CN105212971B - Thyroid needle injects suction device - Google Patents

Thyroid needle injects suction device Download PDF

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Publication number
CN105212971B
CN105212971B CN201510646487.5A CN201510646487A CN105212971B CN 105212971 B CN105212971 B CN 105212971B CN 201510646487 A CN201510646487 A CN 201510646487A CN 105212971 B CN105212971 B CN 105212971B
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China
Prior art keywords
needle
block
injection
needle tubing
limit block
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CN105212971A (en
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张�浩
刘胜
陈森林
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NO 411 HOSPITAL OF PLA
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NO 411 HOSPITAL OF PLA
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Abstract

The present invention relates to a kind of thyroid needle to inject suction device, including needle tubing and the needle body installed in needle tubing front end, has injection canal and vacuum suction passage in described needle tubing, described injection canal and vacuum suction passage connect with the passage in needle body;Piston, piston tail end connection push handle are provided with described injection canal, the entrance of injection canal is provided with check valve;There is valve block on described vacuum suction passage, there is the through hole communicated with vacuum suction passage in needle wall, button, button control valve block the sliding up and down in through hole are connected on valve block.Beneficial effects of the present invention can realize injection and the behavior attracted on a needle tubing, and little, simple operations after making puncture in place are influenceed on tip position, and the operation that avoids changing hands causes needle point injection point skew and to be damaged by mistake caused by shifting.

