CN109567906A - Puncture needle and ultrasonic puncture device - Google Patents
Puncture needle and ultrasonic puncture device Download PDFInfo
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- CN109567906A CN109567906A CN201811530293.9A CN201811530293A CN109567906A CN 109567906 A CN109567906 A CN 109567906A CN 201811530293 A CN201811530293 A CN 201811530293A CN 109567906 A CN109567906 A CN 109567906A
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- puncture
- layer
- puncture needle
- ultrasonic
- needle
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Classifications
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- 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
- A61B17/3468—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
- 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
Abstract
The present invention relates to medical instrument tools, more particularly it relates to a kind of puncture needle and ultrasonic puncture device.The needle body of the puncture needle has layered structure, and internal layer is by being arranged at least two nonisulated portion separated from one another, to accordingly form at least two signals separated from one another/data transmission channel, and outer layer yet forms insulating layer.In this way, transmitting different data/signals respectively using these transmission channels and using the protective effect of outer layer, effectively reduces and even be eliminated interfering with each other when a variety of data/signals transmit in puncture needle.Further, it further includes load cell and angular transducer which, which not only includes above-mentioned puncture needle,.In this way, load cell can timely and accurately reflect the force situation of change of operator when the puncture portion of puncture needle encounters obstacle, angular transducer then can easily and accurately reflect the puncture angle of puncture needle.
Description
Technical field
The present invention relates to medical instrument tools.More particularly it relates to a kind of puncture needle and including the puncture needle
Ultrasonic puncture device.
Background technique
In the field of medicine, sacral nerve regulation art is a kind of advanced treatment means.Biography relevant to sacral nerve regulation art
System method for implantation needs to rely on X-ray to carry out.During executing the method for implantation, there are operator and objective body are long
Phase is exposed to the security risk of X-ray and exists since equipment limitation can not effectively improve the puzzlement of the speed of implementation procedure.
Therefore, the scheme that sacral nerve regulation art is realized using ultrasonic puncture technology is developed.
However, needing to obtain mesh by the puncture portion of puncture needle in puncture needle puncture process in ultrasonic puncture technology
The parameters of standard type and puncture needle reach objective body stimulation sites after need to puncture needle apply predetermined electrical signals with
Preliminary electro photoluminescence is carried out to the stimulation sites.But traditional needle body is simply formed with single data/signal transmission and leads to
The electric signal of road, data relevant to above-mentioned parameters and, for example, electric current etc., which passes through a channel, to be transmitted, because
And be easy to happen and interfere with each other, reduced so as to cause measurement accuracy and undesirable decaying occurs etc..
Summary of the invention
Defect based on the above-mentioned prior art and be made that the present invention.A goal of the invention of the invention is to provide one kind
Novel puncture needle can reduce or even eliminate interfering with each other when a variety of data/signals transmit in puncture needle.The present invention
Another goal of the invention be to provide a kind of ultrasonic puncture device using above-mentioned puncture needle.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that.
The present invention provides a kind of following puncture needle, the inside of the puncture needle is formed with described in axially perforation and wears
The through-hole of pricker, and the puncture needle includes the needle body of tubular, and the needle body is included in the puncture needle
The first layer configured with being radially stacked on one another, the second layer and third layer, the first layer along the puncture needle circumferential direction
Continuously extend and the first layer includes can transmit the nonisulated portion of data/signal at least two and be located at it is described at least
The insulation division between the nonisulated portion of every two in two nonisulated portions, the second layer circumferentially continuously extends and institute
It states the second layer and surrounds the first layer in a manner of being located at the radial outside of the first layer, the second layer is insulating layer, and
And the third layer circumferentially continuously extends and the third layer is in a manner of being located at the radially inner side of the first layer
It is surrounded by the first layer, the third layer is insulating layer.
Preferably, the end of the axial side of the first layer is formed with the puncture portion for being inserted into objective body, and described
Two layers of center portion in the axial direction of the puncture needle for only covering the first layer, so that the axial side of the first layer
End including at least the puncture portion part expose.
It is highly preferred that at least two nonisulated portion includes for circumferentially extending and being spaced apart by the insulation division
One metal portion and the second metal portion.
It is highly preferred that the insulation division includes the first collets and the second collets, and the week of first metal portion
Ora terminalis to side is opposite across first collets with the ora terminalis of the circumferential other side of second metal portion, and described first
The ora terminalis of the ora terminalis of the circumferential other side of metal portion and the circumferential side of second metal portion is across the second collets phase
It is right, so that first metal portion and second metal portion are separated by first collets and second collets.
Preferably, the third layer axially continuously extends in the whole length of the puncture needle.
Preferably, the puncture needle further includes the mounting portion for the tubular of load cell installation.
It is highly preferred that the mounting portion is connected with the end of the axial other side of the needle body, and the peace
Dress portion includes being recessed in extending along the direction orthogonal with the axial direction of being formed of axial end side and towards axial side
Installation groove.
The present invention also provides a kind of following ultrasonic puncture devices, and the ultrasonic puncture device includes above technical scheme
Any one of puncture needle described in technical solution.
Preferably, the ultrasonic puncture device further includes load cell, side of the load cell can dismantle
Formula is installed on the mounting portion of the puncture needle.
Preferably, the ultrasonic puncture device further include: guiding device, the guiding device are formed with for installing the puncture
The guiding channel of needle enables the guiding device that the puncture needle is guided to carry out lancing motion along the guiding channel；It wears
Frame is pierced, the puncture supporter enables the guiding device relative to the puncture supporter in predetermined model for installing the guiding device
Enclose pivot；And ultrasonic probe fixed frame, the ultrasonic probe fixed frame surpass the presumptive area of objective body for fixation
The ultrasonic probe of acoustic imaging, the ultrasonic probe fixed frame are installed on the puncture in a manner of it can dismantle from the puncture supporter
Frame, the lancing motion of the puncture needle can in the case that the puncture supporter and the ultrasonic probe fixed frame are fixed together
It is carried out in the imaging surface of the fixed ultrasonic probe of the ultrasonic probe fixed frame.
It is highly preferred that the puncture supporter includes dial, the dial has arcuate shape and the guiding device energy
It is enough to be rotated around the corresponding center of circle of the arcuate shape relative to the puncture supporter, so that the dial can indicate described draw
Lead the angle of the angle between device and scheduled datum level；And/or the ultrasonic puncture device further includes angular transducer, it is described
Angular transducer is set to the guiding device and the angle for measuring the angle between the guiding device and scheduled datum level
Degree.
It is highly preferred that the puncture supporter includes each other in vertically disposed two support rods, the both ends point of the dial
Not being fixed on described two support rods makes the corresponding center of circle of the arcuate shape of the dial be located at described two support rods
It is connected at position, and the one end on the length direction of the guiding device is can pivotably be installed on the connected portion
Position, enables the guiding device to be pivoted in the meter full scale of the dial, and the ultrasonic puncture device also wraps
The fixation device for being set to guiding device and/or the dial is included, enables to the guiding device to fix by the fixation device
At the different location of the dial.
Preferably, the ultrasonic puncture device further includes parameter for measuring objective body and/or passes to the objective body
The needle body of multiple parameters/signal transducer of delivery signal, the multiple parameter/signal transducer and the puncture needle
At least two non-insulated portions do not couple.
It is super the present invention provides a kind of novel puncture needle and including above-mentioned puncture needle by using above-mentioned technical proposal
Sound sting device, the needle body of the puncture needle have layered structure, and internal layer passes through setting separated from one another at least two
A nonisulated portion, to accordingly form at least two signals separated from one another/data transmission channel, and outer layer also shape
At insulating layer.In this way, transmitting different data/signals respectively using these transmission channels and being made using the protection of outer layer
With effectively reducing and even be eliminated interfering with each other when a variety of data/signals transmit in puncture needle.
Detailed description of the invention
Fig. 1 a is to show the schematic diagram of the structure of puncture needle according to an embodiment of the present invention, wherein in order to show
Understand and third layer is omitted；Fig. 1 b be show the sectional view of puncture needle in Fig. 1 a intercepted along line S-S, wherein in order to
Hatching that is clear and not identifying the first curved metal portion and the second curved metal portion is shown.
Fig. 2 is to show the schematic diagram of the structure of the ultrasonic puncture device using the puncture needle in Fig. 1 a.
Fig. 3 is to show the schematic diagram of the structure of load cell of the ultrasonic puncture device in Fig. 2.
Description of symbols
1 puncture needle, 11 needle body, 111 first layer 111a the first curved metal the second curved metal of portion 111b portion
121 installation groove of 111c the first collets 111d the second collets 112 second layer, 113 third layer, 12 mounting portion, 13 through-hole
2 load cell, 21 sensor main body 22 installs 41 first support bar 42 of raised 3 guiding device, 4 puncture supporter the
Two support rods, 43 dial, 44 puncture supporter joint portion, 45 guiding device fixes 5 ultrasonic probe fixed frame of device, 51 fixed frame master
52 fixed frame joint portion U ultrasonic probe of body
A axial direction R radial direction C is circumferential
Specific embodiment
The specific of puncture needle and ultrasonic puncture device according to the present invention is explained in detail below with reference to Figure of description
Embodiment.In the following detailed description, when illustrating the structure of puncture needle, unless otherwise specified, " axial direction ", " diameter
To " and " circumferential direction " refer respectively to the axial direction, radially and circumferentially of puncture needle (needle body).In addition, " axial side " refers to figure
Right side in 1a, " the axial other side " refer to the left side in Fig. 1；" circumferential side " refers to the counter clockwise direction side in Fig. 1 b, " week
To the other side " refer to clockwise direction side in Fig. 1 b.
It will illustrate the specific structure of each section of puncture needle according to an embodiment of the present invention first below.
(puncture needle 1)
As illustrated in figs. 1A and ib, the inside of puncture needle 1 according to an embodiment of the present invention is formed with axially A
The through-hole 13 of puncture needle 1 is penetrated through on the axial length of entire puncture needle 1, and puncture needle 1 includes being connected with each other on axial A
Needle body 11 and mounting portion 12.
Specifically, in the present embodiment, needle body 11 is whole has cylindrical shape, and the needle body 11 is in diameter
First layer 111, the second layer 112 and the third layer 113 that there is layered structure on R and including being stacked on one another configure.
Further, first layer 111 continuously extends along the circumferential C of puncture needle 1, and first layer 111 is on radial R
Thickness it is equal on complete cycle.First layer 111 includes being capable of forming the first curved metal portion of transmitting different data/signal 111a
With the second curved metal portion 111b and positioned at the circumferential ora terminalis and the second curved metal portion 111b of the first curved metal portion 111a
Circumferential ora terminalis between the first collets 111c and the second collets 111d.
First curved metal portion 111a and the second curved metal portion 111b is each along circumferential C definite length extended, so that
The equal length that one curved metal portion 111a and the second curved metal portion 111b extend on circumferential C.First curved metal portion
111a, the second curved metal portion 111b, the thickness of the first collets 111c and the second collets 111d on radial R are equal.
The circumferential other side of the ora terminalis of the circumferential side of first curved metal portion 111a and the second curved metal portion 111b
Ora terminalis is opposite across the first collets 111c, the ora terminalis and the second curved metal of the circumferential other side of the first curved metal portion 111a
The ora terminalis of the circumferential side of portion 111b is opposite across the second collets 111d.In this way, making the first curved metal portion 111a and
Two curved metal portion 111b are separated by the first collets 111c and the second collets 111d.Pass through the first curved metal as a result,
Portion 111a is formed by data/signal of channel transmitting and the number that channel transmitting is formed by by the second curved metal portion 111b
It is interfered with each other according to being substantially not present between/signal.
Further, the second layer 112 surrounds first layer 111, the second layer in a manner of being located at the radial outside of first layer 111
112 circumferentially C continuously extend, and thickness of the second layer 112 on radial R it is equal and be less than first layer 111 in radial R
On thickness.In the present embodiment, the second layer 112 generally plates the insulating layer for spreading on first layer 111.In this way, the second layer 112
Data/the signal transmitted in first layer 111 is further protected, it is therefore prevented that these data/signals are by outside
The interference of environment.In the present embodiment, the end of the axial side of first layer 111 is formed with the puncture for being inserted into objective body
Portion.At the puncture portion, puncture tip is formed by beveling needle body 11.The second layer 112 does not cover the puncture portion, and
The center portion on axial A of first layer 111 is only covered, so that axial one of the first layer 111 including the puncture portion
Expose the end of side.In this way, each seed ginseng of objective body can be obtained from the puncture portion after puncture needle 1 punctures and enters objective body
It counts data and electric signal etc. can also be transmitted to puncture portion and electro photoluminescence is carried out with the predetermined position to objective body.
In addition, the end of the axial other side of first layer 111 is not also covered by the second layer 112, pass through the axis of first layer 111
It can realize and couple with each sensor in ultrasonic puncture device to the end of the other side.
Third layer 113 is surrounded in a manner of being located at the radially inner side of first layer 111 by first layer 111, third layer 113 along
Circumferential C continuously extends, and third layer 113 is equal in the thickness on radial R and is less than thickness of the first layer 111 on radial R
Degree.In the present embodiment, third layer 113 generally plates the insulating layer for spreading on first layer 111.Further, third layer 113 exists
It is arranged on axial A throughout the whole length of puncture needle 1.In this way, third layer 113 is to the data/letter transmitted in first layer 111
It number is further protected, it is therefore prevented that these interference of data/signal by external environment.
In the present embodiment, mounting portion 12 is installed for load cell.Mounting portion 12 is whole with cylindrical shape, and
Mounting portion 12 is connected to the axis of needle body 11 in such a way that the central axis of center axis thereof and needle body 11 is consistent
To the end of the other side.
Mounting portion 12 includes forming the peace linearly extended along the direction orthogonal with axial A in the end of the axial other side
Groove 121 is filled, is fitted to each other with the counter structure with load cell.
The specific structure of puncture needle 1 according to an embodiment of the present invention has been described in detail above, it below will be further
Illustrate include the ultrasonic puncture device according to the present invention of the puncture needle 1 specific structure.
(ultrasonic puncture device)
As shown in Fig. 2, ultrasonic puncture device according to the present invention includes puncture needle 1, dynamometry shown in Fig. 1 a and Fig. 1 b
Sensor 2, guiding device 3, puncture supporter 4 and ultrasonic probe fixed frame 5
Specifically, in the present embodiment, as shown in Figures 2 and 3, load cell 2 includes sensor main body 21 and sets
It is placed in the installation protrusion 22 of sensor main body 21, which linearly extends and the size and shape of the installation protrusion 22
Shape is corresponding with the installation groove 121 of mounting portion 12 of puncture needle 1 in Fig. 1 a.In this way, by installation protrusion 22 and installing recessed
Slot 121 matches, and load cell 2 can be installed on to the mounting portion 12 of puncture needle 1；And passes through load cell 2 and wear
Load cell 2 can be fixed on the mounting portion 12 of puncture needle 1 by the strong magnetic cooperation between pricker 1 in a manner of it can dismantle.
The dynamometry principle and internal structure of the load cell 2 of the dynamometry principle and internal structure and the prior art of the load cell 2
It is identical, therefore herein just without being specifically illustrated, which can for example be passed using existing micro pressure
Sensor.
When puncture needle 1 encounters the obstacle such as bone on the puncture path of the inside of objective body, pass through dynamometry
Sensor 2 can timely and accurately reflect the variation of the force of operator when the puncture portion of puncture needle 1 encounters the obstacle
Situation, so as to facilitate the processing of operator promptly and accurately to situation progress.
In the present embodiment, guiding device 3 is formed with the guiding channel linearly extended for installing puncture needle 1
(not shown) enables 3 biopsy needle guide 1 of guiding device to carry out lancing motion along guiding channel.
In the present embodiment, puncture supporter 4 includes two support rods (first support bar 41 and second arranged substantially perpendicular to each other
Support rod 42) and it is set to dial 43 between two support rods 41,42.As shown in Fig. 2, first support bar 41 is along figure
In horizontal direction linearly extend, second support bar 42 is from the one end of first support bar 41 along the vertical direction in figure
Linearly extend.Dial 43 has arcuate shape, and the both ends of dial 43 are individually fixed in two support rods 41,42
The free end not being connected to each other so that the corresponding center of circle of the arcuate shape of dial 43 is located at the connected position of two support rods
Place.
Guiding device 3 is so that guiding device 3 can be around the corresponding center of circle of arcuate shape of dial 43 relative to puncture supporter 4
Puncture supporter 4 is pivotably installed in preset range.More specifically, the one end on the length direction of guiding device 3 is installed on
The connected position of two support rods 41,42 enables meter full scale of the guiding device 3 around the end in dial 43 to carry out pivot
Turn.In this way, dial 43 can indicate the angle of the angle between guiding device 3 and scheduled datum level (such as horizontal plane).
Further, puncture bridge joint is provided at the position at the close above-mentioned connected position of the lateral surface of second support bar 42
Conjunction portion 44, the puncture supporter joint portion 44 with the fixed frame joint portion 52 of following ultrasonic probe fixed frames 5 for engaging, so that wearing
Thorn frame 4 can be bonded together with ultrasonic probe fixed frame 5.In addition, both guiding device 3 and dial 43 are additionally provided with and can make
Obtain the fixed device 45 of guiding device as the first fixed device that guiding device 3 is fixed at the different location of dial 43.Pass through
Guiding device fixes device 45, and guiding device 3 can be in any position of dial 43.
In the present embodiment, ultrasonic probe fixed frame 5 carries out ultrasonic imaging for the fixed presumptive area to objective body
Ultrasonic probe U.By the second fixed device, ultrasonic probe fixed frame 5 is installed in a manner of it can dismantle from puncture supporter 4 and is worn
Pierce frame 4.The second fixed device includes the puncture supporter joint portion 44 for the second support bar 42 for being set to puncture supporter 4 and is set to super
The fixed frame joint portion 52 of the fixation frame body 51 of sonic probe fixed frame 5.
In this way, in the case where making puncture supporter 4 and ultrasonic probe fixed frame 5 be fixed together by the second fixed device,
The lancing motion of puncture needle 1 can carry out in the imaging surface of the fixed ultrasonic probe U of ultrasonic probe fixed frame 5；When needs make
In the case of puncture supporter 4 and ultrasonic probe fixed frame 5 separate, the connection for releasing the first fixed device can simply implement puncture supporter
4 and ultrasonic probe fixed frame 5 separation.
In the present invention, ultrasonic puncture device can also include a variety of other sensor (not shown).
On the one hand, the ultrasonic puncture device may include be set to guiding device 3 and for measure guiding device 3 with it is scheduled
The angular transducer of the angle of angle between datum level.It is opposite that guiding device 3 can be precisely located by the angular transducer
In the angle of datum level.It should be noted that the angular transducer can be used cooperatively with the dial 43 of above-mentioned puncture supporter 4,
Or the scheme of dial 43 can be replaced using the angular transducer.
On the other hand, ultrasonic puncture device further includes parameter for measuring objective body and to the more of objective body transmitting signal
A parameter/signal transducer (such as impedance transducer and light current sensor), multiple parameters/signal transducer and puncture needle 1
The channel of needle body 11 formed by two nonisulated portions couples respectively.
The specific structure of ultrasonic puncture device according to the present invention is illustrated in detail above, it below will be to use according to this
Illustrate the use of the ultrasonic puncture device for the ultrasonic puncture device progress sacral nerve regulation procedures electrode method for implantation of invention
Method.
(application method of ultrasonic puncture device)
Specifically, the use process of the ultrasonic puncture device may include steps of.
Firstly, covering on the outside of common ultrasonic probe U using ultrasonic probe fixed frame 5, and ultrasonic probe is fixed
The reference line of frame 5 is aligned with the reference line of ultrasonic probe U, and ultrasonic probe U is installed on ultrasonic probe fixed frame 5 later and is realized
The fixation of ultrasonic probe fixed frame 5 and ultrasonic probe U.After realizing the fixation of ultrasonic probe fixed frame 5 and ultrasonic probe U,
Check whether the reference line of ultrasonic probe fixed frame 5 is Chong Die with the imaging surface of ultrasonic probe U, if not being overlapped can visit by ultrasound
The counter structure of head frame 5 is adjusted.
Secondly, puncture supporter 4 and ultrasonic probe fixed frame 5 is made to pass through the second fixation device (puncture supporter joint portion 44 and fixation
Frame joint portion 52) it is attached fixation, and puncture needle 1 is inserted into and is passed through guiding channel and the guarantor of the guiding device 3 of puncture supporter 4
Hold the state that the puncture portion of puncture needle 1 does not expose.
Again, real-time ultrasonography is carried out to find scheduled puncture target position to objective body using ultrasonic probe U.Root
According to the epidermis of measurement objective body to the depth for puncturing target position and the size of puncture target position, guiding device 3 and base are obtained
Optimum angle angle between quasi- face.Based on the optimum angle angle, dial 43 and/or angular transducer setting guidance are utilized
The angle of device 3, pivots guiding device 3 and reaches and pass through the first fixed device (the fixed device 45 of guiding device) fixation after designated position and draw
Device 3 is led, dedicated load cell 2 is installed on to the mounting portion 12 of puncture needle 1.
Finally, keeping entire ultrasonic puncture device motionless, operator pushes load cell 2, is slowly advanced puncture needle
1, it is slowly advanced puncture needle 1 under ultrasonic real time imagery, impedance observed after puncture needle 1, which reaches, punctures target position etc. passes
Sensor data readings further determine that puncture situation.After the completion of puncture, indicated by 13 insertion depth of through-hole of puncture needle 1
Device may then pass through being fixedly connected so that puncture supporter 4 and ultrasonic probe fixed frame 5 are divided for the fixed device of releasing second
From to facilitate the subsequent electrode implantation of realization.
Elaborate the specific technical solution of the present invention in detail above, but it should be noted that:
Although I. illustrating that first layer 11 includes two curved metal portions 111,112 in above specific embodiment,
But the invention is not restricted to this, which may include the curved metal portion greater than two.
Although II. not clearly stated in above specific embodiment, it will be appreciated that the second layer 112 and
One layer 111 of collets can use same material and be formed as one.
Although III. not clearly stating the first fixed device and the second fixed device in above specific embodiment
Specific structure, it will be appreciated that the first fixed device and the second fixed device can be using various structures appropriate come just
Just realize that it fixes and release fixed function.For example, the first fixed device and the second fixed device can be type closing component structure,
Strong magnetic structure is connected through a screw thread structure to facilitate realization fixed and release fixed function.
Claims (13)
1. a kind of puncture needle, which is characterized in that the inside of the puncture needle, which is formed with, axially penetrates through the logical of the puncture needle
Hole, and the puncture needle includes the needle body of tubular, the needle body include the puncture needle radially
First layer, the second layer and the third layer configured with being stacked on one another,
The first layer along the puncture needle extend circumferentially continuously and the first layer include can transmit data/letter
Number at least two nonisulated portions and the nonisulated portion of every two in described at least two nonisulated portions between insulation division,
The second layer circumferentially continuously extends and the second layer is positioned at the side of the radial outside of the first layer
Formula surrounds the first layer, and the second layer is insulating layer, and
The third layer circumferentially continuously extends and the third layer is positioned at the side of the radially inner side of the first layer
Formula is surrounded by the first layer, and the third layer is insulating layer.
2. puncture needle according to claim 1, which is characterized in that the end of the axial side of the first layer forms useful
In the puncture portion of insertion objective body, the second layer only covers the central portion in the axial direction of the puncture needle of the first layer
Point, so that the part including at least the puncture portion of the end of the axial side of the first layer is exposed.
3. puncture needle according to claim 2, which is characterized in that at least two nonisulated portion includes circumferentially prolonging
The first metal portion and the second metal portion stretched and be spaced apart by the insulation division.
4. puncture needle according to claim 3, which is characterized in that the insulation division includes the first collets and the second insulation
Block, and
The ora terminalis of the ora terminalis of the circumferential side of first metal portion and the circumferential other side of second metal portion is across described
First collets are opposite, the end of the circumferential side of the ora terminalis of the circumferential other side of first metal portion and second metal portion
Edge is opposite across second collets so that first metal portion and second metal portion by first collets and
Second collets separate.
5. puncture needle according to claim 1, which is characterized in that the third layer is axially in the whole of the puncture needle
Continuously extend in a length.
6. puncture needle according to any one of claim 1 to 5, which is characterized in that the puncture needle further includes for dynamometry
The mounting portion of the tubular of sensor installation.
7. puncture needle according to claim 6, which is characterized in that the mounting portion is axial another with the needle body
The end of side is connected, and the mounting portion includes in the formation of axial end side along the side orthogonal with the axial direction
To the installation groove for extending and being recessed towards axial side.
8. a kind of ultrasonic puncture device, which is characterized in that the ultrasonic puncture device includes any one of claims 1 to 7 institute
The puncture needle stated.
9. ultrasonic puncture device according to claim 8, which is characterized in that the ultrasonic puncture device further includes that dynamometry passes
Sensor, the load cell are installed on the mounting portion of the puncture needle in a manner of it can dismantle.
10. ultrasonic puncture device according to claim 8 or claim 9, which is characterized in that the ultrasonic puncture device further include:
Guiding device, the guiding device are formed with the guiding channel for installing the puncture needle, and the guiding device is drawn
It leads the puncture needle and carries out lancing motion along the guiding channel；
Puncture supporter, the puncture supporter enable the guiding device to exist relative to the puncture supporter for installing the guiding device
Preset range pivots；And
Ultrasonic probe fixed frame, the ultrasonic probe fixed frame carry out ultrasonic imaging for the fixed presumptive area to objective body
Ultrasonic probe, the ultrasonic probe fixed frame are installed on the puncture supporter in a manner of it can dismantle from the puncture supporter, work as institute
It states puncture supporter and the lancing motion of the puncture needle can be described in the case that the ultrasonic probe fixed frame is fixed together
It is carried out in the imaging surface of the fixed ultrasonic probe of ultrasonic probe fixed frame.
11. ultrasonic puncture device according to claim 10, which is characterized in that
The puncture supporter includes dial, and the dial has arcuate shape and the guiding device can be around the arc shape
The corresponding center of circle of shape is rotated relative to the puncture supporter, so that the dial can indicate the guiding device and scheduled base
The angle of angle between quasi- face；And/or
The ultrasonic puncture device further includes angular transducer, and the angular transducer is set to the guiding device and for surveying
Measure the angle of the angle between the guiding device and scheduled datum level.
12. ultrasonic puncture device according to claim 11, which is characterized in that the puncture supporter includes each other in vertically setting
Two support rods set, the both ends of the dial are individually fixed in the arc shape that described two support rods make the dial
The corresponding center of circle of shape is located at the connected position of described two support rods, and
One end on the length direction of the guiding device is can pivotably be installed on the connected position, so that described
Guiding device can be pivoted in the meter full scale of the dial, and the ultrasonic puncture device further includes being set to guidance
The fixation device of device and/or the dial enables to the guiding device to be fixed on the dial by the fixation device
Different location at.
13. ultrasonic puncture device according to claim 8 or claim 9, which is characterized in that the ultrasonic puncture device further includes using
Parameter in measurement objective body and/or multiple parameters/signal transducer to objective body transmitting signal, the multiple ginseng
Number/signal transducer does not couple at least two non-insulated portions of the needle body of the puncture needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530293.9A CN109567906B (en) | 2018-12-14 | 2018-12-14 | Puncture needle and ultrasonic puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530293.9A CN109567906B (en) | 2018-12-14 | 2018-12-14 | Puncture needle and ultrasonic puncture device |
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| Publication Number | Publication Date |
|---|---|
| CN109567906A true CN109567906A (en) | 2019-04-05 |
| CN109567906B CN109567906B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811530293.9A Active CN109567906B (en) | 2018-12-14 | 2018-12-14 | Puncture needle and ultrasonic puncture device |
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| CN (1) | CN109567906B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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