CN110384540B - Multifunctional elastic thread ligation device - Google Patents
Multifunctional elastic thread ligation device Download PDFInfo
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- CN110384540B CN110384540B CN201910652913.4A CN201910652913A CN110384540B CN 110384540 B CN110384540 B CN 110384540B CN 201910652913 A CN201910652913 A CN 201910652913A CN 110384540 B CN110384540 B CN 110384540B
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- 238000003860 storage Methods 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 210000000436 anus Anatomy 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 76
- 238000010438 heat treatment Methods 0.000 claims description 40
- 229920000728 polyester Polymers 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 17
- 208000027418 Wounds and injury Diseases 0.000 description 17
- 230000006698 induction Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32056—Surgical snare instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B2017/12018—Elastic band ligators
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- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a multifunctional elastic thread ligation device, which comprises a gun body, wherein a thread collecting device and a negative pressure pipe are arranged on the gun body; the wire collecting device comprises a wire collecting driving device, a wire reel, a wire storage box, a guide device and a plurality of flexible wires, wherein the flexible wires are respectively wound on the guide device, the flexible wires are respectively wound in the wire storage box and pass through the wire storage box, the lengths of the flexible wires wound in the wire storage box are respectively unequal, one ends of the flexible wires, which are close to the wire storage box, are respectively wound on the wire reel, and the wire reel is in transmission connection with the wire collecting driving device; one end of the flexible wire, which is close to the guiding device, is connected with an elastic wire, and the elastic wire is sleeved on the gun head of the gun body in a slipknot manner; one end of the negative pressure pipe extends to the gun head and is communicated with the outside, and the other end of the negative pressure pipe is connected with the negative pressure device; the gun head is internally provided with a detection channel, and the gun head is sleeved with an anus lens cone. The invention is applied to the field of medical instruments.
Description
Technical Field
The invention relates to the technology of medical instruments, in particular to a multifunctional elastic wire ligation device.
Background
When the elastic thread loop ligature device in the market is used for taking up, manual winding is adopted, and a mode better than manual winding is that electric driving winding is adopted, and the electric driving winding is adopted, so that an elastic thread is required to be correspondingly provided with a motor or corresponding power equipment, and the fact that one motor can wind up a plurality of elastic threads cannot be achieved. Therefore, a plurality of motors are needed for one elastic thread ligation device, the manufacturing cost is increased, and the structure is complex.
The patent document with the application number of CN109124718A discloses an elastic thread ligation device with a thread winding device and an elastic thread setting method, wherein the elastic thread ligation device comprises a gun head, a gun body, a negative pressure pipe and at least one elastic thread, the gun head is of a hollow tubular structure, at least one threading hole is formed in the wall of the gun head, the threading hole comprises a first hole opening arranged at the front end of the threading hole and a second hole opening arranged at the rear end of the threading hole, the first hole opening is arranged at the end part of the pipe opening at the front end of the gun head, the second hole opening is arranged on the pipe wall of the gun head, the negative pressure pipe penetrates the gun body and extends to the gun head after being connected with the negative pressure device, and at least one electric driving device is arranged on the gun body; the elastic wire is sleeved on the outer wall of the gun head in a slipknot mode, penetrates through the first orifice, penetrates through the threading hole, and then penetrates out of the second orifice to be connected with the electric driving device; the diameter of the threading hole is larger than that of the elastic thread and smaller than that of the slipknot, and each elastic thread corresponds to one threading hole.
The elastic thread ligation device in the comparison document has the advantages that one stepping motor can be used for coiling two elastic threads, one stepping motor can not be used for coiling three or four elastic threads, and the structure is still complex, so that the elastic thread ligation device is not convenient to use.
In addition, the elastic thread ligation device in the comparison document can not detect the affected part of the patient, and if the affected part of the patient needs to be detected, additional detection equipment is needed.
Disclosure of Invention
The invention mainly aims to provide the multifunctional elastic thread ligation device which can be used for coiling a plurality of elastic threads by only one coiling driving device and detecting affected parts of patients, and has the advantages of low manufacturing cost, simple structure and convenience in operation.
