CN209377742U - The microwave melt needle and puncture biopsy needle of magnetic resonance compatibility aspiration biopsy guiding - Google Patents
The microwave melt needle and puncture biopsy needle of magnetic resonance compatibility aspiration biopsy guiding Download PDFInfo
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- CN209377742U CN209377742U CN201821093862.3U CN201821093862U CN209377742U CN 209377742 U CN209377742 U CN 209377742U CN 201821093862 U CN201821093862 U CN 201821093862U CN 209377742 U CN209377742 U CN 209377742U
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Abstract
The utility model provides a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding, needle core and ablation needle ontology including can be used in aspiration biopsy, the ablation needle ontology includes sequentially connected syringe needle, shank and handle, it is hollow structure in the middle part of the syringe needle, shank and handle, the inner tube being adapted to needle core is equipped in the hollow structure, the inner tube of the ablation needle ontology can enter human body target position along needle core.After completing aspiration biopsy under MRI guidance, the magnetic compatible with microwave ablation needle of hollow structure punctures into pathological tissues under the guiding role of the compatible puncture biopsy needle needle core of magnetic and carries out microwave ablation operation, secondary inserting needle can be effectively avoided, the injury to patient is reduced, reduces the risk of pollution.
Description
Technical field
The utility model relates to area of medical devices, especially a kind of microwave of magnetic resonance compatibility aspiration biopsy guiding disappears
Melt needle and puncture biopsy needle.
Background technique
As the bring living habit of the factors such as environmental pollution and urbanization changes in process of industrialization, China resident's is swollen
Tumor illness rate and the death rate significantly improve.Microwave Coagulation Therapy tumour technology is small with its wound, risk is low, post-operative recovery is fast etc.
Advantage is increasingly subject to the favor of numerous patients.
For malignant tumour, pathological classification, parting are during even whether genetic test has mutation to be disease treatment
Matter of utmost importance, testing result directly determines corresponding therapeutic scheme.Currently, the percutaneous biopsy under CT guidance is
Most common, most widely used Biopsy art, but since CT has ionising radiation, soft-tissue image's resolution ratio is not high, and portion
Divide metal implant patient there are artifacts, so that CT guidance has certain limitation in terms of judging tumor boundaries and positioning.MRI
(Magnetic Resonance Imaging, Magnetic resonance imaging) is using nuclear magnetic resonance principle, according to the energy discharged
The decaying different in different structure environment inside the substance passes through additional gradient magnetic and detects launched electromagnetic wave
It obtains and constitutes the nuclear position of this object and type, and be depicted as the structural images of interior of articles.MRI is extensive at present
Applied to clinic, such as ligament, muscle, abdominal organs, and due to the radiationless exposure hazard of MRI, it is commonly used for reproductive system, cream
The scanning in room, pelvis and bladder.Compared to CT, MRI image resolution ratio, soft tissue contrast and it is any multi-faceted in terms of
With greater advantage.In addition, the secondary inserting needle ablation of microwave melt needle certainly will will increase the pain of patient after aspiration biopsy, increase
Add the incidence of postoperative complications, current ablation needle need in terms of improving aspiration biopsy accuracy and mitigating patient's slight illness
It is promoted.
Utility model content
Purpose of utility model: technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide one
The microwave melt needle and puncture biopsy needle of kind magnetic resonance compatibility aspiration biopsy guiding.
In order to solve the above-mentioned technical problem, the utility model provides a kind of the micro- of magnetic resonance compatibility aspiration biopsy guiding
Wave ablation needle, needle core and ablation needle ontology including can be used in aspiration biopsy, the ablation needle ontology includes sequentially connected
Syringe needle, shank and handle are hollow structure in the middle part of the syringe needle, shank and handle, be equipped in the hollow structure with
The inner tube of needle core adaptation, the inner tube of the ablation needle ontology can enter human body target position along needle core.
In the utility model, polytetrafluoroethylene (PTFE) set is equipped between the shank and syringe needle, the polytetrafluoroethylene (PTFE) set includes
Polytetrafluoroethylene (PTFE) covers ontology and polytetrafluoroethylene (PTFE) and covers stepped part, and polytetrafluoroethylene (PTFE) covers stepped part diameter and is less than shank diameter, and poly- four
Vinyl fluoride covers ontology and is arranged between shank and syringe needle, and polytetrafluoroethylene (PTFE) covers between stepped part insertion shank and inner tube.
In the utility model, the syringe needle includes spike body, the first syringe needle stepped part and the second syringe needle stepped part, described
First syringe needle stepped part diameter is less than polytetrafluoroethylene (PTFE) and covers ontology diameter, and the second syringe needle stepped part diameter is less than polytetrafluoroethylene (PTFE) set
Interconnecting piece, the setting of the first syringe needle stepped part is in polytetrafluoroethylene (PTFE) set ontology between inner tube, and the setting of the second syringe needle stepped part is poly-
Tetrafluoroethene covers between stepped part and inner tube.
In the utility model, the second syringe needle stepped part is equipped with the bias that the gap location between shank and inner tube is connected to
Slot.
In the utility model, the handle rear end is equipped with water tank, and the compatible alloy water pipe head of magnetic and magnetic are equipped in water tank
Compatible radio coaxial connector, the compatible alloy water pipe head of magnetic connect capillary, and the connection of magnetic compatible radio coaxial connector is coaxial
Cable, the capillary and coaxial cable are arranged in the gap between shank and inner tube and extend to needle end, described same
Shaft cable is in the eccentric grove of syringe needle one end insertion needle interconnecting piece.
In the utility model, needle core, puncture biopsy needle outer tube, shank, inner tube, capillary and water tank, which are that magnetic is compatible, to be closed
Gold is made.
In the utility model, said inner tube is glued on the hollow structure of syringe needle, shank and handle.
The invention also discloses a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding is matching used
Puncture biopsy needle, which is characterized in that described to wear including puncture biopsy needle outer tube, puncture biopsy needle handle and detachable handle
Piercing biopsy needle outer tube is the hollow structure being adapted to needle core, and needle core is removably attachable on detachable handle, and needle core being capable of edge
The hollow structure of puncture biopsy needle outer tube enter human body target position.
In the utility model, detachable handle is removably connect with needle core, after disassembling detachable handle, is enabled to
Needle core position is constant, and puncture biopsy needle outer tube is removed human body target position along needle core.
In the utility model, detachable handle includes clamp frame, clamp jaw and clamping head, and clamping head includes a slope
Face, clamp frame and clamping head are actively socketed on needle core, and clamp jaw screws between clamp frame and clamping head along slope, are compeled
Tight head compresses needle core and forms fixation, reversely unscrews clamp jaw, then clamping head unclamps needle core.
The utility model has the advantages that the microwave ablation of magnetic provided by the utility model compatible puncture biopsy needle and magnetic compatible puncture needle guiding
Needle needle core, puncture biopsy needle outer tube, shank, inner tube, capillary and water tank are that the compatible alloy of magnetic is made, can be in MRI
(Magnetic Resonance Imaging, Magnetic resonance imaging) guidance is lower to carry out interventional minimally-invasive treatment, effectively CT is avoided to draw
Brought radiation injury is led, using the advantage of MRI image resolution ratio, soft tissue contrast, any multi-faceted imaging etc.,
Guarantee the accuracy and accuracy punctured, and more specific judgement is made for the effect treated after ablation.
After completing aspiration biopsy under MRI guidance, the magnetic compatible with microwave ablation needle of hollow structure is in the compatible aspiration biopsy of magnetic
Pathological tissues are punctured under the guiding role of needle needle core and carry out microwave ablation operation, can effectively be avoided secondary inserting needle, be reduced to trouble
The injury of person reduces the risk of pollution.
Detailed description of the invention
The utility model is done with reference to the accompanying drawings and detailed description and is further illustrated, the utility model
Above-mentioned or otherwise advantage will become apparent.
Fig. 1 is microwave melt needle schematic diagram；
Fig. 2 is microwave melt needle cross-sectional view；
Fig. 3 is cross-sectional view；
Fig. 4 is handle and water tank schematic diagram；
Fig. 5 is puncture biopsy needle schematic diagram；
Fig. 6 is puncture biopsy needle cross-sectional view；
Fig. 7 is that aspiration biopsy is needled into pathological tissues schematic diagram；
Fig. 8 is to lay down puncture biopsy needle detachable handle schematic diagram；
Fig. 9 is that microwave melt needle is pierced into pathological tissues schematic diagram under the guiding of needle core；
Figure 10 is microwave melt needle working state schematic representation.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model.
Embodiment 1:
Such as Fig. 1, a kind of microwave melt needle provided in this embodiment, including the compatible alloy syringe needle 5 of magnetic, polytetrafluoroethylene (PTFE) set 6,
The compatible alloy shank 7 of magnetic and medical plastic handle 8, the compatible alloy syringe needle 5 of magnetic, polytetrafluoroethylene (PTFE) set 6, the compatible alloy shank 7 of magnetic
Composition ablation needle ontology is sequentially connected with medical plastic handle 8.
Such as Fig. 2 and Fig. 3, including magnetic compatible radio coaxial cable 12, the compatible alloy capillary 13 of water inlet magnetic, the compatible alloy of magnetic
Inner tube 14, encapsulating region 16, the compatible alloy needle head-tail eccentric grove 17 of magnetic, the compatible alloy syringe needle of magnetic are hollow structure 18 and magnetic
Compatible radio the inner conductor of the coaxial cable 19, the compatible alloy syringe needle 5 of magnetic is hollow structure 18, magnetic compatible radio the inner conductor of the coaxial cable
It is fixed in the compatible 5 tail portion eccentric grove 17 of alloy syringe needle of 19 insertion magnetic and by welding manner, it is simultaneous that polytetrafluoroethylene (PTFE) set 6 is sleeved on magnetic
Hold on 5 tail end step surface of alloy syringe needle；The compatible rod of metal alloy 7 of the magnetic is sleeved on the step surface of polytetrafluoroethylene (PTFE) set 6 and passes through
Medical glue sealing, fixation；The compatible alloy inner tube 14 of the magnetic runs through entire ablation needle, one end 5 needle of alloy syringe needle compatible with magnetic
Tip surface is concordant, and one end is concordant with ablation needle breech face through the compatible alloy water tank 15 of magnetic of ablation Aculeata；Magnetic is compatible with alloy
By medical glue sealing, fixation between the alloy syringe needle 5 compatible with magnetic of inner tube 14, titanium alloy syringe needle breech face region 16 needs encapsulating
Processing, to guarantee the compatible alloy syringe needle 5 of magnetic, 12 outer conductor of magnetic compatible radio coaxial cable, between titanium alloy shank 7 each other absolutely
Edge；The titanium alloy water tank 15 is sleeved on 7 tail portion of titanium alloy shank and by being welded and fixed, and the compatible alloy inner tube 14 of magnetic, magnetic are simultaneous
Hold radio frequency coaxial-cable 12 respectively with the titanium alloy water pipe head 10 on titanium alloy water tank 15, magnetic compatible radio coaxial connector 11
Weld together, passes through welding between titanium alloy water pipe head 10, magnetic compatible radio coaxial connector 11 and titanium alloy water tank 15
It is sealed.The medical plastic handle 8 passes through titanium alloy shank 7 and is sleeved on titanium alloy water tank 15, and magnetic compatible radio is same
Mandrel connector 11 and titanium alloy water pipe head 10 are exposed at 8 outside of medical plastic handle.
In the present embodiment, with the core needle being arranged with for guiding in inner tube 14.
Polytetrafluoroethylene (PTFE) set 6 is equipped between shank 7 and syringe needle 5, the polytetrafluoroethylene (PTFE) set 6 includes that polytetrafluoroethylene (PTFE) covers this
Body 6a and polytetrafluoroethylene (PTFE) cover stepped part 6b, and polytetrafluoroethylene (PTFE) covers stepped part diameter and is less than shank diameter, and polytetrafluoroethylene (PTFE) set is originally
Body 6a is arranged between shank 7 and syringe needle 5, and polytetrafluoroethylene (PTFE) covers between stepped part 6b insertion shank 7 and inner tube 14.Syringe needle 5 wraps
Spike body 5a, the first syringe needle stepped part 5b and the second syringe needle stepped part 5c are included, the first syringe needle stepped part diameter is less than poly-
Tetrafluoroethene covers ontology diameter, and the second syringe needle stepped part diameter is less than polytetrafluoroethylene (PTFE) and covers interconnecting piece, and the first syringe needle stepped part is set
Set polytetrafluoroethylene (PTFE) set ontology between inner tube, the second syringe needle stepped part setting polytetrafluoroethylene (PTFE) set stepped part and inner tube it
Between.
The compatible alloy material of the magnetic specifically includes that titanium alloy, copper alloy, kirsite, aluminium alloy, niobium alloy, NiTi close
Gold, ceramics, the compatible alloy material of magnetic including but not limited to listed above.
The medical plastic specifically includes that polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS)
With K resin, acrylonitrile-butadiene-styrene (ABS) (ABS), polycarbonate (PC), polytetrafluoroethylene (PTFE) (PTFE), including but not limited to
The compatible alloy material of magnetic listed above.
The medical glue requires high temperature resistant, and is tested by biocompatibility.Magnetic is compatible with 5 maximum outside diameter of alloy syringe needle
1.6-2.5mm, total length 6-30mm, tail portion step surface outer diameter 1.2-2.1mm, length 0.3-10mm；The compatible alloy needle of the magnetic
First 5 tail portion eccentric grove diameter 0.2-0.6mm, and it is slightly larger than 12 inner conductor diameter of magnetic compatible radio coaxial cable.
The magnetic compatible 7 outer diameter 1.6-2.5mm of alloy shank, total length 80-250mm, wall thickness 0.1-0.3mm.
The manufacturing method of microwave melt needle mainly comprises the steps that
Step 1: 14 one end of inner tube of the compatible alloy material of magnetic being passed through to the syringe needle 5 of the compatible alloy material of magnetic, makes its end
5 end of syringe needle of alloy material compatible with magnetic is concordant, and dispensing is fixed, sealed each other；
Step 2: 12 inner conductor of magnetic compatible radio coaxial cable being inserted into the eccentric grove 17 of titanium alloy material syringe needle, and led to
It crosses and is welded and fixed；
Step 3: polytetrafluoroethylene (PTFE) is covered 6 sets on the compatible 5 first syringe needle stepped part 5b of alloy syringe needle of magnetic；
Step 4: the polytetrafluoroethylene (PTFE) that the shank 7 of the compatible alloy material of magnetic is sleeved on polytetrafluoroethylene (PTFE) set is covered into stepped part 6b
On, make the alloy inner tube 14 compatible with magnetic of magnetic compatible radio coaxial cable 12 through the compatible alloy shank 7 of magnetic；
Step 5: being worn inside the compatible alloy shank 7 of magnetic to from compatible 5 breech face of alloy syringe needle of magnetic with special lengthening syringe needle
Encapsulating guarantees that magnetic is compatible between the compatible alloy shank 7 of alloy syringe needle 5,12 outer conductor of magnetic compatible radio coaxial cable, magnetic each other absolutely
Edge；
Step 6: water tank 15 being sleeved on the tail end of the compatible alloy shank 7 of magnetic and by being welded and fixed, sealing；
Step 7: by the compatible alloy inner tube 14 of magnetic, magnetic compatible radio coaxial cable 12 respectively with have been attached on water tank 15
The compatible alloy water pipe head 10 of magnetic, magnetic compatible radio coaxial connector 11 welds together；The alloy water pipe head 10 of magnetic compatibility,
It is sealed between the alloy water tank 15 compatible with magnetic of magnetic compatible radio coaxial connector 11 by welding；
Step 8: the handle 8 of medical plastic material being passed through into the compatible alloy shank 7 of magnetic and is sleeved on the compatible alloy water tank of magnetic
On 15, guarantee that magnetic and radio frequency (RF) coaxial connector 11 and the compatible alloy water pipe head 10 of magnetic are exposed at 8 outside of medical plastic handle, it is medical
It is insulated between plastic handle 8, magnetic and radio frequency (RF) coaxial connector 11, compatible 10 three of alloy water pipe head of magnetic by encapsulating and close
Envelope.
Embodiment 2:
Such as Fig. 5 and Fig. 6, present embodiment discloses the compatible puncture biopsy needle of magnetic, the compatible puncture biopsy needle of magnetic is worn by magnetic compatibility
It pierces the compatible puncture biopsy needle outer tube handle 2 of biopsy needle outer tube 1, magnetic compatible puncture needle biopsy needle needle core 3, magnetic and compatible puncture of magnetic is lived
It examines needle needle core detachable handle 4 to form, the compatible puncture biopsy needle needle core compatible with magnetic of puncture biopsy needle needle core detachable handle 4 of magnetic
3 can manual separation, convenient for the compatible puncture biopsy needle outer tube 1 of magnetic from compatible 3 tail end of the puncture biopsy needle needle core extraction of magnetic, magnetic is compatible
Puncture biopsy needle needle core 3 and the compatible puncture biopsy needle outer tube 1 of magnetic are made of titanium alloy material, and the compatible puncture biopsy needle needle core of magnetic can
Removal handle 4 and the compatible puncture biopsy needle outer tube handle 2 of magnetic are made of ABS.
Detachable handle 4 includes clamp frame 4a, clamp jaw 4b and clamping head 4c, and clamping head 4c includes a slope, folder
Tight frame 4a and clamping head 4c is actively socketed on needle core 3, and clamp jaw 4b is along slope between clamp frame 4a and clamping head 4c
It screws, clamping head 4c compresses needle core 3 and forms fixation, and reversed to unscrew clamp jaw 4b, then clamping head 4c unclamps needle core.Clamp frame 4a and
It is threadedly coupled between clamp jaw 4b.
The present embodiment is sampled for puncturing and is positioned using core needle, and cooperation ablation needle carries out ablation operation.
Embodiment 3:
The present embodiment includes all the elements of embodiment 1 and embodiment 2, by common group of microwave melt needle and puncture biopsy needle
The microwave melt needle being oriented at a kind of magnetic resonance compatibility aspiration biopsy.
