CN109998643A - The new-type enhanced retardance needle of ultrasound - Google Patents
The new-type enhanced retardance needle of ultrasound Download PDFInfo
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- CN109998643A CN109998643A CN201910236509.9A CN201910236509A CN109998643A CN 109998643 A CN109998643 A CN 109998643A CN 201910236509 A CN201910236509 A CN 201910236509A CN 109998643 A CN109998643 A CN 109998643A
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- needle tubing
- retardance
- hole
- tubing
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005424 photoluminescence Methods 0.000 description 2
- -1 Formic acid glycol ester Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000002232 neuromuscular Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/36017—External stimulators, e.g. with patch electrodes with leads or electrodes penetrating the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Gastroenterology & Hepatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of new-type enhanced retardance needles of ultrasound, including needle tubing, needle stand and fixing seat；The liquid feeding end of the needle tubing is connect with the needle stand；The fixing seat is equipped with pilot hole and threaded hole, and the pilot hole penetrates through the opposite both ends of the fixing seat, and the needle tubing passes through the pilot hole, and the fixing seat can be along the axial movement of the needle tubing；The threaded hole and the pilot hole cross conducting, and the threaded hole internal screw thread is connected with adjusting screw, and the screw that adjusts is for fixing the position of the fixing seat Yu the needle tubing；After seat to be fixed is moved to required position, it can tighten and adjust screw to fix the position between needle tubing and fixing seat, the positional relationship being not only able between fixed needle tubing and fixing seat at this time, also it is avoided that the case where double swerve occurs in needle tubing, i.e. medical staff singlehanded can carry out operation to retardance needle and maintain fixation, so that both hands carry out different operations simultaneously.
Description
Technical field
The present invention relates to the technical solution of medical instruments field, in particular to a kind of enhanced retardance needle of new-type ultrasound.
Background technique
During application ultrasound retardance needle, ultrasound retardance needle will be inserted into the internal of sufferer, but due to human muscle
Softness, thus no external force hinder in the case where, ultrasound retardance needle be easy to topple over, in order to obtain suitably insertion angle, one
A medical staff must both hands hold steadily ultrasound retardance needle, and the operation such as be infused is carried out by another medical staff, so as to cause behaviour
Make inefficiency, is badly in need of a kind of scheme for being able to solve this technical problem thus.
Summary of the invention
The purpose of the present invention is to provide a kind of new-type enhanced retardance needles of ultrasound, are difficult to solving existing ultrasound retardance needle
The problem of carrying out one-handed performance.
In order to solve the above-mentioned technical problems, the present invention provides a kind of new-type enhanced retardance needles of ultrasound, including needle tubing, needle
Seat and fixing seat；The liquid feeding end of the needle tubing is connect with the needle stand；The fixing seat is equipped with pilot hole and threaded hole, described to lead
The opposite both ends of the fixing seat are penetrated through to hole, the needle tubing passes through the pilot hole, and the fixing seat can be along the needle tubing
Axial movement；The threaded hole and the pilot hole cross conducting, and the threaded hole internal screw thread is connected with adjusting screw, the tune
Section screw is used to fix the position of the fixing seat Yu the needle tubing.
Wherein, the threaded hole conducting that crosses vertical with the pilot hole, the adjusting screw can be adjusted to it is described
Needle tubing abuts.
Wherein, the inside of the pilot hole is equipped with steering ball, and the steering ball is equipped with straight hole, and the straight hole perforation is described to be turned
To ball, the needle tubing also extends through the straight hole, and the aperture bore of the straight hole is less than the aperture bore of the pilot hole, so that institute
It states steering ball and is able to drive the needle tubing and rotated in the pilot hole；The adjusting screw can be adjusted to and the steering ball
It abuts.
Wherein, the needle tubing includes rectangular needle tubing and round needle tubing；The liquid feeding end and the needle stand of the rectangular needle tubing connect
It connects, the outlet end of the rectangular needle tubing connect conducting with the liquid feeding end of the round needle tubing, and the outlet end of the circle needle tubing is set
There is syringe needle.
Wherein, the round needle tubing can be conductive；The needle stand is equipped with conductor wire, and one end of the conductor wire is placed in institute
It states inside needle stand and is electrically connected with the round needle tubing, the other end of the conductor wire is placed in outside the needle stand and electrically connects
It is connected to conductive contact.
Wherein, the rectangular needle tubing can be conductive, and the conductor wire passes through the rectangular needle tubing and the round needle tubing electricity
Property connection, the outer surface of the rectangular needle tubing is covered with insulating coating.
Wherein, the end of the syringe needle is in arc-shaped.
Wherein, the syringe needle is equipped at least one through-hole, the needle wall of the through-hole perforation syringe needle.
Wherein, the hole wall of the through-hole is in polyhedral.
Wherein, the outer wall of the round needle tubing is equipped with multiple shrinkage pools, and multiple shrinkage pools are arranged in honeycomb.
Beneficial effects of the present invention are as follows:
Since the needle tubing passes through the pilot hole, the fixing seat can be along the axial movement of the needle tubing, so hindering
After the sticking of needle is inserted into successfully, fixing seat can be shifted to the insert division of needle tubing；And due to；The threaded hole and the pilot hole are handed over
It converges and is connected, the threaded hole internal screw thread is connected with adjusting screw, and the adjusting screw is for fixing the fixing seat and the needle
The position of pipe, so can be adjusted between the fixed needle tubing of screw and fixing seat by tightening after shifting to required position with fixing seat
Position, the positional relationship being not only able between fixed needle tubing and fixing seat is also avoided that the case where double swerve occurs in needle tubing,
I.e. medical staff singlehanded can carry out operation to retardance needle and maintain fixation, so that both hands carry out different operations simultaneously.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides；
Fig. 2 is the part A enlarged structure schematic diagram of Fig. 1；
Fig. 3 is the adjusting screw and rectangular needle tubing point that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
From status diagram；
Fig. 4 is that the adjusting screw that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides is supported with rectangular needle tubing
Connect status diagram；
Fig. 5 is outside rectangular needle tubing and round needle tubing that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
Cut connection cross section structure schematic diagram；
Fig. 6 is in rectangular needle tubing and round needle tubing that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
Cross section structure schematic diagram is connect in succession；
Fig. 7 is the needle tubing adjustable tilt angle side that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
Case structural schematic diagram one；
Fig. 8 is the needle tubing adjustable tilt angle side that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
Case structural schematic diagram two；
Fig. 9 is the needle tubing adjustable tilt angle side that the enhanced retardance needle preferred embodiment of the new-type ultrasound of the present invention provides
Case cross-sectional view.
Appended drawing reference is as follows:
1, needle tubing；11, rectangular needle tubing；12, round needle tubing；13, syringe needle；14, scale mark；15, through-hole；16, shrinkage pool；
2, needle stand；
3, fixing seat；(31A, 31B), pilot hole；32, threaded hole；33, screw is adjusted；34, steering ball；35, straight hole；
4, conductor wire；
5, conductive contact.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by.
From Fig. 1 to Fig. 4 it is found that the new-type enhanced retardance needle of ultrasound described in the embodiment of the present invention, including needle tubing 1, needle stand 2
With fixing seat 3；The liquid feeding end of the needle tubing 1 is connect with the needle stand 2；The fixing seat 3 is equipped with pilot hole 31A and threaded hole
32, the pilot hole 31A penetrate through the opposite both ends of the fixing seat 3, and the needle tubing 1 passes through the pilot hole 31A, the fixation
Seat 3 can be along the axial movement of the needle tubing 1；The threaded hole 32 and pilot hole 31A crosses conducting, in the threaded hole 32
It is threaded with and adjusts screw 33, the position for adjusting screw 33 and being used to fix the fixing seat 3 and the needle tubing 1.
In application process, after 1 a part of needle tubing is pierced into patient, medical staff, which can turn, adjusts screw 33,
To release the fixation between fixing seat 3 and needle tubing 1, then fixing seat 3 is shifted at the contact pin of sufferer, as long as spiral shell will be adjusted at this time
Nail 33 is tightened, and the positional relationship being not only able between fixed needle tubing 1 and fixing seat 3 is also avoided that double swerve occurs in needle tubing 1
Situation, i.e. medical staff singlehanded can carry out operation to retardance needle and maintain to fix, so that both hands carry out different operations simultaneously.
Wherein from Fig. 3 and Fig. 4 it is found that the threaded hole 32 conducting that crosses vertical with the pilot hole 31A at this time, the tune
Section screw 33 can be adjusted to abut with the needle tubing 1, i.e., the position between needle tubing 1 and fixing seat 3 is realized by way of abutting
Set fixation.
And it is separated from each other in Fig. 3 and pilot hole 31A shown in Fig. 4 and needle tubing 1, threaded hole 32 and adjusts screw 33 mutually point
From, be merely for convenience of signal pilot hole 31A and threaded hole 32 set-up mode, in practical applications, pilot hole 31A and needle tubing
1 outer surface is bonded substantially, and threaded hole 32 and adjusting screw 33 are then in intermeshing state.
Preferably, in order to improve the positioning accuracy that ultrasound blocks needle, the shape of needle tubing 1 can be improved, to mention
High needle tubing 1 is to the reflecting effect of sound wave, and as depicted in figs. 1 and 2, a kind of preferred embodiment can be the setting needle tubing 1
Including rectangular needle tubing 11 and round needle tubing 12；The liquid feeding end of the rectangular needle tubing 11 is connect with the needle stand 2, the rectangular needle tubing
11 outlet end connect conducting with the liquid feeding end of the round needle tubing 12, and the outlet end of the circle needle tubing 12 is equipped with syringe needle 13.
At this time because the outer surface of rectangular needle tubing 11 is substantially four planes, the ultrasonic orienting reflex effect of plane is much better than
Arcwall face, greatly strengthens the localization by ultrasonic effect of retardance needle, to thoroughly solve existing ultrasound retardance needle position inaccurate
The problem of.
It is also pointed out that between rectangular needle tubing 11 and round needle tubing 12, at least there are two types of connection types；As shown in figure 5, at this time
Circumscribed connection type is used between rectangular needle tubing 11 and round needle tubing 12, i.e., the section of rectangular needle tubing 11 is square, round
The section of needle tubing 12 is circle, and the section of round needle tubing 12 is projected in the section of rectangular needle tubing 11 completely and in tangent shape
State；Or as shown in fig. 6, at this time between rectangular needle tubing 11 and round needle tubing 12 using inscribed mode, i.e., rectangular needle tubing 11
Section is square, and the section of round needle tubing 12 is circle, and the section of rectangular needle tubing 11 is projected on round needle tubing 12 completely
Simultaneously respectively angle is held just to be placed on the section round edge of round needle tubing 12 in section；Both connection types, which are advantageous in that, to be guaranteed
The whole homogeneity for blocking needle size avoids rectangular needle tubing 11 from having big difference with round 12 size of needle tubing and influences to be inserted into effect.
Preferably, in order to improve the location accuracy for blocking needle, its detection dimensions can be increased, as shown in Figure 1, a kind of excellent
The embodiment of choosing can be the round needle tubing 12 can be conductive；The needle stand 2 is equipped with conductor wire 4, the conductor wire 4
One end is placed in 2 inside of needle stand and is electrically connected with the round needle tubing 12, and the other end of the conductor wire 4 is placed in the needle
2 outside of seat is simultaneously electrically connected with conductive contact 5.
In application process, round 12 first dimension of needle tubing can be learnt by the ultrasonic signal that round needle tubing 12 reflects
Location information, but the position of round needle tubing 12 in the plane can only be learnt according to the location information of the first dimension, it can't learn
The insertion depth of round needle tubing 12；So accessing power supply by conductive contact 5 at this time, round needle tubing 12 can make to obtain electric generation
Electro photoluminescence can learn the location information of round 12 second dimension of needle tubing by the neuromuscular feedback detection of human body, pass through two kinds of positions
Be combineding with each other for confidence breath, can learn round needle tubing 12 in the intracorporal accurate location of sufferer.
It may be noted that conductor wire 4 and the connection type of round needle tubing 12 are varied, for example can be conductor wire 4
Thickness setting enough to thin so that conductor wire 4 can be disposed to extend from rectangular 11 inner wall of needle tubing to round 12 inner wall of needle tubing
Electrical connection；Or bury conductor wire 4 in the needle pars intramuralis of rectangular needle tubing 11, so that conductor wire 4 extends to rectangular needle tubing 11
With the junction of round needle tubing 12, to realize the electric connection of conductor wire 4 and round needle tubing 12.
But the above-mentioned connection type of conductor wire 4 and round needle tubing 12 is more demanding to technique, so in order to reduce life
Difficulty is produced, a kind of preferred embodiment can be the setting rectangular needle tubing 11 can be conductive, and the conductor wire 4 passes through described
Rectangular needle tubing 11 is electrically connected with the round needle tubing 12, and the outer surface of the rectangular needle tubing 11 is covered with insulating coating.
At this time since rectangular needle tubing 11 also can be conductive, so conductor wire 4 need to be only directly connected to rectangular needle tubing 11, Bian Keshi
The electric connection of existing conductor wire 4 and round needle tubing 12；And in order to avoid rectangular needle tubing 11 generates electro photoluminescence to human body and influences
The detection of round needle tubing 12 positions, so insulating coating is covered in the outer surface of rectangular needle tubing 11, to thoroughly prevent this feelings
The generation of condition.
Wherein, insulating coating can there are many selections, but consider that rectangular needle tubing 11 can be placed in patient, so should select
Dysgenic material will not be caused to human body, therefore it is poly- to benzene two that a kind of preferred embodiment, which can be the insulating coating,
Formic acid glycol ester；Insulating coating stability made of this material is high, will not damage to human body, is the personal safety of sufferer
Provide important leverage.
Preferably, to avoid rectangular needle tubing 11 from causing unnecessary damage to sufferer, it should be ensured that rectangular 11 surface of needle tubing
Slickness, so should avoid adjust 33 square shaped needle tubing 11 of screw surface cause to damage, as shown in Figure 1, Figure 3 and Figure 4 shown in,
A kind of preferred embodiment can be that the end face opposite with the rectangular needle tubing 11 of screw 33 that adjust is arranged is plane.
At this time since the outer surface of rectangular needle tubing 11 is four planes, the end face opposite with rectangular needle tubing 11 of screw 33 is adjusted
For plane, so adjusting screw 33 even if tightening, adjust screw 33 also can only be supported by a plane and the plane of rectangular needle tubing 11
It connects, is not only able to ensure that adjusting screw 33 can compress rectangular needle tubing 11 by the abutting of plane and plane, to realize fixing seat 3
Position fix, moreover it is possible to while the surface of square shaped needle tubing 11 being avoided to cause to damage, to maintain the smooth of rectangular 11 surface of needle tubing
Property provides valuable help.
Preferably, intuitively understand the insertion depth of retardance needle, settable corresponding depth at any time for the ease of medical staff
Display label, as shown in Figure 1, the outer wall that a kind of preferred embodiment can be the rectangular needle tubing 11 is equipped with scale mark
14, the scale mark 14 is disposed to extend along the length direction of the rectangular needle tubing 11.
Since after retardance needle is inserted into successfully, the scale mark 14 on rectangular needle tubing 11 will be appeared, consequently facilitating
Medical staff can understand insertion depth constantly, avoid being inserted into and too deep cause unnecessary injury to sufferer.
Preferably, in order to reduce insertion retardance for injury caused by sufferer, the structure of syringe needle 13 can also be carried out excellent
Change, as shown in Fig. 2, a kind of preferred embodiment can be the end of the syringe needle 13 in arc-shaped.
In the prior art, syringe needle 13 is all sharp spininess, and the syringe needle 13 of this shape is not only caused by muscle
Tear smooth degree more serious, nor that retardance needle insertion can be improved；And after setting arc-shaped for the end of syringe needle 13,
It can reduce and tear damage caused by muscle, and the fluency of retardance needle insertion can also be improved.
Preferably, it is the infusion efficiency for improving retardance needle, liquid structure can be added out on syringe needle 13, as shown in Fig. 2, a kind of
Preferred embodiment can be the syringe needle 13 equipped at least one through-hole 15, and the through-hole 15 penetrates through the needle of syringe needle 13
Wall.
Syringe needle 13 can be increased in this way goes out liquid direction, multi-direction while liquid out is realized with this, shown in Fig. 2
For, the quantity of through-hole 15 is three at this time, and three through-holes 15 are arranged in syringe needle in the form of being arranged in Atria end angle
On 13 needle wall, this arrangement is advantageous in that the coverage area of widened through-hole 15, to guarantee in the process being infused
In can be carried out range it is wider array of go out liquid.
Preferably, in order to improve the positioning accuracy of syringe needle 13, the reflective surface area of syringe needle 13, a kind of preferred reality can be increased
The mode of applying can be the hole wall that the through-hole 15 is arranged in polyhedral.
That is the not smooth continuous arc surface of the inner wall of through-hole 15, but be made of multiple planes, since plane is to ultrasound
Reflecting effect to be much better than arc surface, can greatly improve 13 pairs of ultrasonic reflection qualities of syringe needle by this method, thus really
It protects more accurate to the position detection of syringe needle 13.
Preferably, in order to further increase the position positioning accuracy of round needle tubing 12, round needle tubing 12 can also be increased
Reflective surface area, as shown in Fig. 2, the outer wall that a kind of preferred embodiment can be the round needle tubing 12 is equipped with multiple shrinkage pools
16, multiple shrinkage pools 16 are arranged in honeycomb.
The outer surface of round needle tubing 12 is no longer smooth arc surface at this time, and each shrinkage pool 16 can optimize super sonic reflection
Effect, so that more accurate to the positioning of circular arc needle tubing 12.
It is also pointed out that in application process, inclining for needle tubing 1 may be adjusted according to different sufferers, different insertion positions
Rake angle, so in order to meet the use demand of such occasion adjustable angle can will be set as between needle tubing 1 and fixing seat 3
Structure, as shown in Figure 7 to 9, the inside that a kind of preferred embodiment can be the pilot hole 31B is equipped with steering ball
34, the steering ball 34 is equipped with straight hole 35, and the straight hole 35 penetrates through the steering ball 34, and the needle tubing 1 also extends through the straight hole
35, the aperture bore of the straight hole 35 is less than the aperture bore of the pilot hole 31B, so that the steering ball 34 is able to drive institute
Needle tubing 1 is stated to rotate in the pilot hole 31B；The adjusting screw 33 can be adjusted to abut with the steering ball 34.
As can be seen from Figure 7, needle tubing 1 and fixing seat 3 are substantially in orthogonal state at this time, adjust screw 33 just by tightening
The relative position between needle tubing 1 and fixing seat 3 can be fixed；As shown in figure 8, needle tubing 1 can scheme after unscrewing adjusting screw 33
The side of showing is adjusted up the angle that tilts, and the adjustable range of tilt angle is mainly determined by the aperture caliber size of pilot hole 31B,
As long as after needle tubing 1 is adjusted to suitable tilt angle, the oblique fixation of needle tubing 1 can be realized by tightening adjusting screw 33.
And straight hole 35 shown in Fig. 9 is separated from each other with needle tubing 1, is merely for convenience of signal straight hole 35, in practical application
In, straight hole 35 is bonded substantially with the outer surface of needle tubing 1.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of new-type enhanced retardance needle of ultrasound, which is characterized in that
Including needle tubing, needle stand and fixing seat；
The liquid feeding end of the needle tubing is connect with the needle stand；
The fixing seat is equipped with pilot hole and threaded hole, and the pilot hole penetrates through the opposite both ends of the fixing seat, the needle tubing
Across the pilot hole, the fixing seat can be along the axial movement of the needle tubing；The threaded hole crosses with the pilot hole leads
Logical, the threaded hole internal screw thread is connected with adjusting screw, and the screw that adjusts is used to fix the fixing seat and the needle tubing
Position.
2. the enhanced retardance needle of new-type ultrasound according to claim 1, which is characterized in that the threaded hole and the guiding
Hole vertically crosses conducting, and the adjusting screw can be adjusted to abut with the needle tubing.
3. the enhanced retardance needle of new-type ultrasound according to claim 1, which is characterized in that
The inside of the pilot hole is equipped with steering ball, and the steering ball is equipped with straight hole, and the straight hole penetrates through the steering ball, described
Needle tubing also extends through the straight hole, and the aperture bore of the straight hole is less than the aperture bore of the pilot hole, so that the steering ball
The needle tubing is able to drive to rotate in the pilot hole；
The adjusting screw can be adjusted to abut with the steering ball.
4. the enhanced retardance needle of new-type ultrasound according to any one of claims 1 to 3, which is characterized in that the needle tubing packet
Include rectangular needle tubing and round needle tubing；The liquid feeding end of the rectangular needle tubing is connect with the needle stand, the outlet end of the rectangular needle tubing
Conducting is connect with the liquid feeding end of the round needle tubing, the outlet end of the circle needle tubing is equipped with syringe needle.
5. the enhanced retardance needle of ultrasound according to claim 4, which is characterized in that
The circle needle tubing can be conductive；
The needle stand is equipped with conductor wire, and one end of the conductor wire is placed in inside the needle stand and electrical with the round needle tubing
Connection, the other end of the conductor wire are placed in outside the needle stand and are electrically connected with conductive contact.
6. the enhanced retardance needle of ultrasound according to claim 5, which is characterized in that the rectangular needle tubing can be conductive, institute
It states conductor wire to be electrically connected by the rectangular needle tubing and the round needle tubing, the outer surface of the rectangular needle tubing is covered with insulation
Coating.
7. the enhanced retardance needle of ultrasound according to claim 4, which is characterized in that the end of the syringe needle is in arc-shaped.
8. the enhanced retardance needle of ultrasound according to claim 4, which is characterized in that the syringe needle is logical equipped at least one
Hole, the needle wall of the through-hole perforation syringe needle.
9. the enhanced retardance needle of ultrasound according to claim 8, which is characterized in that the hole wall of the through-hole is in polyhedron
Shape.
10. the enhanced retardance needle of ultrasound according to claim 4, which is characterized in that the outer wall of the circle needle tubing is equipped with
Multiple shrinkage pools, multiple shrinkage pools are arranged in honeycomb.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154237 | 2019-02-28 | ||
| CN2019101542378 | 2019-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109998643A true CN109998643A (en) | 2019-07-12 |
Family
ID=67168342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910236509.9A Pending CN109998643A (en) | 2019-02-28 | 2019-03-26 | The new-type enhanced retardance needle of ultrasound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109998643A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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