CN211243625U

CN211243625U - Ultrasonic probe puncture frame and self-adaptive puncture needle guider

Info

Publication number: CN211243625U
Application number: CN201921858105.5U
Authority: CN
Inventors: 陈宜兵
Original assignee: Suzhou Ampro Medical Apparatus And Instruments Co ltd
Current assignee: Suzhou Ampro Medical Apparatus And Instruments Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-14
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to an ultrasonic probe puncture frame and self-adaptation pjncture needle director, including first needle file, second needle file, location portion, adjusting part and spring, the second needle file sets up in first needle file top, and the second needle file sets up in location portion, adjusting part passes location portion and is connected with the second needle file, the spring housing is established on adjusting part, and the spring setting supports in location portion and leans on the second needle file. The ultrasonic probe puncture frame and the self-adaptive puncture needle guider of the utility model are convenient for installing the puncture needle, can realize gapless and gapless puncture, and are more flexible to use; the adjusting assembly can be locked through rotation of the locking block, so that the safety in the use process is improved; in addition, the angle of the guider can be conveniently adjusted, so that more positioning points can be arranged on the guider.

Description

Ultrasonic probe puncture frame and self-adaptive puncture needle guider

Technical Field

The utility model relates to the technical field of medical equipment, in particular to ultrasonic probe puncture frame and self-adaptation pjncture needle director.

Background

In clinical use, the puncture needle can be guided into a patient body to carry out interventional therapy through the matching of the ultrasonic probe image and the ultrasonic probe puncture frame, and the puncture needle is conveniently separated from the puncture frame. When the puncture device is used, the puncture frame is fixed on the ultrasonic probe and is provided with a guider which is used for guiding and positioning the puncture needle. The existing guider usually uses a separated needle seat or an adjustable integrated needle seat, different needle seats are adjusted or matched according to puncture needles with different sizes, and the range is limited, so that the needle seats are required to be frequently replaced or adjusted when the guider is used, and the operation convenience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art's problem, provide one kind can adapt to different pjncture needles automatically, can realize gapped or zero clearance puncture's ultrasonic probe puncture frame self-adaptation pjncture needle director.

The specific technical scheme is as follows: the utility model provides a self-adaptation pjncture needle director, includes first needle file, second needle file, location portion, adjusting part and spring, the second needle file sets up in first needle file top, and the second needle file sets up in location portion, adjusting part passes location portion and is connected with the second needle file, the spring housing is established on adjusting part, and the spring setting supports in location portion and supports and lean on the second needle file.

The following is the attached technical proposal of the utility model.

Furthermore, the adjusting component comprises a screw cap and a screw rod, the screw cap is sleeved on the screw rod, the screw cap is in threaded connection with the screw rod, and one end of the screw rod is connected with the second needle seat.

Further, the end of the screw rod is provided with an annular part.

Furthermore, a locking device is arranged on the side surface of the adjusting component, and when the locking device is located at a locking position, the nut is locked; the locking device is in the release position and the nut is released.

Further, locking device includes pivot and locking block, and the pivot setting is on location portion, the locking block cover is established in the pivot and revolutes the pivot and rotate, and the locking block has spacing portion, and when the nut was locked, spacing portion was located the nut top, and when the nut released, spacing portion was located the nut side.

Furthermore, location portion and first needle seat are connected through the pivot, are equipped with the torsional spring in the pivot.

Further, ultrasonic probe puncture frame self-adaptation pjncture needle director includes angle adjustment mechanism, and angle adjustment mechanism includes the support, the angle setting element with join in marriage the piece, support and first needle file pivot connection, the support is equipped with the regulation hole, is equipped with first constant head tank in the regulation hole, and first constant head tank has a plurality ofly, join in marriage the piece and set up in first needle file, join in marriage the piece and be equipped with the joining in marriage the hole, join in marriage and be equipped with the second constant head tank in the hole, and angle setting element slidable ground sets up in joining in marriage hole and regulation hole, and the angle setting element is equipped with the stopper, and the stopper corresponds the setting with first constant head tank and.

Furthermore, angle adjustment mechanism includes elastic component and angle adjusting part, the elastic component cover is established on the angle setting element, and the angle setting element is connected with the angle adjusting part.

Furthermore, angle modulation spare both ends are equipped with first gasket and second gasket, and the elastic component setting is in angle modulation spare and is leaned on first gasket.

The utility model provides an ultrasonic probe puncture frame, includes the support frame, is equipped with the director on the support frame, the director is among the above-mentioned technical scheme.

The technical effects of the utility model: the ultrasonic probe puncture frame and the self-adaptive puncture needle guider of the utility model are convenient for installing the puncture needle, can realize gapless and gapless puncture, and are more flexible to use; the adjusting assembly can be locked through rotation of the locking block, so that the safety in the use process is improved; in addition, the angle of the guider can be conveniently adjusted, so that more positioning points can be arranged on the guider.

Drawings

Fig. 1 is a schematic view of a puncture rack according to an embodiment of the present invention.

Fig. 2 is a partial sectional view of an adaptive puncture needle guide for an ultrasound probe puncture frame according to an embodiment of the present invention.

Fig. 3 is an exploded view of an adaptive puncture needle guide of an ultrasound probe puncture frame according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of an adaptive puncture needle guide for an ultrasound probe puncture rack according to an embodiment of the present invention.

Fig. 5 is a schematic view of a locking device according to an embodiment of the invention in a release position.

Detailed Description

The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.

As shown in fig. 1 to 5, the adaptive puncture needle guide of the present embodiment is disposed on an ultrasound probe puncture frame, and the adaptive puncture needle guide 100 includes a first needle seat 1, a second needle seat 2, a positioning portion 3, an adjusting component 4 and a spring 5, wherein the second needle seat 2 is disposed above the first needle seat 1, the second needle seat 2 is disposed on the positioning portion 3, the adjusting component 4 passes through the positioning portion 3 and is connected with the second needle seat 2, the spring 5 is sleeved on the adjusting component 4, and the spring 5 is disposed in the positioning portion 3 and abuts against the second needle seat 2. In the above technical scheme, the puncture needle 10 is inserted between the first needle seat 1 and the second needle seat 2, and the second needle seat 2 can be contacted with the puncture needle 10 by the elasticity of the spring 5, so that the puncture needle is positioned. By adopting the technical scheme, puncture needles with different sizes can be inserted and positioned, and the puncture needle can be suitable for puncture needles or catheters with the diameter less than or equal to 4 mm; in addition, the operation is convenient, and the puncture needle can be conveniently arranged in the guider in a penetrating way. In the present embodiment, one end of the spring is accommodated in the boss 32 of the positioning portion 3.

In this embodiment, the adjusting assembly 4 includes a nut 41 and a screw rod 42, the nut 41 is sleeved on the screw rod 42, the nut 41 is in threaded connection with the screw rod 42, and one end of the screw rod 42 is connected with the second needle holder 2. Through the technical scheme, the screw rod 42 can move up and down by rotating the nut 41, so that the position of the second needle seat 2 is adjusted, the distance between the first needle seat 1 and the second needle seat 2 is adjusted, and gap or zero-gap puncture can be realized. The puncture with the clearance, namely the clearance is reserved between the second needle stand 2 and the puncture needle after the puncture needle is inserted, thereby being convenient for the doctor to adjust by oneself when in use; the second needle seat 2 and the puncture needle have no clearance after the puncture needle is inserted.

In this embodiment, the end of the screw rod 42 is provided with a ring 421, so that the nut can be prevented from falling off from one end of the screw rod.

In this embodiment, a locking device 6 is disposed on a side surface of the adjusting assembly 4, and when the locking device 6 is located at a locking position (as shown in fig. 4), the nut 41 is locked; the locking device is in the release position (as shown in fig. 5) and the nut 41 is released. Through the technical scheme, when the guider is used, the nut 41 can be locked through the locking device 6, and the phenomenon that the movement of the nut influences the use of the puncture needle is avoided. When adjustment by operating the nut 41 is required, the locking device 6 is adjusted to the release position so that the nut can be turned.

In this embodiment, the locking device 6 includes a rotating shaft 61 and a locking block 62, the rotating shaft 61 is disposed on the positioning portion 3, and the locking block 62 is sleeved on the rotating shaft 61 and rotates around the rotating shaft. The locking block 62 has a limiting portion 621, when the nut is locked, the limiting portion is located above the nut, and when the nut is released, the limiting portion is located on the side surface of the nut. Through the technical scheme, the locking block 62 can rotate through the rotating shaft 61, and therefore switching between the locking position and the releasing position is achieved.

In this embodiment, the positioning portion 3 and the first needle holder 1 are connected through a rotating shaft 11, and a torsion spring 12 is disposed on the rotating shaft 11. In this embodiment, the positioning portion 3 has an operating handle 31, and by pulling the operating handle 31, the positioning portion 3 can rotate around the rotating shaft 11, so as to separate the first needle seat 1 from the second needle seat 2; when the operating handle 31 is released, the elastic force of the torsion spring 12 resets the positioning part 3, so that the first needle holder 1 and the second needle holder 2 are folded. Through the technical scheme, a user can rotate the positioning part 3 by pulling the operating handle, so that the second needle seat 2 is separated from the first needle seat 1, the guider can be separated from the puncture needle, and the needle frame separating function is realized.

In this embodiment, the adaptive puncture needle guide 100 includes an angle adjusting mechanism 7, the angle adjusting mechanism 7 includes a bracket 71, an angle positioning element 72 and an adapting block 73, the bracket 71 is connected to the first needle holder 1 through a pivot 9, the bracket 71 is provided with an adjusting hole 711, the adjusting hole 711 is provided with a first positioning groove 712, and the first positioning groove 712 is provided with a plurality of first positioning grooves. The adapting block 73 is disposed on the first needle base 1, the adapting block 73 is provided with an adapting hole 731, a second positioning slot 732 is disposed in the adapting hole 731, the angle positioning member 72 is slidably disposed in the adapting hole 731 and the adjusting hole 711, the angle positioning member 72 is provided with a limiting block 721, and the limiting block 721 is disposed corresponding to the first positioning slot 712 and the second positioning slot 732. In the technical scheme, the angle of the guider can be adjusted by arranging the angle adjusting mechanism 7, so that the puncture needle is inosculated with a guide wire in the ultrasonic machine. During the angle adjustment, the limiting block 721 is separated from the first positioning groove by the movement of the angle positioning element 72, so that the angle positioning element 72 can move in the adjusting hole 711, and at this time, the limiting block 721 is located in the second positioning groove 732, thereby driving the first needle holder 1 to rotate. When the angle of the guide is adjusted, the stopper 721 is engaged with the first positioning groove 712, thereby positioning the guide. Through the technical scheme, the size of the first positioning groove can be reduced, and more first positioning grooves can be arranged on the same length, so that more positioning points are provided.

In this embodiment, the angle adjusting mechanism 7 includes an elastic member 74 and an angle adjusting member 75, the elastic member 74 is sleeved on the angle positioning member, and the angle positioning member is connected with the angle adjusting member. The angle adjusting member 75 is operated by pressing the angle, and the angle positioning member 72 is driven to move axially, so that the stopper 721 slides, and the stopper 721 is disengaged from the first positioning groove. By providing the elastic member 74, the angle adjusting member 75 can be reset by the elastic force of the elastic member 74, and the guide can be locked. In this embodiment, the angle adjusting member 75 is screwed to the angle positioning member 72, and the elastic member is a spring.

In this embodiment, a first gasket 76 and a second gasket 77 are disposed at two ends of the angle adjusting member 75, the elastic member 74 is disposed in the angle adjusting member 75 and abuts against the first gasket 76, the first gasket 76 contacts with one end of the elastic member, and the second gasket 77 is fixed at the end of the rod of the angle adjusting member 75 to limit the angle adjusting member. In this embodiment, the angle adjusting member 75 is a nut, the angle positioning member 72 is a bolt, and when adjusting, the angle adjusting member 75 is rotated first, so that a gap is formed between the angle adjusting member and the bracket, and then the angle adjusting member 75 is pressed, so that the angle positioning member moves axially, and then the adjustment position is started. After the adjustment is completed, the angle positioning member 72 is locked by the rotation angle adjusting member 75, so that the angle positioning member 72 cannot move, and the shaking during the use process is avoided.

An ultrasonic probe puncture frame 200 comprises a support frame 8, wherein a guider 100 is arranged on the support frame 8, and the guider is the self-adaptive puncture needle guider of the ultrasonic probe puncture frame in the embodiment. The puncture holder 200 is provided on the ultrasonic probe 300 through the support frame 8. In this embodiment, the supporting frame 8 and the bracket 71 are integrally disposed.

The ultrasonic probe puncture frame and the self-adaptive puncture needle guider are convenient for installation of a puncture needle, can realize gapless and gapless puncture, and are more flexible to use; the adjusting assembly can be locked through rotation of the locking block, so that the safety in the use process is improved; in addition, the angle of the guider can be conveniently adjusted, so that more positioning points can be arranged on the guider.

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a self-adaptation pjncture needle director which characterized in that, includes first needle file, second needle file, location portion, adjusting part and spring, the second needle file sets up in first needle file top, and the second needle file sets up in location portion, adjusting part passes location portion and is connected with the second needle file, the spring housing is established on adjusting part, and the spring setting supports in location portion and leans on the second needle file.

2. The adaptive puncture needle guide of claim 1, wherein the adjustment assembly comprises a nut and a screw, the nut being disposed on the screw, the nut being threadably coupled to the screw, one end of the screw being coupled to the second hub.

3. The adaptive puncture needle guide of claim 2, wherein the screw end is provided with a ring portion.

4. The adaptive needle guide of claim 3, wherein the adjustment assembly is flanked by locking means, the locking means being adapted to lock the nut when in the locked position; the locking device is in the release position and the nut is released.

5. The adaptive puncture needle guide of claim 4, wherein the locking device comprises a rotating shaft and a locking block, the rotating shaft is disposed on the positioning portion, the locking block is sleeved on the rotating shaft and rotates around the rotating shaft, the locking block has a limiting portion, when the nut is locked, the limiting portion is located above the nut, and when the nut is released, the limiting portion is located on the side surface of the nut.

6. The adaptive puncture needle guide of claim 1, wherein the positioning portion and the first needle holder are connected by a rotating shaft, and a torsion spring is provided on the rotating shaft.

7. The adaptive puncture needle guide according to claim 1, wherein the adaptive puncture needle guide comprises an angle adjustment mechanism, the angle adjustment mechanism comprises a support, an angle positioning element and a plurality of matching blocks, the support is pivotally connected to the first needle holder, the support is provided with an adjustment hole, a first positioning groove is formed in the adjustment hole, the first positioning grooves are provided, the matching blocks are arranged on the first needle holder, the matching blocks are provided with matching holes, second positioning grooves are formed in the matching holes, the angle positioning element is slidably arranged in the matching holes and the adjustment hole, the angle positioning element is provided with a limiting block, and the limiting block is arranged corresponding to the first positioning groove and the second positioning groove.

8. The adaptive puncture needle guide of claim 7, wherein the angle adjustment mechanism comprises an elastic member and an angle adjustment member, the elastic member is sleeved on the angle positioning member, and the angle positioning member is connected with the angle adjustment member.

9. The adaptive puncture needle guide of claim 8, wherein the angle adjuster has a first spacer and a second spacer disposed at opposite ends thereof, and the resilient member is disposed in the angle adjuster and abuts the first spacer.

10. An ultrasonic probe puncture frame, comprising a support frame, wherein a guider is arranged on the support frame, and the guider is the guider in any one of claims 1 to 9.