CN205181396U - Biopsy puncture needle - Google Patents
Biopsy puncture needle Download PDFInfo
- Publication number
- CN205181396U CN205181396U CN201521019475.1U CN201521019475U CN205181396U CN 205181396 U CN205181396 U CN 205181396U CN 201521019475 U CN201521019475 U CN 201521019475U CN 205181396 U CN205181396 U CN 205181396U
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- CN
- China
- Prior art keywords
- closing member
- nook closing
- puncture needle
- epitheca
- puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a biopsy puncture needle, include the nook closing member and set up the nook closing member handle in nook closing member one end the nook closing member outside be provided with elastic metal puncture needle elastic metal puncture needle one end be provided with the puncture syringe needle the overhead several puncture syringe needle hole that is provided with of pjncture needle the outside cover of elastic metal puncture needle the plastics epitheca is equipped with plastics epitheca one end be provided with the epitheca fixed part plastics epitheca one end inboard be provided with the flexible becket, elastic metal puncture needle outer wall joint be in the flexible becket inboard elastic metal puncture needle keep away from puncture syringe needle hole one end be provided with suction portion, the nook closing member run through suction portion, the nook closing member handle be close to nook closing member one end joint be in suction portion inboard. The utility model discloses can increase the quantity of acquireing the sample cell, have stable in structure, the adjustable characteristics of piercing depth.
Description
Technical field
This utility model relates to a kind of biopsy needle.
Background technology
Existing biopsy needle is when carrying out cell sampling, and the specimen amount obtained is fewer, impacts biopsy efficiency, and meanwhile, when carrying out biopsy operation, in piercing process, locking pin easily slips off, and affects work efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of biopsy needle, can improve prior art Problems existing, can increase the quantity obtaining sample cell, have Stability Analysis of Structures, the adjustable feature of paracentesis depth.
This utility model is achieved through the following technical solutions:
A kind of biopsy needle, comprise nook closing member and be arranged on the nook closing member hands handle of nook closing member one end, at the flexible metal puncture needle body of described nook closing member outer setting, described elastic metallic puncture needle body one end is provided with piercing needle, described piercing needle is provided with several puncture needle head bore, plastics epitheca is set with in described elastic metallic puncture needle external body, described plastics epitheca one end is provided with epitheca fixed part, flexible becket is provided with inside described plastics epitheca one end, the described external wall of elastic metallic puncture needle is connected to inside described flexible becket, at described elastic metallic puncture needle body, described puncture needle head bore one end is provided with suction section, described nook closing member runs through described suction section, described nook closing member handle is connected to inside described suction section near described nook closing member one end.
Further, for realizing this utility model better, push part is had away from described puncture needle head bore one end arranged outside at described elastic metallic puncture needle body, in described push part outer cover, adjusting portion is housed, described adjusting portion is connected with described epitheca fixed part, described push part comprises connection bump and is arranged on the litter of connection bump side, be sleeved on described connection bump outer wall in the middle part of described adjusting portion, described litter is positioned at described connection bump away from described puncture needle head bore side, at described litter, described connection bump side is provided with holding flange, described holding flange inwall is provided with several annular recess of arranging at equal intervals, the axis of described annular recess and described elastic metallic puncture the axes coincide of needle body, described adjusting portion is provided with away from described epitheca fixed part one end outer wall the slip preventing fringe matched with described annular recess.
Further, for realizing this utility model better, described litter outer wall is provided with graduation mark, the distance between adjacent described graduation mark equals the distance between adjacent described annular recess.
Further, for realizing this utility model better, protruding away from described holding flange one end outer wall being provided with the screw-like of arranging at equal intervals in described adjusting portion, described epitheca fixed part inwall is provided with corresponding annular retaining grooves protruding with described screw-like, and the distance between adjacent described screw-like projection equals the distance between adjacent described annular recess.
Further, for realizing this utility model better, in the middle part of described adjusting portion, outer wall is provided with rotary switch, described push part outer wall is provided with push part projection.
Further, for realizing this utility model better, described rotary switch outer wall is provided with anti-slip veins.
Further, for realizing this utility model better, inside described slip preventing fringe one end, being provided with fixed lobe in described adjusting portion, inside described fixed lobe, forming the sliding chamber that can hold litter and slide.
Further, for realizing this utility model better, at described nook closing member, described nook closing member handle one end is provided with nook closing member head end inclined-plane.
Further, for realizing this utility model better, described epitheca fixed part is 60-120cm near described flexible becket one end end face to the length of described elastic metallic puncture needle body end.
