CN102179560B - Double-lumen catheter side port incision device of bronchial blanking plug - Google Patents
Double-lumen catheter side port incision device of bronchial blanking plug Download PDFInfo
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- CN102179560B CN102179560B CN201110057962A CN201110057962A CN102179560B CN 102179560 B CN102179560 B CN 102179560B CN 201110057962 A CN201110057962 A CN 201110057962A CN 201110057962 A CN201110057962 A CN 201110057962A CN 102179560 B CN102179560 B CN 102179560B
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- 230000001105 regulatory effect Effects 0.000 claims description 22
- 210000000621 bronchi Anatomy 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The invention relates to a double-lumen catheter side port incision device of a bronchial blanking plug. A linked clamping mechanism comprises a rear slide block, a front slide block, a movable clamp plate and an operating handle, wherein the front slide block and the rear slide block are respectively arranged in guide grooves or guide holes which are positioned on the front part and the rear part of a machine base; at least two push rods are arranged in the guide holes of the machine base and supported against on the guide surface of the rear slide block; the movable clamp plate arranged on the front part of the machine base is connected with the push rods; the operating handle articulated with the machine base is respectively articulated with the front slide block and the rear slide block through a front connecting rod and a rear connecting rod; a blade is arranged between a tool apron and a pressing block and fixed through a fastening screw; the tool apron is adjustably connected with the front slide block; both ends of an adjustment rod and both ends of a guide pillar are respectively connected with the machine base and a positioning plate; an adjustment part positioned at the outer side of the positioning plate is connected with the adjustment rod; and a catheter rod is arranged on the positioning plate and positioned at the rear part of the blade. The double-lumen catheter side port incision device provided by the invention has the advantages of reasonable structure, reliability for positioning and clamping, handiness for operation and capability of enhancing production efficiency and finished product ratio.
Description
Technical field
The present invention relates to a kind of double channel catheter side opening notching device of bronchus blanking plug; The double channel catheter of the disposable use bronchus blanking plug that the trachea cannula of implementing to ventilate in pulmonary ventilation or predetermined lung district when being used to make thoracic surgery is assisted belongs to technical field of medical instruments.
Background technology
Separate pulmonary ventilation when the bronchus blanking plug is used to out chest, cooperate tracheal catheter to unite use.The bronchus blanking plug mainly is made up of double channel catheter, tracheal catheter, four-way connector and the sacculus etc. that is installed in double channel catheter bottom; Tracheal catheter communicates with the air cavity of double channel catheter through three-way connection; The double channel catheter bottom is connected with sacculus; Air cavity through to double channel catheter charges into gas, double channel catheter is positioned after making inflation, stops up a laterobronchus to reach.And the double channel catheter of bronchus blanking plug is made up of independent air and guidewire lumen, and sacculus is fixed on the end of double channel catheter, communicates with the air chamber of sacculus through the air cavity side opening otch on the double channel catheter, and gas is charged into sacculus.Therefore double channel catheter air cavity side opening needs a length greatly about the otch of 2～5mm; And the endoporus of this side opening is greatly between 0.3～3mm; To double channel catheter side opening otch the time; Normally artificial guidewire lumen with double channel catheter is enclosed within on the catheter shaft, and through the location of the locating piece on the workbench, artificial with blade at the side opening place otch.Because the profile of double channel catheter is circular, the aperture of side opening is little in addition, and is therefore artificial very difficult when the side opening otch; Labor intensity of operating staff is big, is not to cut less to cause to excise the side opening hole wall fully, cuts exactly to cut guidewire lumen more and wears; Guidewire lumen is communicated with air cavity; So the production efficiency of side opening otch operation is low, and yield rate is lower, is the bottleneck problem of producing the bronchus blanking plug at present.
Summary of the invention
The purpose of this invention is to provide a kind of rational in infrastructurely, the location reliable clamping operate lightly, can enhance productivity and the double channel catheter side opening notching device of the bronchus blanking plug of yield rate.
The present invention is that the technical scheme that achieves the above object is: a kind of double channel catheter side opening notching device of bronchus blanking plug; It is characterized in that: comprise support, linking clamping mechanism and be arranged on the anterior cutter head travel mechanism of support and be positioned at the catheter positioning mechanism of support sidepiece; Described linking clamping mechanism comprises rear slider, front-slider and ambulatory splint and operating grip; Front-slider is arranged in anterior front guide slot of support or the preceding guide hole and by last block on the support and following stop limits shift motion; Rear slider is arranged in the back guide hole or back guide groove at support rear portion; And the rear slider medial surface has by plane and the spigot surface that constitutes with the gathering sill of plane smooth transition; At least two push rods are arranged in the guide hole of support and withstand on the spigot surface of rear slider, are arranged on the anterior ambulatory splint of support and are connected with push rod, and on the push rod spring is installed; Dummy pipe arc groove on the ambulatory splint and the anterior corresponding formation of the rear tube arc groove guide hole of support, the operating grip that is hinged on the support is hinged through the rear slider of front rod and back link and front-slider respectively; Described cutter head travel mechanism comprises blade and tool rest and briquetting, and blade is installed between tool rest and the briquetting and through marking closely screw and fixes, and the tool rest scalable is connected on the front-slider; Described catheter positioning mechanism comprises location-plate, adjusting rod and is positioned at least two guide pillars of adjusting rod both sides and has the catheter shaft of male and female face; The two ends of adjusting rod are connected with location-plate with support respectively with the two ends of guide pillar; The regulating part in the location-plate outside is connected with adjusting rod; Catheter shaft is installed on the location-plate and is positioned at the rear portion of blade, and catheter shaft is arranged in the guide hole.
The present invention is integrated into the side opening notching device that linking clamping mechanism, cutter head travel mechanism and catheter positioning mechanism form on the support, and volume is little, and especially linking clamping mechanism adopts front-slider, rear slider and ambulatory splint and operating grip; Rear slider is hinged with front-slider respectively and operating grip is through back link and front rod, makes operating grip, rear slider, front-slider and support formation multi-connecting-rod mechanism, moves up and down through operating grip drive front-slider and rear slider guide groove or the guide hole along the both sides, front and back of support; Can carry out the side opening otch to two-chamber guide rod side opening through the blade that front-slider drives on the tool rest on the one hand; Moving up and down in the process at rear slider on the other hand, making push rod be concavo-convex spigot surface and drive ambulatory splint and move, handling front-slider when operating grip tool rest is lifted along rear slider; Push rod drive this moment ambulatory splint moves outward; Can will be enclosed within double channel catheter end face on the catheter shaft move to the location-plate place and carry out spacingly, and the male and female face of catheter shaft limits double channel catheter and rotates, and locatees convenient and reliable; And operating grip is when handling front-slider tool rest being fallen; Then ambulatory splint is clamped in double channel catheter in the guide hole between support and the ambulatory splint to support one side shifting, places, to clamp double channel catheter convenient and reliable; Compactness rational in infrastructure; Reduced the overhead time of two-chamber guide rod side opening otch effectively, solved and cut less and do not cut the side opening otch or cut the problem of wearing guidewire lumen of cutting that causes more, so can increase substantially production efficiency and side opening kerf quality.The present invention moves up and down distinguishing through operating grip control front-slider and rear slider, and the hinged center of front-slider and rear slider lays respectively at the both sides at the hinged center of support, operates lightly, can alleviate labor intensity of operating personnel significantly.Tool rest scalable of the present invention is connected on the front-slider, so can conveniently control the position of blade, also can process the double channel catheter of different size and the side opening otch of different incisions size, and is applied widely.Catheter positioning of the present invention mechanism adopts location-plate, adjusting rod and catheter shaft and at least two guide pillars; Regulate location-plate with respect to distance between the blade through adjusting rod; Not only convenient distance of regulating between location-plate to the side opening otch; Satisfy the side opening otch of double channel catheter different length, and can be accurately spacing to the incision size of double channel catheter, can satisfy suitability for industrialized production.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are done further to describe in detail.
Fig. 1 is the perspective view of the side opening notching device of double channel catheter of the present invention.
Fig. 2 is the structural representation of the side opening notching device of double channel catheter of the present invention.
Fig. 3 is the A-A sectional structure sketch map of Fig. 2.
Fig. 4 is the B-B sectional structure sketch map of Fig. 2.
Fig. 5 is the structural representation of the present invention when placing the double channel catheter position.
Wherein: 1-support, 1-1-base plate, 1-2-rear tube arc groove, 1-3-body, 1-4-hinged seat, 2-lower fixed seat, 3-ambulatory splint, 3-1-dummy pipe arc groove; The 4-catheter shaft, 5-guide rod limit base, 6-regulating part, 7-adjusting rod, 8-location-plate, 9-guide pillar, 10-upper fixed seat, 11-rear slider; The 11-1-gathering sill, downside pin behind the 12-, the 13-back link is gone up pin, 15-intermediate pin, 16-operating grip, slotted eye behind the 16-1-behind the 14-; Go up pin before the slotted eye before the 16-2-, 17-, downside pin before the 18-front rod, 19-, 20-front-slider, 21-tool rest, 22-tool rest regulating part; The 23-deck, the 24-blade, the 25-briquetting, 26-is marked closely screw, 27-spring base, 28-spring, 29-push rod.
The specific embodiment
See shown in Fig. 1～5 the side opening notching device of double channel catheter of the present invention, support 1, linking clamping mechanism, operating grip 16 and be arranged on the anterior cutter head travel mechanism of support 1 and be positioned at the catheter positioning mechanism of support 1 sidepiece.
See shown in Fig. 1～4; Linking clamping mechanism of the present invention comprises rear slider 11, front-slider 20 and ambulatory splint 3 and operating grip 16; Support 1 can be formed by connecting through securing member base plate 1-1 and body 1-3, or support 1 is welded on the base plate 1-1, and front-slider 20 is arranged in anterior front guide slot of the seat 1 of machine or the preceding guide hole and by last block on the support 1 and following stop limits shift motion; This front guide slot can be dovetail groove or T-slot; And dovetails on the front-slider 20 or T shape piece are arranged on and can move up and down in the front guide slot, the guide hole of this preceding guide hole for matching with front-slider 20, and front-slider 20 shift motions are spacing by last block on the support 1 and following block.The present invention is convenient processing and installation and control; The front upper part of support 1 is equipped with the upper fixed seat 10 with preceding guide hole and front guide slot; The preceding bottom of support 1 is equipped with the lower fixed seat 2 with preceding guide hole and front guide slot; Make front-slider 20 be arranged in front guide slot or the front guide slot of upper fixed seat 10 and lower fixed seat 2 and can move up and down; This upper fixed seat 10 is installed on the support 1 through securing member respectively with lower fixed seat 2, and upper fixed seat 10 of the present invention can also be processed integrative-structure with support 1 with lower fixed seat 2, and this upper fixed seat 10 is that last block is to the degree position of dividing a word with a hyphen at the end of a line on the front-slider 20; And 1 pair of front-slider 20 of counterbore on the lower fixed seat 2 or support moves down stroke limit, convenient and reliable operation.
