CN208641511U - A kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube - Google Patents
A kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube Download PDFInfo
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- CN208641511U CN208641511U CN201721340318.XU CN201721340318U CN208641511U CN 208641511 U CN208641511 U CN 208641511U CN 201721340318 U CN201721340318 U CN 201721340318U CN 208641511 U CN208641511 U CN 208641511U
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- biliary drainage
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Abstract
The utility model discloses a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tubes, the biliary drainage pipe of structure is round or oval including longitudinal cross-section, longitudinal cross-section is the nucleic cavity tube body and tee connector of circular configuration, biliary drainage pipe offers the biliary drainage chamber that longitudinal cross-section is round or oval structure, nucleic cavity tube body offers the nucleic cavity that longitudinal cross-section is circular configuration, biliary drainage is intracavitary to be provided with control line, each integral type is distinguished on biliary drainage pipe two sides connects a nucleic cavity tube body, nucleic cavity tube body is arranged along biliary drainage length of tube direction, one end of biliary drainage pipe is fixedly connected with tee connector, nucleic cavity tube body is fixedly connected with nucleic reception device far from one end of drainage head.The utility model is easy to use, and nucleic dosage is reasonably distributed, and local dose is high, shortens Keeping time of catheter, while the fixed drainage tube of control line is not easy to slip, and guarantees cavity nucleic irradiation at short distance range.
Description
Technical field
The utility model relates to medical instruments field, in particular to a kind of Modulatory character three-cavity structure bile duct brachytherapy
Drainage tube.
Background technique
Cholangiocellular carcinoma (cholangiocarcinoma) refers to the vicious behaviour tumour originating from epithelial duct, and the morbidity of this disease is more
Concealment, atypical symptoms recognize deficiency to the disease in the past in addition, and early diagnosis is extremely difficult, and patient is mostly with progressive Huang
Subcutaneous ulcer is main performance, has been advanced stage when until medical, knurl is big, position is complicated, tumor-infiltrated, and surgical procedure is more complex, and tumour is whole
Body Resection Rate is still lower, in addition connect sometimes Palliative Cholangio- jejunostomy operation can not also carry out, long-term effect is undesirable, 5 years
Survival rate is 5-15%.Poor for liver function, advanced age can not be resistant to surgery patients and often use palliative biliary drainage
Pipe implantation or biliary tract prosthesis implantation, and be widely used in clinic.But biliary stent or biliary tract prosthesis are often because of tumour progression
Or food wastes blocking and obstructive jaundice occurs again.Although outer radiotherapy technology can be assisted to carry out radiotherapy control to tumour at present
Tumour, but due to biliary anatomy position depth, surrounding structure is complicated, and it is more difficult to delineate target of prophylactic radiotherapy, often because worrying enteron aisle simultaneously
Hair disease makes outer Radiotherapy dosimetry limited.103Pd and125I is clinically common brachytherapy nucleic, in controlling for clinical entity tumour
Encouraging partial result has been played in treatment.Short distance nucleic is small in size, small to normal human tissue damage, easy to operate,
Conducive to protection.In view of the situation, biliary drainage technology and short distance nucleic intracavitary therapy technology are combined into one, are played
The effect of double gain, method safety are feasible.The existing drainage catheter with radiotherapeutic effect, during treatment, due to
Cavity is drained to the squeezing action of particle cavity, causes dosage unevenness in nucleic cavity because of or the mistake of drainage cavity
In narrow, drainage cannot be played the role of well.And thread control device of not pulling back, short distance nucleic radiotherapy is because of drainage tube
It shifts and radiotherapy bias effect radiotherapeutic effect occurs.It directly determines closely to put whether how control line fixes through catheter tip
The radiotherapy effect for the treatment of.
Utility model content
The purpose of this utility model is that providing a kind of Modulatory character for the above problem existing for existing drainage catheter
Three-cavity structure bile duct brachytherapy drainage tube.
To achieve the goals above, a kind of technical solution that the application uses are as follows: Modulatory character three-cavity structure bile duct low coverage
From radiotherapy drainage tube, the biliary drainage pipe of structure is round or oval including longitudinal cross-section, longitudinal cross-section is circular configuration
Nucleic cavity tube body and tee connector, the biliary drainage pipe is interior and offers longitudinal direction along the length direction of biliary drainage pipe
Section is round or oval the biliary drainage chamber of structure, and the nucleic cavity tube body is interior and along the length of nucleic cavity tube body
Direction is equipped with the nucleic cavity that longitudinal cross-section is circular configuration, and the biliary drainage is intracavitary to be provided with control line；
Distinguish each integral type on the two biliary drainage pipe and perpendicular with the long axis of biliary drainage pipe sides to connect
A nucleic cavity tube body is connect, the nucleic cavity tube body is arranged along biliary drainage length of tube direction, the biliary drainage pipe
Left end be fixedly connected with tee connector, the right end integral type of the biliary drainage pipe connects drainage head, the biliary drainage
The drainage being connected with biliary drainage chamber is offered respectively on two pipe and perpendicular with the short axle of biliary drainage pipe sides
Hole is provided with fairlead between the conduction hole of biliary drainage pipe same side, and the nucleic cavity tube body extends to distance
It is closed at drainage head end 5cm using radiopaque substance, the nucleic cavity tube body is fixed far from one end of drainage head
Nucleic reception device is connected, the nucleic reception device is connect with biliary drainage pipe integral type；
The tee connector includes the cylindrical tube being fixedly connected with biliary drainage pipe and integrated with cylindrical tube
First outlet pipe, second outlet pipe and the stop,threeway of formula connection place pipe, the first outlet pipe, second outlet pipe and threeway
Piston places pipe and is mutually perpendicular to intersect and be connected with cylindrical tube two-by-two, and the stop,threeway places pipe and is movably set with three
Logical piston, the stop,threeway includes plunger and the triangle pawl connecting with plunger integral type, is offered in the plunger
Three through-holes for being mutually perpendicular to and penetrating through, the extending direction of the through-hole and the extending direction of three pawls of triangle pawl are identical.
It advanced optimizes, the drainage head is round or oval for middle cavity, and one far from biliary drainage pipe
The area of the side at end is less than the area of side that drainage head is connected with biliary drainage pipe, the drainage head be middle cavity and
Biliary drainage chamber is connected, and the length of the drainage head is 0.5-1cm.
It advanced optimizes, the nucleic reception device, is provided in the nucleic reception device and is connected with nucleic cavity
Logical nucleic promotes cavity and the nucleic for promoting cavity to be connected with nucleic to enter cavity, and the nucleic enters one end of cavity
It is directly connected to nucleic implanted device.
It advanced optimizes, the quantity of the conduction hole opened up on the biliary drainage pipe is 8-16, by away from drainage head 5cm
Place starts and successively opens up along the central axes of biliary drainage pipe to the direction far from drainage head, and the aperture of conduction hole is 0.3-
0.8mm, the gap between two conduction holes are 8-15mm.
Advanced optimize, the fairlead include apart from the closer first lead hole of drainage head and apart from drainage head farther out
And in the second fairlead of conduction hole gap location.
It advanced optimizes, the diameter of the biliary drainage chamber is greater than 2mm, and the interior of the nucleic cavity is 0.8-
1.2mm, and be not communicated with biliary drainage chamber, the outer diameter of the biliary drainage pipe is 10-16F, total length 40-50cm.
It advanced optimizes, the control line passes through through-hole and is pierced by the second fairlead by biliary drainage chamber, and leads to again
First lead hole is crossed back to biliary drainage chamber, through-hole is finally pierced by and is fixedly connected with hypophysis.
Compared with prior art, the utility model has the beneficial effects that the biliary drainage chamber of round or ellipse structure and
The nucleic cavity of circular configuration can effectively increase the distance of cancer cell of the nucleic cavity on bile duct, thus therapeutic effect
It is more obvious；And nucleic is arranged in space uniform, so that brachytherapy dosage is more and by adjusting drainage tube
Rotation angle further can precisely treat tumour in cavity.
Nucleic cavity and biliary drainage chamber belong in different drainage tubes, can effectively avoid between two cavitys in this way
Mutual extruding so that nucleic be avoided to be unevenly distributed in nucleic cavity, or avoids influencing biliary drainage cavity to body fluid
Drainage effect；Control line enables to drainage tube head end in duodenum at loop, and drainage tube is less likely to occur to shift, thus
The shift phenomenon for avoiding brachytherapy occurs.The design of tee connector and stop,threeway can ensure to replace in user
When the drainage bag connecting with drainage pipe end, the accumulation of liquid in vivo not will lead to, while peculiar three-way device to control
Line can be good at fixed drainage tube head end.
Detailed description of the invention
Fig. 1 is a kind of a kind of shape of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment
The structural schematic diagram of state；
Fig. 2 is a kind of another kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment
The structural schematic diagram of state；
Fig. 3 is that a kind of A-A of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment is cut
The structural schematic diagram in face；
Fig. 4 is that a kind of A-A of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment is cut
Another structural schematic diagram in face；
Fig. 5 is the three of a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment to lead to
The structural schematic diagram of connector；
Fig. 6 is that a kind of threeway of Modulatory character three-cavity structure bile duct brachytherapy drainage tube of the utility model embodiment is living
The structural schematic diagram of plug；
In figure: 1, biliary drainage pipe；2, nucleic cavity tube body；3, tee connector；3-1, cylindrical tube；3-2, first go out
Mouth pipe；3-3, second outlet pipe；3-4, stop,threeway place pipe；4, drainage head；5, biliary drainage chamber；6, nucleic cavity；7, core
Plain reception device；8, conduction hole；9, fairlead；9-1, first lead hole；9-2, the second fairlead；10；Control line；11, threeway
Piston；11-1, plunger；11-2, triangle pawl；11-3, through-hole.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
It is clear, be fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Example is applied, based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figs 1 to 6, the utility model embodiment provides a kind of Modulatory character three-cavity structure bile duct and closely puts
Treat drainage tube, be round or oval the biliary drainage pipe 1 of structure including longitudinal cross-section, longitudinal interface be circular configuration nucleic
Cavity tube body 2 and tee connector 3, biliary drainage pipe 1 is interior and offers longitudinal cross-section along the length direction of biliary drainage pipe 1
It is round or oval the biliary drainage chamber 5 of structure, nucleic cavity tube body 2 is interior and along the length direction of nucleic cavity tube body 2
It is the nucleic cavity 6 of circular configuration equipped with longitudinal cross-section, is provided with control line 10 in biliary drainage chamber 5.Round or ellipse knot
The biliary drainage chamber of structure and the nucleic cavity of circular configuration can effectively increase cancer cell of the nucleic cavity on bile duct
Distance, so that therapeutic effect is more obvious.
Distinguish each integral type on two biliary drainage pipe 1 and perpendicular with the long axis of biliary drainage pipe 1 sides to connect
One nucleic cavity tube body 2, nucleic cavity tube body 2 are arranged along 1 length direction of biliary drainage pipe, the left end of biliary drainage pipe 1
Be fixedly connected with tee connector 3, the right end integral type of biliary drainage pipe 1 connects drainage head 4, biliary drainage pipe 1 and and gallbladder
The short axle of juice drainage tube 1 offers the conduction hole 8 being connected with biliary drainage chamber 5, bile on two perpendicular sides respectively
Fairlead 9 is provided between the conduction hole 8 of 1 same side of drainage tube, nucleic cavity tube body 2 extends to an end seal of drainage head 4
It closes, 2 one end far from drainage head 4 of nucleic cavity tube body is fixedly connected with nucleic reception device 7, and nucleic reception device 7 is drawn with bile
The connection of 1 integral type of flow tube.Nucleic reception device 7 is provided with the nucleic being connected with nucleic cavity 6 in nucleic reception device 7 and pushes away
Enter cavity 13 into cavity 12 and the nucleic for promoting cavity 12 to be connected with nucleic, one end that nucleic enters cavity 13 is direct
Connect nucleic implanting device.Nucleic cavity and biliary drainage chamber belong in different drainage tubes, can effectively avoid two in this way
Mutual extruding between cavity so that nucleic be avoided to be unevenly distributed in nucleic cavity, or avoids influencing biliary drainage chamber
Drainage effect of the road to body fluid.Enter cavity 13 to nucleic by nucleic implanting device and be implanted into nucleic, and is deep using dedicated pushing ram
Enter to nucleic and promote in cavity 12, shifts suitable position onto for the nucleic that cavity 13 enters is entered from nucleic, realize to disease
Radiotherapy.
Tee connector 3 includes the cylindrical tube 3-1 being fixedly connected with biliary drainage pipe 1 and equal with cylindrical tube 3-1
First outlet pipe 3-2, the second outlet pipe 3-3 and stop,threeway of integral type connection place pipe 3-4, first outlet pipe 3-2, second
Outlet 3-3 and stop,threeway place pipe 3-4 and are mutually perpendicular to intersect and be connected with cylindrical tube 3-1 two-by-two, stop,threeway
It places pipe 3-4 and is movably set with stop,threeway 11, stop,threeway 11 includes plunger 11-1 and connects with plunger 11-1 integral type
The through-hole 11-3 for being mutually perpendicular to and penetrating through there are three being opened up in triangle the pawl 11-2, plunger 11-1 connect, the extension of through-hole 11-3
Direction is identical as the extending direction of three pawls of triangle pawl 11-2.The design of tee connector and stop,threeway can ensure
When the drainage tube that user's replacement is connect with drainage pipe end, the accumulation of liquid in vivo not will lead to.
