CN209172364U - Skin biopsy needle - Google Patents
Skin biopsy needle Download PDFInfo
- Publication number
- CN209172364U CN209172364U CN201821329214.3U CN201821329214U CN209172364U CN 209172364 U CN209172364 U CN 209172364U CN 201821329214 U CN201821329214 U CN 201821329214U CN 209172364 U CN209172364 U CN 209172364U
- Authority
- CN
- China
- Prior art keywords
- needle
- mandril
- channel
- skin biopsy
- biopsy needle
- 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.)
- Active
Links
Abstract
The utility model relates to technical field of medical examination, disclose a kind of skin biopsy needle, and for being sampled to living body, including needle stand and the needle body being connected on needle stand, needle body is hollow to be formed with channel, and the head end of needle body is provided with the pin hole towards channel.Skin biopsy needle provided by the utility model can easily obtain living tissue.
Description
Technical field
The utility model relates to technical field of medical examination, in particular to a kind of skin biopsy needle.
Background technique
Biopsy (biopsy), abbreviation biopsy refer to and remove a small amount of living tissue malingering from animals or humans
A kind of inspection method of Neo-Confucianism diagnosis.
After being sliced, tissue fragment can be sent to pathology laboratory.It can be by specially diagnose the illness (such as cancer)
Virologist checked with microscope.After laboratory receives slice, tissue can be handled, by removing very thin group on slice
It knits, and is attached on glass slide.Remaining tissue, which can retain, does subsequent research.If necessary, tissue, meeting can be handled by dyestuff
Specific cell can be become apparent from, to facilitate observation.Glass slide can give virologist later, check under the microscope, see
The situation for whether having other abnormal, virologist can make report later, list exception or part and parcel in tissue fragment,
The doctor for carrying out tissue fragment is given in public lecture later.
Biopsy is significant to the clinical diagnosis of tumour, can not only determine its tissue typing, generation and state of development,
It may further determine that its is benign or malignant, provide foundation for treatment.Whether biopsy may further be used to confirmation operation excision complete, be one to facing
Indispensable diagnostic tool on bed.
The sampling mode of biopsy has very much: take operation excision, introscope or puncture absorption using syringe needle etc., it is ok
Histotomy living is taken out from body.
Wherein, puncturing the needle being applied to when drawing is biopsy needle.Biopsy needle is a kind of medical instrument, is suitable for kidney
It is swollen to can be used for cone for a variety of organs such as dirty, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface
Cell is drawn in the living tissue sampling of tumor and unknown kind of tumour etc..The present invention relates to a kind of skin biopsy needles.
Utility model content
The purpose of this utility model is to provide a kind of skin biopsy needle, skin biopsy needle energy provided by the utility model
It is enough easily to obtain living tissue.
The utility model provides a kind of skin biopsy needle, for being sampled to living body, including needle stand and is connected to needle
Needle body on seat, needle body is hollow to be formed with channel, and the head end of needle body is provided with the pin hole towards channel.
In terms of existing technologies, the skin biopsy needle of this practicability is formed by channel using needle body is hollow, can
More easily obtain living tissue.
Preferably, the thickness on needle body close to pin hole side is less than the thickness on needle body far from pin hole side.Needle body
Nose thickness is relatively thin, and the sharpness of needle body can be improved, and convenient for operation, and reduces wound.
Preferably, pin hole is circle.Round pin hole has the wider scope of application.
Preferably, the side for forming the edge of pin hole extends away from the direction of needle body itself, blade is formed.Institute's shape
At blade convenient for taking tissue so that the operation of skin biopsy needle is more convenient.
In addition, preferably, skin biopsy needle further include: mandril.
The position of corresponding channel is provided with through-hole on needle stand, and mandril is passed through from through-hole and protruded into channel, also, mandril energy
Enough length directions along channel move.
Set mandril can help doctor more easily to take out the living tissue entered in channel.
