CN112472883B - Negative pressure type tumor eliminating device - Google Patents
Negative pressure type tumor eliminating device Download PDFInfo
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- CN112472883B CN112472883B CN202011363573.2A CN202011363573A CN112472883B CN 112472883 B CN112472883 B CN 112472883B CN 202011363573 A CN202011363573 A CN 202011363573A CN 112472883 B CN112472883 B CN 112472883B
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- side plate
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- eliminating
- suction tube
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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
Abstract
The invention provides a negative pressure type tumor eliminating device, which belongs to the technical field of medical instruments and comprises an absorption tube, an eliminating mechanism, a protection tube, a sliding sleeve and a rebound assembly. Wherein the suction tube is used for extending into a wound of a patient and sucking tumor tissues into the suction tube. The eliminating mechanism is arranged on the outer side plate of the suction tube and is used for eliminating the tumor tissue absorbed by the first end of the suction tube. The protection tube is used for protecting the suction tube and limiting the elimination mechanism. The sliding sleeve is used for driving the elimination mechanism to eliminate the tumor tissues absorbed by the first end of the absorption tube. The rebound assembly is used for rebounding and sliding along the length direction of the suction pipe. The negative pressure type tumor eliminating device has a simple structure, has the functions of tumor elimination and tumor absorption, can perform tumor elimination work under a minimally invasive opening, can improve the work efficiency of tumor elimination to a certain extent, and reduces the risk of the tumor elimination work.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a negative pressure type tumor eliminating device.
Background
Tumor refers to the abnormal proliferation and expansion of cells in some tissues in the body, and the tumor body is enlarged continuously, so that the tumor body can extrude surrounding tissues, but does not invade adjacent normal tissues, and is mostly spherical and nodular. The surrounding is often enveloped, so the boundary with normal tissues is obvious, the normal tissues can be touched by hands and pushed to move, the normal tissues are easy to be eliminated, the excision is not transferred, and the recurrence is rare. Tumor treatment usually requires the elimination of tumor tissues for radical treatment.
Among the prior art, when carrying out the tumour elimination for the patient, it is fixed to carry out the centre gripping to the tumour part earlier for the majority, then eliminates the tumour of centre gripping, and clamping means is independent setting with the elimination instrument, and this kind of operating means is loaded down with trivial details and troublesome, wastes time and energy, very influences the work efficiency that the tumour was eliminated many times repeatedly to this kind of repetition. Moreover, the clamping tool and the eliminating tool are large in size, a large wound is needed, and the recovery of the patient after tumor elimination is not facilitated. In addition, the eliminating tool is easy to scrape and touch the tumor in the tumor eliminating and taking-out process, so that the tumor is broken, and the working efficiency of tumor elimination is seriously influenced.
Disclosure of Invention
The invention aims to provide a negative pressure type tumor eliminating device, which aims to solve the problems of low working efficiency and large wound of the existing tumor eliminating device.
In order to realize the purpose, the invention adopts the technical scheme that: provided is a negative pressure type tumor elimination device, comprising:
the suction tube is provided with a first end and a second end, the second end is opposite to the first end of the suction tube, the first end of the suction tube is used for extending into a wound of a patient and sucking tumor tissues into the suction tube, and the second end of the suction tube is connected with the negative pressure device or the negative pressure air bag through a flexible tube;
the eliminating mechanism is arranged on the outer side plate of the suction tube and is used for sliding along the direction vertical to the central axis of the suction tube so as to eliminate the tumor tissue sucked by the first end of the suction tube;
the protective tube is provided with a first protective tube end and a second protective tube end opposite to the first protective tube end, the protective tube is sleeved on the peripheral surface of the suction tube, and the first protective tube end protrudes out of the first end of the suction tube along the length direction of the suction tube and is used for protecting the suction tube and limiting the eliminating mechanism;
the sliding sleeve is sleeved on the outer peripheral surface of the protection tube in a sliding manner and used for driving the eliminating mechanism to eliminate the tumor tissues absorbed by the first end of the absorption tube; and
and the rebound assembly is positioned between the protection tube and the suction tube and used for rebounding and sliding along the length direction of the suction tube so as to restore the elimination mechanism to the initial position.
