CN209863754U - Endoscope operation portion clamp path structure - Google Patents
Endoscope operation portion clamp path structure Download PDFInfo
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- CN209863754U CN209863754U CN201920335087.6U CN201920335087U CN209863754U CN 209863754 U CN209863754 U CN 209863754U CN 201920335087 U CN201920335087 U CN 201920335087U CN 209863754 U CN209863754 U CN 209863754U
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- hole
- main body
- abutting surface
- endoscope
- positioning
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Abstract
The utility model provides an endoscope operation portion pincers way structure belongs to endoscope technical field. The problems that the existing endoscope operation part clamp channel structure is inconvenient to machine and the cavity channel is not smooth are solved. The endoscope operation part clamp channel structure comprises a body, wherein the body comprises a first main body with a first attaching surface and a second main body with a second attaching surface, a first hole with the rear end positioned on the first attaching surface is formed in the first main body, a second hole and a third hole with the front end intersected with the second attaching surface are formed in the second main body, the inner surface of the third hole is in arc transition with the inner surface of the second hole, when the second attaching surface is attached to the first attaching surface, the inner surface of the second hole is in arc transition with the inner surface of the first hole, and the inner surface of the third hole is in arc transition with the inner surface of the first hole. The utility model has the advantages of convenient processing and the like, and the formed cavity is smooth and can not store dirt and dirty.
Description
Technical Field
The utility model belongs to the technical field of the endoscope, a endoscope operation portion pincers way structure is related to, especially an endoscope operation portion pincers way tee bend structure.
Background
The operation part clamp channel three-way structure is positioned in the middle of the operation part, one interface of the operation part clamp channel three-way structure is connected with a clamp channel tube extending from the direction of the head end, one interface of the operation part clamp channel three-way structure is connected with a suction tube extending from a suction port of the light guide part, and the interface emerging out of the shell of the operation part is the inlet end of instruments such as biopsy. As shown in fig. 1, the chinese patent "instrument conduit structure for endoscope (No. CN 205514489U)", which comprises a body 1 ', a lumen formed by a first hole 2', a second hole 3 ', and a third hole 4' is formed on the body 1 ', the third hole 4' is located at a side portion of the body 1 ', and a rear end of the first hole 2' is respectively communicated with front ends of the second hole 3 'and the third hole 4'.
Because the inner chamber of the three-way structure of the forceps channel needs to pass through surgical instruments, waste scraps and waste liquid generated in the operation also need to pass through the inner chamber of the forceps channel, and the inner chamber of the forceps channel needs to be smooth and easy in order to effectively ensure the smoothness of the surgical instruments passing through the inner chamber of the forceps channel and effectively avoid the dirt and scale in the inner chamber of the forceps channel. When the forceps channel inner cavity is machined, machining is conducted in the three directions of the first hole 2 ', the second hole 3' and the third hole 4 ', no matter how the pore diameters of the first hole 2', the second hole 3 'and the third hole 4' are adjusted, a step surface always exists at the joint of the three holes, the operation instrument is obstructed passing in the forceps channel inner cavity, meanwhile, the step surface is easy to store dirt and scale, and infection risks are caused to operation patients.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing an endoscope operation part clamping channel structure which is beneficial to the passing of surgical instruments.
The purpose of the utility model can be realized by the following technical proposal:
the endoscope operation part clamping channel structure comprises a body and is characterized in that the body comprises a first main body with a first abutting surface and a second main body with a second abutting surface, a first hole with the rear end positioned on the first abutting surface is formed in the first main body, a second hole and a third hole with the front end intersected with the second abutting surface are formed in the second main body, the inner surface of the third hole is in arc transition with the inner surface of the second hole, when the second abutting surface abuts against the first abutting surface, the inner surface of the second hole is in arc transition with the inner surface of the first hole, and the inner surface of the third hole is in arc transition with the inner surface of the first hole.
