CN109224258B - Nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof - Google Patents
Nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof Download PDFInfo
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- A61M25/00—Catheters; Hollow probes
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- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
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- A61M2202/0403—Gall; Bile
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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Abstract
The invention discloses a nasal biliary external drainage tube for preventing papillary hemorrhage and application thereof, wherein the nasal biliary external drainage tube for preventing papillary hemorrhage comprises a first straight tube, a first drainage tube section, a second drainage tube section, a third drainage tube section, a fourth drainage tube section and a second straight tube, wherein tube cavities of the first straight tube, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube are sequentially communicated; the first straight pipe comprises a head end, a first pipe section and a second pipe section, wherein the pipe cavities of the head end, the first pipe section and the second pipe section are sequentially communicated; the first pipe section comprises a plurality of arc-shaped pipe walls which are uniformly distributed by taking the axis of the first pipe section as an axis and are protruded towards the direction far away from the axis of the first pipe section, and two ends of each arc-shaped pipe wall are respectively connected with the lower end of the head end and the upper end of the second pipe section; the first drainage pipe section is a spiral elastic pipe; the second drainage tube section is a straight tube, and the outer wall of the second drainage tube section is sleeved with a saccule. The nasal biliary external drainage tube for preventing papillary hemorrhage is provided with the saccule, so that the pressure effect can be generated on the cut papillary, and the delayed hemorrhage can be prevented; the first drainage tube section is a spiral elastic tube, and the balloon can be kept to press the nipple through the elastic tension of the first drainage tube section and the tension of the thread.
Description
Technical Field
The invention relates to a nasobiliary drainage tube and application thereof, in particular to a nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof.
Background
With the continuous development of endoscopic technology and the continuous improvement of accessories thereof, the duodenal endoscopic technology (ERCP) is an important measure for treating diseases of liver, gallbladder and pancreas, including choledocholithiasis, bile duct injury, bile duct stenosis, biliary tract complications after liver transplantation and the like. Compared with the traditional laparotomy, the technique has the advantages of small wound, high safety factor, quick recovery and the like. The patient can observe under direct vision, and can detect diseases of liver, gallbladder and pancreas which can not be detected by conventional examination of liver, gallbladder, spleen and pancreas, ultrasound, magnetic resonance and the like, and treat the diseases simultaneously, such as duodenal papillary inflammation, papillary stenosis, diverticulum beside the papilla, overlong duodenal papillary, biliary-pancreatic confluence abnormality and the like.
Endoscopic lower papillary sphincter incision and endoscopic nasobiliary drainage are conventional technologies in ERCP operation, and can be directly applied to treatment of obstructive jaundice, acute suppurative cholangitis, biliary leakage and other diseases; the postoperation indwelling nasobiliary duct can fully drain bile, reduce the pressure of biliary tracts, reduce the probability of postoperation pancreatitis and cholangitis, and simultaneously observe the property and outflow condition of the bile; for patients with acute suppurative cholangitis, the infection of biliary system can be controlled by injecting sensitive antibiotics through the nasal biliary drainage tube; the nasal bile duct instillation of hemostatic drugs such as adrenalin and thrombin has the function of preventing the delayed biliary tract hemorrhage.
The head end of the nasal biliary drainage tube for clinical application can automatically roll and squat in the bile duct, and the drainage tube has the following defects: 1. the head end of the drainage tube is naturally bent, and the anti-slip function is realized by the tension of the head end of the drainage tube on the wall of the biliary tube, but the supporting force is small, and the drainage tube is easy to slip out due to the nipple of duodenum; 2. irritation of the head end of the drainage tube to the bile duct mucosa can result in local mucosal reactive hyperplasia; 3. in the process of injecting the hemostatic drug through the ENBD tube, the drainage effect on infectious bile is lost, and the bile pressure can be increased to cause bile reflux and aggravate cholangitis; 4. when the biliary tract radiography determines that residual stones with small residues exist, secondary ERCP calculus removal treatment is needed; 5. in the process of tube drawing, the head end of the drainage tube can cause the injury of bile ducts and intestinal mucosa, and can even induce complications such as acute cholangitis, acute pancreatitis, upper gastrointestinal hemorrhage and the like; 6. stimulation of the curved tip of the drainage tube to the throat often results in severe nausea and even vomiting symptoms in the patient.
Disclosure of Invention
According to the technical problems that the drainage tube is easy to fall off, delayed bleeding and residual calculus of duodenal papilla incision are easy to occur, irritation is caused to bile ducts and intestinal mucosa, complications are caused, supporting force is insufficient and the like in the prior art, the nasobiliary external drainage tube for preventing papilla bleeding and the application thereof are provided. The technical means adopted by the invention are as follows:
a nasal biliary external drainage tube for preventing papillary hemorrhage comprises a first straight tube, a first drainage tube section, a second drainage tube section, a third drainage tube section, a fourth drainage tube section and a second straight tube, wherein the tube cavities of the first straight tube, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube are sequentially communicated;
the first straight pipe comprises a head end, a first pipe section and a second pipe section, wherein the pipe cavities of the head end, the first pipe section and the second pipe section are sequentially communicated;
the upper end of the head end is open, and the lower end of the head end is provided with a first through hole;
the first pipe section comprises a plurality of arc-shaped pipe walls which are uniformly distributed by taking the axis of the first pipe section as an axis and protrude towards the direction far away from the axis of the first pipe section, and two ends of each arc-shaped pipe wall are respectively connected with the lower end of the head end and the upper end of the second pipe section;
the second pipe section pipe cavity penetrates through the upper end and the lower end of the second pipe section, the diameter of the second pipe section pipe cavity is larger than that of the first through hole, the side wall of the second pipe section is provided with a drainage through hole communicated with the second pipe section pipe cavity, and the lower end of the second pipe section is communicated with the first drainage pipe section;
the first drainage pipe section is a spiral elastic pipe;
the second drainage pipe section is a straight pipe, and the outer wall of the second drainage pipe section is sleeved with a balloon;
the third drainage pipe section is bent and integrally forms a sigma shape with the tail section of the first drainage pipe section and the second drainage pipe section;
the fourth drainage pipe section is arc-shaped, and the arc opening of the fourth drainage pipe section faces the first pipe section;
the inner wall of the head end tube cavity is provided with a line, and the other end of the line passes through the first straight tube, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube cavity in sequence and penetrates out of the side wall of the tail end of the second straight tube;
the nasobiliary external drainage tube for preventing papillary hemorrhage further comprises a first channel, wherein one end of the first channel sequentially passes through the second straight tube, the fourth drainage tube section, the third drainage tube section and the lumen of the second drainage tube section and is communicated with the balloon.
Prevent the extranasal drainage tube of papillary hemorrhage and accord with the crooked (third drainage tube section head segment) state of duodenum, crooked (third drainage tube section tail segment) of antrum and the crooked (fourth drainage tube section) of the greater curvature of stomach, have good comfort level.
The head end is in a quasi-semi-ellipsoid shape (divided by being vertical to the major axis of the ellipsoid), and the open part of the upper end is provided with a head end opening with the diameter consistent with the diameter of the tube cavity of the head end;
the large end of the head end is connected with the arc-shaped pipe wall;
the head end lumen diameter is consistent with the first through hole.
And a plurality of transverse bulges are arranged in the middle area of the outer side of the arc-shaped pipe wall.
The external diameter of the nasobiliary external drainage tube for preventing papillary hemorrhage is 7-10 Fr;
the diameter of the tube cavity at the head end is 3Fr smaller than the outer diameter of the nasal biliary external drainage tube for preventing papillary hemorrhage, and the tube cavity diameters of the first tube section, the second tube section, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube are all 2Fr larger than the diameter of the tube cavity at the head end;
the length of the nasal biliary external drainage tube for preventing papillary hemorrhage is 2.2 m.
