CN113133737A - Variable rigidity device of curve cam type endoscope - Google Patents
Variable rigidity device of curve cam type endoscope Download PDFInfo
- Publication number
- CN113133737A CN113133737A CN202110573188.9A CN202110573188A CN113133737A CN 113133737 A CN113133737 A CN 113133737A CN 202110573188 A CN202110573188 A CN 202110573188A CN 113133737 A CN113133737 A CN 113133737A
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- endoscope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000003780 insertion Methods 0.000 claims abstract description 38
- 230000037431 insertion Effects 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000001072 colon Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a variable rigidity device of a curve cam type endoscope, which comprises a rigidity adjusting device and a rigidity adjusting driving device, wherein the rigidity adjusting device comprises a joint seal spring pipe which is configured at a flexible part of an endoscope insertion pipe, and the rigidity of the flexible part is adjusted by changing the rigidity of the spring pipe; the steel rope is arranged in the sealing spring tube, and two ends of the steel rope are provided with limiting devices; the rigidity adjusting driving device is a special-shaped cam mechanism and comprises a cam, an optical axis and a special-shaped handle, wherein the optical axis and the special-shaped handle are arranged in a straight groove of the inner sleeve; the cam rotates by rotating the special-shaped handle, the roller rises along the straight groove, the rotating motion is converted into the linear motion of the optical axis, the linear motion is used as a linear stroke, the variable stiffness mechanism at the front part of the endoscope is driven to act, stiffness conversion is realized, and the special-shaped cam can complete high-stiffness state maintenance through cam curve optimization.
Description
Technical Field
The invention relates to an endoscope variable stiffness device, in particular to a curve cam type endoscope variable stiffness device.
Background
Currently, medical examinations using endoscopes have been widely performed in the medical field. Specifically, an imaging element such as CMOS, CCD, etc., which is to be mounted on a head portion of an endoscope structure to be inserted into a body cavity, is located at the unit head portion and is to capture an image of the inside of the body cavity. The image is transmitted to an image acquisition card and a processor, then the image is output to a monitor at the doctor end by a data output device, the doctor diagnoses through the image output by the monitor, and under certain conditions, the doctor can treat the focus in the body cavity by the aid of the monitor, so that simple focus excision, sample acquisition and the like are realized.
The endoscope currently available can perform the above-described operation, and although the flexible portion can be easily inserted into a complicated curved path in a body cavity, the tip of the flexible portion is unstable and it is difficult to insert the unit in a predetermined direction, and in some cases, the endoscope needs to maintain the direction and shape at the time of insertion to perform some operations.
For example, when an endoscope used in a colon or the like is required to pass through a bending portion, it is necessary to perform overbending by a certain external force due to insufficient rigidity, and at the same time, since the endoscope is inserted into a duct portion of a body cavity while performing a certain knotting or suturing operation, a certain rigid support is required in the front portion of the endoscope in order to perform these operations, and thus a variable-rigidity structure is required to be added to the front portion of the endoscope to provide support. Meanwhile, when the colon endoscope is inserted, the looping problem can occur, and the looping problem can be improved by providing rigid support for the front end of the endoscope so as to avoid the pulling of the loop to the intestinal tract in the inserting process of the endoscope.
When operating with an endoscope, an operator needs to hold the endoscope operating handle with both hands, and at a colonoscope, a conventional endoscope needs to be operated by two persons, one person performs the operation of the operating handle of the endoscope, and the other person performs the work of inserting, fixing, rotating and the like of the flexible part of the endoscope. Since the endoscope generally needs to maintain its position, posture, and the like at the time of changing its rigidity and flexibility, the operator in charge of the flexible portion needs to maintain its posture, and the changing process needs to be completed by a single operator who operates the handle.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a curve cam type endoscope variable rigidity device which can be operated by a single person, can be integrated in the rigid-flexible transformation of an endoscope operation handle, realizes smaller stroke and lower torsion required by transformation and ensures the constant posture of an endoscope in the transformation process.
In order to achieve the aim, the invention designs a cam type endoscope variable stiffness device, which comprises an operation part, a motion conversion part, an endoscope variable stiffness part and a connection limiting part, wherein the operation part is connected with the operation part; the device is positioned on an endoscope operation handle, and an operator can drive a variable-rigidity structure at the front end of the endoscope to realize rigid-flexible conversion by rotating an operation part.
With this structure, the endoscope operation handle can realize the variable stiffness operation with a small stroke input by the operator.
