CN115191912A - Double-layer snake bone unit section, snake bone pipe and endoscope - Google Patents
Double-layer snake bone unit section, snake bone pipe and endoscope Download PDFInfo
- Publication number
- CN115191912A CN115191912A CN202210688707.0A CN202210688707A CN115191912A CN 115191912 A CN115191912 A CN 115191912A CN 202210688707 A CN202210688707 A CN 202210688707A CN 115191912 A CN115191912 A CN 115191912A
- Authority
- CN
- China
- Prior art keywords
- double
- snake bone
- bone
- joint
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a double-layer snake bone unit section, a snake bone pipe and an endoscope. The double-layer snake bone unit joint is formed by nesting an inner bone joint and an outer bone joint which have the same length; two support lugs with a good arc-shaped main body are extended from one end of the pipe wall of the double-layer snake bone unit section, and an arc-shaped thin-wall connecting groove is extended from the other end of the pipe wall of the double-layer snake bone unit section and is hinged with the support lug of the adjacent snake bone unit section to form a snake bone pipe. The invention breaks through the single-layer snake bone unit section structure in the prior art, the two tubular parts of the inner bone section and the outer bone section which are riveted with each other are arranged to form a plurality of cavities which are mutually independent, so that a control wire and a traction wire which are penetrated in the cavities are mutually isolated, and the hinge structure which is integrally processed is arranged, so that the processing is simple, and the assembly is simple and convenient.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a double-layer snake bone unit section, a snake bone pipe and an endoscope.
Background
The endoscope has the advantages of high accuracy, small wound surface, difficult infection, short postoperative recovery time, unobvious scars and the like in diagnosis and treatment, and has attracted wide attention in the medical field. It is used to send endoscope to patient by means of moving device, and the doctor can directly observe the pathological changes of esophagus, stomach and duodenum, especially the tiny pathological changes.
The movement device is usually a thin and flexible tube, and a section of snake bone tube is usually designed at the front end of the tube to realize head direction change. The snake bone tube is usually composed of several unit segments, which are bent by pulling a manipulation wire connected thereto; the head section is used for carrying an imaging module, a biopsy channel outlet and a gas injection and water injection outlet, the tail section is connected with an endoscope tube, and the middle unit sections are required to be connected in sequence to connect the head section and the tail section; a traction wire and a control wire which are arranged in the snake bone tube are arranged between the head and the tail, and the traction wire is used for controlling the snake bone to bend by using an operating mechanism, so that the internal condition is more clearly explored; the control line is a signal transmission line; two kinds of line effects are different with the material, and general snake bone pipe can the pull wire set up many in order to improve control accuracy, consequently, when designing snake bone pipe structure, the preferred structure that can separate two kinds of lines.
The existing snake bone unit sections are all of single-layer structures, one or more wire passing structures are arranged on the inner wall of a snake bone unit section cylinder body, for example, snake bone unit section structures disclosed in a patent CN 207721791U and a patent CN 110840380A, and the snake bone pipe is relatively complex in processing technology and assembling process due to the complex shapes of the unit sections. In the prior art, the snake bone joints are connected in a rivet or hinged mode. The rivet connection has complex processing technology and high price. The other snake bone unit joint is forced to be extruded into the other snake bone unit joint by the aid of deformation of the snake bone unit joint in a hinged mode, and requirements on matching dimensional accuracy between the unit joints and elasticity of materials are high; when the fit is too tight or the elasticity of the material is small, the assembly difficulty is large, the operation efficiency is low, and the joint is easy to be blocked, however, when the fit is too loose or the elasticity of the material is too large, the reliability of the snake bone unit joint is poor. Therefore, the snake bone unit section and the snake bone pipe which are simple and convenient to assemble and reliable in assembly structure are designed, and the research significance and the application value are extremely high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-layer snake bone unit section, a snake bone pipe and an endoscope, wherein the double-layer snake bone unit section has a double-layer structure formed by nesting a riveted inner bone section and an outer bone section, and the inner bone section and the outer bone section are provided with a hinge structure of a superior arch support lug and an arc thin-wall connecting groove, so that an isolation structure of a control line and a traction line is formed, and the processing process and the assembly process are greatly simplified.
