CN2782099Y

CN2782099Y - Internal drainage tube for biliary tract support

Info

Publication number: CN2782099Y
Application number: CN 200520025567
Authority: CN
Inventors: 晁志涛; 刘常利; 晁志岭
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-11
Filing date: 2005-04-11
Publication date: 2006-05-24
Anticipated expiration: 2015-04-11

Abstract

The utility model discloses an internal drainage tube for a biliary tract support, the aim is to provide a drainage tube that a spiral arm structure plays a supporting role, and thus, a biliary tract is ensured to be fluent. The internal drainage tube for a biliary tract support comprises a tub body, wherein the upper arm of the tube body is the spiral arm, the middle part is a straight arm and the lower part is a side petal arm structure. A side petal is arranged on the side petal arm, and side holes are arranged on the spiral arm and the side petal arm. The utility model adopts a method of internal drainage, so that the danger that a patient loses a large mount of bile and the danger of infection are avoided. The utility model can be used for sewing the wall of the biliary tube for one step after finishing ascertaining a biliary tract.

Description

Biliary tract supports inner drainage tube

Technical field

This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of drainage tube.

Background technology

At present, behind the bile duct exploration, usually need to keep somewhere T type pipe and carry out drain, promptly finish bile duct exploration after, place T type pipe, play and support and the effect of external drainage, sew up bile duct wall then, in 2～3 weeks of postoperative, pull out T type pipe again.Because external drainage can be lost a large amount of electrolyte, and has changed the normal physiological structure of biliary tract, thereby causes the physiological function disorder, complication such as gallbladder leakage and biliary tract stenosis also can appear sometimes, and external end conduit also has the danger that causes infection.

In addition, also have under scope methods such as inserting in nose bile duct external drainage and plastic stent pipe, the metal rack pipe drain through vater's papilla with seal wire, but occur cholangitis, pancreatitis and complication such as hemorrhage sometimes, also increased patient's misery simultaneously.

Summary of the invention

In order to overcome deficiency of the prior art, this utility model provides a kind of biliary tract to support inner drainage tube, disposable stitching bile duct wall after can be used for bile duct exploration and finishing, play three-dimensional supporting role by the spiral arm structure, can prevent to come off, bile both can pass through the drainage tube drain, again can be by the lacuna drain that spiral arm surrounded, guaranteed the unobstructed of biliary tract, the danger of avoiding patient biliary tract stenosis, a large amount of bile forfeiture to occur and infect.

The purpose of this utility model can realize by following technical scheme.

A kind of biliary tract supports inner drainage tube, comprises body, and described body is a spiral arm by top, and the middle part is a straight-arm, and the bottom is that the structure of side lobe arm constitutes, and described side lobe arm is provided with side lobe, and described spiral arm and side lobe arm are provided with side opening.

Described spiral arm is made of 2-5 spiral, its brachium 20-40mm, described screw diameter 10-20mm; The long 40-100mm of described straight-arm; Described side lobe brachium 20-40mm; Described side lobe arm is provided with 1-4 side lobe, the long 3-10mm of side lobe; Described body is provided with 1-3 label, and described label is made of metal; Described body is made by silica gel or plastics; Described body external diameter is 2-3.5mm, internal diameter 0.7-3.0mm; Described lateral aperture is 0.5-2.8mm.

This utility model biliary tract supports inner drainage tube and compared with prior art has following beneficial effect:

1. this utility model adopts the spiral arm structure that three-dimensional supporting role is arranged, can prevent that body from coming off, simultaneously can avoid biliary tract stenosis again, bile both can pass through the body drain, again can be by the lacuna drain that spiral arm surrounded, and drainage effect is good, thereby disposable stitching bile duct wall, the anatomical structure integrity and the normal physiological function that have kept biliary tract because helical structure has stronger retractility, also are convenient to the taking-up of drainage tube;

2. this utility model side lobe arm is provided with the side lobe structure, and side lobe can open automatically, thereby prevents that effectively the side lobe arm is to near-end common bile duct internal shift;

3. this utility model is outside equipped with label at body, can develop under lonizing radiation, is convenient to the position of patient's postoperative irradiation line location drainage tube;

4. the bile duct exploration postoperative can disposable stitching bile duct wall, has kept the anatomical structure integrity and the normal physiological function of biliary tract;

5. this utility model inner drainage tube is implemented in the patient body, compare the danger that to avoid patient to lose a large amount of bile and infection with drainage tube, patient's post-operative recovery is fast, also reduced simultaneously patient's misery, has stopped the appearance of cholangitis, pancreatitis and complication such as hemorrhage effectively.

