CN105615928B - A kind of syringe needle - Google Patents
A kind of syringe needle Download PDFInfo
- Publication number
- CN105615928B CN105615928B CN201410582246.4A CN201410582246A CN105615928B CN 105615928 B CN105615928 B CN 105615928B CN 201410582246 A CN201410582246 A CN 201410582246A CN 105615928 B CN105615928 B CN 105615928B
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- Prior art keywords
- needle
- syringe needle
- wall
- bulge
- syringe
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- 230000004323 axial length Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 206010028980 Neoplasm Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003902 lesions Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000002604 ultrasonography Methods 0.000 abstract description 2
- 210000001519 tissues Anatomy 0.000 description 24
- 238000004140 cleaning Methods 0.000 description 19
- 230000001575 pathological Effects 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000001574 biopsy Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 210000000056 organs Anatomy 0.000 description 3
- 230000002045 lasting Effects 0.000 description 2
- 210000001015 Abdomen Anatomy 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The present invention relates to the field of medical instrument technology, in particular to a kind of syringe needle, the inner needle wall is concavo-convex matte structure.The beneficial effects of the invention are as follows, change the structure of inner needle wall, it is positioned down through B ultrasound, the syringe needle of puncture needle enters tumor position, the concavo-convex matte structure of inner needle wall make syringe needle through it is multi-direction mention insert and rotary course in there is cross shear, when withdraw of the needle, can improve the residual rate of inner needle wall suction of cells, be drawn to enough sick cells, detachment even is carried out from root to sick cell, it is completely aspirated；For operator, do not need to continue drawing pintle with hand-held, the vacuum magnitude in needle tubing can be effectively controlled under the cooperation of plate washer and notch positioning, improve and extract success rate, be conducive to that satisfied smear is made and judge lesion nature.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of syringe needles.
Background technique
The successful key of cytolgical examination is to draw enough sick cell, generally depend on accurate positionin when puncture,
After enough negative pressure for having in needle tubing and extraction needle tubing in needle tubing residual cell relatively high residue amount.
Currently, the domestic dress for generalling use ordinary syringe and doing biopsy detection as fine needle puncture, absorption affected area cell
Set, its advantage is that pain is small, easy to operate, but have the following deficiencies: 1, operation when stability it is poor, lump small for body surface and abdomen
Intracavitary lump positioning is inaccurate, when mentioning slotting repeatedly, is easy to damage surrounding organ or tissue；2, it needs operator to be fixed with a hand to wear
The skin at position is pierced, another hand carries out the movement that pintle is pulled out of needle tubing, and operation is laborious, and operator has to last for pulling
Pintle due to being unable to maintain that larger negative pressure in needle tubing, therefore mentions that slotting, draw process is inconvenient；3, diagnostic reliability is influenced, lump is worked as
When quality is harder, the needle tubing inner cell residual quantity of extraction is low, undersampling, makes cytolgical examination that can not obtain reliable diagnosis.
It is " 201675967 U of CN " application No. is " 201020199845.5 ", Authorization Notice No., entitled " a kind of novel
The Chinese utility model patent of tumor tissues sampling probe " discloses a kind of sampling probe, including syringe needle, needle tubing and piston, the needle
It is distributed multiple round pin holes on the side wall of head and pulls piston to draw tumor tissues, so in use, syringe needle is pierced into lump center
Cytolgical examination can be done by taking out afterwards.This invention defect be: 1, duct is more on the syringe needle, single hole aspirate pressure compared with
Small, swabbing pressure dispersion can not be drawn into the cell of sufficient amount；2, poor to the precise positioning ability compared with little tumour tissue, hold
Tissue or normal tissue by a large amount of tumors are easily aspirated, diagnostic reliability is influenced；3, increase the incidence of needle track implantation, to patient with
To endanger.
It is " 202426558 U of CN ", entitled " tissue examination application No. is " 201120503372.8 ", Authorization Notice No.
The Chinese utility model patent of sampling syringe needle " discloses a kind of sampling probe, the needle stand including needle body and needle body tail portion, needle body front end
For the needle point with angle, needle body extends a gap to needle body defence line at needle point angle, and the edge of gap is equipped with cutting edge.Specifically
When operation, which is connect with syringe, which is pierced into sampling tissue, by pulling syringe to generate negative pressure, is taken
Sample group, which is woven under the action of negative pressure, enters needle wall by gap on the syringe needle, and rotating needle passes through the cutting edge at gap edge
Sampling tissue is cut, the tissue being cut is stranded in inside needle body under the action of negative pressure, and syringe needle is extracted, the tissue being cut
Stripping and slicing is taken out of therewith.The invention defect is: 1, because extend a gap, thus it is poor to the precise positioning ability compared with tubercle body tissue,
The possible non-tumor tissue of cutout, influences diagnostic reliability；2, become " linear suction cutting " from " point is taken out ", knurl may be accidentally injured
The normal tissue of surrounding, increases the incidence of complication；3, original closo needle head structure is changed, under mechanical strength
Drop increases the risk of broken needle delay.
It is " 2243268 Y of CN " application No. is " 95225718.1 ", Authorization Notice No., entitled " inner-rotary type bilayer group living
Knit puncture needle " Chinese utility model patent disclose a kind of puncture needle, be made of auger hair style needle core and hollow boring bit,
Needle core is equipped in hollow needle, the head of needle core is equipped with screw type bit, drawing liquid hole is equipped in spiral drill flute, and needle core is hollow
Lower to communicate with spiral goove, there are 3~7 circle spiral gooves on the head of the needle core.In use, needle core is packed into hollow needle, keep its close
Non-loosening is sealed, drill bit cutting edge of a knife or a sword mouth is Chong Die with syringe needle sealing concordantly consistent, and needle core wide-mouth mark and syringe needle the snap ring mark that heals up are consistent, right
Quasi- syringe needle, needle core seal near point, adjust pre- depth of needle and are pierced into affected part, are rotated clockwise the circle of needle core drill bit 2~4 and extract needle
Core takes in drill bit spiral goove and stays object can biopsy.The defect of this utility model patent is: auger hair style needle core is head
There is the needle core of 3~7 circle spiral gooves, and the spiral goove is located on the outside of needle core wall, only passes through the hollow boring bit with inner wall smooth
Cooperation could use, and the tissue of acquisition is few, and damage to the overall structure of sample larger.
Summary of the invention
Simple, extraction cell specimen structure that it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of structures
And form retain it is complete, with higher cell residue amount and meet the needle for fine needle aspiration biopsy of later period cell smear requirement
Head.
In order to achieve the above object, the present invention provides a kind of syringe needle, the inner needle wall is concavo-convex matte knot
Structure.According to force of sliding friction formula: F=μ * Fn, the size of force of sliding friction between object pressure size and contact surface it is thick
Rough degree is related, and contact surface is more coarse between object, and frictional force is bigger, when inner needle wall is concavo-convex matte structure, rubs
It wipes power to increase, cell is also more in the residual quantity of inner needle wall.
Preferably, the inner needle wall is equipped with the groove structure of strip, and the groove structure is axial along the syringe needle
Arrangement, when inner needle wall be the groove structure when, pathological tissues puncture needle head by it is multidirectional mention insert and rotation while,
It, which moves to receive, hinders and is directed in groove structure；The groove structure of inner needle wall makes inner needle wall is with higher to rub
It wipes power to compare with the syringe needle of smooth inner wall, enough sick cells can be drawn to.
Preferably, the groove structure axially extends to inner needle wall both ends, and groove structure can be obtained when extracting
Higher cell residue amount, and during carrying out clean to syringe needle, the cleaning of syringe needle is nor affected on, original syringe needle is used
Cleaning device, which still can achieve cleaning, has the effect of groove structure inner wall syringe needle.
Preferably, the length of the groove structure is 1/4,1/2 or the 2/3 of the syringe needle axial length, in flushing needle
Residual cell is for when making cell smear, groove structure flushing conveniently, can to obtain high cell quantity and needle after flushing in head
Head inner cell residual quantity keeps lower.
Preferably, the inner needle wall is equipped with the bulge-structure of strip, and the bulge-structure is axial along the syringe needle
Arrangement, when inner needle wall be the bulge-structure when, pathological tissues puncture needle head by it is multidirectional mention insert and rotation while,
It, which moves to receive, hinders and is directed at bulge-structure；The bulge-structure of inner needle wall makes inner needle wall is with higher to rub
It wipes power to compare with the syringe needle of smooth inner wall, enough sick cells can be drawn to.
Preferably, the bulge-structure axially extends to inner needle wall both ends, and bulge-structure can be obtained when extracting
Higher cell residue amount, and during carrying out clean to syringe needle, the cleaning of syringe needle is nor affected on, original syringe needle is used
Cleaning device, which still can achieve cleaning, has the effect of bulge-structure inner wall syringe needle.
Preferably, the length of the bulge-structure is 1/4,1/2 or the 2/3 of the syringe needle axial length, in flushing needle
Residual cell is for when making cell smear, bulge-structure flushing conveniently, can to obtain high cell quantity and needle after flushing in head
Head inner cell residual quantity keeps lower.
Preferably, the item number of the groove structure or bulge-structure is 6,8 or 12.
Preferably, the groove structure or bulge-structure work as inner needle wall along inner needle wall structural arrangement in the shape of a spiral
Groove structure or bulge-structure be the helical arrangement when, pathological tissues are rotated along thread-like structure and are attached to spiral shell
At line structure；The helical arrangement structure of groove structure or bulge-structure makes inner needle wall frictional force with higher and smooth
The syringe needle of inner wall is compared, and enough sick cells can be drawn to.
Preferably, a kind of puncture outfit with the syringe needle, including syringe needle, needle tubing and pintle, the puncture outfit also wrap
Card and rubber plug are included, wherein the incline of the pintle is equipped with notch；
The card is equipped with through-hole and plate washer, and plate washer is symmetrically arranged on card；
The card is set between needle tubing and pintle by through-hole, and the plate washer and notch of card, which cooperate, to be connected；
The rubber plug is arranged syringe needle.Two of the pintle can be three to 3 groups of notches, notch is symmetrically laid on incline
Angular structure rotates card after pull pintle, so that plate washer correspondence is connected to indentation, there, for operator, does not need to use hand
Pintle is persistently pulled, the vacuum magnitude in needle tubing can be effectively controlled under the cooperation of plate washer and notch positioning, make needle tubing
Interior holding is sufficient and lasting negative pressure, and to be drawn to enough sick cells, shorten operator inhales position with force and needle
Distance, be conducive to that satisfied smear is made and judge lesion nature；Rubber plug on syringe needle is capable of fixing paracentesis depth, when to syringe needle
Carry out it is multi-direction mention when inserting rotation, avoid because puncture it is too deep or excessively shallow due to damage surrounding organ or tissue.
The invention has the advantages that changing the structure of inner needle wall, positioned down through B ultrasound, the syringe needle of puncture needle enters
Tumor position, the concavo-convex matte structure of inner needle wall make syringe needle have lateral shear in slotting and rotary course through multi-direction mention
Power, when withdraw of the needle, can improve the residual rate of inner needle wall suction of cells, be drawn to enough sick cells, in addition to sick cell from
Root carries out detachment, it is completely aspirated；For operator, do not need to continue drawing pintle, bearing in needle tubing with hand-held
Pressure size can be effectively controlled under the cooperation of plate washer and notch positioning, improve and extract success rate, be conducive to that satisfaction is made
Smear and judge lesion nature.
Detailed description of the invention
Fig. 1 is an exemplary structure schematic diagram of the invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is another exemplary structural schematic diagram of the invention；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is another exemplary structure schematic diagram of the invention；
Fig. 6 is the right view of Fig. 5；
Fig. 7 is the structural schematic diagram of puncture outfit in the present invention；
Fig. 8 is the structural schematic diagram of curtate in the present invention.
Wherein:
1- syringe needle 2- groove structure 3- bulge-structure
4- helicoidal structure 5- needle tubing 6- pintle
61- notch 7- card 71- through-hole
72- plate washer 8- rubber plug
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1:
A kind of syringe needle as shown in Fig. 1~2, the inner wall of the syringe needle 1 are concavo-convex matte structure, specially strip
Groove structure 2, the item number of groove structure 2 is 6, the groove structure 2 along the syringe needle 1 axial alignment and extend to needle
First 1 inner wall both ends.
When 1 inner wall of syringe needle is the groove structure 2, pathological tissues are inserted and are rotated by multidirectional mention in puncture needle head 1
While, movement, which receives, to be hindered and is directed in groove structure 2；The groove structure 2 of 1 inner wall of syringe needle makes 1 inner wall of syringe needle
Frictional force with higher is compared with the syringe needle of smooth inner wall, can be drawn to enough sick cells.
Groove structure 2 can obtain higher cell residue amount when extracting, and carry out clean process to syringe needle 1
In, the cleaning of syringe needle 1 is nor affected on, still can achieve cleaning using original syringe needle cleaning device is had in groove structure 2
The effect of wall syringe needle.
Embodiment 2:
A kind of syringe needle as shown in figs. 34, the inner wall of the syringe needle 1 are concavo-convex matte structure, specially strip
Bulge-structure 3, the item number of bulge-structure 3 is 6, the bulge-structure 3 along the syringe needle 1 axial alignment and extend to needle
First 1 inner wall both ends.
When 1 inner wall of syringe needle is the bulge-structure 3, pathological tissues are inserted and are rotated by multidirectional mention in puncture needle head 1
While, movement, which receives, to be hindered and is directed at bulge-structure 3；The bulge-structure of 1 inner wall of syringe needle has 3 inner needle walls
There is higher frictional force to compare with the syringe needle of smooth inner wall, enough sick cells can be drawn to.
Bulge-structure 3 can obtain higher cell residue amount when extracting, and carry out clean process to syringe needle 1
In, the cleaning of syringe needle 1 is nor affected on, still can achieve cleaning using original syringe needle cleaning device is had in bulge-structure 3
The effect of wall syringe needle.
Embodiment 3:
A kind of syringe needle as shown in Fig. 5~6, the inner wall of the syringe needle 1 are concavo-convex matte structure, specially strip
, along 1 inner wall of syringe needle in the shape of a spiral structure 4 arrange groove structure 2 or bulge-structure 3, the helicoidal structure 4 is along the needle
First 1 axial alignment simultaneously extends to 1 inner wall both ends of syringe needle.
When the groove structure 2 of 1 inner wall of syringe needle or bulge-structure 3 are that the helicoidal structure 4 arranges, pathological tissues are along spiral shell
Striated structure is rotated and is attached at helicitic texture；The arrangement of the helicoidal structure 4 of groove structure 2 or bulge-structure 3 makes needle
First 1 inner wall frictional force with higher is compared with the syringe needle of smooth inner wall, and simple rotation, which mentions inserting, can extract enough diseases
Attenuate born of the same parents.
Embodiment 4:
A kind of puncture outfit for fine needle aspiration biopsy as shown in Fig. 7~8, including syringe needle 1, needle tubing 5, pintle 6, card
7 and rubber plug 8.
1 inner wall of syringe needle is concavo-convex matte structure, can be the groove structure equipped with strip on the inner wall of the syringe needle 1
2, it is also possible to the bulge-structure 3 of strip.The groove structure 2 or bulge-structure 3 can axially extend to 1 inner wall two of syringe needle
End, is also possible to account for 1/4,1/2 or the 2/3 of 1 axial length of syringe needle.The groove structure 2 or bulge-structure 3 can be with
Along 1 inner wall of syringe needle, structure 4 is arranged in the shape of a spiral.The structure design of 1 inner wall of syringe needle makes it have higher frictional force and light
The syringe needle of sliding inner wall is compared, and enough sick cells can be extracted.
The incline of pintle 6 is equipped with notch 61, and notch 61 is triangular structure, and the notch 61 is symmetrically laid in pintle 6
Two on incline, preferably 3 groups；
The card 7 is equipped with through-hole 71 and plate washer 72, and plate washer 72 is symmetrically arranged on card 7；
The card 7 is set between needle tubing 5 and pintle 6 by through-hole 71, the 61 phase interworking of plate washer 72 and notch of card 7
Close connection；
The rubber plug 8 is arranged syringe needle 1.
After syringe needle 1, which punctures, enters lump, pathological tissues are inserted and are rotated by multidirectional mention in puncture needle head 1, movement
It receives and hinders and be directed at concavo-convex matte structure, and after extracting syringe needle 1, inner wall can obtain higher
Cell residue amount.During carrying out clean to syringe needle 1, the cleaning of syringe needle 1 is nor affected on, uses original syringe needle sanitizer cartridge
It sets and still can achieve the effect for cleaning this syringe needle 1.Rubber plug 8 on syringe needle 1 is capable of fixing paracentesis depth, more when carrying out to syringe needle 1
Direction mentions when inserting rotation, avoid because puncture it is too deep or excessively shallow due to damage surrounding organ or tissue.
It no longer needs to make shelves by rotating card 7 with hand-held continuous drawing pintle 6 for operator, when needing to position
Plate 72 is connected at notch 61, and the accurate fit of plate washer 72 and notch 61 makes the vacuum magnitude in needle tubing 5 be effectively controlled, needle
Sufficient and lasting negative pressure is kept in pipe 5 to extract enough sick cells, shorten operator with force and needle suction portion
The distance of position, is conducive to that satisfied smear is made and judges lesion nature.
The preferred embodiment of the present invention has been described in detail above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various etc. on the premise of not violating the inventive spirit of the present invention
Same variation or replacement, these equivalent modifications or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of syringe needle, it is characterised in that: syringe needle (1) inner wall is concavo-convex matte structure；In the syringe needle (1)
Wall is equipped with the groove structure (2) or bulge-structure (3) of strip, and the groove structure (2) or bulge-structure (3) are along the syringe needle
(1) axial alignment；The groove structure (2) or bulge-structure (3) is uniform or generally uniform point in the syringe needle (1) circumferential direction
Cloth and in relative position in symmetrical or substantially symmetric.
2. a kind of syringe needle according to claim 1, it is characterised in that: the groove structure (2) axially extends to syringe needle
(1) inner wall both ends.
3. a kind of syringe needle according to claim 1, it is characterised in that: the length of the groove structure (2) is the needle
1/4,1/2 or the 2/3 of head (1) axial length.
4. a kind of syringe needle according to claim 1, it is characterised in that: the bulge-structure (3) axially extends to syringe needle
(1) inner wall both ends.
5. a kind of syringe needle according to claim 1, it is characterised in that: the length of the bulge-structure (3) is the needle
1/4,1/2 or the 2/3 of head (1) axial length.
6. a kind of syringe needle according to any one of claims 1 to 5, it is characterised in that: the groove structure (2) or protrusion knot
The item number of structure (3) is 6,8 or 12.
7. a kind of puncture outfit with syringe needle described in claim 1, including syringe needle (1), needle tubing (5) and pintle (6), feature exists
In: the puncture outfit further includes card (7) and rubber plug (8), wherein the incline of the pintle (6) is equipped with notch (61)；
The card (7) is equipped with through-hole (71) and plate washer (72)；
The card (7) is set between needle tubing (5) and pintle (6) by through-hole (71), the plate washer (72) and notch of card (7)
(61) cooperate connection；
The rubber plug (8) is arranged syringe needle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582246.4A CN105615928B (en) | 2014-10-27 | 2014-10-27 | A kind of syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582246.4A CN105615928B (en) | 2014-10-27 | 2014-10-27 | A kind of syringe needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105615928A CN105615928A (en) | 2016-06-01 |
| CN105615928B true CN105615928B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410582246.4A Expired - Fee Related CN105615928B (en) | 2014-10-27 | 2014-10-27 | A kind of syringe needle |
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| Country | Link |
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| CN (1) | CN105615928B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638554B (en) * | 2019-08-21 | 2021-02-05 | 中国人民解放军总医院 | PDX model tumor body quantitative transplantation inoculation needle assembly |
| CN113304353B (en) * | 2020-08-18 | 2023-01-10 | 深圳市立心科学有限公司 | Syringe with spiral shearing mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060229554A1 (en) * | 2005-03-28 | 2006-10-12 | Intai Technology Corp. | Mechanism for tilting retractable needle |
| CN101018507A (en) * | 2004-09-14 | 2007-08-15 | 奥林巴斯株式会社 | Living-tissue sampling instrument, endoscope system and method of sampling living tissues |
| CN101879079A (en) * | 2010-06-30 | 2010-11-10 | 中国人民解放军第三军医大学第一附属医院 | Biopsy needle |
| CN203315009U (en) * | 2013-06-28 | 2013-12-04 | 十堰市太和医院 | Marrow fluid quantitative extraction device for hematology |
-
2014
- 2014-10-27 CN CN201410582246.4A patent/CN105615928B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018507A (en) * | 2004-09-14 | 2007-08-15 | 奥林巴斯株式会社 | Living-tissue sampling instrument, endoscope system and method of sampling living tissues |
| US20060229554A1 (en) * | 2005-03-28 | 2006-10-12 | Intai Technology Corp. | Mechanism for tilting retractable needle |
| CN101879079A (en) * | 2010-06-30 | 2010-11-10 | 中国人民解放军第三军医大学第一附属医院 | Biopsy needle |
| CN203315009U (en) * | 2013-06-28 | 2013-12-04 | 十堰市太和医院 | Marrow fluid quantitative extraction device for hematology |
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| CN105615928A (en) | 2016-06-01 |
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