Description

Thyroid needle injects suction device
Technical field
The present invention relates to medical instruments field, more particularly to a kind of thyroid nodule pathological diagnosis and the puncture of ablation And suction device.
Background technology
When thyroid nodule and tumour, it is necessary to puncture acquisition Pathologic specimen to thyroid nodule using puncture needle and examine It is disconnected, or cyst fluid extraction is treated, therefore Thyroid puncture needle is an important Medical Devices.Under normal conditions, cure Shield personnel first use B ultrasound Conducted Puncture, and puncture needs operation completion injection of changing hands, it is auxiliary to use attraction instead after the completion of injection afterwards in place Device is helped to extract cyst fluid, because three kinds of equipment need to be used alternatingly so that operation accuracy declines and easily injection point occur inclined Shifting and Accessory injury.
Patent No. " CN104665896 A ", Application No. " 201310613703.7 ", entitled " wear by a kind of thyroid gland A kind of device of the disclosure of the invention of thorn device ", including front are connected with the syringe of needle body, and nook closing member is provided with the needle body, There is check valve at injector inlet, have push handle in syringe, syringe side is installed with the negative tube with piston, with respect to one Side is provided with liquid storage bottle, and liquid storage bottle is by catheter with being connected inside syringe.Invention disclosed is by negative pressure suction device and wears Thorn device combination has reached the effect of extraction cyst fluid after injecting fluid.But the vacuum suction pipeline of the invention is arranged on by syringe needle Side, very big sense of discomfort is brought to patient when puncturing, while puncture needle shift position is may require that when attracting, brought to diagnosis It is unfavorable.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of combination puncture injection and the first of vacuum suction Shape gland puncture injects suction device, punctures the operation that need not change hands afterwards in place, and injection is completed by the button of device front end, must Aid in completing to attract by negative pressure system when wanting, reduce operation by human hand, reduce the skew of needle point deviation post.
To achieve the above object of the invention, there is provided a kind of thyroid needle injects suction device, including needle tubing and is arranged on The needle body of needle tubing front end, it is characterised in that:There are injection canal and vacuum suction passage, described injection canal in described needle tubing Connected with vacuum suction passage with the passage in needle body;Piston is provided with described injection canal, piston tail end connects push handle, The entrance of injection canal is provided with check valve;There is valve block on described vacuum suction passage, have in needle wall and vacuum suction The through hole that passage communicates, button, button control valve block the sliding up and down in through hole are connected on valve block.
Two passages are set in needle tubing, and injection canal connects with needle body internal channel jointly with vacuum suction passage, makes pin It is excessive that core is unlikely to diameter, excessive pain will not be caused to patient during puncture, and may not necessarily be extracted after puncture and injection Cyst fluid attraction or mobile puncture needle position can be carried out by changing suction device, second, directly being punctured, vacuum suction passage Middle setting valve, and by pressing button control valve opening or closure vacuum suction passage, it is convenient to facilitate, and can reach note Penetrate-attract the purpose being repeated.
The button of control valve is conventional mechanical structure, it is preferred that described button includes upper runner and lower runner;Institute Stating the lower periphery of runner has helical teeth, and there is slot side, and the top peripheral of the lower runner has helical teeth, and there is guide rail side;Under Runner bottom connection valve block, connecting spring between valve block and lower runner.
Negative pressure device is connected on vacuum suction passage, continues outwards to attract.Work of the helical teeth of two runner peripheries in axle power Relative tendency toward sliding occurs with lower, so as to the trend of producing relative rotation, with runner in hand pressing under runner effect along runner The guide rail at lower runner shifting occurs to bottom offset for vertical rail on axial direction, and there occurs to moving down relative to upper runner for lower runner Dynamic, the valve block being connected with lower runner moves down closure vacuum suction passage, attracts to close stopping.Continue to press runner, on Runner is rotated further an angle, and guide rail and can is penetrated in slot again so that lower runner rises a section and moved so that with lower turn The valve of wheel connection is moved up, and attraction channel is circulated, and suction device is opened.Spring plays reset response wherein.And by In helical teeth angle problem, can produce locking phenomenon can only rotate to side.
It is described it is upward, to bottom offset be relative to upper runner, lower runner axial location for.
Described button can also be including briquetting, left limit block and right limit block, left limit block and right limit block side There is a V-arrangement inclined-plane, against the upper inclined surface of left limit block and right limit block, the valve block top bevel supports the briquetting bottom bevel Keep left the lower bevel of limited block and right limit block, described left limit block and right limit block connecting spring.
When briquetting presses down on, influenceed by inclined-plane, left limit block is moved to the left, and right limit block moves right, and valve block is downward The mobile vacuum suction passage that blocks is allowed to close, and left limit block and right limit block both sides set spring to make against side wall in spring Under, promote left limit block and right limit block to be drawn close to centre, move up valve block, promote vacuum suction passage to dredge.
Preferably, described button is located at the front end of needle tubing.The convenient control singlehanded in injection of button positioned at front end, no It must shift.
A controlling organization is set to control the promotion of piston on needle tubing, such piston does not have to by being promoted in tail end to move It is dynamic.Controlling organization has two kinds of preferred embodiments.
Its one kind is that have slideway on needle tubing, sliding part is provided with slideway, the sliding part is slippingly in slideway; There is the interface connected with slideway injection canal rear end, and sliding part is connected by interface with push handle;There is a shifting part on needle tubing, stir Part is extended into slideway and is connected with sliding part, and rotating shifting part can be such that sliding part band piston is slid in injection canal.
Preferably, described shifting part is located at the front end of needle tubing.
Preferably, described shifting part is screw rod, and described sliding part is rack, and screw rod engages connection with rack.
Described push handle has a neck, winding spring in push handle;Described needle tubing side wall has the groove of close infusion channel, transfusion There is the chute with sidewall channels insertion on passage, block is placed in chute;The block connects connecting rod, and connecting rod axis is fixed on side wall On groove, for the connection of the connecting rod other end by compressing switch, pressing switchs bottom against spring.
Preferably, it is described to be located at needle tubing front end by compressing switch.