In order to achieve the above purpose, the invention provides a multifunctional elastic thread ligation device, which comprises a gun body, wherein a thread take-up device and a negative pressure pipe are arranged on the gun body;
The wire collecting device comprises a wire collecting driving device, a wire spool, a wire storage box, a guide device and a plurality of flexible wires, wherein the flexible wires are respectively wound on the guide device, the flexible wires are respectively wound in the wire storage box and pass through the wire storage box, the lengths of the flexible wires wound in the wire storage box are respectively unequal, one ends of the flexible wires, which are close to the wire storage box, are respectively wound on the wire spool, and the wire spool is in transmission connection with the wire collecting driving device;
One end of the flexible wire, which is close to the guiding device, is connected with an elastic wire, and the elastic wire is sleeved on the gun head of the gun body in a slipknot mode;
one end of the negative pressure pipe extends to the gun head and is communicated with the outside, and the other end of the negative pressure pipe is connected with the negative pressure device;
the gun head is internally provided with a detection channel, the detection channel extends to the rear end of the gun body, the gun head is sleeved with an anus barrel, one end of the negative pressure pipe extends to the gun head and is communicated with the outside, and the other end of the negative pressure pipe is connected with the negative pressure device.
Further improved, the wire storage box comprises a box body, a plurality of wire storage pieces are inserted into the box body, the number of the wire storage pieces is equal to that of the flexible wires, and the flexible wires are wound on the corresponding wire storage pieces one by one.
Further improved, the wire storage piece is internally provided with a first threading hole, two ends of the first threading hole are respectively positioned at two end faces of the wire storage piece, and one end of each flexible wire close to the wire spool penetrates through the first threading hole and then is wound on the wire spool.
Further improved, the detection channel is internally provided with a detection element.
Further improved, the gun body is further provided with a wire cutting device, the wire cutting device comprises fuse pieces arranged on the gun head, the number of the fuse pieces is equal to that of elastic wires, each elastic wire corresponds to one fuse piece, the fuse pieces are provided with heating devices, the front ends of the fuse pieces are propped against the corresponding elastic wires, and the front ends of the fuse pieces are one ends close to the end parts of the gun head.
Further improved, the guiding device comprises a rotating rod which is rotatably arranged in the gun body, a plurality of guiding wheels are arranged on the rotating rod, the number of the guiding wheels is equal to that of the flexible wires, and each flexible wire is wound on the corresponding guiding wheel one by one.
Further improved, a plurality of second threading holes are axially formed along the gun head, the number of the second threading holes is equal to that of the elastic wires, the second threading holes are distributed on the same side of the gun head, the second threading holes are distributed along the circumferential direction of the gun head, and the slipknots of the elastic wires are sleeved on the gun head and respectively penetrate through the corresponding second threading holes;
The diameters of guide wheels from the middle to the two ends of the rotating rod are sequentially increased.
Further improved, the wire reel comprises a wire winding rod, the wire winding rod is rotationally arranged on the gun body, a wire winding wheel is arranged on the wire winding rod, a plurality of wire winding grooves are formed in the circumferential direction of the wire winding wheel, the number of the wire winding grooves is not less than that of flexible wires, and the wire winding rod is in transmission connection with a wire winding driving device.
Further improved, the wire winding driving device comprises a wire winding driving piece and a first gear, the wire winding driving piece is arranged on the gun body, a second gear is arranged on the wire winding driving piece, the first gear is arranged on the wire winding rod, and the first gear is meshed with the second gear.
Further improved, the flexible wire is polyester wire, polyester wire and elastic wire are connected through binding post, each polyester wire is wound on guider respectively, and each polyester wire is still wound in the setting storage box respectively and passes the storage box.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
Before the elastic thread ligation device is used for treating a patient, the elastic thread ligation device slides into anus through the anus lens cone, so that the operation is convenient on one hand, and on the other hand, the affected part of the patient can be observed and detected through the detection channel combined with the anus lens cone. No additional detection equipment is needed for detecting the patient. According to the invention, the negative pressure at the gun head is sleeved on an affected part of a patient, after the negative pressure device generates negative pressure, the movable knot formed by the elastic thread is sleeved on the affected part of the patient through the winding device for winding, the winding disc is driven to rotate through the winding driving device of the winding device, and when the winding disc rotates, the winding disc simultaneously winds the flexible threads, and as the lengths of the flexible threads wound in the wire storage box are respectively unequal, the winding ends of the flexible threads can be pulled at different moments, the flexible threads are positioned at one end of the guiding device and are winding ends, and the guiding device can guide the flexible threads to prevent the flexible threads from interfering with each other. The invention can take up a plurality of flexible wires by only one take-up driving device without interference. In principle, the invention only needs to arrange one wire-collecting driving device, and can collect the plurality of elastic wires by only needing one wire-collecting driving device without interference, thereby saving the manufacturing cost and simplifying the structure. Only one winding driving device is required to be controlled for winding the plurality of elastic wires, so that the operation is simpler.