In the structure, the first attaching surface and the second attaching surface are arranged in a matching way. The body is divided into two parts, the hole I can be processed along the two ends of the hole I, the hole II can be processed along the two ends of the hole II, the hole III can be processed along the two ends of the hole III, the processing is simple and convenient, the arc transition between the inner surface of the hole III and the inner surface of the hole II, the arc transition between the inner surface of the hole II and the inner surface of the hole I and the arc transition between the inner surface of the hole III and the inner surface of the hole I are facilitated, a cavity channel formed by the hole I, the hole II and the hole III is a smooth cavity channel without steps, the passing of surgical instruments is not hindered, dirty and the risk of infection of patients is reduced.
In the structure of the forceps channel of the operating part of the endoscope, an included angle between the central line of the third hole and the central line of the second hole is an acute angle, a transition surface is arranged between the third hole and the second hole, and the transition surface is in arc transition with the inner surface of the third hole and the inner surface of the second hole respectively; and an included angle between the central line of the first hole and the central line of the third hole is an obtuse angle.
And the included angle between the midline of the first hole and the midline of the third hole is an obtuse angle, so that the surgical instrument can be conveniently penetrated into the first hole from the third hole. When the second hole and the third hole are formed initially, sharp intersecting edges are formed at the intersection of the second hole and the third hole, and a transition surface needs to be processed at the intersection edges, so that the surgical instrument can be prevented from being damaged by the intersecting edges when the surgical instrument is pulled. The included angle between the central line of the third hole and the central line of the second hole is 30-60 degrees, and preferably 45 degrees.
In the above-mentioned structure of the forceps channel of the endoscope operation portion, an included angle between a central line of the hole three and the contact surface two is α, and an included angle between a central line of the hole two and the contact surface two is β, where α ═ β. On the premise of being beneficial to processing the hole three, the hole two processing is facilitated.
In the above-mentioned structure of the forceps channel of the endoscope operation portion, the first attaching surface has a first positioning pin, and the second attaching surface has a first positioning hole matched with the first positioning pin. The matching precision of the first abutting surface and the second abutting surface can be effectively ensured, and therefore the smooth cavity channel is prevented from generating a fault due to assembly problems.
In the above-mentioned structure of the clamp channel of the endoscope operation portion, the first positioning pin is arranged perpendicular to the first abutting surface.
In the above-mentioned structure of the forceps channel of the endoscope operation portion, the first positioning pins are symmetrically distributed, and the first positioning holes are two.
In the above-mentioned structure of the forceps channel of the endoscope operation portion, the second attaching surface is provided with a second positioning pin, and the first attaching surface is provided with a second positioning hole matched with the second positioning pin.
In the above-mentioned structure of the forceps channel of the endoscope operation portion, the second positioning pin is disposed perpendicular to the second contact surface.
In the structure of the forceps channel of the endoscope operation part, the two positioning pins are symmetrically distributed, and the two positioning holes are arranged.
The processing method of the clamp channel structure of the endoscope operation part comprises the following steps:
1. processing a first main body with a first abutting surface and a second main body with a second abutting surface;
2. processing a first hole on the first main body and processing a first positioning pin;
3. processing a second hole and a third hole on the second main body, processing a transition surface, and processing a first positioning hole;
4. and inserting the first positioning pin into the first positioning hole to enable the first abutting surface to abut against the second abutting surface, and connecting the first main body and the second main body into a whole through a welding mode.
Compared with the prior art, the endoscope operation part clamp channel structure has the following advantages:
the body is divided into a first main body and a second main body, so that the forming of the first hole, the second hole and the third hole is facilitated, and the processing is convenient; the cavity channel formed by the first hole, the second hole and the third hole is smooth, so that the smoothness of surgical instruments passing through the cavity channel can be effectively guaranteed, dirt is not stored, and the risk of infection of patients is reduced.
Drawings
Fig. 1 is a sectional view of a tee structure provided in the background art.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first main body according to a first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second main body according to a first embodiment of the present invention.
In the figure, 1, main body one; 1a, a first contact surface; 1b, a hole I; 2. a second main body; 2a, a second contact surface; 2b, a second hole; 2c, a third hole; 2d, transition surfaces; 3. a first positioning pin; 4. and a first positioning hole.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
The endoscope operation part clamping path structure comprises a body, as shown in figures 2 and 3, the body comprises a first main body 1 with a first abutting surface 1a and a second main body 2 with a second abutting surface 2a, as shown in figure 3, a first hole 1b with the rear end positioned on the first abutting surface 1a is arranged in the first main body 1, a second hole 2b and a third hole 2c with the front end intersected at the second abutting surface 2a are arranged in the second main body 2, the inner surface of the third hole 2c is in arc transition with the inner surface of the second hole 2b, when the second abutting surface 2a abuts against the first abutting surface 1a, the inner surface of the second hole 2b is in arc transition with the inner surface of the first hole 1b, and the inner surface of the third hole 2c is in arc transition with the inner surface of the first hole 1 b.
Wherein, the first abutting surface 1a is matched with the second abutting surface 2 a. The body is divided into two parts, the hole I1 b can be machined along two ends of the hole I1 b, the hole II 2b can be machined along two ends of the hole II 2b, the hole III 2c can be machined along two ends of the hole III 2c, machining is simple and convenient, arc transition between the inner surface of the hole III 2c and the inner surface of the hole II 2b, arc transition between the inner surface of the hole II 2b and the inner surface of the hole I1 b and arc transition between the inner surface of the hole III 2c and the inner surface of the hole I1 b are facilitated, a cavity channel formed by the hole I1 b, the hole II 2b and the hole III 2c is a smooth cavity channel without steps, the passing of surgical instruments is not hindered, dirt and dirt are not stored, and the risk of infection of a patient is reduced.
In this embodiment, as shown in fig. 3, an included angle between a central line of the third hole 2c and a central line of the second hole 2b is an acute angle, a transition surface 2d is provided between the third hole 2c and the second hole 2b, and the transition surface 2d is in arc transition with an inner surface of the third hole 2c and an inner surface of the second hole 2b respectively; an included angle between the central line of the first hole 1b and the central line of the third hole 2c is an obtuse angle; hole one 1b is parallel to hole two 2 b.
Since the included angle between the midline of the first hole 1b and the midline of the third hole 2c is obtuse, the penetration of the surgical instrument from the third hole 2c into the first hole 1b is facilitated. When the second hole 2b and the third hole 2c are formed initially, sharp intersecting edges are formed at the intersection of the two, and a transition surface 2d needs to be processed at the intersection edges, so that the surgical instrument can be prevented from being damaged by the intersecting edges when the surgical instrument is pulled. The centerline of the third hole 2c makes an angle of 45 with the centerline of the second hole 2 b.
As shown in fig. 3, an included angle between the center line of the hole three 2c and the abutting surface two 2a is α, and an included angle between the center line of the hole two 2b and the abutting surface two 2a is β, where α ═ β is favorable for processing the hole two 2b on the premise of being favorable for processing the hole three 2 c.
As shown in FIG. 4, the first contact surface 1a has a first positioning pin 3, and as shown in FIG. 5, the second contact surface 2a has a first positioning hole 4 disposed to cooperate with the first positioning pin 3. The matching precision of the first abutting surface 1a and the second abutting surface 2a can be effectively ensured, so that the smooth cavity channel is prevented from generating a fault due to the assembly problem.
The first positioning pin 3 is arranged perpendicular to the first contact surface 1 a.
As shown in fig. 4, the first positioning pins 3 are two and symmetrically distributed, and as shown in fig. 5, the first positioning holes 4 are two.
The processing method of the clamp channel structure of the endoscope operation part comprises the following steps:
1. processing a main body 1 with a first abutting surface 1a and a main body 2 with a second abutting surface 2 a;
2. processing a first hole 1b and a first positioning pin 3 on the first main body 1;
3. machining a second hole 2b and a third hole 2c on the second main body 2, machining a transition surface 2d and machining a first positioning hole 4;
4. and inserting the positioning pin I3 into the positioning hole I4 to enable the first abutting surface 1a to abut against the second abutting surface 2a, and connecting the main body I1 and the main body II 2 into a whole body in a welding mode.
Example two
The structure principle of the present embodiment is basically the same as that of the first embodiment, and the difference is that two positioning pins two symmetrically distributed are arranged on the second contact surface 2a, and two positioning holes two matched with the positioning pins two are arranged on the first contact surface 1 a. The second positioning pin is perpendicular to the second contact surface 2 a.
EXAMPLE III
The structure principle of this embodiment is basically the same as that of embodiment one, and the difference lies in that the structure of the forceps channel of the endoscope operation part comprises a body, a smooth cavity channel without steps, which is composed of a hole I1 b, a hole II 2b and a hole III 2c, is arranged in the body, and the body is processed and molded by a rapid molding method such as 3D printing.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. An endoscope operation part clamping channel structure comprises a body, and is characterized in that the body comprises a first main body (1) with a first abutting surface (1a) and a second main body (2) with a second abutting surface (2a), the first main body (1) is internally provided with a first hole (1b) with the rear end positioned on the first abutting surface (1a), the second main body (2) is internally provided with a second hole (2b) and a third hole (2c) with the front ends intersected with the second abutting surface (2a), the inner surface of the third hole (2c) is in arc transition with the inner surface of the second hole (2b), when the second abutting surface (2a) abuts against the first abutting surface (1a), the inner surface of the second hole (2b) is in arc transition with the inner surface of the first hole (1b), and the inner surface of the third hole (2c) is in arc transition with the inner surface of the first hole (1 b).
2. The endoscope operation part channel structure according to claim 1, wherein an included angle between a central line of the third hole (2c) and a central line of the second hole (2b) is an acute angle, a transition surface (2d) is arranged between the third hole (2c) and the second hole (2b), and the transition surface (2d) is in arc transition with an inner surface of the third hole (2c) and an inner surface of the second hole (2b) respectively; and an included angle between the central line of the first hole (1b) and the central line of the third hole (2c) is an obtuse angle.
3. The endoscope operation portion channel structure according to claim 1 or 2, wherein the first abutting surface (1a) is provided with a first positioning pin (3), and the second abutting surface (2a) is provided with a first positioning hole (4) matched with the first positioning pin (3).
4. The endoscope operating portion channel structure according to claim 3, wherein the positioning pin one (3) is disposed perpendicularly to the abutting surface one (1 a).
5. The structure of the forceps channel of the operating portion of the endoscope, as set forth in claim 3, wherein the positioning pins one (3) are two and symmetrically distributed, and the positioning holes one (4) are two.
6. The endoscope operating portion channel structure according to claim 1 or 2, wherein the second abutting surface (2a) is provided with a second positioning pin, and the first abutting surface (1a) is provided with a second positioning hole matched with the second positioning pin.
7. The structure of the forceps channel of the operating portion of the endoscope according to claim 6, wherein the second positioning pin is disposed perpendicular to the second contact surface (2 a).
8. The structure of the forceps channel of the operating portion of the endoscope according to claim 6, wherein the two positioning pins are symmetrically distributed, and the two positioning holes are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920335087.6U CN209863754U (en) | 2019-03-15 | 2019-03-15 | Endoscope operation portion clamp path structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920335087.6U CN209863754U (en) | 2019-03-15 | 2019-03-15 | Endoscope operation portion clamp path structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209863754U true CN209863754U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920335087.6U Active CN209863754U (en) | 2019-03-15 | 2019-03-15 | Endoscope operation portion clamp path structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209863754U (en) |
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2019
- 2019-03-15 CN CN201920335087.6U patent/CN209863754U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211208 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |
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| TR01 | Transfer of patent right |