The disposable wearing pricker of one-handed performance
Technical field
The present invention relates to the disposable wearing pricker of one-handed performance.
Background technology
With continuing to develop for medical level, in recent years by the biopsy of ultrasound-guided fine needle aspiration cytology in daily doctor
Application in treatment is more and more.This method is applied under ultrasonic surveillance, and superficial organ's tissue target mesh is obtained by putting forward slotting mode
Mark cell and carry out pathological diagnosis, such as mammary gland, thyroid gland, lymph node are to early diagnose target good pernicious most quick, simplicity
With the method for safety.For conventional histology biopsy, have the advantages that to damage that small, risk is small, result is same reliable.
This is related to a very important instrument --- puncture needle.
Puncture needle used was hollow superfine round tube shape structure, the outer diameter ruler that 20~25G of external diameter is corresponding in turn in the past
Very little is 0.9mm~0.4mm, can be furnished with entity nook closing member, and entity nook closing member just fills the hollow space of puncture needle, the work of entity nook closing member
With being to prevent that tissue debris and other non-target destination organizations from entering in the hollow space of puncture needle in piercing process, disturb or shadow
Ring diagnostic result.Why the biopsy of Ultrasound-guided Biopsy pin cytology is safe, is because the puncture path of puncture needle can begin
Carried out eventually under operation doctor's direct-view.In actual piercing process, the necessary holds probe of operation doctor, another hand is held
Puncture needle, if being used without the puncture needle of entity nook closing member, tissue debris or non-target target cell then easily enter puncture
In pin, the accuracy of interference or influence pernicious judgement good to target;If can be kept away using the puncture needle with entity nook closing member as far as possible
Exempt from above-mentioned situation, but there is also certain actual application problem, entity nook closing member need to be extracted when puncture needle reaches target, if
Now operation doctor abandons the holding to puncture needle to extract entity nook closing member, and nook closing member is put into safe place, due to soft group
The flexibility and elasticity knitted, puncture needle will be shifted over, and the risk of vital tissue and organ increases around damage target
Plus.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of:The disposable puncture of simple to operate, safe one-handed performance
Pin.
In order to solve the above technical problems, the present invention uses following technical scheme:The disposable wearing pricker of one-handed performance, including
Needle body and puncture needle core are punctured, the puncture needle body includes puncturing needle body portion of the handle and punctures needle body extraction unit point, described to wear
Pricker core includes puncture needle core portion of the handle and puncture needle core filling part, the puncture needle body extraction unit point carrying with tubulose
Hollow space is taken, the puncture needle core filling part can be inserted into the extraction hollow space for puncturing needle body extraction unit point, described to wear
Pricker core filling part is engaged with extracting hollow space, and the puncture needle body portion of the handle matches with puncture needle core portion of the handle
Close, the puncture needle core filling part bending spiral section and puncture needle core that the puncture needle core filling part point includes elastically deformable are filled out
Fill part guiding flat segments, the puncture needle core filling part separate lead flat segments, puncture needle core filling part bending spiral section with
And puncture needle core portion of the handle is sequentially connected, the puncture needle core filling part separate lead flat segments and puncture needle core filling part it is curved
Bent spiral section be inserted into extraction hollow space in, it is described extract hollow space in space be punctured nook closing member filling part separate lead it is flat
Straight section and puncture needle core filling part bending spiral section are full of, and puncture needle core filling part, which is separated, leads flat segments and puncture needle core filling
Part bending spiral section is in equal state, the puncture with puncturing needle body extraction unit point in the presence of needle body extraction unit point is punctured
Nook closing member filling part, which is separated, leads flat segments and puncture needle core filling part bending spiral section departs to extract and recover after hollow space original
State, the puncture needle core portion of the handle is provided with the collar for being used for being arranged finger.
The beneficial effect of the disposable wearing pricker for the one-handed performance that the present invention is provided is:Due to including puncturing needle body and puncture
Nook closing member, the puncture needle body includes puncturing needle body portion of the handle and punctures needle body extraction unit point, and the puncture needle core includes puncturing
Nook closing member portion of the handle and puncture needle core filling part, extraction hollow space of the puncture needle body extraction unit point with tubulose, i.e.,
It is the extraction passage of said hollow, the puncture needle core filling part can be inserted into the extraction hollow space for puncturing needle body extraction unit point
Interior, the puncture needle core filling part is engaged with extracting hollow space, the puncture needle body portion of the handle and puncture needle core hand
Part is held to be engaged, the puncture needle core filling part point include the puncture needle core filling part bending spiral section of elastically deformable with
Puncture needle core filling part, which is separated, leads flat segments, i other words puncture needle core filling part is separated, to lead flat segments be straight, and puncture needle core is filled out
It is bending to fill part bending spiral section, stretchable just as spring, and puncture needle core filling part bending spiral section shape
Can be restored to the original state after change, the puncture needle core filling part separate lead flat segments, puncture needle core filling part bending spiral section and
Puncture needle core portion of the handle is sequentially connected, and the puncture needle core filling part, which is separated, leads flat segments and puncture needle core filling part bending
Spiral section be inserted into extraction hollow space in, it is described extract hollow space in space be punctured nook closing member filling part separate lead it is straight
Section and puncture needle core filling part bending spiral section are full of, and puncture needle core filling part, which is separated, leads flat segments and puncture needle core filling part
It is in equal state, the puncture needle to divide bending spiral section to divide in the presence of needle body extraction unit point is punctured with puncture needle body extraction unit
Core filling part separate lead flat segments and puncture needle core filling part bending spiral section depart from extract hollow space after recover original shape
State, i other words when puncture needle core filling part separate lead flat segments and puncture needle core filling part bending spiral section be inserted into extraction
After in empty part, puncture needle core filling part bending spiral section is straightened, and the entire length of puncture needle core filling part is elongated, described
The space in hollow space is taken to be filled, puncture needle core filling part, which is separated, leads flat segments and puncture needle core filling part bending spiral
Section, which departs from, to be extracted after hollow space, and puncture needle core filling part bending spiral section recovers helical form state, the puncture needle core hand
Holding part and being provided with is used to be arranged the collar of finger, therefore first separates puncture needle core filling part during operation and lead flat segments and puncture
Nook closing member filling part bending spiral section is inserted into extraction hollow space, and is separated in puncture needle core filling part and led flat segments
Conducted Puncture nook closing member filling part bending spiral section is more easily inserted in extraction hollow space, puncture needle core filling part
Bending spiral section is straightened, and is extracted and is filled in hollow space, and thumb and middle finger are held and puncture needle body portion of the handle, and forefinger, which is inserted in, to be worn
In the collar on pricker core portion of the handle, punctured, operation doctor forefinger lifting collar when reaching target, the collar drives and worn
Pricker core move, when puncture needle core completely disengage from puncture needle body extraction unit timesharing, that is, puncture needle core filling part separate lead it is flat
When straight section and puncture needle core filling part bending spiral section completely disengage from extraction hollow space, puncture needle core filling part bending spiral shell
Section contraction is revolved so that the entirety of puncture needle core filling part shortens, so that puncture needle core is complete in needle body extraction unit point from puncturing
Operator and patient will not be injured during exiting to recovery original state, but it is thin in target not influence puncture needle to obtain
Born of the same parents.After the completion of acquisition, the puncture needle core being enclosed within forefinger is pushed with thumb, middle finger, whole process is simple to operate, safety, behaviour
The holding to puncture needle need not be abandoned to extract puncture needle core by making doctor, it is to avoid puncture needle is shifted over, damage target week
The risk for enclosing vital tissue and organ is substantially reduced.
The further puncture needle core filling part is fitted close with puncturing needle body extraction unit point, and the puncture needle core is filled out
Fill partial insertion to extract after hollow space, the head of the puncture needle core filling part is stretched out from hollow space is extracted so that
Tissue debris or non-target target cell are more not easily accessible in extraction hollow space.
The further puncture needle body portion of the handle includes puncturing needle body hand-held handle, and puncturing needle body hand-held handle has
Jack, the puncture needle body hand-held handle is provided with dop, and the puncture needle core portion of the handle includes puncture needle core hand-held handle,
The puncture needle core hand-held handle include plug and block, the block be provided with banking stop, the block, banking stop and insert
Stopper slot is formed between head three, during the plug insertion jack, in dop insertion stopper slot, the collar is arranged in block
And the collar can deformation so that puncture needle core ensure that no relative motion after being inserted into extraction hollow space, Stability Analysis of Structures,
Can the deformation collar the person's forefinger size that is suitable for different operating.
The invention will be further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the puncture needle body of the disposable wearing pricker for the one-handed performance that the present invention is provided.
Fig. 2 is the structural representation of the puncture needle core of the disposable wearing pricker for the one-handed performance that the present invention is provided.
Embodiment
As shown in Figure 1 and Figure 2, the embodiment of the disposable wearing pricker for the one-handed performance that the present invention is provided, including puncture needle body
1 and puncture needle core 2, the puncture needle body 1 includes puncturing needle body portion of the handle 3 and punctures needle body extraction unit point 4, the puncture needle
Core 2 includes puncture needle core portion of the handle 5 and puncture needle core filling part 6, and the needle body extraction unit point 4 that punctures has carrying for tubulose
Hollow space 7 is taken, the puncture needle core filling part 6 can be inserted into the extraction hollow space 7 for puncturing needle body extraction unit point 4, institute
State puncture needle core filling part 6 to be engaged with extracting hollow space 7, the puncture needle body portion of the handle 3 is hand-held with puncture needle core
Part 5 is engaged, and the puncture needle core filling part 6 includes the puncture needle core filling part bending spiral section 8 of elastically deformable
Separated with puncture needle core filling part and lead flat segments 9, the puncture needle core filling part, which is separated, leads flat segments 9, puncture needle core filling part
Bending spiral section 8 and puncture needle core portion of the handle 5 is divided to be sequentially connected, the puncture needle core filling part, which is separated, leads the He of flat segments 9
Puncture needle core filling part bending spiral section 8 is inserted into extraction hollow space 7, the space quilt extracted in hollow space 7
Puncture needle core filling part separate lead flat segments 9 and puncture needle core filling part bending spiral section 8 be full of, puncture needle core filling part
Guide flat segments 9 and puncture needle core filling part bending spiral section 8 in the presence of needle body extraction unit point 4 is punctured with puncturing needle body
It is in equal state to extract part 4, and the puncture needle core filling part, which is separated, leads flat segments 9 and puncture needle core filling part bending spiral
Section 8, which departs to extract, recovers original state after hollow space 7, the puncture needle core portion of the handle 5, which is provided with, to be used to be arranged finger
The collar 10, wherein puncturing needle body extraction unit point 4 and puncture needle core filling part 6 by intensity greatly and rich in the metal material system of toughness
Into.
As shown in Figure 1 and Figure 2, the puncture needle core filling part 6 is fitted close with puncturing needle body extraction unit point 4, described to wear
The pricker core filling insertion of part 6 is extracted after hollow space 7, and the head of puncture needle core filling part 6 is from extracting hollow space 7
It is middle to stretch out.
As shown in Figure 1 and Figure 2, the puncture needle body portion of the handle 3 includes puncturing needle body hand-held handle 11, the puncture needle
Body hand-held handle 11 has jack 12, and the puncture needle body hand-held handle 11 is provided with dop 13, the puncture needle core Handheld Division
5 are divided to include puncture needle core hand-held handle 14, the puncture needle core hand-held handle 14 includes plug 15 and block 16, the block 16
Banking stop 17 is provided with, stopper slot 18 is formed between the block 16, banking stop 17 and the three of plug 15, the plug 15 is inserted
When entering jack 12, dop 13 insertion stopper slot 18 in, the collar 10 be arranged in block 16 and the collar 10 can deformation, wherein
The collar 10 is made using silica type material so that with the person's forefinger size that adapts to different operating.
As needed, the specific embodiment of the present invention is disclosed herein, it will be appreciated that the disclosed embodiments are
The demonstration present invention, the present invention can have different and alternative form to implement.Accompanying drawing is not necessarily drawn to scale.Therefore, institute is public herein
The concrete structure and function detail opened be understood not to it is in a limiting sense, but only as representative basis to instruct ability
Field technique personnel are of the invention using implementing.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.