As another embodiment of the present application, the protection tube includes a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate and the third side plate are disposed opposite to each other, the second side plate and the fourth side plate are disposed opposite to each other, and the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected to form a structural body with a rectangular shape.
As another embodiment of the present application, the eliminating mechanism includes:
the first eliminating piece is arranged on the protecting tube in a sliding mode and located at the first end of the protecting tube, and the first eliminating piece is arranged along the normal direction of the first side plate and used for sliding from the position of the first side plate to the position of the third side plate so as to eliminate tumor tissues;
the second eliminating piece is arranged on the protecting tube in a sliding mode and located at the first end of the protecting tube, arranged along the normal direction of the third side plate and opposite to the first eliminating piece, and used for sliding to the position of the first side plate at the position of the third side plate so as to eliminate tumor tissues; and
the two transmission assemblies are respectively arranged between the second side plate and the suction pipe and between the fourth side plate and the suction pipe, are respectively hinged with the first eliminating part and the second eliminating part, and are used for driving the first eliminating part and the second eliminating part to relatively slide or oppositely slide so as to eliminate tumor tissues;
the second side plate inner wall and the fourth side plate inner wall are provided with sliding grooves used for sliding the first eliminating piece and the second eliminating piece, and two ends of the first eliminating piece and two ends of the second eliminating piece are respectively inserted into the sliding grooves.
As another embodiment of the present application, each of the transmission assemblies includes:
the rotating shaft is arranged between the second side plate and the suction pipe or between the fourth side plate and the suction pipe, the rotating shaft is positioned on a vertical central line of the second side plate or the fourth side plate, and an axis of the rotating shaft is perpendicular to the vertical central line of the second side plate or the fourth side plate;
the first connecting rod is provided with a first connecting rod first end and a first connecting rod second end opposite to the first connecting rod first end, the first connecting rod first end is hinged with the first eliminating part, the first connecting rod is hinged with the rotating shaft, the first connecting rod is provided with a first through hole for the rotating shaft to pass through, and the first connecting rod second end is connected with the sliding sleeve and used for driving the first eliminating part to slide under the driving of the sliding sleeve; and
the second connecting rod is provided with a second connecting rod first end and a second connecting rod second end opposite to the second connecting rod first end, the second connecting rod first end is hinged with the second eliminating part, the second connecting rod is hinged with the rotating shaft, the second connecting rod is provided with a second through hole for the rotating shaft to pass through, the second connecting rod and the first connecting rod are arranged in a crossed manner, and the second connecting rod second end is connected with the sliding sleeve and used for driving the second eliminating part to slide under the driving of the sliding sleeve;
the inner wall surface of the second side plate, the outer side wall of the suction tube opposite to the second side plate, the inner wall surface of the fourth side plate and the outer side wall of the suction tube opposite to the fourth side plate are provided with strip-shaped grooves for the rotating shaft to slide along the length direction of the suction tube.
As another embodiment of the present application, an end surface of the first end of the suction pipe abuts against the first eliminating member or the second eliminating member.
As another embodiment of this application, the tip of protection tube first end is equipped with turn-ups structure, turn-ups structure along with absorb the perpendicular direction of tub length direction and stretch out, and stretch out the terminal surface with the setting of suction tube inner wall face parallel and level.
As another embodiment of the present application, the sliding sleeve has a rectangular outer shape, wherein two opposite inner walls of the side plates are provided with a limiting portion for driving the first connecting rod and the second connecting rod to rotate relatively, and the limiting portion penetrates through the second side plate or the fourth side plate and is in sliding abutment with the second end of the first connecting rod and the second end of the second connecting rod;
the second side plate and the fourth side plate are provided with rectangular openings for the limiting parts to pass through.
As another embodiment of the present application, the rebound assembly comprises:
the sliding plate is arranged between the suction pipe and the protection pipe in a sliding mode and used for sliding along the length direction of the suction pipe, and the sliding plate is provided with a tip end which is inserted between the second end of the first connecting rod and the second end of the second connecting rod and used for spreading the first connecting rod and the second connecting rod so as to enable the first connecting rod and the second connecting rod to rotate oppositely; and
the spring, set up in the suction tube with between the protection tube, one end with the one end of slide links to each other, the other end with set up in fixed block on the protection tube inner wall links to each other, is used for the elasticity the slide to suction tube second end slides.
As another embodiment of this application, be equipped with rectangular mouth on the slide, rectangular mouth set up in on the vertical central line of slide, be equipped with on the inner wall of sliding sleeve and be used for inserting the bolt of rectangular mouth, the bolt is used for promoting slide reverse slip.
As another embodiment of the application, the suction pipe is of a rectangular external structure, and the inner diameter of the protection pipe is larger than the outer diameter of the suction pipe.
The negative pressure type tumor eliminating device provided by the invention has the beneficial effects that: compared with the prior art, the suction tube in the negative pressure type tumor eliminating device is connected with the negative pressure device, so that the suction tube can ensure that the suction tube stretches into the wound of a patient to suck the tumor, the elimination work of tumor tissues is facilitated, and the eliminated tumor is taken out conveniently. The eliminating mechanism can eliminate the tumor absorbed by the absorbing tube. The protection tube can protect the suction tube and can also ensure the stable work of the eliminating mechanism. The sliding sleeve can ensure that the eliminating work of the cutter is controlled outside the body of the patient, thereby avoiding the enlargement of the wound and being convenient for the eliminating work of the doctor to the tumor. The rebound assembly enables the elimination mechanism to return to an initial position after eliminating the tumor to ensure repeated elimination of the tumor tissue by the elimination mechanism. The negative pressure type tumor eliminating device has a simple structure, has the functions of tumor elimination and tumor suction, can perform tumor elimination work under a minimally invasive opening, can ensure that the tumor is directly aligned to the tumor after the tumor is inserted into a wound of a patient, can improve the work efficiency of tumor elimination to a certain extent, and reduces the risk of the tumor elimination work.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a negative pressure type tumor elimination apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram (hidden protection tube) of the negative pressure tumor removal device according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a negative pressure type tumor elimination apparatus according to an embodiment of the present invention (a hidden protection tube and a sliding sleeve);
FIG. 4 is a schematic structural diagram of an eliminating mechanism of the negative pressure type tumor eliminating device according to the embodiment of the present invention;
fig. 5 is a schematic partial sectional structural view of a protective tube of the negative pressure tumor elimination apparatus according to an embodiment of the present invention;
FIG. 6 is an enlarged view at A provided in FIG. 5;
FIG. 7 is a schematic cross-sectional structural view of a sliding sleeve of a negative pressure tumor elimination apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a structure of a suction tube of the negative pressure tumor removal device according to an embodiment of the present invention;
in the figure: 10. an extraction tube; 11. a strip groove; 20. an eliminating mechanism; 21. a first eliminating member; 22. a second eliminating member; 23. a transmission assembly; 231. a rotating shaft; 232. a first link; 233. a second link; 30. protecting the tube; 31. a first side panel, 32, a second side panel; 321. a chute; 33. a third side plate; 34. a fourth side plate; 35. a flanging structure; 36. opening the mouth; 40. a sliding sleeve; 41. a limiting part; 42. a bolt; 50. a rebound assembly; 51. a slide plate; 511. a strip opening; 52. a spring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 8, a negative pressure type tumor removing apparatus according to the present invention will now be described. The negative pressure type tumor elimination device comprises an absorption tube 10, an elimination mechanism 20, a protection tube 30, a sliding sleeve 40 and a rebound assembly 50. Wherein, the aspiration tube 10 has aspiration tube 10 first end and for the aspiration tube 10 second end of aspiration tube 10 first end, aspiration tube 10 first end is used for stretching into patient's wound and inhales tumour tissue in aspiration tube 10, aspiration tube 10 second end and negative pressure device or negative pressure gasbag pass through the flexible tube and link to each other. The removing mechanism 20 is disposed on the outer side plate of the suction tube 10, and is used for sliding at the first end of the suction tube 10 along a direction perpendicular to the central axis of the suction tube 10, so as to remove the tumor tissue sucked by the first end of the suction tube 10. The protection tube 30 has the first end of protection tube 30 and is held for the protection tube 30 second of the first end of protection tube 30, and the outer peripheral face of suction tube 10 is located to protection tube 30 cover, and the first end of protection tube 30 is along the length direction protrusion in suction tube 10 first end of suction tube 10 for protection suction tube 10, and spacing to eliminating mechanism 20. The sliding sleeve 40 is slidably sleeved on the outer peripheral surface of the protective tube 30 for driving the removing mechanism 20 to remove the tumor tissue sucked by the first end of the suction tube 10. The resilient member 50 is slidably disposed between the protection tube 30 and the suction tube 10, and resiliently slides along the length direction of the suction tube 10 to restore the removing mechanism 20 to the original position.