Wherein microwave melt needle, including the compatible alloy syringe needle 5 of magnetic, polytetrafluoroethylene (PTFE) set 6, the compatible alloy shank 7 of magnetic and doctor
With plastic handle 8, the compatible alloy syringe needle 5 of magnetic, polytetrafluoroethylene (PTFE) set 6, the compatible alloy shank 7 of magnetic and medical plastic handle 8 are successively
Connection composition ablation needle ontology.
Microwave melt needle further includes magnetic compatible radio coaxial cable 12, the compatible alloy capillary 13 of water inlet magnetic, the compatible conjunction of magnetic
Golden inner tube 14, encapsulating region 16, the compatible alloy needle head-tail eccentric grove 17 of magnetic, the compatible alloy syringe needle of magnetic be hollow structure 18 with
And magnetic compatible radio the inner conductor of the coaxial cable 19, magnetic are compatible with alloy syringe needle 5 for hollow structure 18, in magnetic compatible radio coaxial cable
Conductor 19 is inserted into the compatible 5 tail portion eccentric grove 17 of alloy syringe needle of magnetic and is fixed by welding manner, and polytetrafluoroethylene (PTFE) set 6 is sleeved on
On the compatible 5 tail end step surface of alloy syringe needle of magnetic；The compatible rod of metal alloy 7 of the magnetic is sleeved on the step surface of polytetrafluoroethylene (PTFE) set 6 simultaneously
Pass through medical glue sealing, fixation；The compatible alloy inner tube 14 of the magnetic runs through entire ablation needle, one end alloy syringe needle compatible with magnetic
5 needle point end faces are concordant, and one end is concordant with ablation needle breech face through the compatible alloy water tank 15 of magnetic of ablation Aculeata；Magnetic is compatible
By medical glue sealing, fixation between the alloy syringe needle 5 compatible with magnetic of alloy inner tube 14, titanium alloy syringe needle breech face region 16 is needed
Encapsulating processing, to guarantee the compatible alloy syringe needle 5 of magnetic, 12 outer conductor of magnetic compatible radio coaxial cable, between titanium alloy shank 7 each other
Insulation；The titanium alloy water tank 15 is sleeved on 7 tail portion of titanium alloy shank and by being welded and fixed, magnetic compatible alloy inner tube 14, magnetic
Compatible radio coaxial cable 12 respectively with the titanium alloy water pipe head 10 on titanium alloy water tank 15, magnetic compatible radio coaxial connector
11 weld together, and pass through weldering between titanium alloy water pipe head 10, magnetic compatible radio coaxial connector 11 and titanium alloy water tank 15
It connects and is sealed.The medical plastic handle 8 passes through titanium alloy shank 7 and is sleeved on titanium alloy water tank 15, magnetic compatible radio
Coaxial connector 11 and titanium alloy water pipe head 10 are exposed at 8 outside of medical plastic handle.
With the core needle being arranged with for guiding in inner tube 14.
Polytetrafluoroethylene (PTFE) set 6 is equipped between shank 7 and syringe needle 5, the polytetrafluoroethylene (PTFE) set 6 includes that polytetrafluoroethylene (PTFE) covers this
Body 6a and polytetrafluoroethylene (PTFE) cover stepped part 6b, and polytetrafluoroethylene (PTFE) covers stepped part diameter and is less than shank diameter, and polytetrafluoroethylene (PTFE) set is originally
Body 6a is arranged between shank 7 and syringe needle 5, and polytetrafluoroethylene (PTFE) covers between stepped part 6b insertion shank 7 and inner tube 14.Syringe needle 5 wraps
Spike body 5a, the first syringe needle stepped part 5b and the second syringe needle stepped part 5c are included, the first syringe needle stepped part diameter is less than poly-
Tetrafluoroethene covers ontology diameter, and the second syringe needle stepped part diameter is less than polytetrafluoroethylene (PTFE) and covers interconnecting piece, and the first syringe needle stepped part is set
Set polytetrafluoroethylene (PTFE) set ontology between inner tube, the second syringe needle stepped part setting polytetrafluoroethylene (PTFE) set stepped part and inner tube it
Between.
The compatible alloy material of the magnetic specifically includes that titanium alloy, copper alloy, kirsite, aluminium alloy, niobium alloy, NiTi close
Gold, ceramics, the compatible alloy material of magnetic including but not limited to listed above.
The medical plastic specifically includes that polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS)
With K resin, acrylonitrile-butadiene-styrene (ABS) (ABS), polycarbonate (PC), polytetrafluoroethylene (PTFE) (PTFE), including but not limited to
The compatible alloy material of magnetic listed above.
The medical glue requires high temperature resistant, and is tested by biocompatibility.Magnetic is compatible with 5 maximum outside diameter of alloy syringe needle
1.6-2.5mm, total length 6-30mm, tail portion step surface outer diameter 1.2-2.1mm, length 0.3-10mm；The compatible alloy needle of the magnetic
First 5 tail portion eccentric grove diameter 0.2-0.6mm, and it is slightly larger than 12 inner conductor diameter of magnetic compatible radio coaxial cable.
The magnetic compatible 7 outer diameter 1.6-2.5mm of alloy shank, total length 80-250mm, wall thickness 0.1-0.3mm.
The manufacturing method of the microwave melt needle of magnetic compatible puncture needle guidance mainly comprises the steps that
Step 1: 14 one end of inner tube of the compatible alloy material of magnetic being passed through to the syringe needle 5 of the compatible alloy material of magnetic, makes its end
5 end of syringe needle of alloy material compatible with magnetic is concordant, and dispensing is fixed, sealed each other；
Step 2: 12 inner conductor of magnetic compatible radio coaxial cable being inserted into the eccentric grove 17 of titanium alloy material syringe needle, and led to
It crosses and is welded and fixed；
Step 3: polytetrafluoroethylene (PTFE) is covered 6 sets on the compatible 5 first syringe needle stepped part 5b of alloy syringe needle of magnetic；
Step 4: the polytetrafluoroethylene (PTFE) that the shank 7 of the compatible alloy material of magnetic is sleeved on polytetrafluoroethylene (PTFE) set is covered into stepped part 6b
On, make the alloy inner tube 14 compatible with magnetic of magnetic compatible radio coaxial cable 12 through the compatible alloy shank 7 of magnetic；
Step 5: being worn inside the compatible alloy shank 7 of magnetic to from compatible 5 breech face of alloy syringe needle of magnetic with special lengthening syringe needle
Encapsulating guarantees that magnetic is compatible between the compatible alloy shank 7 of alloy syringe needle 5,12 outer conductor of magnetic compatible radio coaxial cable, magnetic each other absolutely
Edge；
Step 6: water tank 15 being sleeved on the tail end of the compatible alloy shank 7 of magnetic and by being welded and fixed, sealing；
Step 7: by the compatible alloy inner tube 14 of magnetic, magnetic compatible radio coaxial cable 12 respectively with have been attached on water tank 15
The compatible alloy water pipe head 10 of magnetic, magnetic compatible radio coaxial connector 11 welds together；The alloy water pipe head 10 of magnetic compatibility,
It is sealed between the alloy water tank 15 compatible with magnetic of magnetic compatible radio coaxial connector 11 by welding；
Step 8: the handle 8 of medical plastic material being passed through into the compatible alloy shank 7 of magnetic and is sleeved on the compatible alloy water tank of magnetic
On 15, guarantee that magnetic and radio frequency (RF) coaxial connector 11 and the compatible alloy water pipe head 10 of magnetic are exposed at 8 outside of medical plastic handle, it is medical
It is insulated between plastic handle 8, magnetic and radio frequency (RF) coaxial connector 11, compatible 10 three of alloy water pipe head of magnetic by encapsulating and close
Envelope.
Puncture biopsy needle therein is simultaneous by the compatible puncture biopsy needle outer tube 1 of magnetic, magnetic compatible puncture needle biopsy needle needle core 3, magnetic
Hold puncture biopsy needle outer tube handle 2 and the compatible puncture biopsy needle needle core detachable handle 4 of magnetic forms, the compatible puncture biopsy needle needle of magnetic
The puncture biopsy needle needle core 3 compatible with magnetic of core detachable handle 4 can manual separation, convenient for the compatible puncture biopsy needle outer tube 1 of magnetic from magnetic
Compatible 3 tail end of puncture biopsy needle needle core extraction, the compatible puncture biopsy needle needle core 3 of magnetic and the compatible puncture biopsy needle outer tube 1 of magnetic are by titanium
Alloy material is made, and the compatible puncture biopsy needle needle core detachable handle 4 of magnetic and the compatible puncture biopsy needle outer tube handle 2 of magnetic use ABS
It is made.
Detachable handle 4 includes clamp frame 4a, clamp jaw 4b and clamping head 4c, and clamping head 4c includes a slope, folder
Tight frame 4a and clamping head 4c is actively socketed on needle core 3, and clamp jaw 4b is along slope between clamp frame 4a and clamping head 4c
It screws, clamping head 4c compresses needle core 3 and forms fixation, and reversed to unscrew clamp jaw 4b, then clamping head 4c unclamps needle core.Clamp frame 4a and
It is threadedly coupled between clamp jaw 4b.
Such as Fig. 7, Fig. 8, Fig. 9 and Figure 10, a kind of use of the microwave melt needle of compatible puncture biopsy needle guiding of magnetic is disclosed
The compatible puncture biopsy needle of magnetic is first lunged pathological tissues 9 under MRI guidance by process, such as Fig. 7, extracts the compatible biopsy needle of magnetic
Needle core, pathological tissues are obtained by the compatible biopsy needle outer tube of magnetic and do pathological analysis, then by the compatible biopsy needle of magnetic
Needle core resets；Such as Fig. 8, the compatible puncture biopsy needle needle core handle of magnetic is laid down, and the compatible puncture biopsy needle outer tube extraction of magnetic is external；
Such as Fig. 9, the magnetic compatible with microwave ablation needle of hollow structure is punctured into lesion group under the guiding of the compatible puncture biopsy needle needle core of magnetic
Knit 9；Magnetic compatible with microwave ablation needle after being pierced into pathological tissues is as shown in Figure 10.
The application method of the microwave melt needle of the compatible puncture biopsy needle guiding of the magnetic of the present embodiment is as follows:
Step 1:, will be originally practical new under MRI (Magnetic Resonance Imaging, Magnetic resonance imaging) guidance
The compatible biopsy needle of magnetic described in type is inserted into pathological tissues；
Step 2: extracting the needle core 3 of the compatible biopsy needle of magnetic, lesion group is obtained by the compatible biopsy needle outer tube 1 of magnetic
It knits and does pathological analysis；
Step 3: the needle core 3 of the compatible biopsy needle of magnetic being inserted into the compatible biopsy needle outer tube 1 of magnetic, removes the compatible work of magnetic
Magnetic is compatible with biopsy needle outer tube 1 from the compatible biopsy needle of magnetic by the needle core detachable handle 4 for examining the needle core tail end of puncture needle
The tail end extraction of needle core 3 is external；
Step 4: guiding of the hollow microwave melt needle that magnetic compatible puncture needle is oriented in the compatible biopsy needle needle core 3 of magnetic
Effect is lower to be inserted into pathological tissues；
Step 5: carrying out microwave ablation operation；
Step 6: after Microwave Coagulation Therapy, the microwave melt needle that magnetic compatible puncture needle is oriented to is extracted out external；
Step 7: the detachable handle 4 of compatible 3 tail end of puncture biopsy needle needle core of magnetic is packed into the compatible biopsy needle needle of magnetic
Core 3, and extraction is external together；
Step 8: being sterilized, wrapped up to surgical wound.
Wherein in step 2, the compatible biopsy needle outer tube of magnetic can pass through negative-pressure ward pathological tissues, such as syringe.
Wherein in step 3, needle core surface needs to polish, to reduce frictional force；Also, needle core length is twice in outside puncture needle
Length of tube when operation, first pinches needle core proximal end, removes the compatible biopsy needle outer tube of magnetic outward, after human body to be removed, pinches remote
The compatible biopsy needle outer tube of magnetic is fully removed needle core by the needle core at end.
The utility model provides microwave melt needle and the aspiration biopsy of a kind of magnetic resonance compatibility aspiration biopsy guiding
Needle, there are many method and the approach for implementing the technical solution, and the above is only the preferred embodiment of the utility model, answers
It, for those skilled in the art, without departing from the principle of this utility model, can be with when pointing out
Several improvements and modifications are made, these improvements and modifications also should be regarded as the protection scope of the utility model.It is unknown in the present embodiment
The available prior art of true each component part is realized.
Claims (10)
1. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding, which is characterized in that live including can be used in puncturing
The needle core (3) and ablation needle ontology of inspection, the ablation needle ontology include sequentially connected syringe needle (5), shank (7) and handle (8),
It is hollow structure in the middle part of the syringe needle, shank and handle, the inner tube being adapted to needle core is equipped in the hollow structure
(14), the inner tube (14) of the ablation needle ontology can enter human body target position along needle core.
2. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 1, which is characterized in that
Polytetrafluoroethylene (PTFE) set (6) are equipped between the shank (7) and syringe needle (5), the polytetrafluoroethylene (PTFE) set (6) includes polytetrafluoroethylene (PTFE)
Ontology (6a) and polytetrafluoroethylene (PTFE) set stepped part (6b) are covered, polytetrafluoroethylene (PTFE) covers stepped part diameter and is less than shank diameter, polytetrafluoro
Vinyl covering ontology (6a) be arranged between shank (7) and syringe needle (5), polytetrafluoroethylene (PTFE) cover stepped part (6b) insertion shank (7) and
Between inner tube (14).
3. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 2, which is characterized in that
The syringe needle (5) includes spike body (5a), the first syringe needle stepped part (5b) and the second syringe needle stepped part (5c), first needle
Head stepped part diameter is less than polytetrafluoroethylene (PTFE) and covers ontology diameter, and the second syringe needle stepped part diameter is less than polytetrafluoroethylene (PTFE) set connection
Portion, in polytetrafluoroethylene (PTFE) set ontology between inner tube, the second syringe needle stepped part is arranged in polytetrafluoro the setting of the first syringe needle stepped part
Between vinyl covering stepped part and inner tube.
4. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 3, which is characterized in that
The second syringe needle stepped part is equipped with the eccentric grove (17) that the gap location between shank (7) and inner tube (14) is connected to.
5. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 4, which is characterized in that
Handle (8) rear end is equipped with water tank (15), and magnetic compatible alloy water pipe head (10) is equipped in water tank and magnetic compatible radio is same
Mandrel connector (11), compatible alloy water pipe head connection capillary (13) of magnetic, magnetic compatible radio coaxial connector connect coaxial electrical
Cable (12), the capillary (13) and coaxial cable (12) are arranged between shank and inner tube and extend to syringe needle one end, institute
Coaxial cable is stated in the eccentric grove (17) of syringe needle one end insertion needle interconnecting piece.
6. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 5, which is characterized in that
Needle core (3), shank (7), inner tube (14), capillary (13) and water tank (15) are that the compatible alloy of magnetic is made.
7. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 6, which is characterized in that
Said inner tube is glued on the hollow structure of syringe needle, shank and handle.
8. a kind of matching used puncture biopsy needle of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding, feature exist
In including puncture biopsy needle outer tube (1), puncture biopsy needle handle (2) and detachable handle (4), outside the puncture biopsy needle
Managing (1) is the hollow structure being adapted to needle core, and needle core (3) is removably attachable on detachable handle (4), and needle core (3) can
Enter human body target position along the hollow structure of puncture biopsy needle outer tube.
It is worn 9. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 8 is matching used
Piercing biopsy needle, which is characterized in that detachable handle (4) is removably connect with needle core (3), after disassembling detachable handle (4),
Puncture biopsy needle outer tube (1) can be removed human body target position along needle core (3).
10. a kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding according to claim 9 is matching used
Puncture biopsy needle, which is characterized in that detachable handle (4) includes clamp frame (4a), clamp jaw (4b) and clamping head (4c), is compeled
Tight head (4c) includes a slope, and clamp frame (4a) and clamping head (4c) are actively socketed on needle core (3), clamp jaw (4b) along
Slope screws between clamp frame (4a) and clamping head (4c), and clamping head (4c) compresses needle core (3) and forms fixation, reversed to unscrew
Clamp jaw (4b), then clamping head (4c) unclamps needle core.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093862.3U CN209377742U (en) | 2018-07-11 | 2018-07-11 | The microwave melt needle and puncture biopsy needle of magnetic resonance compatibility aspiration biopsy guiding |
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| CN201821093862.3U CN209377742U (en) | 2018-07-11 | 2018-07-11 | The microwave melt needle and puncture biopsy needle of magnetic resonance compatibility aspiration biopsy guiding |
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| CN209377742U true CN209377742U (en) | 2019-09-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009425A (en) * | 2018-07-11 | 2018-12-18 | 南京康友医疗科技有限公司 | A kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding |
| CN110870783A (en) * | 2019-12-06 | 2020-03-10 | 吕敬群 | Split assembly and surgical accessory |
| CN115778526A (en) * | 2022-07-11 | 2023-03-14 | 南京康友医疗科技有限公司 | Microwave, radio frequency and temperature measurement integrated ablation needle |
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2018
- 2018-07-11 CN CN201821093862.3U patent/CN209377742U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009425A (en) * | 2018-07-11 | 2018-12-18 | 南京康友医疗科技有限公司 | A kind of microwave melt needle of magnetic resonance compatibility aspiration biopsy guiding |
| CN109009425B (en) * | 2018-07-11 | 2024-02-23 | 丽水市中心医院 | Microwave ablation needle guided by magnetic resonance compatible puncture biopsy |
| CN110870783A (en) * | 2019-12-06 | 2020-03-10 | 吕敬群 | Split assembly and surgical accessory |
| CN115778526A (en) * | 2022-07-11 | 2023-03-14 | 南京康友医疗科技有限公司 | Microwave, radio frequency and temperature measurement integrated ablation needle |
| CN115778526B (en) * | 2022-07-11 | 2023-08-29 | 南京康友医疗科技有限公司 | Microwave, radio frequency and temperature measurement integrated ablation needle |
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