CN113910549B - Thermoplastic forming die of implanted flexible magnetic control bladder pump - Google Patents
Thermoplastic forming die of implanted flexible magnetic control bladder pump Download PDFInfo
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- CN113910549B CN113910549B CN202111180883.5A CN202111180883A CN113910549B CN 113910549 B CN113910549 B CN 113910549B CN 202111180883 A CN202111180883 A CN 202111180883A CN 113910549 B CN113910549 B CN 113910549B
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- die
- air bag
- upper die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a thermoplastic forming die of an implanted flexible magnetic control bladder pump, which belongs to the technical field of material forming dies, and has the technical scheme that: the mold comprises an upper mold, a lower mold, a first handle part, a second handle part and a mold core, wherein the wall surfaces of the upper mold and the lower mold are provided with a first size adjusting wall, a first air bag layer and a first outer layer part from inside to outside; the wall surface of the mold core is provided with an inner layer part II, an air bag layer II and a size adjusting wall II from inside to outside, the size adjusting wall I and the size adjusting wall II comprise a plurality of size fixing parts, and a containing cavity I and a containing cavity II are respectively arranged in the two end parts of the size fixing part 2; the first accommodating chamber is fixedly connected with a first spring set, the second accommodating chamber is fixedly connected with a second spring set, and an adjusting part is arranged between the first spring set and the second spring set. The invention is mainly used for manufacturing the flexible magnetic control bladder pump which adapts to different ages and different physical conditions, can effectively improve the matching degree of a finished product and a patient, is simple and convenient to operate, and can effectively improve the manufacturing efficiency of thermoplastic molding.
Description
Technical Field
The invention relates to the technical field of material forming dies, in particular to a thermoplastic forming die of an implantable flexible magnetic control bladder pump.
Background
Bladder dysfunction (UAB) is characterized by prolonged urination due to weakness in muscle contraction, leading to serious complications and even death. The incidence of UAB is high, affected by aging, neurological diseases, trauma, diabetes, and the like. Neuromodulation (SNM) -based therapies have shown potential to overcome OAB (overactive bladder)/DU (detrusor hypoactivity). However, the problems of bladder urination dysfunction are difficult to solve by adopting methods such as medicines, electric stimulation, surgery and somatic nerve reflex treatment or adopting auxiliary urination measures such as abdominal pressure, drainage and diversion at present, and are one of the accepted problems in the medical community. Increasing detrusor contractility is effective to achieve bladder emptying. The prior research proposes an implanted flexible magnetic control bladder pump, which aims to enable a soft robot to wrap a bladder body and physically shrink under corresponding stimulation so as to realize bladder emptying. This strategy effectively increases the intravesical pressure and improves the problem of bladder hypomotility.
The current implanted flexible magnetic control bladder pump is obtained by using a mould and performing thermoplastic molding. Because the age stage of the patient and the physical condition of the individual are different, the size of the bladder is different, but the thermoplastic forming die of the existing implanted flexible magnetic control bladder pump is fixed in size, and the requirement of efficiently manufacturing the sizes of various implanted flexible magnetic control bladder pumps cannot be met.
In order to solve the problems, a thermoplastic molding die of an implantable flexible magnetic control bladder pump is provided on the basis of the prior art.
Disclosure of Invention
The invention aims to provide a thermoplastic molding die of an implantable flexible magnetic control bladder pump, which is beneficial to changing the relative positions of a size fixing part and a size adjusting part by inflating a first air bag layer and a second air bag layer, so that the sizes of a first size adjusting wall and a second size adjusting wall can be changed, the manufactured implantable flexible magnetic control bladder pump can adapt to bladders with different ages and different physical conditions, the matching degree of a finished product and a patient can be effectively improved, the operation of the device is simple, and the thermoplastic molding manufacturing efficiency can be effectively improved.
The technical aim of the invention is realized by the following technical scheme:
a thermoplastic forming die of an implantable flexible magnetic control bladder pump comprises an upper die, a lower die matched with the upper die, a handle part I communicated with the upper die, a handle part II communicated with the lower die and a die core arranged between the upper die and the lower die.
The upper die is buckled with the lower die, the bottom of the upper die and the top of the lower die are concave surfaces, and a cavity is formed by the concave surface at the bottom of the upper die and the concave surface at the top of the lower die; and the volume of the mold core is smaller than the volume of the cavity; the first handle part is matched with the second handle part, and the top surface of the first handle part is provided with a first injection molding opening in a penetrating way; the top surface of the upper die is provided with a plurality of magnetic stripe cavities, the bottom surface of each magnetic stripe cavity is an arc surface, and the top surface of the upper die is provided with a second injection molding opening in a penetrating mode.
The wall surfaces of the upper die and the lower die are sequentially provided with a first size adjusting wall, a first air bag layer and a first outer layer part from inside to outside; the wall surface of the mold core is sequentially provided with an inner layer part II, an air bag layer II and a size adjusting wall II from inside to outside, the size adjusting wall I and the size adjusting wall II respectively comprise a plurality of size fixing parts which are arranged at intervals, and the two end parts of the size fixing parts are respectively provided with a containing cavity I and a containing cavity II; the first accommodating chamber is internally and fixedly connected with a first spring set, the second accommodating chamber is internally and fixedly connected with a second spring set, and an adjusting part is fixedly connected between the first spring set and the second spring set; the outer walls of the upper die, the lower die and the die core are respectively provided with an inflation inlet in a penetrating mode, and the inflation inlets are respectively communicated with the first air bag layer and the second air bag layer.
By adopting the technical scheme, the mold core is arranged between the upper mold and the lower mold, the upper mold and the lower mold are buckled, and then the hot-melt flexible nonmagnetic matrix material is injected into the cavity, so that the main body part of the implanted flexible magnetic control bladder pump is obtained; the handle part I and the handle part II are buckled and are injected with corresponding matrix materials, so that the handle part of the implanted flexible magnetic control bladder pump can be sleeved outside the ureter, and the stability of the implanted flexible magnetic control bladder pump can be assisted.
The cavity is used for helping to obtain the flexible magnetic control bladder pump which can be sleeved outside the bladder so as to solve the problem of bladder urination dysfunction; the injection molding port I is used for injecting a hot-melt matrix material into a space formed by buckling the handle I and the handle II, so that the handle of the implanted flexible magnetic control bladder pump can be sleeved outside a ureter, the stability of the implanted flexible magnetic control bladder pump can be assisted, and the falling of the implanted flexible magnetic control bladder pump can be effectively prevented; the injection molding port II is used for injecting a hot melt matrix material into a space formed by the cavity and the mold core, so that a main body of the flexible magnetic control bladder pump can be obtained; the magnetic strip cavity is used for injecting hot-melt magnetic materials into the bladder cavity, so that a magnetic strip with a certain size can be obtained and is adhered to the outer wall of the flexible magnetic control bladder pump, pressure can be applied to the bladder under the driving of an external magnetic field, and normal urination is conveniently realized.
The first outer layer part and the first inner layer part are used for limiting the overall structure of the upper die, the lower die and the die core so as to obtain the flexible magnetic control bladder pump consistent with the shape of the bladder filled by a human body; the first air bag layer and the second air bag layer are used for being beneficial to inflating and expanding or contracting the first air bag layer and the second air bag layer, so that the relative positions of the size fixing part and the adjusting part in the first size adjusting wall and the second size adjusting wall can be changed, the inner size of the die can be changed, and the flexible magnetic control bladder pump with different sizes can be obtained; the adjusting part is embedded into the end parts of the size fixing parts through the first accommodating cavity and the second accommodating cavity, and the proportion of the adjusting part exposed from the accommodating cavity is changed after the first air bag layer or the second air bag layer is inflated through the cooperation of the first air bag layer, the second air bag layer, the first spring group and the second spring group, so that the inner diameter or the outer diameter of the upper die, the lower die and the die core can be changed, and the flexible magnetic control bladder pump with different sizes can be obtained.
The adoption of the scheme can change the relative positions of the size fixing part and the size adjusting part by inflating the first air bag layer and the second air bag layer, so that the sizes of the first size adjusting wall and the second size adjusting wall are changed, the manufactured implantable flexible magnetic control bladder pump is suitable for bladders of different ages and different physical conditions, the matching degree of a finished product and a patient can be effectively improved, the device is easy and convenient to operate, and the manufacturing efficiency of thermoplastic molding can be effectively improved.
Further, the outer wall of the upper die is hinged with first fasteners, and the number of the first fasteners is at least 2; the lower die is fixedly connected with a fastener II matched with the fastener I.
Through adopting above-mentioned technical scheme, utilize fastener one and fastener two of fixed connection in last mould and lower mould, can fix the relative position of last mould, lower mould and mold core, the thermoplastic shaping of the flexible magnetic control bladder pump of being convenient for.
Further, the number of the magnetic stripe cavities is at least 6, and the sizes of the magnetic stripe cavities are at least 3.
Through adopting above-mentioned technical scheme, the quantity that utilizes the magnetic stripe chamber is 6 at least, and has different sizes, helps obtaining the magnetic stripe that different sizes just can laminate mutually with flexible magnetic control bladder pump.
Further, the first air bag layer and the second air bag layer are made of high-elasticity polyethylene carbon fiber composite resin materials.
By adopting the technical scheme, the first air bag layer and the second air bag layer which are made of the high-elasticity polyethylene carbon fiber composite resin material can have high strength and elasticity, and the shape and the size of the die can be kept stable.
Further, the first air bag layer and the second air bag layer are internally provided with pressure sensors, the outer wall of the lower die is provided with a controller and a display, and the display and the pressure sensors are connected with the controller.
By adopting the technical scheme, the quantitative relation between the inflation pressure and the size of the die is obtained by using the pressure sensor, the controller and the display, so that the die with accurate size can be obtained by controlling the inflation pressure value.
In summary, the invention has the following beneficial effects: the device is favorable to making the relative position of size fixed part and regulating part change through inflating gasbag layer one and gasbag layer two to can make the size of size regulation wall one and size regulation wall two change, so that can make the flexible magnetic control bladder pump of implanted that makes obtain adapt to the bladder of different ages, different health, can effectively improve the matching degree of finished product and patient, and the device is easy and simple to handle, can effectively improve thermoplastic shaping manufacturing efficiency.
Drawings
FIG. 1 is a schematic diagram of a buckling state of an upper die and a lower die according to an embodiment of the present invention;
FIG. 2 is a schematic view of an expanded state structure of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a mold core according to an embodiment of the present invention;
FIG. 4 is a partially expanded schematic illustration of section A of an embodiment of the present invention;
FIG. 5 is a schematic view of the internal partial structure of section B of an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a magnetic stripe chamber according to an embodiment of the present invention.
In the figure: 1. an upper die; 2. a lower die; 3. a handle I; 4. a second handle part; 5. a mold core; 6. a cavity; 7. injection molding port I; 8. a magnetic stripe cavity; 9. injection molding port II; 10. a first size-adjusting wall; 11. an air bag layer I; 12. an outer layer part I; 13. an inner layer part II; 14. an air bag layer II; 15. a second size adjusting wall; 16. a size fixing part; 17. a first accommodating chamber; 18. a second accommodating chamber; 19. a first spring group; 20. a second spring group; 21. an adjusting section; 22. an inflation inlet; 23. a first fastener; 24. a second fastener; 25. a pressure sensor; 26. a controller; 27. a display.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and embodiments:
examples: the thermoplastic molding die of the implantable flexible magnetic control bladder pump comprises an upper die 1, a lower die 2 matched with the upper die 1, a handle part I3 communicated with the upper die 1, a handle part II 4 communicated with the lower die 2 and a die core 5 arranged between the upper die 1 and the lower die 2 as shown in fig. 1 to 6. The mold core 5 is arranged between the upper mold 1 and the lower mold 2, the upper mold 1 and the lower mold 2 are buckled, and then a hot-melt flexible nonmagnetic matrix material is injected into the cavity 6, so that the main body part of the implanted flexible magnetic control bladder pump is obtained; the handle part I3 and the handle part II 4 are buckled and are injected with the flexible matrix material, so that the handle part of the implanted flexible magnetic control bladder pump can be sleeved outside the ureter, and the stability of the implanted flexible magnetic control bladder pump can be assisted.
The upper die 1 is buckled with the lower die 2, the outer wall of the upper die 1 is hinged with first fasteners 23, and the number of the first fasteners 23 is 2; the lower die 2 is fixedly connected with a second fastener 24 matched with the first fastener 23; the upper die 1 is buckled with the lower die 2, the bottom of the upper die 1 and the top of the lower die 2 are concave surfaces, a cavity 6 is formed by the concave surface at the bottom of the upper die 1 and the concave surface at the top of the lower die 2, and the shape of the cavity 6 and the shape of the die core 5 are consistent with the shape of the filled bladder; and the volume of the mold core 5 is smaller than that of the cavity 6; the handle I3 is matched with the handle II 4, the injection molding opening I7 is formed in the top surface of the handle I3 in a penetrating manner, hot-melt matrix materials are injected into a space formed after the handle I3 and the handle II 4 are buckled, the handle of the implanted flexible magnetic control bladder pump is obtained, the implanted flexible magnetic control bladder pump can be sleeved outside a ureter, so that stability of the implanted flexible magnetic control bladder pump can be realized in an assisted manner, and falling can be effectively prevented.
The top surface of the upper die 1 is provided with a plurality of magnetic stripe cavities 8, the bottom surface of each magnetic stripe cavity 8 is an arc surface, the number of the magnetic stripe cavities 8 is 6, and the sizes of the magnetic stripe cavities 8 are 3, so that magnetic stripes which are different in size and can be attached to the flexible magnetic control bladder pump can be obtained; and the top surface of the upper die 1 is penetrated and provided with a second injection molding opening 9, and the second injection molding opening 9 is used for facilitating the injection of a hot melt matrix material into a space formed by the cavity 6 and the die core 5 so as to obtain the main body of the flexible magnetic control bladder pump.
The wall surfaces of the upper die 1 and the lower die 2 are sequentially provided with a size adjusting wall I10, an air bag layer I11 and an outer layer part I12 from inside to outside; the wall surface of the mold core 5 is sequentially provided with a second inner layer part 13, a second air bag layer 14 and a second size adjusting wall 15 from inside to outside; the use of the first and second air bag layers 11 and 14 facilitates the inflation and inflation or deflation of the first and second air bag layers 11 and 14, so that the relative positions of the size fixing portions 16 and 21 in the first and second size adjustment walls 10 and 15 can be changed, and the internal size of the mold can be changed, so that flexible magnetic control bladder pumps of different sizes can be obtained.
The first size adjusting wall 10 and the second size adjusting wall 15 respectively comprise a plurality of size fixing parts 16 which are arranged at intervals, and a first accommodating chamber 17 and a second accommodating chamber 18 are respectively arranged in the end parts of the size fixing parts 162; a first spring group 19 is fixedly connected in the first accommodating chamber 17, a second spring group 20 is fixedly connected in the second accommodating chamber 18, and an adjusting part 21 is fixedly connected between the first spring group 19 and the second spring group 20; the outer walls of the upper die 1, the lower die 2 and the die core 5 are respectively provided with an inflation inlet 22 in a penetrating way, and the inflation inlet 22 is respectively communicated with the first air bag layer 11 and the second air bag layer 14. The adjusting part 21 is embedded into the end part of the size fixing part 16 through the first accommodating chamber 17 and the second accommodating chamber 18, and the mutual cooperation of the first air bag layer 11, the second air bag layer 14, the first spring group 19 and the second spring group 20 is helpful for changing the proportion of the adjusting part 21 exposed from the accommodating chamber after the air bag layer 11 or the second air bag layer 14 is inflated, so that the inner diameter or the outer diameter of the upper die 1, the lower die 2 and the die core 5 can be changed, and further, flexible magnetic control bladder pumps with different sizes can be obtained.
The first air bag layer 11 and the second air bag layer 14 are made of high-elasticity polyethylene carbon fiber composite resin materials, so that the high-elasticity polyethylene carbon fiber composite resin materials have high strength and elasticity, and the stability of the shape and the size of the die is facilitated. The first air bag layer 11 and the second air bag layer 14 are internally provided with pressure sensors, the outer wall of the lower die 2 is provided with a controller 26 and a display 27, the display 27 and the pressure sensor 25 are connected with the controller 26, and the pressure sensor 25, the controller 26 and the display 27 are utilized to help obtain the quantitative relation between the inflation pressure and the die size so as to obtain the die with accurate size by controlling the inflation pressure value.
Working principle: when the thermoplastic forming die is used for manufacturing the implanted flexible magnetic control bladder pump, the die core 5 is arranged in the lower die 2, the upper die 1 and the lower die 2 are buckled through the first buckle part 23 and the second buckle part 24, and the air bag layer I11 and the air bag layer II 14 are inflated through the inflation inlet 22, so that the relative positions of the size fixing part 16 and the adjusting part 21 in the size adjusting wall I10 and the size adjusting wall II 15 are changed, and the internal size of the die can be changed; the adjusting part 21 is embedded into the end part of the size fixing part 16 through the first accommodating chamber 17 and the second accommodating chamber 18, after the first air bag layer 11 or the second air bag layer 14 is inflated, the proportion of the adjusting part 21 exposed out of the accommodating cavity can be changed, so that the inner diameters or the outer diameters of the upper die 1, the lower die 2 and the die core 5 can be changed, hot melt state matrix materials are injected into the die through the first injection molding opening 7 and the second injection molding opening 9, and further flexible magnetic control bladder pumps with different sizes can be obtained.
In the above embodiment of the present invention, the device is used to facilitate the change of the relative positions of the size fixing portion 16 and the adjusting portion 21 by inflating the first air bag layer 11 and the second air bag layer 14, so that the sizes of the size adjusting wall 10 and the size adjusting wall 15 can be changed, the manufactured implantable flexible magnetic control bladder pump can adapt to bladders of different ages and different physical conditions, the matching degree of the finished product and the patient can be effectively improved, the operation of the device is simple, and the manufacturing efficiency of thermoplastic molding can be effectively improved.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (5)
1. A thermoplastic molding die of an implantable flexible magnetic control bladder pump is characterized in that: comprises an upper die (1), a lower die (2) matched with the upper die (1), a first handle (3) communicated with the upper die (1), a second handle (4) communicated with the lower die (2) and a die core (5) arranged between the upper die (1) and the lower die (2);
the upper die (1) is buckled with the lower die (2), the bottom of the upper die (1) and the top of the lower die (2) are concave surfaces, and a cavity (6) is formed by the concave surface at the bottom of the upper die (1) and the concave surface at the top of the lower die (2); and the volume of the mould core (5) is smaller than the volume of the cavity (6); the first handle part (3) is matched with the second handle part (4), and the top surface of the first handle part (3) is provided with a first injection molding opening (7) in a penetrating way; the top surface of the upper die (1) is provided with a plurality of magnetic stripe cavities (8), the bottom surface of each magnetic stripe cavity (8) is an arc surface, and the top surface of the upper die (1) is provided with a second injection molding opening (9) in a penetrating way;
the wall surfaces of the upper die (1) and the lower die (2) are sequentially provided with a first size adjusting wall (10), a first air bag layer (11) and a first outer layer part (12) from inside to outside; the wall surface of the mold core (5) is sequentially provided with a second inner layer part (13), a second air bag layer (14) and a second size adjusting wall (15) from inside to outside, the first size adjusting wall (10) and the second size adjusting wall (15) respectively comprise a plurality of size fixing parts (16) which are arranged at intervals, and the two end parts of the size fixing parts (16) are respectively provided with a first accommodating chamber (17) and a second accommodating chamber (18); a first spring group (19) is fixedly connected in the first accommodating chamber (17), a second spring group (20) is fixedly connected in the second accommodating chamber (18), and an adjusting part (21) is fixedly connected between the first spring group (19) and the second spring group (20); the outer walls of the upper die (1), the lower die (2) and the die core (5) are respectively provided with an inflation inlet (22) in a penetrating mode, and the inflation inlet (22) is respectively communicated with the first air bag layer (11) and the second air bag layer (14).
2. The thermoplastic molding die of the implantable flexible magnetic bladder pump according to claim 1, wherein: the outer wall of the upper die (1) is hinged with first fasteners (23), and the number of the first fasteners (23) is at least 2; the lower die (2) is fixedly connected with a fastener II (24) matched with the fastener I (23).
3. The thermoplastic molding die of the implantable flexible magnetic bladder pump according to claim 1, wherein: the number of the magnetic strip cavities (8) is at least 6, and the sizes of the magnetic strip cavities (8) are at least 3.
4. The thermoplastic molding die of the implantable flexible magnetic bladder pump according to claim 1, wherein: the first air bag layer (11) and the second air bag layer (14) are made of high-elasticity polyethylene carbon fiber composite resin materials.
5. The thermoplastic molding die of the implantable flexible magnetic bladder pump according to claim 1, wherein: the air bag comprises an air bag body, a lower die (2) and a display (27), wherein pressure sensors are arranged in the air bag layer I (11) and the air bag layer II (14), the outer wall of the lower die (2) is provided with the controller (26) and the display (27), and the display (27) and the pressure sensor (25) are connected with the controller (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111180883.5A CN113910549B (en) | 2021-10-11 | 2021-10-11 | Thermoplastic forming die of implanted flexible magnetic control bladder pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111180883.5A CN113910549B (en) | 2021-10-11 | 2021-10-11 | Thermoplastic forming die of implanted flexible magnetic control bladder pump |
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| CN113910549A CN113910549A (en) | 2022-01-11 |
| CN113910549B true CN113910549B (en) | 2023-08-08 |
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