CN205614774U - Memory film hole puncher is moulded with heat to jaw type radiotherapy - Google Patents

Abstract

The utility model relates to a memory film hole puncher is moulded with heat to jaw type radiotherapy, including organism, tool bit, base, the organism includes clamp and lower clamp, and upper and lower clamp is in the middle part through a round pin hub connection, tool bit and base are installed respectively to the front end of upper and lower clamp, having the square edge of a knife on the tool bit, having the quad slit on the base, when pressing from both sides tight upper and lower clamp, the square edge of a knife is just to the quad slit and be absorbed in square hole, be provided with the locating hole on the tool bit, the central line of locating hole and the coincidence of the central line of the square edge of a knife. The utility model discloses design the hole puncher of a jaw type ingeniously, utilize the square edge of a knife can once cut the hole shaping, avoided destroying the plastic body membrane.

Description

A kind of jaw type radiotherapy thermoplastic memory body film card punch

Technical field

This utility model relates to technical field of medical equipment, particularly relates to a kind of jaw type radiotherapy thermoplastic Memory body film card punch.

Background technology

Medically, often use a kind of low temperature thermoplastic memory body film positioned in radiotherapy section office, For patient chest, abdominal part or the Postural immobilization at pelvic cavity position before radiotherapy.This body film has tabular Or netted, plasticity is strong, puts into and gets final product fully transparent softening in 60-70 DEG C of hot water, can be according to trouble Person's build stretches moulding one-tenth and is suitable for the fixing mould of each patient, after cooling can be complete by patient Fix, make patient arbitrarily can not move because of a variety of causes, thus meet radiotherapy precision and in the future The needs of radiotherapy in the whole course for the treatment of.Each patient's body film made need to be from patient after cooling down completely Take off with it, on body film, open the square opening of three about 3 centimeters as requested, for patient's body Position labelling.

The method that perforate is commonly used is manually to pluck out square opening with cutter.But it is to have after the cooling of body film Certain degree of hardness, operate with cutter very inconvenient, it is easy to hole burr occurs, and very Easily injure medical worker；It addition, because the body film made overarches according to build, mould Making proper film uneven distribution during shape, slightly exerting oneself inequality during stingy hole will be on body film Mark the longest seam, hole exterior domain is also scratched, make a mess of body film；Also having is exactly to use art designing Cutter efficiency is the lowest, can not meet requirements of one's work.

Utility model content

In view of above-mentioned analysis, the purpose of this utility model is that offer a kind of jaw type radiotherapy heat Moulding memory body film card punch, this card punch can facilitate the punching of radiotherapy body film, improves work efficiency, The safety of protection medical worker.

The purpose of this utility model is mainly achieved through the following technical solutions: a kind of jaw type radiotherapy With thermoplastic memory body film card punch, including body, cutter head, base；

Described body includes that upper clamp and lower clamp, described upper clamp and lower clamp are logical in middle part Cross a bearing pin to connect；

Described cutter head and described it is respectively mounted in the front end of the front end of described upper clamp and described lower clamp Base；

There is on described cutter head the square edge of a knife, described base has square opening, described square opening The area of the square edge of a knife of area ratio is big, when clamping described upper clamp and lower clamp, and the described square edge of a knife Just to described square opening and be absorbed in described square opening；

Being provided with penetrating hole, location on described cutter head, the vertical center line in hole, described location is with described The vertical center line of the square edge of a knife overlaps.

Further, between the holding handle of described upper clamp and lower clamp rear end, it is provided with spring.

Further, described cutter head passes through bolt or rivet interlacement on upper clamp；Described base leads to Cross bolt or rivet interlacement on described lower clamp.

Further, described cutter head includes that the knife back and blade, the described knife back are connected to described upper clamp On, described blade has four, and four limits along the described knife back surround described square cutter vertically downward Mouthful, the point of a knife on blade is perpendicular to the knife back and flats down.

Further saying, described blade is triangle, or rectangle, or trapezoidal.