Further, for realizing this utility model better, the length of described flexible becket is 3cm.
This utility model compared with prior art, has following beneficial effect:
(1) this utility model is by arranging puncture needle head bore at piercing needle, can increase the quantity obtaining sample cell, improves sampling efficiency;
(2) this utility model is by adopting elastic metallic puncture needle body, conveniently can carry out sample sampling, increase suction section simultaneously at afterbody, utilize suction, increase the amount obtaining sample cell, by the puncture of different depth, the motility of puncture procedure can be increased simultaneously;
(3) this utility model is by adopting elastic metallic puncture needle body, and can be used in the puncture of various focus, may be used for the lymph node that punctures, also may be used for the puncture of bronchial wall and intracavity focus, compare existing puncture needle, the scope of application is more extensive.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of this utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is this utility model overall structure schematic diagram;
Fig. 2 is this utility model puncture and push part structural representation;
Fig. 3 is this utility model epitheca and standing part structural representation thereof;
Fig. 4 is this utility model nook closing member portion structural representation;
Fig. 5 is this utility model adjusting portion structural representation.
Wherein: 101. puncture needle head bore, 102. elastic metallic puncture needle bodies, 103. connection bumps, 104. annular recess, 105. push parts are protruding, 106. suction section, 107. litter, 108. flexible beckets, 109. plastics epithecas, 110. epitheca fixed parts, 111. annular retaining grooves, 112. nook closing member head end inclined-planes, 113. nook closing members, 114. nook closing member handles, 115. screw thread dresses are protruding, 116. rotary switchs, 117. slip preventing fringe, 118. fixed lobes, 119. sliding chambeies, 120. holding flanges, 121. adjusting portions.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
As Figure 1-5, a kind of biopsy needle, comprise nook closing member 113 and be arranged on the nook closing member handle 114 of nook closing member 113 one end, at the described flexible metal puncture needle body 102 of nook closing member 113 outer setting, described elastic metallic puncture needle body 102 one end is provided with piercing needle, described piercing needle is provided with several puncture needle head bore 101, in described elastic metallic puncture needle body 102 outer cover, plastics epitheca 109 is housed, described plastics epitheca 109 one end is provided with epitheca fixed part 110, flexible becket 108 is provided with inside described plastics epitheca 109 one end, described elastic metallic puncture needle body 102 outer wall is connected to inside described flexible becket 108, at described elastic metallic puncture needle body 102, described puncture needle head bore 101 one end is provided with suction section 106, described nook closing member 113 runs through described suction section 106, described nook closing member handle 114 is connected to inside described suction section 106 near described nook closing member 113 one end.
When sampling, the needle body 102 that punctured by elastic metallic stretches into position to be sampled, promote nook closing member 113 to stretch out from elastic metallic puncture needle body, puncture cell to be sampled, owing to being provided with puncture needle head bore 101 on elastic metallic puncture needle body 102 top, the sampling cell concentration of acquisition can be made to increase, due to employing is elastic metallic puncture needle body, depth selection can be increased, contribute to increasing quantity of sampling quantity, simultaneously, adopt elastic metallic puncture needle body structure, can be used in the specimen sampling operation of multiple focus, applied widely, owing to being provided with suction section in nook closing member one end, adopt the negative pressure that suction produces, make the sample cell of acquisition more, biopsy is facilitated to operate.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, conveniently sampling operation is carried out to the cell of different depth, in the present embodiment, preferably, push part is had away from described puncture needle head bore 101 one end arranged outside at described elastic metallic puncture needle body 102, in described push part outer cover, adjusting portion 121 is housed, described adjusting portion 121 is connected with described epitheca fixed part 110, described push part comprises connection bump 103 and is arranged on the litter 107 of connection bump 103 side, be sleeved on described connection bump 103 outer wall in the middle part of described adjusting portion 121, described litter 107 is positioned at described connection bump 103 away from described puncture needle head bore 101 side, at described litter 107, described connection bump 103 side is provided with holding flange 120, described holding flange 120 inwall is provided with several annular recess 104 of arranging at equal intervals, the axis of described annular recess 104 and described elastic metallic puncture the axes coincide of needle body 102, described adjusting portion 121 is provided with away from described epitheca fixed part 110 one end outer wall the slip preventing fringe 117 matched with described annular recess 104.When sampling, matched with slip preventing fringe 117 by annular recess 104, the paracentesis depth of elastic metallic puncture needle body can be adjusted, owing to adopting the annular recess of arranging at equal intervals in the present embodiment, elastic metallic puncture needle can be realized advance at equal intervals, handled easily personnel control advance distance, contribute to carrying out sampling operation, simultaneously, the effect of fixing elastic metallic puncture needle body can be played, it is made to carry out in sampling process, there will not be the phenomenon moved axially along litter, thus enable elastic metallic puncture needle body more stable when sampling, contribute to improving performance accuracy.In the present embodiment, epitheca fixed part and adjusting portion are interconnected, when advancing elastic metallic puncture needle body, epitheca fixed part can be made to there will not be relative movement, thus make structure more stable.Due to adjusting portion is sleeved on connection bump outside, can make in adjusting portion relative movement thereof, move along connection bump peripheral wall length direction, its movement locus is fixed, is not easy to occur unnecessary movement, contribute to the precision improving Biopsy, facilitate sampling operation, in the present embodiment, can by the relative position back and forth between adjustment slip preventing fringe 117 and annular recess, realization obtains the effect of better sample.