In the wire winding mode in the patent document with the application number of CN109124718A, one stepping motor can only wind two elastic wires at most, but the wire winding driving device does not have the limitation, in theory, one wire winding driving device can wind two elastic wires, three elastic wires, four elastic wires, five elastic wires and six elastic wires.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a stretch wire ligation device;
FIG. 2 is an enlarged schematic view of a portion of the portion A of FIG. 1;
FIG. 3 is a schematic view of the elastic wire ligation device in a disassembled state;
FIG. 4 is another exploded view of the elastic wire loop ligator;
FIG. 5 is a schematic diagram of a wire storage box;
FIG. 6 is a schematic view of another construction of the magazine;
FIG. 7 is a schematic diagram of a yarn storage sheet and polyester yarn;
FIG. 8 is a schematic view of a wire storage plate structure;
Fig. 9 is a schematic structural view of an anal lens barrel;
fig. 10 is another structural schematic view of the anal lens barrel;
FIG. 11 is a schematic view of a portion of a gun head for fuse wire cutting;
FIG. 12 is a schematic view of the relationship of the tangent bar, pusher plate, telescoping drive;
FIG. 13 is a schematic view of the relationship between the gun head and the tangent line bar.
The labels in the figures are shown below:
1, a gun body; 2a negative pressure pipe; 3 elastic wires, 31 polyester wires, 32 tangent rods, 33 pushing plates; the gun head is 4, the second threading hole is 41, the fuse link is 42, the corner is 43, the gun barrel is 44, the cover plate is 45, the connecting hole is 46, the connecting column is 47, and the detection channel is 48; 5 guiding device, 51 turning rod, 52 guiding wheel; 6 wire storage boxes, 61 box bodies, 611 clamping holes, 62 wire storage sheets, 621 clamping pieces, 622 first threading holes and 63 upright posts; 7 wire reels, 71 wire winding rods, 72 wire winding wheels, 73 wire winding grooves; 8 a wire-rewinding driving piece, 81 a first gear and 82 a second gear; 9 anus drawtube, 91 clamping strip, 92 clamping seat, 93 concave hole, 94 bulge.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two or more, for example, three or the like, unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Referring to fig. 1 to 13, an elastic thread ligation device comprises a gun body 1, wherein the gun body 1 is provided with the thread take-up device and a negative pressure pipe 2;
The wire collecting device comprises a wire collecting driving device, a wire reel 7, a wire storage box 6, a guiding device 5 and a plurality of flexible wires, wherein the flexible wires are respectively wound on the guiding device 5, the flexible wires are respectively wound in the wire storage box 6 and penetrate through the wire storage box 6, the lengths of the flexible wires wound in the wire storage box 6 are respectively unequal, one ends of the flexible wires, which are close to the wire storage box 6, are respectively wound on the wire reel 7, and the wire reel 7 is connected with the wire collecting driving device in a transmission mode. Because the length of each flexible wire wound in the wire storage box 6 is not equal, when the wire winding driving device drives the wire reel 7 to rotate for winding, the flexible wires can be sequentially tightened, and the flexible wires are not interfered with each other, are not affected with each other, are easy to operate, and simplify the structure.
