CN221132889U - Support tectorial membrane device - Google Patents
Support tectorial membrane device Download PDFInfo
- Publication number
- CN221132889U CN221132889U CN202322653179.8U CN202322653179U CN221132889U CN 221132889 U CN221132889 U CN 221132889U CN 202322653179 U CN202322653179 U CN 202322653179U CN 221132889 U CN221132889 U CN 221132889U
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- China
- Prior art keywords
- mandrel
- stent
- rotating shaft
- pushing device
- push plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000002489 tectorial membrane Anatomy 0.000 title description 2
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000003618 dip coating Methods 0.000 description 4
- 239000007888 film coating Substances 0.000 description 4
- 238000009501 film coating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model relates to the technical field of medical equipment, and particularly discloses a bracket laminating device which comprises a left pushing device and a right pushing device which are fixed on a base, wherein a liquid groove is arranged between the left pushing device and the right pushing device, and groove body structures for placing left core shafts and right core shaft support column structures are arranged on the left side and the right side of the liquid groove; the left cylinder that left pusher was equipped with drives the left socle displacement on many left slide rails through promoting left connecting rod, the through-hole is seted up at left socle middle part and is installed the rotation axis through the bearing, the locking device that is used for fixed left dabber outer end support column is installed to the one end that the rotation axis is close to the liquid groove. Through setting up left and right pusher and connecting rod structure, can be timely carry out the propelling movement to a plurality of processing positions, be convenient for fix the bush core of naked support parcel, improve work efficiency. Meanwhile, the servo motor driving part is provided with a belt transmission structure, and the next adjacent transmission piece is driven to operate through belt transmission, so that a plurality of stations can be processed at a time.
Description
Technical Field
The utility model relates to the technical field of stent coating, in particular to a stent coating device.
Background
The covered stent is characterized in that a membranous structure is additionally added on the surface of a traditional metal stent in a dip-coating, bonding and other modes, and the membranous structure can prevent human tissues from growing into the stent, so that the occurrence of restenosis is avoided. In stent coating operation, it is important how to ensure uniformity of coating, and at the same time, there is a certain requirement for processing efficiency. However, in the prior art, the laminating equipment is complex and high in cost, the technical scheme of realizing laminating uniformity and improving working efficiency is difficult to realize synchronously, and the laminating liquid tank is not matched with the laminating bracket and the lining core. Furthermore, the cooperation of the finishing station and the initial fixing of the core also determine the operational stability of the finishing station.
Disclosure of utility model
Based on this, the object of the present utility model is to provide a stent graft device which aims at the deficiencies of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A stent laminating device comprises a lining core composed of a left mandrel, a right mandrel and a heat shrink tube, wherein a bare stent is wrapped outside the lining core; the outer ends of the left mandrel and the right mandrel are of support column structures, and annular protrusions are arranged on support columns at the outer end of the right mandrel; the device also comprises a left pushing device and a right pushing device which are fixed on the base, wherein a liquid groove is arranged between the left pushing device and the right pushing device, and groove body structures for placing left core shafts and right core shaft support column structures are arranged on the left side and the right side of the liquid groove; the left cylinder arranged on the left pushing device drives left brackets on the plurality of left slide rails to move by pushing the left connecting rods, a through hole is formed in the middle of each left bracket, a rotating shaft is arranged through a bearing, and a locking device for fixing a support column at the outer end of the left mandrel is arranged at one end, close to the liquid tank, of each rotating shaft; the automatic processing machine further comprises a servo motor, the other end of the rotating shaft is connected with a coupler at the head end of the servo motor, a main driving belt pulley is arranged between the coupler and the rotating shaft, the main driving belt pulley drives a driven wheel arranged on the adjacent first rotating shaft to rotate, and a driving wheel is arranged outside a main shaft of the driven wheel to drive a driven wheel on the next rotating shaft to rotate, so that a plurality of processing stations can be carried out at a time.
As a further improvement of the utility model, a right cylinder arranged on the right pushing device drives a right bracket on a plurality of right slide rails to move by pushing a right connecting rod; the right support is provided with a U-shaped groove for placing the right mandrel downwards along the top.
As a further improvement of the utility model, the inner side and the bottom of the U-shaped groove are provided with grooves for limiting the annular bulge on the right mandrel.
