CN213131502U - Direct puncture type fistulous tract gradual expansion drainage tube with balloon - Google Patents
Direct puncture type fistulous tract gradual expansion drainage tube with balloon Download PDFInfo
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- CN213131502U CN213131502U CN202020349753.4U CN202020349753U CN213131502U CN 213131502 U CN213131502 U CN 213131502U CN 202020349753 U CN202020349753 U CN 202020349753U CN 213131502 U CN213131502 U CN 213131502U
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- drainage tube
- balloon
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- air bag
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Abstract
A direct puncture fistula tract gradual expansion drainage tube with a balloon belongs to the technical field of medical appliance manufacturing. The device comprises a drainage tube, a supporting tube and a needle core, wherein the head part of the drainage tube is conical and is provided with a spherical air bag and a cylindrical air bag, and the tail part of a water injection channel in the drainage tube is provided with a connector; a side hole is arranged on the pipe wall between the spherical air bag and the cylindrical air bag; the surface of the connector at the tail part of the drainage tube is provided with threads, the tail part of the supporting tube is provided with a connecting cap, and the inner uniform wall and the outer wall of the supporting tube are provided with threads which are matched with the threads on the surface of the tail part structure of the drainage tube; the tail part of the needle core is provided with a connecting cap, the inner wall of the needle core is provided with threads which are matched with the threads on the outer wall of the connecting cap of the supporting tube. The stylet is inserted into the support tube and the tail end is screwed, and then the support tube is placed into the drainage tube and the tail end is screwed. The utility model has the advantages of direct puncture, little damage, few complications and simple operation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument makes, a take direct puncture type fistula of sacculus way expansion drainage tube step by step is related to.
Background
Calculus of gallbladder and intrahepatic and extrahepatic bile ducts is a common disease and can induce complications such as acute and chronic cholecystitis, cholangitis, obstructive jaundice, biliary tumors and the like. The traditional treatment modes of gallstones are abdominal cholecystectomy and liver lobe resection, and the laparoscopic and choledochoscope technology is increasingly developed nowadays, and the cholecystotomy and the biliary tract exploration lithotomy under the laparoscope become important means for treating the gallstones.
No matter the cholecystotomy is performed under a laparoscope, the biliary tract exploration calculus extraction needs to be performed under general anesthesia. For the elderly and high-risk patients who can not tolerate the general anesthesia risk and the patients who receive a plurality of laparotomy operations, percutaneous transhepatic cholecystectomy and bile duct puncture drainage can be adopted firstly, then the fistula tract is gradually expanded, and when the fistula tract is expanded to more than 16Fr, a choledochoscope can be placed through the fistula tract to enter the gallbladder and lithotript in the duct. Fistulous tract expansion comprises two modes, wherein one mode is that different types of hard expansion tubes are used for expanding the fistulous tract in one operation, but the mode still needs to be completed under the general anesthesia state, complications such as bleeding, liver abscess and gallbladder leakage easily occur, the other mode is that a biliary tract drainage tube with a thicker type is replaced discontinuously, anesthesia is not needed in the mode, but the interval between two operations is longer, so that the disease treatment time is longer. If the interval time is shorter or a drainage tube with a thicker model is selected, the pain of the patient is increased, and the difficulty of tube placement is also increased.
Disclosure of Invention
The utility model aims at providing a direct puncture fistula tract step-by-step expansion drainage tube with a balloon, which can be directly punctured, has small damage, few complications and simple operation.
The utility model comprises a drainage tube 1, a support tube 2 and a needle core 14, wherein the tail part of the support tube 2 is connected with the tail part of the drainage tube 1 and the tail part of the needle core 14; the outer surface of the connector at the tail part of the drainage tube 1 is provided with an external thread I3; the tail part of the supporting tube 2 is provided with a connecting cap I5, and the inner wall and the outer wall of the connecting cap I5 are provided with an internal thread I4 and an external thread II 15; the tail part of the needle core 14 is provided with a connecting cap II 16, and the inner wall of the connecting cap II is provided with an internal thread II 17; the needle core 14 is inserted into the supporting tube 2, the tail end is screwed down, the external thread I3 is in fit connection with the internal thread I4, the supporting tube 2 is placed into the drainage tube 1, the tail end is screwed down, and the external thread II 15 is in fit connection with the internal thread II 17; a spherical air bag 11 is arranged on the drainage tube 1, a water injection channel I6 is arranged in the spherical air bag 11 and is connected with a connector I8 arranged at the tail part of the drainage tube 1; a cylindrical air bag 12 is arranged on the drainage tube 1, a water injection channel II 7 is arranged in the cylindrical air bag 12 and is connected with a connector II 9 arranged at the tail part of the drainage tube 1; a side hole 10 is arranged on the wall of the drainage tube 1 between the spherical air bag 11 and the cylindrical air bag 12;
the head of the drainage tube 1 is conical;
the length of the drainage tube 1 is 60-100cm, the outer diameter is 7Fr, and the inner diameter is 5 Fr;
the support tube 2 is 60-100cm long, and has an outer diameter of 4.5Fr and an inner diameter of 3.5 Fr;
the needle core 14 is 60.5-100.5cm long and has an outer diameter of 3 Fr;
the diameter of the spherical air bag 11 is 0.6-2 cm;
the outer diameter of the cylindrical air bag 12 is 8-11 Fr;
the outer diameter of the cylindrical air bag 12 is 12-15 Fr;
the outer diameter of the cylindrical air bag 12 is 16-19 Fr;
1-10 side holes 10 are arranged on the tube wall of the drainage tube 1;
the number of the side holes 10 arranged on the tube wall of the drainage tube 1 is 5;
the upper part of the support pipe 2 is provided with a non-slip mat 13.
The utility model discloses the beneficial effect who reaches is:
1. the balloon type of the device is complete, but the type of the drainage tube is 7Fr, so the device is easy to be placed in a fistula tract;
2. the saccule is arranged at the head end of the device, so that the displacement of the drainage tube is avoided;
3. this device somatic part sets up the cylindricality sacculus, takes the mode of pressurizeing gradually to expand fistulous way gradually, can not cause fistulous way to tear the hemorrhage, and the side reaction such as pain is littleer.
4. The maximum expansion diameter of each column-shaped air sac expansion saccule is variable, and the times of replacing the drainage tube can be reduced. The fistula tract has less side effects such as lacerated bleeding and pain.
5. The device can be directly punctured into the gall bladder through the skin under local anesthesia, the operation process is simplified, a guide wire and a puncture needle are not needed, the operation time and the medical cost are saved, and complications such as abdominal pain and the like caused by bile entering an abdominal cavity in the conventional puncturing process are avoided.
Drawings
FIG. 1 is a schematic view of a drainage tube of the present invention,
figure 2 is a schematic view of the support tube of the present invention,
figure 3 is a schematic view of the inventive stylet,
figure 4 is a schematic view of the invention after assembly,
figure 5 is a schematic view of the inflated head balloon of the present invention,
figure 6 is a schematic view of the inflated dilation balloon of the present invention,
fig. 7 is a schematic view of the present invention being placed in a desired location to expand a fistula tract;
the drainage tube comprises a drainage tube 1, a support tube 2, a connecting cap I, a water injection channel II, a connector I, a side hole 10, a spherical air bag 11, a cylindrical air bag 12, an anti-skid pad 13, a needle core 14, an external thread II, a connecting cap II, an internal thread II, a section A and a section B.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model comprises a drainage tube 1, a supporting tube 2 and a needle core 14, wherein the outer surface of the connector at the tail part of the drainage tube 1 is provided with an external thread I3; the tail part of the supporting tube 2 is provided with a connecting cap I5, and the inner wall and the outer wall of the connecting cap I5 are provided with an internal thread I4 and an external thread II 15; the tail part of the needle core 14 is provided with a connecting cap II 16, and the inner wall of the connecting cap II is provided with an internal thread II 17; the needle core 14 is inserted into the supporting tube 2, the tail end is screwed, the external thread I3 is in fit connection with the internal thread I4, the supporting tube 2 is placed into the drainage tube 1, the tail end is screwed, and the external thread II 15 is in fit connection with the internal thread II 17;
the head of the drainage tube 1 is conical; the outer diameter is 7Fr, and the inner diameter is 5 Fr; the support tube 2 is 90cm long, and has an outer diameter of 4.5Fr and an inner diameter of 3.5 Fr; the needle core 14 is 90.5cm long and has an outer diameter of 3 Fr;
a spherical air bag 11 is arranged on the drainage tube 1, a water injection channel I6 is arranged in the spherical air bag 11 and is connected with a connector I8 arranged at the tail part of the drainage tube 1; the diameter of the spherical air bag 11 is 1.5 cm;
a cylindrical air bag 12 is arranged on the drainage tube 1, a water injection channel II 7 is arranged in the cylindrical air bag 12 and is connected with a connector II 9 arranged at the tail part of the drainage tube 1; the outer diameter of the cylindrical air bag 12 is 8-11 Fr;
5 side holes 10 are arranged on the wall of the drainage tube 1 between the spherical air bag 11 and the cylindrical air bag 12;
the upper part of the supporting tube 2 is provided with an anti-skid pad 13;
the section A above is a tube sac or bile duct, the abdominal wall and liver parenchyma are arranged between the section A and the section B, and the section B is skin.
After the device is directly punctured and placed into a designated position of a bile duct through the skin under the guidance of ultrasound or X rays, physiological saline containing a contrast agent is injected into the connector I8 to prevent the drainage tube 1 from moving, the drainage tube 2 and the needle core 14 are withdrawn, the physiological saline containing the contrast agent is intermittently injected into the connector II 9 by using a pressure pump, the columnar air bag 12 is gradually filled, and the fistula is slowly expanded.
Claims (9)
1. A direct puncture fistulous tract gradual expansion drainage tube with a balloon comprises a drainage tube (1), and is characterized by further comprising a support tube (2) and a stylet (14), wherein the outer surface of a connector at the tail part of the drainage tube (1) is provided with an external thread I (3); a connecting cap I (5) is arranged at the tail part of the supporting tube (2), and an internal thread I (4) and an external thread II (15) are arranged on the inner wall and the outer wall of the connecting cap I (5); the tail part of the needle core (14) is provided with a connecting cap II (16), and the inner wall of the needle core is provided with an internal thread II (17); the needle core (14) is inserted into the supporting tube (2), the tail end is screwed, the external thread I (3) is in fit connection with the internal thread I (4), the supporting tube (2) is placed into the drainage tube (1), the tail end is screwed, and the external thread II (15) is in fit connection with the internal thread II (17); a spherical air bag (11) is arranged on the drainage tube (1), a water injection channel I (6) is arranged in the spherical air bag (11) and is connected with a connector I (8) arranged at the tail part of the drainage tube (1); a cylindrical air bag (12) is arranged on the drainage tube (1), and a water injection channel II (7) is arranged in the cylindrical air bag (12) and is connected with a connector II (9) arranged at the tail part of the drainage tube (1).
2. A balloon-based direct puncture fistula tract step-by-step dilatation catheter according to claim 1, wherein the catheter (1) has a length of 60-100cm, an outer diameter of 7Fr and an inner diameter of 5 Fr; the length of the supporting tube (2) is 60-100cm, the outer diameter is 4.5Fr, and the inner diameter is 3.5 Fr; the needle core (14) is 60.5-100.5cm long and has an outer diameter of 3 Fr.
3. A balloon-based direct-puncture fistula tract step-by-step dilation drain according to claim 1, wherein the spherical balloon (11) has a diameter of 0.6-2 cm.
4. A balloon-based direct-puncture fistula tract step-by-step dilation drain according to claim 1, wherein the cylindrical balloon (12) has an outer diameter of 8-11 Fr.
5. A balloon-based direct-puncture fistula tract step-by-step dilation drain according to claim 1, wherein the cylindrical balloon (12) has an outer diameter of 12-15 Fr.
6. A balloon-based direct-puncture fistula tract step-by-step dilation drain according to claim 1, wherein the cylindrical balloon (12) has an outer diameter of 16-19 Fr.
7. A balloon-based direct-puncture fistula tract step-by-step dilatation catheter according to claim 1, 2, 3, 4, 5 or 6, wherein a side hole (10) is provided in the wall of the catheter (1) between the spherical balloon (11) and the cylindrical balloon (12).
8. The balloon-equipped step-wise dilatation catheter for direct puncture fistula according to claim 7, wherein the number of the side holes (10) provided on the wall of the catheter (1) is 1-10.
9. A balloon-based direct-puncture fistula tract step-by-step dilatation catheter according to claim 8, wherein 5 side holes (10) are provided in the wall of the catheter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349753.4U CN213131502U (en) | 2020-03-19 | 2020-03-19 | Direct puncture type fistulous tract gradual expansion drainage tube with balloon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349753.4U CN213131502U (en) | 2020-03-19 | 2020-03-19 | Direct puncture type fistulous tract gradual expansion drainage tube with balloon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213131502U true CN213131502U (en) | 2021-05-07 |
Family
ID=75707765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020349753.4U Expired - Fee Related CN213131502U (en) | 2020-03-19 | 2020-03-19 | Direct puncture type fistulous tract gradual expansion drainage tube with balloon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213131502U (en) |
-
2020
- 2020-03-19 CN CN202020349753.4U patent/CN213131502U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |