CN204446041U - A kind of puncture positioning guider of convenient operation - Google Patents

Abstract

The utility model discloses a kind of puncture positioning guider of convenient operation, it comprises: ring suction sucker, it is made up of annular top, circular bottom part, lateral wall, medial wall, annular top and lateral wall and medial wall form the open absorption annular groove in a lower end jointly, and the endoporus of circular bottom part is puncturing hole; Support tray, its main body ringwise, is fixed on the upside of annular top; Rotation disc, its ringwise and carried by Support tray, both are coaxial and can relatively rotate, and its upper surface is provided with an axle bed, is provided with rotating shaft in axle bed; Arched arm, its one end is through rotating shaft support, and the other end is then provided with the fairlead be rotationally connected.It is simple that it has structure, and compact conformation is easy to adjust, reduces venipuncture difficulty, improves puncture precision and efficiency, the advantages such as usability is strong.

Description

A kind of puncture positioning guider of convenient operation

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of puncture positioning guider of convenient operation.

Background technology

In clinical paracentesis, guide-localization and fixture have important function in clinical paracentesis.Existing such device is of a great variety, but complex clinical effect is all unsatisfactory, major drawbacks shows: (1) is due to when puncturing, according to the difference of puncture needle model, can be there is sagging and displacement in various degree in body puncture position, the change in location of this body surface often causes puncture needle precisely can not arrive desired location, and impact puncture effect, even cause puncture failure, but the generation of above-mentioned situation all can not be avoided or reduce to existing guide-localization and fixture; (2) function is comparatively single, often only can for guiding in piercing process, or only can for fixing after puncture completes, poor practicability; (3) need support by outside support, volume is large, support installing and regulate convenience poor, especially occupy larger space, and hinder the operation of operation, separately some supports through human body by bandage or some suckers, fixing not firm, easily displacement or slippage, poor stability; (4) structural design imperfection, is fixed rear inconvenience and carries out position adjustments, or position adjustments precision is low, troublesome poeration, affect guide-localization and fixed effect.

Utility model content

The purpose of this utility model is to provide a kind of reasonable in design, operate easy to adjust, the suitability is strong, can be used for various clinical paracentesis, guide-localization is can be used in piercing process, and prevent point of puncture pressurized from sinking or displacement, ensure the precision that punctures, and the puncture positioning guider of the convenient operation of fixed support can be provided when piercing assembly indwelling.

For realizing above-mentioned technical purpose, this utility model adopts following technical scheme:

A puncture positioning guider for convenient operation, it comprises:

Ring suction sucker, have between the upper and lower every annular top and circular bottom part, annular top internal diameter is greater than circular bottom part external diameter, the lateral wall that outwards downside extends is provided with outside annular top, medial wall is provided with between inside annular top and outside circular bottom part, circular bottom part is concordant with the lower surface of lateral wall, and annular top and lateral wall and medial wall form the open absorption annular groove in a lower end jointly, and the endoporus of circular bottom part is puncturing hole;

Support tray, its main body ringwise, to be fixed on the upside of annular top and both are coaxial, and its endoporus is not less than the endoporus of annular top;

Rotation disc, its ringwise and carried by Support tray, both are coaxial and can relatively rotate, its endoporus is not less than Support tray endoporus, and its upper surface is provided with an axle bed, is provided with rotating shaft in axle bed, this rotating shaft is parallel with rotation disc, and the projection on the rotating pan of the axis of rotating shaft is through the center of circle of rotation disc;

Arched arm, its one end is through rotating shaft support, and the other end is then provided with the fairlead be rotationally connected, the rotation axis of fairlead and shaft parallel, and the central axis of fairlead is positioned at same plane with the central axis of puncturing hole all the time.

This utility model has following beneficial effect: said apparatus is when clinical practice, absorption annular groove in produce negative pressure and with its on the downside of annular region in body surface tightly adsorb, play the object be fixed by this device on the one hand, then utilize absorption annular groove to the lift of body surface on the downside of it on the other hand, cause the body surface of circular bottom part to be in tensioned state and contact with circular bottom part closely, thus site of puncture in piercing process can be avoided to sink or be shifted, improve accuracy and the safety of puncture; The annexation of rotation disc, arched arm and fairlead, determine in the certain space of fairlead above puncturing hole and can be in optional position, and fairlead at an arbitrary position time its central axis all can be made through puncturing hole, in any case can guarantee that puncture needle angle inserting needle punctures thus, fairlead all can be it and provides guiding, positioning action accurately; After having punctured, utilize clip, puncture needle is fixedly connected with fairlead by rope band, fixation can be played when puncture needle indwelling.As can be seen here, the puncture positioning guider of convenient operation disclosed in this utility model, has structure simple, compact conformation, easy to adjust, reduces venipuncture difficulty, improves puncture precision and efficiency, the advantages such as usability is strong.

Accompanying drawing explanation

Fig. 1 is for ease of one of the puncture positioning guider axonometric chart of operation.

Fig. 2 is for ease of one of the puncture positioning guider axonometric chart of operation.

Fig. 3 is for ease of the puncture positioning guider cross-section figure of operation.

Fig. 4 is for ease of the operating diagram of the puncture positioning guider of operation.

Detailed description of the invention

As Figure 1-4, a kind of puncture positioning guider of convenient operation disclosed in this utility model, it is primarily of formations such as ring suction sucker 12, Support tray 11, rotation disc 4 and arched arms 7.Described ring suction sucker 12 have between the upper and lower every annular top 123 and circular bottom part 121, both central axis are overlapping, annular top 123 internal diameter is greater than circular bottom part 121 external diameter, the lateral wall 122 that outwards downside extends is provided with outside annular top 123, medial wall 124 is provided with between inside annular top 123 and outside circular bottom part 121, circular bottom part 121 is concordant with the lower surface of both lateral walls 122, annular top 123 forms the open absorption annular groove 125 in a lower end jointly with lateral wall 122 and medial wall 124, the endoporus of circular bottom part 121 is puncturing hole 5, for exposing the site of puncture of body surface 13, annular top 123 in ring suction sucker 12, circular bottom part 121, lateral wall 122 and medial wall 124 adopt elastomeric material one-body molded, ring suction sucker 12 is withheld when body surface 13 compresses downwards, portion gas in absorption annular groove 125 is discharged, when ring suction sucker 12 recovers deformation, negative pressure is produced in absorption annular groove 125, and be attached together with the body surface 13 be positioned on the downside of it, serve stable for ring suction sucker 12 object being fixed on body surface 13 on the one hand, body surface 13 in annular region on the downside of it is upwards lifted by negative pressure by absorption annular groove 125 on the other hand, the body surface 13 on the downside of circular bottom part 121 and puncturing hole 5 is caused to be in tensioned state, avoid utilizing puncture needle 14 when puncturing hole 5 punctures, there is depression or be subjected to displacement in the body surface 13 of site of puncture, reduce puncture deviation, ringwise, to be fixed on the upside of annular top 123 and both central axes, the endoporus of Support tray 11 is not less than the endoporus of annular top 123 to the main body of described Support tray 11, so that when carrying out puncture procedure, its endoporus can not cause obstruction to clinical manipulation, described rotation disc 4 ringwise and carried by Support tray 11, both central axes and can relatively rotating, the endoporus of rotation disc 4 is not less than the endoporus of Support tray 11, its upper surface is provided with an axle bed 9, rotating shaft 8 is provided with in axle bed 9, this rotating shaft 8 is parallel with rotation disc 4, and the projection of the axis of rotating shaft 8 on rotation disc 4 is through the center of circle of rotation disc 4, the described rotating shaft 8 of arched arm 7 one end in axle bed 9 supports, namely it can rotate along rotating shaft 8, the other end is then provided with the fairlead 6 be rotationally connected, the rotation axis of fairlead 6 is parallel with rotating shaft 8, the central axis of fairlead 6 is positioned at same plane with the central axis of puncturing hole 5 all the time, described axle bed 9 is installed on and enters line-locked positioning knob 10 to arched arm 7 position.

Said apparatus is when clinical practice, as shown in Figure 4: produce in (1) absorption annular groove 125 negative pressure and with its on the downside of annular region in body surface 13 tightly adsorb, due to suction function region ringwise, negative pressure gravitation is balanced, on the one hand ring suction sucker 12 can firm stable be fixed on body surface 13, for the miscellaneous part above it provides support, on the other hand then because the body surface 13 in an annular region on the downside of it is upwards lifted by negative pressure by absorption annular groove 125, circular bottom part 121 is caused to be in tensioned state with the body surface 13 on the downside of puncturing hole 5, thus site of puncture in piercing process can be avoided to sink or be shifted, improve accuracy and the safety of puncture, (2) through rotation scalable fairlead 6 position in the horizontal direction of rotation disc 4, through the position of rotation scalable fairlead 6 in the vertical direction of arched arm 7, in addition above-mentioned rotation disc 4, the position relationship of arched arm 7 and fairlead 6 three ensure that the central axis of fairlead 6 is positioned at same plane with the central axis of puncturing hole 5 all the time, and relative rotation can be there is with arched arm 7 in fairlead 6, thus ensure that fairlead 6 is in certain spatial dimension, its central axis regulates arbitrarily through the position in puncturing hole 5 situation, thus one, puncture needle 14 carries out arbitrarily angled, during any direction puncture, fairlead 6 all can be it and provides guide-localization, and the adjustment operation of fairlead 6 is convenient and swift, especially without the need to realizing position adjustments by shift(ing) ring suction sucker 12, (3) in piercing process, the puncture positioning guider of convenient operation can be puncture needle 14 provides guide-localization, after puncture completes, clip, rope band etc. can be utilized puncture needle 14 and fairlead 6 to be fixed, puncture needle 14 position is prevented to be shifted thus, simultaneously because fairlead 6 position can regulate arbitrarily, therefore puncture needle 14 can be fixed in arbitrarily angled, any direction.

As shown in Figure 3,4, rotation disc 4 is carried by Support tray 11, both central axes and can relatively rotating, concrete structure can adopt: the step cutting pattern 111 being provided with a circle epirelief on the upside of the inner circle of Support tray 11, rotation disc 4 is nested with outside step cutting pattern 111, and the plane of rotation between the two sets up wear ring.

Furthermore, as Fig. 1, 3, shown in 4, when adjusting in fairlead 6 position, unavoidably need to rotate rotation disc 4, for increasing the motility and accuracy that regulate, the outer wall of described rotation disc 4 is provided with the gear teeth, and the side of Support tray 11 is provided with an outward extending supporting plate 1, on the upside of this supporting plate 1, warp beam is fixed with a pinion 2, this pinion 2 engages with rotation disc 4, the upside of pinion 2 is fixed with concentric adjusting knob 3, meanwhile, for improving the stability that pinion 2 engages with rotation disc 4, the upside of Support tray 11 and both supporting plates 1 along outer rim be provided with a circle epirelief for providing protecting along 112 of protection to pinion 2 and rotation disc 4.

On the one hand, utilize adjusting knob 3 to carry out rotary pinion 2, pinion 2 can rotate by driven rotary dish 4 easily, and operate more convenient, and the anglec of rotation easily controls, precision is high; On the other hand, because pinion 2 is little compared with rotation disc 4 external diameter, adding man-hour can control ratio, makes pinion 2 driven rotary dish 4 comparatively easy, but rotation disc 4 drives pinion 2 to rotate comparatively requires great effort, and then makes pinion 2 pairs of rotation discs 4 have the effect of locking concurrently.

Again furthermore, as shown in Figure 4, can make to produce negative pressure in absorption annular groove 125 by ring suction sucker 12 natural resiliency and deformation, but when absorption annular groove 125 inner air output, is less, the negative pressure produced is less, absorption affinity is poor, hold time shorter, easily make this device from slippage body surface 13, adsorb annular groove 125 lift effect that body surface on the downside of it 13 is produced less simultaneously, be not enough to make the body surface 13 of site of puncture to tighten, do not have best anti-depression and anti-displacement effect, if and on ring suction sucker 12, connect negative pressure compensating device, then the problems referred to above can be overcome, therefore on the lateral wall 122 of ring suction sucker 12, be connected with a suction nozzle 126 communicated with absorption annular groove 125, this suction nozzle 126 is for being connected with aspirator.

Claims (1)

1. a puncture positioning guider for convenient operation, is characterized in that, it comprises:

Ring suction sucker, have between the upper and lower every annular top and circular bottom part, annular top internal diameter is greater than circular bottom part external diameter, the lateral wall that outwards downside extends is provided with outside annular top, medial wall is provided with between inside annular top and outside circular bottom part, circular bottom part is concordant with the lower surface of lateral wall, and annular top and lateral wall and medial wall form the open absorption annular groove in a lower end jointly, and the endoporus of circular bottom part is puncturing hole;

Support tray, its main body ringwise, to be fixed on the upside of annular top and both are coaxial, and its endoporus is not less than the endoporus of annular top;

Rotation disc, its ringwise and carried by Support tray, both are coaxial and can relatively rotate, its endoporus is not less than Support tray endoporus, and its upper surface is provided with an axle bed, is provided with rotating shaft in axle bed, this rotating shaft is parallel with rotation disc, and the projection on the rotating pan of the axis of rotating shaft is through the center of circle of rotation disc;

Arched arm, its one end is through rotating shaft support, and the other end is then provided with the fairlead be rotationally connected, the rotation axis of fairlead and shaft parallel, and the central axis of fairlead is positioned at same plane with the central axis of puncturing hole all the time.