CN209032454U - A kind of aspiration biopsy needle - Google Patents
A kind of aspiration biopsy needle Download PDFInfo
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- CN209032454U CN209032454U CN201821155157.1U CN201821155157U CN209032454U CN 209032454 U CN209032454 U CN 209032454U CN 201821155157 U CN201821155157 U CN 201821155157U CN 209032454 U CN209032454 U CN 209032454U
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- flexible pipe
- handle
- syringe needle
- interior
- outer flexible
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Abstract
The utility model embodiment discloses a kind of aspiration biopsy needle, comprising: the syringe needle of at least one hollow tubular, the syringe needle include tip and the continuity section of connection；Wherein, the tip is equipped with the pin hole for being connected to hollow tube cavity；Outer flexible pipe；And interior flexible pipe, the interior flexible pipe are arranged in the outer flexible pipe, and can the relatively described outer flexible pipe be axially moveable；The interior flexible pipe is connect with the syringe needle, to drive the syringe needle to stretch out outside the outer flexible pipe or take in the outer flexible pipe.Technical solution provided by the utility model, interior flexible pipe can protrude into sample location with outer flexible pipe, and it can stretch out out of outer flexible pipe and be sampled by syringe needle, syringe needle can puncture in the tissue in air inlet pipe or outside tracheal wall, and wound is smaller, syringe is sustainable is sampled for cooperation, facilitates operation.
Description
Technical field
The utility model belongs to medical examination technical field, specifically, being related to a kind of aspiration biopsy needle.
Background technique
As tumor incidence is gradually increasing in recent years, and age of onset is gradually reduced, early detection, diagnosis to tumour
And successive treatment has increasingly higher demands, and biopsy is the main path for obtaining pathological tissue sample and being diagnosed.
Provided biopsy tool is divided into long straight needle-shaped biopsy tool and tubing biopsy tool flexible currently on the market.
Long straight needle-shaped biopsy tool needs to reach when in use lesions position by percutaneous puncture, and patient will bear biggish body and mind pain
Hardship, and easily cause the complication such as pneumothorax.And implement centesis before need to plan puncture path in advance avoid vitals and
Big blood vessel etc., the consuming time is longer and has higher requirements to the skills and experience of operation doctor.
All kinds of tubing biopsy tools flexible currently on the market, the sampling structure of front end be mostly banister brush, gulleting,
Clamp class, cooperation bronchoscope using when be difficult to walk and position in lung repeatedly curved path.Tubing biopsy work flexible
When tool is to the sampling of such as bronchial lumen organization, it is difficult to be pierced by tracheal wall to cavity outside tissue be sampled, and be easy to cause
The problems such as larger wound, sampling amount are few, sample is easily lost.In addition, current tubing biopsy tool is for different big in the market
The biopsy tool for needing to select appropriate size when small lesion increases the difficulty of biopsy sampling.
Utility model content
In view of this, the utility model embodiment provides a kind of aspiration biopsy needle, it can be by interior flexible pipe by outer flexible pipe
Sample position is protruded into, interior flexible pipe can be stretched out out of outer flexible pipe and is sampled by syringe needle, and syringe needle can puncture air inlet pipe
In tissue outside interior or tracheal wall, and wound is smaller, syringe is sustainable is sampled for cooperation, facilitates operation.
The technical issues of to solve in the prior art, the utility model embodiment provides a kind of aspiration biopsy needle, comprising:
The syringe needle of at least one hollow tubular, the syringe needle include tip and the continuity section of connection；Wherein, the tip is set
There is the pin hole for being connected to hollow tube cavity；
Outer flexible pipe；And
Interior flexible pipe, the interior flexible pipe are arranged in the outer flexible pipe, and can the relatively described outer flexible pipe edge axial direction
It is mobile；
The interior flexible pipe is connect with the syringe needle, to drive the syringe needle to stretch out outside the outer flexible pipe or take in described
In outer flexible pipe.
Optionally, the shape at the tip is coniform, wedge shape or pyramid-shaped；
It is described continue section include in straight section, arc section, semiellipse section, semi-circular segments and curved section one of or it is any number of
Combination.
Optionally, the outer diameter of the syringe needle is 0.3-1.2mm；
The syringe needle is by Hollow Nickel titanium alloy tube or stainless steel tube is thermally treated is made.
Optionally, when the syringe needle is greater than one, along different directions after all syringe needles stretchings outer flexible pipe is outer
Expansion.
Optionally, it the stretching of the outer flexible pipe or takes in one end of the syringe needle and is provided with for guiding the syringe needle to move
The target seeker in dynamic direction.
Optionally, the shape of the target seeker includes coniform, wedge shape, pyramid-shaped and one of spherical；
Opening is provided on the target seeker, the quantity of the opening is one or identical as the syringe needle quantity.
Optionally, the target seeker uses one of stainless steel, platinumiridio, gold, titanium or titanium alloy or multiple material
It is made.
Optionally, the interior flexible pipe and/or the outer flexible pipe are by polytetrafluoroethylene (PTFE), polypropylene, polyethylene, gather
Extruded pipe made of one of amide or multiple material；Or
The interior flexible pipe and/or the outer flexible pipe are multilayer pipe, have net metal braiding layer or helical form steel wire
Enhancement layer, and the co-extruding tube made of one of polytetrafluoroethylene (PTFE), polypropylene, polyethylene, polyamide or multiple material.
Optionally, further include axial displacement component for driving the interior flexible pipe and outer flexible pipe relative movement
And the plug-in part with female Luer；
The plug-in part and the axial displacement component connection open at one end；
One end far from the syringe needle of the interior flexible pipe puts in the axis from the other end of the axial displacement component
It is fixedly connected into displacement component with the plug-in part, and is connected to by the plug-in part with the female Luer.
Optionally, reinforcer is equipped in the interior flexible pipe；
One end of the reinforcer is connect with the syringe needle, and the other end and the female Luer and/or the plug-in part connect
It connects.
Optionally, the reinforcer includes in stainless steel wire, stainless steel wire rope, hollow stainless steel tube and hollow plastic pipe
It is a kind of or and combinations thereof.
Optionally, the axial displacement component includes handle；
One end far from the plug-in part of the handle is provided with diameter and leads to what the interior flexible pipe diameter matched
Hole, the interior collapsible tube portion protrude into the handle inner from the through-hole and connect with the plug-in part；
The outer flexible pipe is located at the handle outer, and the handle drives the relatively described outer flexible pipe of interior flexible pipe
When mobile, the maximum distance that the syringe needle stretches out can be limited with one end of the through-hole by the handle.
Optionally, the axial displacement component includes handle；
One end far from the plug-in part of the handle is provided with diameter and leads to what the outer flexible pipe diameter matched
Hole, the outer collapsible tube portion protrude into the handle inner from the through-hole, and the interior collapsible tube portion is from the outer flexible pipe
Stretching is connect with the plug-in part；
The plug-in part is provided with block far from one end of the female Luer, and the handle drives the interior flexible pipe phase
When mobile to the outer flexible pipe, the maximum distance that the syringe needle stretches out can be limited by the block.
Optionally, the axial displacement component includes handle and fixing piece；
One end far from the plug-in part of the handle is arranged in the fixing piece, is provided with diameter on the fixing piece
The through-hole to match with the outer flexible pipe diameter, the outer collapsible tube portion protrude into inside the fixing piece from the through-hole,
And it is fixedly connected with the fixing piece；
The interior collapsible tube portion is stretched out from the outer flexible pipe to be connect with the plug-in part；
The plug-in part part is socketed in the handle, periphery of the plug-in part close to one end of the female Luer
It is provided with block；
When the handle is moved axially relative to the plug-in part, the handle drives the outer flexible pipe mobile, passes through
The block can limit the maximum distance that the syringe needle stretches out.