The first aspect of the invention is an operation part, comprising a cam knob operated by an operator and a stainless steel column corresponding to the cam knob, wherein the stainless steel column is connected with a steel rope body through a steel rope traction ring, and the operator can realize that a single person inputs a twisting motion so as to better maintain the position and the posture of a flexible part during rigid-flexible conversion.
The second aspect of the invention is a motion conversion part, which comprises a cam knob, a stainless steel column, a steel rope traction ring and a spring body, wherein the cam knob and the stainless steel column are used for motion conversion, and the axial dimension of an endoscope operating handle is far larger than the radial dimension, so that the stainless steel column arranged in a straight groove of a support sleeve is driven to do vertical linear motion by inputting rotary motion through the cam knob, and the steel rope traction ring fixedly connected with the stainless steel column is driven to do vertical linear motion, one end of the steel rope body is fixedly connected with the steel rope traction ring, the linear motion of the steel rope traction ring is transmitted to the steel rope body, so that an adjusting nut and a hollow adjusting stud arranged at the front end of the steel rope body are driven to act on a variable stiffness part of the endoscope, the rigid conversion is realized, after the linear stroke is completed, the cam knob has a section of self-locking stroke, and the stainless steel column is pressed on the self-locking stroke part of the cam knob by the spring body, therefore, the variable stiffness state is kept, and the cam knob is continuously rotated to be in contact with the high stiffness state when the cam knob needs to be loosened.
The third part of the invention is a variable stiffness part of an endoscope, which is used for receiving the movement transmitted by an operator to realize rigid-flexible conversion and mainly comprises a steel rope body, an adjusting nut and a hollow adjusting stud which are fixedly connected with the front end of the steel rope body, a joint sealing spring tube, a spring tube retaining ring and the inner and outer layers of an endoscope insertion tube, wherein the steel rope body is placed in the joint sealing spring tube and is arranged on the inner layer of the insertion tube of the endoscope through the spring tube retaining ring; the integral body of the close-contact spring tube and the steel rope body is fixedly connected to the inner layer of the insertion tube of the endoscope through the spring tube retaining ring, the rigidity of the endoscope is determined by the inner layer and the outer layer of the insertion tube of the endoscope and the steel rope body before abutting, and the rigidity of the endoscope is determined by the inner layer and the outer layer of the insertion tube of the endoscope and the close-contact spring tube after abutting, so that rigid-flexible conversion is realized.
The fourth part of the invention is some connecting pieces, limiting pieces and auxiliary parts, which mainly comprises an insertion tube adapter, an insertion tube fixing sleeve, an endoscope active bending part, an endoscope front end cover, a joint seal spring tube fixing ring, a spring sleeve lower retaining seat, a knob lower retaining ring, a support sleeve, a spring limiting ring and a variable stiffness device adapter sleeve; the intubation tube adapter is used for connecting an insertion tube body part of the endoscope and a variable stiffness mechanism part, the intubation tube adapter is connected with an insertion tube fixing sleeve, a close-connection spring tube fixing ring and a variable stiffness device adapter sleeve through bolts, the insertion tube fixing sleeve is fixedly connected with an outer layer of the insertion tube, the close-connection spring tube fixing ring is fixedly connected with a close-connection spring tube, the endoscope variable stiffness and the insertion tube body part are fixedly connected with the insertion tube adapter, the insertion tube body part is fixedly connected with a variable stiffness device through a variable stiffness device adapter sleeve to form a whole, the variable stiffness device adapter sleeve is connected with a lower knob retaining ring through bolts and is also connected with a lower spring sleeve retaining seat and a lower knob retaining seat, the lower spring sleeve body part is fixedly retained through a molded surface by the spring sleeve retaining seat, and the spring body is arranged outside the spring sleeve body, the spring body is kept vertical to realize the locking function, the support sleeve is arranged on the outer side of the spring body and is matched with the spring sleeve body to keep the spring body, the spring limiting ring is connected with the support sleeve through a bolt, and the upper part of the spring body is locked; meanwhile, a straight groove is formed in the side face of the support sleeve, a stainless steel column is installed in the straight groove, the stainless steel column is guaranteed to do vertical linear motion and does not rotate, a steel rope traction ring and a steel rope body are fixedly connected to the stainless steel column, a cam knob is sleeved outside the support sleeve, the position of the lower portion of the cam knob is limited by a knob lower retaining ring, and the stainless steel column is tightly pressed on the cam knob through a spring body, so that the upper portion of the stainless steel column is fixed; according to the connection mode, the invention can form a whole.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
the joint-sealing spring tube rigidity adjusting module can be in a high rigidity state (or called rigidity state) by pulling the steel rope, and the high rigidity state can be released by rotating the cam knob, so that the joint-sealing spring tube rigidity adjusting module is changed into a low rigidity state (or called flexibility state); the rigidity of the whole part of the endoscope insertion tube part is changed by rotating the cam knob, and the rigidity conversion state is kept;
by optimizing the cam curve of the cam knob, the rotating angle can correspond to a large stroke when the rigidity change is low, the tensile force of the steel rope is increased when the rigidity is high, and the rotating angle corresponds to a small stroke at the moment, so that the steel rope can be applied with a larger tensile force by a smaller force;
the steel rope is arranged in the joint sealing spring pipe, the traction force of the steel rope is consistent with the stress direction of the joint sealing spring pipe along the axial direction of the steel rope, and the condition that the steel rope is broken due to material fatigue after the steel rope is subjected to radial force for many times is avoided; adjusting the relative distance between the tail end of the steel rope and the tail end of the spring tube by rotating an adjusting nut arranged on the hollow adjusting stud;
the design of the variable stiffness driving module is based on the existing endoscope handle structure, the variable stiffness driving module can be arranged between the tail end of the existing endoscope product and the insertion tube in a switching mode, and the variable stiffness driving module does not need to change the existing endoscope structure too much as an adding function.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 is an overall assembly view of the embodiment;
FIG. 2 is a schematic diagram of the cam knob and its stroke diagram in the embodiment.
Reference numerals: 1. an insert tube adaptor; 2. inserting the pipe fixing sleeve; 3. inserting the outer layer of the tube; 4. inserting the inner layer of the pipe; 5. tightly connecting the spring tube; 6. a spring tube retaining ring; 7. a steel rope body; 8. adjusting the nut; 9. a hollow adjusting stud; 10. an active bending section of the endoscope; 11. an endoscope front end cap; 12. tightly connecting the spring tube fixing ring; 13. a spring sleeve lower retaining seat; 14. a knob lower retaining ring; 15. a cam knob; 16. a spring sleeve body; 17. a stainless steel column; 18. a steel rope traction ring; 19. a support sleeve; 20. a spring body; 21. and a spring limiting ring.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Reference in the specification to "an embodiment" or "an implementation" may mean either one embodiment or one implementation or some instances of embodiments or implementations.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
According to an embodiment of the present invention, a variable stiffness device for a curved cam endoscope is provided.
It is to be noted that any number of elements in the figures are provided by way of example and not limitation, and any nomenclature is used for distinction only and not in any limiting sense.
A variable rigidity device of a curve cam type endoscope is disclosed, referring to fig. 1, and comprises a rigidity adjusting module and a rigidity adjusting driving module, wherein the rigidity adjusting module comprises an insertion tube body, a joint sealing spring tube 5, a spring tube fixing piece, a steel rope body 7, an adjusting nut 8 and a hollow adjusting stud 9, the insertion tube body comprises an insertion tube inner layer 4 and an insertion tube outer layer 3 which are mutually sleeved, an endoscope front end cover 11 is arranged at the bottom end of the insertion tube outer layer 3, and an endoscope active bending part 10 is arranged between the endoscope front end cover 11 and the bottom end of the insertion tube inner layer 4 in the insertion tube outer layer 3.
The close-contact spring tube 5 is arranged in the insertion tube body, namely in the inner layer 4 of the insertion tube, the top end of the close-contact spring tube 5 is fixedly connected with a spring tube fixing piece in a welding mode and the like, and the spring tube fixing piece is provided with a threaded hole to fix the close-contact spring tube on an endoscope handle; the tight-joint spring tube 5 penetrates through the spring tube retaining ring 6, the spring tube retaining ring 6 is arranged at the lower position of the tight-joint spring tube 5, the spring tube retaining ring 6 is fixedly connected with the inner wall of the inner layer 4 of the insertion tube, and the spring tube retaining ring 6 is mainly arranged for preventing the bottom end of the tight-joint spring tube 5 from freely swinging in the insertion tube and ensuring that the tight-joint spring tube 5 is kept attached to the body of the insertion tube.
The steel rope body 7 is arranged in the joint sealing spring tube 5 in a penetrating mode, in the embodiment, two ends of the steel rope body 7 penetrate through the upper end and the lower end of the joint sealing spring tube 5, the upper end and the lower end of the steel rope body 7 penetrate through the top end of the spring tube fixing piece and the bottom end of the joint sealing spring tube 5 respectively, the bottom end of the steel rope body 7 sequentially penetrates through the adjusting nut 8 and the hollow adjusting stud 9 and is fixedly welded with the hollow adjusting stud 9, the adjusting nut 8 is arranged in a hollow mode and is internally provided with internal threads, and the hollow adjusting stud 9 is in threaded connection with the bottom end of the adjusting nut 8 and is used for adjusting the relative residual length of the bottom end of the steel rope body 7 and the tail end of the joint sealing spring tube 5.
The rigidity adjusting driving module comprises an insert tube adapter 1, an insert tube fixing sleeve 2, a rigidity changing device adapter sleeve, a supporting sleeve 19 and a cam knob 15, the top end of the insert tube adapter 1 is sleeved on the outer wall of the bottom end of the supporting sleeve 19, the insert tube fixing sleeve 2 is sleeved at the inner position of the bottom end of the insert tube adapter 1, the top end of an insert tube body is connected with the inner portion of the bottom end of the insert tube fixing sleeve 2, the rigidity changing device adapter sleeve is located inside the supporting sleeve and located above the insert tube adapter 1, a spring sleeve lower retaining seat 13 is sleeved on the outer side of the rigidity changing device adapter sleeve, and a spring sleeve body 16 located in the supporting sleeve 19 is installed at the top end of the spring sleeve lower retaining seat 13 through a molded surface.
Referring to fig. 2, by optimizing the curve of the cam knob 15, the front section unit with smaller tension requirement in the early stage rotates to complete larger linear motion, and the rear section unit with larger tension requirement in the later stage rotates to complete smaller linear motion, so that the variable-stiffness driving device can be operated with smaller force.
Because the rising distance of the curve rear section unit rotation angle of the cam surface of the cam knob 15 is gentle, self-locking can be realized at any twisting position, namely the pulling force generated by the steel rope body 7 can not pull the cam knob 15 to rotate reversely, thereby realizing the holding of the tightly-connected spring tube 5 in any shape.
A knob lower retaining ring 14 is sleeved outside the spring sleeve lower retaining seat 13, a straight groove is formed in the positions of the spring sleeve and the supporting sleeve 19 above the cam knob 15, a stainless steel column 17 which is located in the straight groove and slides up and down is arranged above the variable stiffness device adapter sleeve, a steel rope traction ring 18 connected with the top end of the steel rope body 7 is installed above the stainless steel column 17, a spring body 20 is sleeved between the upper portion of the spring sleeve body 16 and the supporting sleeve 19, and a spring limiting ring 21 is installed on the upper portion of the supporting sleeve 19.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (5)
1. A curve cam type endoscope variable rigidity device is characterized by comprising a rigidity adjusting module and a rigidity adjusting driving module, wherein the rigidity adjusting module comprises an insertion tube body, a joint sealing spring tube, a spring tube fixing piece, a steel rope body, an adjusting nut and a hollow adjusting stud;
the rigidity adjusting driving module comprises an insert tube adaptor, an insert tube fixing sleeve, a rigidity changing device adaptor sleeve, a support sleeve and a cam knob, the top end of the insert tube adaptor is sleeved on the outer wall of the bottom end of the support sleeve, the insert tube fixing sleeve is sleeved at the inner position of the bottom end of the insert tube adaptor, the top end of the insert tube body is connected with the inner part of the bottom end of the insert tube fixing sleeve, the rigidity changing device adaptor sleeve is positioned in the support sleeve and above the insert tube adaptor, a spring sleeve lower retaining seat is sleeved on the outer side of the rigidity changing device adaptor sleeve, a spring sleeve body positioned in the support sleeve is installed at the top end of the spring sleeve lower retaining seat through a molded surface, the cam knob is rotatably arranged on the support sleeve and is positioned right above the spring sleeve lower retaining seat, a cam surface arranged in a curve is arranged above the cam knob, and a knob lower retaining ring is sleeved on the outer side of the spring sleeve lower retaining seat, the spring sleeve and the support sleeve are provided with straight grooves upwards at positions right above the cam knob, a stainless steel column which slides up and down in the straight grooves is arranged above the variable stiffness device switching sleeve, a steel rope traction ring connected with the top end of a steel rope body is arranged above the stainless steel column, the spring body is sleeved on the upper portion of the spring sleeve body between the upper portion of the spring sleeve body and the support sleeve, and a spring limiting ring is arranged on the upper portion of the support sleeve.
2. The variable stiffness device of a curved cam endoscope according to claim 1, wherein the cam surface of the cam knob is symmetrically arranged on both sides of the stainless steel column, the front section of the cam surface is arranged to be steeper, and the rear section of the cam surface is arranged to be gentler.
3. The variable stiffness device of a curve cam endoscope according to claim 1, wherein the insertion tube body comprises an insertion tube inner layer and an insertion tube outer layer which are sleeved with each other, the bottom end of the insertion tube outer layer is provided with an endoscope front end cover, and the inside of the insertion tube outer layer is provided with an endoscope active bending part between the endoscope front end cover and the bottom end of the insertion tube inner layer.
4. The variable stiffness device of a curve cam endoscope according to claim 1, wherein a spring tube holding ring for restricting the bottom end of the tight spring tube from shaking is sleeved at a lower position of the tight spring tube, and the spring holding ring is welded and fixed to the inner wall of the insertion tube body.
5. The variable stiffness device of a curved cam endoscope according to claim 1, wherein irregular protrusions are uniformly distributed on the outer ring of the cam knob along the circumferential direction for increasing the rotational friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573188.9A CN113133737A (en) | 2021-05-25 | 2021-05-25 | Variable rigidity device of curve cam type endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573188.9A CN113133737A (en) | 2021-05-25 | 2021-05-25 | Variable rigidity device of curve cam type endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113133737A true CN113133737A (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110573188.9A Pending CN113133737A (en) | 2021-05-25 | 2021-05-25 | Variable rigidity device of curve cam type endoscope |
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| Country | Link |
|---|---|
| CN (1) | CN113133737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938937A (en) * | 2022-05-18 | 2022-08-26 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1099264A (en) * | 1996-09-27 | 1998-04-21 | Olympus Optical Co Ltd | Endoscope |
| JPH11178785A (en) * | 1997-12-18 | 1999-07-06 | Olympus Optical Co Ltd | Endoscope |
| JP2002330925A (en) * | 2001-05-08 | 2002-11-19 | Asahi Optical Co Ltd | Flexibility varying device for endoscope |
| JP2003260021A (en) * | 2003-02-21 | 2003-09-16 | Olympus Optical Co Ltd | Endoscope equipment |
| CN202283247U (en) * | 2010-10-08 | 2012-06-27 | 富士胶片株式会社 | Endoscope and hardness adjusting device |
| CN207008183U (en) * | 2017-07-18 | 2018-02-13 | 深圳市微视光电科技有限公司 | A kind of industrial endoscope control stick damping adjustment device |
| CN109330552A (en) * | 2018-11-07 | 2019-02-15 | 杭州先奥科技有限公司 | A kind of disposable gastroscope that can partially reuse |
| US20200297188A1 (en) * | 2019-03-20 | 2020-09-24 | Fujifilm Corporation | Endoscope |
| CN214761000U (en) * | 2021-05-25 | 2021-11-19 | 杭州先奥科技有限公司 | Variable rigidity device of curve cam type endoscope |
-
2021
- 2021-05-25 CN CN202110573188.9A patent/CN113133737A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1099264A (en) * | 1996-09-27 | 1998-04-21 | Olympus Optical Co Ltd | Endoscope |
| JPH11178785A (en) * | 1997-12-18 | 1999-07-06 | Olympus Optical Co Ltd | Endoscope |
| JP2002330925A (en) * | 2001-05-08 | 2002-11-19 | Asahi Optical Co Ltd | Flexibility varying device for endoscope |
| JP2003260021A (en) * | 2003-02-21 | 2003-09-16 | Olympus Optical Co Ltd | Endoscope equipment |
| CN202283247U (en) * | 2010-10-08 | 2012-06-27 | 富士胶片株式会社 | Endoscope and hardness adjusting device |
| CN207008183U (en) * | 2017-07-18 | 2018-02-13 | 深圳市微视光电科技有限公司 | A kind of industrial endoscope control stick damping adjustment device |
| CN109330552A (en) * | 2018-11-07 | 2019-02-15 | 杭州先奥科技有限公司 | A kind of disposable gastroscope that can partially reuse |
| US20200297188A1 (en) * | 2019-03-20 | 2020-09-24 | Fujifilm Corporation | Endoscope |
| CN214761000U (en) * | 2021-05-25 | 2021-11-19 | 杭州先奥科技有限公司 | Variable rigidity device of curve cam type endoscope |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938937A (en) * | 2022-05-18 | 2022-08-26 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
| CN114938937B (en) * | 2022-05-18 | 2024-03-08 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
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