CN203425001U

CN203425001U - Puncture rack

Info

Publication number: CN203425001U
Application number: CN201320477298.6U
Authority: CN
Inventors: 徐智锋
Original assignee: SHENZHEN JINGFANG MEDICAL INSTRUMENT Co Ltd
Current assignee: Jingfang Precision Medical Device Shenzhen Co ltd
Priority date: 2013-08-06
Filing date: 2013-08-06
Publication date: 2014-02-12
Anticipated expiration: 2023-08-06

Abstract

The utility model relates to a puncture rack which comprises a fixing device, wherein the fixing device is provided with at least one first puncture needle guiding device and at least one second puncture needle guiding device, the first puncture needle guiding device is used for guiding a puncture needle to enter within an image plane of an ultrasonic probe, and the second puncture needle guiding device is used for guiding the puncture needle to enter at any position outside the image plane. The puncture rack is matched with the ultrasonic probe, so that puncturing can be performed in the plane and at any position outside the plane, different clinical needs are met, the purchase expense is reduced, and the convenience in management and use of the puncture rack is enhanced.

Description

A kind of puncture supporter

Technical field

This utility model relates to medical apparatus and instruments, more particularly, relates to a kind of puncture supporter.

Background technology

At present, the puncture technique under ultrasonic guidance has two kinds.A kind of is puncture in plane, as shown in Figure 1, the inserting needle path 21 of puncture needle and the plane of delineation 22 of ultrasonic probe 2 are in same plane (being also the long shaft plane of ultrasonic probe), can show whole puncture needle in the overall process of puncture, dynamically show the mutual relation of puncture needle and puncture target 23.Another kind is that plane punctures outward, and as shown in Figure 2, the local image of the needle tip of puncture target 23 ' position, in the outside of the plane of delineation 22 of ultrasonic probe 2, can only be seen in the inserting needle path 24 of puncture needle.The conventional inserting needle plane of the outer puncture of plane is the not only short axis plane of vertical image plane but also the ultrasonic probe by plane of delineation symmetrical center line.

In many puncture operations, as vascular punctures such as the nerve block under ultrasonic guidance, central vein or radial arterys etc., all feasible with the outer two kinds of puncture techniques of plane in plane, respectively there is quality.For example, in vascular puncture, in plane, puncture technique can be known the inserting needle process of demonstration needle point in tissue, thereby avoids causing blood vessel injury at intracavity, but because inserting needle path comparison is long, slightly large to the degree of injury of tissue; The puncture path of the outer puncture technique of plane is shorter, degree of injury to tissue is little, can obtain the cross-sectional image of lumen of vessels simultaneously, although puncture needle image is a bright spot on ultrasonoscopy, but can intuitive judgment puncture needle inserting needle direction and the relation of lumen of vessels by this bright spot, thereby complete safely puncture procedure.

It is at present the puncture supporter of the ultrasonic probe outfit of certain model, it is the puncture supporter that is exclusively used in puncture in plane, be the puncture supporter that is exclusively used in the outer puncture of plane, or two cover puncture supporters are respectively used to the interior puncture of plane and plane punctures outward for this ultrasonic probe is made.In above-mentioned plane and the occasion that all may use of the outer puncture of plane, the puncture supporter of individual feature differs and meets surely the demand of all doctors and dissimilar operation thereof, and same probe is joined two cover puncture supporters and brought the inconvenience on management and using.

Utility model content

The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of double can realization in plane to puncture and the outer puncture supporter puncturing of plane.

This utility model solves the technical scheme that its technical problem adopts: propose a kind of puncture supporter, comprise fixture, described fixture is provided with at least one first puncture needle guiding device of biopsy needle guide inserting needle in the plane of delineation of ultrasonic probe and at least one second puncture needle guiding device of biopsy needle guide optional position inserting needle outside the plane of delineation.

In an embodiment, any side at described fixture epigraph plane place is provided with described the first puncture needle guiding device.

In an embodiment, the both sides at described fixture epigraph plane place are respectively equipped with described the first puncture needle guiding device.

In an embodiment, in described fixture, perpendicular to the plane of delineation and any side by plane of delineation symmetrical center line, be provided with described the second puncture needle guiding device.

In an embodiment, in described fixture, perpendicular to the plane of delineation and the both sides by plane of delineation symmetrical center line, be respectively equipped with described the second puncture needle guiding device.

In an embodiment, in described fixture, corresponding to described the first puncture needle guiding device and the second puncture needle guiding device, be respectively equipped with the angle of a plurality of puncture angles bearing is provided, described the first puncture needle guiding device and the second puncture needle guiding device are installed on respectively on corresponding angle bearing.

In an embodiment, described the first puncture needle guiding device and the second puncture needle guiding device are respectively extended pin bootstrap block described fixture, on described pin bootstrap block, offer puncture needle tray.

In an embodiment, opening one side of described puncture needle tray is provided with the first elastic wall and the second elastic wall relatively, and the gap between described the first elastic wall and the second elastic wall is less than the diameter of puncture needle.

In an embodiment, in described fixture, be also provided with the assembly structure coordinating with ultrasonic probe.

Puncture supporter of the present utility model coordinates with ultrasonic probe, can realize puncture in plane and can realize again the puncture of the outer optional position of plane, meets different clinical demands, reduces buying expenses, strengthens the convenience of puncture supporter management and using.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:

Fig. 1 is the schematic diagram of puncture in plane;

Fig. 2 is the schematic diagram of the outer puncture of plane;

Fig. 3 is the structural representation that the puncture supporter of an embodiment of this utility model coordinates with ultrasonic probe;

Fig. 4 is the puncture schematic diagram of the puncture supporter biopsy needle guide of an embodiment of this utility model.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.

The utility model proposes a kind of puncture supporter, in the fixture that coordinates installation with ultrasonic probe, be provided with at least one first puncture needle guiding device of inserting needle in the plane of delineation of biopsy needle guide at ultrasonic probe and at least one second puncture needle guiding device of biopsy needle guide optional position inserting needle outside the plane of delineation, can realize puncture in plane, can realize again plane punctures outward, to meet different puncture demands, and strengthen the management and using convenience of puncture supporter.

Fig. 3 shows the structural representation that in embodiment of this utility model, puncture supporter 1 coordinates with ultrasonic probe 2.Fig. 4 shows the puncture schematic diagram of this puncture supporter 1 biopsy needle guide 3.As shown in Figure 3, puncture supporter 1 comprises fixture 11, and puncture supporter 1 is mounted and fixed on ultrasonic probe 2 by fixture 11.Specifically as shown in Figure 3, fixture 11 coordinates clamping with ultrasonic probe 2 by assembly structures such as groove and projections, for example, in fixture 11, have alignment concavity 111 and positioning boss 112, has location convex surface 25 and detent 26 on ultrasonic probe 2.Different according to the profile of ultrasonic probe, the assembly structure of fixture 11 is also different.

As Fig. 3 and Fig. 4, fixture 11 is extended the first pin bootstrap block 13 as the first needle guidance apparatus in a side at the plane of delineation 22 places of ultrasonic probe.On the first pin bootstrap block 13, offer puncture needle tray 131, puncture needle 3 can be realized in plane and being punctured by puncture needle tray 131, it is the plane of delineation 22 that the centrage of puncture needle 3 is positioned at ultrasonic probe 2 substantially, in ultrasonic two dimensional image, can see that a bright line and puncture path 21 are substantially identical, thereby biopsy needle guide 3 reaches the paracentesis depth at puncture target 23 places.

Further as shown in Figure 3 and Figure 4, fixture 11 is being extended the second pin bootstrap block 14 as the second puncture needle guiding device perpendicular to the plane of delineation 22 and by a side (being a side at the short axis plane place of ultrasonic probe 2) of the plane of delineation 22 symmetrical center line.On the second pin bootstrap block 14, offer puncture needle tray 141, puncture needle 3 can be realized plane by puncture needle tray 141 and puncture outward, be that the centrage of puncture needle 3 and the plane of delineation of ultrasonic probe 2 22 form an intersection point, the image that can see in ultrasonoscopy is a bright spot, the paracentesis depth at the target that punctures 23 ' place.

According in different embodiment of the present utility model, fixture 11 also can arrange puncture needle guiding device in the optional position (being not limited to the short axis plane shown in Fig. 3 and Fig. 4) outside ultrasound image plane, to realize plane, punctures outward.By adopting puncture supporter of the present utility model, doctor can, in the situation that not changing puncture supporter, select carry out the interior puncture of plane or carry out plane and puncture outward as required flexibly.

Further as shown in Figure 3 and Figure 4, opening one side of puncture needle tray 131 is provided with the first elastic wall 1311 and the second elastic wall 1312 relatively, and the gap between the first elastic wall 1311 and the second elastic wall 1312 is less than the diameter of puncture needle 3.Same, opening one side of puncture needle tray 141 is provided with the first elastic wall 1411 and the second elastic wall 1412 relatively, and the gap between the first elastic wall 1411 and the second elastic wall 1412 is less than the diameter of puncture needle 3.

Puncture needle tray

131 and 141 is by the cooperation of two elastic walls, can be by the puncture needle 3 of suitable size, can not only limit puncture needle 3 to deviate from from puncture needle tray 131,141 and guarantee the accurate of guiding, the elastic force that can a little firmly overcome again elastic wall simultaneously after puncture completes is thrown off puncture needle 3 from puncture needle tray 131,141, thereby conveniently removes puncture supporter 1 and ultrasonic probe 2.

In addition, in different embodiment of the present utility model, for the situation that has different puncture angle requirements, puncture supporter of the present utility model also can be in the graphics plane of fixture and/or the plane of delineation set up angle bearing outward.Puncture needle guiding device is arranged on corresponding angle bearing, by angle bearing, provides a plurality of puncture angles.This angle bearing can adopt various angle adjustment mechanism existing, well known to those skilled in the art to realize.

In addition, in different embodiment of the present utility model, for the situation that has different puncture needle specification demands, puncture supporter of the present utility model can adopt the puncture needle guiding device of the puncture needle tray with the adaptive different puncture needle specifications of self adaptation, and the puncture needle that also can be applicable to by changing the puncture needle tray of different sizes different-diameter is used.

The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a puncture supporter, comprise fixture, it is characterized in that, described fixture is provided with at least one first puncture needle guiding device of biopsy needle guide inserting needle in the plane of delineation of ultrasonic probe and at least one second puncture needle guiding device of biopsy needle guide optional position inserting needle outside the plane of delineation.

2. puncture supporter according to claim 1, is characterized in that, any side at described fixture epigraph plane place is provided with described the first puncture needle guiding device.

3. puncture supporter according to claim 1, is characterized in that, the both sides at described fixture epigraph plane place are respectively equipped with described the first puncture needle guiding device.

4. according to the puncture supporter described in any one in claim 1-3, it is characterized in that, in described fixture, perpendicular to the plane of delineation and any side by plane of delineation symmetrical center line, be provided with described the second puncture needle guiding device.

5. according to the puncture supporter described in any one in claim 1-3, it is characterized in that, in described fixture, perpendicular to the plane of delineation and the both sides by plane of delineation symmetrical center line, be respectively equipped with described the second puncture needle guiding device.

6. puncture supporter according to claim 1, it is characterized in that, in described fixture, corresponding to described the first puncture needle guiding device and the second puncture needle guiding device, be respectively equipped with the angle of a plurality of puncture angles bearing is provided, described the first puncture needle guiding device and the second puncture needle guiding device are installed on respectively on corresponding angle bearing.

7. puncture supporter according to claim 1, it is characterized in that, described the first puncture needle guiding device and the second puncture needle guiding device are respectively extended the first pin bootstrap block and the second pin bootstrap block described fixture, on described the first pin bootstrap block and the second pin bootstrap block, offer respectively puncture needle tray.

8. puncture supporter according to claim 7, is characterized in that, opening one side of described puncture needle tray is provided with the first elastic wall and the second elastic wall relatively, and the gap between described the first elastic wall and the second elastic wall is less than the diameter of puncture needle.

9. puncture supporter according to claim 1, is characterized in that, is also provided with the assembly structure coordinating with ultrasonic probe in described fixture.