CN103692592A - Surgical tray cover bag and preparation method for same - Google Patents
Surgical tray cover bag and preparation method for same Download PDFInfo
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- CN103692592A CN103692592A CN201310692418.9A CN201310692418A CN103692592A CN 103692592 A CN103692592 A CN 103692592A CN 201310692418 A CN201310692418 A CN 201310692418A CN 103692592 A CN103692592 A CN 103692592A
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Abstract
The invention relates to a surgical tray cover bag and a preparation method for the same. The surgical tray cover bag comprises a tubular thin film layer, wherein one end of the tubular thin film layer is sealed, and the other end of the tubular thin film layer is opened; an absorption layer is attached to the outer surface of the tubular thin film layer; one end of the absorption layer is close to the closed end of the tubular thin film layer, and the other end of the absorption layer extends to the other end of the tubular thin film layer or any position of the middle part of the tubular thin film layer; the tubular thin film layer is a tubular thin film which is formed by folding and heat-sealing a flat film prepared by a tape-casting process. According to the surgical tray cover bag and the preparation method for the same, the tubular thin film is prepared by the tape-casting process, so that the shortcomings of low productivity, high cost and the like of a conventional film blowing process are overcome, and a product is high in competitiveness.
Description
Technical field
The present invention relates to a kind of operation tray bagging and preparation method thereof.
Background technology
Operation tray bagging is also referred to as " medical Mei Shi cover (MSC:mayo stand cover) ", in operating room, operation tray bagging is set in above operation tray, for depositing the apparatus that operation is applied, what directly contact with apparatus is absorbed layer, and this absorbed layer has the effect of other liquid materials such as absorbing blood residual in operating theater instruments, body fluid, liquid medicine.
Traditional operation tray bagging (as shown in Figure 1) is with a kind of tubular film 1`, and absorbed layer 2` on fitting in the one side of tubular film 1`, one end of tubular film 1` seals and other end opening, hot-sealing line 3` as shown in Figure 1, for easy to use, during use, the other end of tubular film is outwards folded into sack, turnover length is a`.The tubular film 1` of traditional operation tray bagging adopts film-blowing process preparation, and film-blowing process exists the shortcomings such as production capacity is lower, cost is higher, causes the overall throughput of operation tray bagging low, cost is high.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of casting technique to replace film-blowing process to prepare the operation tray bagging of tubular film.
The present invention also provides a kind of preparation method of operation tray bagging simultaneously.
For solving above technical problem, the present invention adopts following technical scheme:
A kind of operation tray bagging, comprise tubular film layer, one end closure of described tubular film layer and other end opening, the outer surface of described tubular film layer is fitted with absorbed layer, one end of described absorbed layer is near described sealing setting, the other end of described absorbed layer extends to the optional position, middle part of the other end or the described tubular film layer of described tubular film layer, the tubular film that flat film warp folding, heat-sealing form of described tubular film layer for adopting casting technique to prepare.
The preparation method of described flat film is: after the raw material of the described tubular film layer of preparation is added and mixed in mixer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film.Preferably, described die head is T-shaped die head.
Described tubular film layer is made by the mixture of polyolefin polymer, pigment and additive, wherein, described polyolefin polymer is one or more the combination in low density polyethylene (LDPE), LLDPE, metallocene PE, high density polyethylene (HDPE), polypropylene, ethylene-vinyl acetate copolymer and polyolefinic derivative.Preferably, described pigment is blue pigment or viridine green.
Described additive package contains one or more in antistatic additive, slipping agent, age resister, opening agent.
Described absorbed layer is nonwoven, operation towel, blotting paper, woodgrained paper, dust-free paper or natural cotton goods.
The described glue that fits into is bonding or do not use the direct heat laminating of glue.
Described glue is PUR, the hydrosol, emulsion glue, response type glue or two-sided tape.
The another technical scheme that the present invention takes is: a kind of preparation method of above-mentioned operation tray bagging, and described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, when described flat film is during also in molten condition, absorbed layer is directly fitted on described flat film, then through pressing, cooling, curing, moulding, makes the flat film that is fitted with described absorbed layer;
(2) dual-side of the flat film that is fitted with described absorbed layer step (1) being made folds, heat-sealing, rolling, makes the tubular film that is fitted with described absorbed layer;
(3) tubular film that is fitted with described absorbed layer step (2) being made through cutting, one end heat-sealing, make operation tray bagging.
Another technical scheme that the present invention takes is: a kind of preparation method of above-mentioned operation tray bagging, and described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, cooling, curing, moulding, then the flat film of moulding is carried out to on-line spray glue, then absorbed layer is fitted in to the position of the described glue of spraying, the more flat film that is fitted with described absorbed layer is made in pressing;
(2) dual-side of the flat film that is fitted with described absorbed layer step (1) being made folds, heat-sealing, rolling, makes the tubular film that is fitted with described absorbed layer;
(3) tubular film that is fitted with described absorbed layer step (2) being made through cutting, one end heat-sealing, make operation tray bagging.
Another technical scheme again that the present invention takes is: a kind of preparation method of above-mentioned operation tray bagging, and described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, cooling, curing, moulding;
(2) dual-side of flat film step (1) being made folds, heat-sealing, rolling, makes tubular film;
(3) tubular film step (2) being made through cutting, one end heat-sealing, make operation tray bagging semi-finished product;
(4) on the operation tray bagging semi-finished product that make in step (3), artificial laminating absorbed layer, makes operation tray bagging finished product.
Due to the enforcement of technique scheme, the present invention compared with prior art tool has the following advantages:
What the tubular film of operation tray bagging of the present invention adopted is that flat film prepared by casting technique forms through folding, heat-sealing.With casting technique, replace traditional film-blowing process to produce tubular film, improved production capacity, reduced manually, reduced cost, and alleviated the present situation that current human resources shortage, labour and energy cost rise.
Adopt the preparation method of operation tray bagging of the present invention, the laminating type of tubular film and absorbed layer can have various, and not only direct heat laminating online, also fits under glue bond or line online.
It is better that operation tray bagging of the present invention is compared traditional operation tray bagging cost thickness evenness lower, film.
figure of description
Fig. 1 is traditional operation tray bagging floor map;
Fig. 2 is operation tray bagging floor map of the present invention;
Fig. 3 is casting technique schematic diagram of the present invention (online film);
Fig. 4 is A place enlarged drawing in Fig. 3;
Fig. 5 is operation tray bagging the first preparation technology's of the present invention online film laminating absorbed layer schematic diagram;
Fig. 6 Wei Tu5Hou road processing technology schematic diagram;
Fig. 7 is operation tray bagging the second preparation technology's of the present invention online bonding absorbed layer process schematic representation;
Fig. 8 Wei Tu7Hou road processing technology schematic diagram;
Fig. 9 is the third preparation technology's of operation tray bagging of the present invention production tubular film coiled strip process schematic representation;
Figure 10 Wei Tu9Hou absorbed layer process schematic representation of manually fitting in road;
In Fig. 2 ~ 10, the represented name of numeral is called:
1, tubular film layer; 2, absorbed layer; 3, hot-sealing line; 4, material weighing device; 5, mixer; 6, feed hopper; 7, casting machine; 8, die head; 9, flat film; 10, absorbed layer coiled strip; 11, steel rod; 12, rubber rollers; 13, folding machine; 14 heat sealing machines; 15, operation tray bagging semi-finished product; 16, heat-sealing cutting machine; 17, operation tray bagging; 18, glue rifle; 19, glue; 20, tubular film coiled strip.
The specific embodiment
As shown in Figure 2, operation tray bagging of the present invention comprises tubular film layer 1, one end closure of tubular film layer 1 and other end opening, the outer surface of tubular film layer 1 is fitted with absorbed layer 2, one end of absorbed layer 2 arranges near sealing, and the other end of absorbed layer 2 extends to the optional position, middle part of the other end or the tubular film layer 1 of tubular film layer 1, for easy to use, the other end of tubular film layer 1 is folded into sack outward, and its turnover length is a.What adopt due to the tubular film layer of operation tray bagging of the present invention is that the flat film prepared of casting technique is through tubular film folding, that heat-sealing forms.So the present invention has two hot-sealing lines 3, be respectively the hot-sealing line of port and the hot-sealing line of flat film being made to tubular film.
The present invention relates to prepare three kinds of methods of operation tray bagging: three kinds of methods are all used casting technique (as shown in Fig. 3 ~ 4) to replace original film-blowing process.Need to solve following 2 problems: the first, existing operation tray bagging is that what in the present invention, casting technique was produced is flat film, so the technical issues that need to address are: how flat film is processed into tubular film with the produced tubular film of film-blowing process; The second, traditional operation tray bagging processing technology is: after tubular film coated heat melten gel, more manually fit with fiber polyolefin nonwoven.The present invention relates to 3 innovations: one, the thermal bonding process of direct-on-line film, do not use glue, manpower-free fits, has reduced manufacturing process; Two, absorbed layer can be used the absorbed layer of various material, as nonwoven, operation towel, blotting paper, woodgrained paper, dust-free paper and natural cotton goods; Three, the adhesive that film is combined with absorbed layer can be used polytype adhesive, as PUR, the hydrosol, emulsion glue, response type glue, two-sided tape.
Three kinds of method specific embodiments of preparing operation tray bagging that the present invention relates to are as follows:
Following three embodiment that filled a prescription as follows for the present invention:
In weight percentage, the formula material of tubular film layer of the present invention comprises following component: polyolefin polymer 1% ~ 100%, pigment 0 ~ 80%, additive 0 ~ 25%.
Further, optimization formula is:
Preferably 1: polyolefin polymer 60 ~ 97.0%, pigment 2 ~ 35%, additive 1 ~ 5%
Preferably 2: polyolefin polymer 80 ~ 97.5%, pigment 2 ~ 15%, additive 0.5 ~ 5%
Preferably 3: polyolefin polymer 90 ~ 97.9%, pigment 2 ~ 8%, additive 0.1 ~ 2%
Described polyolefin polymer is one or more polyolefin polymers, and described polyolefin polymer is specially low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE), metallocene PE (MLLDPE), high density polyethylene (HDPE) (HDPE), polypropylene (PP), ethene-vinyl acetate copolymerization (EVA) and polyolefin derivative thing etc.Polyethylene odorless, nontoxic, feel ceraceous, has good resistance to low temperature (minimum serviceability temperature can reach-70 ℃～-100 ℃), and chemical stability is good, and the erosion of the most of soda acids of ability is insoluble to common solvent under normal temperature, and water imbibition is little, and electrical insulation capability is good.
Additive can be selected according to application and process requirements, can select antistatic additive, slipping agent, age resister, opening agent etc.
General medical operation pallet bagging is used blue or green, so pigment is generally blue pigment or viridine green.
Longitudinal tensile strength >=1.0 of this tubular film pound/inch, transverse tensile strength >=1.0 pound/inch, peel strength >=0.1 of this tubular film and absorbed layer pound/inch.
Online film explained hereafter operation tray bagging (hot paste is closed mode, exempts from PUR, the hydrosol, response type glue or two-sided tape etc.)
The present embodiment curtain coating and attaching process step are as follows:
(1) press the formula of tubular film layer 1, raw material is weighed up from material weighing device 4, then after adding high-speed mixer 5 to mix, from loading hopper 6, send into casting machine 7 heating and meltings, then from the T-shaped die head 8 of casting machine 7, flow out curtain coating form flat film 9, when flat film 9 is during also in molten condition, absorbed layer coiled strip 10 is sent to by conveyer belt and 9 laminatings of flat film, then through pressing, cooling, curing, moulding, make the flat film that is fitted with absorbed layer; In this step, the device that laminating relies on is at least: a steel rod 11 and a rubber rollers 12, with suitable pressure, flat film 9 and absorbed layer coiled strip 10 are fitted tightly, and steel rod 11 and rubber rollers 12 can provide effect cooling, curing agent moulding simultaneously.Steel rider 11 can be embossing or non-embossing roller.
(2) together with flat film 9 fits to by heat with absorbed layer coiled strip 10, the length of absorbed layer coiled strip 10, width and position can be adjusted according to product demand, and trimming is carried out according to practical application request in the both sides of flat film 9.
(3) thin-film material after step (2) is by triangle collapse machine 13 or other folding devices, the film of both sides is folded to (as shown in Figure 5), then entering heat sealing machine 14 seals, hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.Thin-film material after heat-sealing is tubular form, rolling, operation tray bagging semi-finished product 15.
(4) operation tray bagging semi-finished product 15 are cut through heat-sealing cutting machine 16, and one end heat-sealing, make operation tray bagging 17(as shown in Figure 6), hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.
Online bonding absorbed layer explained hereafter operation tray bagging (bonding with PUR, the hydrosol or response type glue etc.)
The present embodiment curtain coating and attaching process step are as follows:
(1) press the formula of tubular film layer 1, raw material is weighed up from material weighing device 4, after then adding high-speed mixer 5 to mix, from loading hopper 6, send into casting machine 7 heating and meltings, then from the T-shaped die head 8 of casting machine 7, flow out curtain coating form flat film 9.Flat film 9, after cooling, curing, with glue rifle 18 on-line spray glue 19, is transported to the absorbed layer cutting 2 use conveyer belts the appropriate location of spraying glue 19 simultaneously, and then flat film 9 and absorbed layer 2 are fitted; The length of absorbed layer 2, fabric width and position can be adjusted according to product demand.Trimming is carried out according to practical application request in the both sides of flat film 9.
(2) thin-film material after step (1) is by triangle collapse machine 13 or other folding devices, the film of both sides is folded to (as shown in Figure 7), then entering heat sealing machine 14 seals, hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.Thin-film material after heat-sealing is tubular form, rolling, operation tray bagging semi-finished product 15.
(3) operation tray bagging is accomplished product 15 and is cut through heat-sealing cutting machine 16, and one end heat-sealing, makes operation tray bagging 17(as shown in Figure 8), hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.
The absorbed layer explained hereafter of fitting under line operation tray bagging (with manually laminating)
The present embodiment curtain coating and attaching process step are as follows:
(1) press the formula of tubular film layer 1, raw material is weighed up from material weighing device 4, after then adding high-speed mixer 5 to mix, from loading hopper 6, send into casting machine 7 heating and meltings, then from the T-shaped die head 8 of casting machine 7, flow out curtain coating form flat film 9.Flat film 9 is after cooling, curing, by triangle collapse machine 13 or other folding devices, the film of both sides is folded to (as shown in Figure 9), then enter heat sealing machine 14 and seal, hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.Thin-film material after heat-sealing is tubular form, rolling, and tubular film coiled strip 20.
(3) tubular film coiled strip 20 is cut through heat-sealing cutting machine 16, and one end heat-sealing, and hot edge seal overlapping dimension can be adjusted according to product demand between 0.1-5cm, preferably 0.5-1cm.Then according to demand, the appropriate location at tubular film layer 1 sprays glue 19 or pastes two-sided tape or other jointing materials with glue rifle 18, again the absorbed layer cutting 2 is manually fitted on tubular film layer 1 afterwards, make operation tray bagging 17(as shown in figure 10).
Above the present invention is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; and the invention is not restricted to the embodiments described; the equivalence that all Spirit Essences according to the present invention are done changes or modifies, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. an operation tray bagging, comprise tubular film layer, one end closure of described tubular film layer and other end opening, the outer surface of described tubular film layer is fitted with absorbed layer, one end of described absorbed layer is near described sealing setting, the other end of described absorbed layer extends to the optional position, middle part of the other end or the described tubular film layer of described tubular film layer, it is characterized in that the tubular film that flat film warp folding, heat-sealing form of described tubular film layer for adopting casting technique to prepare.
2. operation tray bagging according to claim 1, it is characterized in that, the preparation method of described flat film is: after the raw material of the described tubular film layer of preparation is added and mixed in mixer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film.
3. operation tray bagging according to claim 1, it is characterized in that, described tubular film layer is made by the mixture of polyolefin polymer, pigment and additive, wherein, described polyolefin polymer is one or more the combination in low density polyethylene (LDPE), LLDPE, metallocene PE, high density polyethylene (HDPE), polypropylene, ethylene-vinyl acetate copolymer and polyolefinic derivative.
4. operation tray bagging according to claim 3, is characterized in that, described additive package contains one or more in antistatic additive, slipping agent, age resister, opening agent.
5. operation tray bagging according to claim 1, is characterized in that, described absorbed layer is nonwoven, operation towel, blotting paper, woodgrained paper, dust-free paper or natural cotton goods.
6. operation tray bagging according to claim 1, is characterized in that, described in to fit into glue bonding or do not use the direct heat laminating of glue.
7. operation tray bagging according to claim 6, is characterized in that, described glue is PUR, the hydrosol, emulsion glue, response type glue or two-sided tape.
8. a preparation method for operation tray bagging as described in any one claim in claim 1 ~ 7, is characterized in that, described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, when described flat film is during also in molten condition, absorbed layer is directly fitted on described flat film, then through pressing, cooling, curing, moulding, makes the flat film that is fitted with described absorbed layer;
(2) dual-side of the flat film that is fitted with described absorbed layer step (1) being made folds, heat-sealing, rolling, makes the tubular film that is fitted with described absorbed layer;
(3) tubular film that is fitted with described absorbed layer step (2) being made through cutting, one end heat-sealing, make operation tray bagging.
9. a preparation method for operation tray bagging as described in any one claim in claim 1 ~ 7, is characterized in that, described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, cooling, curing, moulding, then the flat film of moulding is carried out to on-line spray glue, then absorbed layer is fitted in to the position of the described glue of spraying, the more flat film that is fitted with described absorbed layer is made in pressing;
(2) dual-side of the flat film that is fitted with described absorbed layer step (1) being made folds, heat-sealing, rolling, makes the tubular film that is fitted with described absorbed layer;
(3) tubular film that is fitted with described absorbed layer step (2) being made through cutting, one end heat-sealing, make operation tray bagging.
10. a preparation method for operation tray bagging as described in any one claim in claim 1 ~ 7, is characterized in that, described preparation method comprises the following steps:
(1) after adding mixer to mix the raw material of preparing tubular film layer, send into casting machine heating and melting, then from the die head of described casting machine, flow out curtain coating form flat film, cooling, curing, moulding;
(2) dual-side of flat film step (1) being made folds, heat-sealing, rolling, makes tubular film;
(3) tubular film step (2) being made through cutting, one end heat-sealing, make operation tray bagging semi-finished product;
(4) on the operation tray bagging semi-finished product that make in step (3), artificial laminating absorbed layer, makes operation tray bagging finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692418.9A CN103692592A (en) | 2013-12-17 | 2013-12-17 | Surgical tray cover bag and preparation method for same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310692418.9A CN103692592A (en) | 2013-12-17 | 2013-12-17 | Surgical tray cover bag and preparation method for same |
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| CN103692592A true CN103692592A (en) | 2014-04-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149466A (en) * | 2014-08-08 | 2014-11-19 | 苏州艾兴无纺布制品有限公司 | Intermittent gluing medical apparatus and instrument coating product and automated preparation method thereof |
| CN114714639A (en) * | 2022-04-02 | 2022-07-08 | 浙江本源纸塑科技有限公司 | CPP film book cover production process |
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| DE2952750A1 (en) * | 1979-12-29 | 1981-07-02 | Karl-Heinz Dr. 4802 Halle Sengewald | Sterilised bags of fibre and plastic foils - mfd. by welding after two=stage smoothing of fibre foil edges |
| US5253754A (en) * | 1992-08-14 | 1993-10-19 | American Fluoroseal Corporation | Peel package and method of packaging organs |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104149466A (en) * | 2014-08-08 | 2014-11-19 | 苏州艾兴无纺布制品有限公司 | Intermittent gluing medical apparatus and instrument coating product and automated preparation method thereof |
| CN114714639A (en) * | 2022-04-02 | 2022-07-08 | 浙江本源纸塑科技有限公司 | CPP film book cover production process |
| CN114714639B (en) * | 2022-04-02 | 2024-08-27 | 浙江本源纸塑科技有限公司 | CPP film book cover production process |
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Inventor after: Su Zhaoming Inventor after: Xu Yuanyuan Inventor after: An Shuying Inventor after: Li Gengyu Inventor before: Su Zhaoming Inventor before: An Shuying Inventor before: Li Gengyu |
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Application publication date: 20140402 |