CN211270916U - Operation channel expansion device - Google Patents
Operation channel expansion device Download PDFInfo
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- CN211270916U CN211270916U CN201922200443.6U CN201922200443U CN211270916U CN 211270916 U CN211270916 U CN 211270916U CN 201922200443 U CN201922200443 U CN 201922200443U CN 211270916 U CN211270916 U CN 211270916U
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Abstract
The utility model discloses an operation passageway expansion device, including the outer tube, the interior tube has been inserted to the hollow tubular structure interpolation of outer tube, and the one end of inner tube is connected with the gasbag fixed plate, and the one end of keeping away from the gasbag on the outer tube is equipped with the expansion board, and one side of expansion board is rotated and is connected adjusting nut, and the outer wall of inner tube is equipped with the male thread assorted female thread with adjusting nut, and the port that is close to the gasbag on the outer tube is equipped with changes the board, changes the board and rotates to be connected in the pivot, and the pivot is fixed on the port of outer tube, still. The operation channel expansion device can completely retract the air bag into the outer tube, and the tube opening of the outer tube is arranged at the position to be expanded, so that the air bag is easy to place and very convenient; the arrangement of the pressurizing ball can be used for manual pressurization, and is flexible and convenient; the setting of commentaries on classics board and torsional spring makes and seals the outer tube not using this operation passageway expanding unit, prevents to pollute, can fix and protect the gasbag when using, facilitates the use.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to operation passageway extension fixture.
Background
In the current minimally invasive surgery, in order to obtain a good surgical field and a good operating environment during the surgery, pneumoperitoneum is generally used for expanding the surgical field, but some parts of human body are relatively compact in tissue, and the expansion purpose is difficult to achieve through simple pneumoperitoneum.
The dilatation balloon in the operation is usually self-made by a doctor, and the common practice is to tighten a medical glove on a soft catheter. After entering the human body, the saccule is filled with water or inflated to 500ml-1000ml (the saccule can be expanded to 200ml-500ml by children according to the situation), the gap is maintained for 3-5min to be fully expanded, the saccule is taken out after the water is slowly drained, and then a puncture cannula (trocar) is inserted for other operations.
On one hand, the self-made balloon by using medical gloves cannot ensure sterility, and has a larger infection risk for patients; on the other hand, when the saccule made of the medical gloves is used, the saccule is often burst due to poor quality and overlarge pressure, which brings trouble to surgeons; in addition, in the process of balloon inflation, the catheter needs to be clamped every time when the needle cylinder is used for inflation, so that gas leakage is avoided, and the operation process is complicated.
Therefore, in the operation process, the existing instruments have the defects of easy infection, easy burst and inconvenient operation, so that a safe, reliable and convenient-to-operate product is needed to be designed to meet the actual operation requirement.
A surgical access dilation apparatus of application No. CN201320503972.3, comprising a balloon, a catheter and a gas-liquid infusion assembly. The sacculus is connected with the catheter, and the catheter is connected with the gas-liquid infusion component. The balloon is connected with the connector by a balloon body, and the balloon body is made of elastic material or non-elastic shrinkable material; the elastic material adopts rubber, silica gel, latex, polyvinyl chloride and the like, and the non-elastic shrinkable material adopts a PVC film, a polyurethane film and the like. The gas-liquid infusion assembly is of a three-way structure, two through holes of the three-way are respectively connected with a one-way valve I and a one-way valve II, wherein the one-way valve I is connected with the guide pipe, the one-way valve II can be connected with the flow control component, and the other through hole of the three-way is connected with an injector, an air bag or other gas-liquid injection components.
The balloon inflation and expansion device has the characteristics of safety, reliability, simple structure and reasonable price, and can continuously extract and infuse gas and liquid into the balloon to inflate and expand the balloon.
