CN106236033A - The supporting thermometric needle of ultrasonic tumor instrument and processing technology thereof - Google Patents
The supporting thermometric needle of ultrasonic tumor instrument and processing technology thereof Download PDFInfo
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- CN106236033A CN106236033A CN201610803035.8A CN201610803035A CN106236033A CN 106236033 A CN106236033 A CN 106236033A CN 201610803035 A CN201610803035 A CN 201610803035A CN 106236033 A CN106236033 A CN 106236033A
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- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 31
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000741 silica gel Substances 0.000 claims description 28
- 229910002027 silica gel Inorganic materials 0.000 claims description 28
- 229910001006 Constantan Inorganic materials 0.000 claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 23
- 230000002950 deficient Effects 0.000 claims description 13
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- 229910001316 Ag alloy Inorganic materials 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 244000141353 Prunus domestica Species 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
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- 238000003032 molecular docking Methods 0.000 claims description 3
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- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 12
- 210000001519 tissue Anatomy 0.000 description 5
- 210000003953 foreskin Anatomy 0.000 description 3
- 238000000015 thermotherapy Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6848—Needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
- A61N7/022—Localised ultrasound hyperthermia intracavitary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/06—Accessories for medical measuring apparatus
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- Heart & Thoracic Surgery (AREA)
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- Radiology & Medical Imaging (AREA)
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Abstract
The invention provides a kind of supporting thermometric needle of ultrasonic tumor instrument and processing technology thereof; belong to biomedical engineering technology field; including syringe needle, handle, heat-shrink tube, protection sleeve pipe, thermometric line, thermocouple and cable connector, syringe needle end is arranged on handle, and thermocouple tip passes syringe needle；Handle connecting needle and thermometric line, handle sleeve is outside heat-shrink tube；Protection casing pipe sleeve is outside the sleeve pipe of thermometric line；Wire one end of thermometric line and thermocouple connect, and the wire other end of thermometric line is connected with cable connector；The junction that shrinkable sleeve connects at thermometric line and thermocouple; the invention also discloses the processing technology of thermometric needle; the wire of thermometric line of the present invention is connected with thermocouple, uses wire and the thermocouple junction of heat-shrink tube protection thermometric line, and sleeve pipe protected by the sleeve pipe overcoat at thermometric line; use handle connecting needle and thermometric line; and by handle sleeve outside heat-shrink tube, compared with existing thermometric needle, material is good; insulation effect is good, and thermometric is stable.
Description
Technical field
The present invention relates to biomedical engineering technology field, particularly relate to a kind of supporting thermometric needle of ultrasonic tumor instrument and
Its processing technology.
Background technology
The ultrasonic technique unique curative effect in terms of medical treatment has obtained the generally accreditation of medical circle, and is increasingly paid attention to by clinic
And employing.Medical expert utilizes ultrasonic technique in treatment limbs soft tissue injury, limbs chronic pain rehabilitation, limbs fortune both at home and abroad
Dynamic rehabilitation aspect is long-pending achieves extraordinary curative effect, and ultrasonic therapeutic be extended to the department of Chinese medicine, orthopaedics, surgery, internal medicine, department of pediatrics,
Oncology, andrology, department of obstetrics and gynecology etc., extensively applied in clinic, achieved satisfied therapeutic effect.
Utilizing and ultrasonic carry out thermotherapy or melt, be one of critical treatment means for the treatment of malignant tumor, no matter thermotherapy is also
It is to melt the measurement all be unableing to do without target tissue temperature, only whole target tissue is heated to required treatment temperature and keeps
Can be only achieved good curative effect in certain scope, otherwise gently then fail to respond to any medical treatment, heavy then disease is aggravated, therefore, the most effectively
Measure each key point of target tissue temperature the most crucial, key point has central point, top edge point, bottom margin point etc., mesh
Before, nondestructive measurement target tissue is more difficult at clinical implementation.
The open a kind of multi-point non-interference temp measure probe with non-metal lead wire of the Chinese patent of Publication No. 1062038, this probe is only
Suitably shell temperature is measured, the temperature of internal target tissue should not be measured, because it using the inserting tube of a diameter of 1mm,
Wound must be brought to patient by surgically implanted within the body, lose thermotherapy or the superiority of minimally-invasive treatment melted.
Authorization Notice No. is the open a kind of Multi-point temperature measurement needle of Chinese patent of CN2765165Y, including puncture needle, handle, company
Connecing cable and cable connector, handle is the cylinder of a hollow, and leading portion is tapered, and puncture needle is inserted in handle front end tightly
Hole in, three T-shaped thermocouples in puncture needle, from the beginning of the front end of puncture needle, are arranged in puncture needle the most equally spacedly,
The K silk of each thermocouple and C silk, after puncture needle tail end and handle tail end are drawn, use plastic foreskin to be wrapped to form connection cable
And access cable connector.
Authorization Notice No. is the open a kind of Microminiature temperature-sensing needle of Chinese patent of CN2793708Y, including T-shaped thermocouple, 5
Number entry needle, handle, connection cable and cable plug, handle is the cylinder of a hollow, and its front end is tapered, No. 5 injections
Pin is inserted in the hole of handle front end tightly, and the needle point of No. 5 entry needles is contained within a T-shaped thermocouple, T-shaped thermocouple
K silk and C silk, after No. 5 entry needle tail ends and handle tail end are drawn, use plastic foreskin be wrapped to form connection cable and access electricity
Cable joint.
Both the above thermometric needle, uses plastic foreskin be wrapped to form connection cable and access cable connector, and material is poor, insulation
Weak effect, may result in thermometric unstable, and relevant treatment does not the most just reach expected effect.
Summary of the invention
It is an object of the invention to provide a kind of supporting thermometric needle of ultrasonic tumor instrument and processing technology, insulation effect
Good, thermometric is stable, makes associated treatment produce a desired effect.
The supporting thermometric needle of ultrasonic tumor instrument that the present invention provides, including: syringe needle, handle, heat-shrink tube, protection sleeve pipe,
Thermometric line, thermocouple and cable connector, wherein,
Syringe needle end is arranged on handle, and thermocouple tip passes syringe needle；
Handle connecting needle and thermometric line, handle sleeve is outside heat-shrink tube；
Protection casing pipe sleeve is outside the sleeve pipe of thermometric line；
Wire one end of thermometric line and thermocouple connect, and the wire other end of thermometric line is connected with cable connector；
The junction that shrinkable sleeve connects at thermometric line and thermocouple.
Preferably, thermocouple includes that copper wire and constantan wire, copper wire and constantan wire are connected with the both threads in thermometric line respectively.
Preferably, copper wire is different with the length of constantan wire.
Preferably, handle includes that heat-shrink tube connects end, contiguous block and syringe needle and connects end, and heat-shrink tube connects end and is enclosed within heat-shrink tube
Outward, the end of syringe needle is arranged on syringe needle and connects the outside of end, and contiguous block connects heat-shrink tube and connects end and syringe needle connection end.
Preferably, heat-shrink tube connects end, contiguous block and syringe needle and connects end is round platform or cylinder.
Preferably, heat-shrink tube connects end to be fixed with silica gel at the sleeve pipe of thermometric line, and syringe needle connects end and uses silicon with syringe needle
Glue is fixed.
Preferably, if the syringe needle that syringe needle is No. seven pins, then the end of thermocouple is connected the spacing of end end and is more than with syringe needle
38mm；
If the syringe needle that syringe needle is No. eight pins, then the end of thermocouple is connected the spacing of end end more than 40mm with syringe needle.
Preferably, a length of about the 20mm of heat-shrink tube, a diameter of 1mm, a length of 42-of heat-shrink tube distance thermocouple tip
45mm。
Additionally, the present invention also provides for the processing technology of a kind of supporting thermometric needle of ultrasonic tumor instrument, comprise the following steps:
(1) thermocouple welding, thermocouple welding comprises the following steps:
Step one: take enamel-cover copper wire and enamel-cover constantan wire respective clip 120mm；
Step 2: enamel-cover copper wire and constantan wire depainting process；
Step 3: enamel-cover copper wire and enamel-cover constantan wire depainting 10mm end are alignd from enamel-covered wire depainting position and are screwed in one
Rising, the depainting 20mm other end is also threaded together, and is clipped in negative terminal；
Step 4: depainting 10mm end enamel-cover copper wire and enamel-cover constantan wire being threaded together is clipped in clip with wet non-woven fabrics
On, cut, with shears, the part that 10mm end is unnecessary, enamel-covered wire is submerged；
Step 5: by regulated power supply anode carbon-point near the depainting 10mm end being threaded together spot welding under amplifying dressing table,
Solder joint needs round and smooth full, according to circumstances regulation regulated power supply voltage；
Step 6: ready-made thermocouple is checked, outward appearance and performance, qualified after enter next step, such as defective need
Do over again；
(2) thermocouple japanning, comprises the following steps:
Step one: adjust insullac；
Step 2: by the welding ends japanning of thermocouple, japanning is uniform, and thickness is moderate, needs to ensure that No. 7 syringe needles can pass；
Step 3: after first-class paint, puts into baking box baking vanish, and thermocouple uses in an oven and places upside down, and oven temperature sets
Being set to 80 degrees Celsius, the time is 10 minutes；
Step 4: the thermocouple of first-class paint is carried out insulation check and detection of threading a needle, qualified after entrance next step, as do not conformed to
Lattice need to be done over again；
(3) thermocouple welding thermometric line, comprises the following steps:
Step one: japanning thermocouple is cut short 60mm；
Step 2: by thermocouple tip depainting in paint-removing liquid, then by constantan end depainting in paint-removing liquid；
Step 3: 15mm removed by thermometric line the end of a thread sleeve pipe, makes the wire of inside expose 15mm；
Step 4: the red line of thermometric line is cut short 6mm, with flatiron by thermometric the end of a thread portion's peeling 5mm, the most again with japanning
Thermocouple docks；
Step 5: tin welding is crossed in the thermometric wire terminal of docking；
Step 6: the thermometric wire terminal welded is separated and prunes, then japanning, it is desirable to japanning is uniformly comprehensive, exposed
Local all japannings, then enter baking box baking vanish 10 minutes；
Step 7: set shrinkable sleeve does insulation processing；
Step 8: try again Insulation monitoring and functional test, as defective need are done over again, with silica gel by outer layer silica gel tube and
Internal layer heat-shrink tube is fixed, and places 24 hours, and silica gel has been done rear stand-by；
(4) handle and needle fits, comprises the following steps:
Step one: add silica gel at heat-shrink tube end, handle is inserted in thermocouple, by handle top and line thermocouple top
Alignment, pyrocondensation pipe end reserves 1mm and facilitates gluing；
Step 2: connect end outer surface at syringe needle and add silica gel, syringe needle is inserted in；
Step 3: ready-made thermometric needle is carried out Insulation monitoring, as defective need are done over again, qualified after place after 24 hours,
Re-test one time, as defective need are done over again；
(5) cable connector and thermometric wire bonding, the red line of cable connector one end jaggy welding thermometric line, the other end
The blue line of welding thermometric line.
Preferably, the soldering and sealing of syringe needle elder generation, melt on alcohol burner with tweezers one block of silver alloy of folder, the needle tip of soldering and sealing will be prepared
End, near flame, then soldering and sealing, then card grinding head, needs syringe needle sharpening, sharpening out, does not have agnail and concavo-convex hole,
Needle surface is smooth.
The invention has the beneficial effects as follows: the wire of thermometric line of the present invention is connected with thermocouple, use heat-shrink tube protection thermometric
The wire of line and thermocouple junction, at the sleeve pipe overcoat protection sleeve pipe of thermometric line, use handle connecting needle and thermometric line, and
By handle sleeve outside heat-shrink tube, compared with existing thermometric needle, material is good, and insulation effect is good, and thermometric is stable, anti-external electromagnetic and
Remaining interference performance is strong.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The ultrasonic tumor instrument supporting thermometric needle schematic diagram that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is syringe needle and the handle portion partial schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument shown in Fig. 1；
The handle first embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 3 provides for the present invention；
Handle the second embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 4 provides for the present invention；
Handle the 3rd embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 5 provides for the present invention；
Handle the 4th embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 6 provides for the present invention.
Reference:
1-syringe needle；2-handle；3-protects sleeve pipe；
4-cable connector；5-heat-shrink tube；6-thermometric line；
7-thermocouple；
21-syringe needle connects end；22-contiguous block；23-heat-shrink tube connects end；
71-constantan wire；72-copper wire.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
The ultrasonic tumor instrument supporting thermometric needle schematic diagram that Fig. 1 provides for the embodiment of the present invention；Fig. 2 is shown in Fig. 1
The syringe needle of the supporting thermometric needle of ultrasonic tumor instrument and handle portion partial schematic diagram；As shown in Figure 1-2, the present embodiment provides
The supporting thermometric needle of ultrasonic tumor instrument, including: syringe needle 1, handle 2, heat-shrink tube 5, protection sleeve pipe 3, thermometric line 6, thermocouple 7 and
Cable connector 4, wherein,
Syringe needle 1 end is arranged on handle 2, and syringe needle 1 does not have agnail and concavo-convex hole, and syringe needle 1 surface is the most smooth, has
Being beneficial to syringe needle 1 and puncture skin, thermocouple 7 end passes syringe needle 1, and the top of thermocouple 7 arrives point for measuring temperature, and thermocouple 7 can not
Pressed, facilitated thermometric.
Handle 2 connecting needle 1 and thermometric line 6, and be enclosed within outside heat-shrink tube 5.
Heat-shrink tube is a kind of special polyolefin material thermal contraction casing tube, it is also possible to be called EVA material.Outer layer uses crosslinking
Polyolefine material and internal layer PUR Compound Machining, cladding material has insulation corrosion protection, the feature such as wear-resisting, and internal layer has eutectic
The advantages such as point, waterproof sealing and high adhesiveness.
Protection sleeve pipe 3 is enclosed within outside the sleeve pipe of thermometric line 6.
Wire one end and the thermocouple 7 of thermometric line 6 connect, and the wire other end of thermometric line 6 is connected with cable connector 4.
Thermocouple is generally T-shaped thermocouple, and in the present embodiment, thermocouple 7 includes copper wire 72 and constantan wire 71, copper wire 72
It is connected with the both threads in thermometric line 6 respectively with constantan wire 71.
Short circuit during in order to prevent thermocouple to be connected with thermometric line, the length of copper wire and constantan wire is set to differ, so,
Copper wire and constantan wire intersect with the terminal of thermometric line, will not contact, it is to avoid short circuit, improve temperature measurement stability.
In another embodiment, constantan wire 71 6mm shorter than copper wire 72.
As in figure 2 it is shown, heat-shrink tube 5 is enclosed within thermometric line 6 and the junction of thermocouple 7 connection.And from aforementioned,
Handle 2 is enclosed within outside heat-shrink tube 5, by heat-shrink tube 5, makes the junction of thermometric line 6 and thermocouple 7 insulate.
For handle, it is provided that four kinds of embodiments.
First embodiment
The handle first embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 3 provides for the present invention.
As it is shown on figure 3, handle 2 includes that heat-shrink tube connects end 23, contiguous block 22 and syringe needle and connects end 21, wherein:
Heat-shrink tube connects end 23 and is enclosed within outside heat-shrink tube 5；
The end of syringe needle 1 is arranged on syringe needle and connects the outside of end 21；
Contiguous block 22 connects heat-shrink tube and connects end 23 and syringe needle connection end 21.
It is round table-like that heat-shrink tube connects end 23, and it is maximum with the diameter of section of contiguous block 22 junction that heat-shrink tube connects end 23,
When installing syringe needle 1, hands is difficult to slip.
Contiguous block 22 is cylindrical, and the basal diameter of contiguous block 22 connects end 23 than heat-shrink tube and cuts with contiguous block 22 junction
The diameter in face is big, thrusts skin and is more easy to have an effect.
It is round table-like that syringe needle connects end 21, and it is the biggest the closer to diameter of section at contiguous block 22 that syringe needle connects end 21, syringe needle company
Connect this kind of design of end 21, make syringe needle 1 reduce resistance, ease of assembly when being inserted in syringe needle connection end 21.
Syringe needle connects use silica gel between end 21 and syringe needle 1 to be fixed, and before the mounting, first connects at syringe needle and coats at end 21
Silica gel, then syringe needle 1 is installed.
Second embodiment
Handle the second embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 4 provides for the present invention.
As shown in Figure 4, handle 2 includes that heat-shrink tube connects end 23, contiguous block 22 and syringe needle and connects end 21, wherein:
Heat-shrink tube connects end 23 and is enclosed within outside heat-shrink tube 5；
The end of syringe needle 1 is arranged on syringe needle and connects the outside of end 21；
Contiguous block 22 connects heat-shrink tube and connects end 23 and syringe needle connection end 21.
It is round table-like that heat-shrink tube connects end 23, and it is maximum with the diameter of section of contiguous block 22 junction that heat-shrink tube connects end 23,
When installing syringe needle 1, hands is difficult to slip.
Contiguous block 22 is round table-like, and the basal diameter of contiguous block 22 connects end 23 than heat-shrink tube and cuts with contiguous block 22 junction
The diameter in face is little, is connected the contiguous block 22 diameter of section minimum that end 23 connects with heat-shrink tube, is connected the company that end 21 connects with syringe needle
Connect block 22 diameter of section maximum, compared with first embodiment, the round table-like work also functioning to conveniently install syringe needle 1 of contiguous block 22
With, when installing syringe needle 1, hands is difficult to slip, further, since the frictional force effect of round platform, is more easy to when syringe needle thrusts skin send out
Power.
It is cylindrical that syringe needle connects end 21, and the end of syringe needle 1 is provided with groove, and syringe needle 1 is connected end 21 with cylindrical syringe needle
Coupling.
Syringe needle connects use silica gel between end 21 and syringe needle 1 to be fixed, and before the mounting, first connects at syringe needle and coats at end 21
Silica gel, then syringe needle 1 is installed.
3rd embodiment
Handle the second embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 5 provides for the present invention.
As it is shown in figure 5, handle 2 includes that heat-shrink tube connects end 23, contiguous block 22 and syringe needle and connects end 21, wherein:
Heat-shrink tube connects end 23 and is enclosed within outside heat-shrink tube 5；
The end of syringe needle 1 is arranged on syringe needle and connects the outside of end 21；
Contiguous block 22 connects heat-shrink tube and connects end 23 and syringe needle connection end 21.
It is round table-like that heat-shrink tube connects end 23, and it is maximum with the diameter of section of contiguous block 22 junction that heat-shrink tube connects end 23,
When installing syringe needle 1, hands is difficult to slip.
Contiguous block 22 is round table-like, and the basal diameter of contiguous block 22 connects end 23 than heat-shrink tube and cuts with contiguous block 22 junction
The diameter in face is little, is connected the contiguous block 22 diameter of section minimum that end 23 connects with heat-shrink tube, is connected the company that end 21 connects with syringe needle
Connect block 22 diameter of section maximum, compared with first embodiment, the round table-like work also functioning to conveniently install syringe needle 1 of contiguous block 22
With, when installing syringe needle 1, hands is difficult to slip, further, since the frictional force effect of round platform, is more easy to when syringe needle thrusts skin send out
Power.
It is round table-like that syringe needle connects end 21, and it is the biggest the closer to diameter of section at contiguous block 22 that syringe needle connects end 21, syringe needle company
Connect this kind of design of end 21, make syringe needle 1 reduce resistance, ease of assembly when being inserted in syringe needle connection end 21.
Syringe needle connects use silica gel between end 21 and syringe needle 1 to be fixed, and before the mounting, first connects at syringe needle and coats at end 21
Silica gel, then syringe needle 1 is installed.
4th embodiment
The handle first embodiment schematic diagram of the supporting thermometric needle of ultrasonic tumor instrument that Fig. 6 provides for the present invention.
As shown in Figure 6, handle 2 includes that heat-shrink tube connects end 23, contiguous block 22 and syringe needle and connects end 21, wherein:
Heat-shrink tube connects end 23 and is enclosed within outside heat-shrink tube 5；
The end of syringe needle 1 is arranged on syringe needle and connects the outside of end 21；
Contiguous block 22 connects heat-shrink tube and connects end 23 and syringe needle connection end 21.
It is round table-like that heat-shrink tube connects end 23, and it is maximum with the diameter of section of contiguous block 22 junction that heat-shrink tube connects end 23,
When installing syringe needle 1, hands is difficult to slip.
Contiguous block 22 is cylindrical, and the basal diameter of contiguous block 22 connects end 23 than heat-shrink tube and cuts with contiguous block 22 junction
The diameter in face is big, thrusts skin and is more easy to have an effect.
It is cylindrical that syringe needle connects end 21, and the end of syringe needle 1 is provided with groove, and syringe needle 1 is connected end 21 with cylindrical syringe needle
Coupling.
Syringe needle connects use silica gel between end 21 and syringe needle 1 to be fixed, and before the mounting, first connects at syringe needle and coats at end 21
Silica gel, then syringe needle 1 is installed.
Certainly, relative to front 4 embodiments, heat-shrink tube connect end 23, contiguous block 22 and syringe needle connect end 21 be round platform or
Cylinder, remaining five combinations differ a citing.But above heat-shrink tube connects end 23, contiguous block 22 and syringe needle and connects end 21
9 kinds of modes of combination of shapes be respectively provided with following common ground:
If it is round table-like that heat-shrink tube connects end 23, it is straight towards the cross section, direction being connected with contiguous block 22 that heat-shrink tube connects end 23
Footpath becomes larger；
If contiguous block 22 is round table-like, contiguous block 22 gradually becomes towards the direction diameter of section being connected end 21 connection with syringe needle
Greatly；
If syringe needle connect end 21 round table-like, syringe needle connect end 21 towards the direction diameter of section being connected with contiguous block 22 by
Gradual change is big.
In above four embodiments, heat-shrink tube connects end 23 to be fixed with silica gel at the sleeve pipe of thermometric line 6.
Protection sleeve pipe 3 is enclosed within heat-shrink tube and connects outside end 23.
Syringe needle 1 has Multiple Type, if the syringe needle that syringe needle 1 is No. seven pins, then the end of thermocouple 7 is connected end 21 end with syringe needle
The spacing of end is more than 38mm；If the syringe needle that syringe needle 1 is No. eight pins, then the end of thermocouple 7 is connected with syringe needle between end 21 end
Away from more than 40mm.
In the present embodiment, a length of 22mm of heat-shrink tube 5, a diameter of 1mm, heat-shrink tube 5 is apart from the length of thermocouple 7 end
For 42-45mm.
In the present embodiment, protection sleeve pipe 3 is silica gel tube.
Invention additionally discloses the processing technology of a kind of supporting thermometric needle of ultrasonic tumor instrument, comprise the following steps:
(1) thermocouple welding, thermocouple welding comprises the following steps:
Step one: take enamel-cover copper wire and enamel-cover constantan wire respective clip 120mm；
Step 2: enamel-cover copper wire and constantan wire depainting process；
Step 3: enamel-cover copper wire and enamel-cover constantan wire depainting 10mm end are alignd from enamel-covered wire depainting position and are screwed in one
Rising, the depainting 20mm other end is also threaded together, and is clipped in negative terminal；
Step 4: depainting 10mm end enamel-cover copper wire and enamel-cover constantan wire being threaded together is clipped in clip with wet non-woven fabrics
On, cut, with shears, the part that 10mm end is unnecessary；
Step 5: by regulated power supply anode carbon-point near the depainting 10mm end being threaded together spot welding under amplifying dressing table,
Solder joint needs round and smooth full, according to circumstances regulation regulated power supply voltage；
Step 6: ready-made thermocouple is checked, outward appearance and performance, qualified after enter next step, such as defective need
Do over again；
(2) thermocouple japanning, comprises the following steps:
Step one: adjust insullac；
Step 2: by the welding ends japanning of thermocouple, japanning is uniform, and thickness is moderate, needs to ensure that No. 7 syringe needles can pass；
Step 3: after first-class paint, puts into baking box baking vanish, and thermocouple uses in an oven and places upside down, and oven temperature sets
Being set to 80 degrees Celsius, the time is 10 minutes；
Step 4: the thermocouple of first-class paint is carried out insulation check and detection of threading a needle, qualified after entrance next step, as do not conformed to
Lattice need to be done over again；
(3) thermocouple welding thermometric line, comprises the following steps:
Step one: japanning thermocouple is cut short 60mm；
Step 2: by thermocouple tip depainting in paint-removing liquid, then by constantan end depainting in paint-removing liquid；
Step 3: 15mm removed by thermometric line the end of a thread sleeve pipe, makes the wire of inside expose 15mm；
Step 4: the red line of thermometric line is cut short 6mm, with flatiron by thermometric the end of a thread portion's peeling 5mm, the most again with japanning
Thermocouple docks；
Step 5: tin welding is crossed in the thermometric wire terminal of docking；
Step 6: the thermometric wire terminal welded is separated and prunes, then uses brush pen japanning, it is desirable to japanning is uniformly comprehensive,
Exposed local all japannings, then enter baking box baking vanish 10 minutes；
Step 7: set shrinkable sleeve does insulation processing；
Step 8: try again Insulation monitoring and functional test, as defective need are done over again, with silica gel by outer layer silica gel tube and
Internal layer heat-shrink tube is fixed, and places 24 hours, and silica gel has been done rear stand-by；
(4) handle and needle fits, comprises the following steps:
Step one: add silica gel at heat-shrink tube end, handle is inserted in thermocouple, by handle top and line thermocouple top
Alignment, pyrocondensation pipe end reserves 1mm and facilitates gluing；
Step 2: the syringe needle at handle connects end end gluing, stand-by after checking adhesion firmly after drying 6 hours；
Step 3: connect end outer surface at syringe needle and add silica gel, syringe needle is inserted in；
Step 4: ready-made thermometric needle is carried out Insulation monitoring, as defective need are done over again, qualified after place after 24 hours,
Re-test one time, as defective need are done over again；
(5) cable connector and thermometric wire bonding, the red line of cable connector one end jaggy welding thermometric line, the other end
The blue line of welding thermometric line.
Wherein, syringe needle needs first soldering and sealing, melts with tweezers one block of silver alloy of folder, will prepare the syringe needle of soldering and sealing on alcohol burner
Most advanced and sophisticated close flame, then starts soldering and sealing from needle tip, and tweezers are in 90 ° with syringe needle, welds afterwards with ultrasonic cleaning, then card grinding
Head, needs syringe needle sharpening, sharpening out, does not have agnail and concavo-convex hole, and needle surface is smooth.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. the supporting thermometric needle of ultrasonic tumor instrument, it is characterised in that including: syringe needle, handle, heat-shrink tube, protection sleeve pipe, thermometric
Line, thermocouple and cable connector, wherein,
Syringe needle end is arranged on handle, and thermocouple tip passes syringe needle；
Handle connecting needle and thermometric line, handle sleeve is outside heat-shrink tube；
Protection casing pipe sleeve is outside the sleeve pipe of thermometric line；
Wire one end of thermometric line and thermocouple connect, and the wire other end of thermometric line is connected with cable connector；
The junction that shrinkable sleeve connects at thermometric line and thermocouple.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 1, it is characterised in that thermocouple include copper wire and
Constantan wire, copper wire and constantan wire are connected with the both threads in thermometric line respectively.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 2, it is characterised in that copper wire and the length of constantan wire
Degree difference.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 1, it is characterised in that handle includes that heat-shrink tube is even
Connecing end, contiguous block and syringe needle and connect end, heat-shrink tube connects end and is enclosed within outside heat-shrink tube, and the end of syringe needle is arranged on syringe needle and connects end
Outside, contiguous block connects heat-shrink tube and connects end and syringe needle connection end.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 4, it is characterised in that heat-shrink tube connects end, company
Connect block and syringe needle connection end is round platform or cylinder.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 4, it is characterised in that heat-shrink tube connects end and survey
Fixing with silica gel at the sleeve pipe of temperature line, syringe needle connects end and uses silica gel to fix with syringe needle.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 4, it is characterised in that if syringe needle is No. seven pins
Syringe needle, then the end of thermocouple is connected the spacing of end end more than 38mm with syringe needle；
If the syringe needle that syringe needle is No. eight pins, then the end of thermocouple is connected the spacing of end end more than 40mm with syringe needle.
The supporting thermometric needle of ultrasonic tumor instrument the most according to claim 1, it is characterised in that a length of 20mm of heat-shrink tube
Left and right, a diameter of 1mm, a length of 42-45mm of heat-shrink tube distance thermocouple tip.
9. the processing technology of the supporting thermometric needle of ultrasonic tumor instrument, it is characterised in that comprise the following steps:
(1) thermocouple welding, thermocouple welding comprises the following steps:
Step one: take enamel-cover copper wire and enamel-cover constantan wire respective clip 120mm；
Step 2: enamel-cover copper wire and constantan wire depainting process；
Step 3: enamel-cover copper wire and enamel-cover constantan wire depainting 10mm end are alignd from enamel-covered wire depainting position and are threaded together, de-
The paint 20mm other end is also threaded together, and is clipped in negative terminal；
Step 4: depainting 10mm end enamel-cover copper wire and enamel-cover constantan wire being threaded together is clipped on clip with wet non-woven fabrics,
Cut, with shears, the part that 10mm end is unnecessary, enamel-covered wire is submerged；
Step 5: by regulated power supply anode carbon-point near the depainting 10mm end being threaded together spot welding, solder joint under amplifying dressing table
Need round and smooth full, according to circumstances regulation regulated power supply voltage；
Step 6: ready-made thermocouple is checked, outward appearance and performance, qualified after enter next step, as defective need are done over again；
(2) thermocouple japanning, comprises the following steps:
Step one: adjust insullac；
Step 2: by the welding ends japanning of thermocouple, japanning is uniform, and thickness is moderate, needs to ensure that No. 7 syringe needles can pass；
Step 3: after first-class paint, puts into baking box baking vanish, and thermocouple uses in an oven and places upside down, and oven temperature is set as
80 degrees Celsius, the time is 10 minutes；
Step 4: the thermocouple of first-class paint is carried out insulation check and detection of threading a needle, qualified after entrance next step, such as defective need
Do over again；
(3) thermocouple welding thermometric line, comprises the following steps:
Step one: japanning thermocouple is cut short 60mm；
Step 2: by thermocouple tip depainting in paint-removing liquid, then by constantan end depainting in paint-removing liquid；
Step 3: 15mm removed by thermometric line the end of a thread sleeve pipe, makes the wire of inside expose 15mm；
Step 4: the red line of thermometric line is cut short 6mm, with flatiron by thermometric the end of a thread portion's peeling 5mm, the most again with japanning thermoelectricity
Couple connects；
Step 5: tin welding is crossed in the thermometric wire terminal of docking；
Step 6: the thermometric wire terminal welded is separated and prunes, then japanning, it is desirable to japanning is uniformly comprehensive, exposed ground
Side's all japannings, then enter baking box baking vanish 10 minutes；
Step 7: set shrinkable sleeve does insulation processing；
Step 8: try again Insulation monitoring and functional test, as defective need are done over again, with silica gel by outer layer silica gel tube and internal layer
Heat-shrink tube is fixed, and places 24 hours, and silica gel has been done rear stand-by；
(4) handle and needle fits, comprises the following steps:
Step one: add silica gel at heat-shrink tube end, handle is inserted in thermocouple, by handle top and line thermocouple top pair
Together, pyrocondensation pipe end reserves 1mm and facilitates gluing；
Step 2: connect end outer surface at syringe needle and add silica gel, syringe needle is inserted in；
Step 3: ready-made thermometric needle is carried out Insulation monitoring, as defective need are done over again, qualified after place after 24 hours, then survey
Try one time, as defective need are done over again；
(5) cable connector and thermometric wire bonding, the red line of cable connector one end jaggy welding thermometric line, the other end welds
The blue line of thermometric line.
The processing technology of the supporting thermometric needle of ultrasonic tumor instrument the most according to claim 9, it is characterised in that syringe needle
First soldering and sealing, melts on alcohol burner with tweezers one block of silver alloy of folder, by the needle tip of preparation soldering and sealing near flame, then seals
Weldering, then card grinding head, need syringe needle sharpening, sharpening out, do not have agnail and concavo-convex hole, needle surface is smooth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803035.8A CN106236033A (en) | 2016-09-05 | 2016-09-05 | The supporting thermometric needle of ultrasonic tumor instrument and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803035.8A CN106236033A (en) | 2016-09-05 | 2016-09-05 | The supporting thermometric needle of ultrasonic tumor instrument and processing technology thereof |
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Application publication date: 20161221 |