In order to achieve the purpose, the invention provides the following technical scheme:
a double-layer snake bone unit joint is characterized in that the double-layer snake bone unit joint is formed by nesting an inner bone joint and an outer bone joint which are the same in length, wherein a main body of the inner bone joint is an arc rectangular pipe, a main body of the outer bone joint is a circular pipe, and the arc outer diameter of the inner bone joint is the same as the basic size of the inner diameter of the outer bone joint; two identical support lugs with a major-arch-shaped main body and a small-section connecting structure extend from one end of the pipe wall of the double-layer snake bone unit joint on the side corresponding to the arc surface of the inner bone joint, and an arc-shaped thin-wall connecting groove with the inner diameter identical to the outer diameter of the support lug main body extends from the other end of the pipe wall of the double-layer snake bone unit joint; the direction of spread groove is perpendicular and parallel with two ears central connecting line with double-deck snake bone unit festival length direction for it is articulated with the journal stirrup of adjacent double-deck snake bone unit festival.
Preferably, the side surface of the double-layer snake bone unit joint is also provided with at least one positioning hole which penetrates through the inner bone joint and the outer bone joint, is vertical to the length direction of the double-layer snake bone unit joint and is used for riveting the inner bone joint and the outer bone joint, and the positioning hole is arranged on the side corresponding to the arc surface of the inner bone joint.
Preferably, the lug body arcuate arc is greater than 270 °, correspondingly, the connecting slot arc is greater than 180 ° but less than the lug body arcuate arc; the wall thickness of the connecting groove is not less than that of the main body pipe of the double-layer snake bone unit joint; the small-section connecting structure between the support lug main body and the double-layer snake bone unit section is rectangular, and the length of the rectangle is larger than the wall thickness of the connecting groove.
Preferably, the double-layer snake bone unit section is a metal snake bone unit section.
A snake bone pipe with the double-layer snake bone unit section is characterized by comprising at least two double-layer snake bone unit sections which are hinged through the support lug and the connecting groove. Preferably, the snake bone pipe further comprises an outer layer structure which is made of flexible materials and used for wrapping the hinged double-layer snake bone unit sections.
An endoscope with the snake bone pipe is characterized by comprising two pull wires for connecting and controlling the double-layer snake bone unit sections; the traction wire respectively passes through a first cavity and a second cavity formed by the outer wall of the inner bone joint and the inner wall of the outer bone joint. Preferably, the endoscope further comprises a control wire for transmitting the endoscope electrical signal; the control wire passes through a third cavity formed in the inner wall of the endosseous joint.
The forming method of the double-layer snake bone unit section is characterized by comprising the following steps:
s1, respectively processing an inner bone pitch circular arc rectangular pipe and an outer bone pitch circular pipe which meet the requirements of size and shape precision; s2, nesting and installing the inner rib section circular arc rectangular pipe and the outer rib section circular pipe into a double-layer snake bone unit section profile, drilling a positioning hole on the side surface of the double-layer snake bone unit section profile, and then installing a rivet to rivet the outer rib section and the outer rib section; s3, cutting the riveted double-layer snake bone unit section into independent double-layer snake bone unit section blanks according to the length requirement; and S4, cutting a support lug and a connecting groove on the double-layer snake bone unit section blank.
Compared with the prior art, the invention has the beneficial effects that:
1. the double-layer snake bone unit section breaks through the single-layer snake bone unit section structure in the prior art, and is provided with the inner bone section and the outer bone section which are riveted with each other to form a plurality of cavities which are independent from each other, so that a control wire and a traction wire which penetrate through the cavities are isolated from each other.
2. The invention has the advantages that the double-layer snake bone unit section is provided with the optimized bow-shaped support lug and the circular arc-shaped thin-wall connecting groove hinge structure which are integrally processed, the hinge structure is simple, the snake bone pipe is assembled by the unit section, the process of the endoscope is simple, and the structure is reliable.