The distance between the two ends of the arc-shaped pipe wall in the straightening state is 2cm, and the number of the arc-shaped pipe walls is four.
The drainage through hole is oval, and the long axis of the drainage through hole is parallel to the axis of the second pipe section.
The invention also discloses a nasal biliary external drainage tube implantation device for preventing papillary hemorrhage, which comprises an inner core;
the outer wall of the inner core is sleeved with the nasal and biliary drainage tube for preventing the papillary hemorrhage;
the inner core comprises a first core pipe, a second core pipe and an inner core handle, wherein the pipe cavities of the first core pipe, the second core pipe and the inner core handle are sequentially communicated;
the first core pipe penetrates out of the upper end of the head end through the first through hole, the outer diameter of the first core pipe is smaller than that of the first through hole, and the outer diameter of the second core pipe is smaller than that of the pipe cavity of the second pipe section and larger than that of the first through hole;
the tail end of the second straight pipe is attached to the head end of the inner core handle.
The first core tube outer diameter is smaller than the head end tube cavity diameter by 1 Fr;
the outer diameter of the second core pipe is 1Fr smaller than the diameter of the pipe cavity of the second pipe section;
the diameter of the inner core tube cavity is 1 mm;
the inner core length is 2.35 m.
The invention also discloses a nasal biliary external drainage device for preventing papillary hemorrhage, which comprises the nasal biliary external drainage tube for preventing papillary hemorrhage, a drainage tube connector and a cap sleeved on the tube wall at the tail end of the second straight tube;
the drainage tube connector comprises a connector handle, the upper end of the connector handle is provided with a second straight tube connector matched with the tube cavity of the second straight tube and a first channel connector matched with the tube cavity of the first channel, and the connector handle is also provided with a first external connector and a second external connector;
a second channel for communicating the second straight pipe joint with the first external joint and a third channel for communicating the first channel joint with the second external joint are arranged in the joint handle;
the cavity wall of the tail end of the second straight pipe is sleeved on the second straight pipe joint;
the wall of the tube cavity at the tail end of the first channel is sleeved on the first channel joint;
the outer walls of the joint handle, the first external joint and the second external joint are provided with external threads;
the cap comprises a cylindrical sleeve and a circular truncated cone-shaped clamping pipe, wherein the cylindrical sleeve and the circular truncated cone-shaped clamping pipe are sequentially communicated;
the inner wall of the cylindrical sleeve is provided with an internal thread matched with the external thread on the outer wall of the joint handle;
the side wall of the circular truncated cone-shaped clamping pipe is composed of a plurality of clamping plates, the lower ends of the clamping plates are connected with the cylindrical sleeve, the upper ends of the clamping plates are adjacent to each other, the pipe wall of the tail end of the second straight pipe is clamped, the clamping plates are gradually tightened when the cap is screwed, and the second straight pipe is fixed.
The nasal biliary external drainage tube implantation device for preventing papillary hemorrhage is implanted into the intrahepatic bile duct through the duodenal papilla under the guidance of the guide wire, a plurality of arc-shaped tube walls are naturally released and integrally spherical after the inner core is pulled out, the release size of the arc-shaped tube walls can be adjusted by the tightening wire, and the nasal biliary external drainage tube for preventing papillary hemorrhage is prevented from shifting by generating pressure on the wall of the bile duct; the contrast agent-containing physiological saline is injected into the balloon through the air bag (the contrast agent-containing physiological saline sequentially passes through the second external connector, the third channel, the first channel connector and the first channel to enter the balloon), and the compression effect is generated on the incised duodenal papilla through the self elasticity of the first drainage tube section (the spiral elastic tube) and the tension of the thread, so that the delayed papilla bleeding can be prevented. In the process of pulling out the nasobiliary external drainage tube for preventing papillary hemorrhage, the integrally spherical arc-shaped tube wall can pull out residual calculi in the common bile duct, and has no stimulation to bile duct mucosa, duodenal papilla, gastrointestinal tract mucosa and laryngeal mucosa of pharynx, and can not cause complications such as acute cholangitis, acute pancreas, upper gastrointestinal hemorrhage and the like; during the process of extubation, the non-reflection of the patients is greatly reduced.
Compared with the prior art, the invention has the following advantages:
1. the first pipe section comprises a plurality of arc-shaped pipe walls, is integrally spherical after being naturally released, and plays a role in preventing displacement by generating elastic tension on the walls of the bile ducts on the periphery;
2. a plurality of transverse bulges are arranged in the middle area outside the arc-shaped tube wall, so that the anti-displacement effect of the nasal biliary external drainage tube for preventing papillary hemorrhage is enhanced;
3. the nasal biliary external drainage tube for preventing papillary hemorrhage can adjust the release size of the arc-shaped tube wall through a tightening line, keep the overall spherical shape unchanged, increase the pressure of the arc-shaped tube wall on the wall of the biliary tube, and prevent the nasal biliary external drainage tube for preventing papillary hemorrhage from shifting;
4. the second core tube has a supporting function on the head end, can keep the arc-shaped tube wall in a closed state before release, and is easy to place the nasal biliary external drainage tube for preventing papillary hemorrhage into the intrahepatic bile duct;
5. the second core tube has a supporting function on the head end, when the position of the nasal biliary outer drainage tube for preventing papillary hemorrhage is not well placed, the inner core is pushed forwards to enter the nasal biliary outer drainage tube for preventing papillary hemorrhage again, the arc-shaped tube wall is changed into a linear type, and the nasal biliary outer drainage tube for preventing papillary hemorrhage can be placed again;
6. the external drainage tube of the nose and the gallbladder for preventing the papillary hemorrhage is provided with a saccule which can generate a pressing effect on the cut papillary and prevent the delayed hemorrhage;
7. the first drainage tube section is a spiral elastic tube, and the balloon can be kept to press the nipple through the elastic tension of the first drainage tube section and the tension of the thread.
For the above reasons, the present invention can be widely applied to the fields of medical instruments and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a nasobiliary external drainage tube for preventing papillary hemorrhage according to an embodiment of the present invention (arc-shaped tube wall release, balloon filling).
FIG. 2 is a schematic view of the assembly of the inner core and the nasobiliary drainage tube for preventing papillary hemorrhage according to the embodiment of the present invention.
Fig. 3 is a schematic view of the structure of the inner core in an embodiment of the present invention.
FIG. 4 is a schematic view of the nasobiliary external drainage tube insertion device for preventing papillary hemorrhage according to the embodiment of the present invention in an operating position.
FIG. 5 is a schematic view of the position of the nasobiliary outer drain insertion device for prevention of papillary hemorrhage in the working position according to the embodiment of the present invention (inner core pulled back, arc-shaped wall released).
FIG. 6 is a simplified schematic view of an anti-migration extra-nasal-biliary drainage tube in an operative position (curved wall release, balloon inflation) according to an embodiment of the present invention.
FIG. 7 is a schematic view of the structure of the drainage tube connector in the embodiment of the present invention.
Fig. 8 is a schematic view of the structure of the cap in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and 6, a nasobiliary external drainage tube for preventing papillary hemorrhage comprises a first straight tube 1, a first drainage tube section 2, a second drainage tube section 3, a third drainage tube section 4, a fourth drainage tube section 5 and a second straight tube 6, which are sequentially communicated with each other;
the first straight pipe 1 comprises a head end 7, a first pipe section 8 and a second pipe section 9, wherein pipe cavities of the head end, the first pipe section and the second pipe section are sequentially communicated;
the upper end of the head end 7 is open, and the lower end of the head end is provided with a first through hole 10;
the first pipe section 8 comprises a plurality of arc-shaped pipe walls 11 which are uniformly distributed by taking the axis of the first pipe section 8 as an axis and protrude towards the direction far away from the axis of the first pipe section 8, and two ends of each arc-shaped pipe wall 11 are respectively connected with the lower end of the head end 7 and the upper end of the second pipe section 9;
the tube cavity of the second tube section 9 penetrates through the upper end and the lower end of the second tube section 9, the diameter of the tube cavity of the second tube section 9 is larger than that of the first through hole 10, the side wall of the second tube section 9 is provided with a drainage through hole 12 communicated with the tube cavity of the second tube section 9, and the lower end of the second tube section 9 is communicated with the first drainage tube section 2;
the first drainage pipe section 2 is a spiral elastic pipe;
the second drainage tube section 3 is a straight tube, and the outer wall of the second drainage tube section is sleeved with a balloon 13;
the third drainage pipe section 4 is bent and integrally forms a sigma shape with the tail section of the first drainage pipe section 2 and the second drainage pipe section 3;
the fourth drainage pipe section 5 is arc-shaped, and the arc opening of the fourth drainage pipe section faces the first pipe section 8;
the inner wall of the tube cavity of the head end 7 is provided with a wire 14, and the other end of the wire 14 passes through the tube cavity of the first straight tube 1, the first drainage tube section 2, the second drainage tube section 3, the third drainage tube section 4, the fourth drainage tube section 5 and the second straight tube 6 in sequence and penetrates out of the side wall of the tail end of the second straight tube 6;
the nasobiliary external drainage tube for preventing papillary hemorrhage further comprises a first channel 15, one end of the first channel is communicated with the saccule 13 through the second straight tube 6, the fourth drainage tube section 5, the third drainage tube section 4 and the lumen of the second drainage tube section 3 in sequence.
The head end 7 is similar to a semi-ellipsoid, and a head end opening 16 with the same diameter as the tube cavity of the head end 7 is arranged at the open position of the upper end of the head end;
the large end of the head end 7 is connected with the arc-shaped pipe wall 11;
the diameter of the tube cavity of the head end 7 is consistent with that of the first through hole 10.
A plurality of transverse bulges 17 are arranged in the middle area of the outer side of the arc-shaped pipe wall 11.
The external diameter of the nasobiliary external drainage tube for preventing papillary hemorrhage is 7-10 Fr;
the diameter of the tube cavity of the head end 7 is 3Fr smaller than the outer diameter of the nasobiliary drainage tube for preventing papillary hemorrhage, and the tube cavity diameters of the first tube section 8, the second tube section 9, the first drainage tube section 2, the second drainage tube section 3, the third drainage tube section 4, the fourth drainage tube section 5 and the second straight tube 6 are all 2Fr larger than the tube cavity diameter of the head end 7;
the length of the nasal biliary external drainage tube for preventing papillary hemorrhage is 2.2 m.
The distance between the two ends of the arc-shaped pipe wall 11 in the straightened state is 2cm, and the number of the arc-shaped pipe walls 11 is four.
The drainage openings 12 are oval and their long axes are parallel to the axis of the second tube section 9.
Prevent the extranasal drainage tube of papillary hemorrhage and accord with the crooked (third drainage tube section head section 32), the crooked (third drainage tube section tail section 33) of antrum and the crooked (fourth drainage tube section 5) state of the greater curvature of stomach, have good comfort level.
Example 2
As shown in FIGS. 2 to 5, a nasobiliary external drainage tube insertion device for preventing papillary hemorrhage includes an inner core 18;
the outer wall of the inner core 18 is sleeved with the nasal biliary drainage tube for preventing papillary hemorrhage as described in embodiment 1;
the inner core 18 comprises a first core tube 19, a second core tube 20 and an inner core handle 21, wherein the tube cavities of the first core tube, the second core tube and the inner core handle are sequentially communicated;
the first core tube 19 penetrates out of the upper end of the head end 7 through the first through hole 10, the outer diameter of the first core tube is smaller than that of the first through hole 10, and the outer diameter of the second core tube 20 is smaller than that of the tube cavity of the second tube section 20 and larger than that of the first through hole 10;
the tail end of the second straight pipe 6 is attached to the head end of the inner core handle 21.
