CN108096679A - A kind of interposing catheter of multistage controlled deflection - Google Patents
A kind of interposing catheter of multistage controlled deflection Download PDFInfo
- Publication number
- CN108096679A CN108096679A CN201810138224.7A CN201810138224A CN108096679A CN 108096679 A CN108096679 A CN 108096679A CN 201810138224 A CN201810138224 A CN 201810138224A CN 108096679 A CN108096679 A CN 108096679A
- Authority
- CN
- China
- Prior art keywords
- outer tube
- tube
- flexible inner
- inner tube
- interposing catheter
- 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
- 238000009434 installation Methods 0.000 claims description 5
- 210000004204 blood vessel Anatomy 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002672 stereotactic surgery Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M25/0075—Valve means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0039—Multi-lumen catheters with stationary elements characterized by lumina being arranged coaxially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/12—Blood circulatory system
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of interposing catheters of multistage controlled deflection,Including outer tube,The outer tube is internally provided with flexible inner tube,The flexible inner tube is equipped with no less than two fixed plates,The upper and lower ends of the fixed plate are equipped with connector,The upper and lower ends of the outer tube are equipped with the mounting groove equal with fixed plate quantity,The left and right ends of the fixed plate are equipped with electromagnet,Upper and lower ends between two adjacent fixed plates are equipped with flexible rod,The left side of the outer tube is equipped with work head,The work head is equipped with miniature webcam,The right side of the outer tube is equipped with connecting tube,The configuration of the present invention is simple,It is easy to use,On the premise of ensureing that interposing catheter bending is controllable,Can shooting monitoring be carried out to the image information in blood vessel in use,Medical worker is facilitated to carry out surgical work,The gas entered in interposing catheter can timely be discharged,Gas intravasation is avoided to damage patient.
Description
Technical field
The present invention relates to the field of medical instrument technology, are specially a kind of interposing catheter of multistage controlled deflection.
Background technology
At present, it clinically can carry out a variety of operations using Medical Robot, mainly have laparoscopic surgery and outside nerve
The stereotactic surgery in section field, and intervene the research applied in operation in the blood vessels to Medical Robot and just start, it can
The research and development that one of research and development key of curved interposing catheter is controllable joint are controlled, it is special such as application publication number 201220168834.X
Profit discloses a kind of interposing catheter of multistage controlled deflection, but function is excessively single in use for Yi Shang patent.
For this purpose, we provide a kind of interposing catheter of multistage controlled deflection.
The content of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of intervention of multistage controlled deflection and leads
Pipe, can carry out shooting monitoring to the image information in blood vessel in use, and medical worker is facilitated to carry out surgical work,
The gas entered in interposing catheter can timely be discharged, can effectively be solved the problems, such as in background technology.
To achieve the above object, the present invention provides following technical solution：A kind of interposing catheter of multistage controlled deflection, including
Outer tube, the outer tube are internally provided with flexible inner tube, and the flexible inner tube is equipped with no less than two fixed plates, the fixed plate
Upper and lower ends be equipped with connector, the upper and lower ends of the outer tube are equipped with the mounting groove equal with fixed plate quantity, described
The left and right ends of fixed plate are equipped with electromagnet, and the upper and lower ends between adjacent two fixed plates are equipped with flexible rod, described
The left side of outer tube is equipped with work head, and the work head is equipped with miniature webcam, and the right side of the outer tube is equipped with connecting tube, described
The upper end of connecting tube is equipped with branch pipe, and valve is equipped in the branch pipe, and the left side of the connecting tube is equipped with groove two, the groove
Internal thread two is equipped in two, the right side of the connecting tube is equipped with groove one, and the groove one is internally provided with internal thread one.
As a preferred technical solution of the present invention, the fixed plate is equidistantly distributed in flexible inner tube, the elasticity
The diameter of inner tube is less than the diameter of outer tube.
As a preferred technical solution of the present invention, the connectors of upper and lower ends respectively with the mounting groove of upper and lower ends one
One corresponds to, the connector and mounting groove cooperation installation.
As a preferred technical solution of the present invention, the diameter of the flexible rod is less than outer tubing radius and flexible inner tube half
The difference in footpath, the flexible rod and electromagnet are in 90 degree of angles.
As a preferred technical solution of the present invention, the right side of the flexible inner tube is equipped with and internal thread two is corresponding
External screw thread, the connecting tube and flexible inner tube are connected by internal thread two with external screw thread.
Compared with prior art, the beneficial effects of the invention are as follows：It is simple in structure, easy to use, ensureing that interposing catheter is curved
On the premise of song is controllable, can shooting monitoring be carried out to the image information in blood vessel in use, facilitate medical worker
Surgical work is carried out, the gas entered in interposing catheter can timely be discharged, avoid gas intravasation to patient
It damages.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side structure schematic diagram of the present invention；
Fig. 3 is enlarged structure schematic diagram at A of the present invention；
Fig. 4 is enlarged structure schematic diagram at B of the present invention.
In figure：1 outer tube, 2 work heads, 3 miniature webcams, 4 connecting tubes, 5 branch pipes, 6 valves, 7 flexible inner tubes, 8 grooves one,
9 internal threads one, 10 fixed plates, 11 connectors, 12 flexible rods, 13 electromagnet, 14 grooves two, 15 internal threads two, 16 external screw threads.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of interposing catheter of multistage controlled deflection, including outer
Pipe 1, outer tube 1 are internally provided with flexible inner tube 7, and flexible inner tube 7 is equipped with no less than two fixed plates 10, and fixed plate 10 is in elasticity
Inner tube 7 equidistantly distributes, and the diameter of flexible inner tube 7 is less than the diameter of outer tube 1, and the upper and lower ends of fixed plate 10 are equipped with connector
11, the upper and lower ends of outer tube 1 are equipped with the mounting groove equal with 10 quantity of fixed plate, the connectors 11 of upper and lower ends respectively with it is upper
The mounting groove at lower both ends corresponds, and connector 11 and mounting groove cooperation installation, the left and right ends of fixed plate 10 are equipped with electromagnetism
Iron 13, the upper and lower ends between adjacent two fixed plates 10 are equipped with flexible rod 12, and the diameter of flexible rod 12 is less than outer tube 1 half
The difference of 7 radius of footpath and flexible inner tube, flexible rod 12 and electromagnet 13 are in 90 degree of angles, pass through the work of regulating magnet 13
Controllable with the use of the bending for realizing interposing catheter with flexible rod 12, the left side of outer tube 1 is equipped with work first 2, is set in work first 2
There is miniature webcam 3, miniature webcam 3 is collected the image information in blood vessel, and the right side of outer tube 1 is equipped with connecting tube 4, even
The upper end of take over 4 is equipped with branch pipe 5, and valve 6 is equipped in branch pipe 5, and valve 6 is convenient for the discharge of gas in conduit, a left side for connecting tube 4
Side is equipped with groove 2 14, internal thread 2 15 is equipped in groove 2 14, the right side of flexible inner tube 7 is equipped with and internal thread 2 15 is corresponding
External screw thread 16, connecting tube 4 is connected with flexible inner tube 7 by internal thread 2 15 with external screw thread 16, internal thread 2 15 and outer spiral shell
For line 16 with the use of the connection for realizing flexible inner tube 7 and connecting tube 4, the right side of connecting tube 4 is equipped with groove 1, groove 1 it is interior
Portion is equipped with internal thread 1, and internal thread 1 realizes the installation of interposing catheter.
When in use：Miniature webcam 3 is collected the image information in blood vessel, and valve 6 is convenient for gas in conduit
Discharge passes through the work of regulating magnet 13 and controllable, the internal thread with the use of the bending for realizing interposing catheter of flexible rod 12
One 9 realize the installation of interposing catheter, internal thread 2 15 and external screw thread 16 with the use of the company for realizing flexible inner tube 7 and connecting tube 4
It connects.
The present invention can carry out shooting monitoring to the image information in blood vessel in use, facilitate medical worker into
Row surgical work can timely discharge the gas entered in interposing catheter.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of interposing catheter of multistage controlled deflection, including outer tube (1), it is characterised in that：Outer tube (1) is internally provided with
Flexible inner tube (7), the flexible inner tube (7) are equipped with no less than two fixed plates (10), and up and down the two of the fixed plate (10)
End is equipped with connector (11), and the upper and lower ends of the outer tube (1) are equipped with the mounting groove equal with fixed plate (10) quantity, institute
The left and right ends for stating fixed plate (10) are equipped with electromagnet (13), and the upper and lower ends between adjacent two fixed plates (10) are all provided with
Flexible stick (12), the left side of the outer tube (1) are equipped with work head (2), and the work head (2) is equipped with miniature webcam (3),
The right side of the outer tube (1) is equipped with connecting tube (4), and the upper end of the connecting tube (4) is equipped with branch pipe (5), in the branch pipe (5) on
Equipped with valve (6), the left side of the connecting tube (4) is equipped with groove two (14), and internal thread two is equipped in the groove two (14)
(15), the right side of the connecting tube (4) is equipped with groove one (8), and the groove one (8) is internally provided with internal thread one (9).
2. a kind of interposing catheter of multistage controlled deflection according to claim 1, it is characterised in that：The fixed plate (10)
It is equidistantly distributed in flexible inner tube (7), the diameter of the flexible inner tube (7) is less than the diameter of outer tube (1).
3. a kind of interposing catheter of multistage controlled deflection according to claim 1, it is characterised in that：The connection of upper and lower ends
Body (11) corresponds respectively with the mounting groove of upper and lower ends, the connector (11) and mounting groove cooperation installation.
4. a kind of interposing catheter of multistage controlled deflection according to claim 1, it is characterised in that：The flexible rod (12)
Diameter be less than the difference of outer tube (1) radius and flexible inner tube (7) radius, the flexible rod (12) and electromagnet (13) are in 90
Spend angle.
5. a kind of interposing catheter of multistage controlled deflection according to claim 1, it is characterised in that：The flexible inner tube
(7) right side is equipped with and the corresponding external screw thread of internal thread two (15) (16), and the connecting tube (4) and flexible inner tube (7) pass through
Internal thread two (15) is connected with external screw thread (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138224.7A CN108096679A (en) | 2018-02-10 | 2018-02-10 | A kind of interposing catheter of multistage controlled deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138224.7A CN108096679A (en) | 2018-02-10 | 2018-02-10 | A kind of interposing catheter of multistage controlled deflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108096679A true CN108096679A (en) | 2018-06-01 |
Family
ID=62205605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810138224.7A Pending CN108096679A (en) | 2018-02-10 | 2018-02-10 | A kind of interposing catheter of multistage controlled deflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108096679A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354365A (en) * | 2019-07-10 | 2019-10-22 | 郑州大学第一附属医院 | Intubation intervention device in cardiovascular interventional operation |
| CN114099916A (en) * | 2021-11-16 | 2022-03-01 | 环心医疗科技(苏州)有限公司 | Micro-catheter |
| CN114748767A (en) * | 2022-03-25 | 2022-07-15 | 玮铭医疗器械(上海)有限公司 | Electromagnetic bending adjusting balloon catheter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372260A (en) * | 2012-04-19 | 2013-10-30 | 上海凯旦医疗科技有限公司 | Multi-segment controllable-bending interventional catheter |
| US20140288568A1 (en) * | 2002-09-12 | 2014-09-25 | Intuitive Surgical Operations, Inc. | Shape-transferring cannula system and method of use |
| CN204582243U (en) * | 2015-03-25 | 2015-08-26 | 南通市第二人民医院 | A kind of telescopic stomach tube |
| CN204708807U (en) * | 2015-04-29 | 2015-10-21 | 申亚琪 | The endoscope of controlled deflection |
| CN105209102A (en) * | 2013-03-15 | 2015-12-30 | 波士顿科学国际有限公司 | Pressure sensing guidewire |
| CN105641759A (en) * | 2016-04-07 | 2016-06-08 | 常州达尔文医疗器械科技有限公司 | Magnetic peritoneal drainage tube device |
| CN107261297A (en) * | 2017-08-01 | 2017-10-20 | 郑州大学第附属医院 | The interposing catheter of multistage controlled deflection |
| US20180028782A1 (en) * | 2016-07-26 | 2018-02-01 | National Cheng Kung University | Method for controlling magnetic catheter by using magnetic-field-generated magnetic annulus |
-
2018
- 2018-02-10 CN CN201810138224.7A patent/CN108096679A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140288568A1 (en) * | 2002-09-12 | 2014-09-25 | Intuitive Surgical Operations, Inc. | Shape-transferring cannula system and method of use |
| CN103372260A (en) * | 2012-04-19 | 2013-10-30 | 上海凯旦医疗科技有限公司 | Multi-segment controllable-bending interventional catheter |
| CN105209102A (en) * | 2013-03-15 | 2015-12-30 | 波士顿科学国际有限公司 | Pressure sensing guidewire |
| CN204582243U (en) * | 2015-03-25 | 2015-08-26 | 南通市第二人民医院 | A kind of telescopic stomach tube |
| CN204708807U (en) * | 2015-04-29 | 2015-10-21 | 申亚琪 | The endoscope of controlled deflection |
| CN105641759A (en) * | 2016-04-07 | 2016-06-08 | 常州达尔文医疗器械科技有限公司 | Magnetic peritoneal drainage tube device |
| US20180028782A1 (en) * | 2016-07-26 | 2018-02-01 | National Cheng Kung University | Method for controlling magnetic catheter by using magnetic-field-generated magnetic annulus |
| CN107261297A (en) * | 2017-08-01 | 2017-10-20 | 郑州大学第附属医院 | The interposing catheter of multistage controlled deflection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354365A (en) * | 2019-07-10 | 2019-10-22 | 郑州大学第一附属医院 | Intubation intervention device in cardiovascular interventional operation |
| CN114099916A (en) * | 2021-11-16 | 2022-03-01 | 环心医疗科技(苏州)有限公司 | Micro-catheter |
| CN114099916B (en) * | 2021-11-16 | 2024-05-03 | 环心医疗科技(苏州)有限公司 | Microcatheter |
| CN114748767A (en) * | 2022-03-25 | 2022-07-15 | 玮铭医疗器械(上海)有限公司 | Electromagnetic bending adjusting balloon catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108096679A (en) | A kind of interposing catheter of multistage controlled deflection | |
| CN209137700U (en) | The foley's tube of double lung superior lobar branch bronchoalveolar lavages | |
| CN105286775A (en) | Flexible transforaminal endoscope provided with telescopic sheath | |
| CN201899524U (en) | Conveying device | |
| CN107981829A (en) | Disposable outpatient service hysteroscope | |
| CN205019021U (en) | Flexible type intervertebral foramen mirror with concertina type epitheca | |
| WO2024114379A1 (en) | Visual ureter stent pull-out device | |
| WO2021175094A1 (en) | Catheter and endoscopic device | |
| CN101972169A (en) | Ureteroscope with semi-annular ureteroscope body capable of adjusting camber at front end | |
| CN209252973U (en) | A kind of laparoscopic surgery internal organs push-pull device at fixed | |
| CN209187867U (en) | A kind of ladder reducer pipe foley's tube | |
| CN212261514U (en) | Novel flushing system for transurethral ureteroscope laser lithotripsy | |
| CN209285458U (en) | A kind of department of anesthesia's fiberoptic bronchoscopy Novel threaded pipe bend connector | |
| CN208049154U (en) | A kind of disposable anesthesia respiration pipeline | |
| CN208823060U (en) | A kind of novel guiding catheter for aorta petal across valve | |
| CN107007924A (en) | A kind of hystero-salpingography tube | |
| CN216570065U (en) | Electric signal transmission connecting piece of handle of disposable medical endoscope stapler | |
| CN211962621U (en) | Nasal gastrointestinal tube based on multi-head conversion | |
| CN215838955U (en) | Screwed pipe suitable for bronchofiberscope | |
| CN215309384U (en) | Portable tracheal catheter | |
| CN204520897U (en) | A kind of renal fibroblast sheath | |
| CN218979942U (en) | Drainage device to different operation positions | |
| CN219941506U (en) | Visual curvature adjustable trachea cannula guiding device | |
| CN206138467U (en) | Connecting device and drainage tube | |
| CN219208639U (en) | Oxygen tube fixing device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |