CN116825421A - Medical image transmission cable with high flexibility and long mechanical life - Google Patents
Medical image transmission cable with high flexibility and long mechanical life Download PDFInfo
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- CN116825421A CN116825421A CN202310302483.XA CN202310302483A CN116825421A CN 116825421 A CN116825421 A CN 116825421A CN 202310302483 A CN202310302483 A CN 202310302483A CN 116825421 A CN116825421 A CN 116825421A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 105
- 230000008054 signal transmission Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 69
- 239000000741 silica gel Substances 0.000 claims description 68
- 229910002027 silica gel Inorganic materials 0.000 claims description 68
- 229920006231 aramid fiber Polymers 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000002897 polymer film coating Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 230000007774 longterm Effects 0.000 claims 9
- 239000010410 layer Substances 0.000 abstract description 25
- 238000001125 extrusion Methods 0.000 abstract description 10
- 238000007373 indentation Methods 0.000 abstract description 6
- 239000011241 protective layer Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000000945 filler Substances 0.000 description 9
- 239000004760 aramid Substances 0.000 description 7
- 229920003235 aromatic polyamide Polymers 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920000052 poly(p-xylylene) Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/048—Flexible cables, conductors, or cords, e.g. trailing cables for implantation into a human or animal body, e.g. pacemaker leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Endoscopes (AREA)
Abstract
The application relates to the technical field of medical cables, and provides a medical image transmission cable with high flexibility and long mechanical life, which comprises a power signal wire, a shielding protective layer, a plurality of control signal wires and a plurality of pairs of signal transmission pairs, wherein the power signal wire is arranged in the shielding protective layer, and each control signal wire is uniformly distributed in the shielding protective layer; an installation space is formed between the power signal wire and the control signal wire, each signal transmission pair is uniformly distributed in the installation space, each signal transmission pair is clamped between the power signal wire and two adjacent control signal wires, and a round filling layer is arranged between the signal transmission pair and the power signal wire. Based on the method, the definition of the imaged image can be kept good, the extrusion and torsion applied to the transmission cable can be overcome when the transmission cable is used, and the situation that the transmission cable is locally provided with indentations or folds is reduced.
Description
Technical Field
The application relates to the technical field of medical cables, in particular to a medical image transmission cable with high flexibility and long mechanical life.
Background
The medical image transmission cable is a cable applied to medical equipment and used for transmitting shot images, and because the cable needs to enter the human body, the cable has higher performance requirements: it should meet the requirements of modern sterilization technology, have high flexibility and long mechanical life, and maintain excellent signal transmission performance. Common image transmission cables cannot meet the requirements of modern medical means and medical equipment. In surgery, if the image transmission cable used is not satisfactory, the whole surgery may fail and even endanger the life of the patient. Therefore, there is a need to produce an image transmission cable for surgery capable of transmitting high-definition image signals while surgery is in progress.
Disclosure of Invention
In order to keep good definition of the imaged images, the application provides the medical image transmission cable with high flexibility and long mechanical life.
The medical image transmission cable with high flexibility and long mechanical life provided by the application adopts the following technical scheme:
a medical image transmission cable with high flexibility and long mechanical life comprises a power signal wire, a shielding protection layer, a plurality of control signal wires and a plurality of pairs of signal transmission pairs, wherein the power signal wire is arranged in the shielding protection layer, and each control signal wire is uniformly arranged in the shielding protection layer; an installation space is formed between the power signal wire and the control signal wire, each signal transmission pair is uniformly distributed in the installation space, each signal transmission pair is clamped between the power signal wire and two adjacent control signal wires, and a round filling layer is arranged between the signal transmission pair and the power signal wire.