As a further improvement of the utility model, the servo motor is fixed on the left slide rail where the main driving belt wheel is located, and the sliding block connecting part of the servo motor and the left slide rail is fixedly connected with the left connecting rod.
As a further improvement of the utility model, the left connecting rod comprises a left push plate fixed on a left cylinder push column, one end of the left push plate, which is close to the servo motor, is fixed with a sliding block connecting part of the left push plate, and one side of the left push plate, which is close to the left bracket, is provided with a left push rod; except for the left support on the left slide rail where the main driving belt wheel is, the left supports are fixedly connected with the corresponding left push rods.
As a further improvement of the utility model, the right connecting rod comprises a right push plate fixed on a right cylinder push column, and the right push plate is fixed by attaching all right brackets.
As a further improvement of the utility model, the left bracket is in sliding connection with the left sliding rail through a left sliding block; the right support is in sliding connection with the right sliding rail through a right sliding block.
As a further improvement of the utility model, the locking device is of a hollow structure, a locking screw hole is formed on the locking device, and the rotating shaft is fixedly connected with the support column at the outer end of the left mandrel through a locking screw.
As a further improvement of the utility model, the outer diameters of the left mandrel and the right mandrel are the same, and are connected through a key groove structure, the inner diameter of the heat shrinkage tube is the same as the outer diameters of the left mandrel and the right mandrel, the outer diameter is the same as the inner diameter of the bare bracket, and the heat shrinkage tube is sleeved on the left mandrel and the right mandrel.
As a further improvement of the utility model, the outer diameter of the bare bracket is slightly smaller than the distance between two sides of the long-side tank body in the liquid tank.
The beneficial effects of the utility model are as follows:
1. The utility model provides a bracket film covering device which can effectively eliminate the influence of gravity on a dipping liquid by adopting a horizontal rotation mode, so that the dip coating effect is more uniform. Through setting up left and right pusher and connecting rod structure, can be timely carry out the propelling movement to a plurality of processing positions, be convenient for fix the bush core of naked support parcel, improve work efficiency. Meanwhile, the servo motor driving part is provided with a belt transmission structure, and the next adjacent transmission piece is driven to operate through belt transmission, so that a plurality of stations can be processed at a time.
2. Through set up annular arch on right lining core outer end support column to and set up in right branch frame U-shaped inslot with annular protruding complex channel, the direct positioning when can be convenient for lining core place. Meanwhile, the lining core can be prevented from deviating from a processing station in the rotating process, so that the bare stent is ensured to be subjected to film coating processing more stably, and the uniformity of film coating is further ensured.
3. The liquid tank is matched with the size of the lining core wrapped by the bare stent, residual dip-coating liquid is less after the film coating is finished, and the utilization rate of raw materials is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall assembly structure of the present utility model.
Fig. 2 is a schematic diagram of the structure of the lining core of the present utility model.
FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present utility model.
Fig. 4 is a schematic diagram of the right bracket structure of the utility model.
In the figure: the device comprises a base 1, a liquid tank 2, a left cylinder 3, a left connecting rod 4, a right cylinder 6, a right connecting rod 7, a servo motor 9, a main driving pulley 10, a rotating shaft 11, a locking device 12, a tank body structure 21, a left push plate 41, a left push rod 42, a left slide rail 51, a left slide block 52, a left bracket 53, a right push plate 71, a right slide rail 81, a right slide block 82, a right bracket 83, a coupling 91, a lining core 100, a left core shaft 101, a right core shaft 102, a heat shrinkage tube 103, an annular protrusion 1021, a locking screw 121, a U-shaped groove 831 and a channel 832.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a stent laminating device comprises a lining core 100 consisting of a left mandrel 101, a right mandrel 102 and a heat shrink tube 103, wherein a bare stent is wrapped outside the lining core 100. The outer ends of the left mandrel 101 and the right mandrel 102 are of support column structures, and annular protrusions 1021 are arranged on support columns at the outer end of the right mandrel 102; the device also comprises a left pushing device and a right pushing device which are fixed on the base 1, a liquid tank 2 is arranged between the left pushing device and the right pushing device, the liquid tank 2 and the base 1 are of an integrated structure, and the left side and the right side of the liquid tank are provided with tank body structures 21 for placing the support column structures of the left mandrel 101 and the right mandrel 102. The left cylinder 3 that left pusher was equipped with drives the left socle 53 displacement on a plurality of left slide rails 51 through promoting left connecting rod 4, and the through-hole is seted up at left socle 53 middle part and is installed rotation axis 11 through the bearing, and rotation axis 11 is close to the one end of liquid groove 2 and installs the locking device 12 that is used for fixed left dabber 100 outer end support column. The automatic processing device is characterized by further comprising a servo motor 9, wherein the other end of a rotating shaft 11 is connected through a coupler 91 at the head end of the servo motor 9, a main driving belt pulley 10 is arranged between the coupler 91 and the rotating shaft 11, the main driving belt pulley 10 drives a driven wheel arranged on the adjacent first rotating shaft 11 to rotate, and a driving wheel is arranged outside a main shaft of the driven wheel to drive a driven wheel on the next rotating shaft 11 to rotate, so that a plurality of locking devices 12 are driven by a single servo motor 9 to rotate, and a plurality of processing stations can be carried out at a time.