See shown in Fig. 1～4; The operating grip 16 that the present invention is hinged on support 1 top is hinged with the rear slider 11 of front-slider 20 through front rod 18 and back link 13 respectively; Operating grip 16 is asymmetric V-arrangement; Slotted eye 16-2 and back slotted eye 16-1 before operating grip 16 is provided with, back link 13 is gone up pin 14 through back downside pin 12 and back and is connected with operating grip 16 with rear slider 11 respectively, and hinged seat 1-4 on the support 1 and front rod 18 upsides are separately positioned in the back slotted eye 16-1 and preceding slotted eye 16-2 of operating grip 16; And be connected with the preceding pin 17 of going up through intermediate pin 15 respectively; And front-slider 20 is connected with front rod 18 through preceding downside pin 19, and the front-slider 20 through linking clamping mechanism drives blades 24 and moves and carry out the side opening otch, and the while also drives rear slider 11 and moves the clamping double channel catheter or unclamp double channel catheter.
See shown in Fig. 1～4 that cutter head of the present invention travel mechanism comprises blade 24 and tool rest 21 and briquetting 25, blade 24 is installed between tool rest 21 and the briquetting 25 and is fixing through marking closely screw 26, and tool rest 21 scalable are connected on the front-slider 20.See shown in Figure 3ly, tool rest 21 of the present invention passes on the front-slider 20 and is screwed in tool rest regulating part 22, and the deck 23 with clamping bulge loop is installed on the front-slider 20; And the bulge loop on the deck 23 is arranged in the groove of tool rest regulating part 22; Through deck 23 tool rest 21 can not be moved, and keep the side opening cut-out direction constant, through rotary knife base regulating part 22; Tool rest 21 is moved forward and backward, and the convenient blade 24 of regulating can accurate contralateral exposure carry out otch.Blade 24 of the present invention is a cambered blade, and blade 24 is inserted in the jack of tool rest 21 and through briquetting 25 and joins, and through the screw 26 of marking closely that is installed on the tool rest 21 briquetting 25 and blade 24 is withstood on the tool rest 21, changes blade 24 convenience.
See Fig. 1～4 shown in, catheter positioning of the present invention mechanism comprises location-plate 8, adjusting rod 7 and is positioned at least two guide pillars in adjusting rod both sides 9 and has the catheter shaft 4 of male and female face that the male and female face on the catheter shaft 4 positions double channel catheter; Prevent the rotation of double channel catheter, the two ends of the two ends of adjusting rod 7 and guide pillar 9 are connected with location-plate 8 with support 1 respectively, and the regulating part 6 in location-plate 8 outsides is connected with adjusting rod 7; Through regulating part 6 location-plate 8 can be moved axially along guide pillar 9; Regulate the side opening incision site of double channel catheter, catheter shaft 4 is installed on the location-plate 8 and is positioned at the rear portion of blade 24, and the present invention can be directly positions with the end face of 8 pairs of two-chamber guide rods of location-plate; Also can be as shown in Figure 1; The present invention is installed in guide rod limit base 5 on the location-plate 8, and the end face through guide rod limit base 5 positions the end face of two-chamber guide rod, and double channel catheter is reliably located; This catheter shaft 4 is arranged in the guide hole of support 1 and ambulatory splint 3 formations, and catheter shaft 4 axial lines overlap with the axial line of guide hole.This adjusting rod of the present invention 7 is fixed on the support 1 for screw rod one of which end; Adjusting rod 7 other ends pass location-plate 8 and are connected with regulating part 6, and an end of guide pillar 9 is fixed on the location-plate 8, and the other end of guide pillar 9 passes the guide pillar hole on the support 1; Perhaps an end of adjusting rod 7 is fixed on the support 1; Adjusting rod 7 other ends pass location-plate 8 and are connected with regulating part 6, and an end of guide pillar 9 is fixed on the support 1, and the other end of guide pillar 9 passes the guide pillar hole on the location-plate 8; Location-plate 8 can steadily be regulated, and the side opening incision site of control double channel catheter.
See shown in Fig. 1～5, when the present invention works, lift operating grip 16, operating grip 16 drives front-slider 20 and moves up; Tool rest 21 lifts, and at this moment, rear slider 11 moves down, and the planar top on rear slider 11 spigot surfaces is on push rod 29; Push rod 29 drives ambulatory splints 3 and is in reverse to support 1 and moves, and can the double channel catheter that be sleeved on the catheter shaft 4 be moved to location on the location-plate 8, and during press operation handle 16, front-slider 20 drives tool rests 21 and moves down instantly; And move on the rear slider 11, at this moment, push rod 29 withstands in the gathering sill 11-1 of rear slider 11 spigot surfaces; Ambulatory splint 3 is clamped double channel catheter, and the side opening on 24 pairs of double channel catheters of blade carries out otch, circulates with this.When need are regulated the side opening incision site, through regulating regulating part 6, location-plate 8 is moved with respect to support 1, transfer to desired location and get final product.
Claims (7)
1. the double channel catheter side opening notching device of a bronchus blanking plug; It is characterized in that: comprise support (1), linking clamping mechanism and be arranged on anterior cutter head travel mechanism of support (1) and the catheter positioning mechanism that is positioned at support (1) sidepiece; Described linking clamping mechanism comprises rear slider (11), front-slider (20) and ambulatory splint (3) and operating grip (16); Front-slider (20) is arranged in anterior front guide slot of support (1) or the preceding guide hole and by last block on the support (1) and following stop limits shift motion; Rear slider (11) is arranged in the back guide hole or back guide groove at support (1) rear portion; And rear slider (11) medial surface has by plane and the spigot surface that constitutes with the gathering sill of plane smooth transition; At least two push rods (29) are arranged in the guide hole of support (1) and withstand on the spigot surface of rear slider (11); Being arranged on the anterior ambulatory splint (3) of support (1) is connected with push rod (29); And spring (28) is installed on the push rod (29), dummy pipe arc groove (3-1) on the ambulatory splint (3) and the anterior corresponding formation of rear tube arc groove (1-2) guide hole of support (1), the operating grip (16) that is hinged on the support (1) is hinged with the rear slider (11) of front-slider (20) through front rod (18) and back link (13) respectively; Described cutter head travel mechanism comprises blade (24) and tool rest (21) and briquetting (25), and blade (24) is installed between tool rest (21) and the briquetting (25) and is fixing through marking closely screw (26), and tool rest (21) scalable is connected on the front-slider (20); Described catheter positioning mechanism comprises location-plate (8), adjusting rod (7) and is positioned at least two guide pillars (9) of adjusting rod (7) both sides and has the catheter shaft (4) of male and female face; The two ends of the two ends of adjusting rod (7) and guide pillar (9) are connected with location-plate (8) with support (1) respectively; The regulating part (6) in location-plate (8) outside is connected with adjusting rod (7); Catheter shaft (4) is installed in the rear portion that blade (24) were gone up and be positioned to location-plate (8), and catheter shaft (4) is arranged in the guide hole.
2. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: said ambulatory splint (3) is two; Ambulatory splint (3) lays respectively at the both sides of front-slider (20); The securing member that is installed on the ambulatory splint (3) is screwed in the push rod (29), and the inboard of push rod (29) also is connected with spring base (27), is sleeved on that spring (28) one ends on the push rod (29) withstand on the shoulder block of support (1) jogger hole, the other end withstands on the spring base (27).
3. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: the front upper part of said support (1) is equipped with the upper fixed seat (10) with preceding guide hole and front guide slot; The preceding bottom of support (1) is equipped with the lower fixed seat (2) with preceding guide hole and front guide slot; And upper fixed seat (10) is spacing to moving on the front-slider for last block, and the counterbore of lower fixed seat (2) or support (1) move down spacing to front-slider (20).
4. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: described operating grip (16) is provided with preceding slotted eye (16-2) and back slotted eye (16-1); Back link (13) is gone up pin (14) through back downside pin (12) and back and is connected with operating grip (16) with rear slider (11) respectively; The hinged seat (1-4) on the support (1) and the upper end of front rod (18) are separately positioned in the back slotted eye (16-1) and preceding slotted eye (16-2) of operating grip (16); And be connected with the preceding pin (17) of going up through intermediate pin (15) respectively, and front-slider (20) is connected with front rod (18) through preceding downside pin (19).
5. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: described location-plate (8) outside is equipped with regulating part; One end of adjusting rod (7) is fixed on the support (1); And adjusting rod (7) other end passes location-plate (8) and is connected with regulating part (6), and an end of guide pillar (9) is fixed on the location-plate (8), and the other end of guide pillar (9) passes the guide pillar hole on the support (1).
6. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: described location-plate (8) outside is equipped with regulating part (6); One end of adjusting rod (7) is fixed on the support (1); And adjusting rod (7) other end passes location-plate (8) and is connected with regulating part (6), and an end of guide pillar (9) is fixed on the support (1), and the other end of guide pillar (9) passes the guide pillar hole on the location-plate (8).
7. the double channel catheter side opening notching device of bronchus blanking plug according to claim 1; It is characterized in that: described tool rest (21) passes front-slider (20) and is screwed on the tool rest regulating part (22); Deck (23) with clamping bulge loop is installed on the front-slider (20), and the bulge loop on the deck (23) is arranged in the groove of tool rest regulating part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057962A CN102179560B (en) | 2011-03-11 | 2011-03-11 | Double-lumen catheter side port incision device of bronchial blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057962A CN102179560B (en) | 2011-03-11 | 2011-03-11 | Double-lumen catheter side port incision device of bronchial blanking plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102179560A CN102179560A (en) | 2011-09-14 |
| CN102179560B true CN102179560B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110057962A Expired - Fee Related CN102179560B (en) | 2011-03-11 | 2011-03-11 | Double-lumen catheter side port incision device of bronchial blanking plug |
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| Country | Link |
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| CN (1) | CN102179560B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106524868B (en) * | 2016-12-14 | 2022-08-09 | 镇江泰舸电池隔膜科技有限公司 | Battery separator calibrator |
| CN113386174A (en) * | 2020-03-13 | 2021-09-14 | 江苏核电有限公司 | Narrow space adhesive tape cutting tool and cutting method thereof |
| CN111844153A (en) * | 2020-07-29 | 2020-10-30 | 格特拉克（江西）传动系统有限公司 | Axle tooth protective sheath opening device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424155A (en) * | 2001-12-12 | 2003-06-18 | 陆秀成 | Special pipe cutting and notching tool |
| EP2045032A1 (en) * | 2007-10-04 | 2009-04-08 | Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Tube cutting device and method thereof |
| CN201728700U (en) * | 2010-05-18 | 2011-02-02 | 天津市大港胶管有限公司 | Automobile rubber hose notching machine |
| CN202010346U (en) * | 2011-03-11 | 2011-10-19 | 常州市新能源吻合器总厂有限公司 | Dual-lumen catheter side hole cutting device for bronchus blocker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4074515B2 (en) * | 2002-12-27 | 2008-04-09 | タケダ機械株式会社 | Square pipe material cutting device |
-
2011
- 2011-03-11 CN CN201110057962A patent/CN102179560B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424155A (en) * | 2001-12-12 | 2003-06-18 | 陆秀成 | Special pipe cutting and notching tool |
| EP2045032A1 (en) * | 2007-10-04 | 2009-04-08 | Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Tube cutting device and method thereof |
| CN201728700U (en) * | 2010-05-18 | 2011-02-02 | 天津市大港胶管有限公司 | Automobile rubber hose notching machine |
| CN202010346U (en) * | 2011-03-11 | 2011-10-19 | 常州市新能源吻合器总厂有限公司 | Dual-lumen catheter side hole cutting device for bronchus blocker |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-209555A 2004.07.29 |
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Granted publication date: 20120926 |