CN109807582A - Metal needle assembling device - Google Patents

Abstract

The present invention provides a kind of metal needle assembling devices, comprising: takes needle unit, cache unit, assembling unit and conduit clamping unit, wherein described that needle unit is taken to remove metal needle to be assembled and rotate the metal needle to predetermined posture；After the cache unit removes rotation to the metal needle of the predetermined posture, the metal needle on the cache unit is removed and is moved to the direction of the conduit clamping unit until the metal needle to be inserted into the conduit to be assembled in the conduit clamping unit by the assembling unit.The present invention can be in the case where medical metal needle be without sheath, the automatic assembling for carrying out metal needle and conduit.Since all components do not touch the needle tubing part of metal needle, thus the damage of the needle tubing of metal needle is avoided, risk that is high-efficient and avoiding pollution improves work efficiency.

Description

Metal needle assembly device

technical field

The invention relates to the field of medical instruments, in particular to a metal needle assembly device.

Background technique

The assembly of medical metal needles, such as arteriovenous puncture needles of disposable infusion sets or blood collection needles of dialyzers, and catheters is generally performed manually, which is inefficient and has the risk of contamination. Especially when the medical metal needle is assembled with the catheter without the sheath, the medical metal needle is easy to penetrate the human skin, causing human injury or contamination of the medical metal needle.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a solution to at least solve the technical problems of low efficiency of manual assembly and the risk of pollution in the prior art, and the metal needle is easy to penetrate the human skin when assembled without a sheath, causing human injury or medical metal needle pollution. .

In order to achieve the above object, the present invention provides a metal needle assembly device, comprising: a needle taking unit, a buffer unit, an assembling unit and a catheter clamping unit, wherein the needle taking unit takes off the metal needle to be assembled and removes the The metal needle is rotated to a predetermined posture; after the buffer unit removes the metal needle rotated to the predetermined posture, the assembly unit removes the metal needle on the buffer unit and clamps it to the catheter The direction of the unit is moved until the metal needle is inserted into the catheter to be assembled on the catheter clamping unit.

Preferably, the needle taking unit includes a finger clip, a finger clip driving part and a rotating mechanism, the finger clip driving part drives the finger clip to clip or release the metal needle, and the rotating mechanism drives the finger clip to rotate to the predetermined posture.

Preferably, the needle taking unit further comprises a lift driving part for driving the finger clip to move up and down.

Preferably, the buffer unit includes a finger clip, a finger clip driving part, a lifting driving part and a horizontal sliding mechanism, the finger clip driving part drives the finger clip to clip or release the metal needle, and the lifting driving part drives the finger clip to clip or release the metal needle. The part drives the finger clip to move up and down, and the horizontal sliding mechanism drives the finger clip to move toward or away from the needle taking unit.

Preferably, the horizontal sliding mechanism includes a sliding block and a sliding driving part, the lifting driving part is provided on the sliding block, and the sliding driving part drives the sliding block to move horizontally.

Preferably, the assembling unit is arranged above the buffer unit.

Preferably, the assembling unit includes a finger clip, a finger clip driving part, and a driving part, the finger clip driving part drives the finger clip to clamp the metal needle on the buffer unit, and the driving part drives the finger clip The clamp is moved toward or away from the catheter clamping unit.

Preferably, the catheter holding unit is disposed on a side of the buffer unit away from the needle taking unit.

Preferably, the catheter clamping unit includes an upper catheter clamp, a lower catheter clamp, a catheter positioning finger clamp, and a finger clamp driving part, and the upper catheter clamp moves in the direction of the lower catheter clamp to clamp the catheter to be assembled , the finger clip driving part drives the catheter positioning finger clip to clamp the end of the catheter.

Preferably, the catheter clamping unit further includes a lift driving part for driving the catheter positioning finger to move toward the distal end of the catheter.

The invention can automatically assemble the metal needle and the catheter under the condition that the medical metal needle does not have a sheath. Since all components do not touch the needle tube part of the metal needle, damage to the needle tube of the metal needle is avoided, the efficiency is high, and the risk of contamination is avoided. At the same time, due to the existence of the buffer unit, when the assembling unit assembles the metal needle, the needle taking unit can pick up the next metal needle from the metal needle holder, thereby speeding up the production cycle and improving the work efficiency.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.