In the present embodiment, conveniently operator understand advance distance in time, preferably, be provided with the preferred structure that conveniently can control advance distance, described litter 107 outer wall is provided with graduation mark, and the distance between adjacent described graduation mark equals the distance between adjacent described annular recess 104.By arranging graduation mark structure, handled easily person can understand puncture advance distance in time, simultaneously, because the distance between adjacent annular groove is equidistant structure, when advancing puncture distance, advance distance can be understood according to the relative movement quantity between annular recess and slip preventing fringe, make more convenient to operate.In the present embodiment, preferably, adjacent graduation mark distance can be set to 0.5cm.
In the present embodiment, relatively be fixed in adjusting portion to make epitheca fixed part, preferably, the screw-like projection 115 of arranging at equal intervals is provided with away from described holding flange 120 one end outer wall in described adjusting portion 121, described epitheca fixed part 110 inwall is provided with the annular retaining grooves 111 corresponding with described screw-like projection 115, and the distance between adjacent described screw-like projection 115 equals the distance between adjacent described annular recess 104.By arranging screw-like projection and annular retaining grooves, the fixing of epitheca fixed part relative accommodation portion can be realized, making both fixing more firm, meanwhile, epitheca fixed part can be made can not to affect the position adjustments of adjusting portion, make structure more firm.In the present embodiment, the distance between adjacent described annular recess 104 is equaled by the distance between employing screw-like projection 115, can in the process of adjustment of carrying out advance distance, adjusting portion is moved relative to epitheca fixed part is equidistant, thus facilitate the adjustment of advance distance while ensureing structural stability.
Conveniently operate, in the present embodiment, preferably, in the middle part of described adjusting portion 121, outer wall is provided with rotary switch 116, described push part outer wall is provided with push part projection 105.By arranging said structure, the movement in regulating and controlling portion can being facilitated, also conveniently when advancing puncture distance, overall structure can be fixed, the convenient control to stability integrally-built in piercing process meanwhile.
Further preferably, conveniently to the control of rotary switch, in the present embodiment, described rotary switch 116 outer wall is provided with anti-slip veins.
In order to realize the restriction to litter position, in the present embodiment, preferably, inside described slip preventing fringe 117 one end, be provided with fixed lobe 118 in described adjusting portion 121, inside described fixed lobe 118, form the sliding chamber 119 that can hold litter 107 and slide.By arranging sliding cavity configuration, can make litter in sliding process, only can move along sliding cavity axis direction, thus can make in sampling process, elastic metallic puncture needle body structure is more stable, and the convenient precision improving sampling operation, improves sampling efficiency.
Embodiment 3:
The present embodiment, on the basis of embodiment 1, in order to improve puncture efficiency, preferably, is provided with nook closing member head end inclined-plane 112 at described nook closing member 113 away from described nook closing member handle 114 one end.By arranging nook closing member head end ramp structure, can conveniently puncture cell, resistance suffered when reducing to puncture, and effectively improves puncture sampling efficiency.
Conveniently carry out bronchoscope biopsy, in the present embodiment, preferably, described epitheca fixed part 110 is 60-120cm near described flexible becket 108 one end end face to the length of described elastic metallic puncture needle body 102 end.Compare the existing puncture needle that can be used in sampling, use length longer, the scope of application is wider.
Further preferably, in the present embodiment, the length of described flexible becket 108 is 3cm.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a biopsy needle, it is characterized in that: comprise nook closing member (113) and be arranged on the nook closing member handle (114) of nook closing member (113) one end, the flexible metal puncture needle body (102) of described nook closing member (113) outer setting, described elastic metallic puncture needle body (102) one end is provided with piercing needle, described piercing needle is provided with several puncture needle head bore (101), in described elastic metallic puncture needle body (102) outer cover, plastics epitheca (109) is housed, described plastics epitheca (109) one end is provided with epitheca fixed part (110), flexible becket (108) is provided with inside described plastics epitheca (109) one end, described elastic metallic puncture needle body (102) outer wall is connected to described flexible becket (108) inner side, at described elastic metallic puncture needle body (102), described puncture needle head bore (101) one end is provided with suction section (106), described nook closing member (113) runs through described suction section (106), described nook closing member handle (114) is connected to described suction section (106) inner side near described nook closing member (113) one end.
2. a kind of biopsy needle according to claim 1, it is characterized in that: have push part at described elastic metallic puncture needle body (102) away from described puncture needle head bore (101) one end arranged outside, in described push part outer cover, adjusting portion (121) is housed, described adjusting portion (121) is connected with described epitheca fixed part (110), described push part comprises connection bump (103) and is arranged on the litter (107) of connection bump (103) side, described adjusting portion (121) middle part is sleeved on described connection bump (103) outer wall, described litter (107) is positioned at described connection bump (103) away from described puncture needle head bore (101) side, at described litter (107), described connection bump (103) side is provided with holding flange (120), described holding flange (120) inwall is provided with several annular recess (104) of arranging at equal intervals, the axis of described annular recess (104) and described elastic metallic puncture the axes coincide of needle body (102), described adjusting portion (121) is provided with away from described epitheca fixed part (110) one end outer wall the slip preventing fringe (117) matched with described annular recess (104).
3. a kind of biopsy needle according to claim 2, it is characterized in that: on described litter (107) outer wall, be provided with graduation mark, the distance between adjacent described graduation mark equals the distance between adjacent described annular recess (104).
4. a kind of biopsy needle according to claim 2, it is characterized in that: be provided with the screw-like projection (115) of arranging at equal intervals in described adjusting portion (121) away from described holding flange (120) one end outer wall, described epitheca fixed part (110) inwall is provided with the annular retaining grooves (111) corresponding with described screw-like projection (115), and the distance between adjacent described screw-like projection (115) equals the distance between adjacent described annular recess (104).
5. a kind of biopsy needle according to claim 2, it is characterized in that: on the outer wall of described adjusting portion (121) middle part, be provided with rotary switch (116), described push part outer wall is provided with push part projection (105).
6. a kind of biopsy needle according to claim 5, is characterized in that: on described rotary switch (116) outer wall, be provided with anti-slip veins.
7. a kind of biopsy needle according to claim 2, it is characterized in that: inside described slip preventing fringe (117) one end, be provided with fixed lobe (118) in described adjusting portion (121), described fixed lobe (118) inner side forms the sliding chamber (119) that can hold litter (107) and slide.
8. a kind of biopsy needle according to claim 1, is characterized in that: at described nook closing member (113), described nook closing member handle (114) one end is provided with nook closing member head end inclined-plane (112).
9. a kind of biopsy needle according to claim 1, is characterized in that: described epitheca fixed part (110) is 60-120cm near described flexible becket (108) one end end face to the puncture length of needle body (102) end of described elastic metallic.
10. a kind of biopsy needle according to claim 9, is characterized in that: the length of described flexible becket (108) is 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019475.1U CN205181396U (en) | 2015-12-11 | 2015-12-11 | Biopsy puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019475.1U CN205181396U (en) | 2015-12-11 | 2015-12-11 | Biopsy puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205181396U true CN205181396U (en) | 2016-04-27 |
Family
ID=55774443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521019475.1U Expired - Fee Related CN205181396U (en) | 2015-12-11 | 2015-12-11 | Biopsy puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205181396U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411631B (en) * | 2015-12-11 | 2018-04-10 | 孙勇 | A kind of biopsy needle |
| CN108814687A (en) * | 2018-04-27 | 2018-11-16 | 河南中医药大学 | A kind of pathological examination cell puncture needle |
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Puncture needle component and balloon catheter kit |
-
2015
- 2015-12-11 CN CN201521019475.1U patent/CN205181396U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411631B (en) * | 2015-12-11 | 2018-04-10 | 孙勇 | A kind of biopsy needle |
| CN108814687A (en) * | 2018-04-27 | 2018-11-16 | 河南中医药大学 | A kind of pathological examination cell puncture needle |
| CN108814687B (en) * | 2018-04-27 | 2021-03-09 | 河南中医药大学 | Cell puncture needle for pathology examination |
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Puncture needle component and balloon catheter kit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20181211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |