CN210308172U - Improved perforating pliers - Google Patents

Abstract

The utility model relates to a medical treatment detects appurtenance field, in particular to hole pincers of improvement. The punching pliers comprise pliers bodies, each pliers body comprises an upper pliers body, a lower pliers body and a rotating shaft, each upper pliers body comprises an upper pliers opening and a lower pliers hand, each lower pliers body comprises a lower pliers opening and an upper pliers hand, a through hole is formed in the inner side surface of each lower pliers opening, each cutter structure comprises a cutter and a pressure pad, and the edge of one end of each cutter is a cutting edge; the outer side surface of the lower jaw is provided with a guide pipe, the position of the upper jaw corresponding to the through hole of the lower jaw is provided with a tabletting structure which comprises a pressing column, a spring and a pressing block, the pressing column is a cylinder, one end of the pressing column is fixedly connected on the upper jaw, the spring is sleeved on the pressing column, and the thickness of the pressing block and the total length of the spring are the same as the length of the pressing column in a non-working state; the central shafts of the spring, the pressing column, the pressing block, the cutter, the pressing pad and the guide pipe are all on the same line, and the outer diameter of the pressing column is the same as the inner diameter of the cutter cylinder. The punching pliers are convenient for sampling blood slices, and the blood slices can accurately fall into the multi-empty tray without generating fragments.

Description

Improved perforating pliers

Technical Field

The utility model relates to a medical treatment detects appurtenance field, in particular to hole pincers of improvement.

Background

At present, blood samples of newborn infants are collected by dry blood slices in the newborn screening of laboratories of our hospitals, and punching pliers are needed to punch and collect samples before corresponding amino acid carnitine tandem mass spectrometry experiment operations are carried out. The current method is to punch out a blood slide containing a sample on a clean table top and then place the blood slide into a clean U-shaped bottom clean microplate with clean tweezers. When handling big batch of sample, begin to appear the drawback: 1. the punched blood slices containing the samples are easy to be polluted; 2. the working time is increased in the operation process; 3. the blood piece that contains the sample of beating has deckle edge easily, easily produces the piece, causes the instrument stifled hole, influences the instrument and detects. Thereby affecting work efficiency and inspection quality, causing unnecessary economic loss and increasing medical risk.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide an improved perforating clamp, which is convenient for taking blood samples and can accurately drop the blood samples into a tray without generating debris.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

an improved punching pliers comprises a pliers body, wherein the pliers body comprises an upper pliers body, a lower pliers body and a rotating shaft, the upper pliers body comprises an upper jaw and a lower pliers hand, the lower pliers body comprises a lower jaw and an upper pliers hand, a through hole is formed in the inner side surface of the lower jaw, a cutter structure is arranged on the through hole, the cutter structure comprises a cutter and a pressure pad, the cutter is cylindrical, and the edge of one cylindrical end is a cutting edge; the outer side surface of the lower jaw is provided with a guide pipe, a tabletting structure is arranged at a position of the upper jaw corresponding to the through hole of the lower jaw, the tabletting structure comprises a pressing column, a spring and a pressing block, the pressing column is a cylinder, one end of the pressing column is fixedly connected to the upper jaw, the spring is sleeved on the pressing column, one end of the spring is welded with the upper jaw, the other end of the spring is fixed with the pressing block, the pressing block is an annular metal block, and the total length of the thickness of the pressing block and the length of the spring is the same as the length of the pressing column in a non-working state; the central shafts of the spring, the pressing column, the pressing block, the cutter, the pressing pad and the guide pipe are all on the same line, the outer diameter of the pressing column is the same as the inner diameter of the cutter cylinder, and the inner diameter of the guide pipe is larger than that of the cutter cylinder.

Further, the pressure pad is made of an elastic material, and the elastic material is silica gel or styrene butadiene rubber.

Further, the briquette size is the same as the pressure pad size.

Further, under the non-working state, the upper end face of the pressure pad is flush with the knife edge of the cutter, the knife edge is in an oblique splitting shape, and the oblique splitting face faces the inner side of the cutter cylinder.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, use cutter structure and preforming structure, and compression leg and cutter size coincide, can effectually compress tightly the blood piece, then the compression leg down extrudees the blood piece and cuts the blood piece through the cutter, and the blood piece glides along the stand pipe, falls into the porous tray of splendid attire.

2. The utility model discloses an among the sheeted structure, spring one end is fixed on keeping silent at last, and the other end is fixed on the briquetting, under the non-operating condition, the briquetting cover is on the compression leg, and tip and compression leg lower extreme parallel and level under the briquetting, under the operating condition, the briquetting is extruded and receives the power of spring to make the briquetting compress tightly the blood piece, and when revoking external extrusion, the spring can be bounced the briquetting again, makes whole working process naturally smooth and easy, and the briquetting can not follow the slippage on the compression leg yet.

3. In the cutter structure used by the utility model, the cutter is cylindrical, the cutting edge is arranged at the end part of the cylinder, the cutting edge is in a wedge shape, and the wedge surface faces the inner side of the cutter cylinder; the cutter outside has the pressure pad, and the pressure pad is the cushion, can play the effect that the buffering compressed tightly effectively, is difficult to produce the piece of blood piece.

Drawings

Fig. 1 is a schematic diagram of the operation of the hole-punching pliers of the present invention.

Fig. 2 is a schematic structural view of the punching part of the punching pliers of the present invention.

Fig. 3 is a schematic structural diagram of the cutter structure in the punching pliers of the present invention.

Description of the main elements

In the figure, 1, a forceps body; 11. an upper clamp body; 12. a lower clamp body; 2. a rotating shaft; 3. an upper jaw; 4. a lower jaw; 5. a guide tube; 6. a cutter structure; 61. a cutter; 62. a pressure pad; 7. a tabletting structure; 71. a spring; 72. pressing the column; 73. briquetting; A. a porous tray; a1, tray holes.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

Referring to fig. 1, 2 and 3, in a preferred embodiment of the present invention, an improved hole punching pliers comprises a pliers body 1, the pliers body 1 comprises an upper pliers body 11, a lower pliers body 12 and a rotating shaft 2, an upper pliers mouth 3 and a lower pliers hand in the upper pliers body 11 are connected together, a lower pliers mouth 4 and an upper pliers hand in the lower pliers body 12 are connected together, a through hole is arranged at a position close to an end part inside the lower pliers mouth 4, a cutter structure 6 is arranged on the through hole, the cutter structure 6 comprises a cutter 61 and a pressure pad 62, wherein the cutter 61 is cylindrical, and an edge of one cylindrical end is a cutting edge, see fig. 3; the blade is in an oblique splitting shape, the oblique splitting surface faces the inner side of the cylinder of the cutter 61, and the blade is tightly attached to the pressure pad 62 sleeved on the outer side of the cylinder; the blood sample is normally larger in area than the cylindrical cross-section of the cutter, and after the blood sample completely covers the cutter, the excess is placed on the pressure pad 62.

Referring to fig. 1 and 2, a tablet structure 7 is disposed on the upper jaw 3 at a position corresponding to the through hole of the lower jaw 4, the tablet structure 7 includes a pressing post 72, a spring 71 and a pressing block 73, the pressing post 72 is a cylinder, one end of the pressing post 72 is fixedly connected to the upper jaw 3, the spring 71 is sleeved on the pressing post 72 and can be compressed or extended along the pressing post 72, one end of the spring 71 is welded to the upper jaw 3, the other end of the spring 71 is fixed to the pressing block 73, the pressing block 73 is an annular metal block and is sleeved on the pressing post 72, and the pressing block 73 can slide on the pressing post 72 along with the spring 71; in a non-working state, the lower end surface of the pressing block 73 is flush with the lower end surface of the pressing column 72, and the total length of the thickness of the pressing block 73 and the length of the spring 71 is the same as the length of the pressing column 72 in the non-working state; when the pressing piece 73 is pressed toward the upper jaw 3, the pressing piece 73 presses the spring 71 and slides along the pressing post 72 toward the upper jaw 3.

Referring to fig. 2, a guide tube 5 is arranged on the outer side surface of the lower jaw 4, in addition, the central axes of the spring 71, the pressing column 72, the pressing block 73, the cutter 61, the pressing pad 62 and the guide tube 5 are all on the same line, the outer diameter of the pressing column 72 is the same as the inner diameter of the cutter cylinder, and the inner diameter of the guide tube 5 is larger than the inner diameter of the cutter 61 cylinder; further optimize this scheme, 5 joints of stand pipe can dismantle the connection at the lower extreme of cutter 61 drum, use the completion after, can take off stand pipe 5 and accomodate, make its more convenient to use. The prepared blood sample slides downwards along the guide tube to enter the porous tray, and the prepared blood sample is placed in the tray holes of the porous tray and is sequentially arranged.

Example 1

The utility model discloses a scheme is further through optimizing, and pressure pad 62 is made by elastic material, and this elastic material is silica gel, adopts elastic material can cushion the power of blood piece, and briquetting 73 size is the same with pressure pad 62 size, and with the axle center, has guaranteed briquetting 73 and pressure pad 62 can be with the better compressing tightly of blood piece sample.

Example 2

On the basis of embodiment 1, the silicon gel is replaced by styrene butadiene rubber, so that the effects of compressing and buffering can be achieved, the same effect can be achieved for the preparation of blood slice samples, and fragments of the blood slices are not easy to generate.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (5)

1. An improved punching pliers comprises a pliers body, wherein the pliers body comprises an upper pliers body, a lower pliers body and a rotating shaft, the upper pliers body comprises an upper jaw and a lower pliers hand, and the lower pliers body comprises a lower jaw and an upper pliers hand; the outer side surface of the lower jaw is provided with a guide pipe, a tabletting structure is arranged at a position of the upper jaw corresponding to the through hole of the lower jaw, the tabletting structure comprises a pressing column, a spring and a pressing block, the pressing column is a cylinder, one end of the pressing column is fixedly connected to the upper jaw, the spring is sleeved on the pressing column, one end of the spring is welded with the upper jaw, the other end of the spring is fixed with the pressing block, the pressing block is an annular metal block, and the total length of the thickness of the pressing block and the length of the spring is the same as the length of the pressing column in a non-working state; the central shafts of the spring, the pressing column, the pressing block, the cutter, the pressing pad and the guide pipe are all on the same line, and the outer diameter of the pressing column is the same as the inner diameter of the cutter cylinder.

2. The improved hole punch pliers of claim 1, wherein the pressure pad is made of an elastic material, and the elastic material is silicone rubber or styrene butadiene rubber.

3. The improved hole punch pliers of claim 1 wherein the size of the pressure block is the same size as the pressure pad.

4. The improved hole punch pliers of claim 1 wherein in the inoperative position, the upper end surface of the pressure pad is flush with the cutting edge of the cutter, the cutting edge is beveled and the beveled surface faces the inside of the cutter cylinder.

5. The improved hole punch pliers of claim 1 wherein the guide tube has an inside diameter greater than the inside diameter of the cutter cylinder.

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