Although the problems can be well solved, the air bag still has larger volume after being deflated during the use process, and is inconvenient to place in an operation site, particularly under the condition that the operation site is deeper.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an operation passageway extension fixture to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an operation channel expansion device comprises an outer tube, wherein the outer tube is of a hollow tubular structure, an inner tube is inserted into the hollow tubular structure of the outer tube, one end of the inner tube is connected with an air bag fixing plate and is used for fixedly connecting the inner tube with an air bag, an expansion plate is arranged at one end, far away from the air bag, of the outer tube, one side of the expansion plate is rotatably connected with an adjusting nut, female threads matched with the male threads of the adjusting nut are arranged on the outer wall of the inner tube and are used for adjusting the movement of the inner tube, and a rotating plate is arranged at a port, close to the air bag, of the outer tube;
the rotating plate comprises a bottom plate, a middle plate and a contact plate, one end of the middle plate is bonded with the bottom plate, the other end of the middle plate is bonded with the contact plate, and the contact plate is directly contacted with the air bag to prevent the air bag from being damaged;
the rotating plate is rotatably connected to the rotating shaft, the rotating shaft is fixed to the port of the outer tube, a torsion spring is further arranged on the rotating shaft, and when the air bag is opened, the rotating plate is formed to be right to wrap the air bag.
Preferably, a round hole is formed in the middle of the air bag fixing plate, and the diameter of the round hole is larger than the aperture of the inner tube and smaller than the aperture of the outer tube.
Preferably, the surface of the rotating plate close to the air bag is provided with an arc-shaped surface.
Preferably, the rotating plate is provided with 4 rotating plates, and the 4 rotating plates are uniformly distributed at the port of the outer tube.
Preferably, one end of the inner tube, which is far away from the outer tube, is connected with an interface of a three-way valve through a hose, and a valve is connected between the inner tube and the three-way valve to open and close the air bag.
Preferably, the other two ports of the three-way valve are respectively connected with the pressurizing ball and the flow control valve.
Preferably, the inlet of the flow control valve is connected with a delivery pump.
Preferably, an annular groove is formed in the side wall, close to the adjusting nut, of the expansion plate, an annular clamping block is arranged in the annular groove, and the outer side of the annular clamping block is fixedly connected with the adjusting nut.
The utility model discloses a technological effect and advantage: the operation channel expansion device can completely retract the air bag into the outer tube, and the tube opening of the outer tube is arranged at the position to be expanded, so that the air bag is easy to place and very convenient; the arrangement of the pressurizing ball can be used for manual pressurization, and is flexible and convenient; the setting of commentaries on classics board and torsional spring makes and seals the outer tube not using this operation passageway expanding unit, prevents to pollute, can fix and protect the gasbag when using, facilitates the use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the outer pipe port of the present invention near the rotating plate;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 4 is a schematic view of the structure of the rotating plate of the present invention.
In the figure: 1. an outer tube; 2. an inner tube; 3. an air bag; 4. an expansion board; 5. adjusting the nut; 6. an annular fixture block; 7. a hose; 8. a valve; 9. a three-way valve; 10. a pressurizing ball; 11. a flow control valve; 12. rotating the plate; 13. a rotating shaft; 14. a torsion spring; 15. a base plate; 16. a middle layer plate; 17. a contact plate; 18. an air bag fixing plate.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example 1:
by adopting an automatic pressurization mode, the utility model provides an operation channel expansion device as shown in figures 1-4, which comprises an outer tube 1, wherein the outer tube 1 is a hollow tubular structure, an inner tube 2 is inserted in the hollow tubular structure of the outer tube 1, one end of the inner tube 2 is connected with an air bag fixing plate 18, is used for fixedly connecting the inner tube 2 with the air bag 3, the air bag 3 is sleeved on the outer surface of the inner tube 2, the air bag fixing plate 18 fixes the joint of the air bag 3 and the inner tube 2, the middle part of the air bag fixing plate 18 is provided with a round hole, the diameter of the round hole is larger than the aperture of the inner tube 2 and smaller than the aperture of the outer tube 1, one end of the outer tube 1 far away from the air bag 3 is provided with a convex expansion plate 4, one side of the expansion plate 4 is rotatably connected with an adjusting nut 5, the outer wall of the inner tube 2 is provided with a female thread matched, the rotating plate 12 is arranged at the port of the outer tube 1 close to the air bag 3;
the rotating plate 12 comprises a bottom plate 15, a middle layer plate 16 and a contact plate 17, wherein one end of the middle layer plate 16 is adhered to the bottom plate 15, the other end of the middle layer plate 16 is adhered to the contact plate 17, and the contact plate 17 is in direct contact with the air bag 3 to prevent the air bag from being damaged;
the rotating plate 12 is rotatably connected to a rotating shaft 13, the rotating shaft 13 is fixed on the port of the outer tube 1, a torsion spring 14 is further arranged on the rotating shaft 13, and when the air bag 3 is opened, the rotating plate 12 wraps the air bag 3;
one end of the inner pipe 2 far away from the outer pipe 1 is connected with one interface of a three-way valve 9 through a hose 7, the other interface of the three-way valve 9 is connected with a flow control valve 11, and an inlet of the flow control valve 11 is connected with a delivery pump.
