CN107596458A - Negative pressure drainage bar and for negative pressure drainage bar sponge strip perforate punch - Google Patents
Negative pressure drainage bar and for negative pressure drainage bar sponge strip perforate punch Download PDFInfo
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- CN107596458A CN107596458A CN201710670758.XA CN201710670758A CN107596458A CN 107596458 A CN107596458 A CN 107596458A CN 201710670758 A CN201710670758 A CN 201710670758A CN 107596458 A CN107596458 A CN 107596458A
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- sponge strip
- negative pressure
- mould
- drilling pipe
- pressure drainage
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Abstract
Negative pressure drainage bar uniform, that sponge strip is difficult for drop-off, and the punch for the sponge strip perforation for the negative pressure drainage bar are drained the purpose of the present invention is to propose to a kind of.The negative pressure drainage bar of the present invention is made up of sponge strip and drainage tube, and the side wall of the drainage tube is uniformly provided with conduction hole；The sponge strip is provided with through hole；Key is that the head end of the through hole is the bell mouth shape structure of gradually expanded form；The drainage tube is located in through hole, and the shape of drainage tube is consistent with shape of through holes；The tail end of drainage tube is exposed to sponge strip.The punch of the present invention can drill out the through hole for the bell mouth shape structure that one end end is gradually expanded form on sponge strip automatically, drainage using the not only each position of negative pressure drainage bar made of above-mentioned sponge strip is uniform, it is also prevented from when negative pressure drainage bar is pulled out into the drain sites such as patient's fistula, the sponge strip on negative pressure drainage bar comes off.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance, and in particular to a kind of negative pressure drainage bar and be negative pressure drainage bar
Sponge strip perforation punch.
Background technology
Negative-pressure sealed drainage art（Vacuum Sealing Drainage, VSD）, refer to be cured by the WFleischman of Germany
Teacher is original in early 1990s and is used for the technology of the soft tissue surface of a wound, and the technology wraps up more side openings conductions using medical foam
Inserted after pipe by drainage area, then be allowed to be hedged off from the outer world by drainage area with permeability album leave membrane closure, connected high negative pressure source, formed
One efficient drainage system.Negative pressure drainage art needs to protect carrier of the traumatic material as drainage.Medical rank polyvinyl alcohol, which has, to be closed
The features such as into convenience, safety and low toxicity, product quality easily controllable, cheap, easy to use.Medical grade polyvinyl alcohol material passes through
Processing is crossed, the products such as film, sponge are made, medical film and shield traumatic material can be used as to use.
The polyvinyl alcohol foam sponge of negative pressure drainage requires there is good bio-compatible performance, good mechanical performance and
Machinability and good therapeutic effect.The biocompatibility of sponge is good, soft texture, small for the excitant of the surface of a wound,
Foreign body sensation unobvious；Sponge it is elastic good, there is loose structure, aperture is big, will not be flattened by negative pressure during negative pressure drainage, cause to draw
Stream is not smooth, and the substantial amounts of time can be saved to follow-up cutting and poling process, is advantageous to improve productivity ratio, reduces contaminated
Risk；Stretch-proof, anti-extrusion, water absorbing capacity are strong, can meet the requirement used.Therefore, medical PVA sponge is in negative pressure
Drainage block technique is applied will be more and more wider.
The diameter of all positions of the sponge strip of current negative pressure drainage bar and the conduction hole of drainage tube is all identical, such
Following drawbacks be present in structure：1st, the drainage effect of each position of negative pressure drainage bar is uneven, drawing at negative pressure generating device
Flowing effect will be far better than the drainage effect of other positions；2nd, when negative pressure drainage bar is pulled out into the drain sites such as patient's fistula,
Sponge strip on negative pressure drainage bar easily comes off and stayed in patient body.
In addition, in actual production, the cutting of negative pressure drainage bar and piercing process are crucial production processes, existing perforation
Machine can only be wasted time and energy by manual operation and production efficiency is low, and percent defective is high, can not meet current production requirement.
The content of the invention
The purpose of the present invention is to propose to it is a kind of drain uniformly, sponge strip negative pressure drainage bar difficult for drop-off, and for for
The punch of the sponge strip perforation of the negative pressure drainage bar.
The negative pressure drainage bar of the present invention is made up of sponge strip and drainage tube, and the side wall of the drainage tube is uniformly provided with drainage
Hole；The sponge strip is provided with through hole；Key is that the head end of the through hole is the bell mouth shape structure of gradually expanded form；The drainage tube
In through hole, and the shape of drainage tube is consistent with shape of through holes；The tail end of drainage tube is exposed to sponge strip.
Because the head end of above-mentioned through hole and drainage tube is the bell mouth shape structure of gradually expanded form, therefore drainage strip head end draws
Fluid space is bigger than the drainage space of other positions, and correspondingly, its conduction hole is also just more, in the effect of identical drainage negative pressure
Under, the ability of drainage is more stronger than other positions；But because head end is farthest apart from negative pressure generating device, therefore negative pressure herein is inhaled
Power is less than other positions, so integrates, and the drainage ability everywhere of whole piece drainage tube tends to be identical.
In addition, the head end of the gradually expanded form of above-mentioned negative pressure drainage bar is also prevented from negative pressure drainage bar pulling out patient's fistula
During Deng drain site, the sponge strip on negative pressure drainage bar comes off.
The structure of the punch proposed by the present invention for being used to perforate for the sponge strip of above-mentioned negative pressure drainage bar is as follows：The perforation
Machine is made up of mould, elevating mechanism, guide rail, sliding block, motor, hollow drilling pipe, fore-set, perforation platform and fixed block；The mould
It is installed on elevating mechanism, and positioned at the top of perforation platform；The guide rail positioned at perforation platform side, and with perforate platform
Vertically；The fixed block is fixed relative to guide rail, and sliding block is movably installed on guide rail, and positioned at fixed block with perforation platform it
Between, sliding block is provided with slider-actuated mechanism, to drive sliding block to be moved along guide rail；The motor is fixed on sliding block, the drilling pipe
It is movably installed in by support on sliding block, and the motor shaft of motor is connected by transmission mechanism with drilling pipe, to drive drilling pipe to rotate；
The both ends open of the drilling pipe, the fore-set, which is horizontal, to be fixed on fixed block, and small toward drilling pipe, the diameter of fore-set
In the internal diameter of drilling pipe；The mould is the box body structure of bottom end opening, and the side wall of mould is provided with the opening passed through for drilling pipe；And institute
It is taper or trapezoidal to state side of the mould away from guide rail.
The operation principle of above-mentioned punch is as follows：
The strip sponge strip of well cutting is placed on perforation platform first, and the lower section of face mould；Will using elevating mechanism
Mould moves down, and covers sponge strip；Then drive sliding block to be moved towards mould direction using slider-actuated mechanism, utilize simultaneously
Motor driven drilling pipe rotates；Drilling pipe is stretched into mould by the opening of mould side wall, and the sponge strip in mould is drilled；Boring
While hole, sponge strip can move in the presence of drilling pipe, and gradually be pressed on the tapered side of mould so that the tapered side of mould
Sponge strip it is even closer, drilling pipe at this sponge strip drill when, although drilling diameter it is unchanged, the sea bored
Continuous more, so when sponge strip recovers original soft fluffy state, the hole of this position can form the bell mouth shape of gradually expanded form naturally
Structure.The length of above-mentioned sponge strip should be less than the length of the side wall parallel to guide rail direction of mould so that sponge strip can
Moved in the direction of mould interior edge guide rail；The width of sponge strip should be slightly less than or the side wall perpendicular to guide rail direction equal to mould
Length, to limit sponge strip rocking in mould.
After sponge strip is drilled into hole using drilling pipe, sliding block is driven to be moved towards fixed Block direction using slider-actuated mechanism
Dynamic, so that drilling pipe exits mould and sponge strip, during exiting, side wall of the mould close to guide rail side can prevent sponge
Bar moves with drilling pipe；After drilling pipe is moved rearwards certain distance, fore-set will be extend into drilling pipe, so as to by the sponge in drilling pipe
Eject drilling pipe.
