CN216317723U - Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion - Google Patents

Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion Download PDF

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Publication number
CN216317723U
CN216317723U CN202122507186.8U CN202122507186U CN216317723U CN 216317723 U CN216317723 U CN 216317723U CN 202122507186 U CN202122507186 U CN 202122507186U CN 216317723 U CN216317723 U CN 216317723U
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Prior art keywords
biopsy
hose
handle
cutting
biopsy needle
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CN202122507186.8U
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Chinese (zh)
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孙英华
赵虎林
潘越
薛小宏
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Beijing Zhongyanzhi Innovation Technology Research Institute Co ltd
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Beijing Zhongyanzhi Innovation Technology Research Institute Co ltd
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Abstract

The utility model relates to the technical field of biopsy needles, in particular to a biopsy needle capable of being bent in a directional mode and used for extracting brain tissue lesion. According to the utility model, the working sleeve and the sleeve inner core are combined and then inserted into a specified position and depth, the sleeve inner core is taken out, the biopsy mechanism is combined and taken out, then the sleeve inner core is inserted along the top end of the working sleeve, and can be automatically bent to restore the initial angle when extending out of the working sleeve, so that the sleeve inner core is aligned to the position of lesion tissues needing to be sampled in the brain, the biopsy needle core is pulled out, the brain tissues are cut off, then the third handle is pulled out, and then the biopsy brain tissues can be taken out.

Description

Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion
Technical Field
The utility model relates to the technical field of biopsy needles, in particular to a biopsy needle which can be bent in a directional mode and is used for extracting brain tissue lesions.
Background
The brain tissue lesion biopsy is an important means for determining the nature of brain lesions and determining a treatment scheme, and because the brain tissue is one of the most abundant organs for supplying blood to human bodies, how to avoid cerebral hemorrhage caused by injuring cerebral vessels in the biopsy operation is the key of the biopsy operation, wherein the puncture mode and the material taking mode of a biopsy needle are important influencing factors.
The existing brain tissue biopsy needle is generally straight and only can be used for extracting tissues at the front end in the insertion direction, so that very strict requirements are imposed on the angle, depth and position of the needle insertion, corresponding pathological change tissues cannot be taken or the quality of the taken pathological change tissues is poor once the needle is deviated, subsequent detection is influenced, and in addition, the biopsy needle which utilizes negative pressure to suck and cut is also provided, but the structure is complex, the needle is not flexible and quick to use in an operation, and cerebral hemorrhage caused by puncturing cerebral vessels is easy to occur, so that secondary harm is caused to a patient.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a biopsy needle for extracting brain tissue lesion, which can be bent in a certain direction, so as to solve the problems of the background art. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can directional crooked biopsy needle for extracting brain tissue pathological change, includes and penetrates the mechanism and get biopsy mechanism, it includes work sleeve, the first in command, sleeve pipe inner core and second in command to penetrate the mechanism, the top fixed mounting of work sleeve has the first in command, the sleeve pipe inner core has been inserted to the inside of work sleeve, the top fixed mounting of sleeve pipe inner core has the second in command, it includes biopsy needle core, the fifth in command, cuts hose, fourth in command and biopsy hose to get biopsy mechanism, the top fixed mounting of biopsy needle core has the fifth in command, the cutting hose has been cup jointed to the outside of biopsy needle core, the biopsy hose has been cup jointed to the outside of cutting hose, the top fixed mounting of cutting hose has the fourth in command, the fixed cup joint in top of biopsy hose has the third in command, cutting hose bottom is equipped with diversion helical structure, the crotch end of cutting hose is established to cutting hose point end, has seted up the cutting groove on the cutting hose point end, the crotch end of biopsy hose has seted up through the groove.
Preferably, the third handle, the fourth handle and the fifth handle are provided with direction marking lines on the surfaces of the sides close to the hooks.
Preferably, the cutting groove and the passing groove are both square grooves.
Preferably, the outer surfaces of the working cannula and the biopsy hose are provided with scale marks.
Preferably, the biopsy hose has an inner diameter which is the same as the outer diameter of the cutting hose.
Preferably, the biopsy needle core comprises a bending cylinder and a vertical cylinder, the bottom surface of the vertical cylinder is fixedly connected with the top end face of the bending cylinder, and the bending cylinder is an elastic memory metal bending cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, a working sleeve and a sleeve inner core are combined and then inserted into a designated position and depth, then the sleeve inner core is taken out by using a second handle, a biopsy needle core is inserted into a cutting hose until the bottom end of the biopsy needle core enters the tip end of the cutting hose, then the cutting hose is inserted into the biopsy hose, the through groove and the cutting groove are adjusted to be aligned and superposed to obtain a combined biopsy taking mechanism, the bottom end of the combined biopsy taking mechanism is straightened, then the biopsy taking mechanism is inserted along the top end of the working sleeve, when the bottom end of the combined biopsy taking mechanism extends out of the working sleeve, the combined biopsy taking mechanism can be automatically bent to restore the initial angle to align the position of lesion tissues needing to be sampled in the brain, at the moment, the biopsy needle core is pulled out by using a fifth handle to generate negative pressure so that the brain tissues bulge enter the through groove and the cutting groove, the brain tissues can be cut off by rotating a fourth handle, then the third handle is pulled out to take out the biopsy brain tissues, the trompil of cutting hose rear end is applicable to the syringe front end standard, but adaptation syringe front end size, and it is protruding to be not enough to make the tissue when extracting the biopsy stylet negative pressure of extracting, can external syringe assist the use, and this device can gather the crooked regulation of mouth according to the position condition of needle inserting position and pathological change tissue, and the flexibility is stronger.
Drawings
FIG. 1 is a front sectional view of the biopsy mechanism of the present invention;
FIG. 2 is a front view of the piercing mechanism of the present invention;
FIG. 3 is a perspective view of the working sleeve and first handle of the present invention;
fig. 4 is a front view of the working sleeve according to the present invention.
FIG. 5 is a front view of the inner core of the sleeve of the present invention;
FIG. 6 is a front view of the biopsy tube of the present invention;
FIG. 7 is a front view of the cutting hose of the present invention;
fig. 8 is a front view of a biopsy needle core of the present invention.
In the figure: 1. a first handle; 11. a working sleeve; 2. a second handle; 21. an inner core of the sleeve; 3. a third handle; 31. a biopsy hose; 32. passing through the slot; 4. a fourth handle; 41. cutting the hose; 42. cutting the tip of the hose; 43. cutting the groove; 44. a direction-changing spiral structure; 5. a fifth handle; 51. a biopsy needle core; 6. a direction marking line; 7. scale lines are marked.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a biopsy needle capable of being bent in a directional mode and used for extracting brain tissue lesion comprises a penetrating mechanism and a biopsy taking mechanism, the penetrating mechanism comprises a working sleeve 11, a first handle 1, a sleeve inner core 21 and a second handle 2, the first handle 1 is fixedly installed at the top end of the working sleeve 11, the sleeve inner core 21 is inserted into the working sleeve 11, the second handle 2 is fixedly installed at the top end of the sleeve inner core 21, the biopsy taking mechanism comprises a biopsy needle core 51, a fifth handle 5, a cutting hose 41, a fourth handle 4 and a biopsy hose 31, the fifth handle 5 is fixedly installed at the top of the biopsy needle core 51, the cutting hose 41 is sleeved outside the biopsy needle core 51, the biopsy hose 31 is sleeved outside the cutting hose 41, the fourth handle 4 is fixedly installed at the top end of the cutting hose 41, the third handle 3 is fixedly sleeved at the top end of the biopsy hose 31, a turning spiral structure 44 is arranged at the bottom of the cutting hose 41, the hook end of the cutting hose 41 is a cutting hose tip 42, the cutting hose tip 42 is provided with a cutting groove 43, and the hook end of the biopsy hose 31 is provided with a through groove 32.
In the present embodiment, as shown in fig. 2, 4 and 6, the third handle 3, the fourth handle 4 and the fifth handle 5 are provided with direction marking lines 6 on the side surfaces thereof adjacent to the hooks.
In this embodiment, as shown in fig. 1, 6 and 7, the cutting groove 43 and the passing groove 32 are square grooves, and the cutting groove 43 and the passing groove 32 are square grooves, so that the intracerebral tissue can be conveniently and rotationally cut in a staggered manner.
In this embodiment, as shown in fig. 1, 6, 7 and 8, the outer surfaces of the working cannula 11 and the biopsy hose 31 are provided with scale marks 7.
In the present embodiment, as shown in fig. 1, the biopsy tube 31 has the same inner diameter as the outer diameter of the cutting tube 41, and the biopsy tube 31 has the same inner diameter as the outer diameter of the cutting tube 41, so that the intracerebral tissue can be cut off when the notch 32 and the cutting notch 43 are misaligned with each other.
In this embodiment, as shown in fig. 1 and 8, the biopsy needle core 51 includes a bent cylinder and a vertical cylinder, wherein the bottom end surface of the vertical cylinder is fixedly connected to the top end surface of the bent cylinder, and the bent cylinder is an elastic memory metal bent cylinder.
The use method and the advantages of the utility model are as follows: when the biopsy needle capable of directionally bending and used for extracting the brain tissue lesion is used, the working process is as follows:
referring to fig. 1 to 8, the bending cylinder of the biopsy needle core 51 of the present invention is a flexible memory metal bending cylinder, which can automatically restore the initial bending angle after being straightened by hand, and for the prior art, when the present invention is used, the skull is drilled according to the positioned angle and position, the working cannula 11 and the cannula core 21 are combined and inserted into the designated position and depth, then the cannula core 21 is taken out by using the second handle 2, the biopsy needle core 51 is inserted into the cutting hose 41 until the bottom end of the biopsy needle core 51 enters the cutting hose tip 42, then the cutting hose 41 is inserted into the biopsy hose 31, the through groove 32 is aligned and overlapped with the cutting groove 43 to obtain the combined biopsy taking mechanism, the bottom end of the combined biopsy taking mechanism is straightened and then inserted along the top end of the working cannula 11, and when the bottom end of the combined biopsy taking mechanism extends out of the working cannula 11, the combined biopsy taking mechanism can automatically bend to restore the initial bending angle, aims at the position of lesion tissues needing to be sampled in the brain, at the moment, the biopsy needle core 51 is pulled out by using the fifth handle 5, negative pressure is generated to enable the tissues in the brain to bulge and enter the through groove 32 and the cutting groove 43, the tissues in the brain can be cut off by rotating the fourth handle 4, then the biopsy tissues in the brain can be taken out by pulling out the third handle 3, the rear end of the cutting hose 41 is provided with an opening suitable for the standard of the front end of an injector and can be matched with the size of the front end of the injector, when the biopsy needle core 51 is pulled out and pulled out, the negative pressure is not enough to bulge the tissues, and the biopsy needle core can be used by being connected with the injector for auxiliary use.
The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A biopsy needle capable of directionally bending and used for extracting brain tissue lesion, which comprises a penetrating mechanism and a biopsy taking mechanism, and is characterized in that: the mechanism of penetrating includes work sleeve pipe, the first in command, sleeve pipe inner core and second handle, the top fixed mounting of work sleeve pipe has the first in command, the sleeve pipe inner core has been inserted to work sleeve pipe's inside, the top fixed mounting of sleeve pipe inner core has the second handle, it includes biopsy needle core, the fifth handle, cuts hose, the fourth handle and biopsy hose to get biopsy mechanism, the top fixed mounting of biopsy needle core has the fifth handle, the cutting hose has been cup jointed to the outside of biopsy needle core, the biopsy hose has been cup jointed to the outside of cutting hose, the top fixed mounting of cutting hose has the fourth handle, the fixed cover in top of biopsy hose has the third handle, cutting hose bottom is equipped with diversion helical structure, the crotch end of cutting hose is established to cutting hose point, the cutting groove has been seted up on the cutting hose point, the hook end of the biopsy hose is provided with a through groove.
2. The biopsy needle for brain lesion extraction capable of directional bending according to claim 1, wherein: and direction marking lines are arranged on the surfaces of one sides, close to the hooks, of the third handle, the fourth handle and the fifth handle.
3. The biopsy needle for brain lesion extraction capable of directional bending according to claim 1, wherein: the cutting groove and the passing groove are square grooves.
4. The biopsy needle for brain lesion extraction capable of directional bending according to claim 1, wherein: the outer surfaces of the working sleeve and the biopsy hose are provided with scale marks.
5. The biopsy needle for brain lesion extraction capable of directional bending according to claim 1, wherein: the biopsy hose has an inner diameter that is the same as the outer diameter of the cutting hose.
6. The biopsy needle for brain lesion extraction capable of directional bending according to claim 1, wherein: the biopsy needle core comprises a bending cylinder and a vertical cylinder, the bottom end surface of the vertical cylinder is fixedly connected with the top end face of the bending cylinder, and the bending cylinder is an elastic memory metal bending cylinder.
CN202122507186.8U 2021-10-18 2021-10-18 Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion Active CN216317723U (en)

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CN202122507186.8U CN216317723U (en) 2021-10-18 2021-10-18 Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion

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CN202122507186.8U CN216317723U (en) 2021-10-18 2021-10-18 Biopsy needle capable of being bent in oriented mode and used for extracting brain tissue lesion

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115474971A (en) * 2022-10-28 2022-12-16 北京中研智创新技术研究院有限公司 Direction-changeable closed negative-pressure brain tissue biopsy device and endoscopic biopsy system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115474971A (en) * 2022-10-28 2022-12-16 北京中研智创新技术研究院有限公司 Direction-changeable closed negative-pressure brain tissue biopsy device and endoscopic biopsy system

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