One end of the flexible wire, which is close to the guiding device 5, is connected with an elastic wire 3, and the elastic wire 3 is sleeved on the gun head 4 of the gun body 1 in a slipknot mode;
One end of the negative pressure pipe 2 extends to the gun head 4 and is communicated with the outside, the other end of the negative pressure pipe 2 is connected with a negative pressure device, the negative pressure device is a negative pressure machine, a detection channel 48 is arranged in the gun head 4, the detection channel 48 extends to the gun body 1, an anus lens cone 9 is sleeved on the gun head 4, one end of the negative pressure pipe 2 extends to the gun head 4 and is communicated with the outside, and the other end of the negative pressure pipe 2 is connected with the negative pressure device. When or before the elastic thread ligation device is used for treating a patient, the elastic thread ligation device slides into anus through the anus lens cone 9, so that the operation is convenient, and on the other hand, the affected part of the patient can be observed and detected through the detection channel 48 and the anus lens cone 9. Therefore, compared with the existing ligature device, the ligature device disclosed by the embodiment also has a detection function. In order to save space and prevent the negative pressure pipe 2 from interfering with the detection channel 48, the negative pressure pipe 2 is led out from the gun head 4 and then extends to the rear end of the gun body 1 from the outside to be connected with a negative pressure device.
It is further preferred that the detection channel 48 is internally provided with a detection element, which is a camera-like tool capable of detecting the condition of the affected part of the patient. Specifically, the detection element is an endoscope.
It is further preferable that the front end of the anal barrel 9 is inclined so that the contact surface between the gun head 4 and the intestinal wall is increased during operation, thereby facilitating tissue aspiration during ligation operation.
Further preferably, the inclined plane forms an included angle of 12-25 degrees with the barrel surface of the anal barrel 9, and preferably, the included angle is 15 degrees.
It is further preferred that the diameter of the front end of the anal barrel 9 is smaller than the diameter of the rear end of the anal barrel 9, the front end of the anal barrel 9 is the end close to the end of the gun head 4, and the rear end of the anal barrel 9 is the end close to the rear end of the gun body 1, so that the gun head 4 with the anal barrel 9 can conveniently slide into the anus.
Further preferably, a snap-in fixing device is arranged between the anus barrel 9 and the gun head 4, and the anus barrel 9 and the gun head 4 are convenient to assemble and disassemble through the snap-in fixing device.
Further preferably, the snap-in fixing device comprises a clamping strip 91 and a clamping seat 92, wherein the clamping strip 91 is arranged on the outer wall of the gun head 4, the clamping strip 91 is axially arranged along the gun head 4, the clamping seat 92 comprises two parallel clamping plates, the two clamping plates are arranged on the inner wall of the anal lens barrel 9, the two clamping plates are axially arranged along the anal lens barrel 9, and the two clamping plates and the clamping strip 91 form snap-in fit. When the anus drawtube 9 is sleeved on the gun head 4, the two clamping plates are clamped on the clamping strip 91, so that the connection between the anus drawtube 9 and the gun head 4 is firmer.
Further preferably, the opposite surfaces of the two clamping plates are respectively provided with a concave hole 93, and two sides of the clamping strip 91 are respectively provided with a protrusion 94 matched with the concave holes 93. The connection between the anal lens barrel 9 and the gun head 4 is firmer by the cooperation between the concave hole 93 and the convex 94.
Further preferably, the number of the snap-in fixing devices is plural, and each snap-in fixing device is distributed along the circumferential direction of the outer wall of the gun head 4 and the circumferential direction of the inner wall of the anal barrel 9. Preferably, the number of the snap-in fixing devices is four, and the four snap-in fixing devices are uniformly distributed along the circumferential direction of the outer wall of the gun head 4 and the circumferential direction of the inner wall of the anal barrel 9, so that the connection between the anal barrel 9 and the gun head 4 is firmer.
In this embodiment, the wire storage box 6 includes a box body 61, a plurality of wire storage plates 62 are inserted in the box body 61, the number of the wire storage plates 62 is equal to the number of the flexible wires, and each flexible wire is wound on the corresponding wire storage plate 62 one by one. The inside of the box 61 is hollow, and a plurality of wire storage plates 62 may be inserted in sequence, and in this embodiment, the number of wire storage plates 62 is four. The top and bottom of the box 61 are respectively provided with a plurality of stand columns 63, and the box 61 is detachably fixed on the gun body 1 through the stand columns 63. The wire storage piece 62 is provided with a card 621, the box body 61 is provided with a card hole 611, and the wire storage piece 62 is fixedly connected inside the box body 61 through the cooperation of the card 621 and the card hole 611.
In this embodiment, a first threading hole 622 is provided in the wire storage plate 62, two ends of the first threading hole 622 are respectively located at two end faces of the wire storage plate 62, and one end of each flexible wire, which is close to the wire spool 7, passes through the corresponding first threading hole 622 and then is wound on the wire spool 7. The first threading holes 622 have guiding function on the flexible wires, and when the wire spool 7 rotates to take up the wires, the flexible wires are respectively taken up in the corresponding first threading holes 622, so that the flexible wires are prevented from being mutually interfered.
In this embodiment, the gun body 1 is further provided with a wire cutting device, the wire cutting device includes fuse links 42 disposed on the gun head 4, the number of the fuse links 42 is equal to that of the elastic wires 3, each elastic wire 3 corresponds to one fuse link 42, the fuse links 42 are provided with a heating device, the front ends of the fuse links 42 are abutted to the corresponding elastic wires 3, and the front ends of the fuse links 42 are one ends close to the end of the gun head 4. When the elastic thread 3 is pulled during winding, the elastic thread 3 is contacted with the front end of the fuse piece 42, the fuse piece 42 is heated by the heating device, the fuse piece 42 is quickly heated to more than 100 ℃ in a short time, the elastic thread 3 reaches the limit value of fusing under the action of high temperature, and the fuse piece 42 is heated for a short time, and only a process of instantaneously generating high temperature on the heating piece to fuse the elastic thread 3 is performed, so that the parts such as the gun head 4 are not fused, and the other parts are not influenced.
It is further preferred that the gun head 4 is provided with a corner 43, and the front end of the fuse link 42 is disposed near the corner 43, and each elastic thread 3 passes between the corresponding fuse link 42 and the corner 43. When the elastic thread 3 is wound up at the corner 43, the contact between the fuse link 42 and the elastic thread 3 is more compact, so that the fusing of the elastic thread 3 can be quickened, and even the target temperature required by the fuse link 42 is reduced.
Further preferably, the heating means is a resistive heating means, which is an electrical heating of the object by thermal energy generated by the joule effect of an electric current flowing through the conductor. Heating is to make electric current pass through an electric heating element or a conductive medium, such as a resistance wire, a thermistor (PTC), an electric heating film, etc., so that the electric heating element firstly generates heat, and then indirectly heats a target object by using heat generated by the electric heating element in a heat conduction, heat convection or heat radiation mode, for example: the heat is fast. The resistance heating apparatus of this embodiment includes heating wires provided at both ends of the fuse link 42, the heating wires being electrically connected to the heating control switch and the power supply device, respectively.
Further preferably, the heating device is an induction heating device, and the induction heating is a method of generating an electric current in the heated material by electromagnetic induction, and the heating is performed by means of energy of the eddy currents. The heating plate is connected to a power supply which supplies an alternating current to the heating plate, the alternating current flowing through the heating plate producing an alternating magnetic field through the workpiece which causes the workpiece to generate eddy currents for heating. The induction heating device comprises an induction heating coil, the induction heating coil is connected with the fuse link 42 in a contact way, and the induction heating coil is respectively electrically connected with a heating control switch and a power supply device.
Further preferably, the heating device is an infrared heating device, the infrared heating technology irradiates the heated material by utilizing infrared rays emitted by a hot object source, so that internal molecules and atoms are resonated to generate heat energy after the material absorbs far infrared rays, the purpose of heating is achieved (such as an infrared baking finish machine and a dryer), the infrared heating device comprises an infrared heating pipe, infrared rays emitted by the infrared heating pipe are emitted on the fuse link 42, and the infrared heating pipe is respectively connected with an infrared heating switch and a power supply device.
Further preferably, the heating device is an arc heating device that heats the object using a high temperature generated by the arc.
Further preferably, the heating device is an electron beam heating device, and the electron beam heating device bombards the surface of the object with electrons moving at a high speed under the action of an electric field, so that the object is heated.
Further preferably, the gun head 4 comprises a gun barrel 44 and a cover plate 45, the cover plate 45 is detachably fastened on the gun barrel 44, the fuse link 42 is embedded between the gun barrel 44 and the cover plate 45, each elastic wire 3 respectively passes through the gun barrel 44 and the cover plate 45, one end of the negative pressure pipe 2 extends to the gun barrel 44 and is communicated with the outside, and the other end of the negative pressure pipe 2 is connected with the negative pressure device. The fusible link 42 is covered by the cover plate 45 and the gun barrel 44, so that the fusible link 42 cannot be contacted with a patient, and influence and injury to the patient are avoided. In particular, the gun barrel 44 and the gun head 4 are made of heat-insulating and high-temperature-resistant materials, so that damage to patients can be better avoided, and the fuse link 42 is prevented from damaging the gun barrel 44, the cover plate 45 and the like.
Further preferably, the cover plate 45 is provided with a connecting hole 46, the gun barrel 44 is provided with a connecting column 47 matched with the connecting hole 46, and the cover plate 45 and the gun barrel 44 are detachably connected through the connecting hole 46 and the connecting column 47. The cover plate 45 and the gun barrel 44 are convenient to assemble and disassemble through the connecting holes 46 and the connecting posts 47.
The thread cutting device in this embodiment may further adopt another implementation manner, where the thread cutting device includes a thread cutting rod 32 movably disposed on the gun body 1, a blade is formed at a front end of the thread cutting rod 32, the blade is abutted to a slipknot formed by the elastic threads 3, the number of the thread cutting rods 32 is equal to that of the elastic threads 3, each elastic thread 3 corresponds to one thread cutting rod 32, a rear end of the thread cutting rod 32 is opposite to an output end of the telescopic driving device, each telescopic driving device corresponds to a plurality of thread cutting rods 32, and distances between rear ends of the thread cutting rods 32 corresponding to the same telescopic driving device and the output end of the telescopic driving device are unequal.
It is further preferred that only one telescopic drive is in principle required, but it is also possible if two or more telescopic drives are provided, each of which can correspond to a plurality of tangent bars 32. As shown in fig. 12 and 13, the number of the elastic wires 3 and the tangent rods 32 in fig. 12 and 13 is four, but one telescopic driving device may be provided. For example, the distances between the rear ends of the four tangent rods 32 and the output end of the telescopic driving device are 3mm, 6mm, 9mm and 12mm in sequence, and when the wire is cut, the output end of the telescopic driving device extends forwards, and firstly the elastic wire 3 with the distance of 3mm is cut. When the wire is cut again, the output end of the telescopic driving device moves forward for 3mm again, so that the elastic wire 3 with the original distance of 6mm can be cut, and the rest elastic wires 3 can be cut in sequence and do not interfere with each other. The operation is also simpler.
Further preferably, the output end of the telescopic driving device is provided with a pushing plate 33, the plate surface of the pushing plate 33 is opposite to the rear end of each corresponding tangent rod 32, and the distances between the rear end of each tangent rod 32 corresponding to the same pushing plate 33 and the plate surface of the pushing plate 33 are not equal. The pushing plate 33 can increase the contact surface with each tangent rod 32, so as to facilitate pushing the tangent rod 32. If no push plate 33 is provided, it is necessary that the output end of the telescopic drive has a sufficient contact surface with each tangent rod 32. Of course, in this condition, the pushing plate 33 is still more effective.
Further preferably, the telescopic driving device comprises a telescopic driving piece and a telescopic driving switch, the telescopic driving piece is respectively and electrically connected with the telescopic driving switch and the power supply device, and the telescopic driving switch is arranged on the gun body 1.
Further preferably, the telescoping drive is a linear motor having a relatively constant thrust force, thereby providing a constant shear force to the tangent rod 32.
Further preferably, the telescopic driving member is a hydraulic cylinder, and the thrust of the hydraulic cylinder is larger, so that the tangential rod 32 has larger shearing force.
Further preferably, the telescopic driving member is an air cylinder, and the air cylinder is conveniently controlled, so that the tangent rod 32 is conveniently controlled.
In this embodiment, the guiding device 5 includes a rotating rod 51 rotatably disposed in the gun body 1, a plurality of guiding wheels 52 are disposed on the rotating rod 51, the number of guiding wheels 52 is equal to the number of flexible wires, and each flexible wire is wound on the corresponding guiding wheel 52 one by one. The flexible wires are wound on the wire storage plate 62 again by bypassing the guide wheel 52, so that the mutual interference between the flexible wires can be prevented, and the flexible wires can be more convenient and smooth when being contracted.