Description of drawings

Fig. 1 is that biliary tract of the present utility model supports the inner drainage tube structural representation;

Fig. 2 is the local enlarged diagram of spiral arm of the present utility model;

Fig. 3 a is the closed local enlarged diagram of side lobe of the present utility model;

Fig. 3 b is that side lobe of the present utility model opens local enlarged diagram;

Fig. 4 is that biliary tract of the present utility model supports inner drainage tube placement sketch map.

Reference numeral:

1---spiral arm upper end uncovered 2---spiral arm 3---side opening

4---straight-arm 5---body 6---side lobe arms

7---side lobe 8---cystic duct broken ends of fractured bone 9---house steward and common bile duct epimeres

10---hypomere 11 in the common bile duct---ductus pancreaticus 12---vater's papillies

13---duodenum 14---label 15---side lobe arm open ended

The specific embodiment

Below in conjunction with accompanying drawing this utility model is described in detail.

In Fig. 1, biliary tract supports inner drainage tube, comprises body 5, and described body 5 is made by silica gel or plastics; The external diameter of its body 5 is 2-3.5mm, and internal diameter is 0.7-3.0mm; Described body 5 tops are spiral arm 2, and described spiral arm 2 is made of 2-5 spiral, and its brachium is 20-40mm, and the diameter of spiral is 10-20mm; Described middle part is a straight-arm 4, and its straight-arm 4 length are 40-100mm; Described bottom is a side lobe arm 6, and side lobe arm 6 length are 20-40mm, and side lobe arm 6 is provided with 1-4 side lobe 7, the long 3-10mm of side lobe; Described body 5 is provided with 1-3 label 14, this label can be arranged on the spiral arm 2, on spiral arm 2 and straight-arm 4 intersections, the side lobe arm 6 or body 5 other positions, its method to set up can be a parcel, it also can be coating, described label 14 is generally metal, can under lonizing radiation, develop, so that determine the position of drainage tube in case of necessity; Described spiral arm 2 and side lobe arm 6 are provided with side opening 3, and described lateral aperture is 0.5-2.8mm.The present embodiment spiral arm is made of 3 spirals, and spiral brachium 30mm, screw diameter are 10mm, and pitch is 10mm; The long 70mm of straight-arm, side lobe arm 6 long 30mm, the side lobe arm is provided with 1 side lobe, at spiral arm, spiral arm and straight-arm intersection and side lobe arm place, 3 of labels are set respectively, described label is a flake aluminum, be provided with 10 side openings in the spiral arm inboard, the side lobe arm is provided with 4 side openings, uniform distribution, and the aperture is 1.5mm.

As shown in Figure 1, spiral arm 2 and side lobe arm 6 two side ends are uncovered shape, and spiral arm upper end uncovered 1 and side lobe arm open ended 15 places require smooth circle blunt, can not damage total tube wall of gallbladder (liver) and duodenal wall like this, are convenient to intubate again; Spiral part clockwise or rotation counterclockwise all can, present embodiment is for turning clockwise; Described spiral arm 2 parts have certain retractility, and behind tractive, pitch strengthens, and screw diameter dwindles, and spiral arm 2 is elongated, and is intimate stretching, is easier to pull out in biliary tract.

The material that described body 5 is adopted, should be too not hard or too soft, too firmly easily be flexed into the angle, and it is big to bile duct wall and intestinal wall zest, the too soft easily sunken obstruction tube chamber of tube wall in the attraction process, and be not easy to intubate, body 5 can adopt silica gel, latex, rubber and polrvinyl chloride, adopts silica gel or polyethylene, politef, polrvinyl chloride usually, and human body is had no side effect, also certain pliability to be arranged, tolerate certain pulling force, present embodiment adopts politef, is easy to moulding, external diameter is 2.5mm, and internal diameter is 2.0mm.

