CN204618355U - A kind of ultrasonic pin - Google Patents
A kind of ultrasonic pin Download PDFInfo
- Publication number
- CN204618355U CN204618355U CN201520301388.9U CN201520301388U CN204618355U CN 204618355 U CN204618355 U CN 204618355U CN 201520301388 U CN201520301388 U CN 201520301388U CN 204618355 U CN204618355 U CN 204618355U
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- China
- Prior art keywords
- pin
- lock
- regulating handle
- handle
- ultrasonic
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- Withdrawn - After Issue
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Abstract
This utility model provides a kind of ultrasonic pin, comprise pin, outer tube and hands handle, described pin is built in outer tube, described pin near-end connects nook closing member joint, described nook closing member joint distally side is provided with the conduit mount be connected successively, pin adjustable pipe, the outer nested interconnective proximal lock gripping members of pin adjustable pipe and go out pin regulating handle, go out pin regulating handle flexible connection one and go out pin adjustment lock, described go out pin regulate and lock the directed cavity that is provided with screens groove, described directed cavity embeds out in pin regulating handle, described screens groove comprises the lock groove in gathering sill axially and gathering sill distal radial, described go out the distal internal of pin regulating handle be provided with the position blocking pin with screens groove adaptation, described directed cavity and go out between pin regulating handle to be provided with compression spring.
Description
Technical field
This utility model relates to a kind of medical devices, particularly a kind ofly can enter in human body the ultrasonic pin carrying out puncturing.
Background technology
Under the guiding of ultrasonic bronchoscope/ultrasonic endoscope, obtaining tissue or cytological samples after puncture suction, is that the normal EBUS/EUS claimed checks clinically.EBUS is by the particular location (conventional bronchoscope can only see the pathological changes being positioned at trachea-bronchial epithelial cell) of the outer pathological changes of localization by ultrasonic bronchus, and blood vessel is avoided under the guiding of color Doppler, obtained the biological cells and tissues of corresponding site by pin suction and biopsy, thus reach the object of diagnosed disease.EUS checks the primary tumo(u)r of cancer of pancreas higher with local tuberosity accuracy by stages.
The key that EBUS/EUS checks is to obtain required tissue or cytological samples smoothly, particularly important for the biopsy needle sampled.When existing EBUS pin/EUS pin uses, after predetermined depth of needle is determined by safety lock, manual driving handle goes out pin, all hold handle distally to promote when going out pin, general need two people coordinates, and adds the operation requirements of doctor, implements to bring inconvenience to clinical operation.
Utility model content
Utility model object: technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of ultrasonic pin.
In order to solve the problems of the technologies described above, this utility model provides a kind of ultrasonic pin, comprise pin, outer tube and hands handle, described pin is built in outer tube, described pin near-end connects nook closing member joint, described nook closing member joint distally side is provided with the conduit mount be connected successively, pin adjustable pipe, the outer nested interconnective proximal lock gripping members of pin adjustable pipe and go out pin regulating handle, go out pin regulating handle flexible connection one and go out pin adjustment lock, described go out pin regulate and lock the directed cavity that is provided with screens groove, described directed cavity embeds out in pin regulating handle, described screens groove comprises the lock groove in gathering sill axially and gathering sill distal radial, described go out the distal internal of pin regulating handle be provided with the position blocking pin with screens groove adaptation, described directed cavity and go out between pin regulating handle to be provided with compression spring,
When position blocking pin is positioned at lock groove, go out pin regulating handle and go out pin to regulate lock to be fixedly connected as entirety; When position blocking pin is positioned at gathering sill, go out pin regulating handle and promote out pin under external force, after external force release, go out the automatic proximally withdraw of the needle under compression spring effect of pin regulating handle.
In this utility model, described directed cavity is arranged with two gathering sills, gathering sill bottom is respectively equipped with a lock groove, and gathering sill is used for position blocking pin and slides, and lock groove is for pinning position blocking pin.
In this utility model, described pin adjustable pipe is provided with scale, for showing and controlling out the pin degree of depth.
In this utility model, described nook closing member joint is threaded connection on conduit mount.
In this utility model, described conduit mount is threaded connection pin adjustable pipe.
In this utility model, described in go out pin regulate lock and handle be threaded connection.
Beneficial effect: 1, this utility model can be doctor by spring and locking device thereof provides two kinds to go out pin mode, be respectively spring go out pin and manually go out needle mould formula, doctor can according to the situation of self and different Curing circumstance select optimal go out pin mode, thus best therapeutic scheme can be provided for patient, product has more generalization.