Specifically, the elevating mechanism is made up of fixed mount and the cylinder being installed on fixed mount, the fixed mount frame
Located at the top of perforation platform, the mould is fixed on the piston rod of cylinder.Mould oscilaltion is controlled using cylinder, had
There is the advantages of easy to control, stroke accuracy is high.
Further, the perforation platform is the conveyer belt that beat-type is advanced；The side wall parallel to guide rail direction of mould
Bottom is cutting edge.Sponge to be cut is placed on the conveyor belt, cutting using both sides sidewall bottom when mould declines every time
Cut sword and sponge is cut into predetermined bar shaped, because conveyer belt is that beat-type is advanced, therefore when conveyer belt pauses, you can enter
Row boring work, after the completion of drilling, mould rises, and conveyer belt continues on, and carries out the cutting and drilling of next sponge strip, from
And realize continuous production.
The punch of the present invention can drill out the bell mouth shape structure that one end end is gradually expanded form on sponge strip automatically
Through hole, the drainage using the not only each position of negative pressure drainage bar made of above-mentioned sponge strip is uniform, is also prevented from by negative pressure
When drainage strip pulls out the drain sites such as patient's fistula, the sponge strip on negative pressure drainage bar comes off.
Brief description of the drawings
Fig. 1 is the structural representation of the negative pressure drainage bar of the present invention.
Fig. 2 is the front view of the punch of the present invention（Bore state）.
Fig. 3 is the front view of the punch of the present invention（Non-drilled state）.
Fig. 4 is the top view of the punch of the present invention（Non-drilled state）.
Accompanying drawing indicates：1st, sponge strip；2nd, drainage tube；3rd, conduction hole；4th, through hole；5th, mould；6th, guide rail；7th, sliding block；8th, it is electric
Machine；9th, drilling pipe；10th, fore-set；11st, perforation platform；12nd, fixed block；13rd, support；14th, transmission mechanism.
Embodiment
Below against accompanying drawing, by the description to embodiment, for example involved to the embodiment of the present invention is each
Mutual alignment and annexation, the effect of each several part and operation principle between the shape of component, construction, each several part etc. are made into one
The detailed description of step.
Embodiment 1:
As illustrated, the negative pressure drainage bar of the present embodiment is made up of sponge strip 1 and drainage tube 2, the side wall of the drainage tube 2 is uniform
Provided with conduction hole 3；The sponge strip 1 is provided with through hole 4；Key is that the head end of the through hole 4 is the bell mouth shape knot of gradually expanded form
Structure；The drainage tube 2 is located in through hole 4, and the shape of drainage tube 2 is consistent with the shape of through hole 4；The tail end of drainage tube 2 is exposed to
Sponge strip 1.
The structure of the punch for being used to perforate for the sponge strip 1 of above-mentioned negative pressure drainage bar of the present embodiment is as follows：
The punch is by mould 5, elevating mechanism（It is not drawn into figure）, guide rail 6, sliding block 7, motor 8, hollow drilling pipe 9, fore-set 10,
Perforation platform 11 and fixed block 12 are formed；The mould 5 is installed on elevating mechanism, and positioned at the top of perforation platform 11；Institute
Guide rail 6 is stated positioned at the side of perforation platform 11, and it is vertical with perforation platform 11；The fixed block 12 is fixed relative to guide rail 6, sliding
Block 7 is movably installed on guide rail 6, and between fixed block 12 and perforation platform 11, sliding block 7 is provided with slider-actuated mechanism
（Stepper motor and roller driven by stepper motors can be used to be used as slider-actuated mechanism, slider-actuated machine is not drawn into figure
Structure）, to drive sliding block 7 to be moved along guide rail 6；The motor 8 is fixed on sliding block 7, and support 13 is fixed with sliding block 7, described
Drilling pipe 9 is rotatably installed on support 13 by bearing, and the motor shaft of motor 8 passes through transmission mechanism 14（The present embodiment is adopted
Transmission mechanism 14 is used as by the use of belt）It is connected with drilling pipe 9, to drive drilling pipe 9 to rotate；The both ends open of the drilling pipe 9, toward brill
The side wall of drilling pipe 9 of one end of hole platform is provided with sawtooth；The fore-set 10, which is horizontal, to be fixed on fixed block 12, and toward
Drilling pipe 9, the diameter of fore-set 10 are less than the internal diameter of drilling pipe 9；The mould 5 is the box body structure of bottom end opening, and the side wall of mould 5 is set
There is the opening passed through for drilling pipe 9；And the side of the mould 5 away from guide rail 6 is isosceles trapezoid.
The operation principle of above-mentioned punch is as follows：
The strip sponge strip 1 of well cutting is placed on perforation platform 11 first, and the lower section of face mould 5；Utilize lift
Structure moves down mould 5, and covers sponge strip 1；Then sliding block 7 is driven to be moved towards the direction of mould 5 using slider-actuated mechanism,
Drilling pipe 9 is driven to rotate using motor 8 simultaneously；Drilling pipe 9 is stretched into mould 5 by the opening of the side wall of mould 5, to the sponge in mould 5
Bar 1 is drilled；While drilling, sponge strip 1 can move in the presence of drilling pipe 9, and gradually be pressed on the taper of mould 5
Side so that the sponge strip 1 of the tapered side of mould 5 is even closer（I.e. density is bigger）, drilling pipe 9 drills to the sponge strip 1 at this
When, although the diameter of drilling is unchanged, the sponge bored is more, so when sponge strip 1 recovers original soft fluffy state,
The hole of this position can form the bell mouth shape structure of gradually expanded form naturally.The length of above-mentioned sponge strip 1 should be less than the parallel of mould 5
In the length of the side wall in the direction of guide rail 6（L1 length i.e. in figure）So that sponge strip 1 can be in the direction of the interior edge guide rail 6 of mould 5
It is mobile；The width of sponge strip 1 should be slightly less than or the length of the side wall perpendicular to the direction of guide rail 6 equal to mould 5（L2 i.e. in figure
Length）, to limit the rocking in mould 5 of sponge strip 1.
After sponge strip 1 is drilled into hole using drilling pipe 9, sliding block 7 is driven towards the side of fixed block 12 using slider-actuated mechanism
To movement, so that drilling pipe 9 exits mould 5 and sponge strip 1, during exiting, side wall of the mould 5 close to the side of guide rail 6 can
To prevent sponge strip 1 from being moved with drilling pipe 9；After drilling pipe 9 is moved rearwards certain distance, fore-set 10 will be extend into drilling pipe 9, from
And the sponge in drilling pipe 9 is ejected into drilling pipe 9.
Specifically, the elevating mechanism is made up of fixed mount and the cylinder being installed on fixed mount, the fixed mount frame
Located at the top of perforation platform 11, the mould 5 is fixed on the piston rod of cylinder.Mould is controlled to be risen about 5 using cylinder
Drop, there is the advantages of easy to control, stroke accuracy is high.
In the present embodiment, platform 11 of perforating is the conveyer belt that beat-type is advanced；Mould 5 parallel to the direction of guide rail 6
Sidewall bottom is cutting edge.Sponge to be cut is placed on the conveyor belt, both sides sidewall bottom is utilized when mould 5 declines every time
Cutting edge sponge is cut into predetermined bar shaped, because conveyer belt is that beat-type is advanced, therefore when conveyer belt pauses, i.e.,
Boring work can be carried out, after the completion of drilling, mould 5 rises, and conveyer belt continues on, carry out next sponge strip 1 cutting and
Drilling, so as to realize continuous production.
Claims (4)
1. a kind of negative pressure drainage bar, is made up of sponge strip and drainage tube, the side wall of the drainage tube is uniformly provided with conduction hole；It is described
Sponge strip is provided with through hole；It is characterized in that the head end of the through hole is the bell mouth shape structure of gradually expanded form；The drainage tube is located at
In through hole, and the shape of drainage tube is consistent with shape of through holes；The tail end of drainage tube is exposed to sponge strip.
2. it is a kind of be used for for negative pressure drainage bar described in claim 1 sponge strip perforate punch, it is characterised in that by mould,
Elevating mechanism, guide rail, sliding block, motor, hollow drilling pipe, fore-set, perforation platform and fixed block are formed；The mould installion is in lifting
In mechanism, and positioned at the top of perforation platform；The guide rail is located at the side of perforation platform, and vertical with perforation platform；It is described
Fixed block is fixed relative to guide rail, and sliding block is movably installed on guide rail, and between fixed block and perforation platform, is set on sliding block
There is slider-actuated mechanism, to drive sliding block to be moved along guide rail；The motor is fixed on sliding block, and the drilling pipe passes through support activity
It is installed on sliding block, and the motor shaft of motor is connected by transmission mechanism with drilling pipe, to drive drilling pipe to rotate；The two of the drilling pipe
End opening, the fore-set, which is horizontal, to be fixed on fixed block, and is less than the interior of drilling pipe toward drilling pipe, the diameter of fore-set
Footpath；The mould is the box body structure of bottom end opening, and the side wall of mould is provided with the opening passed through for drilling pipe；And the mould is remote
The side of guide rail is taper or trapezoidal.
3. the punch that the sponge strip according to claim 2 for negative pressure drainage bar is perforated, it is characterised in that the lifting
Mechanism is made up of fixed mount and the cylinder being installed on fixed mount, and the fixed mount is set up in the top of perforation platform, the mould
Tool is fixed on the piston rod of cylinder.
4. the punch that the sponge strip for negative pressure drainage bar according to Claims 2 or 3 is perforated, it is characterised in that described to wear
Hole platform is the conveyer belt that beat-type is advanced；The sidewall bottom parallel to guide rail direction of mould is cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670758.XA CN107596458B (en) | 2017-08-08 | 2017-08-08 | Negative pressure drainage strip and perforating machine for sponge strip of negative pressure drainage strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670758.XA CN107596458B (en) | 2017-08-08 | 2017-08-08 | Negative pressure drainage strip and perforating machine for sponge strip of negative pressure drainage strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107596458A true CN107596458A (en) | 2018-01-19 |
| CN107596458B CN107596458B (en) | 2020-04-14 |
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ID=61064447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670758.XA Active CN107596458B (en) | 2017-08-08 | 2017-08-08 | Negative pressure drainage strip and perforating machine for sponge strip of negative pressure drainage strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107596458B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202528275U (en) * | 2012-04-13 | 2012-11-14 | 保定莱盛打印机配件有限公司 | Foam strip perforating device for powder feeding roller of printer |
| CN203017552U (en) * | 2012-12-26 | 2013-06-26 | 李秋 | Negative pressure drainage tube |
| CN103419247A (en) * | 2013-08-23 | 2013-12-04 | 东莞市樟木头雅丰海绵制品加工厂 | Molding system for sponge pipe |
| CN204106816U (en) * | 2014-10-15 | 2015-01-21 | 中国人民解放军南京军区南京总医院 | The double-cavity negative-pressure drainage tube of the preposition sponge used under scope |
| CN204709600U (en) * | 2015-06-24 | 2015-10-21 | 胡海涛 | A kind of negative pressure drainage irrigating canula |
-
2017
- 2017-08-08 CN CN201710670758.XA patent/CN107596458B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202528275U (en) * | 2012-04-13 | 2012-11-14 | 保定莱盛打印机配件有限公司 | Foam strip perforating device for powder feeding roller of printer |
| CN203017552U (en) * | 2012-12-26 | 2013-06-26 | 李秋 | Negative pressure drainage tube |
| CN103419247A (en) * | 2013-08-23 | 2013-12-04 | 东莞市樟木头雅丰海绵制品加工厂 | Molding system for sponge pipe |
| CN204106816U (en) * | 2014-10-15 | 2015-01-21 | 中国人民解放军南京军区南京总医院 | The double-cavity negative-pressure drainage tube of the preposition sponge used under scope |
| CN204709600U (en) * | 2015-06-24 | 2015-10-21 | 胡海涛 | A kind of negative pressure drainage irrigating canula |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107596458B (en) | 2020-04-14 |
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Effective date of registration: 20200422 Address after: 510515, No. 1838, Guangzhou Avenue, Baiyun District, Guangdong, Guangzhou Patentee after: SOUTHERN HOSPITAL, SOUTHERN MEDICAL University Address before: 510510, room 103, 2405 Jingxi Road, Guangdong, Guangzhou Co-patentee before: Wan Mianshui Patentee before: Wang Jian |