CN111956875B - Manual anti-blocking suction tube - Google Patents
Manual anti-blocking suction tube Download PDFInfo
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- CN111956875B CN111956875B CN202010869697.1A CN202010869697A CN111956875B CN 111956875 B CN111956875 B CN 111956875B CN 202010869697 A CN202010869697 A CN 202010869697A CN 111956875 B CN111956875 B CN 111956875B
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- inner tube
- handle
- tube
- transmission mechanism
- rotating shaft
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/83—Tube strippers, i.e. for clearing the contents of the tubes
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Surgical Instruments (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a manual anti-blocking suction tube, which comprises an outer tube, an inner tube, a rotating assembly, a handle and a driving mechanism, wherein the inner tube is connected with the outer tube; the inner tube is sleeved in the outer tube, a gap is arranged between the opening end of the inner tube and the inner wall of the outer tube, and the other end of the inner tube is arranged on the handle; one end of the outer tube is arranged on the handle, a channel is arranged in the handle, one end of the channel is connected with the inner tube, and the other end of the channel is connected with the negative pressure interface; a rotating component is arranged in the inner pipe; the rotating assembly is connected with a driving mechanism arranged in the handle. According to the anti-blocking suction tube provided by the invention, the cutter assembly arranged in the inner tube is used for cutting the blockage into tissues or bone fragments with smaller volumes, so that the blockage phenomenon of small holes on the inner tube is avoided; the adoption of the multiple groups of rotary blades quickens the cutting speed and the cutting effect, so that tissues or bone fragments attracted into the inner tube cannot cause blockage phenomenon to small holes of the inner tube.
Description
Technical Field
The invention relates to the technical field of medical equipment for sucking media from the human body, in particular to a manual anti-blocking suction tube.
Background
In the surgical operation, the traditional suction tube for sucking human body fluid and blood is formed by processing a silicon rubber material, the existing suction tube is sleeved into a whole by an inner tube and an outer tube, a plurality of small holes are formed on the side surfaces of the inner tube and the outer tube, the rear end of the outer tube is connected with a suction device through a joint, wound blood or body fluid and bone fragments mixed in the wound blood or body fluid are sucked into the inner tube under the action of negative pressure, then tissues or bone fragments in the wound blood or body fluid are collected in the inner tube, and the blood flows out of the small holes into the outer tube and is discharged from a pipeline at the rear end of the outer tube.
The blood is difficult to flow out from the small holes on the inner tube due to the increase of tissues accumulated in the inner tube, so that the suction tube is blocked, and the operation time and the operation efficiency are delayed.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a manual anti-clogging suction tube which is used in various operations for sucking blood or bone fragments in a wound of a patient during the operation, and which can efficiently suck the blood or bone fragments of the wound of the patient during the operation without clogging, thereby allowing the operation to be smoothly performed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a manual anti-blocking suction tube, which comprises an outer tube, an inner tube, a rotating assembly, a handle and a driving mechanism; the inner tube is sleeved in the outer tube, a gap is arranged between the opening end of the inner tube and the inner wall of the outer tube, and the other end of the inner tube is arranged on the handle; one end of the outer tube is arranged on the handle, a channel is arranged in the handle, one end of the channel is connected with the inner tube, and the other end of the channel is connected with the negative pressure interface; a rotating component is arranged in the inner pipe; the rotating assembly is connected with a driving mechanism arranged in the handle.
Further, the driving mechanism comprises a finger-pressure mechanism and a transmission mechanism; the finger pressing mechanism comprises a hand pressing rod and a resetting device;
one end of the hand pressing rod is fixed on the handle, and the other end of the hand pressing rod is connected with the transmission mechanism, when the hand pressing rod moves, the transmission mechanism is driven to move, and the transmission mechanism drives the rotating assembly to rotate in the inner pipe;
the reset device is arranged between the hand pressing rod and the handle and is used for recovering to an original state after external force on the hand pressing rod is withdrawn.
Further, the transmission mechanism comprises a turbine and a worm, the worm is arranged along the rotation axis direction of the rotation assembly, and the turbine is arranged on the rotation axis of the gear.
Further, a rack is arranged on the hand pressing rod and is matched with a turbine in the transmission mechanism.
Further, the hand lever is a hand crank, the hand crank comprises a straight rod and a crank, one end of the straight rod is fixed on the upper portion of the handle, the straight rod extends downwards to be connected with the crank, and the crank extends to a gear on the handle and is matched with the gear to drive the gear to rotate.
Further, the handle is detachably connected with the outer tube.
Further, a ratchet mechanism is arranged between the hand pressing rod and the transmission mechanism, the ratchet mechanism comprises a ratchet and a pawl, one end of the pawl is hinged to the hand pressing rod, the other end of the pawl is inserted into ratchet teeth for driving the ratchet to rotate, the ratchet is matched with the transmission mechanism, and the transmission mechanism is driven through rotation of the ratchet.
Further, the rotating assembly comprises a cutter, a rotating shaft and a base;
the base one end sets up in the one end that is close to the handle of inner tube, the rotation axis passes the base and extends to the inner tube, the cutterbar sets up on the rotation axis one end that is arranged in the inner tube, the other end and the drive mechanism of rotation axis are connected.
Further, one end of the rotating shaft extends along the axial direction of the inner tube, and the other end of the rotating shaft is arranged on the base.
The invention has the beneficial effects that:
according to the anti-blocking suction tube provided by the invention, the rotating assembly arranged in the inner tube is rotated manually, so that the blocking object can be pushed away from a blocking part, or the blocking object is cut into tissues or bone fragments with smaller volume, and the blocking phenomenon of small holes on the inner tube is avoided; the adoption of the multiple groups of rotary blades quickens the cutting speed and the cutting effect, so that tissues or bone fragments attracted into the inner tube cannot cause blockage phenomenon to small holes of the inner tube.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
fig. 1 is a schematic diagram of a manual anti-blocking suction tube.
Fig. 2 is a schematic view of the internal structure of the handle.
Fig. 3 is a perspective view of a cutter assembly.
In the figure, 1 denotes an outer tube, 2 denotes an inner tube, 3 denotes a rotating assembly, 4 denotes a handle, 5 denotes a driving mechanism, and 6 denotes a transmission mechanism; 21 denotes a filter aperture, 31 denotes a cutter, 32 denotes a rotation shaft, and 33 denotes a base.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
Example 1
The manual anti-blocking suction tube provided by the embodiment comprises an outer tube 1, an inner tube 2, a rotating assembly 3, a handle 5 and a driving mechanism 4; the inner tube 2 is sleeved in the outer tube 1, a gap is arranged between the open end of the inner tube 2 and the inner wall of the outer tube 1, and the other end of the inner tube 2 is arranged on the handle 5; one end of the outer tube 1 is arranged on the handle 5, a channel is arranged in the handle 5, one end of the channel is connected with the inner tube 2, and the other end of the channel is connected with a negative pressure interface; a rotating component 3 is arranged in the inner pipe 2; the rotating assembly 3 is connected with a driving mechanism 4 arranged in a handle 5.
The gap described in this embodiment can prevent tissue or bone fragments from passing through, but blood can flow through the gap to the suction tube output end, and the prevented tissue or bone fragments accumulate in the inner tube and then are cut into smaller tissue or bone fragments by the action of the rotating assembly in the inner tube, or are pushed to move by the rotating assembly, so that the blood can be prevented from staying in the filtering small hole for a long time, and the anti-blocking effect can be also achieved.
The driving mechanism comprises a finger-pressure mechanism and a transmission mechanism 6; the finger pressing mechanism comprises a hand pressing rod and a resetting device; one end of the hand pressing rod is fixed on the handle 5, the other end of the hand pressing rod is connected with the transmission mechanism 6, when the hand pressing rod moves, the transmission mechanism 6 is driven to move, and the transmission mechanism 6 drives the rotating assembly 3 to rotate in the inner tube 2;
the resetting device is arranged between the hand pressing rod and the handle 5 and is used for recovering to an original state after external force on the hand pressing rod is withdrawn. The resetting means that this embodiment provided adopts elastomeric element, and this elastomeric element can adopt the spring, and the spring sets up between hand depression bar and handle, and after hand depression bar was impressed in by external force to the handle, the spring was compressed, and after external force release, under the elasticity effect of spring, the hand depression bar was outwards ejecting by the spring, resumes the state of principle.
The transmission mechanism 6 includes a worm wheel and a worm screw, the worm screw is disposed along the rotation axis direction of the rotation assembly 3, and the worm wheel is disposed on the rotation axis of the gear.
The hand press rod is provided with a rack which is matched with a turbine in the transmission mechanism 6.
The hand lever is a hand lever, the hand lever comprises a straight rod and a curved rod, one end of the straight rod is fixed on the upper portion of the handle 5, the straight rod extends downwards to be connected with the curved rod, and the curved rod extends to a gear on the handle 5 and is matched with the gear to drive the gear to rotate.
The handle 5 is detachably connected with the outer tube 1.
A ratchet mechanism is arranged between the hand pressing rod and the transmission mechanism 6, the ratchet mechanism comprises a ratchet and a pawl, one end of the pawl is hinged to the hand pressing rod, the other end of the pawl is inserted into ratchet teeth for driving the ratchet to rotate, the ratchet is matched with the transmission mechanism 6, and the transmission mechanism 6 is driven through rotation of the ratchet.
The ratchet wheel teeth in the ratchet mechanism provided by the embodiment are unidirectional teeth, the pawl is hinged on the handle 5 rod, and when the handle 5 rod is pressed inwards, the pawl is driven to be inserted into the ratchet wheel teeth to push the ratchet wheel to rotate; when the lever 5 is returned outwards, the pawl slides over the ratchet wheel, which stops rotating.
The rotating assembly 3 comprises a cutter 31, a rotating shaft 32 and a base 33; one end of the base 33 is arranged at one end of the inner tube (2) close to the handle 5, the rotating shaft 32 penetrates through the base 33 to extend to the inner tube (2), the cutter 31 is arranged at one end of the rotating shaft 32 in the inner tube (2), and the other end of the rotating shaft 32 is connected with the transmission mechanism 41. One end of the rotating shaft 32 extends along the axial direction of the inner tube (2), and the other end of the rotating shaft 32 is arranged on the base 33.
The cutter 31 of the present embodiment employs a cutter 31 assembly; the cutter 31 assembly includes a plurality of cutting blades spaced apart on a base. The cutting blade is radially arranged on the base along the inner tube 2, and the edge of the cutting blade is provided with radian along the cutting direction.
The driving mechanism is used for driving the rotating shaft to rotate, so that the cutting blade on the rotating shaft is driven to cut the blockage of the inner pipe 2.
The outer tube 1 in this embodiment is inserted into the handle 5 to form a closed container with the handle 5, the inner tube 2 is disposed in the closed container, the other end of the outer tube 1 is provided with a suction elbow for sucking blood or bone fragments during insertion surgery, the blood or bone fragments sucked from the suction elbow directly enter the inner tube 2, and under the filtering action of the filtering small holes 21 disposed on the inner tube 2, liquid flows out from the filtering small holes 21 into a cavity between the inner tube 2 and the outer tube 1, so that tissues or bone fragments mixed in the blood are separated, the separated blood flows out from a channel in the handle 5 connected with the outer tube 1, and then the flowing blood is collected in an external blood collecting device.
The cutter 31 assembly is arranged in the inner tube 2 and is used for cutting a blockage in the inner tube 2, the cutter 31 assembly is connected with the driving mechanism, and the cutter 31 assembly is operated by the driving mechanism; the cutter 31 assembly comprises a rotating shaft and cutting blades arranged on the rotating shaft, the rotating shaft is arranged along the axial direction of the inner tube 2, the rotating shaft is connected with a driving mechanism and drives the rotating shaft to rotate under the operation of the driving mechanism, so that the cutting blades on the rotating shaft are driven to cut the plugs of the inner tube 2, the cutting blades are arranged on the rotating shaft in a spiral line mode, one end of the rotating shaft, which is positioned at the handle 5, is provided with blades arranged according to the rotating direction, when the rotating shaft rotates, the plugs can be driven to move according to the spiral line path in the cutting process of the plugs, when the rotating shaft moves to a position close to the blades arranged according to the rotating direction, the blades can be further cut the plugs according to the rotating direction, the blades arranged according to the rotating direction can be distributed at intervals along the rotating shaft according to the requirements of actual conditions, and thus the plugs can be further divided, and the anti-blocking effect of the aspirator is improved.
In order to fix the rotation shaft, a rotation shaft fixing bracket may be provided on the inner tube 2, and the fixing bracket may be provided on one side close to the gap between the inner tube 2 and the outer tube 1, or may be provided in the middle of the inner tube 2, or may be provided at any position on the inner tube 2, according to practical situations.
The inner tube in this embodiment can also set up the thin wall cylinder that matches with the inner tube diameter, the cylinder side of thin wall cylinder is the spacing sheet form arc surface that sets up along the axial, the upper and lower both ends of thin wall cylinder are provided with the terminal surface, the centre of a circle portion and the rotation axis of terminal surface are connected, the thin wall cylinder is rotatory under the drive of rotation axis, spacing sheet form arc surface can remove the plug from original position in pivoted in-process, also can cut into less tissue or bone bits with the plug.