In this embodiment, a plurality of second threading holes 41 are axially arranged along the gun head 4, the number of the second threading holes 41 is equal to that of the elastic threads 3, each second threading hole 41 is distributed on the same side of the gun head 4, each second threading hole 41 is circumferentially distributed along the gun head 4, and the movable knots of each elastic thread 3 are sleeved on the gun head 4 and then respectively pass through the corresponding second threading holes 41; the diameter of the guide wheels 52 on the rotating rod 51 increases from the middle to both ends in order. The "elastic thread ligation device with thread cutting device" disclosed in the patent document CN109124717a discloses that the elastic threads 3 are uniformly distributed along the circumferential direction of the gun head 4, whereas in the present embodiment, each elastic thread 3 is distributed only on one side of the gun head 4, so that the volume of the gun head 4 is smaller. In order to adapt to the arrangement of the elastic thread 3 on the same side of the gun head 4, the diameters of the guide wheels 52 from the middle to the two ends of the rotating rod 51 are sequentially increased, that is, the diameters of the guide wheels 52 of the rotating rod 51 near the two ends are larger than the diameters of the guide wheels 52 in the middle of the rotating rod 51.
In this embodiment, the wire spool 7 includes a winding rod 71, the winding rod 71 is rotatably disposed on the gun body 1, a winding reel 72 is disposed on the winding rod 71, a plurality of winding grooves 73 are disposed along a circumferential direction of the winding reel 72, and the number of the winding grooves 73 is not less than the number of flexible wires, and the winding rod 71 is in transmission connection with a winding driving device. Each flexible wire is wound in the corresponding winding groove 73, and each flexible wire is contracted simultaneously when the winding rod 71 rotates, but since the lengths of the flexible wires wound in the wire storage box 6 are not equal, the reels 72 substantially contract different elastic wires 3 at different moments of rotation, and do not affect each other when each elastic wire 3 is contracted.
In this embodiment, the wire winding driving device includes a wire winding driving member 8 and a first gear 81, the wire winding driving member 8 is disposed on the gun body 1, a second gear 82 is disposed on the wire winding driving member 8, the first gear 81 is disposed on the wire winding rod 71, and the first gear 81 is meshed with the second gear 82. The wire-rewinding driving part 8 is a stepping motor, and the stepping motor is connected with a stepping motor controller and power supply equipment. The power of the wire winding driving member 8 is transmitted to the wire winding rod 71 through the first gear 81 and the second gear 82, so that the wire winding rod 71 winds the wire under the rotation of the wire winding driving member 8. The power is transmitted through the first gear 81 and the second gear 82, so that a large load can be transmitted, and the service life is long.
In this embodiment, the flexible thread is a fishing thread, a cotton thread, a polyester thread 31 or other threads with smaller elasticity, and preferably, the flexible thread adopts the polyester thread 31. The polyester yarns 31 are connected with the elastic yarns 3 through connecting terminals, the polyester yarns 31 are respectively wound on the guide device 5, and the polyester yarns 31 are also respectively wound in the wire storage box 6 and pass through the wire storage box 6. The polyester yarn 31 has no elasticity as large as the elastic yarn 3, and the polyester yarn 31 is more suitable for winding up than the elastic yarn 3. The elastic thread 3 and the polyester thread 31 are connected through a connecting terminal, and the connecting terminal is a structure such as a clip capable of connecting the elastic thread 3 and the polyester thread. Alternatively, the elastic thread 3 and the polyester thread 31 may be connected by knotting.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The multifunctional elastic thread ligation device is characterized by comprising a gun body, wherein a thread collecting device and a negative pressure pipe are arranged on the gun body;
the wire collecting device comprises a wire collecting driving device, a wire spool, a wire storage box, a guide device and a plurality of flexible wires, wherein the flexible wires are respectively wound on the guide device, the flexible wires are respectively wound in the wire storage box and pass through the wire storage box, the lengths of the flexible wires wound in the wire storage box are respectively unequal, one ends of the flexible wires, which are close to the wire storage box, are respectively wound on the wire spool, and the wire spool is in transmission connection with the wire collecting driving device; when the wire winding driving device drives the wire winding disc to rotate for winding, each flexible wire is sequentially tightened;
One end of the flexible wire, which is close to the guiding device, is connected with an elastic wire, and the elastic wire is sleeved on the gun head of the gun body in a slipknot mode; the elastic wire is connected with the flexible wire through a connecting terminal;
one end of the negative pressure pipe extends to the gun head and is communicated with the outside, and the other end of the negative pressure pipe is connected with the negative pressure device;
the gun head is internally provided with a detection channel, the detection channel extends to the rear end of the gun body, the gun head is sleeved with an anus barrel, one end of the negative pressure pipe extends to the gun head and is communicated with the outside, and the other end of the negative pressure pipe is connected with the negative pressure device.
2. The multifunctional elastic thread ligation device according to claim 1, wherein the thread storage box comprises a box body, a plurality of thread storage pieces are inserted into the box body, the number of the thread storage pieces is equal to that of the flexible threads, and each flexible thread is wound on the corresponding thread storage piece one by one.
3. The multifunctional elastic thread ligation device according to claim 2, wherein a first threading hole is formed in the thread storage sheet, and two ends of the first threading hole are respectively positioned on the thread storage sheet;
And two end surfaces of the sheet, wherein one end of each flexible wire, which is close to the wire spool, passes through the first threading hole and then is wound on the wire spool.
4. The multi-function elastic thread ligation device according to claim 1, wherein the detection channel is internally provided with a detection element.
5. The multifunctional elastic thread ligation device according to claim 1, wherein the gun body is further provided with a thread cutting device, the thread cutting device comprises fuse pieces arranged on the gun head, the number of the fuse pieces is equal to that of the elastic threads, each elastic thread corresponds to one fuse piece, the fuse pieces are provided with heating devices, the front ends of the fuse pieces are abutted to the corresponding elastic threads, and the front ends of the fuse pieces are the ends close to the end parts of the gun head.
6. The multifunctional elastic thread ligation device according to claim 1, wherein the guiding device comprises a rotating rod rotatably arranged in the gun body, a plurality of guiding wheels are arranged on the rotating rod, the number of the guiding wheels is equal to that of the flexible threads, and each flexible thread is wound on the corresponding guiding wheel one by one.
7. The multifunctional elastic thread ligation device according to claim 6, wherein a plurality of second threading holes are axially formed along the gun head, the number of the second threading holes is equal to that of the elastic threads, the second threading holes are distributed on the same side of the gun head, the second threading holes are distributed along the circumferential direction of the gun head, and the slipknots of the elastic threads are sleeved on the gun head and respectively pass through the corresponding second threading holes;
The diameters of guide wheels from the middle to the two ends of the rotating rod are sequentially increased.
8. The multifunctional elastic thread ligation device according to claim 1, wherein the wire spool comprises a winding rod, the winding rod is rotatably arranged on the gun body, a winding wheel is arranged on the winding rod, a plurality of winding grooves are formed in the circumferential direction of the winding wheel, the number of the winding grooves is not less than that of flexible threads, and the winding rod is in transmission connection with the wire reeling driving device.
9. The multifunctional elastic thread ligation device according to claim 8, wherein the wire winding driving device comprises a wire winding driving member and a first gear, the wire winding driving member is arranged on the gun body, a second gear is arranged on the wire winding driving member, the first gear is arranged on the wire winding rod, and the first gear is meshed with the second gear.
10. The multifunctional elastic thread ligation device according to claim 1, wherein the flexible thread is a polyester thread, the polyester thread is connected with the elastic thread through a connecting terminal, each polyester thread is wound on the guide device, and each polyester thread is further wound in a thread storage box and penetrates through the thread storage box.
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| CN201910652913.4A CN110384540B (en) | 2019-07-19 | 2019-07-19 | Multifunctional elastic thread ligation device |
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| CN201910652913.4A CN110384540B (en) | 2019-07-19 | 2019-07-19 | Multifunctional elastic thread ligation device |
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| CN110384540A (en) | 2019-10-29 |
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