CN113081193A - Improved transjugular intrahepatic puncture device - Google Patents
Improved transjugular intrahepatic puncture device Download PDFInfo
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- CN113081193A CN113081193A CN202110342524.9A CN202110342524A CN113081193A CN 113081193 A CN113081193 A CN 113081193A CN 202110342524 A CN202110342524 A CN 202110342524A CN 113081193 A CN113081193 A CN 113081193A
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- tube
- joint
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
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Abstract
The invention discloses an improved transjugular intrahepatic puncture device, which is characterized by comprising: the device comprises an outer sheath tube, an outer sheath tube cap, a liquid through tube, a three-way valve, an expansion tube joint cap, a metal guide tube joint, a blue support tube joint, a puncture needle core and a puncture needle core head end; the head end bending angle scope of the metal guide tube part in the device can be operated by a doctor in vitro, flexible adjustment can be carried out in the operation, the bending which is estimated before the operation is not needed, the phenomenon that the puncture is carried out again after the adjustment after the metal guide tube head end bending angle is not enough in the operation is avoided, the device greatly reduces the difficulty of the puncture operation, the operation time is saved, and the device has great popularization and practical value.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to an improved transjugular intrahepatic puncture device.
Background
The transjugular intrahepatic portal vein internal stent shunt is characterized in that under the guidance of intervention, local infiltration anesthesia is performed on the neck, puncture is performed through the right jugular vein, and a hepatic vein and a portal vein channel are opened by using a catheter guide wire and a puncture needle; compared with the surgical portal vein shunt, the operation has the advantages of small wound, high success rate, reliable reduction of portal vein pressure, capability of performing cutoff operation simultaneously, few complications and the like;
when the transjugular intrahepatic portal vein stent shunt is performed, the used puncture kit is RUPS-100; because the guiding direction and the angle of the head end need to be continuously adjusted in the puncture process, the direction and the angle of the branch blood vessel in the puncture process are adapted; the currently used RUPS-100 puncture kit of the American hook company has a structure of adjusting the angle direction in the puncture process, namely a metal guide tube in the kit, and the curvature of all parts on the puncture kit is determined by the fixed curvature of the head end of the metal guide tube, so that the angle and direction adjustment is provided for the puncture in the operation; before operation, a doctor needs to estimate the angle adjustment in the puncture process through experience or the actual situation of a patient under radiography, and then manually bends the head end of a metal conduit on a puncture suite into a certain curvature, so as to play a role in angle guidance in the operation; however, this method of operation has the following disadvantages: 1. the possible angle adjusting range in the puncture process needs to be roughly estimated by experience or medical image before operation, and the method is not accurate enough; 2. the bending angle of the head end of the puncture kit cannot be flexibly adjusted according to the encountered practical situation in the actual operation process; 3. once the bending angle of the head end of the pre-bent metal guide tube before the operation is found to be insufficient or too large in the operation, the puncture cannot be smoothly performed, the whole puncture kit needs to be withdrawn and readjusted, secondary damage is caused to a patient, the energy of a doctor is wasted, and the operation time is prolonged.
Disclosure of Invention
In order to solve the technical problems, the invention designs an improved transjugular intrahepatic puncture device, the range of the bending angle of the head end of a metal guide tube part in the device can be operated by a doctor in vitro, flexible adjustment can be carried out in an operation, pre-estimated bending is not needed before the operation, the problem that the puncture is carried out again after adjustment after the exit because the bending angle of the head end of the metal guide tube is insufficient in the operation is avoided, the difficulty of the puncture is greatly reduced, the operation time is saved, and the invention has great popularization and practical value.
In order to achieve the technical effects, the invention is realized by the following technical scheme: an improved transjugular intrahepatic puncture device, comprising: the device comprises an outer sheath tube, an outer sheath tube cap, a liquid through tube, a three-way valve, an expansion tube joint cap, a metal guide tube joint, a blue support tube joint, a puncture needle core and a puncture needle core head end;
the tube head end of the outer sheath is connected with an outer sheath tube cap, and the outer sheath tube cap is connected with a three-way valve through a liquid through tube; the expansion pipe is detachably sleeved in the outer sheath pipe, and the end of the expansion pipe head is connected with an expansion pipe joint cap; the metal guide pipe is detachably sleeved in the expansion pipe, and the head end of the metal guide pipe is connected with a metal guide pipe joint; the blue supporting tube is detachably sleeved in the metal guide tube, and the head end of the blue supporting tube is connected with a blue supporting tube joint; the puncture needle core is detachably sleeved in the blue supporting tube and is connected with the head end of the puncture needle core; the expansion pipe joint cap and the outer sheath pipe cap, the metal guide pipe joint and the expansion pipe joint cap, and the blue support pipe joint and the metal guide pipe joint are detachably butted through threads;
furthermore, the tail end of the puncture needle core is of a needle point structure, and the tail end part of the puncture needle core is an elastic bent end;
furthermore, the tail end part of the metal guide pipe is a horizontal part and a curved part, and the horizontal part and the curved part are integrally formed and connected through a bent part of a shaft joint;
further, a direction indication board is vertically connected to the metal guide pipe joint, and the triangular tip end on the direction indication board is always consistent with the bending direction of the tail end of the metal guide pipe;
furthermore, the interior of the metal guide pipe joint is rotatably connected with an adjusting rotating wheel through a mounting shaft, the adjusting rotating wheel is connected with one end of a poking rod, and the other end of the poking rod is connected to the outer side of the metal guide pipe joint; the adjusting rotating wheel can be rotated through the poke rod;
furthermore, an interlayer is arranged on one side in the metal guide pipe, a traction wire is movably connected in the interlayer, one end of the traction wire is connected to the tail end of the bent part of the shaft joint on the inner wall of the interlayer, and the other end of the traction wire is connected to an adjusting rotating wheel in the metal guide pipe joint through the interlayer;
further, the outer diameter of the traction wire is 1-1.5mm, and the traction wire is made of high-strength polyethylene fibers; the material can realize that the outer diameter of the wire is very small and the wire is not easy to break.
The invention has the beneficial effects that: the head end bending angle scope of the metal guide tube part in the device can be operated by a doctor in vitro, flexible adjustment can be carried out in the operation, the bending which is estimated before the operation is not needed, the phenomenon that the puncture is carried out again after the adjustment after the metal guide tube head end bending angle is not enough in the operation is avoided, the device greatly reduces the difficulty of the puncture operation, the operation time is saved, and the device has great popularization and practical value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a modified transjugular intrahepatic puncture device;
FIG. 2 is a schematic diagram of the components of an improved transjugular intrahepatic puncture device;
FIG. 3 is a schematic view of a metal guide tube of a modified transjugular intrahepatic puncture device;
FIG. 4 is a schematic view of the internal and external structures of a metal guide tube joint of an improved transjugular intrahepatic puncture device;
FIG. 5 is a side cross-sectional view of a metal guide tube adapter of an improved transjugular intrahepatic puncture device;
FIG. 6 is a schematic view of the structure of the bent portion of the shaft joint and the inner portion of the metal guide tube of the improved transjugular intrahepatic puncture device;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer sheath tube, 2-outer sheath tube cap, 3-liquid passing tube, 4-three-way valve, 5-expansion tube, 6-expansion tube joint cap, 7-metal guide tube, 701-shaft joint bending part, 702-interlayer, 703-pull wire, 8-metal guide tube joint, 801-direction indicator, 802-adjusting rotating wheel, 803-poking rod, 804-mounting shaft, 9-blue support tube, 10-blue support tube joint, 11-puncture needle core, 1101-elastic bending end and 12-puncture needle core end.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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
Referring to fig. 1-6, an improved transjugular intrahepatic puncture device includes: the puncture needle comprises an outer sheath tube 1, an outer sheath tube cap 2, a liquid through tube 3, a three-way valve 4, an expansion tube 5, an expansion tube joint cap 6, a metal guide tube 7, a metal guide tube joint 8, a blue support tube 9, a blue support tube joint 10, a puncture needle core 11 and a puncture needle core head end 12;
the head end of the sheath tube 1 is connected with a sheath tube cap 2, and the sheath tube cap 2 is connected with a three-way valve 4 through a liquid through tube 3; the expansion pipe 5 is detachably sleeved in the outer sheath pipe 1, and the head end of the expansion pipe 5 is connected with an expansion pipe joint cap 6; the metal guide pipe 7 is detachably sleeved in the expansion pipe 5, and the head end of the metal guide pipe 7 is connected with a metal guide pipe joint 8; the blue supporting tube 9 is detachably sleeved in the metal guide tube 7, and the head end of the blue supporting tube 9 is connected with a blue supporting tube joint 10; the puncture needle core 11 is detachably sleeved in the blue supporting tube 9, and the puncture needle core 11 is connected with the head end 12 of the puncture needle core; the expansion pipe joint cap 6 and the outer sheath pipe cap 2, the metal guide pipe joint 8 and the expansion pipe joint cap 6, and the blue support pipe joint 10 and the metal guide pipe joint 8 are detachably butted through threads;
the tail end of the puncture needle core 11 is of a needle point structure, and the tail end part is an elastic bent end 1101; the tip of the puncture needle core 11 is of an elastic bending structure, so that the direction can be flexibly changed in the puncture process;
the tail end part of the metal guide pipe 7 is a horizontal part and a curved part which are integrally formed and connected through a shaft joint bending part 701; the shaft joint structure of the bent part 701 of the shaft joint can flexibly change the angle direction;
a direction indication plate 801 is vertically connected to the metal guide pipe joint 8, and the triangular tip end on the direction indication plate 801 is always consistent with the bending direction of the tail end of the metal guide pipe 7; the bending direction of the head end of the metal guide pipe 7 can be intuitively known through the direction indicating plate 801 outside the body;
the interior of the metal guide pipe joint 8 is rotatably connected with an adjusting rotating wheel 802 through a mounting shaft 804, the adjusting rotating wheel 802 is connected with one end of a poking rod 803, and the other end of the poking rod 803 is connected to the outer side of the metal guide pipe joint 8; the adjusting wheel 802 can be rotated by the poke rod 803; an interlayer 702 is arranged on one side in the metal guide pipe 7, a traction wire 703 is movably connected in the interlayer 702, one end of the traction wire 703 is connected to the tail end of a bent part 701 of a shaft joint on the inner wall of the interlayer 702, and the other end of the traction wire 703 is connected to an adjusting rotating wheel 802 in the metal guide pipe joint 8 through the interlayer 702; the adjusting rotating wheel 802 can be rotated through the adjustment of the poking rod 803, so that the traction wire 703 connected to the adjusting rotating wheel 802 is tightened and loosened, and the control of the bending angle of the tail end of the metal guide pipe 7 is achieved;
the outer diameter of the pull wire 703 is 1-1.5mm, and the material is high-strength polyethylene fiber; the material can realize that the outer diameter of the wire is very small and the wire is not easy to break; the extremely fine outer diameter of the pull wire 703 does not increase the outer diameter and inner diameter of the metal guide tube 7, and the high-strength material ensures that it is not easily broken.
Example 2
Referring to fig. 1-6, an improved transjugular intrahepatic puncture device includes: the puncture needle comprises an outer sheath tube 1, an outer sheath tube cap 2, a liquid through tube 3, a three-way valve 4, an expansion tube 5, an expansion tube joint cap 6, a metal guide tube 7, a metal guide tube joint 8, a blue support tube 9, a blue support tube joint 10, a puncture needle core 11 and a puncture needle core head end 12;
the head end of the sheath tube 1 is connected with a sheath tube cap 2, and the sheath tube cap 2 is connected with a three-way valve 4 through a liquid through tube 3; the expansion pipe 5 is detachably sleeved in the outer sheath pipe 1, and the head end of the expansion pipe 5 is connected with an expansion pipe joint cap 6; the metal guide pipe 7 is detachably sleeved in the expansion pipe 5, and the head end of the metal guide pipe 7 is connected with a metal guide pipe joint 8; the blue supporting tube 9 is detachably sleeved in the metal guide tube 7, and the head end of the blue supporting tube 9 is connected with a blue supporting tube joint 10; the puncture needle core 11 is detachably sleeved in the blue supporting tube 9, and the puncture needle core 11 is connected with the head end 12 of the puncture needle core; the expansion pipe joint cap 6 and the outer sheath pipe cap 2, the metal guide pipe joint 8 and the expansion pipe joint cap 6, and the blue support pipe joint 10 and the metal guide pipe joint 8 are detachably butted through threads;
the surface of the outer sheath tube 1 is coated with a length mark; the puncture depth can be conveniently controlled in the puncture process;
the tail end of the puncture needle core 11 is of a needle point structure, and the tail end part is an elastic bent end 1101; the tip of the puncture needle core 11 is of an elastic bending structure, so that the direction can be flexibly changed in the puncture process;
the tail end part of the metal guide pipe 7 is a horizontal part and a curved part which are integrally formed and connected through a shaft joint bending part 701; the shaft joint structure of the bent part 701 of the shaft joint can flexibly change the angle direction;
a direction indication plate 801 is vertically connected to the metal guide pipe joint 8, and the triangular tip end on the direction indication plate 801 is always consistent with the bending direction of the tail end of the metal guide pipe 7; the bending direction of the head end of the metal guide pipe 7 can be intuitively known through the direction indicating plate 801 outside the body;
the interior of the metal guide pipe joint 8 is rotatably connected with an adjusting rotating wheel 802 through a mounting shaft 804, the adjusting rotating wheel 802 is connected with one end of a poking rod 803, and the other end of the poking rod 803 is connected to the outer side of the metal guide pipe joint 8; the adjusting wheel 802 can be rotated by the poke rod 803; an interlayer 702 is arranged on one side in the metal guide pipe 7, a traction wire 703 is movably connected in the interlayer 702, one end of the traction wire 703 is connected to the tail end of a bent part 701 of a shaft joint on the inner wall of the interlayer 702, and the other end of the traction wire 703 is connected to an adjusting rotating wheel 802 in the metal guide pipe joint 8 through the interlayer 702; the adjusting rotating wheel 802 can be rotated through the adjustment of the poking rod 803, so that the traction wire 703 connected to the adjusting rotating wheel 802 is tightened and loosened, and the control of the bending angle of the tail end of the metal guide pipe 7 is achieved;
the outer diameter of the pull wire 703 is 1-1.5mm, and the material is high-strength polyethylene fiber; the material can realize that the outer diameter of the wire is very small and the wire is not easy to break; the extremely fine outer diameter of the pull wire 703 does not increase the outer diameter and inner diameter of the metal guide tube 7, and the high-strength material ensures that it is not easily broken.
In conclusion, the head end bending angle range of the metal guide tube part in the device can be operated by a doctor in vitro, flexible adjustment can be performed in an operation, pre-estimated bending before the operation is not needed, the phenomenon that the puncture is performed again after adjustment after the metal guide tube head end bending angle is not enough in the operation is avoided, the difficulty of the puncture operation is greatly reduced, the operation time is saved, and the device has great popularization and practical values.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. An improved transjugular intrahepatic puncture device, comprising: the device comprises an outer sheath tube, an outer sheath tube cap, a liquid through tube, a three-way valve, an expansion tube joint cap, a metal guide tube joint, a blue support tube joint, a puncture needle core and a puncture needle core head end;
the tube head end of the outer sheath is connected with an outer sheath tube cap, and the outer sheath tube cap is connected with a three-way valve through a liquid through tube; the expansion pipe is detachably sleeved in the outer sheath pipe, and the end of the expansion pipe head is connected with an expansion pipe joint cap; the metal guide pipe is detachably sleeved in the expansion pipe, and the head end of the metal guide pipe is connected with a metal guide pipe joint; the blue supporting tube is detachably sleeved in the metal guide tube, and the head end of the blue supporting tube is connected with a blue supporting tube joint; the puncture needle core is detachably sleeved in the blue supporting tube and is connected with the head end of the puncture needle core; the expansion pipe joint cap and the outer sheath pipe cap, the metal guide pipe joint and the expansion pipe joint cap, and the blue support pipe joint and the metal guide pipe joint are detachably butted through threads.
2. The improved transjugular intrahepatic puncture device as claimed in claim 1, wherein the end of the puncture needle core is a needle point structure, and the end of the puncture needle core is a flexible bending end.
3. The improved transjugular intrahepatic puncture device as claimed in claim 1, wherein the rear end portion of the metal guiding tube is a horizontal portion and a curved portion, and the horizontal portion and the curved portion are integrally formed and connected by a bent portion of the shaft joint.
4. The improved transjugular intrahepatic puncture device as claimed in claim 1, wherein the metal guide tube is connected to the connector vertically with a direction indicator, and the triangular tip of the direction indicator is always in the same direction as the bending direction of the tail end of the metal guide tube.
5. The improved transjugular intrahepatic puncture device as claimed in claim 1, wherein the interior of the metal guiding tube joint is rotatably connected with an adjusting wheel through a mounting shaft, the adjusting wheel is connected with one end of a poke rod, and the other end of the poke rod is connected to the outer side of the metal guiding tube joint; the adjusting rotating wheel can be rotated through the poke rod.
6. The improved transjugular intrahepatic puncture device as claimed in claim 1, wherein an interlayer is disposed on one side of the metal guiding tube, a pulling wire is movably connected in the interlayer, one end of the pulling wire is connected to the end of the bending portion of the shaft joint on the inner wall of the interlayer, and the other end of the pulling wire is connected to the adjusting wheel in the joint of the metal guiding tube through the interlayer.
7. The improved transjugular intrahepatic puncture device as claimed in claim 6, wherein the outer diameter of the pull wire is 1-1.5mm, and the pull wire is made of high-strength polyethylene fiber; the material can realize that the outer diameter of the wire is very small and the wire is not easy to break.
8. An improved transjugular intrahepatic puncture device according to any one of claims 1-7, which discloses the use of an improved transjugular intrahepatic puncture device in transjugular intrahepatic portosystemic bypass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110342524.9A CN113081193A (en) | 2021-03-30 | 2021-03-30 | Improved transjugular intrahepatic puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110342524.9A CN113081193A (en) | 2021-03-30 | 2021-03-30 | Improved transjugular intrahepatic puncture device |
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| Publication Number | Publication Date |
|---|---|
| CN113081193A true CN113081193A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110342524.9A Pending CN113081193A (en) | 2021-03-30 | 2021-03-30 | Improved transjugular intrahepatic puncture device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699147A (en) * | 2022-04-21 | 2022-07-05 | 归创通桥医疗科技股份有限公司 | Transjugular intrahepatic puncture device |
| WO2023078168A1 (en) * | 2021-11-05 | 2023-05-11 | 杭州佳量医疗科技有限公司 | Medical optical fiber guide structure and guide method |
-
2021
- 2021-03-30 CN CN202110342524.9A patent/CN113081193A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078168A1 (en) * | 2021-11-05 | 2023-05-11 | 杭州佳量医疗科技有限公司 | Medical optical fiber guide structure and guide method |
| CN114699147A (en) * | 2022-04-21 | 2022-07-05 | 归创通桥医疗科技股份有限公司 | Transjugular intrahepatic puncture device |
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