Example 2:
the utility model provides a surgery channel expanding device shown in figures 1-4 by adopting a manual pressurizing mode, which comprises an outer tube 1, wherein the outer tube 1 is a hollow tubular structure, an inner tube 2 is inserted in the hollow tubular structure of the outer tube 1, one end of the inner tube 2 is connected with an air bag fixing plate 18, is used for fixedly connecting the inner tube 2 with the air bag 3, the air bag 3 is sleeved on the outer surface of the inner tube 2, the air bag fixing plate 18 fixes the joint of the air bag 3 and the inner tube 2, the middle part of the air bag fixing plate 18 is provided with a round hole, the diameter of the round hole is larger than the aperture of the inner tube 2 and smaller than the aperture of the outer tube 1, one end of the outer tube 1 far away from the air bag 3 is provided with a convex expansion plate 4, one side of the expansion plate 4 is rotatably connected with an adjusting nut 5, the outer wall of the inner tube 2 is provided with a female thread matched, the rotating plate 12 is arranged at the port of the outer tube 1 close to the air bag 3;
the rotating plate 12 comprises a bottom plate 15, a middle layer plate 16 and a contact plate 17, wherein one end of the middle layer plate 16 is adhered to the bottom plate 15, the other end of the middle layer plate 16 is adhered to the contact plate 17, and the contact plate 17 is in direct contact with the air bag 3 to prevent the air bag from being damaged;
the rotating plate 12 is rotatably connected to a rotating shaft 13, the rotating shaft 13 is fixed on the port of the outer tube 1, a torsion spring 14 is further arranged on the rotating shaft 13, and when the air bag 3 is opened, the rotating plate 12 wraps the air bag 3;
one end of the inner tube 2 far away from the outer tube 1 is connected with one interface of a three-way valve 9 through a hose 7, and the other interface of the three-way valve 9 is connected with a pressurizing ball 10 for manually pressurizing the air bag 3.
Example 3:
the utility model provides an operation channel expanding device as shown in figures 1-4, which comprises an outer tube 1, wherein the outer tube 1 is a hollow tubular structure, an inner tube 2 is inserted in the hollow tubular structure of the outer tube 1, one end of the inner tube 2 is connected with an air bag fixing plate 18, is used for fixedly connecting the inner tube 2 with the air bag 3, the air bag 3 is sleeved on the outer surface of the inner tube 2, the air bag fixing plate 18 fixes the joint of the air bag 3 and the inner tube 2, the middle part of the air bag fixing plate 18 is provided with a round hole, the diameter of the round hole is larger than the aperture of the inner tube 2 and smaller than the aperture of the outer tube 1, one end of the outer tube 1 far away from the air bag 3 is provided with a convex expansion plate 4, one side of the expansion plate 4 is rotatably connected with an adjusting nut 5, the outer wall of the inner tube 2 is provided with a female thread matched, the rotating plate 12 is arranged at the port of the outer tube 1 close to the air bag 3;
the rotating plate 12 comprises a bottom plate 15, a middle layer plate 16 and a contact plate 17, wherein one end of the middle layer plate 16 is adhered to the bottom plate 15, the other end of the middle layer plate 16 is adhered to the contact plate 17, and the contact plate 17 is in direct contact with the air bag 3 to prevent the air bag from being damaged;
the rotating plate 12 is rotatably connected to a rotating shaft 13, the rotating shaft 13 is fixed on the port of the outer tube 1, a torsion spring 14 is further arranged on the rotating shaft 13, and when the air bag 3 is opened, the rotating plate 12 wraps the air bag 3;
one end of the inner pipe 2 far away from the outer pipe 1 is connected with one interface of a three-way valve 9 through a hose 7, the other two interfaces of the three-way valve 9 are respectively connected with a pressurizing ball 10 and a flow control valve 11, and an inlet of the flow control valve 11 is connected with a delivery pump.
Example 4:
the utility model provides an operation channel expanding device as shown in figures 1-4, which comprises an outer tube 1, the outer tube 1 is a hollow tubular structure, an inner tube 2 is inserted in the hollow tubular structure of the outer tube 1, one end of the inner tube 2 is connected with an air bag fixing plate 18 for fixedly connecting the inner tube 2 with an air bag 3, the air bag 3 is sleeved on the outer surface of the inner tube 2, the air bag fixing plate 18 fixes the connection part of the air bag 3 and the inner tube 2, the middle part of the air bag fixing plate 18 is provided with a round hole, the diameter of the round hole is larger than the aperture of the inner tube 2 and smaller than the aperture of the outer tube 1, one end of the outer tube 1 far away from the air bag 3 is provided with a convex expansion plate 4, one side of the expansion plate 4 is rotatably connected with an adjusting nut 5, the outer wall of the inner tube 2 is provided with a female thread matched with the male thread of, an annular clamping block 6 is arranged in the annular groove, the outer side of the annular clamping block 6 is fixedly connected with an adjusting nut 5, and a rotating plate 12 is arranged at the port, close to the air bag 3, of the outer tube 1;
the rotating plate 12 comprises a bottom plate 15, a middle layer plate 16 and a contact plate 17, wherein one end of the middle layer plate 16 is adhered to the bottom plate 15, the other end of the middle layer plate 16 is adhered to the contact plate 17, and the contact plate 17 is in direct contact with the air bag 3 to prevent the air bag from being damaged;
the rotating plate 12 is rotatably connected to a rotating shaft 13, the rotating shaft 13 is fixed on the port of the outer tube 1, a torsion spring 14 is further arranged on the rotating shaft 13, and when the air bag 3 is opened, the rotating plate 12 wraps the air bag 3;
one end of the inner pipe 2 far away from the outer pipe 1 is connected with one interface of a three-way valve 9 through a hose 7, the other two interfaces of the three-way valve 9 are respectively connected with a pressurizing ball 10 and a flow control valve 11, and an inlet of the flow control valve 11 is connected with a delivery pump.
Example 5:
in order to better fix and protect the air bag 3, the utility model provides an operation channel expanding device as shown in figures 1-4, which comprises an outer tube 1, the outer tube 1 is a hollow tubular structure, an inner tube 2 is inserted in the hollow tubular structure of the outer tube 1, one end of the inner tube 2 is connected with an air bag fixing plate 18 for fixedly connecting the inner tube 2 with the air bag 3, the air bag 3 is sleeved on the outer surface of the inner tube 2, the air bag fixing plate 18 fixes the connection part of the air bag 3 and the inner tube 2, the middle part of the air bag fixing plate 18 is provided with a round hole, the diameter of the round hole is larger than that of the inner tube 2 and smaller than that of the outer tube 1, one end of the outer tube 1 far away from the air bag 3 is provided with a convex expansion plate 4, one side of the expansion plate 4 is rotatably connected with an adjusting nut 5, the outer wall of the inner tube 2 is provided with a female thread matched with the male thread of, an annular clamping block 6 is arranged in the annular groove, the outer side of the annular clamping block 6 is fixedly connected with an adjusting nut 5, a rotating plate 12 is arranged at the port, close to the air bag 3, of the outer tube 1, and the surface, close to the air bag 3, of the rotating plate 12 is provided with an arc-shaped surface;
the rotating plate 12 comprises a bottom plate 15, a middle layer plate 16 and a contact plate 17, wherein one end of the middle layer plate 16 is adhered to the bottom plate 15, the other end of the middle layer plate 16 is adhered to the contact plate 17, and the contact plate 17 is in direct contact with the air bag 3 to prevent the air bag from being damaged;
the rotating plate 12 is rotatably connected to a rotating shaft 13, the rotating shaft 13 is fixed on the port of the outer tube 1, a torsion spring 14 is further arranged on the rotating shaft 13, when the air bag 3 is opened, the rotating plate 12 wraps the air bag 3, 4 rotating plates 12 are arranged, and the 4 rotating plates 12 are uniformly distributed on the port of the outer tube 1;
one end of the inner pipe 2 far away from the outer pipe 1 is connected with one interface of a three-way valve 9 through a hose 7, the other two interfaces of the three-way valve 9 are respectively connected with a pressurizing ball 10 and a flow control valve 11, and an inlet of the flow control valve 11 is connected with a delivery pump.
Example 6:
the present embodiment is different from embodiment 5 in that a valve 8 is additionally provided between the inner tube 2 and the three-way valve 9 to open and close the airbag 3.
The working principle is as follows: before using, gasbag 3 is received in outer tube 1 completely, then arrange the mouth of pipe of outer tube 1 in the position that needs the expansion, it targets in place very easily to make gasbag 3, it is very convenient, then rotate adjusting nut 5, adjusting nut 5 drives the external screw thread rotation of inner tube 2, make inner tube 2 promote gasbag 3, make gasbag 3 stretch out gradually, reach required requirement, the stall, fill gas or liquid into gasbag 3 through pressurization ball 10 is manual or delivery pump is automatic, pressurize gasbag 3, realize the expansion, after the pressurization, close valve 8, perform the operation, open valve 8 after the use, realize the step-down to gasbag 3, it is very convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. A surgical channel expansion device comprises an outer tube, and is characterized in that: the outer pipe is of a hollow tubular structure, an inner pipe is inserted into the hollow tubular structure of the outer pipe, one end of the inner pipe is connected with an air bag fixing plate and used for fixedly connecting the inner pipe with an air bag, an expansion plate is arranged at one end, far away from the air bag, of the outer pipe, one side of the expansion plate is rotatably connected with an adjusting nut, female threads matched with the male threads of the adjusting nut are arranged on the outer wall of the inner pipe and used for adjusting the movement of the inner pipe, and a rotating plate is arranged at a port, close to the air bag, of the outer pipe;
the rotating plate comprises a bottom plate, a middle plate and a contact plate, one end of the middle plate is bonded with the bottom plate, the other end of the middle plate is bonded with the contact plate, and the contact plate is directly contacted with the air bag to prevent the air bag from being damaged;
the rotating plate is rotatably connected to the rotating shaft, the rotating shaft is fixed to the port of the outer tube, a torsion spring is further arranged on the rotating shaft, and when the air bag is opened, the rotating plate is formed to be right to wrap the air bag.
2. The surgical tunnel dilation apparatus according to claim 1, wherein: the middle part of the air bag fixing plate is provided with a round hole, and the diameter of the round hole is larger than the aperture of the inner tube and smaller than the aperture of the outer tube.
3. A surgical tunnel dilation apparatus according to claim 2, wherein: the surface of the rotating plate close to the air bag is an arc-shaped surface.
4. A surgical tunnel dilation apparatus according to claim 3, wherein: the rotating plate is provided with 4 rotating plates which are uniformly distributed at the port of the outer tube.
5. The surgical tunnel dilation device according to any one of claims 1 to 4 wherein: one end of the inner pipe, which is far away from the outer pipe, is connected with an interface of a three-way valve through a hose, and a valve is connected between the inner pipe and the three-way valve to open and close the air bag.
6. The surgical tunnel dilation device according to claim 5, wherein: and the other two interfaces of the three-way valve are respectively connected with a pressurizing ball and a flow control valve.
7. The surgical tunnel dilation device according to claim 6, wherein: and the inlet of the flow control valve is connected with a delivery pump.
8. The surgical tunnel dilation device according to claim 7, wherein: an annular groove is formed in the side wall, close to the adjusting nut, of the expansion plate, an annular clamping block is arranged in the annular groove, and the outer side of the annular clamping block is fixedly connected with the adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922200443.6U CN211270916U (en) | 2019-12-10 | 2019-12-10 | Operation channel expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922200443.6U CN211270916U (en) | 2019-12-10 | 2019-12-10 | Operation channel expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211270916U true CN211270916U (en) | 2020-08-18 |
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ID=72010248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922200443.6U Active CN211270916U (en) | 2019-12-10 | 2019-12-10 | Operation channel expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211270916U (en) |
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2019
- 2019-12-10 CN CN201922200443.6U patent/CN211270916U/en active Active
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