By adopting the technical scheme, the power signal wires and the control signal wires with different functions are arranged in the shielding protective layer in a separated mode, so that the mutual electric interference among different wire groups can be reduced, the electric interference of electrons in a human body to each wire group and the signal transmission pair can be reduced, the signal transmission stability of the signal transmission pair is improved, good definition is kept after image signals are imaged, and the smooth operation of a surgical operation is facilitated. In addition, the arrangement of the round filling layer is used for increasing the roundness and the cable strength of the transmission cable so as to overcome the extrusion and torsion when the transmission cable is used, reduce the situation that the transmission cable locally has the indentation or crease, be beneficial to the signal transmission stability and the definition of the follow-up imaging of the transmission cable, and enable the transmission cable to maintain high flexibility and long mechanical life.
Optionally, the rounded filling layer includes a plurality of aramid filling lines, and the aramid filling lines are simultaneously abutted against the power signal line and two adjacent signal transmission pairs.
By adopting the technical scheme, the aramid fiber filling wire has the advantages of high strength and light weight, and the aramid fiber filling wire is arranged around the power signal wire, so that the compressive strength of the periphery of the power signal wire can be improved, and the power signal wire can maintain good mechanical life; in addition, fill in aramid fiber between power signal line and two adjacent signal transmission pairs, can carry out firm support to signal transmission pair to improve the holistic circularity of transmission cable, it is convenient to reset after buckling, torsion when transmission cable uses, has the advantage of high flexibility.
Optionally, the round filling layer is an aramid filling block arranged in a regular polygon, and each corner position of the aramid filling block is respectively right opposite to each control signal line; the inside die cavity that is equipped with of aramid fiber filling piece, power signal line are located the die cavity, and each interior angle position of die cavity still is equipped with the bearing structure who is used for improving transmission cable circularity.
Through adopting foretell technical scheme, the aramid fiber filler piece that adopts the aramid fiber to make has intensity height and light in weight's advantage, sets up the power signal line in the die cavity of aramid fiber filler piece inside, can play better guard action to the power signal line for the power signal line keeps good mechanical life. In addition, through making each corner position of aramid fiber filler respectively just to each control signal line, when the transmission cable outside received the extrusion, control signal line was to the deformation in and is supported in aramid fiber filler, can support signal transmission pair through bearing structure, makes transmission cable keep good circularity to reduce the inside each line group of transmission cable and locally appear the possibility of indentation or crease, keep signal transmission stability and the follow-up clear of formation of image of transmission cable.
Optionally, the support structure includes integrated into one piece's first supporting part and second supporting part, and the one end that second supporting part was kept away from to first supporting part is connected in die cavity interior angle position, and the both ends of second supporting part are connected in the double-phase adjacent inner wall of aramid fiber filling piece respectively.
Through adopting foretell technical scheme, when transmission cable received the extrusion and made control signal line support in aramid fiber filler, first supporting part atress inwards deforms, can drive the both ends of second supporting part outwards deformation in order to further support the double-phase adjacent inner wall of aramid fiber filler to make transmission cable keep good circularity.
Optionally, the supporting structure further includes a plurality of steel balls, and each steel ball is filled between the second supporting portion and an inner angle position of the cavity.
Through adopting foretell technical scheme, the compressive strength of aramid fiber filler piece can further be improved in the setting of steel ball, further reduces the inside each line group part of transmission cable and appears the possibility of indentation, and when the transmission cable is buckled simultaneously, the possibility that the crease appears can effectively be reduced to the steel ball of stereoplasm, is favorable to forcing the transmission cable to resume to original state moreover, and then makes the transmission cable keep good circularity. In addition, the arrangement of the steel balls can also improve the shock resistance of the transmission cable, and is also beneficial to keeping the transmission cable in good mechanical life.
Optionally, the shielding protection layer includes first band, braided shield cover, second band and the silica gel sheath that from inside to outside set gradually, and the outside of silica gel sheath scribbles and is equipped with polymer film coating.
Through adopting foretell technical scheme, with first band and second band setting in the both sides of weaving the shielding cover for play insulating effect, and the setting of weaving the shielding cover is used for playing the effect of electric signal shielding, reduces the electronic interference to each line group and signal transmission pair in the human body. In addition, the setting of silica gel sheath is used for improving the bearing capacity of transmission cable, reduces the condition of excessive deformation after the transmission cable is pressed to through the polymer film coating that scribbles on silica gel sheath surface improves the biocompatibility of transmission cable, so that make the transmission cable get into the human body and shoot.
Optionally, the silica gel sheath includes interior silica gel cover and the outer silica gel cover that mutually overlaps and establish, and a plurality of first tooth portions have evenly been laid in interior silica gel cover outside, and a plurality of second tooth portions have evenly been laid to outer silica gel cover inboard, and each first tooth portion all corresponds the card and locates between two adjacent second tooth portions, all is formed with deformation space between each second tooth portion and the outer silica gel cover inner wall.
By adopting the technical scheme, as the inner silica gel sleeve and the outer silica gel sleeve are made of elastic silica gel materials, each first tooth part and each second tooth part are correspondingly clamped and matched, and when the transmission cable is bent or twisted, the first tooth parts and the second tooth parts can be mutually extruded and gradually deform towards the inside of the deformation space, so that the flexible use of the transmission cable is facilitated; and after the transmission cable is used, the elastic extrusion force between the first tooth part and the second tooth part can force the inner silica gel sleeve and the outer silica gel sleeve to reset, so that the transmission cable is restored to a round shape, and the transmission cable is favorable for keeping the good mechanical life of each wire group in the transmission cable.
Optionally, the first tooth portion is inside to be equipped with the buffer tank, and the buffer tank is the arc groove, and the pitch that the pitch axis of buffer tank is located the buffer tank and is close to one side of weaving the shielding cover, and buffer tank to interior silica gel cover axis is by buffer tank pitch arc direction's one end to the other end gradual change.
By adopting the technical scheme, the buffer groove can provide a deformation area for the first tooth part, so that the elastic deformation range of the inner silica gel sleeve is further improved, and the flexible use of the transmission cable is facilitated; and the arc line axis of the buffer groove is arranged on one side of the buffer groove, which is close to the woven shielding sleeve, and the arc line of the buffer groove is outwards, so that the elastic reset between the first tooth part and the second tooth part is more facilitated, and each line group in the transmission cable can maintain good mechanical life.
Optionally, each buffer groove is divided into a first buffer groove and a second buffer groove, and all the first buffer grooves and all the second buffer grooves are alternately arranged along the circumferential direction of the inner silica gel sleeve; each first buffer groove and the adjacent second buffer groove are symmetrically arranged along the radial line direction of the inner silica gel sleeve.
Through adopting foretell technical scheme, through setting up first buffer tank and second buffer tank along the radial line direction symmetry of interior silica gel cover, first buffer tank and second buffer tank can bear the torsion that comes from two different torsion directions respectively to further improve transmission cable's elasticity reset ability.
Optionally, an impermeable layer is coated on the outer side of the inner silica gel sleeve, and water absorbing paper is arranged in the deformation space.
Through adopting foretell technical scheme, the setting of barrier layer can reduce the inside various tissue fluid infiltration of human body and weave the condition of shielding cover and inside each line group when transmission cable uses, and the tissue fluid of interception can get into deformation space and absorbed by the absorbent paper along interior silica gel cover surface to make inside line group and signal transmission keep good mechanical life to.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the round filling layer is used for increasing the roundness and the cable strength of the transmission cable, so that the extrusion and the torsion of the transmission cable are overcome when the transmission cable is used, the condition that the transmission cable is locally provided with indentations or folds is reduced, the signal transmission stability and the subsequent imaging definition of the transmission cable are facilitated, and the transmission cable is enabled to maintain high flexibility and long mechanical life;
2. through the clamping fit of each first tooth part and each second tooth part, the elastic extrusion force between the first tooth part and the second tooth part can force the inner silica gel sleeve and the outer silica gel sleeve to reset after the transmission cable is stressed, so that the transmission cable is restored to a round shape, and the transmission cable is favorable for keeping each wire group in the transmission cable to have good mechanical life;
3. through setting up first buffer tank and second buffer tank along the radial line direction symmetry of interior silica gel cover, first buffer tank and second buffer tank can bear the torsion that comes from two different torsion directions respectively to further improve the elasticity reset ability of transmission cable.
Drawings
Fig. 1 is a schematic view of the internal structure of a transmission cable in embodiment 1;
fig. 2 is a schematic view of the internal structure of the transmission cable in embodiment 2;
FIG. 3 is a schematic structural view of an aramid filler block in example 2;
fig. 4 is a schematic view of the internal structure of the transmission cable in embodiment 3;
fig. 5 is an enlarged view at a in fig. 4.
Reference numerals illustrate: 1. a power signal line; 2. a control signal line; 3. a signal transmission pair; 31. a metal wire; 32. a ground wire; 33. an electrical shielding sleeve; 4. a shielding protective layer; 41. a first strap; 42. braiding a shielding sleeve; 43. a second strap; 44. a silica gel sheath; 441. a polymer film coating; 45. an inner silica gel sleeve; 451. a first tooth portion; 452. a buffer tank; 453. a first buffer tank; 454. a second buffer tank; 46. an outer silica gel sleeve; 461. a second tooth portion; 47. a deformation space; 48. a water absorbing paper; 5. an aramid filling line; 6. aramid fiber filling blocks; 61. a cavity; 62. a support structure; 63. a first support portion; 64. a second supporting part; 65. and (5) steel balls.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
Example 1
The embodiment of the application discloses a medical image transmission cable with high flexibility and long mechanical life.
Referring to fig. 1, a medical image transmission cable with high flexibility and long mechanical life comprises a power signal wire 1, a shielding protection layer 4, a plurality of control signal wires 2 and a plurality of pairs of signal transmission pairs 3; the power signal wire 1 is arranged in the shielding protection layer 4, and the power signal wire 1 consists of 4 32AWG power wires and an insulating sleeve sleeved outside the 4 power wires.
In this embodiment, 4 control signal lines 2 are provided, each control signal line 2 is uniformly arranged inside the shielding protection layer 4, and each control signal line 2 is abutted against the inner side of the shielding protection layer 4; the control signal line 2 is composed of 3 32WAG signal lines and an insulating sleeve sleeved outside the 3 signal lines.
An installation space is formed between each control signal wire 2 and the power signal wire 1, and each signal transmission pair 3 is uniformly arranged in the installation space; the number of the signal transmission pairs 3 is equal to the number of the control signal wires 2, and each signal transmission pair 3 comprises two metal wires 31, a ground wire 32 and an electric shielding sleeve 33 sleeved outside the ground wire 32 and the two metal wires 31.
The signal transmission pair 3 is clamped between the power signal line 1 and two adjacent control signal lines 2, a round filling layer is arranged between the signal transmission pair 3 and the power signal line 1, the round filling layer comprises a plurality of aramid fiber filling lines 5, the number of the aramid fiber filling lines 5 is equal to that of the signal transmission pair 3, and each aramid fiber filling line 5 is abutted against the power signal line 1 and the two adjacent signal transmission pairs 3; the aramid fiber filling layer made of aramid fiber has the advantages of high strength and light weight, can increase the roundness of the transmission cable and the strength of the cable, is convenient for overcoming the extrusion and torsion suffered when the transmission cable is used, and is beneficial to keeping the definition of subsequent imaging.
The shielding protective layer 4 comprises a first strap 41, a woven shielding sleeve 42, a second strap 43 and a silica gel sheath 44 which are sequentially arranged from inside to outside, wherein the first strap 41 and the second strap 43 are made of insulating materials such as FEP or PFA and are used for playing an insulating role; the braided shielding sleeve 42 is braided by silver-plated copper wires, zinc-plated copper wires or other synthetic wires, and is used for playing a role of shielding electric signals and reducing electric interference of electrons in a human body on each wire group in the transmission cable and signal transmission pairs 3.