Further, the right cylinder 6 arranged on the right pushing device drives the right brackets 83 on the plurality of right sliding rails 81 to move by pushing the right connecting rod 7; the right bracket 83 is provided with a U-shaped groove 831 for placing the right spindle 200 along the top downward. The grooves 832 are formed in the inner side and the bottom of the U-shaped groove 831 and used for limiting the annular protrusion 1021 on the right mandrel 200, so that the positioning of the core 100 can be facilitated when the core 100 is placed, and meanwhile, the core 100 can be prevented from deviating from a processing station in the rotating process, and the film coating processing of the bare bracket is ensured to be more stable.
Specifically, the servomotor 9 is fixed to the left slide rail 51 on which the primary pulley 10 is located, and the slider connecting portion of the servomotor 9 and the left slide rail 51 is fixedly connected with the left link 4. The left connecting rod 4 comprises a left push plate 41 fixed on a push column of the left cylinder 3, one end of the left push plate 41, which is close to the servo motor 9, is fixed with a sliding block connecting part of the left push plate 41, and a left push rod 42 is arranged on one side of the left push plate 41, which is close to the left bracket 53; except for the left support 53 on the left slide rail 51 where the main driving belt wheel 10 is located, all the left supports 53 are fixedly connected with the corresponding left push rods 42. The right connecting rod 7 comprises a right pushing plate 71 fixed on a pushing column of the right cylinder 6, and the right pushing plate 71 is fixed by attaching all right brackets 83.
Further, the left bracket 53 is slidably connected with the left slide rail 51 through the left slide block 52; the right bracket 83 is slidably connected to the right slide rail 81 through the right slider 82.
Further, the locking device 12 is of a hollow structure, a locking screw hole is formed in the locking device 12, and the rotating shaft 11 is fixedly connected with a support column at the outer end of the left mandrel 101 through a locking screw 121.
Further, the outer diameters of the left mandrel 101 and the right mandrel 102 are the same, and are connected through a key groove structure, the inner diameter of the heat shrinkage tube 103 is the same as the outer diameters of the left mandrel 101 and the right mandrel 102, the outer diameter is the same as the inner diameter of the bare stent, and the heat shrinkage tube 103 is sleeved on the left mandrel 101 and the right mandrel 102; the outer diameter of the bare bracket is slightly smaller than the distance between two sides of the long side tank body in the liquid tank 2.
The specific operation flow is as follows: the left mandrel 101 and the right mandrel 102 are respectively inserted into the heat shrinkage tube 103 from the left end and the right end to form a lining core 100; the bare bracket is sleeved on the lining core 100; the dip coating liquid is then added to the liquid tank 2. The right cylinder 6 is opened, and the right bracket 83 is pushed to a specified position by the right link 7 and the right push plate 71. The bare stent wrapped core 100 is placed in the liquid tank 2 with the annular protrusion 1021 on the outer support post of the right mandrel 102 corresponding to the channel 832 in the right stent 83U's trough 831. The left cylinder 3 is opened, and the left bracket 53 on the left slider 52 is pushed to a specified position by the left link 4 and the left push plate 41. The support column at the outer end of the left mandrel 101 and the connecting shaft 11 are locked by locking screws 121 on the locking device 12. The servo motor 9 is turned on when the power supply is turned on, and the lining cores 100 and the bare brackets on the processing stations are driven to rotate at constant speed in the liquid tank 2 through the belt transmission structure and the locking device 12, so that stable film covering is realized.
The foregoing is a description of embodiments of the present application, and it should be noted that, for those skilled in the art, modifications and variations can be made without departing from the principles of the embodiments of the present application, and such modifications and variations are also considered to be within the scope of the present application.
Claims (10)
1. A stent laminating device comprises a lining core composed of a left mandrel, a right mandrel and a heat shrink tube, wherein a bare stent is wrapped outside the lining core; the device is characterized in that the outer ends of the left mandrel and the right mandrel are of support column structures, and annular protrusions are arranged on support columns at the outer end of the right mandrel; the device also comprises a left pushing device and a right pushing device which are fixed on the base, wherein a liquid groove is arranged between the left pushing device and the right pushing device, and groove body structures for placing left core shafts and right core shaft support column structures are arranged on the left side and the right side of the liquid groove; the left cylinder arranged on the left pushing device drives left brackets on the plurality of left slide rails to move by pushing the left connecting rods, a through hole is formed in the middle of each left bracket, a rotating shaft is arranged through a bearing, and a locking device for fixing a support column at the outer end of the left mandrel is arranged at one end, close to the liquid tank, of each rotating shaft;
The automatic processing machine further comprises a servo motor, the other end of the rotating shaft is connected with a coupler at the head end of the servo motor, a main driving belt pulley is arranged between the coupler and the rotating shaft, the main driving belt pulley drives a driven wheel arranged on the adjacent first rotating shaft to rotate, and a driving wheel is arranged outside a main shaft of the driven wheel to drive a driven wheel on the next rotating shaft to rotate, so that a plurality of processing stations can be carried out at a time.
2. The stent laminating device according to claim 1, wherein a right cylinder provided on the right pushing device drives the right stents on the plurality of right slide rails to move by pushing the right connecting rod; the right support is provided with a U-shaped groove for placing the right mandrel downwards along the top.
3. The stent graft device of claim 2, wherein the channels are formed on the inner side and the bottom of the U-shaped groove for limiting the annular protrusion on the right mandrel.
4. The stent graft device of claim 1, wherein the servomotor is secured to a left rail on which the primary pulley is located, and wherein a slider connection portion of the servomotor and the left rail is fixedly connected to the left link.
5. The stent graft device of claim 1, wherein the left connecting rod comprises a left push plate fixed on a left cylinder push column, one end of the left push plate close to the servo motor is fixed with a sliding block connecting part of the left push plate, and a left push rod is arranged on one side of the left push plate close to the left stent; except for the left support on the left slide rail where the main driving belt wheel is, the left supports are fixedly connected with the corresponding left push rods.
6. The stent graft device of claim 2, wherein the right link comprises a right push plate secured to a right cylinder push post, the right push plate secured against all right stents.
7. The stent graft device of claim 2, wherein the left stent is slidably coupled to the left rail by a left slider; the right support is in sliding connection with the right sliding rail through a right sliding block.
8. The stent graft device of claim 1, wherein the locking device is of a hollow structure, a locking screw hole is formed in the locking device, and the rotating shaft is fixedly connected with the support column at the outer end of the left mandrel through the locking screw.
9. The stent graft device of claim 1, wherein the left mandrel and the right mandrel have the same outer diameter and are connected by a key slot structure, the heat shrink tube has the same inner diameter as the left mandrel and the right mandrel, the outer diameter is the same as the inner diameter of the bare stent, and the heat shrink tube is sleeved on the left mandrel and the right mandrel.
10. The stent graft device of claim 1, wherein the bare stent has an outer diameter slightly less than the spacing between the sides of the long side channel in the fluid channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653179.8U CN221132889U (en) | 2023-09-28 | 2023-09-28 | Support tectorial membrane device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653179.8U CN221132889U (en) | 2023-09-28 | 2023-09-28 | Support tectorial membrane device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221132889U true CN221132889U (en) | 2024-06-14 |
Family
ID=91423128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322653179.8U Active CN221132889U (en) | 2023-09-28 | 2023-09-28 | Support tectorial membrane device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221132889U (en) |
-
2023
- 2023-09-28 CN CN202322653179.8U patent/CN221132889U/en active Active
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