Optionally, the axial displacement component includes handle, fixing piece and threaded block；
One end far from the plug-in part of the fixing piece and the handle is rotatably connected, and the fixing piece part
It protrudes into the handle and is threadedly coupled with the threaded block that the handle inner is arranged in, the fixing piece and the threaded block
On be provided with the diameter that is mutually communicated and through-hole that the outer flexible pipe diameter matches, the outer collapsible tube portion is from described logical
Hole is protruded into inside the fixing piece and the threaded block, and is fixedly connected with the threaded block；
It is provided with limited post on the threaded block, is provided on the corresponding position of handle inner along the handle axis
The limiting slot of extension, the limited post can slide along the limiting slot extending direction and limit the threaded block and circumferentially rotate；
The interior collapsible tube portion is stretched out from the outer flexible pipe to be connect with the plug-in part；
The plug-in part part is socketed in the handle and is fixedly connected with the threaded block, and the plug-in part is close to institute
The periphery for stating one end of female Luer is provided with block；
Rotating the fixing piece can drive the threaded block to move along the handle axis, and the threaded block drives in described
Plug-in unit is mobile relative to the handle, when driving the interior flexible pipe mobile relative to the outer flexible pipe, passes through the gear
Block can limit the maximum distance that the syringe needle stretches out.
Optionally, further include axial displacement component for driving the interior flexible pipe and outer flexible pipe relative movement
And female Luer；
One end of the axial displacement component is provided with fixing piece, and diameter and the outer flexibility are provided on the fixing piece
The through-hole that pipe diameter matches, the outer collapsible tube portion protrude into inside the fixing piece from the through-hole, and with the fixation
Part is fixedly connected；
The interior collapsible tube portion is stretched out from the outer flexible pipe, and is passed through the axial displacement component and connect with described Rule
Mouth connection.
Optionally, the axial displacement component includes handle and push button；
One end of the handle is arranged in the fixing piece, and the interior flexible pipe passes through the handle and the female Luer
Connection；
The sliding slot extended along the handle axis is provided on the handle, institute is protruded into from the sliding slot in the push button part
It states handle inner to be fixedly connected with the interior flexible pipe, the push button can be slided along the sliding slot extending direction, the sliding slot
The push button is limited to circumferentially rotate；
When the push button is slided along the sliding slot extending direction, to drive the interior flexible pipe relative to the outer flexible pipe
It is mobile, the maximum distance that the syringe needle stretches out can be limited by the female Luer.
Optionally, reinforcer is equipped in the interior flexible pipe；
One end of the reinforcer is connect with the syringe needle, and the other end is connect with the female Luer.
Optionally, the axial displacement component includes handle, regulating part and threaded block；
One end of the handle is arranged in the fixing piece, and the interior flexible pipe passes through the handle and the female Luer
Connection；
One end far from the fixing piece of the regulating part and the handle is rotatably connected, and the regulating part part
It protrudes into the handle and is threadedly coupled with the threaded block that the handle inner is arranged in, the interior flexible pipe and the screw thread
Block is fixedly connected；
It is provided with limited post on the threaded block, is provided on the corresponding position of handle inner along the handle axis
The limiting slot of extension, the limited post can slide along the limiting slot extending direction and limit the threaded block and circumferentially rotate；
Rotating the regulating part drives the threaded block to move along the handle axis, so as to described in threaded block drive
When interior flexible pipe is mobile relative to the outer flexible pipe, by the female Luer can limit that the syringe needle stretches out it is maximum away from
From.
It further optionally, further include support tube and sliding block；
The fixing piece, which is arranged in one end of the handle and partially protrudes into the handle inner, forms limiting section, described solid
Determine the through-hole for diameter being provided on part and the support pipe diameter matches, the support tube portion protrudes into the fixation from through-hole
Inside part, and it is fixedly connected with the fixing piece；
The sliding block is arranged in the handle inner, between the fixing piece and the threaded block, the sliding block part
On be provided with diameter and through-hole that the outer flexible pipe diameter matches, the outer collapsible tube portion protrudes into the sliding block from through-hole
Inside, and be fixedly connected with the sliding block；
Bayonet is provided on the sliding block, the corresponding position of the threaded block is provided with elastic force buckle；
Rotating the regulating part drives the threaded block along the handle axis to when moving close to the support tube direction,
The threaded block abuts the end face of the bayonet by elastic force buckle, to push the sliding block mobile, while the screw thread
Block drives the interior flexible pipe mobile, and the outer flexible pipe and the interior flexible pipe stretch out the support tube simultaneously；
When the sliding block and the limiting section offset, across the bayonet, the threaded block drives the elastic force buckle
The interior flexible pipe is mobile, and the interior flexible pipe stretches out the outer flexible pipe.
Technical solution provided by the embodiment of the utility model takes suitable for lesion in bronchus and near bronchial wall
Sample, for example, outer flexible pipe can be protruded into bronchus by bronchoscopic forceps road or tracheae interposing catheter.Interior flexible pipe can be with outer
Flexible pipe protrudes into sample location, and can stretch out out of outer flexible pipe and be sampled by syringe needle, and syringe needle can puncture air inlet
In tissue in pipe or outside tracheal wall, and wound is smaller, syringe is sustainable is sampled for cooperation, aspirates the sample safety of acquisition
It deposits in pipe and in syringe, facilitates operation, convenient for the analysis and inspection of next step pathology.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model embodiment, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the utility model
A part of embodiment, the illustrative embodiments and their description of the utility model embodiment are for explaining that the utility model is implemented
Example, does not constitute the improper restriction to the utility model embodiment.
In the accompanying drawings:
Status diagram when Fig. 1 is the syringe needle stretching outer flexible pipe of the aspiration biopsy needle of the utility model embodiment；
Fig. 2 takes in status diagram when outer flexible pipe for the syringe needle of the aspiration biopsy needle of the utility model embodiment；
Fig. 3 a, 3c, 3e are respectively the schematic diagram at the tip of different shapes of the syringe needle of the utility model embodiment；
Fig. 3 b, 3d, 3f are respectively the cross-sectional view of Fig. 3 a, tip shown in 3c, 3e；
Fig. 4 a-4e is respectively the schematic diagram of the syringe needle of different shapes of the utility model embodiment；
Fig. 5 a, 5c, 5e, 5g are respectively the schematic diagram of the target seeker of different shapes of the utility model embodiment；
Fig. 5 b, 5d, 5f, 5h are respectively the cross-sectional view of Fig. 5 a, derivation graph shown in 5c, 5e, 5g；
Fig. 6 a is the status diagram that syringe needle target seeker shown in Fig. 5 a of the utility model embodiment stretches out；
Fig. 6 b is the enlarged diagram in Fig. 6 a at A；
Fig. 6 c is the status diagram that syringe needle target seeker shown in Fig. 5 c of the utility model embodiment stretches out；
Fig. 6 d is the enlarged diagram in Fig. 6 c at B；
Fig. 7 a, 8a, 9a, 10a are respectively various forms of aspiration biopsies with plug-in part of the utility model embodiment
Needle, syringe needle take in state diagrammatic cross-section when outer flexible pipe；
Fig. 7 b, 8b, 9b, 10b respectively correspond state when stretching out outer flexible pipe for the syringe needle in Fig. 7 a, 8a, 9a, 10a and cut open
Depending on schematic diagram；
Figure 11 is the schematic diagram of the aspiration biopsy needle of the omission plug-in part of the utility model embodiment；；
Figure 12 a is the aspiration biopsy needle with push button of the utility model embodiment, and syringe needle takes in shape when outer flexible pipe
State diagrammatic cross-section；
The schematic cross-sectional view of state when the syringe needle that Figure 12 b is Figure 12 a stretches out outer flexible pipe；
Figure 13 is the aspiration biopsy needle with regulating part of the utility model embodiment, and syringe needle stretches out shape when outer flexible pipe
State diagrammatic cross-section；
Figure 14 a is the aspiration biopsy needle with support tube of the utility model embodiment, when syringe needle takes in outer flexible pipe
State diagrammatic cross-section；
Figure 14 b is the diagrammatic cross-section of Figure 14 a；
Figure 14 c be the utility model embodiment the aspiration biopsy needle with support tube, syringe needle stretching outer flexible pipe when
State diagrammatic cross-section；
Figure 14 d is the diagrammatic cross-section of Figure 14 c.