The driving mechanism provided in this embodiment adopts a manual mode, and is connected with the cutter 31 assembly by setting a rotatable component or a similar manual crank arm rocking handle mechanism, and drives the cutter 31 assembly to rotate under the action of external force, thereby interfering with the blocking objects such as tissue objects or bone fragments blocked on the suction tube inner tube 2, and simultaneously cutting the tissue or bone fragments into smaller tissue or bone fragments, so as to achieve the anti-blocking effect. The anti-blocking suction tube is processed by plastic materials meeting the specification of the national food and drug administration, is in a sterile state, belongs to a disposable product, and can effectively prevent cross infection.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A manual anti-blocking suction tube is characterized in that: comprises an outer tube (1), an inner tube (2), a rotating component (3), a handle (5) and a driving mechanism (4); the inner tube (2) is sleeved in the outer tube (1), a filtering small hole (21) is formed in the inner tube wall, a gap is formed between the opening end of the inner tube (2) and the inner wall of the outer tube (1), and the other end of the inner tube (2) is arranged on the handle (5); one end of the outer tube (1) is arranged on the handle (5), a channel is arranged in the handle (5), one end of the channel is connected with the inner tube (2), and the other end of the channel is connected with the negative pressure interface; a rotating component (3) is arranged in the inner pipe (2); the rotating assembly (3) is connected with a driving mechanism (4) arranged in the handle (5);
the rotating assembly (3) comprises a cutter (31), a rotating shaft (32) and a base (33); one end of the base (33) is arranged at one end of the inner tube (2) close to the handle (5), the rotating shaft (32) penetrates through the base (33) to extend to the inner tube (2), the cutter (31) is arranged at one end of the rotating shaft (32) positioned in the inner tube (2), and the other end of the rotating shaft (32) is connected with the transmission mechanism (6);
the cutter comprises a plurality of cutting blades which are arranged on the base at intervals, the cutting blades are radially arranged on the base along the inner pipe, and the cutting edges of the cutting blades are provided with radians along the cutting direction;
the inner tube is internally provided with a thin-wall cylinder matched with the diameter of the inner tube, the side surface of the thin-wall cylinder is a spacing sheet-shaped arc surface arranged along the axial direction, the upper end and the lower end of the thin-wall cylinder are provided with end faces, the center part of each end face is connected with a rotating shaft, and the thin-wall cylinder is driven by the rotating shaft to rotate.
2. The suction tube of claim 1, wherein: the driving mechanism comprises a finger-pressure mechanism and a transmission mechanism (6); the finger pressing mechanism comprises a hand pressing rod and a resetting device; one end of the hand pressing rod is fixed on the handle (5), the other end of the hand pressing rod is connected with the transmission mechanism (6), when the hand pressing rod moves, the transmission mechanism (6) is driven to move, and the transmission mechanism (6) drives the rotating assembly (3) to rotate in the inner pipe (2); the resetting device is arranged between the hand pressing rod and the handle (5) and is used for recovering to an original state after external force on the hand pressing rod is withdrawn.
3. The suction tube of claim 2, wherein: the transmission mechanism (6) comprises a turbine and a worm, the worm is arranged along the rotation axis direction of the rotation assembly (3), and the turbine is arranged on the rotation axis of the gear.
4. The suction tube of claim 2, wherein: the hand press rod is provided with a rack which is matched with a turbine in the transmission mechanism (6).
5. The suction tube of claim 2, wherein: the hand lever is a hand lever, the hand lever comprises a straight rod and a lever, one end of the straight rod is fixed on the upper portion of the handle (5), the straight rod extends downwards to be connected with the lever, and the lever extends to a gear on the handle (5) and is matched with the gear to drive the gear to rotate.
6. The suction tube of claim 1, wherein: the handle (5) is detachably connected with the outer tube (1).
7. The suction tube of claim 2, wherein: a ratchet mechanism is arranged between the hand pressing rod and the transmission mechanism (6), the ratchet mechanism comprises a ratchet and a pawl, one end of the pawl is hinged to the hand pressing rod, the other end of the pawl is inserted into ratchet teeth for driving the ratchet to rotate, the ratchet is matched with the transmission mechanism (6), and the transmission mechanism (6) is driven through rotation of the ratchet.
8. The suction tube of claim 1, wherein: one end of the rotating shaft (32) extends along the axial direction of the inner tube (2), and the other end of the rotating shaft (32) is arranged on the base (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869697.1A CN111956875B (en) | 2020-08-26 | 2020-08-26 | Manual anti-blocking suction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869697.1A CN111956875B (en) | 2020-08-26 | 2020-08-26 | Manual anti-blocking suction tube |
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| Publication Number | Publication Date |
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| CN111956875A CN111956875A (en) | 2020-11-20 |
| CN111956875B true CN111956875B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010869697.1A Active CN111956875B (en) | 2020-08-26 | 2020-08-26 | Manual anti-blocking suction tube |
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| CN (1) | CN111956875B (en) |
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| CN111956875A (en) | 2020-11-20 |
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