As a preferred embodiment of the present embodiment, drainage head 4 is round or oval for middle cavity, and draws far from bile
The area of the side of one end of flow tube 1 is less than the area for the side that drainage head 4 is connected with biliary drainage pipe 1, the drainage head 4
It is connected for middle cavity with biliary drainage chamber 5, the length of drainage head 4 is 0.5-1cm.
As another preferred embodiment of the present embodiment, the quantity of the conduction hole 8 opened up on biliary drainage pipe 1 is 8-16,
From successively being opened up away from beginning at drainage head 5cm and along the central axes of biliary drainage pipe 1 to the direction far from drainage head 4, drain
The aperture in hole 8 is 0.3-0.8mm, and the gap between two conduction holes 8 is 8-15mm.
As another preferred embodiment of the present embodiment, fairlead 9 includes apart from the closer first lead hole 9-1 of drainage head 4
With apart from drainage head 4 farther out and in the second fairlead 9-2 of 8 gap location of conduction hole.
As another preferred embodiment of the present embodiment, the diameter of biliary drainage chamber 5 is greater than 2mm, the nucleic cavity 6 it is interior
It through for 0.8-1.2mm, and is not communicated with biliary drainage chamber 5, the outer diameter of biliary drainage pipe 1 is 10-16F, total length 40-
50cm。
As another preferred embodiment of the present embodiment, control line 10 passes through through-hole 11-3 and is pierced by the by biliary drainage chamber 5
Two fairlead 9-2, and biliary drainage chamber 5 is returned to again by first lead hole 9-1, it is finally pierced by through-hole 11-3 and hypophysis is solid
Fixed connection.Head (one connect with drainage head 4 of biliary drainage pipe 1 can be allowed with the hypophysis of the fixation of control line 10 by stretching
End) bending, to make the utility model in human body.
In conclusion the nucleic cavity energy of the circle of the utility model or the biliary drainage chamber of ellipsoidal structure and circular configuration
The distance of cancer cell of enough effective increase nucleic cavities on bile duct, realizes brachytherapy, so that therapeutic effect is more
It is obvious；Nucleic cavity and biliary drainage chamber belong in different drainage tubes, can effectively avoid between two cavitys in this way
Mutual extruding so that nucleic be avoided to be unevenly distributed in nucleic cavity, or avoids influencing biliary drainage cavity to body fluid
Drainage effect；Control line enables to drainage tube head end in duodenum at loop, and drainage tube is less likely to occur to shift, thus
The shift phenomenon for avoiding brachytherapy occurs.The design of tee connector and stop,threeway can ensure to replace in user
When the drainage bag connecting with drainage pipe end, the accumulation of liquid in vivo not will lead to, while peculiar three-way device to control
Line can be good at fixed drainage tube head end.
Disclosed above is only the preferred embodiment of the utility model, and still, the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube, which is characterized in that including longitudinal cross-section be circle
Or the biliary drainage pipe (1) of ellipsoidal structure, longitudinal cross-section are the nucleic cavity tube body (2) and tee connector of circular configuration
(3), in the biliary drainage pipe (1) and to offer longitudinal cross-section along the length direction of biliary drainage pipe (1) be round or ellipse
The biliary drainage chamber (5) of circular configuration, the nucleic cavity tube body (2) are interior and along the length direction of nucleic cavity tube body (2)
It is the nucleic cavity (6) of circular configuration equipped with longitudinal cross-section, is provided with control line (10) in the biliary drainage chamber (5)；
Each integral type is distinguished on the two biliary drainage pipe (1) and perpendicular with the long axis of biliary drainage pipe (1) sides
A nucleic cavity tube body (2) is connected, the nucleic cavity tube body (2) is arranged along biliary drainage pipe (1) length direction, described
The left end of biliary drainage pipe (1) is fixedly connected with tee connector (3), the right end integral type connection of the biliary drainage pipe (1)
Drainage head (4) is opened respectively on the two biliary drainage pipe (1) and perpendicular with the short axle of biliary drainage pipe (1) sides
Equipped with the conduction hole (8) being connected with biliary drainage chamber (5), between the conduction hole (8) of biliary drainage pipe (1) same side
It is provided with fairlead (9), the nucleic cavity tube body (2), which extends to, uses radiopaque object at the 5cm of drainage head (4) end
Matter is closed, and the nucleic cavity tube body (2) is fixedly connected nucleic reception device (7) far from the one end of drainage head (4), described
Nucleic reception device (7) is connect with biliary drainage pipe (1) integral type；
The tee connector (3) includes the cylindrical tube (3-1) and and cylindrical tube being fixedly connected with biliary drainage pipe (1)
The first outlet pipe (3-2), second outlet pipe (3-3) and stop,threeway of (3-1) integral type connection place pipe (3-4), described
First outlet pipe (3-2), second outlet pipe (3-3) and stop,threeway place pipe (3-4) be mutually perpendicular to two-by-two intersection and with circle
Column tube body (3-1) is connected, and the stop,threeway places pipe (3-4) and is movably set with stop,threeway (11), the stop,threeway
(11) the triangle pawl (11-2) for including plunger (11-1) and being connect with plunger (11-1) integral type, the plunger (11-1)
The through-hole (11-3) for being mutually perpendicular to and penetrating through there are three inside opening up, the extending direction and triangle pawl (11-2) of the through-hole (11-3)
Three pawls extending direction it is identical.
2. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
It states drainage head (4) to be round or oval for middle cavity, and the area of the side of one end far from biliary drainage pipe (1) is less than
The area for the side that drainage head (4) is connected with biliary drainage pipe (1), the drainage head (4) are middle cavity and biliary drainage
Chamber (5) is connected, and the length of the drainage head (4) is 0.5-1cm.
3. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
It states nucleic reception device (7), the nucleic being connected with nucleic cavity (6) is provided in the nucleic reception device (7) and promotes chamber
Road (12) and the nucleic for promoting cavity (12) to be connected with nucleic enter cavity (13), and the nucleic enters the one of cavity (13)
End is directly connected to nucleic implanted device.
4. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
The quantity for stating the conduction hole (8) opened up on biliary drainage pipe (1) is 8-16, by away from drainage head (4) 5cm and along gallbladder
The central axes of juice drainage tube (1) are successively opened up to the direction far from drainage head (4), and the aperture of conduction hole (8) is 0.3-0.8mm,
Gap between two conduction holes (8) is 8-15mm.
5. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
Stating fairlead (9) includes farther out and draining apart from the closer first lead hole (9-1) of drainage head (4) and apart from drainage head (4)
Second fairlead (9-2) of hole (8) gap location.
6. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
State biliary drainage chamber (5) diameter be greater than 2mm, the nucleic cavity (6) it is interior through be 0.8-1.2mm, and with biliary drainage chamber
(5) it is not communicated with, the outer diameter of the biliary drainage pipe (1) is 10-16F, total length 40-50cm.
7. a kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube as described in claim 1, which is characterized in that institute
It states control line (10) and is pierced by the second fairlead (9-2) by biliary drainage chamber (5) across through-hole (11-3), and again by first
Fairlead (9-1) returns to biliary drainage chamber (5), is finally pierced by through-hole (11-3) and is fixedly connected with hypophysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340318.XU CN208641511U (en) | 2017-10-18 | 2017-10-18 | A kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340318.XU CN208641511U (en) | 2017-10-18 | 2017-10-18 | A kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube |
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| Publication Number | Publication Date |
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| CN208641511U true CN208641511U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340318.XU Active CN208641511U (en) | 2017-10-18 | 2017-10-18 | A kind of Modulatory character three-cavity structure bile duct brachytherapy drainage tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755761A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in radioactive particle carrier |
| CN114699634A (en) * | 2022-02-24 | 2022-07-05 | 复旦大学附属中山医院 | Double-cavity drainage tube and drainage assembly |
-
2017
- 2017-10-18 CN CN201721340318.XU patent/CN208641511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755761A (en) * | 2019-10-14 | 2020-02-07 | 天津赛德医药研究院有限公司 | Cavity drainage tube with built-in radioactive particle carrier |
| CN114699634A (en) * | 2022-02-24 | 2022-07-05 | 复旦大学附属中山医院 | Double-cavity drainage tube and drainage assembly |
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Assignee: HENAN TUOREN BEISITE MEDICAL DEVICES Co.,Ltd. Assignor: Jiao Dechao Contract record no.: X2022980013116 Denomination of utility model: A controllable three-lumen structure bile duct brachytherapy drainage tube Granted publication date: 20190326 License type: Exclusive License Record date: 20220826 |