CN110680416B - Lower limb varicose vein sealing mechanism and sealing method - Google Patents
Lower limb varicose vein sealing mechanism and sealing method Download PDFInfo
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- CN110680416B CN110680416B CN201911021262.5A CN201911021262A CN110680416B CN 110680416 B CN110680416 B CN 110680416B CN 201911021262 A CN201911021262 A CN 201911021262A CN 110680416 B CN110680416 B CN 110680416B
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- 206010046996 Varicose vein Diseases 0.000 title claims abstract description 30
- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 title abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000008280 blood Substances 0.000 claims description 4
- 210000004369 blood Anatomy 0.000 claims description 4
- 208000027185 varicose disease Diseases 0.000 abstract description 10
- 238000011282 treatment Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- JJJFUHOGVZWXNQ-UHFFFAOYSA-N enbucrilate Chemical group CCCCOC(=O)C(=C)C#N JJJFUHOGVZWXNQ-UHFFFAOYSA-N 0.000 description 2
- 229950010048 enbucrilate Drugs 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000013532 laser treatment Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003364 biologic glue Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- RPQUGMLCZLGZTG-UHFFFAOYSA-N octyl cyanoacrylate Chemical compound CCCCCCCCOC(=O)C(=C)C#N RPQUGMLCZLGZTG-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 201000005060 thrombophlebitis Diseases 0.000 description 1
- 239000003106 tissue adhesive Substances 0.000 description 1
Classifications
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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
- A61B17/00491—Surgical glue applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00778—Operations on blood vessels
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a lower limb varicose vein sealing mechanism, which comprises a rubber tube and a rubber gun; a hose body of the hose is provided with a hose outlet; the glue gun comprises a gun head, a gun body and a gun handle; the gun head is provided with a front opening, and the rear part of the gun body is provided with a rear opening; the rubber tube penetrates through the gun body through the front opening and the rear opening; the gun body is internally provided with a first gear, a driving wheel and a second gear from front to back; sequentially engaging the three components; a rubber tube pressing wheel set and a rubber tube moving wheel set are arranged in the gun body back and forth; the rubber tube pressing wheel group can press the rubber tube to make the rubber tube discharged; a driving device is arranged in the gun handle, and a driving gear is arranged on the driving device; the driving gear extends into the gun body and is meshed with the second gear. In addition, the invention also relates to a method for closing the varicose veins of the lower limbs by adopting the mechanism. The mechanism has the advantages of simple structure, convenient operation, strong continuity and stable and uniform glue discharge; meanwhile, the glue outlet is arranged to be openable and closable, so that the problem that misoperation is avoided or the glue pipe does not reach a preset position yet, and the closed glue flows out is solved.
Description
Technical Field
The invention relates to the field of lower limb varicose vein medical instruments, in particular to a lower limb varicose vein sealing mechanism and a method for sealing lower limb varicose veins by adopting the mechanism.
Background
Varicose veins of the lower extremities are one of the most common diseases of surgery. The traditional operation is high-position ligation and suction stripping, the method is thoroughly used, but has the disadvantages of large operation damage, more scars, attractive appearance influence and higher recurrence rate. Other methods such as foam hardener treatment have incomplete treatment effects, especially poor treatment effect on coarse varicose veins, high recurrence rate and Chang Jifa thrombophlebitis; the heat treatment technologies such as intracavity laser treatment and radio frequency treatment require special equipment, anesthesia is required, and heat damage to skin and saphenous nerves often occurs, and the treatment on finer varicose veins or varicose veins which are buckled up cannot be performed. Biological glue or tissue glue is applied to the adhesive treatment of varicose veins of lower limbs, and the effect of closing varicose veins can be achieved. The adhesive bonding does not need anesthesia and no heat loss, and can achieve the same curative effect as the intracavity laser treatment and the radio frequency treatment.
However, how to simply, continuously, uniformly and stably send the closure gum to a designated position is a problem to be studied by using a varicose vein closure instrument of the closure gum; at present, a mode of manually extruding by adding an ultrasonic probe into glue at intervals is commonly used, namely, a certain amount of glue is injected after a rubber tube enters human tissues, and the ultrasonic probe is used for manually extruding to solidify tissue sealing glue; then the rubber tube moves outwards, is injected for the second time after a certain distance, is extruded, and the like; this approach is intermittent, lacking in continuity and stability.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the lower limb varicose vein sealing mechanism capable of simply, continuously, uniformly and stably conveying the closing adhesive to the designated position and the method for sealing the lower limb varicose vein by adopting the mechanism.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a lower limb varicose vein closing mechanism which characterized in that: comprises a rubber tube and a rubber gun; the rubber pipe comprises a pipe body, and a rubber outlet is formed in the side wall, close to the front end part, of the pipe body; the glue gun comprises a gun head, a gun body and a gun handle; the gun head is provided with a front opening, and the rear part of the gun body is provided with a rear opening; the front opening and the rear opening are communicated with the internal space of the gun body, and the rubber tube penetrates through the gun body through the front opening and the rear opening; the gun body is internally provided with a first gear, a driving wheel and a second gear from front to back in sequence; the first gear is meshed with the transmission gear, and the transmission gear is meshed with the second gear respectively; a rubber tube pressing wheel set and a rubber tube moving wheel set are arranged in the gun body back and forth; two rubber tube pinch rollers are symmetrically arranged on two sides of the rubber tube in the rubber tube pinch roller set, the distance between the two rubber tube pinch rollers is smaller than the outer diameter of the rubber tube, and one rubber tube pinch roller is coaxially arranged on the first gear; two rubber tube moving wheels are symmetrically arranged on two sides of the rubber tube, the rubber tube can be clamped by the two rubber tube moving wheels, and one rubber tube moving wheel is coaxially arranged on the second gear; a driving device is arranged in the gun handle; a driving gear is arranged on the rotating shaft of the driving device; the driving gear stretches into the gun body to be meshed with the second gear, and enables the second gear to rotate inwards.
As a more preferable scheme, the rubber tube further comprises a plugging piece, a plugging piece gear, a rotary control piece and a positioning sheath; the front end part of the tube body is provided with a gear cavity; the rotary gear and the mouth blocking piece gear are arranged in the gear cavity and are meshed with each other; the rotary control piece is connected with the rotary gear and can drive the rotary gear to rotate; the blocking piece gear is connected with a blocking piece arranged in the pipe body and can drive the blocking piece to rotate and enable the blocking piece to seal or open the glue outlet; the locating sheath is connected with the front end part of the tube body.
As a more preferable scheme, the plugging piece is a cylinder with a chamfer or a notch at the rear end part, and the circumference outer diameter of the cylinder is matched with the inner diameter of the rubber pipe body; the front end part of the plugging piece is fixedly connected with a gear of the plugging piece; the chamfer or the notch corresponds to the glue outlet.
As a more preferable mode, the rotary control member is a guide wire, a soft rope body or a soft tube, and is rotatably arranged in a through hole extending along the length direction of the tube body in the tube wall along the axial direction.
As a more preferable scheme, a guide wire through hole and a blood return tube are also arranged in the wall of the tube body.
As a preferable scheme, a telescopic ejector rod is further arranged in the gun body; one end of the telescopic ejector rod is connected with an elastic part arranged on the side wall of the gun body, and the other end of the telescopic ejector rod is laterally connected with a central shaft of a rubber tube pinch roller which is not arranged on the first gear; at least two telescopic ejector rods are arranged.
As a preferable scheme, the front opening is a horn mouth; and one end of the horn mouth with a large size faces forward.
As a preferable scheme, a pair of supporting wheels are symmetrically arranged on two sides of the rubber tube in the gun body.
As a preferable scheme, a power supply and a relay are also arranged in the gun handle; the gun handle is also provided with a rubber tube movement control button.
The invention also provides a method for closing the varicose veins of the lower limb by adopting the mechanism, which is characterized in that: the method comprises the following steps:
(1) Sleeving the binding belt on the external skin of the affected part and compacting;
(2) Positioning the glue line into the body tissue to be closed; starting the lower limb varicose vein closing mechanism to enable the rubber tube to move outside human tissues and enable the closed rubber in the rubber tube to continuously flow out of the rubber outlet and remain at an affected part under the extrusion of the rubber tube pressing wheel set;
(3) The binding belt is pressed and kept for 30-150s to solidify the closing glue, thus completing the closing process.
The beneficial technical effects of the invention are mainly as follows: the lower limb varicose vein sealing mechanism can simply, continuously, accurately, uniformly and stably convey the closing adhesive to the designated position and the method for sealing the lower limb varicose vein by adopting the mechanism are provided; the mechanism has the advantages of simple structure, convenient operation, strong continuity, stable and uniform glue discharge, safer operation and smaller error; meanwhile, the glue outlet is arranged to be openable and closable, so that the problem that misoperation is avoided or the glue pipe does not reach a preset position yet, and the closed glue flows out is solved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view (top view) of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view (front view) of a preferred embodiment of the present invention.
Fig. 3 is a schematic view (rear view) of the preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of the support wheel of the present invention.
Fig. 5 is a schematic view of the appearance of the hose of the present invention.
Fig. 6 is a schematic structural view of the hose of the present invention (with the outlet open).
Fig. 7 is a schematic structural view of the hose of the present invention (the outlet is closed).
In the figure: 1 is a rubber tube, 11 is a tube body, 111 is a rubber tube mark, 12 is a mouth blocking piece, 13 is a mouth blocking piece gear, 14 is a rotary gear, 15 is a rotary control piece, 16 is a positioning soft sheath, 17 is a rubber outlet, 18 is a guide wire through hole, 19 is a blood return tube, 2 is a rubber gun, 21 is a gun head, 211 is a front opening, 22 is a gun body, 220 is a viewing window, 221 is a rear opening, 222 is a first gear, 223 is a driving wheel, 224 is a second gear, 225 is a rubber tube pinch roller, 225a is a rubber tube pinch roller central shaft, 226 is a rubber tube moving wheel, 227 is a telescopic ejector rod, 228 is an elastic component, 229 is a supporting wheel, 23 is a gun handle, 231 is a driving device, 232 is a driving gear, 233 is a power supply, 234 is a relay, 235 is a rubber tube movement control button, and 24 is a gun head cap.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention. It should be noted that the words "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1-7, a lower limb varicose vein sealing mechanism comprises a rubber tube 1 and a rubber gun 2; the hose 1 is fitted through the hose gun.
The rubber tube 1 comprises a hollow tube body 11, a plugging piece 12, a plugging piece gear 13, a rotary gear 14, a rotary control piece 15 and a positioning soft sheath 16; the front end part of the tube body 11 (taking the direction of the tube body 1 entering the human body as the front and the same as the lower part) is provided with a gear cavity (not shown because of assembly), and the side wall of the tube body 11 close to the front end part is provided with a glue outlet 17; the rotary control member 15 is a guide wire and is arranged in a through hole in the pipe wall of the pipe body 11, the through hole extends along the length direction of the pipe body 11, and the rotary control member 15 (guide wire) can rotate in the through hole by taking the axial direction of the rotary control member (guide wire) as a rotary shaft; the rear end of the rotary control member 15 (guide wire) extends out of the rear part of the tube body 11, so that the operation is convenient; the front end is connected with the rotary gear 14, and the rotary gear 14 is driven to rotate through rotation; the rotary gear 14 and the mouth piece gear 13 are both arranged in the gear cavity and mutually meshed (namely, the rotary gear 14 can drive the mouth piece gear 13 to rotate); the plugging piece 12 is a cylinder with an inclined section at the rear end part and is arranged in the pipe body 11; the circumference outer diameter of the plugging piece 12 is equal to the inner diameter of the rubber tube body 11, and the chamfer surface corresponds to the position of the rubber outlet 17; the front end part of the plugging piece 12 is fixedly connected with a plugging piece gear 13, and the plugging piece gear 13 can drive the plugging piece 12 to rotate; the position relationship between the chamfer of the plugging piece 12 and the glue outlet 17 is changed by the rotation of the plugging piece 12; when the chamfer of the plugging piece 12 faces away from the glue outlet 17, the side circumference of the plugging piece 12 completely plugs the glue outlet 17, and the closing glue in the pipe body 11 cannot flow out from the glue outlet 17; when the plugging piece 12 rotates, the chamfer begins to turn to the glue outlet 17, the plugging piece 12 cannot completely plug the glue outlet 17, and the glue outlet 17 is gradually opened; when the chamfer of the plugging piece 12 is completely opposite to the glue outlet 17, the glue outlet 17 is completely opened, and the closing glue in the pipe body 11 can flow out without obstruction; the positioning soft sheath 16 is connected with the front end part of the tube body 11; the side wall of the plugging piece 12 close to the front end part is provided with an annular groove, and the corresponding position in the pipe body 11 is provided with an annular protrusion; the blocking piece 12 can not move back and forth by the engagement of the annular grooves and the annular protrusions; in addition, a guide wire through hole 18 and a blood return tube 19 are also arranged in the tube wall of the outer tube 11.
The glue gun 2 comprises a gun head 21, a gun body 22 and a gun handle 23; the gun head 21 is provided with a front opening 211 (the front opening 211 is a horn mouth, one end with a large size faces forward and is convenient for the insertion of the rubber tube 11), the rear part of the gun body is provided with a rear opening 221, and the front opening 211 and the rear opening 221 are communicated with the inner space of the gun body 22; the rubber tube 1 is inserted from the front opening 211, horizontally penetrates through the gun body 22 and then passes out from the rear opening 221; the gun body 22 is internally provided with a first gear 222, a driving wheel 223 and a second gear 224 from front to back (taking the gun head 21 as the front and the same below) in sequence, and the three gears are connected with the inner side of the bottom wall of the gun body 22 through respective central shafts and can rotate on a horizontal plane; the first gear 222 is meshed with the transmission gear 223, and the transmission gear 223 is meshed with the second gear 224; a rubber tube pressing wheel set and a rubber tube moving wheel set are arranged in the gun body 22 back and forth; the rubber tube pressing wheel sets are symmetrically provided with two rubber tube pressing wheels 225 on two sides of the rubber tube 11, the distance between the two rubber tube pressing wheels 225 is smaller than the outer diameter of the rubber tube 11 and larger than twice the wall thickness of the rubber tube 11 (preferably, the distance between the two rubber tube pressing wheels 225 is in the interval from the wall thickness of the rubber tube 11 to the wall thickness of the rubber tube 11 plus 0.5 mm); one of the rubber tube pinch rollers 225 is coaxially and fixedly connected to the first gear 222, and can rotate along with the rotation of the first gear 222, and the other rubber tube pinch roller 225 can freely rotate on a horizontal plane, and the side surface of a vertically arranged central shaft 225a is connected with one end of a horizontally arranged telescopic ejector rod 227; the other end of the telescopic ejector rod 227 is connected with an elastic component 228 arranged on the side wall of the gun body 22, and the telescopic direction of the elastic component 228 points to a rubber tube pinch roller central shaft 225a; the two telescopic ejector rods 227 are arranged up and down, so that the stability of the arrangement of the rubber tube pinch roller 225 is ensured; two rubber tube moving wheels 226 are symmetrically arranged on two sides of the rubber tube 11 in the rubber tube moving wheel set, the two rubber tube moving wheels 226 can clamp the rubber tube 11, one rubber tube moving wheel 226 is coaxially and fixedly connected to the second gear 224 and can rotate along with the rotation of the second gear 224, and the other rubber tube moving wheel 226 is connected with the inner side of the bottom wall of the gun body 22 through a central shaft and can freely rotate on a horizontal plane; in addition, a pair of supporting wheels 229 are symmetrically arranged on both sides of the rubber tube 11 in the gun body 22; the side surface of the supporting wheel 229 is provided with a concave cambered surface which is attached to the pipe body 11, so that the rubber pipe 11 is supported, and the pipe body 11 of the rubber pipe cannot sag; a driving device 231 is arranged in the gun handle 23; the drive 231 is a motor or other conventional device; a driving gear 232 is arranged on the rotating shaft of the driving device 231; the driving gear 232 extends into the gun body 22 to be meshed with the second gear 224 and rotate inwards (taking the direction towards the rubber tube 1 as the inner direction, the same applies below); a power supply 233 and a relay 234 are also arranged in the gun handle 23; a hose movement control knob 235 is also provided on the gun handle 23.
The glue gun 2 also comprises a gun head cap 24 sleeved on the gun head 21, and the gun head cap 24 is provided with a through hole for the glue tube 11 to pass through; the gun body 22 is provided with an observation window 220 on the top wall of the front part of the rubber tube pressing wheel set, and the observation window 220 is opposite to the rubber tube body 11 assembled in the rubber gun 2; the surface of the rubber tube body 11 is provided with 3 marks 111 which respectively correspond to the front end of the gun head cap 24, the observation window 220 and the rear end face of the gun body rear opening 221.
When in use, the utility model is characterized in that: firstly, adding a closing adhesive (the main component of the closing adhesive is n-butyl cyanoacrylate, n-butyl cyanoacrylate or octyl cyanoacrylate) into a rubber tube 1 from the rear end part, and closing the rear end part; the rubber tube 1 is inserted from the front opening 211 of the rubber gun 2, horizontally penetrates through the gun body 22, penetrates through a gap between the rubber tube pressing wheel 255 and the rubber tube moving wheel 226, and then penetrates out from the rear opening 221 (because the central shaft 225a of one rubber tube pressing wheel 225 is laterally connected with the telescopic ejector rod 227, when the rubber tube 1 is inserted into the gap between the two rubber tube pressing wheels 225 of the rubber tube pressing wheel group, one rubber tube pressing wheel 225 moves towards the side wall direction of the gun body 22, so that the gap between the two rubber tube pressing wheels 225 is enlarged, and the rubber tube 1 can be smoothly inserted; sleeving a gun head cap 24, and penetrating the rubber tube 1 out of the through hole of the gun head cap 24; the front and back adjustment is carried out, so that 3 marks on the pipe body 11 respectively correspond to the positions of the front end of the gun head cap 24, the observation window 220 and the rear end face of the gun body rear opening 221; positioning the glue line 1 into the body tissue to be closed; the rotary control member 15 (guide wire) is rotated to enable the rotary gear 14 to rotate, so that the mouth blocking member gear 13 is driven to rotate, and finally the mouth blocking member 12 is rotated to enable the glue outlet 17 to be opened; simultaneously, the rubber tube movement control button 235 is pressed to start the driving device 231; the driving gear 232 starts to rotate and drives the second gear 224 to rotate inwards, so that the driving wheel 223 is driven to rotate outwards, and the first gear 222 is driven to rotate inwards; one hose moving wheel 226 also rotates inwards under the action of the second gear 224, and is matched with the other side of the hose moving wheel 226 capable of rotating freely so that the hose 1 clamped between the two wheels moves backwards (continuously outwards from the rear opening 221); the rubber tube 1 is extruded by the rubber tube pressing wheel 225 in the backward movement process, so that the closed rubber moves forwards and flows out of the rubber outlet 17 for treatment; the hose 1 is continuously moved backwards, and the hose pinch roller 225 continuously extrudes the closure adhesive until the treatment is finished.
The method for closing the varicose veins of the lower limb by adopting the mechanism comprises the following steps:
(1) Sleeving the binding belt or other compressible mechanism on the external skin of the affected part and compressing;
(2) Positioning the glue line 1 into the body tissue to be closed; starting a lower limb varicose vein closing mechanism to enable the rubber tube 1 to move outside human tissues and enable the closed rubber in the rubber tube 1 to continuously flow out from a rubber outlet 17 and remain at an affected part under the extrusion of a rubber tube pressing wheel set;
(3) The binding belt is pressed and kept for 30-150s to solidify the closing glue, thus completing the closing process.
The method can lead the closed glue to be continuously discharged and extruded, so that the whole treatment process is more continuous, the glue discharge is more uniform, and the possibility of error is smaller; meanwhile, compared with the traditional method, the binding belt can be pressed on the external skin of an affected part for a longer time, so that the closing effect is better.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A lower limb varicose vein closing mechanism, which is characterized in that: comprises a rubber tube and a rubber gun; the rubber pipe comprises a pipe body, and a rubber outlet is formed in the side wall, close to the front end part, of the pipe body; the glue gun comprises a gun head, a gun body and a gun handle; the gun head is provided with a front opening, and the rear part of the gun body is provided with a rear opening; the front opening and the rear opening are communicated with the internal space of the gun body, and the rubber tube penetrates through the gun body through the front opening and the rear opening; the gun body is internally provided with a first gear, a driving wheel and a second gear from front to back in sequence; the first gear is meshed with the transmission gear, and the transmission gear is meshed with the second gear respectively; a rubber tube pressing wheel set and a rubber tube moving wheel set are arranged in the gun body back and forth; two rubber tube pinch rollers are symmetrically arranged on two sides of the rubber tube in the rubber tube pinch roller set, the distance between the two rubber tube pinch rollers is smaller than the outer diameter of the rubber tube, and one rubber tube pinch roller is coaxially arranged on the first gear; two rubber tube moving wheels are symmetrically arranged on two sides of the rubber tube, the rubber tube is clamped by the two rubber tube moving wheels, and one rubber tube moving wheel is coaxially arranged on the second gear; a driving device is arranged in the gun handle; a driving gear is arranged on the rotating shaft of the driving device; the driving gear stretches into the gun body to be meshed with the second gear, and enables the second gear to rotate inwards;
The rubber tube also comprises a mouth blocking piece, a mouth blocking piece gear, a rotary control piece and a positioning sheath; the front end part of the tube body is provided with a gear cavity; the rotary gear and the mouth blocking piece gear are arranged in the gear cavity and are meshed with each other; the rotary control piece is connected with the rotary gear and drives the rotary gear to rotate; the blocking piece gear is connected with a blocking piece arranged in the pipe body, drives the blocking piece to rotate and enables the blocking piece to close or open the glue outlet; the positioning sheath is connected with the front end part of the tube body;
The plugging piece is a cylinder with a chamfer or a notch at the rear end part, and the circumferential outer diameter of the cylinder is matched with the inner diameter of the rubber pipe body; the front end part of the plugging piece is fixedly connected with a gear of the plugging piece; the chamfer or the notch corresponds to the glue outlet;
A telescopic ejector rod is also arranged in the gun body; one end of the telescopic ejector rod is connected with an elastic part arranged on the side wall of the gun body, and the other end of the telescopic ejector rod is laterally connected with a central shaft of a rubber tube pinch roller which is not arranged on the first gear; at least two telescopic ejector rods are arranged.
2. The lower extremity varicose vein occlusion mechanism of claim 1, wherein: the rotary control member is a guide wire, a soft rope body or a soft pipe and is arranged in a through hole extending along the length direction of the pipe body in the pipe wall in an axial rotation manner.
3. The lower extremity varicose vein occlusion mechanism of claim 1, wherein: a guide wire through hole and a blood return tube are also arranged in the tube wall of the tube body.
4. The lower extremity varicose vein occlusion mechanism of claim 1, wherein: the front opening is a horn mouth; and one end of the horn mouth with a large size faces forward.
5. The lower extremity varicose vein occlusion mechanism of claim 1, wherein: a pair of supporting wheels are symmetrically arranged on two sides of the rubber tube in the gun body.
6. The lower extremity varicose vein occlusion mechanism of claim 1, wherein: a power supply and a relay are also arranged in the gun handle; the gun handle is also provided with a rubber tube movement control button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021262.5A CN110680416B (en) | 2019-10-25 | 2019-10-25 | Lower limb varicose vein sealing mechanism and sealing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021262.5A CN110680416B (en) | 2019-10-25 | 2019-10-25 | Lower limb varicose vein sealing mechanism and sealing method |
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| Publication Number | Publication Date |
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| CN110680416A CN110680416A (en) | 2020-01-14 |
| CN110680416B true CN110680416B (en) | 2024-05-10 |
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| CN201911021262.5A Active CN110680416B (en) | 2019-10-25 | 2019-10-25 | Lower limb varicose vein sealing mechanism and sealing method |
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| CN113262008A (en) * | 2021-06-11 | 2021-08-17 | 卫纳塞德(北京)医疗科技有限公司 | Novel glue spraying gun |
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| CN211131193U (en) * | 2019-10-25 | 2020-07-31 | 苏州特普新智能科技有限公司 | Lower limb varicose vein closing mechanism |
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2019
- 2019-10-25 CN CN201911021262.5A patent/CN110680416B/en active Active
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|---|---|---|---|---|
| CN104107792A (en) * | 2014-06-30 | 2014-10-22 | 湖州水平玻璃有限公司 | Gluing gun |
| WO2017010953A1 (en) * | 2015-07-15 | 2017-01-19 | Dinc Rasit | Surgical glue application gun |
| CN105750170A (en) * | 2016-04-08 | 2016-07-13 | 文登蓝岛建筑工程有限公司 | Electric glue gun |
| CN209187877U (en) * | 2017-12-26 | 2019-08-02 | 无锡市人民医院 | A kind of tissue glue's pistol type injection device |
| CN211131193U (en) * | 2019-10-25 | 2020-07-31 | 苏州特普新智能科技有限公司 | Lower limb varicose vein closing mechanism |
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| CN110680416A (en) | 2020-01-14 |
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