In Fig. 2, the pitch of described spiral arm 2 is 5-20mm; The side opening 3 that is provided with on the spiral arm 2 is preferably disposed on spiral arm 2 inboards, guarantees better drainage effect.

In Fig. 3, described side lobe arm 6 is provided with side lobe 7 apart from terminal 10-30mm place; Side lobe 7 is the positions that are no more than tube wall 1/3 apart from the terminal 20-40mm of side lobe arm place, the oblique cutting of terminad direction forms, tube chamber can be appeared and also tube chamber can be do not exposed, form the wedge side lobe, the long 3-10mm of side lobe is when inserting the human body common bile duct, side lobe 7 is attached on the choledochal wall, combine together with the common bile duct tube wall, open shape such as reversed acanthoid automatically after entering duodenum; Described side lobe 7 can be provided with 1-4 in an aspect or different aspects.Present embodiment is in the aspect of side lobe arm apart from terminal 24mm place, the oblique long side lobe of a 6mm that is cut with,

In Fig. 4, finish bile duct exploration, and after using choledochoscope to confirm the noresidue calculus, measure the distance of the lower end, bile duct stenosis place of gained according to choledochoscope to vater's papilla 12, select the drainage tube of corresponding straight-arm 4 length, side lobe arm 6 is inserted duodenum 13 through vater's papilla 12, straight-arm 4 is placed common bile duct hypomere 10; According to gallbladder (liver) house steward 9 degrees of expansion, select the drainage tube of corresponding spiral arm 2 diameters, spiral arm 2 parts are inserted in gallbladder (liver) house steward 9 of incision, play the effect of supporting slip-off preventing and interior drain; After side lobe arm 6 entered duodenum 13, side lobe 7 opened automatically, is reversed acanthoid, simultaneously because the effect of drainage tube to the common bile duct internal shift that prevent played in vater's papilla 12 sphincteral existence; Disposable then stitching bile duct wall, postoperative 5-7 days, the utilization duodenoscope was extracted drainage tube by side lobe arm 6 parts that vater's papilla exposes.

This utility model biliary tract supports inner drainage tube and is mainly used in after bile duct exploration finishes, gallbladder (liver) house steward's support and interior drain, because spiral arm 2 has three-dimensional supporting role, can prevent to come off, can avoid biliary tract stenosis again, bile both can enter duodenum by drainage tube chamber, inner chamber that can be surrounded by body spiral arm 2 and body straight-arm and common bile duct gap drain into duodenum 13 again, drainage effect is good, thereby disposable stitching bile duct wall has kept the anatomical structure integrity and the normal physiological function of biliary tract.

This utility model can be made multiple model, the spiral arm section diameter can be designed to different sizes such as 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, the spiral arm partial-length can be designed to different sizes such as 20mm, 30mm, 40mm, and the straight-arm partial-length can be designed to different sizes such as 50mm, 60mm, 70mm, 80mm, 90mm, 100mm.

More than be schematically to the description of this utility model and embodiment thereof, do not have restricted.So, if those of ordinary skill in the art is enlightened by it, under the situation that does not break away from this utility model creation aim, make other embodiment, all should belong to protection domain of the present utility model.

Claims

1. a biliary tract supports inner drainage tube, comprises body, it is characterized in that described body is a spiral arm by top, and the middle part is a straight-arm, and the bottom is that the structure of side lobe arm constitutes, and described side lobe arm is provided with side lobe, and described spiral arm and side lobe arm are provided with side opening.

2. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described spiral arm is made of 2-5 spiral, its brachium 20-40mm, described screw diameter 10-20mm.

3. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that the long 40-100mm of described straight-arm.

4. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described side lobe brachium 20-40mm.

5. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described side lobe arm is provided with 1-4 side lobe, the long 3-10mm of side lobe.

6. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described body is provided with 1-3 label, and described label is made of metal.

7. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described body is made by silica gel or plastics.

8. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described body external diameter is 2-3.5mm, internal diameter 0.7-3.0mm.

9. biliary tract according to claim 1 supports inner drainage tube, it is characterized in that described lateral aperture is 0.5-2.8mm.