CN204147404U - The multi-cavity drainage system that can subcutaneously move under water - Google Patents

Abstract

A kind of multi-cavity drainage system that can subcutaneously move under water, relate to department of neurology cranium brain drain multi-cavity drainage system, be provided with multi-cavity drainage tube, be provided with guid needle in the patient end tube wall that it is characterized in that multi-cavity drainage tube and insert chamber, the sidewall away from patient end that guid needle inserts chamber is provided with guid needle and pulls and pushes mouth, and guid needle is inserted intracavity and pulled and pushed mouth through guid needle and be inserted with guid needle; Multi-cavity drainage tube patient end is arranged with joint sleeve, and the medial wall of joint sleeve is provided with the snap fit tabs matched with the through hole on multi-cavity drainage tube patient end tube wall, and joint sleeve front end is provided with pull needle.This utility model structure is simple, easy to use, implantation position precisely, can accurate implanted treatment target spot, greatly reduce when using multi-cavity drainage tube to carry out the drain of cranium brain and infect probability, achieve the function by carrying out micro-invasive drainage after subcutaneous for the patient end of multi-cavity drainage tube moving under water to cranium brain.

Description

Subcutaneously sneakable multi-lumen drainage device

technical field

The utility model relates to a multi-cavity drainage device for craniocerebral drainage in the department of neurology, specifically a multi-cavity drainage device with simple structure, convenient use, precise implantation position, accurate implantation of treatment targets, and subcutaneous sneaking.

Background technique

We know that craniocerebral drainage has become a routine treatment for craniocerebral trauma, cerebral hemorrhage, intracranial infection, and hydrocephalus. Can significantly reduce the incidence of postoperative intracranial infection. At present, only the single-lumen drainage catheter can be subcutaneously operated in craniocerebral drainage. Because the single-lumen drainage catheter has no branch and the end is smooth, it can subcutaneously sneak away from the wound to fix the catheter after the catheter drainage is successful. The structure of the existing multi-chamber drainage tube is: a tube body is provided with at least two cavities in the tube body, a through hole communicating with the cavity is provided on the patient end of the tube body, and the tube body is far away from the patient end. There are branch pipes with the same number as the cavities, and each branch pipe is connected with a cavity. The branch pipes are equipped with Luer connectors, protective caps or heparin caps and other components for drainage, sampling, drug injection and other operations. Since the end of the multi-cavity drainage tube away from the patient is provided with at least two branch pipes, and the branch pipes are equipped with luer connectors, protective caps or heparin caps and other components, the end far away from the patient cannot be smoothly connected with the subcutaneous traction needle, and the subcutaneous sneaking operation cannot be completed. . Forcibly sneaking under the skin will cause greater damage to the tissue, and the chance of clinical infection will increase instead. At present, in the craniocerebral drainage in the medical field, there is no multi-cavity drainage device that can realize subcutaneous sneaking.

Contents of the invention

The purpose of this utility model is to solve the above-mentioned deficiencies in the prior art, to provide a device with simple structure, convenient use, precise implantation position, accurate implantation of treatment targets, and reduction of infection probability when using multi-cavity drainage tubes for brain drainage. Subcutaneously submerged multi-lumen drainage device.

The technical solution adopted by the utility model to solve the above-mentioned deficiencies in the prior art is:

A multi-lumen drainage device that can subcutaneously subcutaneously is equipped with a multi-lumen drainage tube, and is characterized in that a guide needle insertion cavity is provided in the wall of the patient end of the multi-lumen drainage tube (along the axial direction of the multi-lumen drainage tube), A guide needle extraction socket is provided on the side wall of the guide needle insertion cavity away from the patient end, and a guide needle is inserted into the guide needle insertion cavity through the guide needle extraction socket; the patient end of the multi-lumen drainage tube (defined as The front end) is covered with a connecting sleeve, and the inner wall of the connecting sleeve (opposite to the through hole on the patient end wall of the multi-lumen drainage tube) is provided with a through hole corresponding to the through hole on the patient end wall of the multi-lumen drainage tube. Cooperating with the engaging protrusion, the front end of the connecting sleeve is provided with a pulling needle (the rear end of the pulling needle is connected with the front end of the connecting sleeve).

The traction needle described in the utility model includes a puncture tip at the front and a connecting rod at the rear, the rear end of the connecting rod is connected to the front end of the connecting sleeve, and the angle between the puncturing tip and the connecting rod is 150-170°. The front end of the puncture tip is provided with a puncture edge parallel to the axis of the connecting rod. The angle is matched with the puncture blade, which is convenient for doctors to puncture when sneaking under the skin, reducing tissue damage and easy to use.

The rear end of the connecting rod described in the utility model is provided with a plurality of anti-reverse rings with a wedge-shaped section connected end to end, and the rear end of the connecting rod is inserted and connected with the front end of the connecting sleeve. Can be disassembled and reused after disinfection. The rear end of the connecting rod and the front end of the connecting sleeve can also be fixedly connected to make a disposable product.

The end of the guide needle described in the utility model that is far away from the patient end is provided with a connection hole, and a traction wire is provided on the connection hole.

The guide needle insertion cavity described in the utility model has a length of 12cm-15cm, and the front end of the guide needle insertion cavity is 0.2-1cm away from the front end of the patient end of the multi-cavity drainage tube, and is 0.2-1cm away from the front end of the guide needle insertion cavity (that is, the patient The side wall of the guide needle insertion cavity at 9-12cm from the end) is provided with a guide needle withdrawal socket, and the guide needle is 10cm-12cm long. The length of the drainage catheter is generally greater than 20cm, subcutaneously 4cm-6cm, while ensuring compliance with the size requirements of the drainage catheter in cranial drainage, it is convenient for the insertion and insertion of the guide needle in the insertion cavity of the guide needle, which is more convenient to use and saves surgery time.

When the utility model is in use, the patient end of the multi-cavity drainage tube is forcibly inserted from the rear end of the connecting sleeve, so that the engaging protrusion on the inner side wall of the connecting sleeve is snapped into the patient end tube of the multi-cavity drainage tube In the through hole on the wall, use the traction needle to drive the connecting sleeve and the patient end of the multi-lumen drainage tube to sneak subcutaneously. Finally, the medical staff hold the guide needle gently and slowly insert the guide needle at the patient end of the multi-lumen drainage tube into the cavity along the guide needle withdrawal socket, and then perform the catheterization operation. After the catheter drainage is successful, pull out the guide needle. Fix the drainage catheter and implement drainage. The utility model has the advantages of simple structure, convenient use, precise implantation position, accurate implantation of treatment targets, greatly reducing the chance of infection when the multi-cavity drainage tube is used for craniocerebral drainage, and realizing the subcutaneous sneaking of the patient end of the multi-cavity drainage tube The function of minimally invasive drainage of the brain.

Description of drawings

Figure 1 is a schematic structural view of the utility model.

FIG. 2 is a partial enlarged view of A in FIG. 1 .

Fig. 3 is a schematic diagram of the structure of the utility model after the connecting sleeve and the pulling needle are connected.

FIG. 4 is a top view of FIG. 3 .

FIG. 5 is a bottom view of FIG. 3 .

Fig. 6 is a schematic structural view of the multi-cavity drainage tube in the present invention.

Fig. 7 is a cross-sectional view along line A-A of Fig. 6 .

Fig. 8 is a structural schematic diagram of the multi-cavity drainage tube at the guide needle insertion cavity after the middle guide needle is inserted into the guide needle insertion cavity of the present invention.

Detailed ways

The multi-chamber drainage device that can sneak under the skin as shown in Figures 1-8 is provided with a multi-chamber drainage tube. As can be seen from Figure 6, the structure of the multi-chamber drainage tube is provided with a tube body 3, and the tube body 3 There are two cavities, one cavity is a drainage cavity, and the other is a sampling and injection cavity. The patient end tube wall of the tube body 3 is provided with through holes 8 and 9 communicating with the cavity. The patient end is provided with two branch pipes respectively connected with the two cavities, the ends of the branch pipes are provided with Luer connectors 5 or heparin caps and protective caps, and the branch pipes are provided with clamps 4 for controlling their on-off; the body of the multi-cavity drainage tube The number of cavities and branch pipes in 3, and the aperture size of each cavity are determined by their functions. The structure of the multi-cavity drainage tube is the same as that of the prior art, and will not be repeated here. The drainage cavity used for drainage can be made into different shapes according to other apertures in order to avoid drainage blockage, and the drainage aperture should be enlarged as much as possible. The utility model is characterized in that in the wall of the patient end of the multi-cavity drainage tube, a guide needle insertion cavity 11 is arranged along the axial direction of the multi-cavity drainage tube, and the guide needle is inserted into the rear end of the cavity 11 (guide A guide needle extraction socket 10 is provided on the side wall of the needle insertion cavity (that is, away from the patient end), and a guide needle 12 is inserted through the guide needle extraction socket 10 in the guide needle insertion cavity 11; the guide needle 1 It is usually a hard needle made of stainless steel needle or polymer material; as can be seen from Figure 8, the end of the guide needle away from the patient end is provided with a connecting hole, and the connecting hole is provided with a traction line 13, which is convenient for guiding the needle take out. The patient end (front end) of the multi-lumen drainage tube is covered with a connecting sleeve 2, and on the inner side wall of the connecting sleeve 2, opposite to the through holes 8 and 9 on the wall of the patient end of the multi-lumen drainage tube, a multi-lumen drainage tube is provided. The through-holes 8 and 9 on the wall of the patient end of the tube match the engagement protrusion 7. When the patient end of the multi-lumen drainage tube is inserted into the connecting sleeve, the engagement protrusion 4 can be embedded in the through-hole on the tube wall. The patient end of the multi-lumen drainage tube is flexibly inserted into the connecting sleeve. The front end of the connecting sleeve 2 is provided with a pulling needle 1, and the rear end of the pulling needle 1 is connected to the front end of the connecting sleeve. As can be seen from Figure 3, the pulling needle 1 includes a puncture tip at the front and a connecting rod at the rear. There is an angle of 150-170° between the puncture tip and the connecting rod; the rear end of the connecting rod is connected with the front end of the connecting sleeve 2, as can be seen from Fig. 1 and Fig. 2, the rear end of the connecting rod is provided with a plurality of head and tail The connected anti-reverse ring 6 with a wedge-shaped cross-section, the connecting sleeve is made of rubber and other materials with certain elasticity, the rear end of the connecting rod is inserted and connected with the front end of the connecting sleeve, and the non-reverse ring 6 is connected with the elastic connection The inner wall of the casing cooperates to play a fixed role. After the flexible connection, it can be disassembled and disinfected for reuse. The rear end of the connecting rod and the front end of the connecting sleeve can also be fixedly connected to make a disposable product. The front end of the puncture point is provided with a puncture blade 8 parallel to the axis of the connecting rod, which is convenient for the doctor to puncture when sneaking under the skin, reduces tissue damage, and is easy to use. The guide needle insertion cavity described in the utility model has a length of 12cm-15cm, and the front end of the guide needle insertion cavity is 0.2-1cm away from the front end of the patient end of the multi-cavity drainage tube, and is 0.2-1cm away from the front end of the guide needle insertion cavity (that is, the patient The side wall of the guide needle insertion cavity at 9-12cm from the end) is provided with a guide needle withdrawal socket, and the guide needle is 10cm-12cm long. The length of the drainage catheter is generally greater than 20cm, subcutaneously 4cm-6cm, while ensuring compliance with the size requirements of the drainage catheter in cranial drainage, it is convenient for the insertion and insertion of the guide needle in the insertion cavity of the guide needle, which is more convenient to use and saves surgery time.

When the utility model is in use, the patient end of the multi-cavity drainage tube is forcibly inserted from the rear end of the connecting sleeve, so that the engaging protrusion on the inner side wall of the connecting sleeve is snapped into the patient end tube of the multi-cavity drainage tube In the through hole on the wall, use the traction needle to drive the connecting sleeve and the patient end of the multi-lumen drainage tube to sneak subcutaneously. Finally, the medical staff hold the guide needle gently and slowly insert the guide needle at the patient end of the multi-lumen drainage tube into the cavity along the guide needle withdrawal socket, and then perform the catheterization operation. After the catheter drainage is successful, pull out the guide needle. Fix the drainage catheter and implement drainage. The utility model has the advantages of simple structure, convenient use, precise implantation position, accurate implantation of treatment targets, greatly reducing the chance of infection when the multi-cavity drainage tube is used for craniocerebral drainage, and realizing the subcutaneous sneaking of the patient end of the multi-cavity drainage tube The function of minimally invasive drainage of the brain.

Claims (5)

1. A multi-cavity drainage device that can subcutaneously sneak is provided with a multi-cavity drainage tube, and it is characterized in that a guide needle insertion cavity is provided in the patient end tube wall of the multi-cavity drainage tube, and the distance between the guide needle insertion cavity The side wall of the patient end is provided with a guide needle withdrawal socket, and the guide needle is inserted into the cavity through the guide needle withdrawal socket to insert a guide needle; The inner side wall of the multi-cavity drainage tube is provided with an engaging protrusion matching the through hole on the wall of the patient end of the multi-cavity drainage tube, and the front end of the connecting sleeve is provided with a traction needle. 2. The subcutaneously submerged multi-chamber drainage device according to claim 1, characterized in that the traction needle comprises a puncture tip at the front and a connecting rod at the rear, and the rear end of the connecting rod is connected to the connecting sleeve The front ends are connected, and the angle between the puncture tip and the connecting rod is 150-170°. The front end of the puncture tip is provided with a puncture blade parallel to the axis of the connecting rod. 3. The subcutaneous subcutaneous multi-chamber drainage device according to claim 1, characterized in that the rear end of the connecting rod is provided with a plurality of end-to-end connected wedge-shaped non-return rings, the rear end of the connecting rod The part is plugged and connected with the front end of the connecting sleeve. 4. The subcutaneously submerged multi-chamber drainage device according to claim 1, characterized in that the end of the guide needle far away from the patient is provided with a connection hole, and a traction wire is provided on the connection hole. 5. The subcutaneous subcutaneous multi-chamber drainage device according to claim 1, characterized in that the length of the guide needle insertion cavity is 12cm-15cm, and the front end of the guide needle insertion cavity is far from the front end of the patient end of the multi-chamber drainage tube 0.2-1cm on the surface, 9-12cm away from the front surface of the guide needle insertion cavity, there is a guide needle withdrawal socket on the side wall of the guide needle insertion cavity, and the length of the guide needle is 10cm-12cm.