Further saying, described point of a knife is unicuspid dihedral, or zigzag.

The beneficial effects of the utility model are as follows: 1, this utility model designs the machine of a jaw type dexterously Body, can pass through to press between the upper clamp and lower clamp of body, and by the compression stress of spring Object is clamped so that the object being clipped between upper clamp and lower clamp obtains clamping force, borrows simultaneously Upper clamp and lower clamp can also be separated by bounce again that help spring.2, this utility model is at machine Designing cutter head and base on head, cutter head is just to base, and cutter head is square edge of a knife form, the most just Cut out a square opening, base designs a square opening, can be on the one hand that the cutter head pressed down is conceded Cutting channel, is also on the other hand material-dropping hole.3, point of a knife can be that triangular knife can also be for rectangular teeth Cutter, cutting force is strong, due to sharpness and the formability feature of cutter head, so this utility model is permissible By the cut hole molding of hard plastic body film.

Other feature and advantage of the present utility model will illustrate in the following description, and, portion That divides becomes apparent from description, or understands by implementing this utility model.

Accompanying drawing explanation

Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as of the present utility model Limiting, in whole accompanying drawing, identical reference marks represents identical parts.

Fig. 1 is the overall structure sketch of this utility model card punch.

Fig. 2 is the structure diagram of card punch body.

Fig. 3 is embodiment one structure diagram of card punch cutter head.

Fig. 4 is embodiment two structure diagram of card punch cutter head.

Fig. 5 is embodiment three structure diagram of card punch cutter head.

In figure, 1-body, 2-cutter head, 3-base, 11-upper clamp, 12-lower clamp, 13-bearing pin, 14-spring, 15-holding handle, the 21-knife back, 22-blade, 23-position hole, 31-square opening.

Detailed description of the invention

Specifically describe preferred embodiment of the present utility model, wherein, accompanying drawing structure below in conjunction with the accompanying drawings Become the application part, and be used for explaining of the present utility model together with embodiment of the present utility model Principle.

As it is shown in figure 1, card punch of the present utility model is mainly made up of three parts, including body 1, Cutter head 2 and base 3.

As in figure 2 it is shown, body 1 is the parts using pliers moulding, its core includes Upper clamp 11 and lower clamp 12, upper clamp 11 and lower clamp 12 pass through a bearing pin in middle part 13 connect so that upper clamp 11 and lower clamp 12 can be mutually with bearing pins for fulcrum rotary expansion or conjunction Hold together.

The purpose of this utility model is dependent on the clamping action of upper clamp 11 and lower clamp 12 by object Clamp, so it is further preferred that arrange a spring 14 between upper clamp 11 and lower clamp 12, Certain clamping force should be able to be provided, certain restoring force also should be able to be provided after clamping force loses simultaneously. Spring 13 is preferably arranged between the holding handle 15 of upper clamp 11 and lower clamp 12 rear end.

As it is shown in figure 1, due to bearing pin 13 and the effect of spring 14, upper clamp 11 and lower clamp 12 Front end can form certain dehiscing, so setting respectively in the front end of upper clamp 11 and lower clamp 12 Put cutter head 2 and base 3, upper clamp 11 arranges cutter head 2, lower clamp 12 arranges base 3.

Cutter head 2 can pass through bolt or rivet interlacement and form detachable form in upper clamp 11 end； Can also be welded on upper clamp 11, but in this case can not dismantle and can only once scrap.

In order to get square opening, cutter head 2 is designed as by this utility model square edge of a knife form.As Shown in Fig. 3, the structure of cutter head 2 is: include the knife back 21 and blade 22, and the knife back 21 is one square Flat part, be connected in upper clamp 11 plane；Blade 22 has four, along the four of the knife back 21 The one bending of individual limit shapes, or is connected on four limits of the knife back, surrounds the square edge of a knife, blade 22 Point of a knife be perpendicular to knife back plane downwardly base.

Further, in order to accurately find the drilling point on body film, at the knife back 21 and upper clamp The center of 11 is also wholely set a hole, location 23 (as shown in Figure 1), and hole 23, location is one to penetrate Hole, the vertical center line in hole, location overlaps with the vertical center line of the square edge of a knife, when cutter head 2 is close On body film when of drilling point, it is possible to see following drilling point through cutter head, when range estimation drilling point The when of being positioned at center, hole, location, it is considered as capturing position.

Further, the form of blade 22 can have multiple, as shown in Fig. 3,4,5, and blade 22 Monnolithic case has triangle square or trapezoidal, and wherein can there be pointed shape point of a knife at point of a knife position, also Can there is zigzag point of a knife.

As it is shown in figure 1, arrange base 3 on lower clamp 12.Base 3 is equally to pass through spiral shell Bolt or rivet interlacement are on lower clamp 12, it is also possible to be to be directly welded on base plate.Base 3 is one Flat part, the central authorities at base offer a square opening 31, and the size of square opening 31 is more bigger than cutter head 2, It is especially the square edge of a knife region area that the area of square opening 31 surrounds more than four blades.Square Hole 31 is relative with both cutter heads 2 position, and when depressing upper clamp 11, cutter head 2 can probe into downwards In square opening 31.

During work, first on the body film moulded, mark drilling point (general picture ten with marking pen The method of wordline determines punching center), then body film is placed on a platform；Card punch is opened, Being put in by lower clamp 12 inside body film lies against on platform, and upper clamp 11 is positioned at the outer top of body film, Owing to being empty inside body film, it is possible to described card punch to be put in body film intracavity portion；Then press from both sides Tight upper clamp 11 and lower clamp 12, move closer to body film, the nearest more good almost make cutter head 2 touch Body film, and gradually find drilling point, range estimation makes the center, hole, location on cutter head overlap with drilling point； Then firmly pressing extrudes upper clamp 11 and lower clamp 12, makes cutter head 2 fast powerful ground penetrator film, Enter in the base 3 of lower section, make the section of body film come off；Then launch upper clamp 11 and under Clamp 12, withdraws from card punch, and punching completes.

The above, only this utility model preferably detailed description of the invention, but of the present utility model Protection domain is not limited thereto, and any those familiar with the art is at this utility model In the technical scope disclosed, the change that can readily occur in or replacement, all should contain at this utility model Protection domain within.

Claims (6)

1. a jaw type radiotherapy thermoplastic memory body film card punch, it is characterised in that: include body, cutter head, base；

Described body includes that upper clamp and lower clamp, described upper clamp and lower clamp are connected by a bearing pin in middle part；

Described cutter head and described base it is respectively mounted in the front end of the front end of described upper clamp and described lower clamp；

Having the square edge of a knife on described cutter head, described base has square opening, the area of the square edge of a knife of area ratio of described square opening is big, and when clamping described upper clamp and lower clamp, the described square edge of a knife is just to described square opening and be absorbed in described square opening；

Being provided with penetrating hole, location on described cutter head, the vertical center line in hole, described location overlaps with the vertical center line of the described square edge of a knife.

Card punch the most according to claim 1, it is characterised in that: between the holding handle of described upper clamp and lower clamp rear end, it is provided with spring.

Card punch the most according to claim 1, it is characterised in that: described cutter head passes through bolt or rivet interlacement on upper clamp；Described base passes through bolt or rivet interlacement on described lower clamp.

4. according to the card punch described in claim 1 or 3, it is characterized in that: described cutter head includes the knife back and blade, the described knife back is connected on described upper clamp, described blade has four, four limits along the described knife back surround the described square edge of a knife vertically downward, and the point of a knife on blade is perpendicular to the knife back and flats down.

Card punch the most according to claim 4, it is characterised in that: described blade is triangle, or rectangle, or trapezoidal.

Card punch the most according to claim 5, it is characterised in that: described point of a knife is unicuspid dihedral, or zigzag.