Description of drawings

The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the perspective view of the present invention;

FIG. 2 is a front view of the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

1. Needle retrieval unit; 2. Buffer unit; 3. Assembly unit; 4. Catheter clamping unit; 5. Metal needle; 6. Finger clip; 7. Finger clip driving part; 8. Rotating mechanism; 9. Lifting driving part ; 10, finger clip; 11, finger clip drive part; 12, lift drive part; 13, slider; 14, slide drive part; 15, finger clip; 16, finger clip drive part; 17, drive part; 18, Upper catheter clamp; 19. Lower catheter clamp; 20. Catheter positioning finger clamp; 21. Connection block; 22. Lifting drive part; 23. Bracket.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A metal needle assembly device according to an embodiment of the present invention includes: a needle taking unit 1, a buffer unit 2, an assembling unit 3 and a catheter clamping unit 4, wherein the needle taking unit 1 removes the metal needle 5 to be assembled and rotate the metal needle 5 to a predetermined posture; after the buffer unit 2 removes the metal needle 5 rotated to the predetermined posture, the assembly unit 3 removes the metal needle 5 from the buffer unit 2 down and move in the direction of the catheter clamping unit 4 until the metal needle 5 is inserted into the catheter to be assembled on the catheter clamping unit 4 .

Preferably, the assembling unit 3 is arranged above the buffer unit 2 . Preferably, the catheter holding unit 4 is disposed on the side of the buffer unit 2 away from the needle taking unit 1 , and the needle taking unit 1 is vertically installed on the bracket 23 .

During operation, the needle taking unit 1 clamps the metal needle 5 from the metal needle clamp (not shown) and rotates to the horizontal direction toward the buffer unit 2. Then, after the buffer unit 2 clamps the metal needle 5 on the needle taking unit 1, The metal needle 5 is sent to the assembly unit 3, and the assembly unit 3 connects the needle seat of the metal needle 5 with the catheter to be assembled, wherein the catheter is clamped on the catheter clamping unit 4, thereby completing the assembly of the metal needle 5 and the catheter.

Due to the adoption of the above technical solutions, the present invention can automatically assemble the metal needle 5 and the catheter without the medical metal needle having a sheath. Since all components do not touch the needle tube part of the metal needle 5, damage to the needle tube (needle tip and needle outer wall) of the metal needle 5 is avoided, the efficiency is high, and the risk of contamination is avoided. At the same time, due to the existence of the buffer unit 2, when the assembling unit 3 assembles the metal needle 5, the needle taking unit 1 can pick up a metal needle 5 from the metal needle holder, thereby speeding up the production cycle and improving the work efficiency.

Preferably, the needle taking unit 1 includes a finger clip 6, a finger clip driving part 7 and a rotating mechanism 8. The finger clip driving part 7 drives the finger clip 6 to clamp or release the metal needle 5, and the rotation The mechanism 8 drives the finger clip 6 to rotate to the predetermined posture. Preferably, the needle taking unit 1 further includes a lift driving part 9 for driving the finger clip 6 to move up and down.

Preferably, the buffer unit 2 includes a finger clip 10, a finger clip driving part 11, a lift driving part 12 and a horizontal sliding mechanism, and the finger clip driving part 11 drives the finger clip 10 to clamp or release the metal needle 5. The lift driving part 12 drives the finger clip 10 to move up and down, and the horizontal sliding mechanism drives the finger clip 10 to move toward or away from the needle taking unit 1 . Preferably, the horizontal sliding mechanism includes a sliding block 13 and a sliding driving part 14 , the lifting driving part 12 is disposed on the sliding block 13 , and the sliding driving part 14 drives the sliding block 13 to move horizontally.

Preferably, the assembling unit 3 includes a finger clip 15 , a finger clip driving part 16 , and a driving part 17 , and the finger clip driving part 16 drives the finger clip 15 to clamp the metal needle 5 on the buffer unit 2 , The driving part 17 drives the finger clip 15 to move toward or away from the catheter clamping unit 4 . The finger clip 15 and the finger clip driving part 16 are connected to one end of the driving part 17 through the connecting block 21 .

Preferably, the catheter clamping unit 4 includes an upper catheter clamp 18 , a lower catheter clamp 19 , a catheter positioning finger clamp 20 , and a finger clamp driving part, and the upper catheter clamp 18 moves in the direction of the lower catheter clamp 19 to To clamp the catheter to be assembled, the finger clip driving part drives the catheter positioning finger clamp 20 to clamp the end of the catheter. Preferably, the catheter clamping unit 4 further includes a lift driving part 22 for driving the catheter positioning finger clip 20 to move toward the distal end of the catheter. The lift driving part 22 drives the catheter positioning finger clip 20 to move upward, and the finger clip driving part drives the catheter positioning finger clip 20 to hug the end of the catheter, so that the end of the catheter is fixed.

Below, the specific working process of the present invention will be described in detail.

The needle taking unit 1 takes the metal needle 5 from the lower metal needle holder (more preferably, the part of the needle seat that holds the metal needle 5 close to the metal needle), and then rotates clockwise in the direction of the buffer unit 2 in FIG. 2 . 90 degrees, so that one end of the needle seat of the metal needle 5 faces the buffer unit 2 .

Next, the sliding drive part 14 of the buffer unit 2 drives the slider 13 , the lift drive part 12 , the finger clip 10 , and the finger clip driving part 11 to move toward the needle taking unit 1 , and the finger clip driving part 11 drives the finger clip 10 to clamp the metal The needle seat of needle 5 is away from the part of the metal needle. Then, the slide drive unit 14 drives the slider 13 , the lift drive unit 12 , the finger grip 10 , and the finger grip drive unit 11 to move as a whole in a direction away from the needle taking unit 1 . The lift driving part 12 drives the finger clip 10 and the finger clip driving part 11 to lift up a certain distance as a whole until they are flush with the finger clip 15 of the assembly unit 3 . Then, the slide drive unit 14 drives the slider 13 , the lift drive unit 12 , the finger grip 10 , and the finger grip drive unit 11 to move toward the assembly unit 3 as a whole.

Next, the assembly unit 3 clamps the part of the needle seat of the metal needle 5 close to the metal needle, and then withdraws a distance away from the finger clip 10 to prevent the buffer unit 2 from hitting the metal needle 5 when moving downward. The buffer unit 2 releases the metal needle 5 and moves down to the initial position. The assembly unit 3 clamps the metal needle 5 so that one end of the needle seat of the metal needle 5 moves toward the catheter. During this process, the assembly unit 3 first moves towards the catheter clamping unit 4 for a certain distance to a position close to the end of the catheter, and then Move slowly in the original direction, so that the needle seat of the metal needle 5 is inserted into the end of the catheter held by the catheter positioning finger clip 20, so as to complete the assembly of the metal needle 5 and the catheter.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of metal needle assembling device characterized by comprising take needle unit (1), cache unit (2), assembling unit (3) With conduit clamping unit (4), wherein described that needle unit (1) is taken to remove metal needle to be assembled (5) and by the metal needle (5) It rotates to predetermined posture；

After the cache unit (2) removes rotation to the metal needle (5) of the predetermined posture, the assembling unit (3) will Metal needle (5) on the cache unit (2) is removed and is moved to the direction of the conduit clamping unit (4) until will be described Metal needle (5) is inserted into the conduit to be assembled on the conduit clamping unit (4).

2. metal needle assembling device according to claim 1, which is characterized in that described to take needle unit (1) including referring to folder (6), refer to folder driving portion (7) and rotating mechanism (8), described fingers folder driving portion (7) driving finger, which presss from both sides (6), to be clamped or described in discharging Metal needle (5), the rotating mechanism (8) drive finger folder (6) rotation to the predetermined posture.

3. metal needle assembling device according to claim 2, which is characterized in that described to take needle unit (1) further include being used for Drive the lifting driving portion (9) for referring to folder (6) and moving up and down.

4. metal needle assembling device according to claim 1, which is characterized in that the cache unit (2) includes referring to folder (10), refer to folder driving portion (11), lifting driving portion (12) and horizontal sliding equipment, finger folder driving portion (11) drives the finger Folder (10) is clamped or is discharged the metal needle (5), and the lifting driving portion (12) drives the finger folder (10) to move up and down, described Horizontal sliding equipment drives the finger folder (10) to move to close to or far from the direction for taking needle unit (1).

5. metal needle assembling device according to claim 4, which is characterized in that the horizontal sliding equipment includes sliding block (13) and sliding driving portion (14), the lifting driving portion (12) are arranged on the sliding block (13), the sliding driving portion (14) sliding block (13) horizontal movement is driven.

6. metal needle assembling device according to claim 1, which is characterized in that the assembling unit (3) is arranged described The top of cache unit (2).

7. metal needle assembling device according to claim 6, which is characterized in that the assembling unit (3) includes referring to folder (15), refer to folder driving portion (16) and driving portion (17), it is described slow that finger folder driving portion (16) drives the finger folder (15) to clamp Metal needle (5) on memory cell (2), the driving portion (17) drive the finger folder (15) to clamp to close to or far from the conduit The direction of unit (4) moves.

8. metal needle assembling device according to claim 6, which is characterized in that conduit clamping unit (4) setting exists The side that needle unit (1) is taken far from described in of the cache unit (2).

9. metal needle assembling device according to claim 8, which is characterized in that the conduit clamping unit (4) includes upper Vessel clamp (18), downcomer folder (19), conduit positioning refer to folder (20) and refer to folder driving portion, upper vessel clamp (18) Xiang Suoshu To clamp conduit to be assembled, the finger folder driving portion drives the conduit positioning to refer to folder for the direction movement of downcomer folder (19) (20) end of the conduit is clamped.

10. metal needle assembling device according to claim 9, which is characterized in that the conduit clamping unit (4) further includes For driving conduit positioning to refer to the mobile lifting driving portion (22) in the end of folder (20) Xiang Suoshu conduit.