The outer diameter of the first core tube 19 is 1Fr smaller than the diameter of the tube cavity of the head end 7;
the outer diameter of the second core tube 20 is 1Fr smaller than the diameter of the tube cavity of the second tube section 9;
the diameter of the inner core 18 tube cavity is 1 mm;
the inner core 18 is 2.35m long.
Example 3
As shown in fig. 7 and 8, a papillary hemorrhage preventing external drainage device for nasal biliary tract comprises the external drainage tube for nasal biliary tract, a drainage tube connector and a cap sleeved on the wall of the tail end of the second straight tube 6, which are described in embodiment 1;
the drainage tube connector comprises a connector handle 22, a second straight tube connector 23 matched with the tube cavity of the second straight tube 6 and a first channel connector 24 matched with the tube cavity of the first channel 15 are arranged at the upper end of the connector handle 22, and a first external connector 25 and a second external connector 26 are further arranged on the connector handle 22;
a second channel 27 for communicating the second straight pipe joint 23 with the first external joint 25 and a third channel 28 for communicating the first channel joint 24 with the second external joint 26 are arranged in the joint handle 22;
the cavity wall at the tail end of the second straight pipe 6 is sleeved on the second straight pipe joint 23;
the wall of the lumen at the tail end of the first channel 15 is sleeved on the first channel joint 24;
the outer walls of the connector handle 22, the first external connector 25 and the second external connector 26 are provided with external threads;
the cap comprises a cylindrical sleeve 29 and a circular truncated cone-shaped clamping pipe, wherein the cylindrical sleeve 29 and the circular truncated cone-shaped clamping pipe are sequentially communicated;
the inner wall of the cylindrical sleeve 29 is provided with internal threads matched with the external threads on the outer wall of the joint handle 22;
the side wall of the circular truncated cone-shaped clamping pipe is composed of a plurality of clamping plates 30, the lower ends of the clamping plates 30 are connected with the cylindrical sleeve 29, and the upper ends of the adjacent clamping plates 30 are mutually separated.
The duodenoscope is placed through the mouth, after bile duct intubation, papillary sphincter dissection and calculus removal are successful, the zebra guide wire 31 is placed into the intrahepatic bile duct.
The tail end of the zebra guide wire 31 is placed through the head end of the inner core 18, the inner core 18 and the nasal biliary external drainage tube for preventing papillary hemorrhage are fixed, and the nasal biliary external drainage tube insertion device for preventing papillary hemorrhage is placed into the intrahepatic bile duct under the guidance of the zebra guide wire 31.
After the saccule 13 reaches the duodenal papilla, the nasal biliary external drainage tube for preventing papilla bleeding is fixed, the inner core handle 21 is pulled back, and after the inner core 18 is separated from the four arc-shaped tube walls 11, the four arc-shaped tube walls 11 are naturally released and are integrally spherical.
Withdrawing the inner core 18 and the zebra guide wire 31, withdrawing the duodenoscope, connecting the nasal biliary external drainage tube for preventing the papillary hemorrhage with a drainage tube connector, injecting a little physiological saline containing a contrast agent through the second external connector 26, pulling the nasal biliary external drainage tube for preventing the papillary hemorrhage outwards in a proper amount after the balloon 13 is developed, and filling the balloon 13 to the maximum diameter after the balloon 13 is positioned in the duodenum.
The tightening line 14 keeps the overall spherical shape of the arc-shaped tube wall 11 unchanged, the head of the nasobiliary external drainage tube for preventing the papillary hemorrhage is fixed through the four overall spherical arc-shaped tube walls 11, the tension of the first drainage tube section 2 (spiral elastic tube) is increased, and the saccule 13 is tightly attached to the duodenal papillary incision.
In the extranasal biliary drainage tube release in-process of preventing the papillary hemorrhage, if the position is placed not well, can fix the extranasal biliary drainage tube of preventing the papillary hemorrhage, impel inner core 18 forward, make inner core 18 get into again prevent shifting extranasal biliary drainage tube in, arc pipe wall 11 becomes the linear type, can place again the extranasal biliary drainage tube of preventing the papillary hemorrhage under the guide of zebra seal wire 31.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A nasal biliary external drainage device for preventing papillary hemorrhage is characterized by comprising a nasal biliary external drainage tube for preventing papillary hemorrhage, a drainage tube connector and a cap sleeved on the tube wall at the tail end of a second straight tube;
the nasobiliary external drainage tube for preventing papillary hemorrhage comprises a first straight tube, a first drainage tube section, a second drainage tube section, a third drainage tube section, a fourth drainage tube section and a second straight tube, wherein the tube cavities of the first straight tube, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube are sequentially communicated;
the first straight pipe comprises a head end, a first pipe section and a second pipe section, wherein the pipe cavities of the head end, the first pipe section and the second pipe section are sequentially communicated;
the upper end of the head end is open, and the lower end of the head end is provided with a first through hole;
the first pipe section comprises a plurality of arc-shaped pipe walls which are uniformly distributed by taking the axis of the first pipe section as an axis and protrude towards the direction far away from the axis of the first pipe section, and two ends of each arc-shaped pipe wall are respectively connected with the lower end of the head end and the upper end of the second pipe section;
the second pipe section pipe cavity penetrates through the upper end and the lower end of the second pipe section, the diameter of the second pipe section pipe cavity is larger than that of the first through hole, the side wall of the second pipe section is provided with a drainage through hole communicated with the second pipe section pipe cavity, and the lower end of the second pipe section is communicated with the first drainage pipe section;
the first drainage pipe section is a spiral elastic pipe;
the second drainage pipe section is a straight pipe, and the outer wall of the second drainage pipe section is sleeved with a balloon;
the third drainage pipe section is bent and integrally forms a sigma shape with the tail section of the first drainage pipe section and the second drainage pipe section;
the fourth drainage pipe section is arc-shaped, and the arc opening of the fourth drainage pipe section faces the first pipe section;
the inner wall of the head end tube cavity is provided with a line, and the other end of the line passes through the first straight tube, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube cavity in sequence and penetrates out of the side wall of the tail end of the second straight tube;
the nasobiliary external drainage tube for preventing papillary hemorrhage further comprises a first channel, one end of the first channel is communicated with the balloon through the lumens of the second straight tube, the fourth drainage tube section, the third drainage tube section and the second drainage tube section in sequence;
in a working state, after the saccule reaches the duodenal papilla, the nasobiliary external drainage tube for preventing papillary hemorrhage is fixed;
the drainage tube connector comprises a connector handle, the upper end of the connector handle is provided with a second straight tube connector matched with the tube cavity of the second straight tube and a first channel connector matched with the tube cavity of the first channel, and the connector handle is also provided with a first external connector and a second external connector;
a second channel for communicating the second straight pipe joint with the first external joint and a third channel for communicating the first channel joint with the second external joint are arranged in the joint handle;
the cavity wall of the tail end of the second straight pipe is sleeved on the second straight pipe joint;
the wall of the tube cavity at the tail end of the first channel is sleeved on the first channel joint;
the outer walls of the joint handle, the first external joint and the second external joint are provided with external threads;
the cap comprises a cylindrical sleeve and a circular truncated cone-shaped clamping pipe, wherein the cylindrical sleeve and the circular truncated cone-shaped clamping pipe are sequentially communicated;
the inner wall of the cylindrical sleeve is provided with an internal thread matched with the external thread on the outer wall of the joint handle;
the side wall of the circular truncated cone-shaped clamping pipe is composed of a plurality of clamping plates, the lower ends of the clamping plates are connected with the cylindrical sleeve, and the upper ends of the adjacent clamping plates are mutually separated.
2. The nasobiliary drainage device for preventing papillary hemorrhage according to claim 1, wherein the head end is shaped like a semi-ellipsoid, and the open upper end thereof is provided with a head end opening having a diameter consistent with the diameter of the lumen of the head end;
the large end of the head end is connected with the arc-shaped pipe wall;
the head end lumen diameter is consistent with the first through hole.
3. The nasobiliary drainage device for preventing papillary hemorrhage according to claim 1, wherein a plurality of lateral protrusions are provided in a central region outside the arc-shaped tube wall.
4. The papillary hemorrhage preventing nasobiliary external drainage device according to claim 1, wherein the papillary hemorrhage preventing nasobiliary external drainage tube has an outer diameter of 7 to 10 Fr;
the diameter of the tube cavity at the head end is 3Fr smaller than the outer diameter of the nasal biliary external drainage tube for preventing papillary hemorrhage, and the tube cavity diameters of the first tube section, the second tube section, the first drainage tube section, the second drainage tube section, the third drainage tube section, the fourth drainage tube section and the second straight tube are all 2Fr larger than the diameter of the tube cavity at the head end;
the length of the nasal biliary external drainage tube for preventing papillary hemorrhage is 2.2 m.
5. The nasobiliary drainage device for preventing papillary hemorrhage according to claim 1, wherein the distance between the two ends of the arc-shaped tube wall in the straightened state is 2cm, and the number of the arc-shaped tube walls is four.
6. The nasobiliary drainage device for preventing papillary hemorrhage according to claim 1, wherein the drainage through-hole has an elliptical shape with a major axis parallel to an axis of the second tube section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400937.2A CN109224258B (en) | 2018-11-22 | 2018-11-22 | Nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400937.2A CN109224258B (en) | 2018-11-22 | 2018-11-22 | Nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109224258A CN109224258A (en) | 2019-01-18 |
| CN109224258B true CN109224258B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811400937.2A Active CN109224258B (en) | 2018-11-22 | 2018-11-22 | Nasobiliary external drainage tube for preventing papillary hemorrhage and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111481808A (en) * | 2020-05-19 | 2020-08-04 | 上海市东方医院（同济大学附属东方医院） | Saccule type nasobiliary tube for preventing duodenal papillary hemorrhage |
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| US4808163A (en) * | 1987-07-29 | 1989-02-28 | Laub Glenn W | Percutaneous venous cannula for cardiopulmonary bypass |
| CN202409791U (en) * | 2012-02-08 | 2012-09-05 | 孙世杰 | Hepatobiliary drainage tube |
| CN104771825A (en) * | 2015-05-11 | 2015-07-15 | 大连大学 | Y-type bile pancreatic juice drainage tube with water bag |
| WO2015133333A1 (en) * | 2014-03-03 | 2015-09-11 | 国立大学法人香川大学 | Biliary drainage tube |
| CN108325045A (en) * | 2018-02-09 | 2018-07-27 | 大连大学 | Multi-functional nose bile drainage tube |
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|---|---|---|---|---|
| US4808163A (en) * | 1987-07-29 | 1989-02-28 | Laub Glenn W | Percutaneous venous cannula for cardiopulmonary bypass |
| CN202409791U (en) * | 2012-02-08 | 2012-09-05 | 孙世杰 | Hepatobiliary drainage tube |
| WO2015133333A1 (en) * | 2014-03-03 | 2015-09-11 | 国立大学法人香川大学 | Biliary drainage tube |
| CN104771825A (en) * | 2015-05-11 | 2015-07-15 | 大连大学 | Y-type bile pancreatic juice drainage tube with water bag |
| CN108325045A (en) * | 2018-02-09 | 2018-07-27 | 大连大学 | Multi-functional nose bile drainage tube |
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| CN109224258A (en) | 2019-01-18 |
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