The thyroid needle injection suction device of the present invention, is led to by opening injection canal and vacuum suction on needle tubing Road, injection canal is set to be connected with vacuum suction passage, liquid can also be attracted by having reached sting device and can not only injecting, in order to Ensure two passages will not alter it is logical employ two valves, one is entrance in injection canal, i.e., is connected with needle body passage Part is provided with check valve, ensures that injection can only be injected liquid into unidirectionally, without reverse flow;Another is in vacuum suction Increase valve block in passage, vacuum suction passage connection negative pressure device, negative pressure device in the on state whether with needle body passage Shift position of the connection depending on valve block, the shift position is by button control.By this structure, thyroid needle injection attracts The needle body of device can reach injection and two purposes of attraction simultaneously and needle body diameter will not change.It is further to set piston to push away Dynamic device, increase shifting part, slide section, the annexation of piston, and by limiting the position of shifting part and button, by its cloth Put in the front end that finger easily touches so that medical personnel's finger in operation be not required to significantly mobile i.e. operable injection with The action of attraction, and dilution, the action for attracting cyst fluid, diluting again can be injected repeatedly.
Beneficial effects of the present invention can realize injection and the behavior attracted on a needle tubing, and nook closing member suitable size does not increase Puncture pain, simple operations after puncturing in place, the operation that avoids changing hands cause needle point shift caused by injection point offset, while can enter Row attraction acts, and avoids puncturing increase bleeding and Accessory injury risk repeatedly, and can be repeated in one-time puncture injection dilution, Attract the action of cyst fluid.
Brief description of the drawings
Fig. 1 is that the thyroid needle of the present invention injects the sectional view of suction device;
Fig. 2 is A-A sectional views in Fig. 1;
Fig. 3 is the sectional view for another embodiment that thyroid needle of the present invention injects suction device;
Wherein:
1- syringe needle 2- needle tubing 201- infusion channels
202- vacuum suction passage 203- slideway 3- pistons
301- push handle 302- spring 4- sliding parts
5- check valve 6- shifting part 7- valve blocks
Runner under runner 802- on 8- buttons 801-
803- briquetting 804- left limit block 805- right limit blocks
9- blocks 10- connecting rods 11- is by compressing switch
12- suction devices
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1:
A kind of thyroid needle injection suction device according to Fig. 1, Fig. 2, including needle body 1 and needle tubing 2, described pin There are injection canal 201 and vacuum suction passage 202 and slideway 203 on pipe 2.Described injection canal 201 is used for store injection liquid, Piston 3, the tail end of piston 3 connection push handle 301 are set in injection canal 201.Slideway 203 leads to close to injection canal 201, and in injection There is orifice the rear end of road 201 with slideway 203, installs sliding part 4 in slideway 203, the sliding part 4 is rack, and rack passes through Interface is connected with push handle 301, is moved by sliding part 4 in slideway 203, can be moved push handle 301, so as to piston 3 It is mobile, release parenteral solution.There is check valve 5 in the entrance of injection canal 201, described entrance refers to front end and the pin of needle tubing The passage connectivity part of body 1.There is shifting part 6 on tube wall, shifting part 6 is located in the groove of tube wall, and tube wall groove connects with slideway 203, makes Shifting part 6 connects with sliding part 4, and described shifting part 6 is screw rod, and screw rod and rack engagement connection, main shaft are fixed on tube wall groove On, by fluctuating screw rod, move rack, so as to promote piston.Vacuum suction passage 202 connects negative pressure device, for attracting Lump, there is through hole to be connected with vacuum suction passage 202 on needle tubing 2, valve block 7 is set in through hole, and valve block 7 can slide along through hole, institute State settings button 8 on valve block 7.Button 8, which includes button, includes upper runner 801 and lower runner 802;The bottom of the upper runner 801 Helical teeth is with outside, there is slot side, and the top peripheral of the lower runner 802 has helical teeth, and there is guide rail side;The lower bottom of runner 802 Connection valve block 7, connecting spring between valve block 7 and lower runner 802.Negative pressure device is connected on vacuum suction passage 202, is continued outwards Attract.Relative tendency toward sliding occurs in the presence of axle power for the helical teeth of two runner peripheries, so as to the trend of producing relative rotation, with Runner to occur to lead at the lower shifting of runner 802 to bottom offset along the upward vertical rail of runner shaft under runner effect in hand pressing Rail, lower runner 802 are moved down relative to upper runner 801, and the valve block 7 being connected with lower runner moves down closure negative pressure Attraction channel 202, attract to close stopping.Continue to press runner 801, upper runner 801 is rotated further an angle, guide rail and can Again penetrating in slot so that lower runner 802 rises a section and moved so that the valve 7 being connected with lower runner 802 moves up, Attraction channel 202 is set to circulate, suction device is opened.Spring plays reset response wherein.And due to helical teeth angle problem, it can produce Raw locking phenomenon can only rotate to side.
Two passages are set in needle tubing, and injection canal 201 and vacuum suction passage 202 connect with needle body internal channel jointly It is logical, nook closing member is unlikely to diameter excessive, excessive pain will not be caused to patient during puncture, and may not necessarily be extracted after transfusion Change suction device and carry out tumour attraction or mobile puncture needle position, second, directly being punctured, set in vacuum suction passage 202 Put valve block 7, and by pressing the control valve closure or openness vacuum suction passage of button 8, it is convenient to facilitate, can reach injection- Attract the purpose being repeated.
Embodiment 2:
A kind of thyroid needle injection suction device as shown in Figure 3, remaining is with embodiment 1, in vacuum suction passage 22 Valve block 7 is set, and valve block 7 connects button 8.Button 8 includes briquetting 803, left limit block 804 and right limit block 805, under briquetting 803 There is inclined-plane in portion, and inclined-plane is arranged at the top of valve block 7, and left limit block 804 and right limit block 805 have V-arrangement inclined-plane.The bottom of briquetting 803 against Left limit block 804 and the inclined-plane on the top of right limit block 805, the top of valve block 7 is against under left limit block 804 and right limit block 805 Portion inclined-plane.When briquetting 803 presses down on, being influenceed by inclined-plane, left limit block 804 is moved to the left, and right limit block 805 moves right, Valve block 7 moves down blocking vacuum suction passage 202 and is allowed to close, and left limit block 804 and the both sides of right limit block 805 set spring Against side wall, under the action of the spring, promote left limit block 804 and right limit block 805 to be drawn close to centre, move up valve block 7, promote Vacuum suction passage 202 is dredged.
There is groove in the side wall of needle tubing 2, groove and infusion channel 201 are close, there is chute and needle tubing sidewall channels in infusion channel 201 Communicate, block 9 is located at sidewall channels inner barrier piston 3, and connecting rod 10 is connected on block, and the axis of connecting rod 10 is fixed in sidewall channels, even The connection of the other end of bar 10 is by compressing switch 11, by the 11 bottom connecting springs that compress switch, by compressing switch 11, connecting rod 10 and block 9 is formed Lever system, push down on by compressing switch 11, block 9 can be shunk back backward under leverage, the obstruction of piston 3 is disappeared, piston 3 Push ahead.The winding spring 302 of piston 3, act on lower piston 3 in spring 302 and press forward, there is row's stopper slot in push handle 301, Block is caught in stopper slot after replying position and hinders piston 3 to move again, can so control piston 3 will not primary feed, and It is that often 11 once can all promote the activity part of piston 3 by by compressing switch, with this effectively control transfusion.
The preferred embodiment to the invention is illustrated above, but the invention be not limited to it is described Embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the invention spirit Same modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (9)

1. a kind of thyroid needle injects suction device, including needle tubing (2) and the needle body (1) installed in needle tubing (2) front end, its It is characterised by:
There are injection canal (201) and vacuum suction passage (202) in described needle tubing (2), described injection canal (201) and negative Pressure attraction channel (202) connects with the passage in needle body (1);
Piston (3) is provided with described injection canal (201), piston (3) tail end connects push handle (301), injection canal (201) Entrance is provided with check valve (5);
There is valve block (7) on described vacuum suction passage (202), there is what is communicated with vacuum suction passage (202) on needle tubing (2) wall Through hole, button (8), button (8) control valve block (7) the sliding up and down in through hole are connected on valve block (7).
2. thyroid needle according to claim 1 injects suction device, it is characterised in that described button (8) includes Upper runner (801) and lower runner (802);The lower periphery of the upper runner (801) has a helical teeth, and there is a slot side, described lower turn The top peripheral of wheel (802) has helical teeth, and there is guide rail side;Lower runner (802) bottom connection valve block (7), valve block (7) and lower runner (802) connecting spring between.
3. thyroid needle according to claim 1 injects suction device, it is characterised in that described button (8) includes There is V-arrangement briquetting (803), left limit block (804) and right limit block (805), left limit block (804) and right limit block (805) side Inclined-plane, briquetting (803) bottom bevel are oblique against the upper inclined surface of left limit block (804) and the top of right limit block (805) Face, valve block (7) top bevel is against the lower bevel of left limit block (804) and the lower bevel of right limit block (805), institute The left limit block (804) and right limit block (805) connecting spring stated.
4. the thyroid needle injection suction device according to Claims 2 or 3, it is characterised in that described button (8) position In the front end of needle tubing (2).
5. thyroid needle according to claim 1 injects suction device, it is characterised in that needle tubing has slideway on (2) (203) sliding part (4), is provided with slideway (203), the sliding part (4) is slippingly in slideway (203);Injection canal (201) there is the interface connected with slideway (203) rear end, and sliding part (4) is connected by interface with push handle (301);Needle tubing has on (2) One shifting part (6), shifting part (6) are extended into slideway (203) and are connected with sliding part (4), and slip can be made by rotating shifting part (6) Portion (4) band piston (3) slides in injection canal (201).
6. thyroid needle according to claim 5 injects suction device, it is characterised in that described shifting part (6) position In the front end of needle tubing (2).
7. thyroid needle according to claim 5 injects suction device, it is characterised in that described shifting part (6) is Screw rod, described sliding part (4) are rack, and screw rod engages connection with rack.
8. thyroid needle according to claim 1 injects suction device, it is characterised in that described push handle (301) has Neck, winding spring (302) in push handle (301);Described needle tubing (2) side wall has the groove of close injection canal (201), and injection is led to There is the chute with the insertion of the groove of side wall on road (201), block (9) is placed in chute;Block (9) the connection connecting rod (10), even Bar (10) axis is fixed on the groove of side wall, and connecting rod (10) other end is connected by compress switch (11), and by compressing switch, (11) bottom is supported By spring.
9. thyroid needle according to claim 8 injects suction device, it is characterised in that described by compress switch (11) Positioned at needle tubing (2) front end.
CN201510646487.5A 2015-10-08 2015-10-08 Thyroid needle injects suction device Active CN105212971B (en)

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105476750B (en) * 2016-01-23 2017-12-08 吴和明 Auripuncture, Injection in Tympanic Cavity medical treatment device
CN107296646A (en) * 2016-01-23 2017-10-27 王翠兰 Auripuncture, Injection in Tympanic Cavity medical treatment device
CN105496644B (en) * 2016-01-23 2017-12-29 乐清市风杰电子科技有限公司 Auripuncture, Injection in Tympanic Cavity medical treatment device
CN107518982A (en) * 2016-01-23 2017-12-29 王翠兰 Auripuncture, Injection in Tympanic Cavity medical treatment device
CN106963427A (en) * 2017-05-04 2017-07-21 崔海燕 One kind is used for thyroid needle absorbing biopsy puncture device
CN110090046B (en) * 2019-04-10 2021-06-22 江苏省人民医院(南京医科大学第一附属医院) Improved thyroid puncture device
CN110037747B (en) * 2019-04-25 2020-06-26 高清华 Combination tool for thyroid puncture
CN110236785A (en) * 2019-07-15 2019-09-17 温州医科大学附属眼视光医院 A kind of negative pressure sucktion type intraocular lens instigation device
CN112336434A (en) * 2020-11-10 2021-02-09 徐树建 Thyroid cyst puncture suction device

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US9550025B2 (en) * 2010-03-25 2017-01-24 New Injection Systems Ltd. Injector
TR201006093A2 (en) * 2010-07-23 2012-02-21 Eren Orhan Aspiration incision biopsy needle.
CN201920858U (en) * 2011-01-26 2011-08-10 邓仰欣 Thyroid puncture needle
CN202589576U (en) * 2012-05-05 2012-12-12 宋丽 Thyroid gland puncture needle
CN205144615U (en) * 2015-10-08 2016-04-13 中国人民解放军第四一一医院 Thyroid gland puncture injection suction device

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