CN104970836A - Suction inner-cutting type tissue biopsy puncture needle - Google Patents
Suction inner-cutting type tissue biopsy puncture needle Download PDFInfo
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- CN104970836A CN104970836A CN201510457959.2A CN201510457959A CN104970836A CN 104970836 A CN104970836 A CN 104970836A CN 201510457959 A CN201510457959 A CN 201510457959A CN 104970836 A CN104970836 A CN 104970836A
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- trocar
- casing needle
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Abstract
The present invention discloses a suction inner-cutting type tissue biopsy puncture needle. The suction inner-cutting type tissue biopsy puncture needle comprises an outer sleeve needle, an outer sleeve needle gap, clamping grooves, an inner sleeve needle, an inner sleeve needle gap, clamping sheaths, an outer sleeve needle core, an inner sleeve needle core and a tip outer sleeve needle; the tail end of the outer sleeve needle is provided with the outer sleeve needle gap; the head end of the outer sleeve needle is provided with the clamping grooves and a first triangular mark; the tail end of the inner sleeve needle is provided with the inner sleeve needle gap; the head end of the inner sleeve needle is provided with the other clamping sheaths and a second triangular mark; and the tail end of the tip outer sleeve needle is provided with a tip outer sleeve needle gap. The suction inner-cutting type tissue biopsy puncture needle is simple and reasonable in structure and convenient to use, flexibility and convenience of the tissue biopsy puncture needle are increased, tissue biopsy of lesions less than 1cm is achieved, damage on puncture paths and tissue around the lesions during a tissue biopsy process is reduced, multiple sampling is achieved by once puncture, different puncture needle diameters are flexibly selected, or the tissue is directly punctured and sampled by the inner sleeve needle to reduce the tissue damage to the minimum.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to cut biopsy puncture needle in a kind of suction.
Background technology
Existing tissue biopsy needle adopts outer cutting mode, utilizes outer casing needle relative to the quick relative movement of interior trocar groove, cuts, obtain biopsy specimen to pathological tissues.There is following problem in this kind of biopsy puncture needle: the 1. quick relative movement of inside and outside trocar, needs corresponding mechanical mechanism to realize.This mechanical mechanism is usually heavier, and has an impact to the puncture angle of puncture needle, the pathway that punctures, and accurately enters diseased region cause difficulty to puncture needle.2. the relative motion distance of inside and outside trocar is that fixing or only limited distance is alternative, and when pathological changes is less, the cutting distance due to inside and outside trocar is longer than the size of pathological changes, when carrying out biopsy, can cause unnecessary normal tissue injury.3. in order to obtain larger tissue, the distance of inside and outside trocar cutting is longer, is usually greater than 1cm, and the tissue injury caused is comparatively large, is easy to merging hemorrhage.4. puncture needle external diameter is comparatively large, comparatively large to the injuries of tissues and organs on puncture path, is easy to the complication such as merging is hemorrhage, pneumothorax (lung is worn).5. repeatedly sampling needs repeatedly to puncture, the histoorgan repeatedly on damage puncture pathway.6. in order to one-time puncture biopsy sampling repeatedly, and when carrying out biopsy by the puncture outer casing needle that diameter is larger, be very easy to cause tissue injury, even cause lethal complication.
Summary of the invention
The object of the present invention is to provide cut biopsy puncture needle in a kind of suction, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: cut biopsy puncture needle in a kind of suction, comprise outer casing needle, outer casing needle breach, draw-in groove, interior trocar, interior trocar breach, card sheath, outer casing needle nook closing member, interior trocar nook closing member and tip outer casing needle, the end of described outer casing needle has outer casing needle breach, the head end of described outer casing needle is provided with draw-in groove first triangular marker, the end of described interior trocar has interior trocar breach, the latter end that the head end of described interior trocar is provided with tip outer casing needle described in card sheath and the second triangular marker has tip outer casing needle breach.
Preferably, described outer casing needle is identical with the specification of tip outer casing needle.
Preferably, the diameter of described outer casing needle nook closing member is less than the diameter of outer casing needle.
Preferably, the diameter of described interior trocar nook closing member is less than the diameter of interior trocar.
Preferably, described outer casing needle nook closing member and interior trocar nook closing member are flush configuration.
Preferably, described tip outer casing needle breach is 1/3rd of the diameter of tip outer casing needle.
Preferably, described outer casing needle breach is 1/3rd of the diameter of outer casing needle.
Preferably, described interior trocar breach is 1/3rd of the diameter of interior trocar.
Preferably, described first triangular marker and the second triangular marker with the use of.
Preferably, the length of described outer casing needle, outer casing needle breach, interior trocar, outer casing needle nook closing member, interior trocar nook closing member and tip outer casing needle is 5cm-20cm, and diameter is 0.70mm-2.50mm.
Compared with prior art, the invention has the beneficial effects as follows: cut biopsy puncture needle in this suction, simple and reasonable, easy to use, increase the motility of tissue biopsy needle, convenience, realize carrying out the biopsy of group group to the pathological changes being less than 1cm, reduce the damage to puncture path and perilesional tissue in biopsy process, one-time puncture, realizes repeatedly sampling, selects different puncture needle diameters flexibly, or by interior trocar Direct perforantes sampling, tissue injury is reduced to minimum.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the head end of outer casing needle of the present invention;
Fig. 3 is the structural representation of interior trocar of the present invention;
Fig. 4 is the structural representation of the head end of interior trocar of the present invention;
Fig. 5 is the structural representation of outer casing needle nook closing member of the present invention;
Fig. 6 is the structural representation of interior trocar nook closing member of the present invention;
Fig. 7 is the structural representation of trocar in tip of the present invention.
In figure: 1, outer casing needle, 2, outer casing needle breach, 3, draw-in groove, 4, interior trocar, 5, interior trocar breach, 6, card sheath, 7, outer casing needle nook closing member, 8, interior trocar nook closing member, 9, tip outer casing needle, 10, tip outer casing needle breach, the 11, first triangular marker, the 12, second triangular marker.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-7, the invention provides a kind of technical scheme: cut biopsy puncture needle in a kind of suction, comprise outer casing needle 1, outer casing needle breach 2, draw-in groove 3, interior trocar 4, interior trocar breach 5, card sheath 6, outer casing needle nook closing member 7, interior trocar nook closing member 8 and tip outer casing needle 9, the end of outer casing needle 1 has outer casing needle breach 2, outer casing needle breach 2 is 1/3rd of the diameter of outer casing needle 1, the head end of outer casing needle 1 is provided with draw-in groove 3 first triangular marker 11, outer casing needle 1 is identical with the specification of tip outer casing needle 9, the diameter of outer casing needle nook closing member 7 is less than the diameter of outer casing needle 1, the end of interior trocar 4 has interior trocar breach 5, interior trocar breach 5 is 1/3rd of the diameter of interior trocar 4, the head end of interior trocar 4 is provided with card sheath 6 and the second triangular marker 12, first triangular marker 11 and the second triangular marker 12 with the use of, the diameter of interior trocar nook closing member 8 is less than the diameter of interior trocar 4, outer casing needle nook closing member 7 and interior trocar nook closing member 8 are flush configuration, the latter end of tip outer casing needle 9 has tip outer casing needle breach 10, tip outer casing needle breach 10 is 1/3rd of the diameter of tip outer casing needle 9, outer casing needle 1, outer casing needle breach 2, interior trocar 4, outer casing needle nook closing member 7, the length of interior trocar nook closing member 8 and tip outer casing needle 9 is 5cm-20cm, diameter is 0.70mm-2.50mm.
Using method one:
1. before puncture is carried out, inside and outside trocar end gap is in relative direction, and inner sleeve nook closing member is positioned at trocar, realizes the bur to epidermis and tissue by the sharp keen solid needle point of outer casing needle.
2. puncture needle is under iconography instrument (B ultrasonic or CT) guides, and arrives diseased region (lung tissue etc.).
3. by being rotated by puncture needle head end 180 degree (realizing accurately rotating by draw-in groove), use the inside and outside trocar chip marks being positioned at puncture needle end with in the other direction, now diseased region tissue is exposed to the indentation, there of inside and outside trocar end.
4. exit interior trocar nook closing member, now, trocar becomes cavity.At inner sleeve syringe needle termination vacuum suction syringe, or ordinary syringe.Utilize vacuum suction syringe or ordinary syringe to produce negative pressure a small amount of diseased region tissue is sucked in interior trocar cavity.
5. by again puncture needle head end being rotated 180 degree, interior trocar and outer casing needle mark are equidirectional (realizing accurately rotating by draw-in groove), and in utilizing, the pathological tissues be inhaled in interior trocar cavity cuts down by the sharp edge at trocar end gap place.
6. interior trocar is exited.Now for avoiding outer casing needle to be in cavity state for a long time, outer casing needle nook closing member should be inserted.
7. the specimen of trocar in disposing.Interior trocar nook closing member can be utilized, gently the tissue specimen being positioned at trocar is disclosed trocar, or utilize syringe to pressurize, the tissue specimen in interior trocar is got interior trocar.After specimen is taken out, dispose specimen according to suitable method.
8. exit outer casing needle nook closing member, repeat 1.-7. step, can realize repeatedly cutting, until obtain enough specimen.
9., after puncture, exit outer casing needle, deal carefully with puncture wound.
Using method two:
1. the puncture needle that diameter is less is selected.
2. end is directly used to be that the interior trocar of sharp keen solid needle point punctures: (1), before puncture is carried out, inner sleeve nook closing member is positioned at trocar.The bur to epidermis and tissue is realized by the sharp keen solid needle point of outer casing needle.(2) puncture needle is under iconography instrument (B ultrasonic or CT) guides, and arrives diseased region (lung tissue etc.).(3) exit interior trocar nook closing member, now, trocar becomes cavity.At inner sleeve syringe needle termination vacuum suction syringe, or ordinary syringe.Utilize vacuum suction syringe or ordinary syringe to produce negative pressure a small amount of diseased region tissue is sucked in interior trocar cavity.(4) by rotating puncture needle head end, in utilizing, the pathological tissues be inhaled in interior trocar cavity cuts down by the sharp edge at trocar end gap place.(5) puncture needle is exited, as above-mentioned process specimen.(6) repeated puncture when needing, to obtain enough specimen.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (10)
1. one kind sucks interior cut biopsy puncture needle, comprise outer casing needle (1), outer casing needle breach (2), draw-in groove (3), interior trocar (4), interior trocar breach (5), card sheath (6), outer casing needle nook closing member (7), interior trocar nook closing member (8) and tip outer casing needle (9), it is characterized in that: the end of described outer casing needle (1) has outer casing needle breach (2), the head end of described outer casing needle (1) is provided with draw-in groove (3) and the first triangular marker (11), the end of described interior trocar (4) has interior trocar breach (5), the head end of described interior trocar (4) is provided with card sheath (6) and the second triangular marker (12), the latter end of described tip outer casing needle (9) has tip outer casing needle breach (10).
2. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: described outer casing needle (1) is identical with the specification of tip outer casing needle (9).
3. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: the diameter of described outer casing needle nook closing member (7) is less than the diameter of outer casing needle (1).
4. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: the diameter of described interior trocar nook closing member (8) is less than the diameter of interior trocar (4).
5. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: described outer casing needle nook closing member (7) and interior trocar nook closing member (8) are flush configuration.
6. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: 1/3rd of the diameter that described tip outer casing needle breach (10) is tip outer casing needle (9).
7. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: 1/3rd of the diameter that described outer casing needle breach (2) is outer casing needle (1).
8. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: 1/3rd of the diameter that described interior trocar breach (5) is interior trocar (4).
9. one according to claim 1 suck in cut biopsy puncture needle, it is characterized in that: described first triangular marker (11) and the second triangular marker (12) with the use of.
10. one according to claim 1 sucks interior cut biopsy puncture needle, it is characterized in that: the length of described outer casing needle (1), outer casing needle breach (2), interior trocar (4), outer casing needle nook closing member (7), interior trocar nook closing member (8) and tip outer casing needle (9) is 5cm-20cm, and diameter is 0.70mm-2.50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457959.2A CN104970836A (en) | 2015-07-30 | 2015-07-30 | Suction inner-cutting type tissue biopsy puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457959.2A CN104970836A (en) | 2015-07-30 | 2015-07-30 | Suction inner-cutting type tissue biopsy puncture needle |
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| Publication Number | Publication Date |
|---|---|
| CN104970836A true CN104970836A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510457959.2A Pending CN104970836A (en) | 2015-07-30 | 2015-07-30 | Suction inner-cutting type tissue biopsy puncture needle |
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| Country | Link |
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| CN (1) | CN104970836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105726099A (en) * | 2016-02-01 | 2016-07-06 | 梁志刚 | Sleeve type lumbar puncture needle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142325Y (en) * | 1992-06-28 | 1993-09-22 | 梁季鸿 | Multi-purpose negative pressure rotation cutting biopsy |
| CN201542659U (en) * | 2009-11-17 | 2010-08-11 | 韩凤云 | Soft tissue biopsy sampler |
| CN201743745U (en) * | 2010-05-25 | 2011-02-16 | 王洪武 | Multiplex trocar for percutaneous puncture |
| ES2398223T3 (en) * | 2002-04-05 | 2013-03-14 | Carefusion 2200, Inc. | Enhanced biopsy needle and biopsy device that includes said needle |
| CN203647390U (en) * | 2013-12-27 | 2014-06-18 | 杭州安体科技有限公司 | Puncture needle for multi-point biopsy under guidance of type B ultrasonography |
| CN104665881A (en) * | 2015-03-31 | 2015-06-03 | 尹格平 | Puncture biopsy sleeve needle-knife for cystic-solid mass |
| CN204839588U (en) * | 2015-07-30 | 2015-12-09 | 陈晓阳 | Inscribe formula tissue biopsy pjncture needle inhales |
-
2015
- 2015-07-30 CN CN201510457959.2A patent/CN104970836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142325Y (en) * | 1992-06-28 | 1993-09-22 | 梁季鸿 | Multi-purpose negative pressure rotation cutting biopsy |
| ES2398223T3 (en) * | 2002-04-05 | 2013-03-14 | Carefusion 2200, Inc. | Enhanced biopsy needle and biopsy device that includes said needle |
| CN201542659U (en) * | 2009-11-17 | 2010-08-11 | 韩凤云 | Soft tissue biopsy sampler |
| CN201743745U (en) * | 2010-05-25 | 2011-02-16 | 王洪武 | Multiplex trocar for percutaneous puncture |
| CN203647390U (en) * | 2013-12-27 | 2014-06-18 | 杭州安体科技有限公司 | Puncture needle for multi-point biopsy under guidance of type B ultrasonography |
| CN104665881A (en) * | 2015-03-31 | 2015-06-03 | 尹格平 | Puncture biopsy sleeve needle-knife for cystic-solid mass |
| CN204839588U (en) * | 2015-07-30 | 2015-12-09 | 陈晓阳 | Inscribe formula tissue biopsy pjncture needle inhales |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105726099A (en) * | 2016-02-01 | 2016-07-06 | 梁志刚 | Sleeve type lumbar puncture needle |
| CN105726099B (en) * | 2016-02-01 | 2018-03-30 | 烟台毓璜顶医院 | A kind of shell type lumbar puncture needle |
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| PB01 | Publication | ||
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Application publication date: 20151014 |