2, this utility model is under spring goes out needle mould formula, the restoring force of spring is utilized to can easily achieve out the single control of pin, not only can reduce the burden of medical personnel, also reduce the operation complexity brought by double cooperation, it also avoid cooperation risk, make easy and simple to handle, for the accuracy of sampling provides reliable guarantee.
3, the pin of the configurable different size of outer tube of the present utility model, saves raw-material input.
Accompanying drawing explanation
To do this utility model below in conjunction with the drawings and specific embodiments and further illustrate, above-mentioned or otherwise advantage of the present utility model will become apparent.
Fig. 1 is structural representation of the present utility model;
Fig. 2 goes out the structural representation that pin regulates lock;
Fig. 3 is the structural representation pin regulating handle;
Fig. 4 be spring uncompressed time go out pin regulating handle and go out pin regulate lock state diagram;
Go out pin regulating handle when Fig. 5 is spring-compressed and go out the state diagram that pin regulates lock.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is elaborated.
As Fig. 1, this utility model comprises nook closing member joint 1, conduit mount 2, pin adjustable pipe 3, proximal lock gripping members 4, go out pin regulating handle 5, go out pin and regulate lock 6, handle 7, remote lock gripping members 8, outer tube adjustable pipe 9, pin 10 and outer tube 11, wherein pin 10 is connected on nook closing member joint 1, nook closing member joint 1 is provided with conduit mount 2 successively to the far-end of pin 10, pin adjustable pipe 3, proximal lock gripping members 4, go out pin regulating handle 5, go out pin and regulate lock 6, handle 7, remote lock gripping members 8 and outer tube adjustable pipe 9, wherein nook closing member joint 1 and conduit mount 2 are threaded connection, conduit mount 2 and pin adjustable pipe 3 are threaded connection, nook closing member joint 1, proximal lock gripping members 4, go out pin and regulate that to be equipped with perpendicular to direction of rotation outside lock 6 and remote lock gripping members 8 convex stupefied, be convenient to rotate.
As Fig. 2, go out pin and regulate lock 6 to comprise directed cavity 12, directed cavity 12 is provided with screens groove 13, and screens groove 13 is symmetricly set on directed cavity both sides, and screens groove 13 is L-type groove, and comprise axial gathering sill 14 and radial lock groove 15, lock groove 15 is at the far-end of gathering sill 14.
As Fig. 3, go out in pin regulating handle 5 position blocking pin 16 be provided with going out pin and regulate screens groove 13 adaptation on lock 6, position blocking pin 16 can slide along gathering sill 14, and position blocking pin 16 may be stuck on lock groove 15.
As Fig. 4, go out pin regulating handle 5 inner spring 17 uncompressed, for spring goes out pin mode, position blocking pin 16 is positioned at gathering sill 14, go out pin regulating handle 5 and promote out pin under external force, after external force release, go out pin regulating handle 5 proximally withdraw of the needle automatically under compression spring 17 acts on.
As Fig. 5, go out pin regulating handle 5 inner spring 17 and compress, for manually going out pin mode, position blocking pin 16 is positioned at lock groove 15, goes out pin regulating handle 5 and go out pin to regulate lock 6 to be fixedly connected as entirety.
This utility model in use, operation consent, doctor can first according to self situation and different Curing circumstance select optimal go out pin mode.Select spring when going out needle mould formula, guarantee that position blocking pin 16 is positioned at gathering sill 14, then spring is in free state, can discharge by pressing pin regulating handle 5, and the position blocking pin 16 going out pin regulating handle, going out pin and regulate in the gathering sill of lock 6 to slide, realizes spring and goes out pin.Select when manually going out pin, then will go out pin and regulate lock 6 proximally move and rotate, and make position blocking pin 16 be positioned at lock groove 15, then can go out pin and regulate lock 6 and go out pin regulating handle 5 and be fastenedly connected and be integrated also locking spring thus realize Non-follow control and go out pin.
After selecting out pin mode, prepare vacuum injector (not shown), after syringe shifts the end onto, syringe is in without gaseity.Three-way valve (not shown) is threaded to OFF position, syringe piston of pulling back, until subscribe position.
By near-end locking member 4 with go out pin regulating handle 5 and move to near-end of the present utility model locking, pin is regained in outer tube 11 completely.
Holding position, inserts endoscopic biopsy duct by this utility model, Handleset and scope are fixed by spun outer tube adjustable pipe 9.
Unclamp remote lock gripping members 8, sliding handle 7 makes outer tube 11 far-end arrive ideal position and lock remote lock gripping members 8, and this step is the length regulating outer tube to stretch out scope, when ensureing that pin stretches out in effective ultrasonic range.
Unscrew proximal lock gripping members 4, by near-end locking member 4 with go out pin regulating handle 5 and distally promote, until subscribe go out pin size till, locking.The numeral of now proximal lock gripping members 4 most proximal end display is out the total depth of pin.
Promote out pin regulating handle 5 and insert a needle into focus, now go out pin and regulate lock 6 can arrive handle 7 near-end.Take out nook closing member, connect ready vacuum injector, open three-way valve switch, open negative pressure, prepare to make a collection of specimens.For ease of collecting sample, repeatedly pin can be gone out by a small margin at biopsy sites.Be in spring when going out needle mould formula, one hand holds handle 7, and discharge by pressing pin regulating handle 5 (spring goes out pin mode) realizes automatically going out pin back stitching by the restoring force of spring.Be in when manually going out needle mould formula, manually promote/pull back out pin regulating handle 5 and can realize out pin/back stitching.
In the present embodiment, as one of another preferred version, also lock and handle can be regulated to be threaded connection by going out pin, when go out pin mode be spring go out pin time, go out pin regulate lock with handle by screw thread screw carry out spacing, make it not affect syringe push-and-pull, do not affect proximal lock gripping members and go out the promotion of pin regulating handle, when going out pin mode for manually going out pin, pin of outwarding winding out regulates the screw thread between lock and handle, is used pin regulating handle 5 and gone out pin to regulate lock 6 to be fixedly connected as entirety by position blocking pin and the combination of screens groove.
This utility model provides a kind of ultrasonic pin; the method and access of this technical scheme of specific implementation is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from this utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (6)
1. a ultrasonic pin, comprise pin (10), outer tube (11) and handle (7), described pin (10) is built in outer tube (11), it is characterized in that, described pin (10) near-end connects nook closing member joint (1), described nook closing member joint (1) distally side is provided with the conduit mount (2) be connected successively, pin adjustable pipe (3), pin adjustable pipe (3) nested interconnective proximal lock gripping members (4) and go out pin regulating handle (5) outward, go out pin regulating handle (5) flexible connection one and go out pin adjustment lock (6), described go out pin regulate lock (6) to be provided with directed cavity (12) with screens groove (13), described directed cavity (12) embeds out in pin regulating handle (5), described screens groove (13) comprises the lock groove (15) in gathering sill (14) axially and gathering sill distal radial, described go out the distal internal of pin regulating handle (5) be provided with and the position blocking pin of screens groove adaptation (16), described directed cavity (12) and go out between pin regulating handle (5) to be provided with compression spring (17), when position blocking pin (16) is positioned at lock groove (15), go out pin regulating handle (5) and go out pin to regulate lock (6) to be fixedly connected as entirety, when position blocking pin (16) is positioned at gathering sill (14), go out pin regulating handle (5) and promote out pin under external force, after external force release, go out pin regulating handle (5) proximally withdraw of the needle automatically under compression spring (17) effect.
2. the ultrasonic pin of one according to claim 1, is characterized in that, described directed cavity (12) is arranged with two gathering sills (14), and gathering sill (14) bottom is respectively equipped with a lock groove (15).
3. the ultrasonic pin of one according to claim 1, is characterized in that, described pin adjustable pipe (3) is provided with scale.
4. the ultrasonic pin of one according to claim 1, is characterized in that, described nook closing member joint (1) is threaded connection on conduit mount (2).
5. the ultrasonic pin of one according to claim 1, is characterized in that, described conduit mount (2) is threaded connection pin adjustable pipe (3).
6. the ultrasonic pin of one according to claim 1, is characterized in that, described in go out pin regulate lock (6) and handle (7) be threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301388.9U CN204618355U (en) | 2015-05-11 | 2015-05-11 | A kind of ultrasonic pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301388.9U CN204618355U (en) | 2015-05-11 | 2015-05-11 | A kind of ultrasonic pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204618355U true CN204618355U (en) | 2015-09-09 |
Family
ID=54037426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520301388.9U Withdrawn - After Issue CN204618355U (en) | 2015-05-11 | 2015-05-11 | A kind of ultrasonic pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204618355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799915A (en) * | 2015-05-11 | 2015-07-29 | 南京微创医学科技有限公司 | Ultrasonic needle |
-
2015
- 2015-05-11 CN CN201520301388.9U patent/CN204618355U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799915A (en) * | 2015-05-11 | 2015-07-29 | 南京微创医学科技有限公司 | Ultrasonic needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee after: MICRO-TECH (NANJING) CO., LTD. Address before: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee before: Nanjing Micro-Tech Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |