CN113198954A

CN113198954A - Puncture needle processing tool

Info

Publication number: CN113198954A
Application number: CN202110485947.6A
Authority: CN
Inventors: 裴燕
Original assignee: Changzhou Jingmeite Precision Tool Co ltd
Current assignee: Changzhou Jingmeite Precision Tool Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-08-03
Anticipated expiration: 2041-04-30
Also published as: CN113198954B

Abstract

The invention relates to the technical field of medical instrument processing equipment, in particular to a puncture needle processing tool, which comprises: the first base is horizontally arranged, and the puncture needle is vertical to the first base; the base blocks are fixedly arranged on the first base, the base blocks are wound along the direction perpendicular to the length extension direction of the puncture needle, and the puncture needle is positioned between the base blocks; each processing block is connected with one of the base blocks in a sliding mode, the processing blocks move close to or far away from the puncture needle relative to the base blocks, and a plurality of bulges are arranged at one end, close to the puncture needle, of each processing block along the length extension direction of the puncture needle; and the impact assembly is arranged at one end of the processing block, which is far away from the puncture needle, the processing block moves towards the direction close to the puncture needle, and the protrusion is contacted with the outer surface of the puncture needle and forms a pit on the outer surface of the puncture needle. According to the invention, the operation of rotating, clamping and reprocessing the puncture needle in conventional processing is omitted, the processing can be completed only by impacting the processing block through the impact assembly, the processing is rapid, and the processing cost is saved.

Description

Puncture needle processing tool

Technical Field

The invention relates to the technical field of medical instrument processing equipment, in particular to a puncture needle processing tool.

Background

In the medical field, when a part of a human body is collected or a nerve is to be accurately found in order to diagnose a lesion, a puncture needle (biopsy needle or insulated electrode needle) is used to puncture the human body. At this time, it is necessary to accurately grasp the position of the puncture needle, particularly the position of the distal end portion, and therefore, the ultrasonic diagnostic apparatus is used to perform the puncture while confirming the ultrasonic echo from the distal end portion of the puncture needle under an image, thereby accurately grasping whether or not the distal end of the puncture needle has reached the lesion site.

In the prior art, a plurality of specific pits are processed at the front end of the puncture needle to reflect ultrasonic waves, when the pits are processed, one direction of the puncture needle needs to be clamped, then the pits in the other direction need to be processed, the puncture needle needs to be rotated and then clamped, all the pits are processed, the processing time is long, and the puncture needle is high in cost.

In view of the above problems, the designer is actively researched and innovated based on the practical experience and professional knowledge of the engineering application of the products for many years and the application of the theory, so as to create a puncture needle processing tool, which is more practical.

Disclosure of Invention

The invention provides a puncture needle processing tool, so that the problems in the background technology are effectively solved.

In order to achieve the purpose, the invention adopts the technical scheme that: a puncture needle processing tool comprises:

the puncture needle comprises a first base, a second base and a third base, wherein the first base is horizontally arranged, and the puncture needle is vertical to the first base;

the base blocks are fixedly arranged on the first base, the base blocks are wound along the direction perpendicular to the length extension direction of the puncture needle, and the puncture needle is positioned among the base blocks;

each processing block is connected with one of the base blocks in a sliding mode, the processing blocks move close to or far away from the puncture needle relative to the base blocks, and a plurality of bulges are arranged at one end, close to the puncture needle, of each processing block along the length extension direction of the puncture needle;

the impact assembly is arranged at one end, far away from the puncture needle, of the processing block, the impact assembly impacts the processing block, the processing block moves towards the direction close to the puncture needle, and the protrusion is in contact with the outer surface of the puncture needle and forms a pit on the outer surface of the puncture needle.

Further, the impact assembly includes:

the rotating blocks are rotatably connected with the first base, two ends of each rotating block at least partially protrude out of the first base, and the rotating blocks rotate by taking the horizontal direction as an axis;

each impact head is fixedly arranged at one end, close to the machining block, of one rotating block and is horizontally arranged, and when the rotating blocks rotate, each impact head is close to or far away from one machining block;

and the lifting device is connected with the other end of each rotating block, which is provided with the impact head, and is matched with the rotating block to drive the rotating block to rotate when the lifting device moves along the vertical direction.

Further, the lifting device includes:

the second base is horizontally arranged and is positioned at the lower end of the first base, and a space is formed between the second base and the first base;

the connecting shaft is perpendicular to the first base and the second base and fixedly connected with the first base and the second base;

the lifting seat is arranged between the first base and the second base, is connected with the connecting shaft in a sliding mode and slides in the vertical direction, and the rotating blocks are matched with the lifting seat;

the driving cam is arranged at one end, close to the lifting seat, of the second base, the driving cam is matched with the lifting seat, and when the driving cam rotates, the lifting seat is pushed to move up and down along the vertical direction.

Furthermore, the other end of the rotating block, which is provided with the impact head, is provided with a connecting block, one end of the connecting block is rotatably connected with the rotating block, the other end of the connecting block is rotatably connected with the lifting seat, when the lifting seat moves upwards, the other end of the rotating block, which is provided with the impact head, is pushed to one end far away from the extension direction of the length of the puncture needle by the connecting block, the rotating block rotates, and the impact head moves towards the direction close to the puncture needle and impacts with the processing block.

Furthermore, a pushing block is arranged on the lifting seat, an inclined surface is arranged at the other end, provided with the impact head, of the rotating block, the pushing block is matched with the inclined surface, when the pushing block moves upwards, the pushing block is matched with the inclined surface, the other end, provided with the impact head, of the rotating block is pushed to one end, away from the length extension direction of the puncture needle, the rotating block rotates, and the impact head moves towards the direction close to the puncture needle and impacts with the processing block.

Further, the push block is a ball bearing which is rotatably arranged with the lifting seat, and the ball bearing rotates in the horizontal direction.

Further, a gap is formed between the impact head and the processing block.

Furthermore, the impact head and the rotating block can be adjusted, and the gap distance between the impact head and the processing block can be adjusted by adjusting the impact head.

Furthermore, the base blocks are provided with a convex block and a groove, and the convex block on one base block is matched with the groove on the other base block.

The invention has the beneficial effects that: according to the invention, the first base, the plurality of base blocks, the plurality of processing blocks and the impact assembly are arranged, each processing block is connected with one base block in a sliding manner and moves close to or far away from the puncture needle relative to the base block, the plurality of bulges are arranged at one end of the processing block close to the puncture needle, the impact assembly is arranged at one end of the processing block far away from the puncture needle to impact the processing block, so that the processing block and the outer surface of the puncture needle are impacted, the plurality of bulges are in contact with the outer surface of the puncture needle, and pits are formed on the outer surface of the puncture needle, the operation of rotating, clamping and reprocessing the puncture needle in conventional processing is omitted, the processing can be finished only by impacting the processing block through the impact assembly, the processing is quick, and the processing cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the puncture needle;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top view with one base block hidden;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of a structure in which one base block and one processing block are retained;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

FIG. 8 is a front view of example 1 of the present invention;

FIG. 9 is a side view of embodiment 1 with one of the impact assemblies retained;

FIG. 10 is a schematic structural view of example 1;

fig. 11 is a schematic structural view of embodiment 2.

Reference numerals: 1. a first base; 2. a base block; 21. a bump; 22. a groove; 3. processing the blocks; 31. a protrusion; 4. an impact assembly; 41. rotating the block; 411. connecting blocks; 412. a bevel; 42. a striking head; 43. a lifting device; 431. a second base; 432. a connecting shaft; 433. a lifting seat; 4331. a push block; 434. a drive cam; 5. puncturing needle; 51. and (4) pits.

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.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1 to 10: a puncture needle processing tool comprises:

the puncture needle comprises a first base 1, a second base 1 and a third base, wherein the first base 1 is horizontally arranged, and a puncture needle 5 is vertical to the first base 1;

the puncture needle comprises a plurality of base blocks 2, a plurality of base blocks 2 and a plurality of fixing parts, wherein the base blocks 2 are fixedly arranged on a first base 1, the base blocks 2 are wound along a direction perpendicular to the length extension direction of a puncture needle 5, and the puncture needle 5 is positioned among the base blocks 2;

the processing blocks 3 are connected with one base block 2 in a sliding mode, the processing blocks 3 move close to or far away from the puncture needle 5 relative to the base block 2, and a plurality of protrusions 31 are arranged at one end, close to the puncture needle 5, of the processing blocks 3 in the length extending direction of the puncture needle 5;

and the impact assembly 4 is arranged at one end of the processing block 3 far away from the puncture needle 5, the impact assembly 4 impacts the processing block 3, the processing block 3 moves towards the direction close to the puncture needle 5, and the bulge 31 is contacted with the outer surface of the puncture needle 5 and forms a pit 51 on the outer surface of the puncture needle 5.

Through setting up first base 1, a plurality of base blocks 2, a plurality of processing piece 3 and striking subassembly 4, every

processing piece

3 and 2 sliding connection of a base block, and be close to or keep away from pjncture needle 5 motion about base block 2, processing piece 3 is provided with a plurality of archs 31 in the one end that is close to pjncture needle 5, striking subassembly 4 sets up the one end of keeping away from pjncture needle 5 at processing piece 3, strike processing piece 3, thereby processing piece 3 strikes with pjncture needle 5 surface, a plurality of

archs

31 and 5 surface contact of pjncture needle, and at 5 surface formation pit 51 of pjncture needle, in having removed conventional processing, carry out the operation of rotatory clamping reprocessing with pjncture needle 5, only need to strike processing piece 3 through striking subassembly 4, can accomplish processing, processing is quick, and the processing cost is saved.

In the present embodiment, the striker assembly 4 includes:

the plurality of rotating blocks 41 are rotatably connected with the first base 1, two ends of each rotating block 41 at least partially protrude out of the first base 1, and the rotating blocks 41 rotate by taking the horizontal direction as an axis;

each impact head 42 is fixedly arranged at one end, close to the machining block 3, of one rotating block 41, each impact head 42 is horizontally arranged, and when the rotating blocks 41 rotate, each impact head 42 is close to or far away from one machining block 3;

and the lifting device 43, wherein the lifting device 43 is connected with the other end of each rotating block 41, which is provided with the impact head 42, and when the lifting device 43 moves along the vertical direction, the lifting device 43 is matched with the rotating block 41 to drive the rotating block 41 to rotate.

By arranging a plurality of rotating blocks 41 and a plurality of impacting heads 42, each rotating block 41 is provided with one impacting head 42, each impacting head 42 corresponds to one processing block 3, by arranging a lifting device 43, the lifting device 43 is connected with the other end of each rotating block 41, which is provided with the impacting head 42, when the lifting device 43 moves along the vertical direction, the lifting device 43 is matched with the rotating block 41 to drive the rotating block 41 to rotate, so as to realize the impact, and because each processing block 3 is simultaneously impacted with the puncture needle 5, all pits 51 on the surface of the puncture needle 5 are simultaneously processed, the processing time and the processing cost are greatly reduced, when the processing block 3 is impacted with the surface of the puncture needle 5, the impact force is the same, the time is the same, the balance of the puncture needle 5 under the force at the impact moment is ensured, so that when the pits 51 in a certain direction are processed is avoided, the puncture needle 5 is deformed by collision, the processing effect is good, the coaxiality of the puncture needle 5 is ensured, the accuracy of the position of the pit 51 on the surface of the puncture needle 5 is ensured, and the product quality is high.

As a preferable example of the above embodiment, the lifting device 43 includes:

the second base 431 is horizontally arranged and is positioned at the lower end of the first base 1, and a space is formed between the second base 431 and the first base 1;

the connecting shaft 432 is perpendicular to the first base 1 and the second base 431, and the connecting shaft 432 is fixedly connected with the first base 1 and the second base 431;

the lifting seat 433, the lifting seat 433 is set up between the first base 1 and the second base 431, the lifting seat 433 is connected with the connecting shaft 432 in a sliding manner, and slides with respect to the vertical direction, the plurality of rotating blocks 41 are matched with the lifting seat 433;

and the driving cam 434 is arranged at one end of the second base 431 close to the lifting seat 433, and the driving cam 434 is matched with the lifting seat 433 and pushes the lifting seat 433 to move vertically when the driving cam 434 rotates.

Through setting up second base 431, connecting axle 432, seat 433 and drive cam 434 lift seat 433 and connecting axle 432 sliding connection, drive cam 434 sets up the one end that is close to seat 433 at second base 431 and mutually supports with seat 433, thereby when drive cam 434 is rotatory, seat 433 goes up and down owing to gravity and the holding power that drive cam 434 provided, go back and forth between first base 1 and second base 431 and go up and down, only need control drive cam 434's rotation rate and puncture needle 5's feed rate, can seamless processing, machining efficiency is higher.

In this embodiment, a pushing block 4331 is disposed on the lifting seat 433, an inclined surface 412 is disposed at the other end of the rotating block 41 where the impact head 42 is disposed, the pushing block 4331 is engaged with the inclined surface 412, when the pushing block 4331 moves upward, the pushing block 4331 is engaged with the inclined surface 412, the other end of the rotating block 41 where the impact head 42 is disposed is pushed to one end far away from the length extension direction of the puncture needle 5, the rotating block 41 rotates, and the impact head 42 moves in the direction close to the puncture needle 5 and collides with the processing block 3.

Because the up-and-down movement of the lifting seat 433 needs to be converted into the rotation power of the rotating seat, the pushing block 4331 is arranged on the lifting seat 433, the inclined surface 412 is arranged on the rotating block 41, the pushing block 4331 is matched with the inclined surface 412, when the pushing block 4331 moves upwards, the pushing block 4331 is matched with the inclined surface 412, the other end of the rotating block 41, which is provided with the impact head 42, is pushed to one end far away from the length extension direction of the puncture needle 5, the rotating block 41 rotates, the impact head 42 moves towards the direction close to the puncture needle 5 and impacts with the processing block 3, so that the force transmission is ensured, and the impact effect on the processing block 3 is better.

As a preferable example of the above embodiment, the pushing block 4331 is a ball bearing rotatably provided to the elevating base 433, and the ball bearing rotates in a horizontal direction.

Through setting up the ejector pad 4331 as ball bearing, ball bearing is rotatory with the horizontal direction to sliding friction between ejector pad 4331 and inclined plane 412 changes rolling friction into, has reduced friction pack, thereby has reduced energy loss, has guaranteed the energy when striking, has reduced manufacturing cost.

In this embodiment, the impact head 42 includes a gap with the processing block 3.

Through setting up a clearance between striking head 42 and processing piece 3 to when turning block 41 is rotatory, rotatory certain angle earlier has increased the rotational speed, has guaranteed to strike head 42 when striking processing piece 3, carries more kinetic energy, and the striking effect is better. And after the impact head 42 impacts the processing block 3, due to the gravity action of the lifting seat 433, the lifting seat 433 can automatically descend, so that the impact head 42 is far away from the processing block 3, at the moment, the processing block 3 can separate the processing block 3 from the puncture needle 5 due to the rebounding action force after impact, the interference of the attachment of the processing block 3 and the puncture needle 5 on the feeding and taking of the puncture needle 5 is prevented, the processing efficiency is increased, the residual energy after impact is utilized, the power for returning the processing block 3 is saved, and the processing cost is saved.

As a preferable mode of the above embodiment, the impact head 42 and the rotating block 41 are adjustably installed, and the gap distance between the impact head 42 and the processing block 3 is adjusted by adjusting the impact head 42.

In order to process the pits 51 with different depths, the impacting head 42 and the rotating hole are adjustably arranged, the gap distance between the impacting head 42 and the processing block 3 is adjusted by adjusting the impacting head 42, so that the processing tool is suitable for the pits 51 with different depths, and the pits 51 with different shapes are processed on the surface of the puncture needle 5 by replacing different processing blocks 3, so that the universality is increased.

In the present embodiment, the base blocks 2 are provided with a projection 21 and a groove 22, and the projection 21 on one base block 2 is matched with the groove 22 on the other base block 2.

Although the base block 2 is fixed on the first base 1, the base block 2 can be shifted in the continuous impact, and the projections 21 and the grooves 22 are arranged on the base blocks 2, the projections 21 on one base block 2 are matched with the grooves 22 on the other base block 2, so that the base blocks 2 are clamped with each other, the base blocks 2 are prevented from being shifted after the production time is long, and the accuracy of the position of the concave pit 51 on the surface of the puncture needle 5 is ensured.

Example 2:

as shown in fig. 11: different from the embodiment 1, the rotating block 41 is provided with a connecting block 411 at the other end provided with the impact head 42, one end of the connecting block 411 is rotatably connected with the rotating block 41, the other end is rotatably connected with the lifting seat 433, when the lifting seat 433 moves upwards, the connecting block 411 pushes the other end of the rotating block 41 provided with the impact head 42 to one end far away from the length extension direction of the puncture needle 5, the rotating block 41 rotates, and the impact head 42 moves towards the direction close to the puncture needle 5 and impacts with the processing block 3.

Through setting up connecting block 411, connecting block 411 one end is rotated with turning block 41 and is connected, and the other end rotates with lift seat 433 and is connected, and when lift seat 433 upward movement, connecting block 411 is provided with the other end that hits head 42 with turning block 41 and promotes to the one end of keeping away from 5 length extending direction of pjncture needle, and turning block 41 rotates, and hit head 42 to the direction motion that is close to pjncture needle 5 to with the striking of processing piece 3, simple structure is reliable, has saved manufacturing cost.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pjncture needle processing frock which characterized in that includes:

the puncture needle comprises a first base (1), wherein the first base (1) is horizontally arranged, and a puncture needle (5) is vertical to the first base (1);

the base blocks (2) are fixedly arranged on the first base (1), the base blocks (2) are wound along a direction perpendicular to the length extension direction of a puncture needle (5), and the puncture needle (5) is positioned among the base blocks (2);

the processing blocks (3) are connected with one of the base blocks (2) in a sliding mode, the processing blocks (3) move close to or far away from the puncture needle (5) relative to the base blocks (2), and a plurality of protrusions (31) are arranged at one end, close to the puncture needle (5), of the processing blocks (3) along the length extension direction of the puncture needle (5);

striking subassembly (4), striking subassembly (4) set up the one end that pjncture needle (5) were kept away from in processing piece (3), striking subassembly (4) are right processing piece (3) are strikeed, processing piece (3) are to the direction motion that is close to pjncture needle (5), protruding (31) and pjncture needle (5) surface contact and form pit (51) at pjncture needle (5) surface.

2. The needle machining tool according to claim 1, characterized in that the striker assembly (4) comprises:

the plurality of rotating blocks (41) are rotatably connected with the first base (1), two ends of each rotating block (41) at least partially protrude out of the first base (1), and the rotating blocks (41) rotate by taking the horizontal direction as an axis;

the plurality of impact heads (42), each impact head (42) is fixedly arranged at one end of one rotating block (41) close to the processing block (3), the impact heads (42) are horizontally arranged, and when the rotating blocks (41) rotate, each impact head (42) is close to or far away from one processing block (3);

the lifting device (43) is connected with the other end, provided with the impact head (42), of each rotating block (41), and when the lifting device (43) moves in the vertical direction, the lifting device (43) is matched with the rotating blocks (41) to drive the rotating blocks (41) to rotate.

3. The puncture needle machining tool according to claim 2, wherein the lifting device (43) comprises:

the second base (431), the said second base (431) sets up horizontally, and locate at the said first base (1) lower end, include a interval between said first base (1) and the said second base (431);

a connecting shaft (432), the connecting shaft (432) being perpendicular to the first base (1) and the second base (431), the connecting shaft (432) fixedly connecting the first base (1) and the second base (431);

the lifting seat (433) is arranged between the first base (1) and the second base (431), the lifting seat (433) is connected with the connecting shaft (432) in a sliding mode and slides in the vertical direction, and the rotating blocks (41) are matched with the lifting seat (433);

the driving cam (434) is arranged at one end, close to the lifting seat (433), of the second base (431), the driving cam (434) is matched with the lifting seat (433), and when the driving cam (434) rotates, the lifting seat (433) is pushed to move vertically.

4. The puncture needle machining tool according to claim 3, wherein the rotating block (41) is provided with a connecting block (411) at the other end provided with the impact head (42), one end of the connecting block (411) is rotatably connected with the rotating block (41), the other end of the connecting block is rotatably connected with the lifting seat (433), when the lifting seat (433) moves upwards, the connecting block (411) pushes the other end of the rotating block (41) provided with the impact head (42) to one end far away from the length extension direction of the puncture needle (5), the rotating block (41) rotates, and the impact head (42) moves towards the direction close to the puncture needle (5) and collides with the machining block (3).

5. The puncture needle machining tool according to claim 3, wherein a push block (4331) is arranged on the lifting seat (433), an inclined surface (412) is arranged at the other end of the rotating block (41) where the impact head (42) is arranged, the push block (4331) is matched with the inclined surface (412), when the push block (4331) moves upwards, the push block (4331) is matched with the inclined surface (412), the other end of the rotating block (41) where the impact head (42) is arranged is pushed to one end far away from the length extension direction of the puncture needle (5), the rotating block (41) rotates, and the impact head (42) moves towards the direction close to the puncture needle (5) and collides with the machining block (3).

6. The puncture needle machining tool according to claim 5, wherein the push block (4331) is a ball bearing rotatably arranged with the lifting base (433), and the ball bearing rotates in a horizontal direction.

7. Puncture needle machining tool according to any one of claims 2 to 6, characterized in that a gap is included between the striking head (42) and the machining block (3).

8. The puncture needle machining tool according to claim 7, wherein the impact head (42) and the rotating block (41) are adjustably arranged, and the gap distance between the impact head (42) and the machining block (3) is adjusted by adjusting the impact head (42).

9. A puncture needle machining tool according to any one of claims 1 to 6, characterized in that the base blocks (2) are provided with a projection (21) and a groove (22), and the projection (21) on one base block (2) is matched with the groove (22) on the other base block (2).