CN114366209A - Liver section blood flow blocking device - Google Patents
Liver section blood flow blocking device Download PDFInfo
- Publication number
- CN114366209A CN114366209A CN202111637132.1A CN202111637132A CN114366209A CN 114366209 A CN114366209 A CN 114366209A CN 202111637132 A CN202111637132 A CN 202111637132A CN 114366209 A CN114366209 A CN 114366209A
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- China
- Prior art keywords
- pipeline
- blood flow
- movable
- section blood
- hole
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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
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
Abstract
The invention relates to the technical field of liver operation tools, and particularly discloses a liver section blood flow blocking device which comprises a fixing ring, wherein an upper limit sleeve and a lower limit sleeve which are used for penetrating through a latex tube are respectively and integrally formed at the top and the bottom of the inner wall of the fixing ring; the invention can fill gas into the closed pipeline through the inflator pump to increase the internal pressure so as to further realize the purpose of pushing the movable pipeline, and replaces the traditional working mode of fixing the latex tube by screwing a screwdriver or using an operating forceps.
Description
Technical Field
The invention relates to the technical field of liver operation tools, in particular to a liver section blood flow blocking device.
Background
At present, the benign or malignant tumor of the liver is treated by removing the liver part, and in the removal operation, the blood stream casting and forging is the key of the success of the operation.
In the operation process, a latex tube is usually used for passing through a tearing opening of a liver and stomach ligament and then is crossed and tightened at the front side of the liver and duodenum ligament after bypassing the liver and duodenum ligament, then a liver portal blocking clamp is used for clamping or a locking buckle is used for clamping, the latex tube is extruded and fixed by screwing a screwdriver, the screwdriver is relatively difficult to screw due to the limited position of the operation position, the integral movement of the device is easily caused when the screwdriver is screwed, the latex tube is easily loosened, the screw needs to be turned when the screwdriver is loosened after the operation, and the operation is relatively complex.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a liver section blood flow blocking device which is convenient for fixing a latex tube and solves the problem of inconvenient operation in the traditional operation process.
The invention relates to a liver section blood flow blocking device, which comprises a fixing ring, wherein an upper limit sleeve and a lower limit sleeve for penetrating a latex tube are respectively and integrally formed at the top and the bottom of the inner wall of the fixing ring, a first through groove and a second through groove are respectively formed at the center of the bottom of the upper limit sleeve and the center of the top of the lower limit sleeve, a closed pipeline is fixedly connected at the center of the top of the fixing ring, a movable pipeline is slidably connected in the closed pipeline along the vertical direction, a first through hole and a second through hole are respectively formed at the center of the top of the upper limit sleeve and the center of the top of the fixing ring, the bottom of the movable pipeline penetrates through the first through hole and the second through hole and extends to the inside of the upper limit sleeve, a first return spring is fixedly connected between the top of the movable pipeline and the top of the inner wall of the closed pipeline, and an air inlet hole is formed at the center of the top of the movable pipeline, the movable pipeline is characterized in that a sliding rod is connected inside the movable pipeline in a sliding mode in the vertical direction, the bottom of the sliding rod penetrates through the bottom of the movable pipeline and is fixedly connected with an extrusion head, and a second reset spring is fixedly connected between the top of the sliding rod and the top of the inner wall of the movable pipeline.
And a pipe joint is fixedly communicated with the position, close to the front, of the top of the closed pipeline, and a one-way valve is arranged in the pipe joint.
Through the design of the technical scheme, the pressure inside the closed pipeline can be increased by filling gas into the closed pipeline through the inflator pump, so that the aim of pushing the movable pipeline is fulfilled, and the traditional working mode of fixing the latex tube by screwing a screwdriver or using surgical forceps is replaced.
As a further improvement of the invention, the diameter of the slide rod is smaller than the inner diameter of the movable pipeline, and the top of the slide rod is fixedly connected with a piston attached to the inner wall of the movable pipeline.
Through the design of the technical scheme, the sliding rod can be pushed to slide downwards after the air pressure in the movable pipeline is increased.
As a further improvement of the invention, the bottom of the movable pipeline is provided with an outlet for penetrating through the sliding rod, the outlet is fixedly connected with a sealing ring which is attached to the surface of the sliding rod, the air tightness between the sealing ring and the sliding rod is smaller than that between the piston and the movable pipeline, so that the movable pipeline can move downwards during inflation, and after the movable pipeline moves, a part of air is released from the sealing ring, and the sliding rod can continue to move downwards.
As a further improvement of the invention, the diameters of the first through hole and the second through hole are the same as the diameter of the movable pipeline, the centers of the left side and the right side of the movable pipeline are both provided with a limiting groove along the vertical direction, a limiting block is integrally formed at the position corresponding to the limiting groove inside the second through hole, and the limiting block is connected inside the limiting groove in a sliding manner.
Through the design of the technical scheme, the movement track of the movable pipeline is limited, and the rotation of the movable pipeline is avoided.
As a further improvement of the invention, the surface of the pipe joint is connected with a connecting cover in a threaded manner, and the top of the connecting cover is integrally formed with an air inlet pipe used for being communicated with an inflator pump.
Through the design of the technical scheme, the air inflation device is convenient for workers to inflate the closed pipeline, and the air inlet pipe is convenient to detach, so that a good visual field is provided for an operation.
As a further improvement of the invention, an exhaust pipe is fixedly connected to the center position of the top of the closed pipeline close to the back surface, and a sealing cover is connected to the top of the exhaust pipe in a threaded manner.
Through the design of the technical scheme, the gas in the closed pipeline is conveniently discharged by workers, and the movable pipeline and the sliding rod can be pulled back to the initial position by matching with the use of the first return spring and the second return spring.
And a first pressing piece is arranged on the left side of the movable pipeline, the size of the first pressing piece is larger than that of the first through groove, and after the first pressing piece moves downwards, one end of the latex tube is pressed tightly by the first pressing piece.
The closed pipeline is provided with a fixed pulley, the lower limiting sleeve is provided with a sliding groove, a second pressing piece matched with the lower limiting sleeve is arranged in the sliding groove, a door-shaped piece is arranged on the second pressing piece, a pull rope is arranged on the door-shaped piece and connected with the movable pipeline through the fixed pulley, the movable pipeline moves downwards to drive the pull rope, the door-shaped piece and the second pressing piece move upwards through the pull rope, and the right side of the other end of the latex tube is pressed tightly.
When the latex tube pressing device is used, an inflator pump is used for inflating, two ends of the latex tube are crossed and transmitted into the upper limiting sleeve and the lower limiting sleeve, the movable pipeline moves downwards firstly, one end of the latex tube is pressed by a first pressing piece on the left side below the movable pipeline under the action of the sealing ring, meanwhile, the movable pipeline pulls the pull rope, the pull rope drives a second pressing piece to press the other end of the latex tube, the inflator pump continues to work, air is exhausted from the periphery of the sealing ring due to the increase of air pressure, the piston drives the slide rod to continue to move downwards, and a pressing head below the slide rod presses on the latex tube in the upper limiting sleeve, so that the latex tube is driven to move downwards; on the other hand, the latex tube moves downwards to tightly bind the latex tube on the organ.
Compared with the prior art, the invention has the following beneficial effects:
1. the device can fill gas into the closed pipeline through the inflator pump to increase the pressure inside the closed pipeline so as to further achieve the purpose of pushing the movable pipeline, the air pressure can further push the slide rod to move downwards through the air inlet hole formed in the top of the movable pipeline and the slide rod and the piston arranged in the movable pipeline in a matching way, and finally the purpose of tensioning and extruding the latex tube by the extruding head is achieved, the device can fix the latex tube only by starting the air pump, the traditional working mode of fixing the latex tube by screwing a screwdriver or using surgical forceps is replaced, the air pressure in the closed pipeline can be recovered to be normal only by taking off the sealing cover on the exhaust pipe during the disassembly, and the slide rod and the movable pipeline can be pulled back to the initial position after the sealing cover is opened by matching the first return spring and the second return spring which are respectively arranged in the closed pipeline and the movable pipeline, the pressing of the latex tube can be released, and the latex tube is very convenient to disassemble.
2. According to the invention, the upper limit sleeve and the lower limit sleeve are arranged in the fixing ring, so that two ends of the latex tube can respectively penetrate into the upper limit sleeve and the lower limit sleeve, and the two ends of the latex tube cannot contact and rub in the process of penetrating into the latex tube, thereby providing convenience for tube penetrating work.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic sectional view of the entire front side of the present invention;
FIG. 2 is a schematic view of the overall right-side cross-sectional structure of the present invention;
FIG. 3 is a schematic sectional view of the movable duct of the present invention in front elevation;
FIG. 4 is a schematic perspective view of a lower stop collar according to the present invention;
FIG. 5 is a schematic perspective view of an upper stop collar according to the present invention;
FIG. 6 is a schematic view of a second pressing member according to the present invention.
Detailed Description
Embodiments of the invention are disclosed in the following drawings:
example 1; referring to fig. 1-6, a liver cross section blood flow blocking device comprises a fixing ring 1, an upper limit sleeve 3 and a lower limit sleeve 2 for passing through a latex tube are respectively and integrally formed at the top and the bottom of the inner wall of the fixing ring 1, a first through groove 32 and a second through groove 4 are respectively formed at the center of the bottom of the upper limit sleeve 3 and the center of the top of the lower limit sleeve 2, a closed pipeline 5 is fixedly connected at the center of the top of the fixing ring 1, a movable pipeline 6 is slidably connected inside the closed pipeline 5 along the vertical direction, a first through hole 31 and a second through hole are respectively formed at the center of the top of the upper limit sleeve 3 and the center of the top of the fixing ring 1, the bottom of the movable pipeline 6 passes through the first through hole 31 and the second through hole and extends to the inside of the upper limit sleeve 3, a first return spring 11 is fixedly connected between the top of the movable pipeline 6 and the top of the inner wall of the closed pipeline 5, an air inlet hole 7 is formed at the center of the top of the movable pipeline 6, the inside of activity pipeline 6 is connected with slide bar 8 along vertical direction sliding, and the bottom of slide bar 8 runs through the bottom of activity pipeline 6 and fixedly connected with extrusion head 10, and fixedly connected with second reset spring 81 between the top of slide bar 8 and the top of activity pipeline 6 inner wall.
Example 2 differs from example 1 in that; the pipe joint 12 is fixedly communicated with the position, close to the front, of the top of the closed pipeline 5, the one-way valve is arranged in the pipe joint 12, the device can fill gas into the closed pipeline 5 through the inflator pump to increase the internal pressure, further the purpose of pushing the movable pipeline 6 is achieved, and the traditional working mode that a screwdriver is screwed or an operation clamp is used for fixing the latex pipe is replaced.
Example 3 differs from example 2 in that; referring to fig. 1-3, the diameter of the sliding rod 8 is smaller than the inner diameter of the movable pipe 6, the top of the sliding rod 8 is fixedly connected with a piston 9 attached to the inner wall of the movable pipe 6, so that the sliding rod 8 can be pushed to slide downwards after the air pressure inside the movable pipe 6 is increased, the bottom of the movable pipe 6 is provided with an outlet for passing through the sliding rod 8, the outlet is fixedly connected with a sealing ring 61 attached to the surface of the sliding rod 8, the diameters of the first through hole 31 and the second through hole are the same as the diameter of the movable pipe 6, the centers of the left side and the right side of the movable pipe 6 are both provided with a limiting groove 62 in the vertical direction, a limiting block 16 is integrally formed at the position inside the second through hole corresponding to the limiting groove 62, the limiting block 16 is slidably connected inside the limiting groove 62, and can limit the movement track of the movable pipe 6 and prevent the movable pipe 6 from rotating.
Example 4 differs from example 3 in that; referring to fig. 1-2, the surface of the pipe joint 12 is connected with a connecting cover 13 through a thread, and an air inlet pipe 14 for communicating with an inflator pump is integrally formed at the top of the connecting cover 13, so that workers can conveniently inflate the inside of the closed pipeline 5, and the air inlet pipe 14 can be conveniently detached, thereby providing a good visual field for operations.
Example 5 differs from example 4 in that; referring to fig. 2, an exhaust pipe 15 is fixedly connected to the top of the closed pipe 5 and the central position near the back of the closed pipe, a sealing cover is screwed on the top of the exhaust pipe 15, so that the worker can conveniently exhaust the gas inside the closed pipe 5, and the movable pipe 6 and the sliding rod 8 can be pulled back to the initial position by using the first return spring 11 and the second return spring 81.
Example 6 differs from example 5 in that; the left side of the movable pipeline is provided with a first pressing piece 63, the size of the first pressing piece 63 is larger than that of the first through groove 32, and after the first pressing piece 63 moves downwards, one end of the latex tube is pressed tightly by the first pressing piece.
Example 7 differs from example 6 in that; the closed pipeline 5 is provided with a fixed pulley 22, the lower limiting sleeve 2 is provided with a sliding groove 18, a second pressing piece 19 matched with the lower limiting sleeve 2 is arranged in the sliding groove 18, a door-shaped piece 20 is arranged on the second pressing piece 19, a pull rope 21 is arranged on the door-shaped piece 20, the pull rope 21 is connected with the movable pipeline 6 through the fixed pulley 22, the movable pipeline 6 moves downwards to drive the pull rope 21, and the pull rope 21 moves the door-shaped piece 20 and the second pressing piece 19 upwards to compress the right side of the other end of the latex tube. After the operation, the two springs reset the movable pipeline and the sliding rod, so that the latex tube is convenient to take out.
When the device is used, firstly, a latex tube bypasses organs to be bundled, then two ends of the latex tube respectively penetrate through the left end of the lower limiting sleeve 2 and the right end of the upper limiting sleeve 3 until the latex tube is attached to the organs, two ends of the latex tube penetrate through two sides of the fixing ring 1, then, a worker inflates air into the closed pipeline 5 through the inflator pump, the air pressure in the closed pipeline 5 is increased at the moment, the movable pipeline 6 is pushed to move downwards, when the movable pipeline 6 moves to the bottommost part of the closed pipeline 5, the pressure continuously pushes the sliding rod 8 to move downwards, the extrusion head 10 penetrates through the first through groove 32 and the second through groove 4 to tighten and extrude the latex pipelines at two ends, and the blood flow blocking work of the organs can be completed.
When the latex tube pressing device is used, the inflator pump inflates air, the two ends of the latex tube are crossed and transmitted into the upper limiting sleeve and the lower limiting sleeve, one end of the latex tube is pressed by the first pressing piece on the left side under the movable pipeline under the action of the sealing ring, meanwhile, the movable pipeline pulls the pull rope, the pull rope drives the second pressing piece to press the other end of the latex tube, the inflator pump continues to work, as the air pressure is increased, a part of air begins to be discharged on the peripheral side of the sealing ring, the piston drives the slide rod to continue to move downwards, and the pressing head under the slide rod presses on the latex tube in the upper limiting sleeve, so that the latex tube is driven to move downwards; on the other hand, the latex tube moves downwards to tightly bind the latex tube on the organ.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. Liver section blood flow blocking device, including solid fixed ring (1), its characterized in that: the top and the bottom of the inner wall of the fixing ring (1) are respectively and integrally formed with an upper limiting sleeve (3) and a lower limiting sleeve (2) which are used for penetrating through a latex tube, and the center of the bottom of the upper limiting sleeve (3) and the center of the top of the lower limiting sleeve (2) are respectively provided with a first through groove (32) and a second through groove (4);
the center of the top of the fixing ring (1) is fixedly connected with a closed pipeline (5), the inside of the closed pipeline (5) is connected with a movable pipeline (6) in a sliding mode along the vertical direction, the center of the top of the upper limiting sleeve (3) and the center of the top of the fixing ring (1) are respectively provided with a first through hole (31) and a second through hole, the bottom of the movable pipeline (6) penetrates through the first through hole (31) and the second through hole and extends to the inside of the upper limiting sleeve (3), a first reset spring (11) is fixedly connected between the top of the movable pipeline (6) and the top of the inner wall of the closed pipeline (5), and the center of the top of the movable pipeline (6) is provided with an air inlet hole (7);
the inside of activity pipeline (6) has slide bar (8) along vertical direction sliding connection, the bottom of slide bar (8) runs through the bottom of activity pipeline (6) and fixedly connected with extrusion head (10), fixedly connected with second reset spring (81) between the top of slide bar (8) and the top of activity pipeline (6) inner wall.
2. A liver cross-section blood flow occlusion device as in claim 1, wherein: the top of the closed pipeline (5) and the position close to the front face are fixedly communicated with a pipe joint (12), and a one-way valve is arranged in the pipe joint (12).
3. A liver cross section blood flow occlusion device as in claim 2, wherein: the diameter of the sliding rod (8) is smaller than the inner diameter of the movable pipeline (6), and the top of the sliding rod (8) is fixedly connected with a piston (9) attached to the inner wall of the movable pipeline (6).
4. A liver cross-section blood flow occlusion device as in claim 3, wherein: an outlet used for penetrating through the sliding rod (8) is formed in the bottom of the movable pipeline (6), and a sealing ring (61) attached to the surface of the sliding rod (8) is fixedly connected to the outlet.
5. A liver cross-section blood flow occlusion device of claim 4, wherein: the diameter of first through-hole (31) and second through-hole is the same with the diameter of activity pipeline (6), spacing groove (62) have all been seted up along the vertical direction in the central authorities of the activity pipeline (6) left and right sides, the inboard position department integrated into one piece that just corresponds with spacing groove (62) of second through-hole has stopper (16), stopper (16) sliding connection is in the inside of spacing groove (62).
6. A liver cross-section blood flow occlusion device of claim 5, wherein: the surface of the pipe joint (12) is connected with a connecting cover (13) in a threaded manner.
7. A liver cross-section blood flow occlusion device of claim 6, wherein: and an air inlet pipe (14) communicated with an inflator pump is integrally formed at the top of the connecting cover (13).
8. A liver cross-section blood flow occlusion device of claim 7, wherein: the top of the closed pipeline (5) and the central position close to the back are fixedly connected with an exhaust pipe (15).
9. A liver cross-section blood flow occlusion device as in claim 8, wherein: the top of the exhaust pipe (15) is in threaded connection with a sealing cover.
10. A liver cross-section blood flow occlusion device as in claim 9, wherein: the left side of the movable pipeline is provided with a first pressing piece, the size of the first pressing piece is larger than that of the first through groove, after the first pressing piece moves downwards, one end of the latex tube is pressed tightly by the first pressing piece, the closed pipeline is provided with a fixed pulley, and the lower limiting sleeve is provided with a sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637132.1A CN114366209A (en) | 2021-12-30 | 2021-12-30 | Liver section blood flow blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637132.1A CN114366209A (en) | 2021-12-30 | 2021-12-30 | Liver section blood flow blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114366209A true CN114366209A (en) | 2022-04-19 |
Family
ID=81142754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111637132.1A Withdrawn CN114366209A (en) | 2021-12-30 | 2021-12-30 | Liver section blood flow blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114366209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117084741A (en) * | 2023-10-19 | 2023-11-21 | 中国人民解放军总医院第一医学中心 | Liver vascular blocking device for trauma emergency treatment |
-
2021
- 2021-12-30 CN CN202111637132.1A patent/CN114366209A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117084741A (en) * | 2023-10-19 | 2023-11-21 | 中国人民解放军总医院第一医学中心 | Liver vascular blocking device for trauma emergency treatment |
| CN117084741B (en) * | 2023-10-19 | 2024-02-06 | 中国人民解放军总医院第一医学中心 | Liver vascular blocking device for trauma emergency treatment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220419 |
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| WW01 | Invention patent application withdrawn after publication |