CN111760165A - Medical catheter edging hole device - Google Patents
Medical catheter edging hole device Download PDFInfo
- Publication number
- CN111760165A CN111760165A CN202010765103.2A CN202010765103A CN111760165A CN 111760165 A CN111760165 A CN 111760165A CN 202010765103 A CN202010765103 A CN 202010765103A CN 111760165 A CN111760165 A CN 111760165A
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- Prior art keywords
- punching
- die
- punching die
- medical catheter
- catheter
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- 238000007688 edging Methods 0.000 title claims abstract description 19
- 238000004080 punching Methods 0.000 claims abstract description 147
- 238000012937 correction Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
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
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0015—Making lateral openings in a catheter tube, e.g. holes, slits, ports, piercings of guidewire ports; Methods for processing the holes, e.g. smoothing the edges
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a medical catheter edging device, which comprises a linear moving module and an edging device body, wherein the edging device body comprises a first fixing frame, a pushing device, a punching device and a movable punching die, wherein the first fixing frame is connected with the linear moving module and can move along with the linear moving module; the side punching device also comprises a catheter correcting device, and the correcting cylinder enables the positioning hole to be aligned with the catheter channel on the movable punching die by adjusting the positioning arm and the lower positioning arm, so as to play a role in positioning and guiding the medical catheter; when punching, the punching device and the punching knife move downwards under the action of the pushing device, the cam bearing moves downwards synchronously and pushes the cam plate when moving, and the second punching die moves towards the first punching die in a sliding way, so that the catheter channel is contracted and the medical catheter to be processed is clamped and fixed, and the phenomenon that the position of punching is inaccurate due to looseness of the medical catheter is prevented.
Description
The technical field is as follows:
the invention relates to a medical catheter edging hole device.
Background art:
in China, medical catheters are classified into first-class medical catheters, second-class medical catheters and third-class medical catheters. One type of medical catheter comprises an endotracheal tube, a ventricular drainage tube, a closed thoracic drainage tube, an abdominal cavity drainage tube and the like, the second type of medical catheter comprises a catheter, a stomach tube, a nasogastric tube, a venous indwelling needle and the like, and the third type of medical catheter comprises a transfusion tube, a nasal oxygen tube and the like. The medical catheter edge hole punching device is common equipment in the production process of medical catheters, and can be used for punching edge holes by using a punching knife when the catheter passes through a punching die according to the type of the processed catheter. The punch die of the existing medical catheter edging hole device is provided with a processing hole for the catheter to pass through and fix the catheter. However, the outer diameter of the medical catheter to be processed often has a certain size deviation, if the outer diameter of the medical catheter is too large, the medical catheter is difficult to enter and pass through the processing hole, and if the outer diameter of the medical catheter is too small, the medical catheter can be loosened, so that the punching position is inaccurate.
The invention content is as follows:
the invention aims to solve the problems in the prior art, and provides a medical catheter edging and punching device which is high in automation degree, wherein a cam bearing moves along with a punching device and pushes a cam plate during punching, so that a second punch is close to a first punch, a catheter channel is contracted to clamp and fix a medical catheter to be processed, and a punch synchronously completes punching, so that the punching accuracy is high.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a medical catheter edging hole punching device comprises a linear moving module and an edging hole punching device body, wherein the edging hole punching device body comprises a first fixing frame, a pushing device, a punching device and a movable punching die, wherein the first fixing frame is connected with the linear moving module and can move along with the linear moving module; the movable punching die comprises a first punching die and a second punching die which can slide relatively, wherein the opposite side surfaces of the first punching die and the second punching die are respectively provided with a through groove, and the two through grooves are combined to form a conduit channel for inserting a conduit; the first punching die is fixedly connected with the first fixing frame, the second punching die is provided with a cam plate, the punching device is provided with a cam bearing through a mounting frame, and the cam bearing pushes the cam plate when moving along with the punching device so as to enable the second punching die to slide towards the first punching die to approach.
Furthermore, a plurality of mounting holes extending to the second punch die are formed in the first punch die, a connecting rod used for connecting the first punch die and the second punch die is arranged on the movable punch die through the mounting holes, the connecting rod is fixedly connected with the first punch die, and the connecting rod is connected with the second punch die in a sliding manner; the mounting hole is including offering the first mounting hole on first die and extending to the second mounting hole on the second die, first mounting hole and second mounting hole one-to-one, set up the first mounting groove with first mounting hole one-to-one and coaxial intercommunication on the side that first die is close to the second die, set up the second mounting groove that links to each other with second mounting hole one-to-one and coaxial on the side that the second die is close to first die, first mounting groove and second mounting groove combination form the spring mounting groove, the cover is equipped with the spring on the connecting rod in the spring mounting groove, the both ends of spring support with first die and second die respectively and link to each other.
Furthermore, a pin hole communicated with the first mounting hole is formed in the side face of the first punching die, and the first punching die is fixed with the connecting rod in a pin joint mode through a fixing pin in the pin hole.
Furthermore, a punching hole for the punching knife to extend into for punching is formed in the movable punching die, and a punching opening is formed at the communication position of the punching hole and the through groove.
Further, linear movement module one side is provided with the pipe correcting unit who is used for getting into the pipe passageway with the pipe guide, pipe correcting unit is including having the correction cylinder of two upper and lower outputs, last locating arm and lower locating arm are installed respectively to two upper and lower outputs of correcting the cylinder, form the locating hole when going up the tip activity joint and the joint of locating arm and lower locating arm.
Furthermore, a bottom plate is arranged at the bottom of the linear moving module, a second fixing frame is arranged on the bottom plate, and the second fixing frame is fixedly connected with the correction cylinder.
Further, the pushing device is a pressing cylinder.
Furthermore, movable stamping dies at two ends of the conduit channel are provided with truncated cone-shaped guide ports.
The invention has the beneficial effects that:
1. the movable punching die comprises a first punching die and a second punching die which can slide relatively, wherein the opposite side surfaces of the first punching die and the second punching die are respectively provided with a through groove, the two through grooves are combined to form a conduit channel for inserting a conduit, when the hole is punched, the punching device and the punching knife move downwards under the action of the pushing device, the cam bearing moves downwards synchronously and pushes the cam plate when the cam bearing moves, so that the second punching die moves towards the first punching die in a sliding way to be close to the first punching die, the conduit channel is contracted, the medical conduit to be processed is clamped and fixed, and the phenomenon that the position of the hole is inaccurate due to the looseness of the medical conduit.
2. The movable punching die is provided with a connecting rod used for connecting the first punching die and the second punching die through the mounting hole, the connecting rod in the spring mounting groove is sleeved with a spring, two ends of the spring are respectively connected with the first punching die and the second punching die in a supporting mode, when the punching device is punched and moves upwards, the elastic force of the spring can enable the first punching die and the second punching die to be separated by a certain distance, and a medical catheter to be processed next time can enter conveniently.
3. The catheter correction device comprises a correction cylinder with an upper output end and a lower output end, and the correction cylinder can adjust the positioning arm and the lower positioning arm simultaneously to enable the positioning hole to be aligned with the catheter channel on the movable punching die and play a role in positioning and guiding the medical catheter to be processed.
Description of the drawings:
FIG. 1 is a schematic structural view of a medical catheter border hole punching device;
FIG. 2 is a schematic structural view of another perspective of the medical catheter border hole forming device;
FIG. 3 is a schematic view of the body of the hemming device with the second die removed;
FIG. 4 is a schematic side view of the edge-piercing device;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is an enlarged view taken at A in FIG. 5;
fig. 7 is a schematic view of the structure of the cam plate.
The specific implementation mode is as follows:
in order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-7, the medical catheter edge-drilling device includes a linear moving module 1 and an edge-drilling device body 2, wherein the edge-drilling device body 2 moves along with the linear moving module 1 and performs drilling on the medical catheter. The edge punching device body 2 comprises a first fixing frame 21, a pushing device 22, a punching device 23 and a movable die 4, wherein the first fixing frame 21 is connected with the linear moving module 1 and can move along with the linear moving module 1, the pushing device 22 is fixedly connected with the first fixing frame 21, the punching device 23 is provided with a punching knife 7, the pushing device 22 controls the punching knife 7 to move, and the movable die 4 is matched with the punching device 23 to punch holes. The first fixing frame 21 serves as a mounting base frame of the edge drilling device body 2 and is connected with a moving structure on the linear moving module 1, so that the edge drilling device body 2 can move along with the linear moving module 1. The pushing device 22 can be a pneumatic cylinder, an electric telescopic rod or the like, and preferably a pressing pneumatic cylinder. The output end of the pushing device 22 is connected with the punching device 23, and the punching device 23 can be provided with the number of the punching knives 7 according to the punching requirement.
The movable die 4 comprises a first die 41 and a second die 42 which can slide relatively, a through groove 43 is respectively arranged on the opposite side surfaces of the first die 41 and the second die 42, and the two through grooves 43 are combined to form a conduit channel 44 for inserting a conduit. Since the first die 41 and the second die 42 can slide relative to each other, a medical catheter having a deviation in outer diameter can be easily introduced into the catheter channel 44. The first die 41 is fixedly connected with the first fixing frame 21, the second die 42 is provided with the cam plate 8, the punching device 23 is provided with a cam bearing 82 through a mounting frame 81, and the cam bearing 82 pushes the cam plate 8 when following the movement of the punching device 23, so that the second die 42 slides towards the first die 41. The cam plate 8 is provided with an inclined support surface 88 which cooperates with the cam bearing 82, and by adjusting the position of the cam plate 8 and the angle of inclination of the inclined support surface 88, the distance over which the second die 42 is pushed to slide laterally when the cam bearing 82 is depressed can be adjusted, thereby controlling the outer diameter of the medical catheter which can be received and clamped by the catheter passage 44. The movable punching dies 4 at the two ends of the catheter channel 44 are provided with truncated cone-shaped guide ports 45, half of the guide ports 45 are arranged on the first punching die 41, and the other half of the guide ports 45 are arranged on the second punching die 42, so that medical catheters can be guided to better enter the catheter channel 44.
Preferably, the first die 41 is provided with a plurality of mounting holes extending to the second die 42, the movable die 4 is provided with a connecting rod 6 for connecting the first die 41 and the second die 42 through the mounting holes, the connecting rod 6 is fixedly connected with the first die 41, and the connecting rod 6 is slidably connected with the second die 42. The mounting holes include a first mounting hole 5 formed in the first die 41 and a second mounting hole 51 extending to the second die 42, and the first mounting hole 5 corresponds to the second mounting hole 51. The first mounting hole 5 and the second mounting hole 51 may be through holes or blind holes, but when the first mounting hole 5 and the second mounting hole 51 are blind holes, the depth of the second mounting hole 51 is greater than or equal to the length of the protruding section of the connecting rod 6 from the first mounting hole 5, so as to ensure that the first die 41 and the second die 42 can be attached under the pushing of the cam bearing 82.
The side of the first die 41 close to the second die 42 is provided with a first mounting groove 53 which is in one-to-one correspondence with the first mounting hole 5 and is coaxially communicated with the first mounting hole, the side of the second die 42 close to the first die 41 is provided with a second mounting groove 54 which is in one-to-one correspondence with the second mounting hole 51 and is coaxially connected with the second mounting hole, the first mounting groove 53 and the second mounting groove 54 are combined to form a spring mounting groove 55, a connecting rod 6 in the spring mounting groove 55 is sleeved with a spring 61, and two ends of the spring 61 are respectively connected with the first die 41 and the second die 42 in a supporting manner. When the punch device 23 performs downward punching, the spring 61 can play a role of buffering between the first die 41 and the second die 42, and after the punch device 23 completes punching, the elastic force of the spring 61 can separate the first die 41 and the second die 42, so that a medical catheter to be processed next time can enter the catheter channel 44.
In a further preferred embodiment, a pin hole 56 communicating with the first mounting hole 5 is formed in a side surface of the first die 41, and the first die 41 is fixed to the connecting rod 6 by a pin 57 in the pin hole 56. The movable die 4 is provided with a punching hole 71 for the punching knife 7 to extend into for punching, and the position of the punching hole 71 corresponds to the position of the upper punching knife 7 and is determined according to the punching requirement. A punching opening 72 is formed at the communication part of the punching hole 71 and the through groove 43, and when the punching knife 7 is pressed down, the medical catheter part at the punching opening 72 is punched to complete punching.
As another preferable mode, the linear moving module 1 is provided at one side with a catheter correction device 3 for guiding a catheter into the catheter channel 44. The catheter correction device 3 comprises a correction cylinder 31 with an upper output end and a lower output end, an upper positioning arm 32 and a lower positioning arm 33 are respectively installed at the upper output end and the lower output end of the correction cylinder 31, and a positioning hole 34 is formed when the end parts of the upper positioning arm 32 and the lower positioning arm 33 are movably clamped and connected. Because the medical catheter is mostly flexible, certain deformation can be generated in the moving process, so the positioning hole 34 can play a role in guiding and positioning the medical catheter, and the correction cylinder 31 which can be controlled up and down enables the adjustment of the positioning hole 34 to be more convenient and the position to be more accurate. The bottom of the linear moving module 1 is provided with a bottom plate 11, the bottom plate 11 is provided with a second fixing frame 28, and the second fixing frame 28 is fixedly connected with a correction cylinder 31.
The working principle is as follows: the medical catheter to be punched is positioned through the positioning hole in the catheter correction device under the action of the conveying device, the linear moving module controls the edge punching device body to move and enables one end of the medical catheter to enter the catheter channel, the pushing device pushes the punching device to move during punching, the cam bearing synchronously moves downwards and pushes the cam plate to enable the first punching die and the second punching die to be close to and clamp the medical catheter in the fixed catheter channel, and meanwhile, the punching knife on the punching device extends into the punching hole to punch. After the punching is finished, the pushing device drives the punching device to reset, the cam bearing is separated from the cam plate, the first punching die and the second punching die are also separated under the action of the spring, and the linear moving module controls the edge punching device body to move so as to separate the medical catheter from the catheter channel, so that the whole punching process is finished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A medical catheter edging hole device is characterized in that: the punching device comprises a linear moving module (1) and a punching device body (2), wherein the punching device body (2) comprises a first fixing frame (21) which is connected with the linear moving module (1) and can move along with the linear moving module (1), a pushing device (22) which is fixedly connected with the first fixing frame (21), a punching device (23) which is provided with a punching knife (7) and controls the punching knife (7) to move through the pushing device (22), and a movable punching die (4) which is matched with the punching device (23) to punch; the movable punching die (4) comprises a first punching die (41) and a second punching die (42) which can slide relatively, a through groove (43) is respectively formed on the opposite side surfaces of the first punching die (41) and the second punching die (42), and the two through grooves (43) are combined to form a catheter channel (44) for inserting a catheter; the first punching die (41) is fixedly connected with the first fixing frame (21), the second punching die (42) is provided with a cam plate (8), the punching device (23) is provided with a cam bearing (82) through a mounting frame (81), and the cam bearing (82) pushes the cam plate (8) when moving along with the punching device (23) so that the second punching die (42) slides towards the first punching die (41).
2. The medical catheter edging device of claim 1, wherein: the first punching die (41) is provided with a plurality of mounting holes extending to the second punching die (42), the movable punching die (4) is provided with a connecting rod (6) used for connecting the first punching die (41) and the second punching die (42) through the mounting holes, the connecting rod (6) is fixedly connected with the first punching die (41), and the connecting rod (6) is in sliding connection with the second punching die (42); the mounting holes comprise first mounting holes (5) formed in the first punching die (41) and second mounting holes (51) extending to the second punching die (42), the first mounting holes (5) correspond to the second mounting holes (51) one by one, the side surface of the first punching die (41) close to the second punching die (42) is provided with first mounting grooves (53) which are in one-to-one correspondence with the first mounting holes (5) and are coaxially communicated, the side surface of the second punching die (42) close to the first punching die (41) is provided with second mounting grooves (54) which are in one-to-one correspondence with the second mounting holes (51) and are coaxially connected, the first mounting groove (53) and the second mounting groove (54) are combined to form a spring mounting groove (55), a spring (61) is sleeved on the connecting rod (6) in the spring mounting groove (55), and two ends of the spring (61) are respectively in supporting connection with the first stamping die (41) and the second stamping die (42).
3. The medical catheter edging device of claim 2, wherein: the side surface of the first punching die (41) is provided with a pin hole (56) communicated with the first mounting hole (5), and the first punching die (41) is fixed with the connecting rod (6) in a pin joint mode through a fixing pin (57) in the pin hole (56).
4. The medical catheter edging device of claim 1, wherein: and a punching hole (71) for the punching knife (7) to extend into for punching is formed in the movable punching die (4), and a punching opening (72) is formed at the communication position of the punching hole (71) and the through groove (43).
5. The medical catheter edging device of claim 1, wherein: linear movement module (1) one side is provided with and is used for getting into pipe correcting unit (3) of pipe passageway (44) with the pipe guide, pipe correcting unit (3) are including having correction cylinder (31) of two upper and lower outputs, two upper and lower outputs of correcting cylinder (31) are installed respectively and are gone up registration arm (32) and lower registration arm (33), form locating hole (34) when going up the tip activity joint and the joint of registration arm (32) and lower registration arm (33).
6. The medical catheter edging device of claim 5, wherein: the bottom of the linear moving module (1) is provided with a bottom plate (11), a second fixing frame (28) is arranged on the bottom plate (11), and the second fixing frame (28) is fixedly connected with a correcting cylinder (31).
7. The medical catheter edging device of claim 1, wherein: the pushing device (22) is a pressing cylinder.
8. The medical catheter edging device of claim 1, wherein: the movable punching dies (4) at the two ends of the conduit channel (44) are respectively provided with a circular truncated cone-shaped guide port (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765103.2A CN111760165B (en) | 2020-08-03 | 2020-08-03 | Medical catheter edge hole punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765103.2A CN111760165B (en) | 2020-08-03 | 2020-08-03 | Medical catheter edge hole punching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111760165A true CN111760165A (en) | 2020-10-13 |
| CN111760165B CN111760165B (en) | 2024-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010765103.2A Active CN111760165B (en) | 2020-08-03 | 2020-08-03 | Medical catheter edge hole punching device |
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| Country | Link |
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| CN (1) | CN111760165B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060027063A1 (en) * | 2004-08-09 | 2006-02-09 | Currier Jonathan M | Tooling apparatuses and processes for providing precision shapes in medical catheters |
| CN104027203A (en) * | 2014-06-26 | 2014-09-10 | 苏州爱得科技发展有限公司 | Medical dressing perforating device |
| CN204337471U (en) * | 2014-11-11 | 2015-05-20 | 杨政典 | The automatic tapping equipment of catheter |
| CN212575433U (en) * | 2020-08-03 | 2021-02-23 | 绍兴振腾医疗用品有限公司 | Medical catheter edging hole device |
-
2020
- 2020-08-03 CN CN202010765103.2A patent/CN111760165B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060027063A1 (en) * | 2004-08-09 | 2006-02-09 | Currier Jonathan M | Tooling apparatuses and processes for providing precision shapes in medical catheters |
| CN104027203A (en) * | 2014-06-26 | 2014-09-10 | 苏州爱得科技发展有限公司 | Medical dressing perforating device |
| CN204337471U (en) * | 2014-11-11 | 2015-05-20 | 杨政典 | The automatic tapping equipment of catheter |
| CN212575433U (en) * | 2020-08-03 | 2021-02-23 | 绍兴振腾医疗用品有限公司 | Medical catheter edging hole device |
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| Publication number | Publication date |
|---|---|
| CN111760165B (en) | 2024-10-01 |
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