Further, preferably, the venthole being connected with channel is provided on the side wall of needle body, when mandril protrudes into channel
Venthole can be covered.Set venthole can be used in keeping the pressure balance before the intracorporal channel of needle and outside, because
This can be convenient in tissue access channel.
Still further, tightening mechanism for fixing mandril relatively preferably, skin biopsy needle includes going back tightening mechanism
With the position of needle stand.It can prevent mandril from sliding using tightening mechanism.
Further, it preferably, tightening mechanism includes the internal screw thread being formed in the through-hole of needle stand, and is formed in
External screw thread on mandril, internal screw thread and external screw thread are mutually spirally connected with the position of relatively fixed mandril and needle stand.Set is inside and outside
Screw thread enables to mandril in designated position by tightening.
Further, preferably, mandril gos deep into channel, and mandril does not hide when internal screw thread and external screw thread are mutually spirally connected
Firmly venthole.
When fixing mandril using tightening mechanism, venthole is able to maintain the internal and external pressure balance in channel.It is pushed away into channel
The pressure in channel is capable of increasing when entering mandril then in order to which living tissue is discharged.
Preferably, being provided with external interface on needle stand.Set external interface can be used in and handle, air extractor
Equal external equipments connection, improves convenience.
In addition, the position on the inner wall in channel close to needle stand is formed with preferably, being provided with retainer on mandril
Blocking portion.By the cooperation of retainer and blocking portion, the movement of mandril is limited.
Further, preferably, further including the spring being set in channel, spring connects retainer and blocking portion.If
The step of capable of being adjusted and reducing using skin biopsy needle to the position of channel inner tissue after setting spring, improves and obtains tissue
Efficiency and convenience.
Preferably, the front end in mandril is additionally provided with sealing element.Setting sealing element can be formed preferably in channel
Negative pressure can more preferably obtain tissue.And by forming the preferable space of air-tightness, it can preferably take out tissue and reduce top
Contact between bar and tissue.
Detailed description of the invention
Fig. 1 .1 is the stereoscopic schematic diagram of the skin biopsy needle of the utility model first embodiment；
Fig. 1 .2 is the diagrammatic cross-section of the skin biopsy needle of the utility model first embodiment；
Fig. 2 is the stereoscopic schematic diagram of the utility model second embodiment skin biopsy needle；
Fig. 3 is the stereoscopic schematic diagram of the utility model third embodiment skin biopsy needle；
Fig. 4 is the stereoscopic schematic diagram of the 4th embodiment skin biopsy needle of the utility model；
Fig. 5 is the stereoscopic schematic diagram of the 5th embodiment skin biopsy needle of the utility model；
Fig. 6 is the stereoscopic schematic diagram of the utility model sixth embodiment skin biopsy needle；
Fig. 7 is the stereoscopic schematic diagram of the 7th embodiment skin biopsy needle of the utility model；
Fig. 8 is the stereoscopic schematic diagram of the 8th embodiment skin biopsy needle of the utility model；
Fig. 9 is the stereoscopic schematic diagram of the 9th embodiment skin biopsy needle of the utility model
Figure 10 is the stereoscopic schematic diagram of the tenth embodiment skin biopsy needle of the utility model.
Description of symbols:
1- needle stand；11- external interface；12- blocking portion；2- needle body；21- pin hole；22- blade；23- barb；24- ventilation
Hole；25- external screw thread；The channel 3-；4- mandril；41- handle；42- retainer；43- spring；44- sealing element.
Specific embodiment
With reference to the accompanying drawings of the specification, the utility model is described in further detail.It is schematically simple in attached drawing
Change shows the structure etc. of skin biopsy needle.
Embodiment one
The first embodiment of the utility model provides a kind of skin biopsy needle, for being sampled to living body, participates in
Shown in Fig. 1 and Fig. 2, including needle stand 1 and the needle body 2 being connected on needle stand 1, needle body 2 is hollow to be formed with channel 3, the head end of needle body 2
It is provided with the pin hole 21 towards channel 3.
Wherein, channel 3 can be as shown in Fig. 2, perforation needle stand 1, can also only penetrate through needle body 2, or even can also extend only through
A part on needle body 2 forms the construction of similar blind hole.
In some embodiments of the utility model, participate in shown in Fig. 1 .1, Fig. 1 .2, close to pin hole 21 1 on needle body 2
The thickness of side is less than the thickness on needle body 2 far from 21 side of pin hole.The nose thickness of needle body 2 is relatively thin, and the sharp of needle body 2 can be improved
Sharp degree convenient for operation, and reduces wound.And the thickness of 2 rear end of needle body it is thicker when can then increase the intensity of needle body 2, prevent from rolling over
It is disconnected.Certainly, the skin biopsy needle for not having such thickness change also still can be realized the technical purpose of the utility model.
In some embodiments of the utility model, pin hole 21 is circle.Round pin hole 21, which has, to be widely applicable in
Range.Certainly, the shape for changing pin hole 21 according to special sampling point is also still feasible.
By taking skin histology biopsy as an example.In biopsy sampling, following operation can be followed:
1, the epidermis for treating biopsy regions carries out disinfection processing；
2, the syringe needle of skin biopsy needle is pierced into skin, syringe needle will acquire dermal tissue；
3, it removes with organized skin biopsy needle, inspection.
In terms of existing technologies, the skin biopsy needle of this practicability is formed by channel 3, energy using needle body 2 is hollow
It is enough more easily to obtain living tissue.
Embodiment two
The second embodiment of the utility model provides a kind of skin biopsy needle, second embodiment and the first embodiment party
Formula is different, is in place of main difference, and in the first embodiment of the utility model, pin hole 21 is circle；And at this
It is shown in Figure 2 in the second embodiment of utility model, the side at the edge of pin hole 21 is formed away from needle body 2 itself
Direction extend, formed blade 22.
Blade 22 is formed by convenient for taking tissue, so that the operation of skin biopsy needle is more convenient.
Embodiment three
The third embodiment of the utility model provides a kind of skin biopsy needle, and third embodiment is the second embodiment party
The further improvement of formula, mainly thes improvement is that, shown in Figure 3 in the third embodiment of the utility model, in sword
Barb 23 is also formed in portion 22.
Taking-up tissue can be facilitated by being formed by barb 23.When lesser barb 23 is arranged, generated wound is also smaller.
Embodiment four
4th embodiment of the utility model provides a kind of skin biopsy needle, and the 4th embodiment is above-mentioned first
Into third embodiment, the further improvement of any one embodiment, is mainly theed improvement is that, the of the utility model
It is shown in Figure 4 in four embodiments, skin biopsy needle further include: mandril 4.
The position of corresponding channel 3 is provided with through-hole on needle stand 1, and mandril 4 is passed through from through-hole and protruded into channel 3, also, pushes up
Bar 4 can be moved along the length direction in channel 3.
Set mandril 4 can help doctor more easily to take out the living tissue entered in channel 3.In order to promote top
Handle 5 can also be arranged in the tail end of mandril 4 in the feel of bar 4.
Equally, by taking skin histology biopsy as an example.In biopsy sampling, following operation can be followed:
1, the epidermis for treating biopsy regions carries out disinfection processing；
2, mandril 4 is retracted, so that channel 3 is vacated；
3, the syringe needle of skin biopsy needle is pierced into skin, syringe needle will acquire dermal tissue；
4, it removes with organized skin biopsy needle, is pushed into mandril 4, tissue is ejected；
5, inspection is organized.
It is noted that mandril 4 can be also used for forming negative pressure in channel 3, preferably to obtain biopsy.
Embodiment five
5th embodiment of the utility model provides a kind of skin biopsy needle, and the 5th embodiment is the 4th embodiment party
The further improvement of formula, mainly thes improvement is that, in the 5th embodiment of the utility model, shown in Figure 5, needle body
It is provided with the venthole 24 being connected with channel 3 on 2 side wall, venthole 24 can be covered when mandril 4 protrudes into channel 3.
Set venthole 24 can be used in keeping the pressure balance before channel 3 and outside in needle body 2, therefore energy
Enough convenient in tissue access channel 3.
Specifically, the air pressure inside and outside channel 3 can keep balancing when venthole 24 is not blocked by mandril 4.And it arrives logical
When stomata 24 is blocked by mandril 4, then positive pressure can be formed by push-in mandril 4, or pull out mandril 4 and form negative pressure.This positive pressure
It may be used to assist biopsy procedure with negative pressure.
In addition, set venthole 24 can prevent mandril 4 from exceedingly sucking biopsy when pulling out, there is fool proof effect
Fruit.
Embodiment six
The sixth embodiment of the utility model provides a kind of skin biopsy needle, and sixth embodiment is the 5th embodiment party
The further improvement of formula, mainly thes improvement is that, the 6th in the utility model applies in mode, and skin biopsy needle includes also tight
Determine mechanism, tightening mechanism is used to fix the position of mandril 4 Yu needle stand 1 relatively.It can prevent mandril 4 from sliding using tightening mechanism.
Specifically, shown in Figure 6, the tightening mechanism of the utility model include be formed in it is interior in the through-hole of needle stand 1
Screw thread (not shown), and the external screw thread 25 being formed on mandril 4, internal screw thread are mutually spirally connected with external screw thread 25 with opposite
The position of fixed mandril 4 and needle stand 1.Set internal and external threads 25 enable to mandril 4 in designated position by tightening.Certainly,
Using other conventional tightening mechanisms, such as tight fixed bolt, tightening fastener etc. are also feasible.
Further, in some embodiments of the utility model, when internal screw thread and external screw thread 25 are mutually spirally connected,
Mandril 4 gos deep into channel 3, and mandril 4 does not cover venthole 24.
At this point, by taking skin histology biopsy as an example.In biopsy sampling, following operation can be followed:
1, the epidermis for treating biopsy regions carries out disinfection processing；
2, the syringe needle of skin biopsy needle is pierced into skin, syringe needle will acquire dermal tissue.Since the default of mandril 4 is located at ventilation
The top in hole 24 and venthole 24 is not covered, therefore 3 external and internal pressure of channel is in equilibrium state, quite convenient for obtaining for dermal tissue
It takes.
3, rotation mandril 4 separates internal and external threads 25, mandril 4 is then pushed ahead, by the gas pressure in channel 3
Power, or directly eject tissue by mandril 4；
4, inspection is organized.
When fixing mandril 4 using tightening mechanism, venthole 24 is able to maintain the internal and external pressure balance in channel 3.To channel 3
It is capable of increasing the pressure in channel 3 then when interior push-in mandril 4 in order to which living tissue is discharged.
Embodiment seven
7th embodiment of the utility model provides a kind of skin biopsy needle, and the 7th embodiment is first to the 6th
The further improvement of embodiment, mainly thes improvement is that, the 7th in the utility model applies in mode, shown in Figure 7,
External interface 11 is provided on needle stand 1.
Set external interface 11 can be used in connecting with external equipments such as handle, air extractors, improve convenience.
Embodiment eight
8th embodiment of the utility model provides a kind of skin biopsy needle, and the 9th embodiment is to the 6th or
The further improvement of seven embodiments, mainly thes improvement is that, in the 8th embodiment of the utility model, referring to Fig. 8
It is shown, sealing element 44 is additionally provided in the front end of mandril 4.Wherein, common sealing element 44 can be rubber ring.
Specifically, setting sealing element 44 can preferably form negative pressure in channel, reduce gas from needle stand 1 and mandril
Gap circulation between 4, can more preferably obtain tissue.And the preferable space of air-tightness, push-in top are formed by sealing element 44
Bar 4 can be by gas by tissue slide aperture, it is thus possible to preferably taking-up tissue and reduce the contact between mandril 4 and tissue.
Embodiment nine
9th embodiment of the utility model provides a kind of skin biopsy needle, and the 9th embodiment is implemented to the 4th
The further improvement of mode, mainly thes improvement is that, shown in Figure 9 in the 9th embodiment of the utility model,
It is provided with retainer 42 on mandril 4, blocking portion 12 is provided on needle stand 1, retainer 42 can be overlapped with blocking portion 12.
Specifically, retainer 42 can be the flanged structure being arranged on mandril 4, and the undersized of flanged structure
Size in channel 3.Blocking portion 12 is the baffle that the channel 3 of needle stand 1 is arranged in and goes out, and its size is less than flanged structure
Size can limit the movement of mandril 4, to prevent mandril 4 from falling off accidentally from channel 3 by contacting with flanged structure.
It is noted that flanged structure has good sealing effect, so as to adjust to pressure in channel 3
It is whole.
Embodiment ten
Tenth embodiment of the utility model provides a kind of skin biopsy needle, and the tenth embodiment is implemented to the 9th
The further improvement of mode, mainly thes improvement is that, shown in Figure 10 in the tenth embodiment of the utility model,
It further include the spring 43 being set in channel 3, spring 43 connects retainer 42 and blocking portion 12.
After spring 43 is in tensional state and decontrols push rod 4, push rod 4 can automatically reset.It is therefore not necessary to manually adjust top
The position of bar 4, improves operation precision.
Equally, by taking skin histology biopsy as an example.In biopsy sampling, following operation can be followed:
1, the epidermis for treating biopsy regions carries out disinfection processing；
2, mandril 4 is adjusted, so that spring 43 is in state that is former long or stretching, so that space appropriate is vacated in channel 3；
3, the syringe needle of skin biopsy needle is pierced into skin, will acquire dermal tissue at the pin hole 21 of syringe needle；
4, the direction away from pin hole 21 retracts mandril 4, and spring is made to be in compressive state, enables syringe needle using negative pressure
It is enough preferably to obtain dermal tissue.
5, it removes with organized skin biopsy needle, adjusts mandril 4 again, tissue is released out of channel 3, is then led to
Crossing spring 43 resets mandril 4；
6, inspection is organized.
Therefore, be arranged spring 43 when, can use spring 43 come so that mandril 4 before the procedure and operation after all precisely
Ground is located at desired position, improves operation precision significantly, improves the efficiency and convenience for obtaining tissue.
It will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferably geographical
It solves the application and proposes many technical details.But even if without these technical details and based on the respective embodiments described above
Various changes and modifications can also realize each claim of the application technical solution claimed substantially.Therefore, in reality
In, can to above embodiment, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (10)
1. a kind of skin biopsy needle, for being sampled to living body, which is characterized in that including needle stand and be connected on the needle stand
Needle body, the needle body is hollow to be formed with channel, and the head end of the needle body is provided with the pin hole towards the channel.
2. skin biopsy needle according to claim 1, which is characterized in that close to the thickness of the pin hole side on the needle body
Degree is less than the thickness on the needle body far from the pin hole side.
3. skin biopsy needle according to claim 1, which is characterized in that form the side at the edge of the pin hole towards remote
Direction from the needle body itself extends, and forms blade.
4. skin biopsy needle as claimed in any of claims 1 to 3, which is characterized in that the skin biopsy needle is also
It include: mandril；
The position that the channel is corresponded on the needle stand is provided with through-hole, and the mandril is passed through from the through-hole and protruded into described logical
In road, also, the mandril can be moved along the length direction in the channel.
5. skin biopsy needle according to claim 4, which is characterized in that be provided on the side wall of the needle body and the channel
The venthole being connected can cover the venthole when mandril protrudes into the channel.
6. skin biopsy needle according to claim 5, which is characterized in that the skin biopsy needle includes going back tightening mechanism,
The tightening mechanism is used for the position of the relatively fixed mandril and the needle stand.
7. skin biopsy needle according to claim 6, which is characterized in that the tightening mechanism includes being formed in the needle stand
Through-hole in internal screw thread, and the external screw thread being formed on the mandril, the internal screw thread be mutually spirally connected with the external screw thread
With the position of the relatively fixed mandril and the needle stand.
8. skin biopsy needle according to claim 7, which is characterized in that the internal screw thread is mutually spirally connected with the external screw thread
When, the mandril gos deep into the channel, and the mandril does not cover the venthole.
9. skin biopsy needle according to claim 4, which is characterized in that retainer is provided on the mandril, in institute
It states the position on the inner wall in channel close to the needle stand and is formed with blocking portion.
10. skin biopsy needle according to claim 9, which is characterized in that it further include the spring being set in the channel,
The spring connects the retainer and the blocking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329214.3U CN209172364U (en) | 2018-08-17 | 2018-08-17 | Skin biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329214.3U CN209172364U (en) | 2018-08-17 | 2018-08-17 | Skin biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209172364U true CN209172364U (en) | 2019-07-30 |
Family
ID=67357786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821329214.3U Active CN209172364U (en) | 2018-08-17 | 2018-08-17 | Skin biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209172364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946628A (en) * | 2020-01-06 | 2020-04-03 | 西藏新好科技有限公司 | Tissue medical treatment sampler for livestock |
| CN110960268A (en) * | 2020-01-06 | 2020-04-07 | 西藏新好科技有限公司 | Tissue minimally invasive sampler for livestock |
-
2018
- 2018-08-17 CN CN201821329214.3U patent/CN209172364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946628A (en) * | 2020-01-06 | 2020-04-03 | 西藏新好科技有限公司 | Tissue medical treatment sampler for livestock |
| CN110960268A (en) * | 2020-01-06 | 2020-04-07 | 西藏新好科技有限公司 | Tissue minimally invasive sampler for livestock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209172364U (en) | Skin biopsy needle | |
| KR20190089052A (en) | Multi-chamber tissue sample cup for biopsy devices | |
| CN105496469B (en) | A kind of marrow puncture needle | |
| CN103976761A (en) | Bone hole sealing instrument and bone tissue puncture tool | |
| CN107174293A (en) | A kind of Orthopedic biopsy puncture needle component | |
| CN203988152U (en) | A kind of sampling probe | |
| CN107280712B (en) | Double-plane prostate biopsy and particle implantation system | |
| CN203763188U (en) | Novel tumor biopsy puncture needle | |
| CN105496472B (en) | Elastic force type cellular collector | |
| CN205386173U (en) | Pancreas negative pressure pjncture needle | |
| CN204169875U (en) | Bone marrow aspiration biopsy needle | |
| CN206792428U (en) | A kind of drawing-in type circumgyration incision biopsy needle | |
| CN205658989U (en) | Safety locking device | |
| CN202515692U (en) | Aspiration biopsy needle | |
| CN208511077U (en) | Cutting type biopsy device with circumferential sampling groove | |
| CN205597953U (en) | Vapour -pressure type cell collector | |
| CN208709935U (en) | A kind of retractable aerial formula tumor aspiration biopsy needle | |
| CN213189776U (en) | Novel prostate puncture biopsy needle | |
| CN208958280U (en) | A kind of laparoscope puncture outfit | |
| KR101862482B1 (en) | Syringe with needle for picking cellular tissue | |
| CN206548540U (en) | A kind of aspiration biopsy of prostatic gland utensil | |
| CN204971489U (en) | Novel puncture needle | |
| CN201564513U (en) | Disposable biopsy needle | |
| CN206714777U (en) | A kind of tumor aspiration biopsy needle | |
| CN209932826U (en) | Gastroenterology biopsy sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |