CN111317543B - Multi-functional strutting clearing device of neural intervention - Google Patents

Multi-functional strutting clearing device of neural intervention Download PDF

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Publication number
CN111317543B
CN111317543B CN202010208224.7A CN202010208224A CN111317543B CN 111317543 B CN111317543 B CN 111317543B CN 202010208224 A CN202010208224 A CN 202010208224A CN 111317543 B CN111317543 B CN 111317543B
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pipe
sleeve
low
spoon
length
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CN111317543A (en
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李祥欣
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Nanyang City Center Hospital
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Nanyang City Center Hospital
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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
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • 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
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320708—Curettes, e.g. hollow scraping instruments
    • 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
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/32075—Pullback cutting; combined forward and pullback cutting, e.g. with cutters at both sides of the plaque
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22054—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation with two balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22055—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation with three or more balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
    • 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
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B2017/320716—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions comprising means for preventing embolism by dislodged material
    • 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
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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Abstract

The invention relates to a nerve-intervention multifunctional support clearing device.A communicating port is arranged in the end head of a conduit, the communicating port is communicated with the inner cavity of the conduit, an internal thread layer is arranged on the inner wall of the communicating port, the internal thread layer is in threaded connection with an external thread pipe, the outer end of the external thread pipe is connected with a rotating support pipe, the inner end of the external thread pipe is connected with a sleeve, the outer side of the rotating support pipe is connected with a low-pressure adsorption pipe, an electromagnetic valve is arranged on the low-pressure adsorption pipe, and the inner end of the sleeve is connected with a cleaning and digging device; the two fixing tubes are displaced in a staggered mode in a spiral moving mode, and the tumor or the plug position is clamped between the two fixing tubes, so that the lesion position is accurately positioned, and the operation of subsequent operation and construction is facilitated.

Description

Multi-functional clearing device that struts of neural intervention
Technical Field
The invention relates to the field of medicine, in particular to a multifunctional support clearing device for nerve intervention.
Background
Interventional techniques, medical techniques and surgical techniques are together referred to as three major medical techniques; compared with the latter two, the technology is a young technology, is independent of internal and external technologies, and is cross-compatible with the internal and external technologies to develop in a synergistic way. Interventional techniques are divided into three major categories, cardiac interventions, peripheral interventions and neurological interventions, depending on the area of expertise they relate to. Neuro-interventional techniques are known for the treatment of neurological disorders. Under the support of a digital subtraction angiography DSA system, an intravascular catheter operation technology is adopted, and the pathological changes affecting the human neurovascular system are diagnosed and treated by specific methods such as selective angiography, embolism, dilation forming, mechanical clearing, drug delivery and the like. It is a new minimally invasive clinical technology and opens up new ideas and treatment ways for a plurality of cerebral and spinal vascular diseases. Not only can independently solve a plurality of cerebrovascular diseases, but also can be skillfully combined with traditional open surgery, radiotherapy and the like, so that diseases which cannot be or are difficult to treat originally can obtain satisfactory curative effect. With the improvement of understanding and concept of many diseases, the position of the neural intervention technology in the treatment of cerebrovascular diseases is higher and higher, and the neural intervention technology is already a hot subject and is rapidly developed and popularized.
At present, the aneurysm embolization needs to use a catheter to reach the position of an aneurysm in a intracranial blood vessel to carry out embolization removal operation on a tumor body, and the existing nerve insertion micro-catheter has the following defects when in use: firstly, the position of the catheter is not accurately positioned, after the position of the embolism is reached, the adopted fixing operation is single-line fixing, the removal position is roughly found, and in the actual operation, the position of the removal section cannot be accurately controlled and needs to be manually judged by an operator; secondly, when the traditional catheter removes the tumor embolism, the adopted devices and steps have low efficiency, and the closed removal operation cannot be realized on the removal position, so that the thrombus block overflows and unnecessary troubles are caused; thirdly, traditional excision decorative structure is complicated, realizes mechanical transmission's mode at small pipe diameter inside, and the cost is higher to, single structure realizes that accurate mechanical tradition mode control is very inconvenient, influences the effect of excision.
Therefore, the multifunctional supporting and clearing device is simple in structure, convenient to operate, high in working efficiency and operating efficiency, accurate in positioning, various in functions, capable of achieving closed operation, thoroughly clearing and free of residues by adopting a section interval clearing mode, simple in operation implementation mode, accurate in overall control and high in safety coefficient, and has wide market prospect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the nerve intervention multifunctional support clearing device which is simple in structure, convenient to operate, high in working and running efficiency, accurate in positioning, various in functions, capable of performing closed operation, free of residue and high in safety coefficient, adopts a section interval clearing mode, is thoroughly cleared, and is simple in operation implementation mode, accurate in overall control and capable of overcoming the defects in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a multi-functional strutting clearing device of neural intervention, includes the pipe, installs the first definite shadow pipe in pipe one end, installs the pipe end at the pipe other end, the pipe end in be provided with the intercommunication mouth, the intercommunication mouth is linked together with the pipe inner chamber, be provided with the internal thread layer at intercommunication mouthful inner wall, internal thread layer and external screw thread pipe threaded connection, the outer end and the swivel mount pipe of external screw thread pipe are connected, the inner of external screw thread pipe is connected with the sleeve pipe, be connected with the low pressure adsorption tube in the outside of swivel mount pipe, install the solenoid valve on the low pressure adsorption tube, sheathed tube the inner is connected with the clear device of digging.
The cleaning and digging device comprises a head pipe connected with the inner end of a sleeve into a whole, a second fixing pipe is installed at the end part of the head pipe in a threaded connection mode, a plug is fixedly installed at the outer end part of the second fixing pipe, at least two low-pressure air bags are sleeved on the outer wall of the head pipe between the second fixing pipe and the sleeve, digging scoops are uniformly distributed in the circumferential direction of the head pipe between every two adjacent low-pressure air bags, a material leaking hole communicated with the inside of the head pipe is formed in the bottom of each digging scoop, the inside of each low-pressure air bag is communicated with an inflation pipeline through an inflation hole formed in the head pipe, one end of the inflation pipeline is arranged in the inner cavity of the head pipe, and the other end of the inflation pipeline is arranged outside the rotary support pipe.
The pipe be cylindrical hollow tubular structure, the one end fixed connection structure as an organic whole of the inner of first definite shadow pipe and pipe, the inner wall of first definite shadow pipe is linked together with the inner wall of pipe, the external diameter of first definite shadow pipe equals with the external diameter of pipe, the pipe end is cylindrical tubular structure, the external diameter of pipe end is not less than the external diameter of pipe, the internal diameter of intercommunication mouth cooperatees with the internal diameter of pipe, outer screw thread pipe is cylindrical tubular structure, rotatory support pipe is cylindrical tubular structure, the external diameter of rotatory support pipe is not less than the external diameter of outer screw thread pipe, and, the external diameter of rotatory support pipe is not more than the external diameter of pipe end, sleeve pipe and low pressure adsorption tube are cylindrical tubular structure, the internal diameter of sleeve pipe and low pressure adsorption tube equals, the sheathed tube external diameter is not more than the external diameter of outer screw thread pipe, the external diameter of outer screw thread pipe equals with the external diameter of low pressure adsorption tube.
The outer diameter of the sleeve is not larger than the inner diameter of the conduit, the length of the sleeve is not larger than the length of the conduit, and the length of the external thread pipe is equal to the length of the end of the conduit.
The length sum of the end pipe and the sleeve is equal to the length of the guide pipe, the end pipe is of a cylindrical tubular structure, the outer diameter of the end pipe is not larger than the outer diameter of the sleeve, the length of a perpendicular line from the outer end of the scoop to the axial line position of the end pipe is equal to the length of a perpendicular line from the outer wall of the sleeve to the axial line position of the sleeve, the outer diameter of the second fixing pipe is equal to the outer diameter of the guide pipe, the plug is of a hemispherical structure, and the inner side of the second fixing pipe is in threaded connection with the end pipe through the plug pipe connecting threaded pipe.
The low-pressure air bag is adhered to the outer wall of the end pipe through the adhering connection fastening layer, the adhering connection fastening layer and the low-pressure air bag are of an integral structure, the low-pressure air bag is of an annular bag body structure, and the outer diameter of the inflated low-pressure air bag is equal to that of the catheter.
The material leakage hole is formed in the end head pipe on one side of the connecting position of the digging spoon and the end head pipe, the outer side of the material leakage hole is communicated with the root of the digging spoon, and the inner side of the material leakage hole is communicated with the cavity of the end head pipe.
The quantity that the spoon distributes on same end pipe tangent plane be six, six spoons evenly distributed are on the end pipe circumferencial direction in this tangent plane outside, six arrangement orientation unanimous of digging the spoon, every is dug the outer end and all is greater than the length of pipe outer wall to pipe axial position perpendicular line to the perpendicular line of end pipe axial position length of spoon outer end, the quantity in hourglass material hole is unanimous with the quantity of digging the spoon to every leaks material hole is the same with the equal position that sets up of spoon.
The inflation hole is arranged on the end pipe at the inner side of the low-pressure air bag, one side of the inflation hole is communicated with the low-pressure air bag, and the other side of the inflation hole is communicated with the inner cavity of the end pipe.
The top end of the digging spoon is provided with a digging blade head, and the end part of the digging blade head faces to the spoon core part of the digging spoon.
The invention has the following positive effects: the device is convenient to operate, high in working and running efficiency and capable of overcoming the defect that the traditional catheter position is inaccurate in positioning, the device adopts two fixing tubes, realizes positioning of the tumor position by utilizing the two fixing tubes which can move in relative positions, carries out dislocation displacement of the two fixing tubes in a spiral moving mode, clamps the tumor or embolism position between the two fixing tubes, realizes accurate positioning of the lesion position and is beneficial to operation and construction at the later time; secondly, the two air bags are distributed at two ends of a tumor position by adopting a spiral displacement mode and utilizing the movement of the relative position of a double-layer sleeve structure, so that a relatively independent working section is formed between the air bags and the inner wall of a blood vessel, the cleaning operation of the lesion position is realized by utilizing an excavating spoon distributed between the two air bags, the operation utilizes spiral propulsion to rotate, in the rotating process, the excavating operation of the lesion tissue is realized by utilizing an excavating blade head, the excavated tissue is pushed into a tip tube through a leakage hole by utilizing the natural radian of the excavating spoon, after an external electromagnetic valve is opened, redundant tissue is extracted by utilizing low pressure, during the whole cleaning period, the blood vessel section between the two air bags is an independent working area, the cleaning thoroughness is ensured, the number of the air bags is multiple, the length between the two air bags can be realized by utilizing the principle of bolt propulsion according to the lesion position, the corresponding low-pressure air bag is opened by utilizing an external low-pressure inflation mode correspondingly, the length between the two low-pressure air bags is not less than the length of the lesion position, the lesion position is favorably independently isolated processing of the lesion position, and the trouble is reduced; thirdly, this product has adopted the gasbag structure to imbed the sleeve pipe outside, and implement strict control to the external diameter of gasbag, adopt the mode of low pressure air feed, can not cause the injury to the vascular pipe wall, as long as the end cap diameter position can reach and pass through the place, after the gasbag is bloated, can not cause the injury to the vascular pipe wall, the external diameter of the vertical outer anchor ring of digging spoon can not exceed the external diameter of pipe outer wall simultaneously, the external diameter of pipe outer wall equals with the maximum diameter of end cap, guaranteed to be the continuous protection operation to the vascular pipe wall when digging the operation implementation, implemented the efficient under the prerequisite of guaranteeing safety and clear away the operation, the complicated design of traditional inside mechanical type structure has been abandoned, the danger coefficient of equipment has been reduced, clear away simultaneously and dig the operation and adopt the mode implementation of spiral rotation propulsion, stability factor is high, factor of safety is high.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a perspective view of the catheter tip of the present invention.
Fig. 3 is a schematic perspective view of a rotating bracket tube according to the present invention.
Fig. 4 is a schematic view of the protruding structure of the sleeve of the present invention.
FIG. 5 is a schematic diagram of the internal structure of FIG. 4 according to the present invention.
FIG. 6 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 4 according to the present invention.
Fig. 7 is a schematic view of the plug structure of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, 7, a multifunctional nerve-intervention supporting and clearing device comprises a catheter 1, a first fixing tube 5 installed at one end of the catheter 1, and a catheter tip 2 installed at the other end of the catheter 1, wherein a communication port 13 is formed in the catheter tip 2, the communication port 13 is communicated with an inner cavity of the catheter 1, an internal thread layer 14 is arranged on the inner wall of the communication port 13, the internal thread layer 14 is in threaded connection with the external thread tube 7, the whole part of the external thread tube 7 can realize threaded movement on the inner wall of the catheter tip, the external thread tube 7 drives a sleeve 15 to rotate and advance inside the catheter, the sleeve is stably moved by the aid of the threaded advancing manner, the tip tube 16 is further driven to drive a low-pressure air bag and an excavating scoop to move, the operation of clearing redundant tissues of the scoop is realized by the rotating manner, meanwhile, the positioning is realized by the spiral advancing manner, the first fixing tube 5 and the second fixing tube 4 are used, when the lesion-tube 4 and the catheter 1 and the first fixing tube 5 and the lesion tube are relatively displaced, the two low-pressure air bags can be opened according to ensure that the lesion tube is completely opened. The outer end of the external thread pipe 7 is connected with the rotary support pipe 6, the inner end of the external thread pipe 7 is connected with the sleeve 15, the outer side of the rotary support pipe 6 is connected with the low-pressure adsorption pipe 8, the electromagnetic valve 9 is installed on the low-pressure adsorption pipe 8, and the inner end of the sleeve 15 is connected with the dredging device.
The cleaning and digging device comprises a head pipe 16 connected with the inner end of a sleeve 15 into a whole, a second fixing pipe 4 is installed at the end of the head pipe 16 in a threaded connection mode, a plug 3 is fixedly installed at the outer side end of the second fixing pipe 4, at least two low-pressure air bags 17 are sleeved on the outer wall of the head pipe 16 between the second fixing pipe 4 and the sleeve 15, scoops 18 are evenly distributed in the circumferential direction of the head pipe 16 between every two adjacent low-pressure air bags 17, a material leakage hole 19 communicated with the inside of the head pipe 16 is formed in the bottom of each scoop 18, the inside of each low-pressure air bag 17 is communicated with an inflation pipeline 10 through an inflation hole 22 formed in the head pipe 16, one end of the inflation pipeline 10 is arranged in the inner cavity of the head pipe 16, and the other end of the inflation pipeline 10 is arranged outside the rotary support pipe 6. The mode that the cleaning and digging device is hidden in the catheter 1 is adopted, the mode that the external thread tube 7 and the catheter end 2 are pushed in threads after the cleaning and digging device reaches a diseased position is adopted, the sleeve 15 drives the end tube 16 to extend out of the catheter 1 to realize displacement, the purpose of displacement is two, firstly, the hidden low-pressure air bag 17 in the catheter is moved out, the corresponding air bag is determined to be opened according to the length of the diseased position, the whole section of the diseased position is isolated by using the two air bags which are correspondingly opened, the air bags are provided with a plurality of air bags and can be correspondingly opened according to the length of the diseased, the diseased position is ensured to be between the two air bags after being opened, in the process of spiral pushing, the length of the diseased position is determined by using the displacement positions of the two fixing pipelines, the use is convenient and rapid, and the positioning is extremely accurate. The second purpose is to provide a stable support for the external thread pipe 7 to advance by using the conduit end 2 during the spiral rotation process, so as to ensure the stable displacement of the external thread pipe 7.
The pipe 1 is a cylindrical hollow tubular structure, the inner end of the first fixing shadow pipe 5 is fixedly connected with one end of the pipe 1 to form an integral structure, the inner wall of the first fixing shadow pipe 5 is communicated with the inner wall of the pipe 1, the outer diameter of the first fixing shadow pipe 5 is equal to that of the pipe 1, the pipe end 2 is a cylindrical tubular structure, the outer diameter of the pipe end 2 is not smaller than that of the pipe 1, the inner diameter of the communication opening 13 is matched with the inner diameter of the pipe 1, the outer threaded pipe 7 is a cylindrical tubular structure, the rotary support pipe 6 is a cylindrical tubular structure, the outer diameter of the rotary support pipe 6 is not smaller than that of the outer threaded pipe 7, the outer diameter of the rotary support pipe 6 is not larger than that of the pipe end 2, the sleeve pipe 15 and the low-pressure adsorption pipe 8 are both in a cylindrical tubular structure, the sleeve pipe 15 is equal to that of the low-pressure adsorption pipe 8, the outer diameter of the sleeve pipe 15 is not larger than that of the outer threaded pipe 7, and the outer diameter of the outer threaded pipe 7 is equal to that of the low-pressure adsorption pipe 8. The outer diameter of the sleeve 15 is not larger than the inner diameter of the catheter 1, the length of the sleeve 15 is not larger than the length of the catheter 1, and the length of the external thread pipe 7 is equal to the length of the catheter tip 2. The sum of the lengths of the end pipe 16 and the sleeve 15 is equal to the length of the guide pipe 1, the end pipe 16 is of a cylindrical tubular structure, the outer diameter of the end pipe 16 is not larger than the outer diameter of the sleeve 15, the length of a perpendicular line from the outer end of the scoop 18 to the axial position of the end pipe 16 is equal to the length of a perpendicular line from the outer wall of the sleeve 15 to the axial position of the sleeve 15, the outer diameter of the second fixing pipe 4 is equal to the outer diameter of the guide pipe 1, the plug 3 is of a hemispherical structure, and the inner side of the second fixing pipe 4 is in threaded connection with the end pipe 16 through a plug pipe connecting threaded pipe 20.
The pipe diameter and the length of each spare part have been stipulated to the product, specifically in order to guarantee the security in whole operation process, implement the operation between the vascular wall inner wall, utilize outside perspective equipment and photographic fixing equipment to realize the operation and accomplish, must guarantee the security of whole operation process, that is to say the setting of pipe diameter must be reasonable safe, the deployment of the scoop of product and low pressure gasbag must accord with fixed standard, guarantee that the operation can only be implemented in the place that the pipe position can pass through.
The low-pressure air bag 17 is adhered to the outer wall of the end pipe 16 through an adhering connection fastening layer 21, the adhering connection fastening layer 21 and the low-pressure air bag 17 are of an integral structure, the low-pressure air bag 17 is of an annular bag body structure, and the outer diameter of the inflated low-pressure air bag 17 is equal to that of the catheter 1. The spoon 18 is in a spoon body structure, the bottom of the spoon 18 and the outer wall of the end head pipe 16 are of an integral structure, the material leakage hole 19 is formed in the end head pipe 16 on one side of the connecting position of the spoon 18 and the end head pipe 16, the outer side of the material leakage hole 19 is communicated with the root of the spoon 18, and the inner side of the material leakage hole 19 is communicated with the cavity of the end head pipe 16. The quantity that the spoon 18 distribute on same end pipe 16 tangent plane be six, six spoons 18 equal distribution are in the end pipe 16 circumferencial direction in this tangent plane outside, six arrange towards unanimously, every 18 outer ends of spoon to the perpendicular line length of 16 axis positions of end pipe all are not greater than the length of pipe 1 outer wall to the perpendicular line of 1 axis position of pipe, the quantity of weeping hole 19 is unanimous with the quantity of spoon 18 to every weeping hole 19 is the same with the equal position of setting up of spoon 18. The inflation hole 22 is arranged on the end head pipe 16 at the inner side of the low-pressure air bag 17, one side of the inflation hole 22 is communicated with the low-pressure air bag 17, and the other side of the inflation hole 22 is communicated with the inner cavity of the end head pipe 16. The top end part of the digging spoon 18 is provided with a digging blade head 25, and the end part of the digging blade head 25 faces to the spoon core part of the digging spoon 18.
When the product is used: the catheter 1 is placed in a diseased blood vessel by using a catheter technology, the plug 3 is installed in an initial state, and the plug is installed at the outer side end of the end pipe in a threaded connection mode of connecting the plug pipe with the threaded pipe. In the initial state of the device, the catheter 1 is connected with the end tube 16 after the connecting plug and the sleeve 15 and enters the blood vessel completely, and in the initial position, the external thread tube 7 is positioned outside the catheter end 2 and does not enter the communicating opening. This ensures that the stub pipe 16 and the sleeve 15 can be removed from the catheter by the screw propulsion after the externally threaded pipe 7 has been introduced into the catheter tip 2, and that the stub pipe 16 is exposed entirely on the outside, and that the cutting operation is carried out. After the catheter 1 and the plug 3 reach the affected part, the first fixing tube 5 and the second fixing tube 4 realize position marking, the length of the affected part can be judged under the observation of an external developing device, the external thread tube 7 is screwed into the catheter end 2, in the screwing process, the process length of the external thread tube 7 driven by a rotating support tube is the length of the end tube 16 leaking out of the catheter 1, the first fixing tube 5 and the second fixing tube 4 are staggered while moving, the length of the affected part is determined by the matching of the external developing device, after the length of the affected part is determined, the position of a low-pressure air bag is also determined, along with the screw propulsion, the low-pressure air bag leaks out of the catheter, and all the air bags are positioned in front of the fixing tube 5 and the second fixing tube 4, the patient position can be arranged between the two correspondingly opened low-pressure air bags determined by the length, the distance between the two opened low-pressure air bags is ensured to exceed the length of the patient position, the section between the patient position is isolated between the two low-pressure air bags, then the second air bag carries out inflation operation, the external threaded pipe 7 carries out screwing and loosening circulating operation in the catheter end head 2, in the process of repeatedly carrying out the operation, the digging spoon 18 and the digging blade head 25 carry out digging and clear operation on patient tissues, redundant tissues enter the inner cavity of the end head pipe 16 through the material leakage hole 19, and after one end of the operation is carried out, the electromagnetic valve is opened, and the necrotic tissues are extracted to the outside by an external low-pressure negative-pressure extraction device, so that the cleaning operation on the patient position is realized.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (9)

1. The utility model provides a multi-functional clearing device that struts of neural intervention, includes pipe (1), installs first definite image pipe (5) at pipe (1) one end, installs pipe end (2) at the pipe (1) other end, its characterized in that: a communicating port (13) is arranged in the conduit end (2), the communicating port (13) is communicated with the inner cavity of the conduit (1), an internal thread layer (14) is arranged on the inner wall of the communicating port (13), the internal thread layer (14) is in threaded connection with an external thread pipe (7), the outer end of the external thread pipe (7) is connected with a rotating bracket pipe (6), the inner end of the external thread pipe (7) is connected with a sleeve (15), the outer side of the rotating bracket pipe (6) is connected with a low-pressure adsorption pipe (8), an electromagnetic valve (9) is arranged on the low-pressure adsorption pipe (8), and the inner end of the sleeve (15) is connected with a dredging device; the cleaning and digging device comprises a head pipe (16) which is connected with the inner end of a sleeve (15) into a whole, a second fixing pipe (4) is installed at the end part of the head pipe (16) in a threaded connection mode, a plug (3) is fixedly installed at the outer side end part of the second fixing pipe (4), at least two low-pressure air bags (17) are sleeved on the outer wall of the head pipe (16) between the second fixing pipe (4) and the sleeve (15), digging scoops (18) are evenly distributed in the circumferential direction of the head pipe (16) between every two adjacent low-pressure air bags (17), a material leakage hole (19) communicated with the inside of the head pipe (16) is formed in the bottom of each digging scoop (18), the inside of each low-pressure air bag (17) is communicated with an inflation pipeline (10) through an inflation hole (22) formed in the head pipe (16), one end of the inflation pipeline (10) is arranged in the inner cavity of the head pipe (16), and the other end of the inflation pipeline (10) is arranged outside the rotary support pipe (6).
2. The multifunctional supporting and clearing device for nerve intervention according to claim 1, wherein: the pipe (1) is a cylindrical hollow tubular structure, the inner end of the first fixing shadow pipe (5) is fixedly connected with one end of the pipe (1) to form an integral structure, the inner wall of the first fixing shadow pipe (5) is communicated with the inner wall of the pipe (1), the outer diameter of the first fixing shadow pipe (5) is equal to that of the pipe (1), the pipe end (2) is a cylindrical tubular structure, the outer diameter of the pipe end (2) is not smaller than that of the pipe (1), the inner diameter of the communication port (13) is matched with that of the pipe (1), the outer threaded pipe (7) is a cylindrical tubular structure, the rotating support pipe (6) is a cylindrical tubular structure, the outer diameter of the rotating support pipe (6) is not smaller than that of the outer threaded pipe (7), the outer diameter of the rotating support pipe (6) is not larger than that of the pipe end (2), the sleeve (15) and the low-pressure adsorption pipe (8) are both cylindrical tubular structures, the sleeve (15) is equal to that of the low-pressure pipe (8), the outer diameter of the sleeve (15) is not larger than that of the adsorption pipe (7), and the outer diameter of the adsorption pipe (8).
3. The multifunctional supporting and clearing device for nerve intervention according to claim 1 or 2, wherein: the outer diameter of the sleeve (15) is not more than the inner diameter of the catheter (1), the length of the sleeve (15) is not more than the length of the catheter (1), and the length of the external thread pipe (7) is equal to the length of the catheter tip (2).
4. The multifunctional neuro-intervention support clearing device according to claim 1, wherein: the length sum of the end pipe (16) and the sleeve (15) is equal to the length of the guide pipe (1), the end pipe (16) is of a cylindrical tubular structure, the outer diameter of the end pipe (16) is not larger than the outer diameter of the sleeve (15), the length of a perpendicular line from the outer end of the scoop (18) to the axis position of the end pipe (16) is equal to the length of a perpendicular line from the outer wall of the sleeve (15) to the axis position of the sleeve (15), the outer diameter of the second fixing pipe (4) is equal to the outer diameter of the guide pipe (1), the plug (3) is of a hemispherical structure, and the inner side of the second fixing pipe (4) is in threaded connection with the end pipe (16) through a plug pipe connecting threaded pipe (20).
5. The multifunctional neuro-intervention support clearing device according to claim 1, wherein: the low-pressure air bag (17) is adhered to the outer wall of the end pipe (16) through an adhering connection fastening layer (21), the adhering connection fastening layer (21) and the low-pressure air bag (17) are of an integral structure, the low-pressure air bag (17) is of an annular bag body structure, and the outer diameter of the inflated low-pressure air bag (17) is equal to that of the catheter (1).
6. The multifunctional supporting and clearing device for nerve intervention according to claim 1, wherein: the material-leaking type excavator is characterized in that the excavator spoon (18) is of a spoon body structure, the bottom of the excavator spoon (18) and the outer wall of the end head pipe (16) are of an integral structure, the material-leaking hole (19) is formed in the end head pipe (16) on one side of the connecting position of the excavator spoon (18) and the end head pipe (16), the outer side of the material-leaking hole (19) is communicated with the root of the excavator spoon (18), and the inner side of the material-leaking hole (19) is communicated with an official cavity of the end head pipe (16).
7. The multifunctional supporting and clearing device for nerve intervention according to claim 1, 4 or 6, wherein: the quantity that the spoon (18) distribute on same end pipe (16) tangent plane be six, six spoon (18) equal distribution are on end pipe (16) circumferencial direction in this tangent plane outside, six arrange orientation of spoon (18) are unanimous, perpendicular length that every spoon (18) outer end to end pipe (16) axis position is all no longer than the length of pipe (1) outer wall to pipe (1) axis position perpendicular, the quantity of small opening (19) is unanimous with the quantity of spoon (18), and every small opening (19) is the same with the equal position that sets up of spoon (18).
8. The multifunctional supporting and clearing device for nerve intervention according to claim 1, wherein: the inflation hole (22) is arranged on the end head pipe (16) at the inner side of the low-pressure air bag (17), one side of the inflation hole (22) is communicated with the low-pressure air bag (17), and the other side of the inflation hole (22) is communicated with the inner cavity of the end head pipe (16).
9. The multifunctional neuro-intervention timbering removal device of claim 7, wherein: the top end part of the digging spoon (18) is provided with a digging blade head (25), and the end part of the digging blade head (25) faces to the spoon core part of the digging spoon (18).
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CN203468689U (en) * 2013-07-01 2014-03-12 安徽省立医院 Intravascular thrombectomy device
CN109998636A (en) * 2019-05-19 2019-07-12 常州市三润医疗器械科技有限公司 A kind of thrombus removes the thrombus remove device of system

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