The silica gel sheath 44 is made of silica gel material, and the silica gel sheath 44 can be tightly sleeved outside the second wrapping band 43 by utilizing a tubular extrusion process, so that the flexibility of the transmission cable in use is improved; the polymer film coating 441 is also coated on the outer side of the silica gel sheath 44, and the polymer film coating 441 is a parylene coating, so that parylene is attached to the surface of the silica gel sheath 44 through a vacuum vapor deposition process, and the parylene has good electrical property and protective property and good biocompatibility, so that a transmission cable can enter the human body for shooting.
The implementation principle of the embodiment 1 of the application is as follows:
the power signal wire 1 and the control signal wire 2 with different functional purposes are arranged in the shielding protection layer 4 in a separated mode, so that the situation that electric interference is generated among different wire groups can be reduced, the electric interference of electrons in a human body to each wire group and the signal transmission pair 3 can be reduced, the signal transmission stability of the signal transmission pair 3 is improved, good definition is kept after image signals are imaged, and the smooth operation of a surgical operation is facilitated.
In addition, the arrangement of the round filling layer is used for increasing the roundness and the cable strength of the transmission cable so as to overcome the extrusion and torsion when the transmission cable is used, reduce the situation that the transmission cable locally has the indentation or crease, be beneficial to the signal transmission stability and the definition of the follow-up imaging of the transmission cable, and enable the transmission cable to maintain high flexibility and long mechanical life.
Example 2
The embodiment of the application discloses a medical image transmission cable with high flexibility and long mechanical life.
Referring to fig. 2, in the medical image transmission cable with high flexibility and long mechanical life disclosed in the embodiment of the present application, the other components are the same as those in embodiment 1, and are not described in detail herein; the difference from example 1 is that:
the rounding filling layer is set to be an aramid fiber filling block 6, the shape of the aramid fiber filling block 6 is a regular polygon, and the specific shape of the aramid fiber filling block can be adaptively adjusted according to the number of the signal transmission pairs 3; the aramid fiber filling block 6 of the embodiment is arranged in a regular quadrangle, and four groups of signal transmission pairs 3 are respectively pressed against four side walls of the aramid fiber filling block 6. Referring to fig. 3, a cavity 61 is formed in the aramid fiber filling block 6, the shape of the cavity 61 is the same as that of the aramid fiber filling block 6, and the power signal wire 1 is arranged in the cavity 61; each corner position of the aramid fiber filling block 6 is opposite to each control signal line 2, and can play a supporting role when the transmission cable is extruded and the control signal lines 2 deform inwards, so that the transmission cable maintains good roundness, and the signal transmission stability and the subsequent imaging definition of the transmission cable are further maintained.
Each inner angle position of the cavity 61 is provided with a supporting structure 62 for further improving roundness of the transmission cable; the supporting structure 62 includes a first supporting portion 63, a second supporting portion 64, and steel balls 65, where the first supporting portion 63 and the second supporting portion 64 are integrally formed with the aramid fiber filling block 6. One end of the first supporting part 63 is connected to the inner corner of the cavity 61, and the other end is connected to the middle of the second supporting part 64; two ends of the second supporting portion 64 are respectively connected to two adjacent inner walls of the cavity 61, the second supporting portion 64 is in an arc shape, and an arc-shaped axis of the second supporting portion 64 is located at one side of the second supporting portion 64 away from the first supporting portion 63. When the control signal wire 2 abuts against the corner position of the aramid fiber filling block 6, the first supporting portion 63 is stressed and deformed inwards to drive the two ends of the second supporting portion 64 to deform outwards, so that the side wall of the aramid fiber filling block 6 and the signal transmission pair 3 are supported, and the roundness of the transmission cable is further maintained.