Drawings
FIG. 1 is a schematic structural view of a double-layer snake bone unit section according to an embodiment of the present invention;
FIG. 2 is a schematic view of an inner condyle according to an embodiment of the present invention;
FIG. 3 is a schematic view of an exoskeleton structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a serpentine tube structure with control and pull wires according to an embodiment of the present invention.
In the figure: 1. the bone comprises an inner bone joint, 2 an outer bone joint, 3 a positioning hole, 4 a superior arch support lug, 5 a circular arc connecting groove, 6 a traction wire, 7 and a control wire.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described in the invention with reference to the attached drawings, and the description of the embodiments is used for assisting the understanding of the invention, but the invention is not limited by the embodiments.
As shown in fig. 1, the double-layer snake bone unit section in the embodiment comprises an inner bone section 1 and an outer bone section 2 which are the same in length; the main body of the inner condyle is a circular arc rectangular pipe, as shown in figure 2; the external condyle body is a circular tube, which is shown in fig. 3; the outer diameter of the inner bone segment circular arc is the same as the inner diameter of the outer bone segment, the inner bone segment is embedded into the outer bone segment to form a double-layer snake bone unit segment, and a connecting surface is formed at the position of the inner bone segment circular arc surface. The fixing mode of the inner and outer bone segments can adopt various modes such as welding, riveting and the like, for example, the side surface of the snake bone unit segment is provided with at least one positioning hole which penetrates through the inner bone segment and the outer bone segment and is vertical to the length direction of the unit segment, and the inner bone segment and the outer bone segment are riveted; as shown in fig. 1, a positioning hole 4 is arranged at the center of the arc surface of the inner bone segment and penetrates through the double-layer snake bone unit segments.
The double-layer snake bone unit section is also provided with two major bow-shaped support lugs 3 and a circular arc connecting groove 5; the support lug 3 extends out from one end of the pipe wall of the main body of the snake bone unit section at the side corresponding to the circular arc surface of the inner bone section, and the connecting groove 5 extends out from the other corresponding end; the direction of the connecting groove 5 is vertical to the length direction of the unit sections and is parallel to the central connecting line of the two lugs, and the connecting groove is used for being hinged with the lugs of the adjacent snake bone unit sections. The arc of the bow-shaped arc of the support lug main body is larger than 270 degrees, correspondingly, the arc of the connecting groove is larger than 180 degrees but smaller than the arc of the support lug; the wall thickness of the connecting groove is not less than that of the main body of the snake bone unit section. Still be provided with the small cross section connection structure of rectangle or other shapes (like waist type) between journal stirrup main part and the snake bone festival main part, connection structure length is greater than the spread groove wall thickness, avoids the motion to interfere.
The forming method of the double-layer snake bone unit section preferably comprises the following steps: s1, respectively processing an inner bone pitch circular arc rectangular pipe and an outer bone pitch circular pipe which meet the requirements of size and shape precision; s2, embedding and installing the inner rib section circular arc rectangular pipe and the outer rib section circular pipe into a double-layer snake bone unit section profile, drilling a positioning hole in the side surface of the double-layer snake bone unit section profile, and then installing a rivet to rivet the outer rib section and the outer rib section; s3, cutting the riveted double-layer snake bone unit section into independent double-layer snake bone unit section blanks according to the length requirement; and S4, cutting a support lug and a connecting groove on the double-layer snake bone unit section blank. The method can better ensure the processing efficiency and the precision of processed products. The snake bone unit section structure and the forming method are more suitable for metal snake bone unit sections.
The inner bone structure of the formed snake bone unit segment is shown in figure 2, and the outer bone structure is shown in figure 3. The forming method of the snake bone unit joint can also be designed to independently process the inner bone joint and the outer bone joint which are shown in the figure, then the inner bone joint and the outer bone joint are nested and installed, and rivets are arranged in the positioning holes to rivet the outer bone joint and the outer bone joint.
