Internal and external drainage biliary stent

Abstract

The utility model belongs to the technical field of biliary tract stents, and particularly relates to an internal and external drainage biliary tract stent which comprises a connector and further comprises a compression cavity fixedly installed on one side of the connector, a threaded groove is fixedly formed in the inner wall of the compression cavity, a compression rod is installed on one side of the threaded groove in a penetrating mode, and the threaded groove is arranged through the compression cavity. Then the compression cavity is movably connected with the compression rod conveniently through the threaded groove, then the compression cavity and the air bag are conveniently connected through the air pipe, then when an operation starts, the stent is placed in an operation opening, and when the stent reaches a designated position, air in the compression cavity is reduced by screwing the compression rod, so that the air bag is inflated; the drainage tube is simple in structure and convenient to use, the inflation size of the air bag can be controlled, so that ectopic and falling of the drainage tube are avoided, the problem of intestinal juice backflow is solved, diseases such as cholangitis and septicopyemia of a patient caused by intestinal juice backflow are avoided, the safety of an operation is improved, and postoperative rehabilitation is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to biliary tract stent technical field especially relates to inside and outside drainage biliary tract stent. BACKGROUND

[0002] Inside and outside drainage biliary tract stent is a kind of medical devices, it is mainly used to treat biliary stricture, bile duct obstruction caused by gallstone, this kind of stent can form passageway inside biliary tract, so that bile can be smoothly drained to intestinal tract, to reduce symptoms, improve patient's quality of life, pigtail in the tail of ordinary drainage tube can open the tail opening of biliary tract tail, easily lead to liquid reflux and cause infection, thereby reduce the safety of device use time, therefore propose inside and outside drainage biliary tract stent.

[0003] For example, the patent with the publication number CN206167590U discloses a biliary tract internal and external drainage tube, which comprises a pipe body, a developing mark is arranged on the front part of the pipe body, two contraction supports are arranged on the pipe body in front of the developing mark, the contraction support is a outwardly convex framework hollow structure surrounded by a plurality of support edges made of elastic material, a side hole is arranged on the pipe body between the two contraction supports, and a limiting pipe is arranged on the pipe body outside the second contraction support.

[0004] The prior art document has the following problems:

[0005] The prior art document has some shortcomings when in use, for example, the pigtail in the tail of ordinary drainage tube can open the tail opening of biliary tract tail, easily lead to liquid reflux and cause infection, thereby reduce the safety of device use time, and the external part of normal drainage stent is rigid, so that the biliary tract is easily damaged during surgery, thereby reducing the recovery of patients after surgery. In view of this, the inside and outside drainage biliary tract stent is proposed. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at the above-mentioned technical problem, provides inside and outside drainage biliary tract stent, achieves the effect of preventing intestinal fluid reflux and reducing damage of stent to biliary tract.

[0007] Therefore, the utility model provides inside and outside drainage biliary tract stent, including connecting head, still include: the one side fixed mounting of connecting head has compression cavity, the inner wall fixed setting of compression cavity has screw groove, the one side of screw groove penetrates and is installed compression rod, the other side penetration and installation of compression cavity inside has trachea, the top of trachea is covered with air bag, the top fixed mounting of connecting head has flexible pipe, the top fixed mounting of flexible pipe has guide pipe, the surface of guide pipe is covered with transparent layer, the surface of transparent layer is covered with super slip layer, the bottom penetration and installation of connecting head has screw head.

[0008] Based on the above structure, when the operation starts, the bracket is placed into the operation port, then when reaching the designated position, the air inside the compression cavity is reduced by twisting the compression rod, the gas bag is inflated, the size of the gas bag inflation can be controlled, the friction and damage of the guide tube to the inner wall of the bile duct are reduced through the super-smooth layer, then the accumulated liquid is discharged through the drainage hole, and the influence of the accumulated liquid on the operation is avoided.

[0009] Preferably, one side of the compression rod is fixedly provided with a handle, the handle is circular in shape, and the handle is used for conveniently twisting the compression rod.

[0010] Preferably, the super-smooth layer is provided with a drainage hole at one side, and the drainage hole is circular in shape.

[0011] Preferably, an inner thread sleeve is fixedly arranged at the bottom of the connecting head, and a fixing sleeve is fixedly arranged on the surface of the connecting head.

[0012] Preferably, a connecting rope is fixedly arranged on the other side of the fixing sleeve, and a sealing plug is fixedly arranged on the other side of the connecting rope.

[0013] Preferably, a stop valve is fixedly arranged at the bottom of the threaded head, and a liquid guide pipe is fixedly arranged at the bottom of the stop valve.

[0014] Preferably, a liquid storage bag is fixedly arranged at the bottom of the liquid guide pipe, and the liquid storage bag is made of PVC.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The inner-outer drainage bile duct support is provided with a compression cavity, a threaded groove, a compression rod, a gas tube and a gas bag, the threaded groove is arranged on the compression cavity, the compression rod is movably connected to the compression cavity through the threaded groove, the gas tube is connected to the compression cavity, and the gas bag is connected to the gas tube.

[0017] 2. The inner and outer drainage biliary tract stent is connected and installed through the hose to the guide pipe, then the transparent layer is set through the guide pipe, then the super-smooth layer is connected and set through the transparent layer, then the stent is conveniently placed into the surgical port through the guide pipe, then the super-smooth layer reduces the friction and damage of the guide pipe to the inner wall of the biliary tract, then the effusion is conveniently discharged through the drainage hole, the effusion is avoided to affect the operation, the operation damage to the biliary tract is reduced through the action of the super-smooth layer, and the recovery of the patient's body after the operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole perspective view of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the utility model;

[0020] Figure 3 It is a partial structure schematic view of the compression cavity in the utility model;

[0021] Figure 4 It is a partial structure schematic view of the hose in the utility model;

[0022] Figure 5 It is a partial perspective view of the threaded head in the utility model;

[0023] Figure 6 It is a partial structure schematic view of the connector in the utility model.

[0024] The marks in the drawing are:

[0025] 1, connector; 101, internal thread sleeve; 102, fixed sleeve; 103, connecting rope; 104, sealing plug; 2, compression cavity; 201, threaded groove; 202, compression rod; 203, handle; 204, trachea; 205, air bag; 3, hose; 301, guide pipe; 302, transparent layer; 303, super-smooth layer; 304, drainage hole; 4, threaded head; 401, flow stop valve; 402, liquid guide pipe; 403, liquid storage bag. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] The inner and outer drainage biliary tract stent is disclosed in the embodiments of the application, please refer to Figures 1-6The utility model provides a kind of gastric stent, including connecting head 1, still including: the one side fixed mounting of connecting head 1 has compression cavity 2, the inner wall of compression cavity 2 is fixedly provided with thread groove 201, the one side of thread groove 201 is installed with compression rod 202, the other side inside compression cavity 2 is installed with air pipe 204, air pipe 204's top is sleeved with air bag 205, the top of connecting head 1 is fixedly installed with hose 3, the top of hose 3 is fixedly installed with guide pipe 301, the surface of guide pipe 301 is sleeved with transparent layer 302, the surface of transparent layer 302 is sleeved with super slippery layer 303, the bottom of connecting head 1 is installed with threaded head 4.

[0028] Based on the above structure, the thread groove 201 is set by the compression cavity 2, then the compression cavity 2 is conveniently connected with the compression rod 202 by the thread groove 201, then the compression cavity 2 is connected with the air bag 205 by the air pipe 204, then the stent is placed in the surgical opening when the operation starts, and then the air in the compression cavity 2 is reduced by twisting the compression rod 202 when reaching the specified position, so that the air bag 205 is inflated, and the size of the air bag 205 can be controlled, so that the gastric stoma is blocked, and the problem of liquid reflux is prevented, the problem of patient disturbance caused by liquid reflux is avoided, the safety of the operation is improved, and the stent is placed in the surgical opening by the guide pipe 301, then the transparent layer 302 is set by the guide pipe 301, then the super slippery layer 303 is connected by the transparent layer 302, then the stent is placed in the surgical opening by the guide pipe 301, then the friction and damage of the guide pipe 301 to the inner wall of the biliary tract is reduced by the super slippery layer 303, then the effusion is discharged by the drainage hole 304, the effusion affects the operation, the damage of the operation to the biliary tract is reduced by the super slippery layer 303, and the recovery of the patient's body after the operation is facilitated.

[0029] In one embodiment, the handle 203 is fixedly installed on one side of the compression rod 202, and the handle 203 is circular in shape.

[0030] Specifically, the handle 203 is installed by the compression rod 202.

[0031] In this embodiment, the handle 203 is used to facilitate the twisting of the compression rod 202, and the difficulty of the twisting of the compression rod 202 is reduced.

[0032] In one embodiment, the super slippery layer 303 is provided with a drainage hole 304 at equal intervals on one side, and the drainage hole 304 is circular in shape.

[0033] Specifically, the drainage hole 304 is provided by the super slippery layer 303.

[0034] In this embodiment, the drainage hole 304 is used to facilitate the drainage of accumulated fluid, so as to avoid the accumulated fluid affecting the operation.

[0035] In one embodiment, an internal threaded sleeve 101 is fixedly provided at the bottom of the connector 1, and a fixing sleeve 102 is fixedly installed on the surface of the connector 1.

[0036] Specifically, the internal threaded sleeve 101 is set through connector 1, and then the fixed sleeve 102 is installed through connector 1.

[0037] In this embodiment, the internal threaded sleeve 101 is used to facilitate the connection of the threaded head 4, and the fixing sleeve 102 is used to facilitate the limiting of the sealing plug 104.

[0038] In one embodiment, a connecting rope 103 is fixedly installed on the other side of the fixing sleeve 102, and a sealing plug 104 is fixedly installed on the other side of the connecting rope 103.

[0039] Specifically, the connecting rope 103 is installed through the fixing sleeve 102, and then the sealing plug 104 is connected through the connecting rope 103.

[0040] In this embodiment, the connecting rope 103 is used to limit the sealing plug 104, and then the sealing plug 104 seals the internal threaded sleeve 101 when the connector 1 is not in use.

[0041] In one embodiment, a check valve 401 is fixedly installed at the bottom of the threaded head 4, and a liquid guide tube 402 is fixedly installed at the bottom of the check valve 401.

[0042] Specifically, the check valve 401 is connected via the threaded head 4, and then the liquid guide tube 402 is connected via the check valve 401.

[0043] In this embodiment, the flow control valve 401 is used to conveniently control the start and stop of the backflow of the accumulated liquid.

[0044] In one embodiment, a liquid storage bag 403 is fixedly installed at the bottom of the liquid guide tube 402, and the liquid storage bag 403 is made of PVC material.

[0045] Specifically, the liquid storage bag 403 is connected through the liquid guide tube 402.

[0046] In this embodiment, the fluid collection bag 403 is used to recover the accumulated fluid, which is then disposed of uniformly after the operation.

[0047] In this embodiment, the internal and external drainage biliary stent is used by setting the internal threaded sleeve 101 through the connector 1, then installing the fixing sleeve 102 through the connector 1, installing the connecting rope 103 through the fixing sleeve 102, then connecting the sealing plug 104 through the connecting rope 103, setting the threaded groove 201 through the compression chamber 2, then facilitating the movable connection of the compression rod 202 through the threaded groove 201, installing the handle 203 through the compression rod 202, and then facilitating the connection between the compression chamber 2 and the airbag 205 through the air tube 204. The procedure involves connecting the guide tube 301 to the surgical incision via the tubing 3, then connecting the transparent layer 302 to the guide tube 301, and finally connecting the super-slippery layer 303 to the transparent layer 302. The stent is then placed inside the surgical incision using the guide tube 301. The super-slippery layer 303 reduces friction and damage to the bile duct wall caused by the guide tube 301. The accumulated fluid is then drained through the drainage hole 304. The drain valve 401 connects to the drainage tube 402, and the drainage tube 402 connects to the storage bag 403.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An internal and external drainage biliary stent, including a connector (1), characterized in that, Also includes: A compression chamber (2) is fixedly installed on one side of the connector (1). A threaded groove (201) is fixedly provided on the inner wall of the compression chamber (2). A compression rod (202) is installed through one side of the threaded groove (201). An air tube (204) is installed through the other side of the compression chamber (2). An air bag (205) is sleeved on the top of the air tube (204). A hose (3) is fixedly installed on the top of the connector (1). A guide tube (301) is fixedly installed on the top of the hose (3). A transparent layer (302) is sleeved on the surface of the guide tube (301). A super-slippery layer (303) is sleeved on the surface of the transparent layer (302). A threaded head (4) is installed through the bottom of the connector (1).

2. The internal and external drainage biliary stent according to claim 1, characterized in that: A handle (203) is fixedly installed on one side of the compression rod (202), and the handle (203) is circular in shape.

3. The internal and external drainage biliary stent according to claim 1, characterized in that: The super-slippery layer (303) has drainage holes (304) equidistantly arranged on one side, and the drainage holes (304) are circular in shape.

4. The internal and external drainage biliary stent according to claim 1, characterized in that: An internal threaded sleeve (101) is fixedly provided at the bottom of the connector (1), and a fixing sleeve (102) is fixedly installed on the surface of the connector (1).

5. The internal and external drainage biliary stent according to claim 4, characterized in that: A connecting rope (103) is fixedly installed on the other side of the fixing sleeve (102), and a sealing plug (104) is fixedly installed on the other side of the connecting rope (103).

6. The internal and external drainage biliary stent according to claim 1, characterized in that: A check valve (401) is fixedly installed at the bottom of the threaded head (4), and a liquid guide tube (402) is fixedly installed at the bottom of the check valve (401).

7. The internal and external drainage biliary stent according to claim 6, characterized in that: A liquid storage bag (403) is fixedly installed at the bottom of the liquid guide tube (402), and the liquid storage bag (403) is made of PVC material.

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