Description of symbols
10: syringe needle；11: tip；12: continuing section；13: pin hole；
20: outer flexible pipe；21: target seeker；22: opening；
30: interior flexible pipe；31: reinforcer；
40: axial displacement component；41: handle；42: limit rib；
50: female Luer；
60: plug-in part；61: block；62: retention bead；
70: fixing piece；
80: threaded block；81: limited post；82: elastic force buckle；
90: push button；
100: regulating part；
110: support tube；
120: sliding block；121: bayonet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model embodiment a part of the embodiment, instead of all the embodiments.Based on the utility model reality
Apply the embodiment in example, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, the range of the utility model embodiment protection is belonged to.
Inventor has found that provided biopsy tool is divided into long straight currently on the market in the process of implementing the utility model
Needle-shaped biopsy tool and tubing biopsy tool flexible.Long straight needle-shaped biopsy tool needs to pass through percutaneous puncture when in use
Lesions position is reached, patient will bear biggish body and mind pain, and easily cause the complication such as pneumothorax.Tubing biopsy work flexible
Tool, the sampling structure of front end be mostly banister brush, gulleting, pincers class, cooperation bronchoscope using when be difficult to it is repeatedly curved in lung
It walks and positions in bent path.When tubing biopsy tool flexible samples such as bronchial lumen organization, it is difficult to be pierced by gas
Tube wall to cavity outside tissue be sampled, and be easy to cause the problems such as larger wound, sampling amount are few, sample is easily lost.This
Outside, current tubing biopsy tool is used to need to select when different size of lesion the biopsy tool of appropriate size in the market, increases
The difficulty for having added biopsy to sample.
Therefore, to solve defect in the prior art, the utility model embodiment provides a kind of aspiration biopsy needle, by outer
Interior flexible pipe can be protruded into sample position by flexible pipe, and interior flexible pipe can be stretched out out of outer flexible pipe and is sampled by syringe needle,
Syringe needle can puncture in air inlet tube wall, and wound is smaller, syringe is sustainable is sampled for cooperation, facilitates operation.
The embodiment of the utility model embodiment is described in detail below in conjunction with accompanying drawings and embodiments, whereby to this reality
With new embodiment, how applied technology method solves technical problem and reaches the realization process of technical effect to fully understand
And implement accordingly, it is described further below in conjunction with structure of the attached drawing to the utility model embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In the description of new embodiment, it is to be understood that if having the orientation or position of the instructions such as term " on ", "lower", "left", "right"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model embodiment and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore the terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limit to the utility model embodiment
System, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.
Status diagram when Fig. 1 is the syringe needle stretching outer flexible pipe of the aspiration biopsy needle of the utility model embodiment, Fig. 2
Status diagram when takeing in outer flexible pipe for the syringe needle of the aspiration biopsy needle of the utility model embodiment, such as Fig. 1 and Fig. 2 institute
Show.The utility model embodiment provides a kind of aspiration biopsy needle, comprising: the syringe needle 10 of at least one hollow tubular, outer flexibility
Pipe 20 and interior flexible pipe 30.
Syringe needle 10 includes tip 11 and the continuity section 12 of connection；Wherein, referring to Fig. 3 a to Fig. 3 e, it is empty that tip 11 is equipped with connection
The pin hole 13 of heart tube cavity.Interior flexible pipe 30 is arranged in outer flexible pipe 20, and can relatively outer flexible pipe 20 be axially moveable.It is interior
Flexible pipe 30 is connect with syringe needle 10, to drive syringe needle 10 to stretch out outside outer flexible pipe 20 or take in outer flexible pipe 20.
Technical solution provided by the embodiment of the utility model takes suitable for lesion in bronchus and near bronchial wall
Sample, for example, outer flexible pipe 20 can be protruded into bronchus by bronchoscopic forceps road or tracheae interposing catheter.Interior flexible pipe 30 can be with
Outer flexible pipe 20 protrude into sample location, and can stretch out and be sampled by syringe needle 10, syringe needle 10 out of outer flexible pipe 20
It can puncture in the tissue in air inlet pipe or outside tracheal wall, wound is smaller, and cooperation syringe can by the pin hole 13 on syringe needle 10
It is persistently sampled, the sample for aspirating acquisition is deposited in safely in pipe and in syringe, facilitates operation, convenient for next step pathology
Analysis and inspection.
Aspiration biopsy needle provided by the embodiment of the utility model is further detailed below.
In a kind of achievable embodiment of the utility model, for suitable for different sizes, different location and difference
The purpose lesion of distance, the implementation of syringe needle 10 include it is a variety of, referring to Fig. 3 a to Fig. 3 f, the shape packet at the tip 11 of syringe needle 10
It includes but is not limited to coniform, wedge shape or pyramid-shaped.Wherein, the difference of the shape at tip 11, the position setting side of pin hole 13
Formula is also different.To guarantee that syringe needle 10 can puncture in air inlet tube wall, the outer diameter of syringe needle 10 is 0.3-1.2mm, and syringe needle 10 passes through sky
Heart Nitinol pipe or stainless steel tube is thermally treated is made.
A to Fig. 4 e referring to fig. 4, continue section 12 include in straightway and curved section one of or any number of combinations.Its
In, L indicates that straightway, R indicate curved section, and digital representation has several.For example, in Fig. 4 a, prolong with what syringe needle 10 was connect
Continuous section 12 is one section of straightway, i.e. L1.Sequentially connected n curved section, as R1, R2 ... Rn.It is connected with Rn curved section
Another section of straightway, i.e. L2.Straightway and a variety of combination of curved section, to form a variety of different shapes for continuing section 12
Shape.Tip 11 is connect with the continuity section 12 for being located at end, for example, tip 11 is connect with the straightway for being located at end in Fig. 4 a, is schemed
Tip 11 is connect with the curved section of end in 4b.C and Fig. 4 d referring to fig. 4, curved section can form semi-circular segments or semiellipse section.Half
When circle section, the fan shape center angular range where curved section is 180 ° -225 °.When semiellipse section, in the sector where curved section
Heart angular range is 45 ° -180 °.
For the sampling of the purpose lesion suitable for different location, in the utility model embodiment, when syringe needle 10 is greater than one,
All syringe needles 10 are unfolded after stretching out outside outer flexible pipe 20 along different directions.Multiple syringe needles 10 to different directions be unfolded, with puncture into
Different positions are sampled.Specifically, uniformly composition umbrella is unfolded to different directions in multiple syringe needles 10.Preferably, Duo Gezhen
First 10 completely from outer 20 open end of flexible pipe stretch out be fully deployed after, deployment diameter be more than or equal to 8mm and be less than or equal to 40mm, exhibition
Radial height is opened more than or equal to 5mm and is less than or equal to 20mm.Syringe needle 10 can take in outer flexibility when takeing in outer flexible pipe 20 completely
In pipe 20, outer flexible pipe 20 plays a protective role to syringe needle 10.
Further, in order to realize that outer flexible pipe 20 can be punctured in advance into harder tissue or bronchial wall,
Then 10 expansion direction of syringe needle and puncture are rebooted, it is outer soft in a kind of achievable embodiment of the utility model referring to Fig. 1
The stretching of property pipe 20 or the one end for takeing in syringe needle 10 are provided with the target seeker 21 for guiding 10 moving direction of syringe needle.For suitable for
The purpose lesion of different size, different location and different distance, the implementation of target seeker 21 include it is a variety of, referring to Fig. 5 a
To Fig. 5 h, the shape of target seeker 21 includes coniform, wedge shape, pyramid-shaped and one of spherical.It is provided with out on target seeker 21
Mouthfuls 22,22 quantity of being open is one or identical as 10 quantity of syringe needle.For example, referring to Fig. 5 a and Fig. 5 b, target seeker 21 is
When wedge shape, opening 22 is arranged on the inclined-plane of wedge shape, and quantity is one.Referring to Fig. 5 c and Fig. 5 d, target seeker 21 is circular cone
When shape, opening 22 is arranged on coniform inclined-plane, and quantity can be for one or identical as 10 quantity of syringe needle.Above-mentioned shape is led
Depending on leader 21 and 22 set-up mode of opening of other shapes can be according to specific sampling requests, it is not specifically limited herein.It leads
Syringe needle 10 can be found in Fig. 6 a to Fig. 6 d from the state that opening 22 is stretched out when leader 21 is wedge shape and is coniform.The utility model is real
It applies in example, target seeker 21 includes but is not limited to use one of stainless steel, platinumiridio, gold, titanium or titanium alloy or a variety of materials
Material is made.Target seeker 21 can also be by other in addition to above-mentioned material in the specific good developability of special image documentation equipment
Material be made, image documentation equipment includes but is not limited to X-ray equipment, CT imaging device etc..
It when being sampled using aspiration biopsy needle, can take the lead in puncturing by target seeker 21 into tissue, then in control
Depth of the flexible pipe 30 in outer flexible pipe 20, so that syringe needle 10 is stretched out from the opening 22 on target seeker 21.The utility model is real
The structure for applying the target seeker 21 in example is suitable for the occasion that tracheal wall is thicker, harder, relatively sliding, in leading for 21 upper opening 22 of target seeker
Under drawing, syringe needle 10 can efficiently be unfolded simultaneously smoothly to puncture in air inlet tube wall.
In the utility model embodiment, interior flexible pipe 30 and/or outer flexible pipe 20 include but is not limited to pass through polytetrafluoro
Extruded pipe made of one of ethylene, polypropylene, polyethylene, polyamide or multiple material；Or interior flexible pipe 30 and/or outer soft
Property pipe 20 be multilayer pipe, have wire sheathing or shape of threads steel wire reinforcing layer, and pass through polytetrafluoroethylene (PTFE), polypropylene, poly- second
Co-extruding tube made of one of alkene, polyamide or multiple material.Interior flexible pipe 30 and/or outer flexible pipe 20 can also be by except upper
Other for stating other than material are made in the material of the specific good developability of special image documentation equipment
In the utility model embodiment, aspiration biopsy needle is operated for convenience of user, further, referring to Fig. 1,
Fig. 2 and Fig. 7 a, aspiration biopsy needle further include the axial displacement group for driving interior flexible pipe 30 with the relative movement of outer flexible pipe 20
Part 40 and plug-in part 60 with female Luer 50.Plug-in part 60 and the connection open at one end of axial displacement component 40.Interior flexible pipe
One end of 30 separate syringe needle 10 puts in solid with plug-in part 60 in axial displacement component 40 from the other end of axial displacement component 40
Fixed connection, and be connected to by plug-in part 60 with female Luer 50.By axial displacement component 40 can drive interior flexible pipe 30 with it is outer
Flexible pipe 20 relatively moves, to drive syringe needle 10 to stretch out and take in outer flexible pipe 20 by interior flexible pipe 30.Syringe needle 10 passes through
Plug-in part 60 is connected to female Luer 50, and the draw-out devices such as cooperation syringe carry out the sampling of lesions position.
Further, in order to reinforce the toughness and movenent performance of interior flexible pipe 30, push power is preferably transmitted to needle
On first 10, in a kind of achievable embodiment of the utility model, reinforcer 31 is equipped in interior flexible pipe 30.The one of reinforcer 31
End is connect with syringe needle 10, and the other end is connect with female Luer 50 and/or plug-in part 60.Specifically, reinforcer 31 includes but unlimited
In one of stainless steel wire, stainless steel wire rope, hollow stainless steel tube and hollow plastic pipe or and combinations thereof.Reinforcer 31 with it is interior
Flexible pipe 30 can be coaxially disposed, for example, the stainless steel wire of coaxial arrangement can be single or more, or more mutually
It cuts with scissors to form the structure of stainless steel wire rope.Coaxial arrangement hollow plastic pipe be it is single, material can be polytetrafluoroethylene (PTFE), poly- third
The extruded pipe of alkene, polyethylene, polyamide.In addition, reinforcer 31 can also be by other in addition to above-mentioned material special
The material of the specific good developability of image documentation equipment is made, and image documentation equipment includes but is not limited to X-ray equipment, CT imaging device etc..
Below to several different realizations of the aspiration biopsy needle provided by the embodiment of the utility model with plug-in part 60
Mode describes in detail.
The first can realize that mode is, referring to figs. 7a and 7b, axial displacement component 40 includes handle 41.Handle 41 it is remote
One end from plug-in part 60 is provided with the through-hole that diameter and interior 30 diameter of flexible pipe match, and interior 30 part of flexible pipe is stretched from through-hole
Enter 41 inside of handle to connect with plug-in part 60.Outer flexible pipe 20 is located at outside handle 41, and handle 41 drives interior flexible pipe 30 opposite
When outer flexible pipe 20 is mobile, the maximum distance of the stretching of syringe needle 10 can be limited with one end of through-hole by handle 41.
Use process is as follows outer flexible pipe 20 is protruded into branch gas by bronchoscopic forceps road or tracheae interposing catheter by user
Guan Zhong, it is after marching to lesions position, outer flexible pipe 20 is fixed.User holds handle 41 and slowly pushes, and passes through axial movement
Handle 41, by control in flexible pipe 30 the depth difference in outer flexible pipe 20 come control syringe needle 10 stretching distance and in the form of.
Interior flexible pipe 30 drives syringe needle 10 to stretch out outer flexible pipe 20 and punctures in air inlet tube wall.Syringe is connect with female Luer 50 laggard
Row aspiration sample, the sample for aspirating acquisition are deposited in safely in interior flexible pipe 30 and in syringe, facilitate operation, convenient in next step
The analysis and inspection of pathology.When outer flexible pipe 20 is abutted with handle 41 with one end of through-hole, due to the through-hole on handle 41
Flexible pipe 30 passes through in only allowing, and because furthermore flexible pipe 20 cannot protrude into through-hole, outer flexible pipe 20 is blocked in outside handle 41,
To limit the stretching maximum distance of interior flexible pipe 30, the i.e. maximum distance of restriction syringe needle 10 stretching.The form of syringe needle 10 can be found in
The form of Fig. 3 a to Fig. 4 e.The stretching of outer flexible pipe 20 or the one end for takeing in syringe needle 10 are arranged just like guiding shown in Fig. 5 a to Fig. 5 h
First 21.
Second of achievable mode can be understood as the improvement to the first achievable mode.The first implementation and
In second of implementation, handle 41 is fixed, flexible pipe 30 in common driving with the plug-in part 60 with female Luer 50
It is mobile relative to outer flexible pipe 20.Relative movement can be generated between outer flexible pipe 20 and handle 41.Specifically, side can be achieved second
Formula is that referring to figs. 8a and 8b, axial displacement component 40 includes handle 41.One end of the separate plug-in part 60 of handle 41 is provided with
The through-hole that diameter and outer 20 diameter of flexible pipe match, outer 20 part of flexible pipe are protruded into inside handle 41 from through-hole, interior flexible pipe
30 parts are stretched out from outer flexible pipe 20 to be connect with plug-in part 60.Plug-in part 60 is provided with block far from one end of female Luer 50
61, when handle 41 drives interior flexible pipe 30 mobile relative to outer flexible pipe 20, the maximum of the stretching of syringe needle 10 can be limited by block 61
Distance.
Use process can be found in the first implementation, and difference is, when handle is protruded into from through-hole in outer 20 part of flexible pipe
In 41.When one end that outer flexible pipe 20 protrudes into inside handle 41 is abutted with block 61, outer flexible pipe 20 is blocked, in limiting
The maximum distance that the stretching maximum distance of flexible pipe 30, as syringe needle 10 are stretched out.The form of syringe needle 10 can be found in Fig. 3 a to Fig. 4 e
Form.The stretching of outer flexible pipe 20 or the one end for takeing in syringe needle 10 are arranged just like target seeker 21 shown in Fig. 5 a to Fig. 5 h.
The third achievable mode is, referring to Fig. 9 a and Fig. 9 b, axial displacement component 40 includes handle 41 and fixing piece
70.One end of the separate plug-in part 60 of handle 41 is arranged in fixing piece 70, and diameter and outer flexible pipe 20 are provided on fixing piece 70
The through-hole that diameter matches, outer 20 part of flexible pipe is protruded into inside fixing piece 70 from through-hole, and is fixedly connected with fixing piece 70.It is interior
30 part of flexible pipe is stretched out from outer flexible pipe 20 to be connect with plug-in part 60.60 part of plug-in part is socketed in handle 41, plug-in part
60 are provided with block 61 close to the periphery of one end of female Luer 50.When handle 41 is moved axially relative to plug-in part 60, handle
41 drive outer flexible pipe 20 mobile, and the maximum distance of the stretching of syringe needle 10 can be limited by block 61.
Use process is as follows outer flexible pipe 20 is protruded into branch gas by bronchoscopic forceps road or tracheae interposing catheter by user
Guan Zhong marches to lesions position.One of user holds handle 41 of stopping with fixed outer flexible pipe 20, and another hand holds interpolation
Part 60 slowly pushes, and by moving axially plug-in part 60, is come with controlling interior depth difference of the flexible pipe 30 in outer flexible pipe 20
Control distance and form that syringe needle 10 stretches out.Interior flexible pipe 30 drives syringe needle 10 to stretch out outer flexible pipe 20 and punctures in air inlet tube wall.
Aspiration sample is carried out after syringe is connect with female Luer 50, the sample for aspirating acquisition deposit in safely in interior flexible pipe 30 and
In syringe, facilitate operation, convenient for the analysis and inspection of next step pathology.When block 61 is abutted with handle 41, plug-in part 60
It cannot continue to push, the push depth of plug-in part 60 is defined by block 61, to limit the stretching of interior flexible pipe 30 most
The maximum distance that big distance, i.e. restriction syringe needle 10 are stretched out.The form of syringe needle 10 can be found in the form of Fig. 3 a to Fig. 4 e.Outer flexible pipe
20 stretching or the one end for takeing in syringe needle 10 are arranged just like target seeker 21 shown in Fig. 5 a to Fig. 5 h.Further, to prevent from takeing in
When syringe needle 10, plug-in part 60 is deviate from out of handle 41, and handle 41 is internally provided with limit rib 42, and plug-in part 60 protrudes into handle 41
The one end in portion is provided with the retention bead 62 being used cooperatively with limit rib 42, by limit rib 42 and retention bead 62, can limit
Length when plug-in part 60 is extracted out inside handle 41, prevents plug-in part 60 from deviating from out of handle 41.Further, plug-in part
It may be provided with scale on 60 or on handle 41 to indicate the outreach of syringe needle 10.
4th kind of achievable mode can be understood as the improvement to the third achievable mode.The third implementation and
In 4th kind of implementation, handle 41 and outer flexible pipe 20 be it is fixed, plug-in part 60 is relatively-movable with handle 41.Tool
Body, the 4th kind of achievable mode is, referring to Figure 10 a and Figure 10 b, axial displacement component 40 includes handle 41, fixing piece 70
And threaded block 80.Fixing piece 70 and one end of the separate plug-in part 60 of handle 41 are rotatably connected, and fixing piece 70 partially protrudes into
It is threadedly coupled in handle 41 with the threaded block 80 being arranged in inside handle 41, is provided on fixing piece 70 and threaded block 80 and mutually passes through
The through-hole that logical diameter and outer 20 diameter of flexible pipe match, fixing piece 70 and threaded block are protruded into from through-hole in outer 20 part of flexible pipe
Inside 80, and it is fixedly connected with threaded block 80.Limited post 81 is provided on threaded block 80,41 inside of handle is set on corresponding position
It is equipped with the limiting slot extended along 41 axis of handle, limited post 81 can slide along limiting slot extending direction and limit threaded block 80 weeks
To rotation.Interior 30 part of flexible pipe is stretched out from outer flexible pipe 20 to be connect with plug-in part 60.60 part of plug-in part is socketed in handle 41
Interior and be fixedly connected with threaded block 80, plug-in part 60 is provided with block 61 close to the periphery of one end of female Luer 50.Rotation is solid
Determining part 70 can drive threaded block 80 to move along 41 axis of handle, and threaded block 80 drives plug-in part 60 mobile relative to handle 41, with
When flexible pipe 30 is mobile relative to outer flexible pipe 20 in driving, the maximum distance of the stretching of syringe needle 10 can be limited by block 61.
Use process can be found in the third implementation, and difference is, push in flexible pipe 30 mode from hand push interpolation
Part 60 is changed to rotary mount 70 to drive plug-in part 60 to push.Outer flexible pipe 20 is passed through bronchoscopic forceps road by user
Or tracheae interposing catheter protrudes into bronchus, marches to lesions position.One of user holds handle 41 of stopping with fixed outer soft
Property pipe 20, another hand rotary mount 70 moves threaded block 80 along limiting slot, and threaded block 80 drives plug-in part 60 to push away
It send or extracts out.By moving axially plug-in part 60, controlled with controlling interior depth difference of the flexible pipe 30 in outer flexible pipe 20
The distance and form that syringe needle 10 stretches out.Interior flexible pipe 30 drives syringe needle 10 to stretch out outer flexible pipe 20 and punctures in air inlet tube wall.Into one
Step, it may be provided with scale around limiting slot to indicate the outreach of syringe needle 10.
In above-described embodiment, the interior flexible pipe 30 of aspiration biopsy needle needs to be connected to by plug-in part 60 with female Luer 50,
The utility model embodiment additionally provides the implementation that can be omitted the aspiration biopsy needle of plug-in part 60, specific as follows:
In the utility model embodiment, referring to Figure 11, optionally, aspiration biopsy needle further includes for driving interior flexible pipe 30
With the axial displacement component 40 and female Luer 50 of the relative movement of outer flexible pipe 20.One end of axial displacement component 40 is provided with solid
Determine part 70, be provided with diameter on fixing piece 70 and through-hole that outer 20 diameter of flexible pipe matches, outer 20 part of flexible pipe is from through-hole
It protrudes into inside fixing piece 70, and is fixedly connected with fixing piece 70.Interior 30 part of flexible pipe is stretched out from outer flexible pipe 20, and passes through axis
It is connect to displacement component 40 with female Luer 50.Interior flexible pipe 30 and outer 20 phase of flexible pipe can be driven by axial displacement component 40
To movement, to drive syringe needle 10 to stretch out and take in outer flexible pipe 20 by interior flexible pipe 30.Syringe needle 10 is directly and female Luer
50 connections, the draw-out devices such as cooperation syringe carry out the sampling of lesions position.
Below to several different realizations of the aspiration biopsy needle provided by the embodiment of the utility model for omitting plug-in part 60
Mode describes in detail.
The first can realize that mode is, referring to Figure 12 a and Figure 12 b, axial displacement component 40 includes handle 41 and push button 90.
One end of handle 41 is arranged in fixing piece 70, and interior flexible pipe 30 passes through handle 41 and connect with female Luer 50.It is arranged on handle 41
There is the sliding slot extended along 41 axis of handle, 90 part of push button is protruded into 41 inside of handle from sliding slot and is fixedly connected with interior flexible pipe 30,
Push button 90 can be slided along sliding slot extending direction, and sliding slot limits push button 90 and circumferentially rotates.Extending direction slides push button 90 along the chute
When, to drive interior flexible pipe 30 mobile relative to outer flexible pipe 20, the maximum of the stretching of syringe needle 10 can be limited by female Luer 50
Distance.
Use process is as follows outer flexible pipe 20 is protruded into branch gas by bronchoscopic forceps road or tracheae interposing catheter by user
Guan Zhong marches to lesions position.User holds handle 41 with fixed outer flexible pipe 20, slowly pushes push button 90, passes through axial direction
Mobile push button 90 controls the distance and shape of the stretching of syringe needle 10 to control interior depth difference of the flexible pipe 30 in outer flexible pipe 20
State.Interior flexible pipe 30 drives syringe needle 10 to stretch out outer flexible pipe 20 and punctures in air inlet tube wall.Syringe is connect with female Luer 50
After carry out aspiration sample, the sample for aspirating acquisition is deposited in safely in interior flexible pipe 30 and in syringe, facilitates operation, under being convenient for
The analysis and inspection of one step pathology.When female Luer 50 is abutted with handle 41, push button 90 cannot continue to push, and pass through Shandong
You define the push depth of push button 90 by interface 50, and to limit the stretching maximum distance of interior flexible pipe 30, i.e. restriction syringe needle 10 is stretched
Maximum distance out.Certainly, the maximum distance of the stretching of syringe needle 10 can also be also limited by the extended distance of sliding slot.Syringe needle 10
Form can be found in the form of Fig. 3 a to Fig. 4 e.The stretching of outer flexible pipe 20 takes in one end setting of syringe needle 10 just like Fig. 5 a to figure
Target seeker 21 shown in 5h.Further, in order to reinforce the toughness and movenent performance of interior flexible pipe 30, preferably push power to be passed
It is delivered on syringe needle 10, reinforcer 31 is equipped in interior flexible pipe 30, one end of reinforcer 31 is connect with syringe needle 10, the other end and Shandong
You connect interface 50.Reinforcer 31 can be found in the related content that above-described embodiment is recorded.Further, on sliding slot or handle 41
On may be provided with scale to indicate the outreach of syringe needle 10.
Achievable mode is in second, and referring to Figure 13, axial displacement component 40 includes handle 41, regulating part 100 and spiral shell
Line block 80.One end of handle 41 is arranged in fixing piece 70, and interior flexible pipe 30 passes through handle 41 and connect with female Luer 50.Regulating part
100 are rotatably connected with one end of the separate fixing piece 70 of handle 41, and regulating part 100 partially protrudes into handle 41 and exists with setting
Threaded block 80 inside handle 41 is threadedly coupled, and interior flexible pipe 30 is fixedly connected with threaded block 80.It is arranged on threaded block 80 limited
Position column 81,41 inside of handle are provided with the limiting slot extended along 41 axis of handle on corresponding position, and limited post 81 can be along limit
Position slot extending direction, which slides and limits threaded block 80, to be circumferentially rotated.Rotating regulating part 100 drives threaded block 80 along 41 axis of handle
It is mobile, when driving interior flexible pipe 30 mobile relative to outer flexible pipe 20 so as to threaded block 80, needle can be limited by female Luer 50
First 10 maximum distances stretched out.
Use process is as follows outer flexible pipe 20 is protruded into branch gas by bronchoscopic forceps road or tracheae interposing catheter by user
Guan Zhong marches to lesions position.One of user holds handle 41 of stopping with fixed outer flexible pipe 20, and the rotation of another hand is adjusted
Part 100 moves threaded block 80 along limiting slot, and threaded block 80 drives interior flexible pipe 30 mobile.By moving axially threaded block
80, by control in flexible pipe 30 the depth difference in outer flexible pipe 20 come control syringe needle 10 stretching distance and in the form of.It is interior soft
Property pipe 30 drive syringe needle 10 to stretch out outer flexible pipe 20 to puncture in air inlet tube wall.The form of syringe needle 10 can be found in the shape of Fig. 3 a to Fig. 4 e
Formula.The stretching of outer flexible pipe 20 or the one end for takeing in syringe needle 10 are arranged just like target seeker 21 shown in Fig. 5 a to Fig. 5 h.Further,
Scale be may be provided with around limiting slot to indicate the outreach of syringe needle 10.
The third can realize that mode can be understood as the improvement to second of achievable mode.In second of implementation
On the basis of, referring to Figure 14 a to 14d, axial displacement component 40 includes also wrapping except handle 41, regulating part 100 and threaded block 80
Include support tube 110 and sliding block 120.Specifically, fixing piece 70 is arranged in one end of handle 41 and partially protrudes into 41 inside shape of handle
At limiting section, it is provided with diameter on fixing piece 70 and through-hole that 110 diameter of support tube matches, 110 part of support tube is from through-hole
It protrudes into inside fixing piece 70, and is fixedly connected with fixing piece 70.
Sliding block 120 is arranged inside handle 41, between fixing piece 70 and threaded block 80, is provided on sliding block 120
The through-hole that diameter and outer 20 diameter of flexible pipe match, outer 20 part of flexible pipe is protruded into inside sliding block 120 from through-hole, and and sliding block
120 are fixedly connected.Bayonet 121 is provided on sliding block 120, the corresponding position of threaded block 80 is provided with elastic force buckle 82；
When rotation regulating part 100 drives threaded block 80 to move along 41 axis of handle to close 110 direction of support tube, threaded block
80 abut the end face of bayonet 121 by elastic force buckle 82, mobile to push sliding block 120, while threaded block 80 drives interior flexible pipe
30 is mobile, and outer flexible pipe 20 and interior flexible pipe 30 stretch out support tube 110 simultaneously.When sliding block 120 and limiting section offset, elastic card
Button 82 passes through bayonet 121, and threaded block 80 drives interior flexible pipe 30 mobile, and interior flexible pipe 30 stretches out outer flexible pipe 20.
Use process can be found in second of achievable mode, and difference is, rotate regulating part 100 generate threaded block 80
Axial displacement, the elastic force buckle 82 on threaded block 80 are first contacted with the end face of the bayonet 121 of sliding block 120, axial displacement resistance at this time
Power is less than the elastic deformation force between buckle and 121 end face of bayonet, and threaded block 80 can push sliding block 120 to move forward, so that outer flexible
Pipe 20 and interior flexible pipe 30 stretch out support tube 110, if outer flexible pipe 20 is provided with target seeker 21, target seeker 21 first puncture into
In tracheae or tissue.Regulating part 100 is continued to rotate, so that threaded block 80 continues to press on sliding block 120 and moves forward to sliding block 120 and consolidate
Determine the limiting section contact of part 70, sliding block 120 stops movement.Regulating part 100 is continued to rotate at this time, because sliding block 120 has stopped
Mobile, axial displacement resistance is greater than the elastic deformation force between buckle and 121 end face of bayonet, the Elastic buckle bullet on threaded block 80
Property deformation cross the bayonet 121 on sliding block 120 and continue to move forward, with regulating part 100 is continued to rotate, threaded block 80 continues to drive
Interior flexible pipe 30 stretches out outer flexible pipe 20, and interior flexible pipe 30 drives syringe needle 10 in the opening of target seeker 21 22 on outer 20 head of flexible pipe
Place stretches out and is unfolded.
In the utility model embodiment, support tube 110 includes but is not limited to pass through polytetrafluoroethylene (PTFE), polypropylene, poly- second
Extruded pipe made of one of alkene, polyamide material；Or interior flexible pipe 30 and/or outer flexible pipe 20 are with metal net
Internal layer, and the co-extruding tube made of one of polytetrafluoroethylene (PTFE), polypropylene, polyethylene, polyamide material.Support tube 110 is also
It can be made up of other in addition to above-mentioned material in the material of the specific good developability of special image documentation equipment.
Related content in above each embodiment can be referred to mutually, and can also be combined with each other to form diversified forms
Aspiration biopsy needle, no longer repeats one by one herein.
In conclusion technical solution provided by the embodiment of the utility model, is suitable in bronchus and near bronchial wall
The sampling of lesion, for example, outer flexible pipe 20 can be protruded into bronchus by bronchoscopic forceps road or tracheae interposing catheter.Interior flexibility
Pipe 30 can protrude into sample location with outer flexible pipe 20, and can stretch out out of outer flexible pipe 20 and be taken by syringe needle 10
Sample, syringe needle 10 can puncture in the tissue in air inlet pipe or outside tracheal wall, and wound is smaller, syringe is sustainable is adopted for cooperation
Sample, the sample for aspirating acquisition are deposited in safely in pipe and in syringe, facilitate operation, convenient for the analysis and inspection of next step pathology
It tests.
It should be noted that, although having been carried out in detail in conjunction with specific embodiment of the attached drawing to the utility model embodiment
Description, but should not be construed as the restriction to the protection scope of the utility model embodiment.The range described in claims
Interior, the various modifications and deformation that those skilled in the art can make without creative work still fall within the utility model embodiment
Protection scope.
The example of the utility model embodiment is intended to concisely illustrate the technical characterstic of the utility model embodiment, so that this
Field technical staff can intuitively understand the technical characterstic of the utility model embodiment, be not intended as the utility model embodiment
Improper restriction.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be.Those of ordinary skill in the art are not the case where paying creative labor
Under, it can it understands and implements.
Several preferred embodiments of the utility model embodiment have shown and described in above description, but as previously mentioned, should
Understand that the utility model embodiment is not limited to forms disclosed herein, should not be regarded as an exclusion of other examples,
And can be used for other combinations, modifications, and environments, and can in application contemplated scope described herein, by above-mentioned introduction or
The technology or knowledge of related fields are modified.And changes and modifications made by those skilled in the art do not depart from the utility model reality
Apply the spirit and scope of example, then it all should be in the protection scope of the utility model embodiment appended claims.
Claims (20)
1. a kind of aspiration biopsy needle characterized by comprising
The syringe needle of at least one hollow tubular, the syringe needle include tip and the continuity section of connection；Wherein, the tip, which is equipped with, connects
Lead to the pin hole of hollow tube cavity；
Outer flexible pipe；And
Interior flexible pipe, the interior flexible pipe are arranged in the outer flexible pipe, and can the relatively described outer flexible pipe be axially moveable；
The interior flexible pipe is connect with the syringe needle, to drive the syringe needle to stretch out outside the outer flexible pipe or take in described outer soft
In property pipe.
2. aspiration biopsy needle according to claim 1, which is characterized in that
The shape at the tip is coniform, wedge shape or pyramid-shaped；
It is described continue section include in straightway and curved section one of or any number of combinations.
3. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that the outer diameter of the syringe needle is
0.3-1.2mm；
The syringe needle is by Hollow Nickel titanium alloy tube or stainless steel tube is thermally treated is made.
4. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that when the syringe needle is greater than one,
All syringe needles are unfolded after stretching out outside the outer flexible pipe along different directions.
5. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that the stretching of the outer flexible pipe
Or it takes in one end of the syringe needle and is provided with target seeker for guiding the syringe needle moving direction.
6. aspiration biopsy needle according to claim 5, which is characterized in that the shape of the target seeker includes coniform, wedge
Shape, pyramid-shaped and one of spherical；
Opening is provided on the target seeker, the quantity of the opening is one or identical as the syringe needle quantity.
7. aspiration biopsy needle according to claim 5, which is characterized in that the target seeker using stainless steel, platinumiridio,
One of gold, titanium or titanium alloy or multiple material are made.
8. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that the interior flexible pipe and/or institute
Stating outer flexible pipe is the extruded pipe made of one of polytetrafluoroethylene (PTFE), polypropylene, polyethylene, polyamide or multiple material；
Or
The interior flexible pipe and/or the outer flexible pipe are multilayer pipe, are reinforced with net metal braiding layer or shape of threads steel wire
Layer, and the co-extruding tube made of one of polytetrafluoroethylene (PTFE), polypropylene, polyethylene, polyamide or multiple material.
9. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that further include described for driving
The axial displacement component that interior flexible pipe and the outer flexible pipe relatively move and the plug-in part with female Luer；
The plug-in part and the axial displacement component connection open at one end；
One end far from the syringe needle of the interior flexible pipe puts in the axial position from the other end of the axial displacement component
It moves in component and is fixedly connected with the plug-in part, and be connected to by the plug-in part with the female Luer.
10. aspiration biopsy needle according to claim 9, which is characterized in that be equipped with reinforcer in the interior flexible pipe；
One end of the reinforcer is connect with the syringe needle, and the other end is connect with the female Luer and/or the plug-in part.
11. aspiration biopsy needle according to claim 10, which is characterized in that the reinforcer includes stainless steel wire, stainless
One of wirerope, hollow stainless steel tube and hollow plastic pipe or and combinations thereof.
12. aspiration biopsy needle according to claim 9, which is characterized in that the axial displacement component includes handle；
The through-hole that one end far from the plug-in part of the handle is provided with diameter and the interior flexible pipe diameter matches, institute
It states interior collapsible tube portion and protrudes into the handle inner from the through-hole and connect with the plug-in part；
The outer flexible pipe is located at the handle outer, and the handle drives the interior flexible pipe mobile relative to the outer flexible pipe
When, the maximum distance that the syringe needle stretches out can be limited with one end of the through-hole by the handle.
13. aspiration biopsy needle according to claim 9, which is characterized in that the axial displacement component includes handle；
The through-hole that one end far from the plug-in part of the handle is provided with diameter and the outer flexible pipe diameter matches, institute
State outer collapsible tube portion and protrude into the handle inner from the through-hole, the interior collapsible tube portion from the outer flexible pipe stretch out with
The plug-in part connection；
The plug-in part is provided with block far from one end of the female Luer, and the handle drives the interior flexible pipe with respect to institute
When stating the movement of outer flexible pipe, the maximum distance that the syringe needle stretches out can be limited by the block.
14. aspiration biopsy needle according to claim 9, which is characterized in that the axial displacement component includes handle and consolidates
Determine part；
One end far from the plug-in part of the handle is arranged in the fixing piece, is provided with diameter and institute on the fixing piece
The through-hole that outer flexible pipe diameter matches is stated, the outer collapsible tube portion protrudes into inside the fixing piece from the through-hole, and with
The fixing piece is fixedly connected；
The interior collapsible tube portion is stretched out from the outer flexible pipe to be connect with the plug-in part；
The plug-in part part is socketed in the handle, and the plug-in part is arranged close to the periphery of one end of the female Luer
There is block；
When the handle is moved axially relative to the plug-in part, the handle drives the outer flexible pipe mobile, by described
Block can limit the maximum distance that the syringe needle stretches out.
15. aspiration biopsy needle according to claim 9, which is characterized in that the axial displacement component includes handle, fixation
Part and threaded block；
One end far from the plug-in part of the fixing piece and the handle is rotatably connected, and the fixing piece partially protrudes into
It is threadedly coupled in the handle with the threaded block that the handle inner is arranged in, is set on the fixing piece and the threaded block
It is equipped with the through-hole that the diameter being mutually communicated matches with the outer flexible pipe diameter, the outer collapsible tube portion is stretched from the through-hole
Enter inside the fixing piece and the threaded block, and be fixedly connected with the threaded block；
It is provided with limited post on the threaded block, is provided on the corresponding position of handle inner and extends along the handle axis
Limiting slot, the limited post can slide along the limiting slot extending direction and limit the threaded block and circumferentially rotate；
The interior collapsible tube portion is stretched out from the outer flexible pipe to be connect with the plug-in part；
The plug-in part part is socketed in the handle and is fixedly connected with the threaded block, and the plug-in part is close to the Shandong
The periphery of one end of your interface is provided with block；
Rotating the fixing piece can drive the threaded block to move along the handle axis, and the threaded block drives the plug-in part
It is mobile relative to the handle, it, can by the block when driving the interior flexible pipe mobile relative to the outer flexible pipe
Limit the maximum distance that the syringe needle stretches out.
16. aspiration biopsy needle according to any one of claim 1 or 2, which is characterized in that further include described for driving
The axial displacement component and female Luer of interior flexible pipe and the outer flexible pipe relative movement；
One end of the axial displacement component is provided with fixing piece, and diameter is provided on the fixing piece and the outer flexible pipe is straight
The through-hole that diameter matches, the outer collapsible tube portion protrude into inside the fixing piece from the through-hole, and solid with the fixing piece
Fixed connection；
The interior collapsible tube portion is stretched out from the outer flexible pipe, and passes through the axial displacement component and female Luer company
It connects.
17. aspiration biopsy needle according to claim 16, which is characterized in that the axial displacement component includes handle and pushes away
Key；
One end of the handle is arranged in the fixing piece, and the interior flexible pipe passes through the handle and the female Luer connects
It connects；
The sliding slot extended along the handle axis is provided on the handle, the hand is protruded into from the sliding slot in the push button part
It is fixedly connected inside handle with the interior flexible pipe, the push button can be slided along the sliding slot extending direction, and the sliding slot limits
The push button circumferentially rotates；
When the push button is slided along the sliding slot extending direction, to drive the interior flexible pipe to move relative to the outer flexible pipe
It is dynamic, the maximum distance that the syringe needle stretches out can be limited by the female Luer.
18. aspiration biopsy needle according to claim 16, which is characterized in that be equipped with reinforcer in the interior flexible pipe；
One end of the reinforcer is connect with the syringe needle, and the other end is connect with the female Luer.
19. aspiration biopsy needle according to claim 16, which is characterized in that the axial displacement component includes handle, adjusts
Save part and threaded block；
One end of the handle is arranged in the fixing piece, and the interior flexible pipe passes through the handle and the female Luer connects
It connects；
One end far from the fixing piece of the regulating part and the handle is rotatably connected, and the regulating part partially protrudes into
It is threadedly coupled in the handle with the threaded block that the handle inner is arranged in, the interior flexible pipe and the threaded block are solid
Fixed connection；
It is provided with limited post on the threaded block, is provided on the corresponding position of handle inner and extends along the handle axis
Limiting slot, the limited post can slide along the limiting slot extending direction and limit the threaded block and circumferentially rotate；
Rotating the regulating part drives the threaded block to move along the handle axis, so that threaded block drive is described interior soft
Property pipe it is mobile relative to the outer flexible pipe when, the maximum distance that the syringe needle stretches out can be limited by the female Luer.
20. aspiration biopsy needle according to claim 19, which is characterized in that further include support tube and sliding block；
The fixing piece, which is arranged in one end of the handle and partially protrudes into the handle inner, forms limiting section, the fixing piece
On be provided with diameter and the through-hole that matches of support pipe diameter, the support tube portion protrudes into the fixing piece from through-hole
Portion, and be fixedly connected with the fixing piece；
The sliding block is arranged in the handle inner, between the fixing piece and the threaded block, sets on the sliding block part
It is equipped with the through-hole that diameter matches with the outer flexible pipe diameter, the outer collapsible tube portion protrudes into the sliding block from through-hole
Portion, and be fixedly connected with the sliding block；
Bayonet is provided on the sliding block, the corresponding position of the threaded block is provided with elastic force buckle；
Rotating the regulating part drives the threaded block along the handle axis to when moving close to the support tube direction, described
Threaded block abuts the end face of the bayonet by elastic force buckle, to push the sliding block mobile, while the threaded block band
It is mobile to move the interior flexible pipe, the outer flexible pipe and the interior flexible pipe stretch out the support tube simultaneously；
When the sliding block and the limiting section offset, the elastic force buckle is across the bayonet, described in the threaded block drives
Interior flexible pipe is mobile, and the interior flexible pipe stretches out the outer flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155157.1U CN209032454U (en) | 2018-07-20 | 2018-07-20 | A kind of aspiration biopsy needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155157.1U CN209032454U (en) | 2018-07-20 | 2018-07-20 | A kind of aspiration biopsy needle |
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| CN209032454U true CN209032454U (en) | 2019-06-28 |
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ID=67029833
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680408A (en) * | 2019-10-17 | 2020-01-14 | 常州朗合医疗器械有限公司 | Bronchus puncture wall breaking device |
| WO2021159552A1 (en) * | 2020-02-11 | 2021-08-19 | 南微医学科技股份有限公司 | Needle assembly and sampling needle |
-
2018
- 2018-07-20 CN CN201821155157.1U patent/CN209032454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680408A (en) * | 2019-10-17 | 2020-01-14 | 常州朗合医疗器械有限公司 | Bronchus puncture wall breaking device |
| WO2021159552A1 (en) * | 2020-02-11 | 2021-08-19 | 南微医学科技股份有限公司 | Needle assembly and sampling needle |
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