CN110292437A - A kind of targeting ablation needle control system - Google Patents
A kind of targeting ablation needle control system Download PDFInfo
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- CN110292437A CN110292437A CN201910524155.8A CN201910524155A CN110292437A CN 110292437 A CN110292437 A CN 110292437A CN 201910524155 A CN201910524155 A CN 201910524155A CN 110292437 A CN110292437 A CN 110292437A
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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
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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
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00101—Thermal conductivity low, i.e. thermally insulating
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/00136—Coatings on the energy applicator with polymer
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
- A61B2018/0022—Balloons
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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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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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
- A61B2018/1823—Generators therefor
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Abstract
The present invention discloses a kind of targeting ablation needle control system, is related to technical field of medical equipment.It include: the first shank for expanding end and the elongated end connecting with needle handle being connect with ablation syringe needle；The second shank for entangling the first shank elongated end and being connect with needle handle, spiral connection inlet tube and outlet tube between the first shank and the second shank, and two pipes communicate, inlet tube is pierced by from needle handle and is connected to cooling water pump；Outlet tube is pierced by needle handle end equipped with tongs, and is connected to cooling water tank, and cooling water tank is connected to cooling water pump；The microwave coaxial cable connecting with ablation syringe needle is equipped in first shank, needle handle is equipped with the antenna for radiating microwave and the first controller being electrically connected, and antenna for radiating microwave is also electrically connected with microwave coaxial cable；First control is electrically connected with the control module of second controller and cooling water pump respectively.Ablation needle is solved in ablation, the temperature of syringe needle is melted and is transmitted along shank appearance towards needle handle direction, the problem of normal tissue around shank of burning.
Description
Technical field
The present invention relates to technical field of medical equipment, in particular to a kind of targeting ablation needle control system.
Background technique
Currently, cooling cycle channel is mainly arranged in microwave ablation equipment in the market in needle tubing, water or gas are led to
Enter in cooling cycle channel, the control-rod temperature by way of with tube wall forced-convection heat transfer.Ablation needle is in ablation, although shank
Internal cooling cycle channel can reduce the temperature of shank, but there is the temperature for melting syringe needle along shank appearance towards needle
Handle direction transmitting, thus the risk of the normal tissue around shank of burning.
Summary of the invention
For the above-mentioned prior art, the invention reside in a kind of targeting ablation needle control system is provided, solves ablation needle and disappearing
When melting, the temperature for melting syringe needle is transmitted along shank appearance towards needle handle direction, thus the normal tissue around shank of burning
Problem.
The technical scheme of the present invention is realized as follows:
A kind of targeting ablation needle control system, comprising: ablation syringe needle, the first shank, microwave coaxial cable, the second shank,
Inlet tube, outlet tube, needle handle, antenna for radiating microwave, the first controller, second controller, cooling water tank, cooling water pump and sealing
Folder；The first end of first shank is to expand end, is connect with the ablation syringe needle；The second end of first shank is elongated
End, connect with the needle handle；Second shank entangles the second end of first shank, the inlet tube and the outlet tube
Equal spiral connects the periphery of the first shank second end and the inner circumferential of second shank, and the first end of the inlet tube and
The first end of the outlet tube is connected to, and the second end of the second end of the inlet tube and the outlet tube is pierced by from the needle handle,
The second end of the outlet tube is provided with tongs, and the second end of the outlet tube is connected to the cooling water tank, described cold
But water tank is also connected to the cooling water pump, and the second end of the inlet tube is connected to the cooling water pump；Second shank
One end connect with the needle handle；Wherein, when puncturing, first shank and second shank connect into smooth needle
Bar；In ablation, the inlet tube and the outlet tube expand, described second because of the cooling water that the cooling water pump is filled with
Shank is separated with first shank；The microwave coaxial electricity connecting with the ablation syringe needle is equipped in first shank
Cable, the needle handle are equipped with the antenna for radiating microwave and first controller being electrically connected, and the microwave radiation day
Line is also electrically connected with the microwave coaxial cable；First controller respectively with the second controller and the cooling water
The control module of pump is electrically connected.
Optionally, second shank is provided with first pipe, and the first end of the relatively described needle handle of the first pipe is set
It is equipped with the first opening, the second end of the first pipe is connect with the needle handle, and motion bar, institute are provided in the first pipe
The first end for stating motion bar is connected with connector for closing or opening first opening, the second end of the motion bar；Phase
It answers, the second end position that the needle handle corresponds to the motion bar is additionally provided with through slot, and the connector is pierced by by the through slot；
Second pipe is additionally provided between the first pipe and the outer wall of second shank, the relatively described needle handle of the second pipe
First end is provided with the second opening for being connected to the first pipe, and the second end of the second pipe and the needle handle connect
It connects, correspondingly, the needle handle is additionally provided with grouting socket, and the second end of the first end of the grouting socket and the second pipe
Connection, the second end of the grouting socket is for connecting external equipment.
Optionally, second shank is from inside to outside successively are as follows: the second pipe, the first pipe and described second
The outer wall of shank.
Optionally, the connector is rigid connection line, and the through slot is to match with the diameter of the rigid connection line
Wire casing.
Optionally, the connector is the motion bar, and the second end of the motion bar is pierced by by the through slot.
Optionally, the external equipment includes: syringe pump；The injection port of the syringe of the syringe pump connects with the injection
Mouth connection, the control module of the syringe pump and the second controller are electrically connected.
Optionally, the external equipment further include: medical three-way valve and aspirator；The first end of the medical three-way valve with
The grouting socket connection, the second end of the medical three-way valve is connect with the injection port of the syringe of the syringe pump, described
The third end of medical three-way valve is connect with the suction port of the attraction hose of the aspirator；The control module of the aspirator and institute
State second controller electric connection.
Optionally, the ablation syringe needle is internally provided with annular positioning groove；It is additionally provided with insulator in first shank,
The insulator is connect with the ablation syringe needle, and the microwave coaxial cable connects through the insulator and the ablation syringe needle
It connects.
Optionally, the insulator is tetrafluoro insulator, and the inlet tube and the outlet tube are by polyamide-based macromolecule
Material or modified polyamide high molecular material or polymer composite are made, and first shank and second shank coat
There are polytetrafluorethylecoatings coatings or parylene coating.
The beneficial effects of the present invention are:
Since inlet tube connects the first shank periphery and the second shank inner circumferential, inlet tube and outlet tube with the equal spiral of outlet tube
When in unswollen state, the outer surface of the first shank and the second shank connects into a complete, smooth outer surface, the first needle
Bar and the second shank form complete shank.For targeting ablation needle when inserting needle punctures, complete shank structural strength is higher, can
The case where avoiding the occurrence of broken needle；In ablation, the cooling water in cooling water tank is filled in inlet tube by cooling water pump, passes through sealing
Folder clamps the second end of outlet tube, controls the flow of outlet tube, so that inlet tube and outlet tube expansion, by the second shank and first
Shank struts separation, has not been able to directly pass along the outer surface of the first shank to melt the temperature that syringe needle and the first shank generate
The second shank is passed, and then the temperature for solving ablation syringe needle is transmitted along shank appearance towards needle handle direction, thus shank of burning
The problem of normal tissue of surrounding.
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 structure chart of targeting ablation needle control system provided in an embodiment of the present invention.
Fig. 2 is sectional structure chart of the targeting ablation needle provided in an embodiment of the present invention in ablation.
Fig. 3 is the sectional structure chart of the second shank provided in an embodiment of the present invention.
Fig. 4 is a kind of circuit connection diagram of targeting ablation needle control system provided in an embodiment of the present invention.
In figure, 1- melts syringe needle；11- annular positioning groove；The first shank of 2-；3- microwave coaxial cable；4- insulator；5-
Two shanks；52- first pipe；523- motion bar；525- connector；54- second pipe；6- inlet tube；7- outlet tube；8- needle
Handle；83- grouting socket；84- through slot；9- antenna for radiating microwave；The first controller of 100-；110- second controller；120- is cooling
Water pump；122- cooling water tank；124- tongs；130- syringe pump；150- aspirator.
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.
Referring to fig. 1 to fig. 4, Fig. 1 is a kind of knot of targeting ablation needle control system provided in an embodiment of the present invention
Composition.Fig. 2 is sectional structure chart of the targeting ablation needle provided in an embodiment of the present invention in ablation.Fig. 3 is the embodiment of the present invention
The sectional structure chart of the second shank 5 provided.Fig. 4 is a kind of electricity of targeting ablation needle control system provided in an embodiment of the present invention
Road connection schematic diagram.
A kind of targeting ablation needle control system, comprising: ablation syringe needle 1, the first shank 2, microwave coaxial cable 3, the second needle
Bar 5, inlet tube 6, outlet tube 7, needle handle 8, antenna for radiating microwave 9, the first controller 100, second controller 110, cooling water tank
122, cooling water pump 120 and tongs 124；The first end of first shank 2 is to expand end, is connect with ablation syringe needle 1；First shank
2 second end is elongated end, is connect with needle handle 8；Second shank 5 entangles the second end of the first shank 2, inlet tube 6 and outlet tube 7
The periphery of equal spiral connection 2 second end of the first shank and the inner circumferential of the second shank 5, and the first end of inlet tube 6 and outlet tube 7
First end connection, the second end of inlet tube 6 and the second end of outlet tube 7 are pierced by from needle handle 8, and the second end of outlet tube 7 is provided with
Tongs 124, and the second end of outlet tube 7 is connected to cooling water tank 122, cooling water tank 122 is also connected to cooling water pump 120,
The second end of inlet tube 6 is connected to cooling water pump 120；One end of second shank 5 is connect with needle handle 8；Wherein, when puncturing, the
One shank 2 and the second shank 5 connect into smooth shank；In ablation, inlet tube 6 and outlet tube 7 are due to the cooling water that is filled with
And expand, the second shank 5 is separated with the first shank 2；The microwave coaxial cable connecting with ablation syringe needle 1 is equipped in first shank 2
3, needle handle 8 is equipped with the antenna for radiating microwave 9 and the first controller 100 being electrically connected, and antenna for radiating microwave 9 is also same with microwave
Shaft cable 3 is electrically connected；First controller 100 electrically connects with the control module of second controller 110 and cooling water pump 120 respectively
It connects.
Intelligible, the first controller 100 is existing embedded controller, such as 51 series of 32 series of STM or STM
Embedded controller and ARM framework embedded controller.Second controller 110 is existing electronic equipment, such as hand
Machine, plate, PDA (Personal Digital Assistant, personal digital assistant) and computer etc..Cooling water pump 120 can
To be the cooling water pump of current version, cooling water pump 120 includes control module and the pump housing, the first input port of cooling water tank with go out
The second end of liquid pipe 7 is connected to, and the second input port of cooling water tank is used to be added cooling water from outside, the delivery outlet of cooling water tank with
The input port of the pump housing is connected to, and the delivery outlet of the pump housing is connected to the second end of inlet tube 6, forms cooling recirculation system.Cooling cycle
The working principle of system are as follows: cooling water is added by the second input port of cooling water tank, control module controls the pump housing for cooling water
It is pumped into inlet tube 6 from the second end of inlet tube 6, and cooling water flows to the first end of inlet tube 6, then cooling water is from inlet tube
6 first end and the first end of outlet tube 7 flow through outlet tube 7, and then cooling water is flowed out from the second end of outlet tube 7, and entrance is cold
But in water tank, to be cooled down to the first shank 2.Then, the second end of outlet tube 7 is provided with tongs 124, by only
The second end of 124 clamping outlet tube 7 of water folder (can be medical staff and be manually operated tongs 124 clamp outlet tube 7 second
End) so that outlet tube 7 flows out the flow of cooling water, the flow for being filled with cooling water relative to inlet tube 6 will lack, so that inlet tube 6
It is expanded with outlet tube 7, so that the second shank 5 is separated with the first shank 2.
Optionally, the first end for melting syringe needle 1 is internally provided with annular positioning groove 11；Insulation is additionally provided in first shank 2
Son 4, insulator 4 are connect with ablation syringe needle 1, and microwave coaxial cable 3 is connect through insulator 4 with ablation syringe needle 1.Specifically,
When ultrasonic beam is internally propagated by the surface of targeting ablation needle, when the annular positioning groove 11 of ultrasound examination to ablation syringe needle 1,
Since annular positioning groove 11 can reflect and reflect ultrasonic wave, so that forming bright spot on the fluorescent screen of B ultrasound, medical staff can
Clearly see on the fluorescent screen of B ultrasound targeting ablation needle organize in vivo in trend, improve targeting ablation needle in B ultrasound
The clarity of display.It is intelligible, since the material of insulator 4 is different from the material of the first shank 2, ultrasound can be passed through
Wave beam detects the position of insulator 4, and the location information of insulator 4 is shown on the fluorescent screen of B ultrasound, thus by ultrasonic beam
To annular positioning groove 11 together with the positioning combination of insulator 4, so that fluorescent screen of the medical staff by observation B ultrasound, it can
Learn targeting ablation needle organize in vivo in position, then carry out corresponding operation, such as adjustment puncture position or progress
Ablation.The insulator 4 being arranged in first shank 2 can support and fix securely microwave coaxial cable 3, so that microwave coaxial is electric
Cable 3 and the second end in contact of ablation syringe needle 1 are good, and microwave coaxial cable 3 is avoided to produce at work with ablation 1 poor contact of syringe needle
The case where giving birth to abnormal high temperature or scheduled ablation temperature can not be generated.Optionally, insulator 4 is tetrafluoro insulator, feed liquor
Pipe 6 and outlet tube 7 are made of polyamide-based high molecular material or modified polyamide high molecular material or polymer composite, the
One shank 2 and the second shank 5 are coated with polytetrafluorethylecoatings coatings or parylene coating.Specifically, the first shank 2 and the second shank
The coating of 5 coatings plays the role of preventing targeting ablation needle and in-vivo tissue adhesion.
Specifically, ablation 1 first end of syringe needle is used for percutaneous puncture, circular cone puncturing head can be, be also possible to the puncture of three swords
Head.Intelligible, the first end that the first shank 2 is connect with ablation syringe needle 1 is to expand end, the i.e. diameter of 2 first end of the first shank
Diameter than 2 second end of the first shank is big.Since inlet tube 6 connects 2 periphery of the first shank and the second needle with the equal spiral of outlet tube 7
5 inner circumferential of bar is absorbed heat by the flow of cooling water in inlet tube 6 and outlet tube 7, reduces the temperature of 2 second end of the first shank, then
The temperature of first shank, 2 second end reduces, and there are temperature for 2 second end of the first shank and ablation syringe needle 1 and 2 first end of the first shank
Difference disappears to targeting to reach so that the temperature of ablation syringe needle 1 and 2 first end of the first shank is transmitted to 2 second end of the first shank
The shank for melting needle carries out cooling effect.
It is intelligible, according to the state of inlet tube 6 and outlet tube 7, the first shank 2 and the second shank 5 of targeting ablation needle
With different structure.When inlet tube 6 and outlet tube 7 are in unswollen state, the outer surface of the first shank 2 and the second shank 5 connects
It is connected into a complete, smooth outer surface, forms complete shank, so that targeting ablation needle is when inserting needle punctures, puncture force is not
Only by passing to 2 second end of the first shank, inlet tube 6 and outlet tube 7 from needle handle 8, then pass to 2 first end of the first shank and
The transmitting of this paths of syringe needle 1 is melted, also passes to the second shank 5 from needle handle 8, then pass to 2 first end of the first shank and ablation
This paths of syringe needle 1 transmitting, the case where so as to avoid the occurrence of broken needle.In ablation, inlet tube 6 and outlet tube 7 are due to filling
The cooling water that enters and expand, the second shank 5 is strutted with the first shank 2 and is separated by inlet tube 6 and outlet tube 7, thus the first shank 2
Outer surface and the outer surface of the second shank 5 be respectively non-touching two outer surfaces, melt syringe needle 1 and the first shank 2 produce
Raw temperature has not been able to be directly passed to the second shank 5 along the outer surface of the first shank 2, and then solves the temperature of ablation syringe needle 1
Degree is transmitted along shank appearance towards 8 direction of needle handle, thus the problem of normal tissue around shank of burning.Again due to the second needle
Bar 5, which struts, enables targeting ablation needle to be close together with surrounding in-vivo tissue, increases targeting ablation needle and surrounding
The fastening effect of tissue, preventing the movement in ablation of targeting ablation needle from causing ablation effect with desired effect, there are relatively large deviations.
Intelligible, targeting ablation needle is after ablation, when needing to carry out withdraw of the needle operation, is taken out by cooling water pump 120
Cooling water in inlet tube 6 and outlet tube 7 out, so that inlet tube 6 and outlet tube 7 revert to unswollen state；Correspondingly, second
Shank 5 and the first shank 2 connect into complete, smooth shank.To facilitate medical staff to carry out withdraw of the needle operation, avoid in the withdraw of the needle
When there is the case where broken needle, and the case where avoid when the withdraw of the needle the second shank 5 that from strutting tissue, expand wound.
Optionally, the second shank 5 is provided with first pipe 52, and first pipe 52 is provided with the with respect to the first end of needle handle 8
One opening, the second end of first pipe 52 are connect with needle handle 8, and motion bar 523 is provided in first pipe 52, motion bar 523
For first end for closing or opening the first opening, the second end of motion bar 523 is connected with connector 525；Correspondingly, needle handle 8 is right
The second end position of motion bar 523 is answered to be additionally provided with through slot 84, connector 525 is pierced by by through slot 84；First pipe 52 and second
Second pipe 54 is additionally provided between the outer wall of shank 5, second pipe 54 is provided with respect to the first end of needle handle 8 for being connected to first
Second opening of pipeline 52, the second end of second pipe 54 is connect with needle handle 8, correspondingly, needle handle 8 is additionally provided with grouting socket 83,
And the first end of grouting socket 83 is connected to the second end of second pipe 54, the second end of grouting socket 83 is set for connecting outside
It is standby.
Specifically, since ablation needle in the prior art realizes that function of injection is to offer injection on the shank of ablation needle
Channel, can be to internal injection physiological saline or other medical fluids, however when not injecting inside injection canal by injection canal
It is empty, the case where intercepting in-vivo tissue there are injection canal when puncture, and can be by the air in injection canal in injection
It is injected in vivo.In the first opening of 52 first end of first pipe setting, for first pipe 52 to be connected to exterior space, quite
In the opening of injection canal, the first opening can be closed or opened according to position of the motion bar 523 in first pipe 52.Medical care
Personnel can control position of the motion bar 523 in first pipe 52 by connector 525.Second pipe 54 passes through the second opening
It is connected to first pipe 52, then is connected to by the first opening with exterior space, be equivalent to injection canal, thus targeting ablation needle
Injection canal can not intercept in-vivo tissue when puncturing.It is intelligible, in the first opening of closing of motion bar 523, the second pipe
There can be sterile liquid (such as physiological saline) full in road 54, inject air to can be avoided when injecting to human body.It can manage
Solution, the temperature for melting syringe needle 1 and 2 first end of the first shank is transmitted to 2 second end of the first shank, passes through spiral shell on the first shank 2
The inlet tube 6 and outlet tube 7 for revolving connection can reduce the temperature of 2 second end of the first shank, if 2 second end of the first shank is to second
Shank 5 transmits temperature, can reduce the temperature of the second shank 5 by the sterile liquid in second pipe 54, to reach preferable
Cooling effect, the normal surrounding tissue so that the second shank 5 will not burn.Optionally, another structure of the second shank 5 is designed as
Second shank 5 is from inside to outside successively are as follows: the outer wall of second pipe 54, first pipe 52 and the second shank 5.
Optionally, connector 525 is rigid connection line, and through slot 84 is the wire casing to match with the diameter of rigid connection line.
Specifically, rigid connection line refers to that connecting line has certain bending resistance, medical staff is by being rigidly connected line not only
Motion bar 523 can be pulled to move in first pipe 52, so that motion bar 523 opens the first opening；Activity can also be pushed
Bar 523 moves in first pipe 52, so that first opening of the closing of motion bar 523, rigid connection line can be the metals such as copper wire
Line.Intelligible, rigid connection line and flexible connection line are two opposite concepts, however flexible connection line (such as nylon wire,
Polyester fiber line) only motion bar 523 can be pulled to move in first pipe 52 and open the first opening, have not been able to promotion activity
Bar 523 moves in first pipe 52 and closes the first opening.Intelligible, motion bar 523 passes through at needle handle 8 in order to prevent
Through slot 84 skids off, and the diameter of the line that is rigidly connected is less than the diameter of motion bar 523, close to first pipe 52 or motion bar 523
84 first end diameter of through slot is equal with 523 diameter of motion bar, the diameter of through slot 84 second end opposite with 84 first end of through slot with
The diameter of rigid connection line is equal, i.e., the section of through slot 84 is trapezoidal.Optionally, connector 525 is motion bar 523, motion bar
523 second end is pierced by by through slot 84.Specifically, medical staff pass through the second end of mobile motion bar 523 to closing or
Open the first opening.
Optionally, external equipment includes: syringe pump 130；The injection port and grouting socket 83 of the syringe of syringe pump 130 connect
It connects, the control module and second controller 110 of syringe pump 130 are electrically connected.Specifically, syringe pump 130 is the note of current version
It penetrates pump and second controller 110 can control the working condition of syringe pump 130, such as the injection speed of control syringe pump 130.Note
It penetrates in the syringe of pump 130 and holds sterile liquid and syringe pump 130 can be realized high-precision, the liquid transmission of steady pulse free,
To which sterile liquid be injected in second pipe 54.
Optionally, external equipment further include: medical three-way valve and aspirator 150；The first end and injection of medical three-way valve
Interface 83 connects, and the second end of medical three-way valve is connect with the injection port of the syringe of syringe pump 130, the third of medical three-way valve
End is connect with the suction port of the attraction hose of aspirator 150；The control module of aspirator 150 electrically connects with second controller 110
It connects.Specifically, injection when medical three-way valve first end be connected to second end, enable the syringe of syringe pump 130 to
Grouting socket 83 injects sterile liquid, medical when the sterile liquid of injection excessively needs to be sucked out or need that intracorporal fester is sucked out
The first end of triple valve is connected to third end, so that the suction port of the attraction hose of aspirator 150 is connected to grouting socket 83, the
Extra sterile liquid and fester is sucked out in two controllers 110 control aspirator 150.
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 targeting ablation needle control system characterized by comprising ablation syringe needle, the first shank, microwave coaxial cable,
Second shank, inlet tube, outlet tube, needle handle, antenna for radiating microwave, the first controller, second controller, cooling water tank, cooling
Water pump and tongs；
The first end of first shank is to expand end, is connect with the ablation syringe needle；The second end of first shank is thin
Long end is connect with the needle handle；Second shank entangles the second end of first shank, the inlet tube and the liquid out
It manages equal spiral and connects the periphery of the first shank second end and the inner circumferential of second shank, and the first end of the inlet tube
It is connected to the first end of the outlet tube, the second end of the second end of the inlet tube and the outlet tube is worn from the needle handle
Out, the second end of the outlet tube is provided with tongs, and the second end of the outlet tube is connected to the cooling water tank, described
Cooling water tank is also connected to the cooling water pump, and the second end of the inlet tube is connected to the cooling water pump；Second needle
One end of bar is connect with the needle handle；Wherein, when puncturing, first shank and second shank connect into smooth needle
Bar；In ablation, the inlet tube and the outlet tube are expanded due to the cooling water that is filled with, second shank and described the
The separation of one shank；
The microwave coaxial cable connecting with the ablation syringe needle is equipped in first shank, the needle handle is equipped with electrically
Connection the antenna for radiating microwave and first controller, and the antenna for radiating microwave also with the microwave coaxial cable
It is electrically connected；First controller is electrically connected with the control module of the second controller and the cooling water pump respectively.
2. a kind of targeting ablation needle control system according to claim 1, which is characterized in that second shank is provided with
The first end of first pipe, the relatively described needle handle of the first pipe is provided with the first opening, the second end of the first pipe
It is connect with the needle handle, motion bar is provided in the first pipe, the first end of the motion bar is for closing or opening institute
The first opening is stated, the second end of the motion bar is connected with connector；Correspondingly, the needle handle corresponds to the second of the motion bar
End position is additionally provided with through slot, and the connector is pierced by by the through slot；
Second pipe, the relatively described needle of the second pipe are additionally provided between the first pipe and the outer wall of second shank
The first end of handle is provided with the second opening for being connected to the first pipe, the second end of the second pipe and the needle handle
Connection, correspondingly, the needle handle is additionally provided with grouting socket, and the second of the first end of the grouting socket and the second pipe
End connection, the second end of the grouting socket is for connecting external equipment.
3. a kind of targeting ablation needle control system according to claim 2, which is characterized in that second shank is from introversion
Outside successively are as follows: the outer wall of the second pipe, the first pipe and second shank.
4. a kind of targeting ablation needle control system according to claim 2, which is characterized in that the connector is that rigidity connects
Wiring, the through slot are the wire casing to match with the diameter of the rigid connection line.
5. a kind of targeting ablation needle control system according to claim 2, which is characterized in that the connector is the work
The second end of lever, the motion bar is pierced by by the through slot.
6. a kind of targeting ablation needle control system according to claim 2, which is characterized in that the external equipment includes:
Syringe pump；The injection port of the syringe of the syringe pump is connect with the grouting socket, the control module of the syringe pump and institute
State second controller electric connection.
7. a kind of targeting ablation needle control system according to claim 6, which is characterized in that the external equipment also wraps
It includes: medical three-way valve and aspirator；
The first end of the medical three-way valve is connect with the grouting socket, the second end of the medical three-way valve and the injection
The injection port of the syringe of pump connects, and the suction port of the attraction hose at the third end and aspirator of the medical three-way valve connects
It connects；The control module of the aspirator and the second controller are electrically connected.
8. a kind of targeting ablation needle control system according to claim 1, which is characterized in that the inside of the ablation syringe needle
It is provided with annular positioning groove；Insulator is additionally provided in first shank, the insulator is connect with the ablation syringe needle, and institute
Microwave coaxial cable is stated to connect through the insulator with the ablation syringe needle.
9. a kind of targeting ablation needle control system according to claim 8, which is characterized in that the insulator is that tetrafluoro is exhausted
Edge, the inlet tube and the outlet tube are by polyamide-based high molecular material or modified polyamide high molecular material or macromolecule
Composite material is made, and first shank and second shank are coated with polytetrafluorethylecoatings coatings or parylene coating.
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| CN201910524155.8A CN110292437B (en) | 2019-06-18 | 2019-06-18 | Targeted ablation needle control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910524155.8A CN110292437B (en) | 2019-06-18 | 2019-06-18 | Targeted ablation needle control system |
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| CN110292437B CN110292437B (en) | 2020-05-12 |
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| CN106166088A (en) * | 2016-08-08 | 2016-11-30 | 杨兴瑞 | Anti-microwave interference thermometric with melt integral type high performance water cooling microwave ablation antenna |
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| CN108175498A (en) * | 2018-01-31 | 2018-06-19 | 海口市人民医院（中南大学湘雅医学院附属海口医院） | Cooling device of microwave ablation needle |
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| US5452582A (en) * | 1994-07-06 | 1995-09-26 | Apd Cryogenics, Inc. | Cryo-probe |
| EP1608281B1 (en) * | 2003-04-03 | 2016-07-13 | Galil Medical Ltd. | Apparatus for accurately delimited cryoablation |
| CN101522106A (en) * | 2006-08-03 | 2009-09-02 | 阿贝尔医疗有限公司 | Cryogenic probe for treating enlarged volume of tissue |
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| CN110292437B (en) | 2020-05-12 |
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