CN113440715A - Advancing and retreating synchronizer for catheter injection - Google Patents
Advancing and retreating synchronizer for catheter injection Download PDFInfo
- Publication number
- CN113440715A CN113440715A CN202110784533.3A CN202110784533A CN113440715A CN 113440715 A CN113440715 A CN 113440715A CN 202110784533 A CN202110784533 A CN 202110784533A CN 113440715 A CN113440715 A CN 113440715A
- Authority
- CN
- China
- Prior art keywords
- rack
- catheter
- retreating
- guide pipe
- driving
- 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.)
- Withdrawn
Links
Images
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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
-
- 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
- A61M25/0116—Steering means as part of the catheter or advancing means; Markers for positioning self-propelled, e.g. autonomous robots
-
- 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
- A61M2025/0177—Introducing, guiding, advancing, emplacing or holding catheters having external means for receiving guide wires, wires or stiffening members, e.g. loops, clamps or lateral tubes
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)
- Robotics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a catheter injection advance and retreat synchronizer which comprises a rack, wherein at least one group of driving mechanisms for driving a catheter to advance and retreat is arranged in the rack, each driving mechanism comprises two circular rotating pieces which are used for clamping the catheter and can rotate relatively, and a power mechanism for driving the rotating pieces to rotate is further arranged in the rack. The driving mechanism is used for clamping the guide pipe, the driving mechanism rotates to drive the guide pipe to advance and retreat at a constant speed, and the push rod synchronously moving with the guide pipe is used for pushing the injector to inject glue synchronously, so that the guide pipe is advanced and retreated at a constant speed, and the uniform glue injection is ensured when the guide pipe is withdrawn.
Description
Technical Field
The invention relates to a synchronizer for forward and backward movement of catheter injection, belonging to the technical field of medical equipment.
Background
In many procedures, intubation of a patient is required, and a constant speed is usually required during insertion and removal of a catheter. The existing mode of inserting and pulling the catheter is usually a manual operation mode, so that the real uniform movement of the catheter is difficult to ensure, and the operation is influenced to a certain degree.
In the blood vessel adhesion operation, the catheter is required to be plugged and pulled out at a constant speed, and the catheter is required to be uniformly injected with glue while being pulled out, so that the optimal operation effect can be ensured, but the existing equipment cannot ensure that the catheter is uniformly withdrawn and the glue is uniformly injected while the catheter is withdrawn.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a catheter injection advance and retreat synchronizer, which clamps a catheter through a driving mechanism, drives the catheter to advance and retreat at a constant speed by using the rotation of the driving mechanism, and simultaneously pushes an injector to inject glue synchronously by using a push rod which moves synchronously with the catheter, so that the catheter advances and retreats at a constant speed, and the uniform glue injection is ensured when the catheter retreats.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a pipe injection advance and retreat synchronizer, includes the frame, be provided with at least a set of actuating mechanism that is used for driving the pipe advance and retreat in the frame, actuating mechanism includes two circular rotation pieces that are used for the centre gripping the pipe, can rotate relatively, still be provided with in the frame and be used for driving a pivoted power unit rotates.
The catheter injection advancing and retreating synchronizer is characterized in that: the circular rotating piece is provided with a groove along the circumference of the circular rotating piece, and a rubber ring is arranged in the groove.
The catheter injection advancing and retreating synchronizer is characterized in that: the circular rotating part is a gear, and the driving mechanism comprises two gears which are meshed with each other and are arranged up and down.
The catheter injection advancing and retreating synchronizer is characterized in that: two groups of driving mechanisms are arranged in the rack, a power gear meshed with the gears below the two groups of driving mechanisms is arranged between the gears, and the power gear is driven by the power mechanism.
The catheter injection advancing and retreating synchronizer is characterized in that: the rack is provided with a clamping groove for clamping an injector connected with the guide pipe, and the rack at the rear end of the injector is provided with a push rod capable of moving relative to the rack.
The catheter injection advancing and retreating synchronizer is characterized in that: the rack is also provided with a turbine which is interlocked with the power gear, and the push rod is provided with a worm which is matched with the turbine for use.
The catheter injection advancing and retreating synchronizer is characterized in that: the groove is a V-shaped groove.
The invention has the beneficial effects that:
1. the guide pipe is driven to advance and retreat by two groups of meshed gear sets, meanwhile, a V-shaped groove is formed in the surface of each gear, a rubber ring is arranged in the V-shaped groove, and the guide pipe is prevented from generating extrusion deformation force when passing between the two gears through the elasticity of the rubber ring, so that the guide pipe is prevented from generating any deformation in the advancing and retreating process, and the smooth operation is ensured;
2. the push rod which moves synchronously with the guide pipe is used for pushing the injector to inject glue synchronously, so that the guide pipe advances and retreats at a constant speed, and the uniform glue injection is ensured when the guide pipe retreats, and the operation effect is ensured.
Drawings
FIG. 1 is a front view of a catheter injection advancing and retracting synchronizer of the present invention;
FIG. 2 is a cross-sectional view of a catheter injection advancing and retracting synchronizer of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, a catheter injection advancing and retreating synchronizer comprises a frame 1, wherein at least one group of driving mechanisms for driving a catheter 2 to advance and retreat is arranged in the frame 1, each driving mechanism comprises two circular rotating pieces 3 which are used for clamping the catheter 2 and can rotate relatively, and a power mechanism for driving the rotating pieces 3 to rotate is further arranged in the frame 1.
The circular rotating piece 3 is provided with a groove along the circumference thereof, and a rubber ring is arranged in the groove. In this embodiment, the circular rotating member 3 is a gear, and the driving mechanism includes two gears that are engaged with each other and are disposed up and down. By passing the conduit 2 between the grooves of the two gears, the friction force generated by the rubber ring to the conduit 2 is utilized to drive the conduit to move during the rotation of the gears. Meanwhile, the gear and the guide pipe are not in contact with each other, the guide pipe is prevented from being abraded by rotation of the gear, the guide pipe is prevented from being extruded and deformed by the aid of elasticity of the rubber ring when passing between the two gears, and the guide pipe is prevented from being deformed during advancing and retreating, so that smooth operation is guaranteed.
In this embodiment, the recess is V type groove, makes whole device can be applicable to the pipe in different apertures in the use within a certain limit, the commonality of the equipment that increases.
Meanwhile, the circular rotating member 3 in this embodiment may also be a transmission component such as a synchronous pulley, and the like, and the effects required by this embodiment can be achieved as well.
The catheter advancing and retreating device is characterized in that two groups of driving mechanisms are arranged in the rack 1, power gears 4 meshed with the driving mechanisms are arranged between the gears below the two groups of driving mechanisms, the power gears 4 are driven by the power mechanisms, and the power mechanisms simultaneously drive the two groups of gear sets to rotate, so that the advancing and retreating stability of the catheter is guaranteed.
A clamping groove for clamping a syringe 6 connected with the guide pipe 2 is arranged on the frame 1, and a push rod 8 which can move relative to the frame 1 is arranged on the frame 1 at the rear end of the syringe 6. In this embodiment, the rack 1 is further provided with a worm wheel 7 linked with the power gear 4, and the push rod 8 is provided with a worm matched with the worm wheel 7.
The power mechanism drives the power gear 4 and the turbine 7 to synchronously rotate, so that the synchronous advance and retreat of the guide pipe 2 and the push rod 8 are ensured, the uniform pipe withdrawal of the re-guide pipe is realized, and the synchronous and uniform glue injection of the injector is realized.
The matched turbine in the embodiment can also be replaced by an umbrella gear, and the transmission ratio can be adjusted by selecting different umbrella gears, so that the glue injection amount can be adjusted.
In summary, the synchronizer for advancing and retreating the catheter injection provided by the invention clamps the catheter through the driving mechanism, drives the catheter to advance and retreat at a constant speed by using the rotation of the driving mechanism, and simultaneously pushes the injector to perform synchronous glue injection by using the push rod which moves synchronously with the catheter, so that the uniform advancing and retreating of the catheter are realized, and the uniform glue injection is ensured when the catheter retreats.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A catheter injection advancing and retracting synchronizer, comprising: the guide pipe driving mechanism comprises a rack (1), wherein at least one group of driving mechanisms used for driving a guide pipe (2) to advance and retreat is arranged in the rack (1), each driving mechanism comprises two circular rotating pieces (3) which are used for clamping the guide pipe (2) and can rotate relatively, and a power mechanism used for driving the rotating pieces (3) to rotate is further arranged in the rack (1).
2. The catheter injection advancing-retreating synchronizer according to claim 1, characterized in that: the circular rotating piece (3) is provided with a groove along the circumference thereof, and a rubber ring is arranged in the groove.
3. A catheter injection advancing-retreating synchronizer according to claim 1 or 2, characterized in that: the circular rotating part (3) is a gear, and the driving mechanism comprises two gears which are meshed with each other and are arranged up and down.
4. The catheter injection advancing-retreating synchronizer according to claim 3, characterized in that: two groups of driving mechanisms are arranged in the rack (1), a power gear (4) meshed with the driving mechanisms is arranged between gears below the two groups of driving mechanisms, and the power gear (4) is driven by the power mechanisms.
5. The catheter injection advancing-retreating synchronizer according to claim 3, characterized in that: the device is characterized in that a clamping groove for clamping an injector (6) connected with the guide pipe (2) is formed in the rack (1), and a push rod (8) capable of moving relative to the rack (1) is arranged on the rack (1) at the rear end of the injector (6).
6. The catheter injection advancing-retreating synchronizer according to claim 5, wherein: the rack (1) is further provided with a turbine (7) which is interlocked with the power gear (4), and the push rod (8) is provided with a worm which is matched with the turbine (7) for use.
7. The catheter injection advancing-retreating synchronizer according to claim 4, wherein: the groove is a V-shaped groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110784533.3A CN113440715A (en) | 2021-07-12 | 2021-07-12 | Advancing and retreating synchronizer for catheter injection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110784533.3A CN113440715A (en) | 2021-07-12 | 2021-07-12 | Advancing and retreating synchronizer for catheter injection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113440715A true CN113440715A (en) | 2021-09-28 |
Family
ID=77815887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110784533.3A Withdrawn CN113440715A (en) | 2021-07-12 | 2021-07-12 | Advancing and retreating synchronizer for catheter injection |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113440715A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115154845A (en) * | 2022-06-13 | 2022-10-11 | 珠海横乐医学科技有限公司 | Catheter control device |
-
2021
- 2021-07-12 CN CN202110784533.3A patent/CN113440715A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115154845A (en) * | 2022-06-13 | 2022-10-11 | 珠海横乐医学科技有限公司 | Catheter control device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102283728B (en) | Lumen bracket conveying system | |
CN113440715A (en) | Advancing and retreating synchronizer for catheter injection | |
IL171633A (en) | Support device in a syringe pump for slidably bearing the free end of the lead screw in a tube | |
CN106691865A (en) | Spiral negative pressure extraction booster | |
CN113598952A (en) | Catheter conveying device, interventional operation robot and catheter driving method | |
CN113598951B (en) | Catheter driving mechanism, blood vessel interventional robot and catheter driving method | |
CN107929868B (en) | Push device for tube sealing liquid injector | |
CN215307079U (en) | Transmission device of support imbedding device | |
CN116570378B (en) | Slave end operating device for vascular intervention operation | |
CN113197713A (en) | Support segmentation conveyor | |
CN212331723U (en) | Segmented core-pulling mechanism | |
CN220046150U (en) | Periodontal medicine feeding structure | |
CN215384480U (en) | Transurethral bladder micro-puncture needle | |
CN211834511U (en) | Minimally invasive autologous fat injection filler | |
CN219185324U (en) | Auxiliary injector for intravenous injection | |
CN113083813B (en) | Automatic tube flushing device for enteral nutrient solution infusion | |
CN219022712U (en) | Synchronous injection and tube withdrawal robot for vascular intervention operation | |
CN219229975U (en) | Facial fat filling needle | |
CN219398627U (en) | Peripheral blood vessel intervention exchange sheath | |
CN215083038U (en) | Prevent stabbing internal fistula pjncture needle protection subassembly | |
CN114733005A (en) | Synchronous injection and tube withdrawing robot for blood vessel interventional operation | |
CN219167310U (en) | Simple central venous catheter sealing device | |
CN213252433U (en) | Indwelling urethral catheterization device | |
CN219896626U (en) | Venous indwelling needle convenient to recover | |
CN215193742U (en) | Acupuncture receiver of conveniently getting usefulness |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210928 |