Compared with the prior art, the suction tube 10 of the negative pressure type tumor eliminating device is connected with the negative pressure device, so that the suction tube can ensure that the tumor is sucked when extending into the wound of a patient, the tumor tissue is convenient to eliminate, and the eliminated tumor is convenient to take out. The eliminating mechanism 20 can eliminate the tumor sucked by the suction tube 10. The protective tube 30 can protect the suction tube 10 while ensuring stable operation of the erasing mechanism 20. The sliding sleeve 40 can ensure that the eliminating work of the cutter is controlled outside the body of the patient, thereby avoiding the enlargement of the wound and being convenient for the tumor eliminating work of the doctor. The resilient assembly 50 enables the ablation mechanism 20 to return to its initial position after ablation of the tumor to ensure repeated ablation of the tumor tissue by the ablation mechanism 20. The negative pressure type tumor eliminating device has a simple structure, has the functions of tumor elimination and tumor absorption, can eliminate tumors under a minimally invasive opening, can ensure that the tumor eliminating device is directly aligned to the tumors after being stretched into the wounds of patients to eliminate the tumors, can improve the tumor eliminating working efficiency to a certain extent, and reduces the risk of the tumor eliminating work.
As an embodiment of the negative pressure type tumor removing device provided by the present invention, please refer to fig. 1 and 8, the protection tube 30 includes a first side plate 31, a second side plate 32, a third side plate 33 and a fourth side plate 34, wherein the first side plate 31 and the third side plate 33 are disposed opposite to each other, the second side plate 32 and the fourth side plate 34 are disposed opposite to each other, and the first side plate 31, the second side plate 32, the third side plate 33 and the fourth side plate 34 are sequentially connected to form a rectangular structural body. The rectangular arrangement of the protection tube 30 can facilitate stable operation of the eliminating mechanism 20, and the structure is simple and practical.
In this embodiment, the connecting corner points of the first side plate 31, the second side plate 32, the third side plate 33 and the fourth side plate 34 are all provided with a round corner structure to prevent secondary injury from occurring to the wound of the patient.
Referring to fig. 1 and 8 together, an eliminating mechanism 20 includes a first eliminating member 21, a second eliminating member 22 and a transmission assembly 23. The first eliminating piece 21 is slidably disposed at a first end of the protecting tube 30, and is parallel to the first side plate 31, and configured to slide from a position of the first side plate 31 to a position of the third side plate 33, so as to eliminate tumor tissue. The second eliminating piece 22 is slidably disposed at the first end of the protecting tube 30, and is disposed in parallel with the first eliminating piece 21 for sliding at the position of the third side plate 33 to the position of the first side plate 31 to eliminate the tumor tissue. The number of the transmission assemblies 23 is at least two, the two transmission assemblies 23 are respectively arranged between the second side plate 32 and the suction tube 10 and between the fourth side plate 34 and the suction tube 10, and are respectively hinged with the first eliminating part 21 and the second eliminating part 22, so as to drive the first eliminating part 21 and the second eliminating part 22 to slide relatively or back to back, so as to eliminate the tumor tissue. The inner walls of the second side plate 32 and the fourth side plate 34 are provided with sliding grooves for the sliding of the first eliminating part 21 and the second eliminating part 22, and two ends of the first eliminating part 21 and two ends of the second eliminating part 22 are respectively inserted into the sliding grooves. The relative movement of the first eliminating part 21 and the second eliminating part 22 can ensure the root of the tumor tissue to be cut, and the first eliminating part 21 and the second eliminating part 22 can be over against the tumor tissue to ensure the complete elimination of the tumor tissue.
As an embodiment of the negative pressure type tumor elimination apparatus provided by the embodiment of the present invention, please refer to fig. 1 and 8, each transmission assembly 23 includes a rotation shaft 231, a first connection rod 232, and a second connection rod 233. The rotating shaft 231 is disposed between the second side plate 32 and the suction pipe 10 or between the fourth side plate 34 and the suction pipe 10, the rotating shaft 231 is located on a vertical center line of the second side plate 32 or the fourth side plate 34, and an axis of the rotating shaft is perpendicular to the vertical center line of the second side plate 32 or the fourth side plate 34. The first connecting rod 232 has a first end of the first connecting rod 232 and a second end of the first connecting rod 232 opposite to the first end of the first connecting rod 232, the first end of the first connecting rod 232 is hinged to the first eliminating member 21, the first connecting rod 232 is hinged to the rotating shaft 231, the first connecting rod 232 is provided with a first through hole for the rotating shaft 231 to pass through, and the second end of the first connecting rod 232 is connected to the sliding sleeve 40 and is used for driving the first eliminating member 21 to slide under the driving of the sliding sleeve 40. The second link 233 has a first end of the second link 233 and a second end of the second link 233 opposite to the first end of the second link 233, the first end of the second link 233 is hinged to the second eliminating member 22, the second link 233 is hinged to the rotating shaft 231, the second link 233 is provided with a second through hole for the rotating shaft 231 to pass through, the second link 233 is crossed with the first link 232, and the second end of the second link 233 is connected to the sliding sleeve 40 and is used for driving the second eliminating member 22 to slide under the driving of the sliding sleeve 40. The inner wall surface of the second side plate 32, the outer wall of the suction pipe 10 opposite to the second side plate 32, the inner wall surface of the fourth side plate 34, and the outer wall of the suction pipe 10 opposite to the fourth side plate 34 are provided with elongated grooves for the rotation shaft 231 to slide along the length direction of the suction pipe 10.
In this embodiment, the first connecting rod 232 and the second connecting rod 233 intersect to form a scissors-shaped structure, and the first eliminating member 21 and the second eliminating member 22 are driven to slide relatively or reversely by the lever principle, so that the structure is simple and the operation is convenient. In addition, the elongated groove 11 can accommodate the slight sliding of the rotating shaft 231, because the first end of the first link 232 and the first end of the second link 233 sweep an arc-shaped path, and the first canceling member 21 and the second canceling member 22 move in a linear path, the relative rotation of the first link 232 and the second link 233 is compensated by the sliding of the rotating shaft 231, so that the first canceling member 21 and the second canceling member 22 slide stably. Stable elimination of the tumor by the first and second eliminating members 21 and 22 can be ensured.
Referring to fig. 1 and 8 together, as a specific implementation of the negative pressure tumor elimination apparatus provided in the embodiment of the present invention, an end surface of the first end of the suction tube 10 abuts against the first elimination part 21 or the second elimination part 22. The structure can limit the first eliminating part 21 and the second eliminating part 22 on the basis of the sliding groove, so that the sliding stability of the first eliminating part 21 and the second eliminating part 22 is ensured.
Referring to fig. 1 and 8 together, as a specific implementation manner of the negative pressure type tumor removal device provided by the embodiment of the present invention, a flange structure 35 is disposed at an end portion of the first end of the protection tube 30, the flange structure 35 extends along a direction perpendicular to a length direction of the suction tube 10, and an extending end surface is flush with an inner wall surface of the suction tube 10. The flanging structure 35 can ensure that the first eliminating part 21 and the second eliminating part 22 can be hidden after moving back to back, so as to prevent the first eliminating part 21 and the second eliminating part 22 from extending into the wound of the patient or scratching other parts of the wound of the patient in the process of taking out the wound of the patient, and avoid secondary injury in the process of eliminating the tumor.
As a specific embodiment of the negative pressure type tumor removing apparatus provided by the embodiment of the present invention, please refer to fig. 1 and fig. 8 together, the sliding sleeve 40 has a rectangular shape structure, wherein the inner walls of two opposite side plates are provided with a limiting portion 41 for driving the first connecting rod 232 and the second connecting rod 233 to rotate relatively, and the limiting portion 41 passes through the second side plate 32 or the fourth side plate 34 and is in sliding contact with the second end of the first connecting rod 232 and the second end of the second connecting rod 233. The second side plate 32 and the fourth side plate 34 are provided with rectangular openings 36 for the limiting parts 41 to pass through. The sliding sleeve 40 can facilitate control of the first and second eliminators 21, 22 by the practitioner.
The limiting part can be two oblique triangular limiting bosses symmetrically arranged along the vertical center line of the sliding sleeve 40, the middle parts of the two bosses are used for placing the second end of the first connecting rod 232 and the second end of the second connecting rod 233, and then the sliding sleeve 40 slides, the limiting bosses are abutted against the first connecting rod 232 and the second connecting rod 233, and the first connecting rod 232 and the second connecting rod 233 are relatively rotated (moved close to each other) to realize the relative movement of the first eliminating part 21 and the second eliminating part 22, so that the tumor is eliminated. The limiting members may also be two obliquely disposed limiting strips symmetrically disposed along the vertical center line of the sliding sleeve 40, and the principle of the mutual action of the limiting bosses and the first and second connecting rods 232 and 233 is the same, which is not described herein again.
Referring to fig. 1 and 8 together, a resilient assembly 50 includes a sliding plate 51 and a spring 52. The sliding plate 51 is slidably disposed between the suction pipe 10 and the protection pipe 30, and is configured to slide along the length direction of the suction pipe 10, and the sliding plate 51 is provided with a tip end configured to be inserted between the second end of the first link 232 and the second end of the second link 233, and is configured to open the first link 232 and the second link 233, so that the first link 232 and the second link 233 rotate back to back. The spring 52 is disposed between the suction pipe 10 and the protection pipe 30, one end of the spring is connected to or abutted against one end of the sliding plate 51, and the other end of the spring is connected to or abutted against a fixed block disposed on the inner wall of the protection pipe 30, for springing the sliding plate 51 to slide toward the second end of the suction pipe 10. The rebounding assembly 50 can ensure that the second ends of the first connecting rod 232 and the second connecting rod 233 which are close to each other are far away from each other, so that the first cutter and the second cutter can move back to back, and the secondary removing work is facilitated.
Referring to fig. 1 and 8 together, a sliding plate 51 is provided with a strip opening 511, the strip opening 511 is disposed on a vertical central line of the sliding plate 51, the inner wall of the sliding sleeve 40 is provided with a bolt 42 for inserting the strip opening 511, and the bolt 42 is used for pushing the sliding plate 51 to slide reversely. The sliding plate 51 is connected with the sliding sleeve 40, and can ensure that when the sliding sleeve 40 drives the first connecting rod 232 and the second connecting rod 233 to approach each other, the sliding plate 51 is driven to move reversely, so as to prevent the first connecting rod 232 and the second connecting rod 233 from being interfered by the sliding plate 51 when approaching each other. Moreover, the structure is convenient for the stable connection and placement of the sliding sleeve 40, and is convenient for the tumor elimination work.
As an embodiment of the negative pressure type tumor removal device provided by the embodiment of the present invention, please refer to fig. 1 and 8 together, the suction tube 10 has a rectangular shape, and the inner diameter of the protection tube 30 is larger than the outer diameter of the suction tube 10, that is, a space is formed between the suction tube 10 and the protection tube 30, so as to facilitate the placement of the first connecting rod 232, the second connecting rod 233 and the resilient member 50.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The negative pressure type tumor eliminating device is characterized by comprising a suction pipe, an eliminating mechanism, a protection pipe, a sliding sleeve and a rebound assembly; the suction tube is provided with a first end of the suction tube and a second end of the suction tube opposite to the first end of the suction tube, the first end of the suction tube is used for extending into a wound of a patient and sucking tumor tissues into the suction tube, and the second end of the suction tube is connected with the negative pressure device or the negative pressure air bag through a flexible tube; the eliminating mechanism is arranged on the outer side plate of the suction tube and is used for sliding along the direction vertical to the central axis of the suction tube so as to eliminate the tumor tissue absorbed by the first end of the suction tube; the protective tube is provided with a first protective tube end and a second protective tube end opposite to the first protective tube end, the protective tube is sleeved on the peripheral surface of the suction tube, and the first protective tube end protrudes out of the first end of the suction tube along the length direction of the suction tube and is used for protecting the suction tube and limiting the eliminating mechanism; the protection tube comprises a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate and the third side plate are oppositely arranged, the second side plate and the fourth side plate are oppositely arranged, and the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected and used for enclosing together to form a rectangular structural body; the sliding sleeve is sleeved on the outer peripheral surface of the protection tube in a sliding manner and used for driving the eliminating mechanism to eliminate the tumor tissues absorbed by the first end of the absorption tube; the rebound assembly is positioned between the protection tube and the suction tube and used for rebounding and sliding along the length direction of the suction tube so as to restore the eliminating mechanism to the initial position;
the eliminating mechanism comprises a first eliminating piece, a second eliminating piece and a transmission assembly; the first eliminating piece is arranged on the protecting tube in a sliding mode and located at the first end of the protecting tube, the first eliminating piece is arranged along the normal direction of the first side plate and used for sliding from the position of the first side plate to the position of the third side plate so as to eliminate tumor tissues; the second eliminating piece is arranged on the protecting tube in a sliding mode and located at the first end of the protecting tube, arranged along the normal direction of the third side plate and opposite to the first eliminating piece, and used for sliding towards the position of the first side plate at the position of the third side plate so as to eliminate tumor tissues; the inner walls of the second side plate and the fourth side plate are provided with sliding grooves for the sliding of the first eliminating piece and the second eliminating piece, and two ends of the first eliminating piece and two ends of the second eliminating piece are respectively inserted into the sliding grooves; the two transmission assemblies are respectively arranged between the second side plate and the suction pipe and between the fourth side plate and the suction pipe, are respectively hinged with the first eliminating part and the second eliminating part and are used for driving the first eliminating part and the second eliminating part to relatively slide or oppositely slide so as to eliminate tumor tissues; each transmission assembly comprises a rotating shaft, a first connecting rod and a second connecting rod; the rotating shaft is arranged between the second side plate and the suction pipe or between the fourth side plate and the suction pipe, the rotating shaft is positioned on a vertical central line of the second side plate or the fourth side plate, and an axis of the rotating shaft is perpendicular to the vertical central line of the second side plate or the fourth side plate; the first connecting rod is provided with a first connecting rod first end and a first connecting rod second end opposite to the first connecting rod first end, the first connecting rod first end is hinged with the first eliminating part, the first connecting rod is hinged with the rotating shaft, the first connecting rod is provided with a first through hole for the rotating shaft to pass through, and the first connecting rod second end is connected with the sliding sleeve and used for driving the first eliminating part to slide under the driving of the sliding sleeve; the second connecting rod is provided with a second connecting rod first end and a second connecting rod second end opposite to the second connecting rod first end, the second connecting rod first end is hinged with the second eliminating part, the second connecting rod is hinged with the rotating shaft, the second connecting rod is provided with a second through hole for the rotating shaft to pass through, the second connecting rod is crossed with the first connecting rod, and the second connecting rod second end is connected with the sliding sleeve and is used for driving the second eliminating part to slide under the driving of the sliding sleeve; the inner wall surface of the second side plate, the outer side wall of the suction tube opposite to the second side plate, the inner wall surface of the fourth side plate and the outer side wall of the suction tube opposite to the fourth side plate are respectively provided with a strip-shaped groove for the rotating shaft to slide along the length direction of the suction tube.
2. The negative pressure tumor elimination device of claim 1, wherein an end surface of the first end of the aspiration tube abuts the first elimination member or the second elimination member.
3. The negative pressure type tumor elimination apparatus of claim 2, wherein the end of the first end of the protection tube is provided with a flange structure, the flange structure extends along a direction perpendicular to the length direction of the suction tube, and the extending end surface is flush with the inner wall surface of the suction tube.
4. The negative pressure type tumor elimination device of claim 3, wherein the sliding sleeve has a rectangular shape, wherein two opposite side plates are provided on the inner wall thereof with a limiting portion for driving the first connecting rod and the second connecting rod to rotate relatively, and the limiting portion passes through the second side plate or the fourth side plate and is in sliding contact with the second end of the first connecting rod and the second end of the second connecting rod;
the second side plate and the fourth side plate are provided with rectangular openings for the limiting parts to pass through.
5. The negative pressure tumor ablation device of claim 4, wherein the spring back assembly comprises:
the sliding plate is arranged between the suction pipe and the protection pipe in a sliding mode and used for sliding along the length direction of the suction pipe, and the sliding plate is provided with a tip end which is used for being inserted between the second end of the first connecting rod and the second end of the second connecting rod and used for expanding the first connecting rod and the second connecting rod so as to enable the first connecting rod and the second connecting rod to rotate oppositely; and
the spring, set up in the suction tube with between the protection tube, one end with the one end of slide links to each other, the other end with set up in fixed block on the protection tube inner wall links to each other, is used for the elasticity the slide to suction tube second end slides.
6. The negative pressure type tumor elimination device of claim 5, wherein the sliding plate is provided with a strip port, the strip port is arranged on a vertical center line of the sliding plate, the inner wall of the sliding sleeve is provided with a plug pin for inserting the strip port, and the plug pin is used for pushing the sliding plate to slide reversely.
7. The negative pressure type tumor elimination device of claim 6, wherein the suction tube has a rectangular outer shape, and the inner diameter of the protection tube is larger than the outer diameter of the suction tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363573.2A CN112472883B (en) | 2020-11-27 | 2020-11-27 | Negative pressure type tumor eliminating device |
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| CN205493886U (en) * | 2016-02-20 | 2016-08-24 | 邹子方 | Medical clinical tumour sampler |
| CN110101433A (en) * | 2019-06-04 | 2019-08-09 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of negative pressure absorbing formula devices for tumor ablation |
| CN110101434A (en) * | 2019-06-04 | 2019-08-09 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of tumor micro-wound surgical resection apparatus |
| CN209437292U (en) * | 2018-09-17 | 2019-09-27 | 中国人民解放军陆军总医院 | Disposable endoscopic tumor sampling device |
| CN211583274U (en) * | 2020-01-17 | 2020-09-29 | 新疆医科大学第三附属医院 | Lung cancer tumour sampling device |
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| US20140148729A1 (en) * | 2012-11-29 | 2014-05-29 | Gregory P. Schmitz | Micro-mechanical devices and methods for brain tumor removal |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205493886U (en) * | 2016-02-20 | 2016-08-24 | 邹子方 | Medical clinical tumour sampler |
| CN209437292U (en) * | 2018-09-17 | 2019-09-27 | 中国人民解放军陆军总医院 | Disposable endoscopic tumor sampling device |
| CN110101433A (en) * | 2019-06-04 | 2019-08-09 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of negative pressure absorbing formula devices for tumor ablation |
| CN110101434A (en) * | 2019-06-04 | 2019-08-09 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of tumor micro-wound surgical resection apparatus |
| CN211583274U (en) * | 2020-01-17 | 2020-09-29 | 新疆医科大学第三附属医院 | Lung cancer tumour sampling device |
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