friction between the first catheter and the tissue, and the shaking of the first tube body 1 placed in the thoracic cavity can be reduced, so that the contact part of the first tube body 1 and the skin tissue is not easy to leak water and gas.

Referring to fig. 1 to 4, in order to prolong the service life of the drainage tube, a tip 14 is fixed at one end of the first tube 1 inserted into the thoracic cavity, wherein the tip 14 is conical, a forward drainage hole 141 and a lateral drainage hole 142 are formed in the tip 14, the forward drainage hole 141 and the lateral drainage hole 142 are round holes, the diameters of the forward drainage hole 141 and the lateral drainage hole 142 are 3mm, the service life of the drainage tube can be prolonged by using the forward drainage hole 141 and the lateral drainage hole 142 of the tip 14 at the end of the first tube 1, and the drainage tube can be used continuously when one of the drainage holes is blocked.

Referring to fig. 1 and 2, the volume of the adopted air bag 11 is 8ml, and the size of the 8ml air bag 11 is proper, so that the first pipe body 1 can be well fixed at the contact part with the tissue; the distance between the air bag 11 and the chest cavity end is 12cm, the normal placing depth of the first tube body 1 is 12cm, and the air bag 11 is most suitable to be arranged; meanwhile, the inflated shape of the air bag 11 is an ellipsoid, and the ellipsoidal air bag 11 has a good bonding effect with the skin.

Referring to fig. 2, in order to connect the third tube 13 with the water-sealed bottle or the water-sealed bag, a threaded ring 133 is fixed to an end of the first tube 1 away from the head 14, and the threaded ring 133 can facilitate the connection between the first tube 1 and the water-sealed bottle or the water-sealed bag.

Example 2

Referring to fig. 5, the difference from embodiment 1 is that there is also provided a skin expander for assisting drainage catheter insertion, comprising a skin expander body 2 for expanding needle hole, wherein a metal sleeve 22 is fixed outside an expanding needle tube 21 in the skin expander body 2, and the expanding needle tube 21 in the skin expander tube body is externally added with the metal sleeve 22, so that the thoracic cavity is easy to puncture due to the high rigidity of the metal sleeve 22; and the diameter of the adopted metal sleeve 22 is 3mm, and the metal sleeve 22 with the diameter of 3mm has good puncture guiding effect.

The using method comprises the following steps: when the drainage catheter is used, an operator firstly injects holes on the skin of a patient by using an injector, then skin hole scraping operation is carried out by using an expansion needle tube 21 and a metal sleeve 22 in a skin expander tube body, then the first tube body 1 is inserted into the chest of the patient, after the first tube body 1 is placed, the operator can prick a valve core 122 in a rubber end cap 121 by using the injector, air is injected into an air bag 11 through a second tube body 12, so that the second air bag 11 is expanded, the second air bag 11 is attached to the skin of the patient, and the first tube body 1 can be prevented from rubbing against tissues; when the air of the air bag 11 needs to be discharged, the air can be discharged only by pulling out the rubber plug cap 121.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a thorax closed drainage catheter, includes rectangular shape first body (1), the one end of first body (1) is used for putting into the thorax, its characterized in that: further comprising:

the air bag (11) is integrally formed outside the first pipe body (1), the first pipe body (1) penetrates through the air bag (11), and the air bag (11) and the first pipe body (1) are not communicated with each other;

the second tube body (12) is communicated with the air bag (11), one end, far away from the air bag (11), of the second tube body (12) is used for being connected with an injector, a rubber end cap (121) is inserted into the end portion of the second tube body (12), and a valve core (122) used for inflating is arranged at the position of the rubber end cap (121);

the end head (14) is fixed to the end, which is placed into the thoracic cavity, of the first pipe body (1), the end head (14) is conical, a forward drainage hole (141) and a lateral drainage hole (142) are formed in the end head (14), the forward drainage hole (141) and the lateral drainage hole (142) are round holes, and the diameters of the forward drainage hole (141) and the lateral drainage hole (142) are 2-3 mm.

2. The closed thoracic drainage catheter of claim 1, wherein: the volume of the air bag (11) is 5-10 ml.

3. The closed thoracic drainage catheter of claim 1, wherein: the distance between the air bag (11) and the chest end where the air bag is placed is 10-15 cm.

4. The closed thoracic drainage catheter of claim 1, wherein: the shape of the air bag (11) after being inflated is an ellipsoid.

5. The closed thoracic drainage catheter of claim 1, wherein: and a threaded connecting ring (133) is fixed at one end of the first pipe body (1) far away from the end head (14).

6. A skin expander to assist in the placement of the closed thoracic drainage catheter of claim 1, wherein: comprises a skin expander body (2) for expanding needle holes, wherein a metal sleeve (22) is fixed outside an expanding needle tube (21) in the skin expander body (2).

7. The skin dilator for closed thoracic drainage catheter insertion of claim 6, wherein: the diameter of the metal sleeve (22) is 2-4 mm.

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