CN213641618U - Perforating device of medical sponge of polyvinyl alcohol - Google Patents

Abstract

The utility model discloses a perforating device for polyvinyl alcohol medical sponge, which comprises a base, a perforating knife, a first driving device, a second driving device, a third driving device, a supporting plate and a pressing plate, wherein the pressing plate is arranged on the upper part of the supporting plate, and a lug and a abdicating channel are arranged on the opposite surface of the supporting plate and the pressing plate; the first driving device comprises a first piston rod, the piston rod reciprocates along the vertical direction, and the upper surface of the pressing plate is connected with the piston rod; the second driving device comprises a second piston rod and a sliding block, the sliding block reciprocates along the direction of the abdicating channel, and the sliding block is connected with the tapping knife; the third driving device comprises a third piston rod, and the movement direction of the third piston rod is vertical to the abdicating channel in the horizontal direction. The utility model has the advantages of ingenious conception, simple structure and high production efficiency; the supporting plate and the pressing plate exert extrusion force on the polyvinyl alcohol medical sponge, so that the polyvinyl alcohol medical sponge is effectively prevented from sliding along the yielding channel.

Description

Perforating device of medical sponge of polyvinyl alcohol

Technical Field

The utility model belongs to the technical field of medical instrument makes, especially, relate to a perforating device of medical sponge of polyvinyl alcohol.

Background

The wound surface flushing and drainage device is used for debridement of body surfaces of patients, and is popularized and applied in a plurality of domestic hospitals because the wound surface flushing and drainage device has a remarkable effect in clinical application. Such drainage devices include medical sponges, multiple drainage tubes, and irrigation tubes. The materials commonly used for medical sponges are PVA (polyvinyl alcohol) and PU (polyurethane). Polyvinyl alcohol (PVA) medical sponge as a degradable porous medical material has the characteristics of soft texture and high wet strength, particularly has the remarkable characteristics of large seepage absorption amount and rapid seepage absorption, and is widely used in clinical wound surgery, particularly in the field of negative pressure drainage. The outer end of each drainage tube is connected with a drainage container and a negative pressure source, the inner ends of the drainage tubes and the inner ends of the flushing tubes extend into the PVA medical sponge, and when the medical sponge is used, the PVA medical sponge is wrapped on the wound surface of a human body and then sealed and wrapped by a sealing film. When the PVA medical sponge used as the wound dressing is used, a drainage tube and/or a flushing tube needs to be punched and arranged in a penetrating way. The traditional mode of punching is artifical the punching, and work efficiency is low, produces the piece easily, influences the effect of medical negative pressure drainage.

The Chinese patent application, application No. CN201410289613.1, application date 20140626, No. CN104027203A, No. 20140910 discloses a perforating device for medical dressings, wherein a first stop block is arranged on a base on a working platform, a second stop block connected with a first driving device is arranged above the first stop block, the first driving device is arranged on the working platform through a supporting seat, the second stop block can be mutually involuted with the first stop block under the driving of the first driving device to form a material cavity, and the third stop block and the fourth stop block shield two ends of the material cavity; the push rod connected with the third driving device penetrates through the through hole in the third stop block and then is connected with the pushing block; the pushing block is provided with a second through groove, the fourth stop block is provided with a first through groove, and the punching knife connected with the fourth driving device can be inserted into the material cavity through the first through groove under the driving of the fourth driving device. The invention has the advantages that: the punching is convenient, the punching position can be accurately controlled, and no fragment exists in the punched medical dressing. The defects are that the number of parts is large, the structure is relatively complex, some parts with special structures need to be specially processed, the equipment investment cost is high, and the punching requirement of the polyvinyl alcohol medical sponge cannot be met.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Its spare part of perforating device to the medical dressing that discloses among the prior art is more, and the structure is complicated relatively, and some special construction's spare part still needs special processing, and equipment investment cost is high, can not satisfy the problem of the medical sponge of polyvinyl alcohol demand of punching, the utility model aims to provide a perforating device of medical sponge of polyvinyl alcohol, simple structure, the part can obtain through simple processing, and the operation is simple and easy, solves manual hole cutting work efficiency low, the length that the rubber tube got into medical sponge in the same batch product is difficult to unify, produces the piece easily, influences the outward appearance looks problem of product, guarantees the effect of medical negative pressure drainage.

2. Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a perforating device for polyvinyl alcohol medical sponge is characterized by comprising a base, a perforating knife, a first driving device, a second driving device, a third driving device, a supporting plate, a pressing plate and a control system, wherein the first driving device, the second driving device, the third driving device and the supporting plate are arranged on the base, the pressing plate is arranged on the upper portion of the supporting plate, at least two rows of convex blocks are arranged on the opposite surface of the supporting plate and the pressing plate, and a abdicating channel is arranged between the two rows of convex blocks; the first driving device comprises a first piston rod, the first piston rod reciprocates along the vertical direction, and the upper surface of the pressing plate is connected with the first piston rod; the second driving device comprises a second piston rod and a sliding block, the sliding block is sleeved on the second piston rod and reciprocates along the direction of the abdicating channel, the sliding block is connected with the tapping knife, and the cutting edge of the tapping knife points to the abdicating channel; the third driving device comprises a third piston rod, the movement direction of the third piston rod is vertical to the abdicating channel in the horizontal direction, and a pushing block is arranged at the tail end of the third piston rod; and the first driving device, the second driving device and the third driving device are all connected with a control system.

In a specific embodiment of the present invention, the first driving device, the second driving device, and the third driving device are all cylinders.

In a specific embodiment of the present invention, the tapping knife is bolted to the slider.

The utility model discloses a concrete embodiment, the passageway of stepping down sets up two, and the corresponding two trompil swoves that set up, two trompil swoves all are connected with second drive arrangement's slider.

When in use, the action process of the polyvinyl alcohol medical sponge perforating device refers to the following sequence:

1) placing a polyvinyl alcohol medical sponge on the support plate;

2) a piston rod of the first driving device drives the pressing plate to approach the supporting plate, and the polyvinyl alcohol medical sponge is pressed tightly, so that the polyvinyl alcohol medical sponge, the pressing plate and the supporting plate have certain extrusion force;

3) the sliding block of the second driving device drives the perforating knife to move towards the polyvinyl alcohol medical sponge, penetrate into the polyvinyl alcohol medical sponge corresponding to the abdicating channel and perforate;

4) the formation of the second driving means determines the length of the perforation;

5) the slide block of the second driving device retreats;

6) the piston rod of the first driving device moves in the direction far away from the support plate, and the polyvinyl alcohol medical sponge is loosened;

7) a piston rod of the third driving cylinder moves along the direction vertical to the abdicating channel, and the polyvinyl alcohol medical sponge which is perforated is dragged into the material collecting box;

8) repeating the actions from 1) to 7) to enter the next cycle;

9) emptying a collecting material tank for collecting finished products.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the design is ingenious, the structure is simple, no scraps are generated, a semi-automatic operation process is adopted, the punching time of the polyvinyl alcohol medical sponge is within 10 seconds, and the production efficiency is high; when the hole is punched, the supporting plate and the pressing plate exert extrusion force on the polyvinyl alcohol medical sponge, so that the polyvinyl alcohol medical sponge is effectively prevented from sliding along the yielding channel, and the punching quality is ensured.

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

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the structure of the right side of the present invention.

In the figure: 1-a base; 2-a hole cutter; 3-a first drive; 4-a third drive; 5-a third drive device; 6-a support plate; 7-a compression plate; 8-yielding channel; 9-a bump; 10-a first piston rod; 11-a second piston rod; 12-a slide block; 13-a third piston rod; 14-a push block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

As shown in fig. 1 to 3, a perforating device for polyvinyl alcohol medical sponge is characterized in that the perforating device comprises a base 1, a perforating knife 2, a first driving device 3, a second driving device 4, a third driving device 5, a supporting plate 6, a pressing plate 7 and a control system (not marked in the figures), wherein the first driving device 3, the second driving device 4, the third driving device 5 and the supporting plate 6 are arranged on the base 1, the pressing plate 7 is arranged on the upper part of the supporting plate 6, at least two rows of convex blocks 9 are arranged on the opposite surfaces of the supporting plate 6 and the pressing plate 7, and a abdicating channel 8 is arranged between the two rows of convex blocks 9; the first driving device 3 comprises a first piston rod 10, the first piston rod 10 reciprocates along the vertical direction, and the upper surface of the pressing plate 7 is connected with the first piston rod 10; the second driving device 4 comprises a second piston rod 11 and a sliding block 12, the sliding block 12 is sleeved on the second piston rod 11, the sliding block 12 reciprocates along the direction of the abdicating channel 8, the sliding block 12 is connected with the tapping knife 2, and the cutting edge of the tapping knife 2 points to the abdicating channel 8; the third driving device 5 comprises a third piston rod 13, the movement direction of the third piston rod 13 is vertical to the abdicating channel 8 in the horizontal direction, and the tail end of the third piston rod 13 is provided with a push block 14; the first driving device 3, the second driving device 4 and the third driving device 5 are all connected with a control system.

The first driving device 3, the second driving device 4 and the third driving device 5 are all cylinders.

The tapping knife 2 is connected with the sliding block 12 by using bolts.

The yielding channel 8 is provided with two corresponding tapping knives 2, and the two tapping knives 2 are connected with the sliding block 12 of the second driving device 4.

When in use, the action process of the polyvinyl alcohol medical sponge perforating device refers to the following sequence:

10) placing a polyvinyl alcohol medical sponge on the support plate 6;

11) a piston rod of the first driving device 3 drives the pressing plate 7 to approach the supporting plate 6, and the polyvinyl alcohol medical sponge is pressed tightly, so that the polyvinyl alcohol medical sponge has certain extrusion force with the pressing plate 7 and the supporting plate 6;

12) the slide block 12 of the second driving device 4 drives the perforating knife to move towards the polyvinyl alcohol medical sponge, penetrate into the polyvinyl alcohol medical sponge corresponding to the abdicating channel 8 and perforate;

13) the formation of the second driving means 4 determines the length of the perforation;

14) the slide 12 of the second drive means 4 is retracted;

15) the piston rod of the first driving device 3 moves in the direction far away from the supporting plate 6, and the polyvinyl alcohol medical sponge is loosened;

16) a piston rod of the third driving cylinder moves along the direction vertical to the abdicating channel 8, and the polyvinyl alcohol medical sponge which is perforated is dragged into the material collecting box;

17) repeating the actions from 1) to 7) to enter the next cycle;

18) emptying a collecting material tank for collecting finished products.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. The utility model provides a perforating device of medical sponge of polyvinyl alcohol which characterized in that: the punching device comprises a base, a hole opening cutter, a first driving device, a second driving device, a third driving device, a supporting plate, a pressing plate and a control system, wherein the first driving device, the second driving device, the third driving device and the supporting plate are arranged on the base; the first driving device comprises a first piston rod, the first piston rod reciprocates along the vertical direction, and the upper surface of the pressing plate is connected with the first piston rod; the second driving device comprises a second piston rod and a sliding block, the sliding block is sleeved on the second piston rod and reciprocates along the direction of the abdicating channel, the sliding block is connected with the tapping knife, and the cutting edge of the tapping knife points to the abdicating channel; the third driving device comprises a third piston rod, the movement direction of the third piston rod is vertical to the abdicating channel in the horizontal direction, and a pushing block is arranged at the tail end of the third piston rod; and the first driving device, the second driving device and the third driving device are all connected with a control system.

2. The perforating device for the polyvinyl alcohol medical sponge as claimed in claim 1, wherein: the first driving device, the second driving device and the third driving device are all cylinders.

3. The perforating device for the polyvinyl alcohol medical sponge as claimed in claim 1, wherein: the tapping knife is connected with the sliding block through bolts.

4. The perforating device for the polyvinyl alcohol medical sponge as claimed in claim 1, wherein: the abdicating channel is provided with two corresponding tapping knives which are connected with the sliding block of the second driving device.

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