The snake bone pipe comprises a plurality of snake bone unit sections which are hinged through a support lug 3 and a connecting groove 5. When the snake bone pipe is assembled, the support lugs 3 of the snake bone unit sections at the rear ends are nested and arranged in the connecting grooves 5 of the snake bone unit sections at the front end sections in a hinged mode, the installed bendable snake bone pipe structure is shown in figure 4, and the support lugs 3 of the snake bone unit sections at the rear ends can rotate in the connecting grooves 5 of the snake bone unit sections at the front ends.
A control line containing a signal line, a traction line for controlling the bending of the snake bone pipe and an outer layer structure for wrapping the snake bone pipe are arranged in the snake bone pipe, sensors such as an endoscope and the like are arranged at the front section of the snake bone pipe, and moving devices such as a pipe and the like connected with an external operating mechanism are arranged at the rear end of the snake bone pipe, so that a complete endoscope product is formed. The outer layer structure can be a flexible wrapping layer, such as a rubber hose, a metal wire mesh, a spring sleeve and the like, the wrapping layer can provide resetting power for resetting of the joint and fill a gap formed after the snake bone joint is bent. As shown in fig. 4, two traction wires 6 are arranged in the first cavity and the second cavity formed by the outer wall of the inner bone segment and the inner wall of the outer bone segment to connect and control the traction wires 6 on one side pulled by each snake bone unit segment, and the whole snake bone can be correspondingly bent on the corresponding side; a control wire 7 comprising an endoscope signal wire passes through a third cavity formed in the inner wall of the inner condyle; the traction wire 6 and the control wire 7 are installed in an isolated mode, so that mutual winding and interference of the wire bodies are avoided, and the safety of the snake bone pipe and the endoscope is enhanced.
The above-described embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and changes can be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (9)
1. A double-layer snake bone unit joint is characterized in that the double-layer snake bone unit joint is formed by nesting an inner bone joint and an outer bone joint which are the same in length, wherein a main body of the inner bone joint is an arc rectangular pipe, a main body of the outer bone joint is a circular pipe, and the arc outer diameter of the inner bone joint is the same as the basic size of the inner diameter of the outer bone joint;
two identical support lugs with a major-arch-shaped main body and a small-section connecting structure extend from one end of the pipe wall of the double-layer snake bone unit joint on the side corresponding to the arc surface of the inner bone joint, and an arc-shaped thin-wall connecting groove with the inner diameter identical to the outer diameter of the support lug main body extends from the other end of the pipe wall of the double-layer snake bone unit joint; the direction of spread groove is perpendicular and parallel with two ears central connecting line with double-deck snake bone unit festival length direction for it is articulated with the journal stirrup of adjacent double-deck snake bone unit festival.
2. The double-layer snake bone unit joint as claimed in claim 1, wherein the double-layer snake bone unit joint is further provided with at least one positioning hole which penetrates through the inner bone joint and the outer bone joint, is perpendicular to the length direction of the double-layer snake bone unit joint and is used for riveting the inner bone joint and the outer bone joint, and the positioning hole is arranged on the side corresponding to the arc surface of the inner bone joint.
3. A double-layer snake bone unit segment according to claim 1,
the support lug main body arc is larger than 270 degrees, correspondingly, the connecting groove arc is larger than 180 degrees but smaller than the support lug main body arc; the wall thickness of the connecting groove is not less than that of the main body pipe of the double-layer snake bone unit joint; the small-section connecting structure between the support lug main body and the double-layer snake bone unit section is rectangular, and the length of the rectangle is larger than the wall thickness of the connecting groove.
4. A double-layer snake bone unit segment according to claim 1,
the double-layer snake bone unit section is a metal snake bone unit section.
5. A snake bone pipe having double-layer snake bone unit segments as claimed in any one of claims 1 to 4, comprising at least two of said double-layer snake bone unit segments hinged by said lugs and connecting slots.
6. A snake bone tube according to claim 5, further comprising an outer structure formed of a flexible material for wrapping the hinged double layer snake bone unit segments.
7. An endoscope having a snake tube according to claim 6, comprising two pull wires for connecting and controlling the snake bone unit segments; the traction wire respectively passes through a first cavity and a second cavity formed by the outer wall of the inner bone joint and the inner wall of the outer bone joint.
8. The endoscope as defined in claim 7, further comprising a control wire for transmitting the endoscope electrical signals; the control wire passes through a third cavity formed in the inner wall of the endosseous joint.
9. A method of forming a double-layer snake bone unit segment as claimed in claim 2, which comprises the steps of:
s1, respectively processing an inner bone pitch circular arc rectangular pipe and an outer bone pitch circular pipe which meet the requirements of size and shape precision;
s2, nesting and installing the inner rib section circular arc rectangular pipe and the outer rib section circular pipe into a double-layer snake bone unit section profile, drilling a positioning hole on the side surface of the double-layer snake bone unit section profile, and then installing a rivet to rivet the outer rib section and the outer rib section;
s3, cutting the riveted double-layer snake bone unit section profile into independent double-layer snake bone unit section blanks according to the length requirement;
and S4, cutting a support lug and a connecting groove on the double-layer snake bone unit section blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210688707.0A CN115191912A (en) | 2022-06-16 | 2022-06-16 | Double-layer snake bone unit section, snake bone pipe and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210688707.0A CN115191912A (en) | 2022-06-16 | 2022-06-16 | Double-layer snake bone unit section, snake bone pipe and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115191912A true CN115191912A (en) | 2022-10-18 |
Family
ID=83575722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210688707.0A Pending CN115191912A (en) | 2022-06-16 | 2022-06-16 | Double-layer snake bone unit section, snake bone pipe and endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115191912A (en) |
-
2022
- 2022-06-16 CN CN202210688707.0A patent/CN115191912A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204192566U (en) | Unit joint, snake bone pipe and the telecontrol equipment for endoscope | |
| EP2564756B1 (en) | Endoscope | |
| JP6716607B2 (en) | High-frequency ablation catheter with spiral structure and its equipment | |
| CN109288486B (en) | Multi-section bending tube device of endoscope and endoscope | |
| CN101653353A (en) | Continuous body type semi-autonomous endoscope robot | |
| WO2015115196A1 (en) | Medical wire and medical device | |
| US20100262040A1 (en) | Male connector | |
| US20090253958A1 (en) | Endoscope, connection method of bending section and flexible section in endoscope, production method of endoscope provided for this connection method, endoscope overtube, connection method of bending section and flexible section in endoscope overtube and production method of endoscope overtube provided for this connection method | |
| JP2008220443A (en) | Bending device of endoscope | |
| CN105246391A (en) | Endoscope, overtube, and endoscope system | |
| CN109310288B (en) | Endoscope with a detachable handle | |
| CN112120652A (en) | Directional bent endoscope catheter structure | |
| CN115191912A (en) | Double-layer snake bone unit section, snake bone pipe and endoscope | |
| CN113827169A (en) | Snake bone unit, snake bone assembly, insertion part, endoscope and connecting method | |
| US20100016660A1 (en) | Bending neck for transesophageal echocardiography (tee) probe | |
| CN115251805A (en) | Snake bone structure, endoscope and preparation method of snake bone structure | |
| CN214157255U (en) | Directional bent endoscope catheter | |
| CN216682187U (en) | Mechanical arm module | |
| JPH0538326A (en) | Flexible pipe | |
| CN216495210U (en) | Endoscope driven by motor to bend | |
| CN103201066B (en) | Endoscopic laser welding method and endoscopic laser welding member | |
| CN115316914A (en) | Bendable structure, flexible instrument and endoscope | |
| CN209979936U (en) | Steering-adjustable coil pipe and endoscope | |
| CN213940669U (en) | Directional bent endoscope catheter structure | |
| CN210095669U (en) | Rigidity-variable hose and combination thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |