CN110051430A - A kind of microwave melt needle with water circulation - Google Patents
A kind of microwave melt needle with water circulation Download PDFInfo
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- CN110051430A CN110051430A CN201910444051.6A CN201910444051A CN110051430A CN 110051430 A CN110051430 A CN 110051430A CN 201910444051 A CN201910444051 A CN 201910444051A CN 110051430 A CN110051430 A CN 110051430A
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- drawstring
- fixed ring
- elastic strip
- needle
- regulating wheel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 238000002679 ablation Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims description 68
- 210000000078 claw Anatomy 0.000 claims description 25
- 230000004224 protection Effects 0.000 claims description 21
- 206010028980 Neoplasm Diseases 0.000 abstract description 26
- 102000010637 Aquaporins Human genes 0.000 abstract 1
- 108010063290 Aquaporins Proteins 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 12
- 238000004804 winding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a kind of microwave melt needles with water circulation, including ablation needle, several cooling needles are equipped with around ablation needle, cooling needle includes syringe needle and handle, syringe needle includes elastic strip, outer fixed ring, interior fixed ring and protective film, elastic strip upper end is fixed on handle, outer fixed ring and interior fixed ring are alternately fixed on elastic strip, handle is equipped with drawstring fixed mechanism, the two sides of same outer fixed ring are connected with drawstring respectively, drawstring fixed mechanism is used for the other end of fixed pulling rope, the draw cord channel by drawstring is equipped between outer fixed ring and interior fixed ring, elastic strip end is equipped with cone point, elastic strip, outer fixed ring, interior fixed ring and drawstring are wrapped in by the same protective film, the inner cavity of protective film is divided into intake tunnel and exhalant canal by elastic strip, elastic strip bottom is equipped with the through-hole of connection intake tunnel and exhalant canal, into Aquaporin is connected to exhalant canal with circulating chilled water device.Tumour can be surrounded, protect the normal tissue around tumour.
Description
Technical field
The present invention relates to microwave ablation techniques field, in particular to a kind of microwave melt needle with water circulation.
Background technique
Microwave melt needle is not needle, it is a very thin radiating antenna.Specific practice is: under B ultrasound or CT guidance,
Microwave needle Direct perforantes to tumor locus, polar molecule in tissue high-speed motion, rubs mutually under the action of microwave field
Heat is generated, is brought rapidly up in tumour, when temperature is raised to 60 degree or so, cancer cell proteins qualitative change solidification, causing can not
Inverse necrosis.But during microwave ablation, ablation needle can also make the histoorgan of surrounding other than killing tumor tissues
At damage.If the long place of tumour is bad, may cause can not be melted.And all included cooling effect of current ablation needle
Fruit, but only cool down to tumor locus, it can not be to the cooling protection of tumour normal surrounding tissue.
Summary of the invention
It can be by tumour the invention reside in a kind of microwave melt needle with water circulation is provided for the above-mentioned prior art
It is surrounded, protects the normal tissue around tumour.
The technical scheme of the present invention is realized as follows:
A kind of microwave melt needle with water circulation, including ablation needle are equipped with several cooling needles, institute around the ablation needle
Stating cooling needle includes syringe needle and handle, and the syringe needle includes elastic strip, outer fixed ring, interior fixed ring and protective film, the elasticity
Upper end is fixed on the handle, and the outer fixed ring and interior fixed ring are alternately fixed on the elastic strip, the handle
It is equipped with drawstring fixed mechanism, the two sides of the same outer fixed ring are connected with drawstring respectively, and the drawstring fixed mechanism is used for
The other end of the fixed drawstring is equipped with the draw cord channel by the drawstring, institute between the outer fixed ring and interior fixed ring
Elastic strip end is stated equipped with cone point, the elastic strip, outer fixed ring, interior fixed ring and drawstring are by the same protective film
It is wrapped in, the inner cavity of the protective film is divided into intake tunnel and exhalant canal by the elastic strip, and the elastic strip bottom is equipped with
It is connected to the through-hole of intake tunnel and exhalant canal, the intake tunnel is connected to exhalant canal with circulating chilled water device.
Further, the drawstring fixed mechanism includes regulating wheel and the clamping mechanism for clamping regulating wheel, the tune
Section wheel and the handle are rotatablely connected, and two drawstrings of two sides are fixed on the same adjusting in the same outer fixed ring
On wheel, the winding direction of the drawstring in the same regulating wheel is opposite.
Further, the drawstring fixed mechanism arranging along length direction along the elastic strip, card on handle
Tight mechanism includes limiting slot, position-limited claw and spring, and the limiting slot sets the end face with the regulating wheel, and the limiting slot corresponds to position
The handle for setting place is equipped with sliding slot, and the position-limited claw for being inserted into the limiting slot, the sliding slot are equipped in the sliding slot
It is interior to be equipped with the spring that position-limited claw is pushed to the limiting slot.
Further, the side wall of the regulating wheel is equipped with the annular groove for accommodating the drawstring.
Further, the regulating wheel is equipped with scale, is set to and the consistent finger of regulating wheel quantity on the handle
Show that arrow, the arrow are directed toward the regulating wheel.
Further, the side wall of the regulating wheel is equipped with anti-skid bulge.
Further, the circulating chilled water device includes water pump, water tank, water inlet pipe and outlet pipe, and the water pump is set to institute
It states in water tank, the water pump is connected to by water inlet pipe with the intake tunnel, and the exhalant canal passes through the outlet pipe and institute
State water tank connection.
Further, the outside of the interior fixed ring is equipped with the first groove, and it is recessed that the inside of the outer fixed ring is equipped with second
Slot, first groove and the second groove constitute the draw cord channel.
Further, further include protection cylinder, the protection cylinder is upper end for entangling the syringe needle, the protection cylinder with
The handle is fixedly connected, and the upper end of the protective film is fixed on the protection cylinder.
The beneficial effects of the present invention are: ablation needle is inserted into tumor tissues, the tissue around cooling needle insertion tumour.It is cold
But the water flowing in needle takes away heat, so that the temperature of normal surrounding tissue is difficult to rise, reaches the mesh of protection tumor week tissue
's.The syringe needle of cooling needle can be bent, and the syringe needle bending of bottom is capable of after insertion tissue, the bottom of tumor tissues is surrounded
Get up, can also be bent, the top of tumor tissues is also surrounded, to the group around tumor in the top of tumor tissues
It knits and plays a very good protection.Possibility is provided for the diseased region of microwave ablation cannot be implemented.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structural schematic diagram of the microwave melt needle with water circulation of the present invention；
Fig. 2 is the cooling needle positive structure schematic of the present invention；
Fig. 3 is the Section A-A structural schematic diagram in Fig. 2；
Fig. 4 is drawstring fixed mechanism structural schematic diagram of the present invention；
Fig. 5 is the cooling needle side structure schematic diagram of the present invention；
In figure, 1 ablation needle, 2 cooling needles, 3 syringe needles, 4 handles, 5 elastic strips, the outer fixed ring of 6 rings, fixed ring in 7,8 protections
Film, 9 drawstring fixed mechanisms, 10 draw cord channels, 11 cone points, 12 intake tunnels, 13 exhalant canals, 14 through-holes, 15 cold water follow
Loop device, 16 clamping mechanisms, 17 regulating wheels, 18 limiting slots, 19 position-limited claws, 20 springs, 21 sliding slots, 22 annular grooves, 23 scales, 24
Arrow, 25 anti-skid bulges, 26 water pumps, 27 water tanks, 28 water inlet pipes, 29 outlet pipes, 30 first grooves, 31 second grooves, 32
Drawstring, 33 protection cylinders.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into
The explanation of one step.
Embodiment 1
Referring to Fig. 1 to 5, a kind of microwave melt needle with water circulation, including ablation needle 1 is equipped with around the ablation needle 1
Several cooling needles 2, the cooling needle 2 include syringe needle 3 and handle 4, and the syringe needle 3 includes elastic strip 5, outer fixed ring 6, interior fixation
Ring 7 and protective film 8,5 upper end of elastic strip are fixed on the handle 4, and the outer fixed ring 6 and interior fixed ring 7 are alternately solid
Be scheduled on the elastic strip 5, the handle 4 be equipped with drawstring fixed mechanism 9, the two sides of the same outer fixed ring 6 respectively and
Drawstring 32 connects, and the drawstring fixed mechanism 9 is used to fix the other end of the drawstring 32, the outer fixed ring 6 and interior fixation
The draw cord channel 10 by the drawstring 32 is equipped between ring 7,5 end of elastic strip is equipped with cone point 11, the elasticity
Item 5, outer fixed ring 6, interior fixed ring 7 and drawstring 32 are wrapped in by the same protective film 8, and the elastic strip 5 is by the guarantor
The inner cavity of cuticula 8 is divided into intake tunnel 12 and exhalant canal 13, and 5 bottom of elastic strip is equipped with connection intake tunnel 12 and water outlet
The through-hole 14 in channel 13, the intake tunnel 12 are connected to exhalant canal 13 with circulating chilled water device 15.
Ablation needle 1 is inserted into tumor tissues, and cooling needle 2 is inserted into the tissue around tumour.Water flowing in cooling needle 2 will be hot
Amount is taken away, so that the temperature of normal surrounding tissue is difficult to rise, achievees the purpose that protect tumor week tissue.Cooling needle 2 includes syringe needle 3
With handle 4, syringe needle 3 includes elastic strip 5, outer fixed ring 6, interior fixed ring 7 and protective film 8, and 5 upper end of elastic strip is fixed on institute
It states on handle 4, elastic strip 5 is rectangular elastic strip 5, and big in the two sides width for having drawstring 32 fixed, elastic strip 5 is merely able to solid
Surely there is that two lateral bend of drawstring 32.The outer fixed ring 6 and interior fixed ring 7 are alternately fixed on the elastic strip 5, are located at bullet
Property 5 end of item 2~6 outer fixed rings 6 two sides respectively with drawstring 32 connection and drawstring 32 connect outer fixed ring 6
Between spacing be 0.5~2cm.When being inserted into cooling needle 2, the resistance of tissue is not enough to when elastic strip 5 is pierced into tissue
Cause the bending of elastic strip 5.The two sides of the same outer fixed ring 6 are connected with drawstring 32 respectively, when syringe needle 3 is not bent, even
Connect what the drawstring 32 in same outer fixed ring 6 tensed.When needing to control the bending of syringe needle 3, pull in a certain outer fixed ring 6
When a piece drawstring 32, the elastic strip 5 of 6 position of lid fixed ring can be bent to the direction being pulled, and in elasticity of flexure item 5, be pulled
The drawstring of outer 6 side of fixed ring, the drawstring 23 of the other side loosen.The two of the outer fixed ring 6 of 2~6 of 5 end of elastic strip
Side is connected with drawstring 32 respectively, and the different location for pulling the drawstring 32 of different location that can make different syringe needles 3 is bent, and is drawn by changing
The degrees of tensions of rope 32, can adjust the bending degree of elastic strip 5.The handle 4 is equipped with drawstring fixed mechanism 9, after tension
Drawstring 32 be fixed on drawstring fixed mechanism 9, the bending degree of syringe needle 3 is fixed.The elastic strip 5, outer fixed ring 6,
Interior fixed ring 7 and drawstring 32 are wrapped in by the same protective film 8, and the inner cavity of the protective film 8 is divided by the elastic strip 5
Intake tunnel 12 and exhalant canal 13,5 bottom of elastic strip are equipped with through-hole 14, intake tunnel 12 and exhalant canal 13 by leading to
Hole 14 is interconnected, and exhalant canal 13 is flowed in the end of cooling needle 2 from the cold water of intake tunnel 12, finally from exhalant canal
13 discharges.The intake tunnel 12 is connected to exhalant canal 13 with circulating chilled water device 15, and circulating chilled water device 15 promotes cold water
It recycles between intake tunnel 12 and exhalant canal 13, cools down to the tissue around tumour.Syringe needle 3 is inserted into tissue
During, elastic strip 5 is played a supporting role, and 5 end of elastic strip is equipped with cone point 11, and the syringe needle 3 convenient for cooling needle 2 is inserted into
Tissue.Protective film 8 separates tissue and syringe needle 3, and fixed ring is avoided to scratch tissue.The lower part of protective film 8 and
The sealing of cone point 11 is fixed, and cold water is avoided to leak.
Specifically, the drawstring fixed mechanism 9 includes regulating wheel 17 and the clamping mechanism 16 for clamping regulating wheel 17, institute
It states regulating wheel 17 and the handle 4 is rotatablely connected, two drawstrings 32 of two sides are fixed on together in the same outer fixed ring 6
In one regulating wheel 17, the winding direction of the drawstring 32 in the same regulating wheel 17 is opposite.Two in the same fixed ring
The drawstring 32 of side is fixed in the same regulating wheel 17, the winding direction of the drawstring 32 in the same regulating wheel 17 on the contrary,
When regulating wheel 17 rotate when, wherein the drawstring 32 of side is tightened up, while the drawstring 32 of the other side is released, elastic strip 5 to
The curving being tightened up, so that deformation occurs for syringe needle 3.The angle that rotation regulating wheel 17 turns over, can be realized and adjust syringe needle 3
Bending degree, the curvature of regulating wheel 17 recycle clamping mechanism 16 to fix the position of regulating wheel 17 after determining.
Specifically, the drawstring fixed mechanism 9 arranging along length direction along the elastic strip 5, card on handle 4
Tight mechanism 16 includes limiting slot 18, position-limited claw 19 and spring 20, and the limiting slot 18 sets the end face with the regulating wheel 17, described
The handle 4 of 18 corresponding position of limiting slot is equipped with sliding slot 21, is equipped in the sliding slot 21 for being inserted into the limiting slot 18
The position-limited claw 19, be equipped with the spring 20 that position-limited claw 19 is pushed to the limiting slot 18 in the sliding slot 21.Bottom
Fixed ring drawstring 32 connect bottom regulating wheel 17, positioned at position second from the bottom fixed ring drawstring 32 connection be located at
The regulating wheel 17 of position second from the bottom, and so on, convenient for the operation of regulating wheel 17.Spring 20 pushes position-limited claw 19 to regulating wheel
17, when the position-limited claw 19 on handle 4 is inserted into limiting slot 18, the position of regulating wheel 17 is locked, so that 17 nothing of regulating wheel
Method rotation.Limitation of the position-limited claw 19 to regulating wheel 17 is released, then is manually extracted position-limited claw 19.Position-limited claw 19 is in sliding slot 21
Sliding slot 21 is stretched out in one end of sliding, position-limited claw 19.
Embodiment 2
Referring to Fig. 1 to 5, a kind of microwave melt needle with water circulation, including ablation needle 1 is equipped with around the ablation needle 1
Several cooling needles 2, the cooling needle 2 include syringe needle 3 and handle 4, and the syringe needle 3 includes elastic strip 5, outer fixed ring 6, interior fixation
Ring 7 and protective film 8,5 upper end of elastic strip are fixed on the handle 4, and the outer fixed ring 6 and interior fixed ring 7 are alternately solid
Be scheduled on the elastic strip 5, the handle 4 be equipped with drawstring fixed mechanism 9, the two sides of the same outer fixed ring 6 respectively and
Drawstring 32 connects, and the drawstring fixed mechanism 9 is used to fix the other end of the drawstring 32, the outer fixed ring 6 and interior fixation
The draw cord channel 10 by the drawstring 32 is equipped between ring 7,5 end of elastic strip is equipped with cone point 11, the elasticity
Item 5, outer fixed ring 6, interior fixed ring 7 and drawstring 32 are wrapped in by the same protective film 8, and the elastic strip 5 is by the guarantor
The inner cavity of cuticula 8 is divided into intake tunnel 12 and exhalant canal 13, and 5 bottom of elastic strip is equipped with connection intake tunnel 12 and water outlet
The through-hole 14 in channel 13, the intake tunnel 12 are connected to exhalant canal 13 with circulating chilled water device 15.
Ablation needle 1 is inserted into tumor tissues, and cooling needle 2 is inserted into the tissue around tumour.Water flowing in cooling needle 2 will be hot
Amount is taken away, so that the temperature of normal surrounding tissue is difficult to rise, achievees the purpose that protect tumor week tissue.Cooling needle 2 includes syringe needle 3
With handle 4, syringe needle 3 includes elastic strip 5, outer fixed ring 6, interior fixed ring 7 and protective film 8, and 5 upper end of elastic strip is fixed on institute
It states on handle 4, elastic strip 5 is rectangular elastic strip 5, and big in the two sides width for having drawstring 32 fixed, elastic strip 5 is merely able to solid
Surely there is that two lateral bend of drawstring 32.The outer fixed ring 6 and interior fixed ring 7 are alternately fixed on the elastic strip 5, are located at bullet
Property 5 end of item 2~6 outer fixed rings 6 two sides respectively with drawstring 32 connection and drawstring 32 connect outer fixed ring 6
Between spacing be 0.5~2cm.When being inserted into cooling needle 2, the resistance of tissue is not enough to when elastic strip 5 is pierced into tissue
Cause the bending of elastic strip 5.The two sides of the same outer fixed ring 6 are connected with drawstring 32 respectively, when syringe needle 3 is not bent, even
Connect what the drawstring 32 in same outer fixed ring 6 tensed.When needing to control the bending of syringe needle 3, pull in a certain outer fixed ring 6
When a piece drawstring 32, the elastic strip 5 of 6 position of lid fixed ring can be bent to the direction being pulled, and in elasticity of flexure item 5, be pulled
The drawstring of outer 6 side of fixed ring, the drawstring 23 of the other side loosen.The two of the outer fixed ring 6 of 2~6 of 5 end of elastic strip
Side is connected with drawstring 32 respectively, and the different location for pulling the drawstring 32 of different location that can make different syringe needles 3 is bent, and is drawn by changing
The degrees of tensions of rope 32, can adjust the bending degree of elastic strip 5.The handle 4 is equipped with drawstring fixed mechanism 9, after tension
Drawstring 32 be fixed on drawstring fixed mechanism 9, the bending degree of syringe needle 3 is fixed.The elastic strip 5, outer fixed ring 6,
Interior fixed ring 7 and drawstring 32 are wrapped in by the same protective film 8, and the inner cavity of the protective film 8 is divided by the elastic strip 5
Intake tunnel 12 and exhalant canal 13,5 bottom of elastic strip are equipped with through-hole 14, intake tunnel 12 and exhalant canal 13 by leading to
Hole 14 is interconnected, and exhalant canal 13 is flowed in the end of cooling needle 2 from the cold water of intake tunnel 12, finally from exhalant canal
13 discharges.The intake tunnel 12 is connected to exhalant canal 13 with circulating chilled water device 15, and circulating chilled water device 15 promotes cold water
It recycles between intake tunnel 12 and exhalant canal 13, cools down to the tissue around tumour.Syringe needle 3 is inserted into tissue
During, elastic strip 5 is played a supporting role, and 5 end of elastic strip is equipped with cone point 11, and the syringe needle 3 convenient for cooling needle 2 is inserted into
Tissue.Protective film 8 separates tissue and syringe needle 3, and fixed ring is avoided to scratch tissue.The lower part of protective film 8 and
The sealing of cone point 11 is fixed, and cold water is avoided to leak.
Specifically, the drawstring fixed mechanism 9 includes regulating wheel 17 and the clamping mechanism 16 for clamping regulating wheel 17, institute
It states regulating wheel 17 and the handle 4 is rotatablely connected, two drawstrings 32 of two sides are fixed on together in the same outer fixed ring 6
In one regulating wheel 17, the winding direction of the drawstring 32 in the same regulating wheel 17 is opposite.Two in the same fixed ring
The drawstring 32 of side is fixed in the same regulating wheel 17, the winding direction of the drawstring 32 in the same regulating wheel 17 on the contrary,
When regulating wheel 17 rotate when, wherein the drawstring 32 of side is tightened up, while the drawstring 32 of the other side is released, elastic strip 5 to
The curving being tightened up, so that deformation occurs for syringe needle 3.The angle that rotation regulating wheel 17 turns over, can be realized and adjust syringe needle 3
Bending degree, the curvature of regulating wheel 17 recycle clamping mechanism 16 to fix the position of regulating wheel 17 after determining.
Specifically, the drawstring fixed mechanism 9 arranging along length direction along the elastic strip 5, card on handle 4
Tight mechanism 16 includes limiting slot 18, position-limited claw 19 and spring 20, and the limiting slot 18 sets the end face with the regulating wheel 17, described
The handle 4 of 18 corresponding position of limiting slot is equipped with sliding slot 21, is equipped in the sliding slot 21 for being inserted into the limiting slot 18
The position-limited claw 19, be equipped with the spring 20 that position-limited claw 19 is pushed to the limiting slot 18 in the sliding slot 21.Bottom
Fixed ring drawstring 32 connect bottom regulating wheel 17, positioned at position second from the bottom fixed ring drawstring 32 connection be located at
The regulating wheel 17 of position second from the bottom, and so on, convenient for the operation of regulating wheel 17.Spring 20 pushes position-limited claw 19 to regulating wheel
17, when the position-limited claw 19 on handle 4 is inserted into limiting slot 18, the position of regulating wheel 17 is locked, so that 17 nothing of regulating wheel
Method rotation.Limitation of the position-limited claw 19 to regulating wheel 17 is released, then is manually extracted position-limited claw 19.Position-limited claw 19 is in sliding slot 21
Sliding slot 21 is stretched out in one end of sliding, position-limited claw 19.
Specifically, the side wall of the regulating wheel 17 is equipped with the annular groove 22 for accommodating the drawstring 32.When regulating wheel 17 rotates
When, drawstring 32 is wrapped in annular groove 22, avoid drawstring 32 slip the problems such as.
Specifically, the regulating wheel 17 is equipped with scale 23, it is set on the handle 4 consistent with 17 quantity of regulating wheel
Arrow 24, the arrow 24 is directed toward the regulating wheel 17.Pass through the opposite indicator of 17 scale of observation regulating wheel 23
First 24 position judges the angle that regulating wheel 17 turns over, to judge the length that drawstring 32 furls, furls convenient for drawstring 32
Control.
Specifically, the side wall of the regulating wheel 17 is equipped with anti-skid bulge 25.Rotation regulating wheel 17 makes its rotation manually, avoids
Regulating wheel 17 is skidded when rotation.
Specifically, the circulating chilled water device 15 includes water pump 26, water tank 27, water inlet pipe 28 and outlet pipe 29, the water
Pump 26 is set in the water tank 27, and the water pump 26 is connected to by water inlet pipe 28 with the intake tunnel 12, the exhalant canal
13 are connected to by the outlet pipe 29 with the water tank 27.Water in water tank 27 is extracted into water inlet pipe 28 by water pump 26, passes through water inlet
Pipe 28 enters intake tunnel 12, then enters exhalant canal 13 from the through-hole 14 of 5 end of elastic strip, connects from exhalant canal 13
The outlet pipe 29 connect returns to progress water circulation in water tank 27.After syringe needle 3 is inserted into tissue, water pump 26 is opened, in water pump
Under the action of 26, heat is taken away in the flowing of water circulation, water, plays the protective effect of cooling.Water inlet pipe 28 and outlet pipe 29
It is fixed together, is held together or is being penetrated in the same casing, water inlet pipe 28 and outlet pipe by adhesive tape specifically, can be
29 separate again at head and the tail both ends, are convenient for stringing.Different water inlet pipes 28 are formerly aggregated on the general pipeline of water pump 26, and general pipeline is again and water
26 connection of pump, is convenient for stringing.
Specifically, the outside of the interior fixed ring 7 is equipped with the first groove 30, the inside of the outer fixed ring 6 is equipped with second
Groove 31, first groove 30 and the second groove 31 constitute the draw cord channel 10.Drawstring 32 moves in draw cord channel 10,
Can misplace slippage etc. to avoid drawstring 32, convenient for controlling the bending of syringe needle 3.
Specifically, further including protection cylinder 33, the protection cylinder 33 is the upper end for entangling the syringe needle 3, the protection
Cylinder 33 is fixedly connected with the handle 4, and the upper end of the protective film 8 is fixed on the protection cylinder 33.8 upper end of protective film is fixed
In the outer wall of protection cylinder 33, protective film 8 is connected firmly with protection cylinder 33, and the contact area of protective film 8 and protection cylinder 33 is big, no
It is easy to fall off, convenient for piercing through human skin.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of microwave melt needle with water circulation, including ablation needle, which is characterized in that be equipped with around the ablation needle several
Cooling needle, the cooling needle include syringe needle and handle, and the syringe needle includes elastic strip, outer fixed ring, interior fixed ring and protective film,
The elastic strip upper end is fixed on the handle, and the outer fixed ring and interior fixed ring are alternately fixed on the elastic strip,
The handle is equipped with drawstring fixed mechanism, and the two sides of the same outer fixed ring are connected with drawstring respectively, and the drawstring is fixed
Mechanism is used to fix the other end of the drawstring, and the drawstring by the drawstring is equipped between the outer fixed ring and interior fixed ring
Channel, the elastic strip end are equipped with cone point, and the elastic strip, outer fixed ring, interior fixed ring and drawstring are by the same institute
It states protective film to be wrapped in, the inner cavity of the protective film is divided into intake tunnel and exhalant canal, the elastic strip by the elastic strip
Bottom is equipped with the through-hole of connection intake tunnel and exhalant canal, the intake tunnel and exhalant canal and circulating chilled water device connects
It is logical.
2. a kind of microwave melt needle with water circulation according to claim 1, which is characterized in that the fixed machine of the drawstring
Structure includes regulating wheel and the clamping mechanism for clamping regulating wheel, and the regulating wheel and the handle are rotatablely connected, same described
Two drawstrings of two sides are fixed in the same regulating wheel in outer fixed ring, and the drawstring in the same regulating wheel twines
Around contrary.
3. a kind of microwave melt needle with water circulation according to claim 2, which is characterized in that the fixed machine of the drawstring
Structure arranging along length direction along the elastic strip on handle, the clamping mechanism includes limiting slot, position-limited claw and spring, institute
It states limiting slot and sets end face with the regulating wheel, the handle of the limiting slot corresponding position is equipped with sliding slot, in the sliding slot
Equipped with the position-limited claw for being inserted into the limiting slot, the institute that position-limited claw is pushed to the limiting slot is equipped in the sliding slot
State spring.
4. a kind of microwave melt needle with water circulation according to claim 2, which is characterized in that the side of the regulating wheel
Wall is equipped with the annular groove for accommodating the drawstring.
5. a kind of microwave melt needle with water circulation according to claim 2, which is characterized in that set in the regulating wheel
There is scale, is set on the handle and the consistent arrow of regulating wheel quantity, the arrow are directed toward the adjusting
Wheel.
6. a kind of microwave melt needle with water circulation according to claim 1, which is characterized in that the side of the regulating wheel
Wall is equipped with anti-skid bulge.
7. a kind of microwave melt needle with water circulation according to claim 1, which is characterized in that the circulating chilled water dress
It sets including water pump, water tank, water inlet pipe and outlet pipe, the water pump is set in the water tank, and the water pump passes through water inlet pipe and institute
Intake tunnel connection is stated, the exhalant canal is connected to by the outlet pipe with the water tank.
8. a kind of microwave melt needle with water circulation according to claim 1, which is characterized in that the interior fixed ring
Outside is equipped with the first groove, and the inside of the outer fixed ring is equipped with the second groove, and first groove and the second groove constitute institute
State draw cord channel.
9. a kind of microwave melt needle with water circulation according to claim 1, which is characterized in that it further include protection cylinder,
The protection cylinder is the upper end for entangling the syringe needle, and the protection cylinder is fixedly connected with the handle, the protective film
Upper end is fixed on the protection cylinder.
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| CN201910444051.6A CN110051430B (en) | 2019-05-27 | 2019-05-27 | Microwave ablation needle with water circulation |
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| CN110051430B CN110051430B (en) | 2024-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | Microwave device for tumor ablation treatment |
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| Publication number | Publication date |
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| CN110051430B (en) | 2024-07-19 |
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