CN209596405U - A sealing device - Google Patents

Abstract

The utility model discloses a pipe sealing device, the main points of the technical scheme are: comprising a connecting body connected to the end of the PICC pipe, the connecting body is connected with a connecting pipe at an end far away from the PICC pipe, the connecting pipe, The connecting body and the PICC are connected to each other, and the connecting pipe is connected with a Y-shaped pipe at an end away from the connecting body, and a one-way valve is arranged in the two branch pipes on the Y-shaped pipe, The end of one of the branch pipes is connected with a joint pipe, the end of the joint pipe has a Luer male connector, and the end of the other branch pipe is connected with an extension pipe, and the extension pipe and the joint pipe are respectively connected to It communicates with the Y-shaped tube, the end of the extension tube is connected with a heparin cap, and the connecting tube is also provided with a clamping assembly for clamping the connecting tube; the device can be used after infusion A good positive pressure seal can avoid blood backflow and affect the service life of the PICC tube.

Description

A sealing device

technical field

The utility model relates to the field of central venous catheters, in particular to a tube sealing device.

Background technique

A central venous catheter is a common medical device that is a type of endovascular tube placed in a large vein. It is inserted through a puncture technique into a patient's vein, such as the internal jugular vein, to infuse the patient. Many patients with poor peripheral vascular conditions usually need to indwell a central venous catheter as a venous infusion access in surgery with a large amount of blood loss, or to maintain blood pressure during emergency treatment. get promoted.

The existing Chinese patent with publication number CN107583169A discloses a three-way self-controlled central venous catheter device through peripheral intubation, including a long silicone catheter, one end of the long silicone catheter is sealed and a A three-way automatic control mechanism that can be automatically opened or closed in three directions. The three-way automatic control mechanism has a notch. The other end of the long silicone catheter is connected to a catheter extension tube. The other end of the catheter extension tube is connected to a syringe for negative pressure blood pumping. Connect Needle-free airtight infusion connector or heparin cap for connecting infusion set for infusion.

The above-mentioned three-way self-controlled peripherally inserted central venous catheter device has the characteristics of fixed central venous catheter device and convenient use, but the above-mentioned three-way self-controlled peripherally inserted central venous catheter device is still There are some disadvantages, such as: due to the lack of flow-stopping accessories, the tube body cannot be closed after the infusion is completed, and the blood in the human body may flow out reversely through the tube body, which will affect the therapeutic effect and cause the patient's emotional disturbance.

Utility model content

Aiming at the problems mentioned in the background technology, the purpose of the utility model is to provide a tube sealing device to solve the problems mentioned in the background technology.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A tube sealing device, comprising a connecting body connected to the end of the PICC tube, the connecting body is connected with a connecting tube at an end far away from the PICC tube, and the connecting tube, the connecting body and the PICC are connected to each other The connecting pipe is also connected to a Y-shaped pipe at the end far away from the connecting body, and a check valve is arranged in the two branch pipes on the Y-shaped pipe, and a joint is connected to the end of one of the branch pipes. pipe, the end of the joint pipe has a Luer male connector, and the end of the other branch pipe is connected with an extension pipe, and the extension pipe and the joint pipe communicate with each other respectively with the Y-shaped pipe, The end of the extension tube is connected with a heparin cap, and the connecting tube is also provided with a clamping assembly for clamping the connecting tube.

By adopting the above technical scheme, the device can perform a good positive pressure sealing tube after infusion, which can avoid blood backflow and affect the service life of the PICC tube. When it is necessary to administer medicine through the PICC tube, the operator first opens the connection tube Clamp the assembly, then connect the scalp needle to the Luer female connector, match the Luer female connector with the Luer male connector on the joint tube, and the liquid medicine enters the connecting tube and PICC tube through the one-way valve to realize drug delivery and extension The heparin cap on the tube can be pushed into the heparin solution to form a positive pressure to seal the tube and clamp the connecting tube with the clamping component after the drug administration is completed to achieve a good tube sealing effect.

Preferably, the clamping assembly includes a first clamping piece, a second clamping piece, a torsion spring, a perforation, a screw and a nut, the first clamping piece and the second clamping piece are hinged to each other, and the A torsion spring is sleeved outside the hinge shafts of the first clip and the second clip, one end of the torsion spring is connected to the first clip, and the other end of the torsion spring is connected to the second clip. On the second clamping piece, the perforation is opened on the first clamping piece for the screw to pass through, the screw is screwed on the second clamping piece, and the nut is screwed on the outside of the screw.

By adopting the above technical solution, under the elastic force of the torsion spring, the first clip and the second clip will be close to each other, and the first clip and the second clip can be adjusted by tightening the nut after the screw passes through the hole. The position is fixed, the pipe sealing effect is better when used, and it is convenient to use.

Preferably, a protective plug is inserted outside the Luer male connector of the connector tube.

By adopting the above technical solution, the protective plug has a protective effect on the Luer male connector.

Preferably, the connecting body has two mounting wings, and the two mounting wings are respectively provided with mounting holes.

By adopting the above technical solution, the PICC conduit can be conveniently fixed by using the installation wing and the installation hole thereon.

Preferably, a metal cap is fixed at the end of the connecting pipe, and one of the branch pipes on the Y-shaped pipe is screwed into the metal cap.

By adopting the above technical solution, the use of the metal cap can facilitate the connection of the Y-shaped pipe and the branch pipe.

Preferably, a layer of anti-skid pad is fixed on the outside of the nut.

By adopting the above technical solution, the anti-skid pad on the outside of the nut can increase the hand friction of the operator when twisting the nut.

In summary, the utility model mainly has the following beneficial effects:

The device can be used to seal the tube under positive pressure after infusion, which can avoid blood backflow and affect the service life of the PICC tube. The scalp needle is connected to the Luer female connector, and the Luer female connector is matched with the Luer male connector on the connector tube. The liquid medicine enters the connecting tube and the PICC tube through the one-way valve to realize drug administration, and the heparin cap on the extension tube The heparin solution can be pushed in to form a positive pressure to lock the tube and clamp the connecting tube with the clamping component after administration, so that a good tube locking effect can be achieved.

Description of drawings

Fig. 1 is the structural representation of sealing device;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is an enlarged view of B in Fig. 1;

Fig. 4 is a structural sectional view of the sealing device;

Fig. 5 is an enlarged view at C in Fig. 4;

Fig. 6 is an enlarged view of D in Fig. 4 .

Reference signs: 1, PICC tube; 10, connector; 11, connecting tube; 12, Y-shaped tube; 121, branch tube; 122, one-way valve; 111, connector tube; 1110, Luer male connector; 112, extension Tube; 113, heparin cap; 2, clamping assembly; 21, first clip; 22, second clip; 23, torsion spring; 211, perforation; 221, screw; 2211, nut; 11101, protection plug; 101, mounting wing; 1011, mounting hole; 114, metal cap; 2212, anti-skid pad.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Fig. 1, Fig. 4 and Fig. 5, a sealing device includes a connecting body 10 connected to the end of the PICC tube 1, wherein the connecting body 10 is connected with a connecting tube 11 at the end far away from the PICC tube 1, and the connecting tube 11 , the connecting body 10 and the PICC are connected to each other; in order to achieve a good sealing effect, the connecting pipe 11 is also connected to a Y-shaped pipe 12 at the end away from the connecting body 10, wherein two branch pipes 121 on the Y-shaped pipe 12 A one-way valve 122 is arranged inside, and a joint pipe 111 is connected to the end of one of the branch pipes 121. There is a Luer male connector 1110 at the end of the joint pipe 111, and an extension pipe 112 is connected to the end of the other branch pipe 121. , wherein the extension tube 112 and the joint tube 111 communicate with each other with the Y-shaped tube 12 respectively, and at the same time, a heparin cap 113 is connected to the end of the extension tube 112, and the connecting tube 11 is also provided with a clamp for clamping the connecting tube 11 Clamping component 2; therefore, the device can be used to seal the tube under positive pressure after infusion, which can avoid blood backflow and affect the service life of PICC tube 1. When it is necessary to administer medicine through PICC tube 1, the operator first opens the connecting tube 11 on the clamping assembly 2, and then connect the scalp needle to the Luer female connector, and match the Luer female connector with the Luer male connector 1110 on the connector tube 111, and the liquid medicine enters the connecting tube 11 through the one-way valve 122 To achieve drug administration with PICC tube 1, the heparin cap 113 on the extension tube 112 can be pushed into the heparin solution to form a positive pressure to seal the tube. Effect.

Referring to Fig. 1 and Fig. 2, wherein clamp assembly 2 comprises first clip 21, second clip 22, torsion spring 23, perforation 211, screw 221 and nut 2211, wherein first clip 21 and second clip 22 are hinged to each other, and the torsion spring 23 is sleeved outside the hinge shaft of the first clip 21 and the second clip 22, wherein one end of the torsion spring 23 is connected to the first clip 21, and the other end of the torsion spring 23 is connected to On the second clamping piece 22, the perforation 211 is opened on the first clamping piece 21 and passes through for the screw 221, and the screw 221 is threaded on the second clamping piece 22, and the nut 2211 is threaded on the outside of the screw 221. Under the elastic force of the spring 23, the first clamping piece 21 and the second clamping piece 22 will be close to each other, and after the screw 221 passes through the perforation 211, the nut 2211 can be tightened to realize the alignment of the first clamping piece 21 and the second clamping piece 22. The position is fixed, the pipe sealing effect is better when used, and it is convenient to use; in order to facilitate the operator to twist the nut 2211, a layer of anti-skid pad 2212 is fixed outside the nut 2211, and the anti-skid pad 2212 outside the nut 2211 can increase the operation or the hand friction force when screwing the nut 2211.

Referring to Fig. 5 and Fig. 6, a protective plug 11101 is inserted outside the Luer male connector 1110 of the connector tube 111, and the protective plug 11101 has a protective effect on the Luer male connector 1110; in order to facilitate the connection between the tube 11 and the Y-shaped tube 12 A metal cap 114 is fixed at the end of the connecting pipe 11, and one of the branch pipes 121 on the Y-shaped pipe 12 is screwed into the metal cap 114. The metal cap 114 can facilitate the connection between the Y-shaped pipe 12 and the branch pipe 121. .

Referring to Fig. 1 and Fig. 3, in order to facilitate the fixing of the PICC catheter, there are two mounting wings 101 on the connecting body 10, and mounting holes 1011 are respectively opened on the two mounting wings 101, and the mounting wings 101 and the The mounting hole 1011 can conveniently fix the PICC catheter.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a pipe sealing device, comprising a connecting body (10) connected to the end of the PICC pipe (1), characterized in that: the connecting body (10) is connected with a connection at an end far away from the PICC pipe (1) pipe (11), the connecting pipe (11), the connecting body (10) and the PICC communicate with each other, and the connecting pipe (11) is also connected with a Y-shaped pipe (12), two branch pipes (121) on the Y-shaped pipe (12) are all provided with check valves (122), and the end of one of the branch pipes (121) is connected with a joint pipe ( 111), the end of the joint pipe (111) has a Luer male connector (1110), and the end of the other branch pipe (121) is connected with an extension pipe (112), and the extension pipe (112) and the The joint pipes (111) communicate with each other respectively with the Y-shaped pipe (12), the end of the extension pipe (112) is connected with a heparin cap (113), and the connecting pipe (11) is also provided with There is a clamping assembly (2) for clamping the connecting pipe (11). 2. A tube sealing device according to claim 1, characterized in that: the clamping assembly (2) comprises a first clamping piece (21), a second clamping piece (22), a torsion spring (23), Through holes (211), screws (221) and nuts (2211), the first clip (21) and the second clip (22) are hinged to each other, and the torsion spring (23) is sleeved on Outside the hinge shaft of the first clip (21) and the second clip (22), one end of the torsion spring (23) is connected to the first clip (21), and the torsion spring The other end of (23) is connected on the second clip (22), the perforation (211) is provided on the first clip (21) and passed through by the screw (221), the A screw (221) is threaded on the second clip (22), and the nut (2211) is threaded on the outside of the screw (221). 3 . The tube sealing device according to claim 1 , characterized in that: a protective plug ( 11101 ) is plugged outside the Luer male connector ( 1110 ) of the connector tube ( 111 ). 4 . 4. A tube sealing device according to claim 1, characterized in that: the connecting body (10) has two installation wings (101), and two installation wings (101) are respectively provided with installation holes (1011). 5. A tube sealing device according to claim 1, characterized in that: a metal cap (114) is fixed at the end of the connecting tube (11), and one of the Y-shaped tubes (12) is fixed with a metal cap (114). The branch pipe (121) is threadedly fixed in the metal cap (114). 6. The tube sealing device according to claim 2, characterized in that: a layer of anti-slip pad (2212) is fixed on the outside of the nut (2211).