Referring to fig. 3, a plurality of steel balls 65 are provided, and all the steel balls 65 are commonly filled between the second supporting portion 64 and the inner corner position of the aramid fiber filling block 6; the arrangement of the steel balls 65 can further improve the compressive strength of the aramid fiber filling block 6, is beneficial to forcing the transmission cable to restore to the original state, and further improves the roundness of the transmission cable, so that the signal transmission of the transmission cable is stable and the subsequent imaging is clear.
Example 3
The embodiment of the application discloses a medical image transmission cable with high flexibility and long mechanical life.
Referring to fig. 4, in the medical image transmission cable with high flexibility and long mechanical life disclosed in the embodiment of the present application, the other components are the same as those in embodiment 1, and are not described in detail herein; the difference from example 1 is that:
the silica gel sheath 44 of this embodiment includes an inner silica gel sleeve 45 and an outer silica gel sleeve 46 that are sleeved with each other, a plurality of first teeth 451 are uniformly arranged on the outer side of the inner silica gel sleeve 45, a plurality of second teeth 461 are uniformly arranged on the inner side of the outer silica gel sleeve 46, and each first tooth 451 is correspondingly clamped between two second teeth 461, so that the inner silica gel sleeve 45 and the outer silica gel sleeve 46 are tightly sleeved. Referring to fig. 5, the space between the first tooth 451 and the outer side surface of the inner silica gel sleeve 45 is set to be larger than the space between the second tooth 461 and the inner side surface of the outer silica gel sleeve 46, and the deformation space 47 can be formed between the first tooth 451 and the adjacent second tooth 461 after the inner silica gel sleeve 45 and the outer silica gel sleeve 46 are sleeved, so that the inner silica gel sleeve 45 or the outer silica gel sleeve 46 is elastically deformed when the transmission cable is stressed, and the flexibility of using the transmission cable is improved.
The outer side of the inner silica gel sleeve 45 is coated with an impermeable layer, and the impermeable layer is prepared by coating ceramic sand as a raw material on the surface of the inner silica gel sleeve 45 by adopting a vacuum vapor deposition process, has the functions of water resistance and impermeable, and is beneficial to keeping each line group in the transmission cable to have good mechanical life; the deformation space 47 is also internally provided with a piece of absorbent paper 48, and the absorbent paper 48 is processed by using pure wood pulp or fluff pulp as a raw material, so that the absorbent paper can absorb liquid intercepted by the impermeable layer, and further the transmission cable can maintain good mechanical life.
In addition, a buffer slot 452 is formed in each first tooth part 451, the buffer slot 452 is an arc slot, and the arc axis of the buffer slot 452 is positioned at one side of the buffer slot 452 close to the braided shielding sleeve 42; the distance from each buffer groove 452 to the central axis of the inner silica gel sleeve 45 gradually changes from one end to the other end in the arc direction of the buffer groove 452; the buffer groove 452 is provided to further improve the elastic deformation range of the inner silica gel cover 45, thereby further improving the flexibility of use of the transmission cable.
In this embodiment, all the buffer grooves 452 are divided into a first buffer groove 453 and a second buffer groove 454, the distance between the first buffer groove 453 and the central axis of the inner silica gel sleeve 45 is gradually increased from one end to the other end in the arc direction of the first buffer groove 453, and the distance between the central axis of the inner silica gel sleeve 45 in the second buffer groove 454 is gradually decreased from one end to the other end in the arc direction of the second buffer groove 454; all the first buffer grooves 453 and all the second buffer grooves 454 are alternately arranged along the circumferential direction of the inner silica gel sleeve 45, and adjacent second buffer grooves 454 of the first buffer grooves 453 are symmetrically arranged along the radial direction of the inner silica gel sleeve 45.
It will be appreciated that the aramid filler block 6 and the support structure 62 of example 2 are also applicable to this embodiment.
The implementation principle of the embodiment 3 of the application is as follows:
the arrangement of the first buffer groove 453 and the second buffer groove 454 improves the elastic deformation range of the inner silica gel sleeve 45, which is beneficial to flexible use of the transmission cable, and the arc lines of the first buffer groove 453 and the second buffer groove 454 are outward, which is more beneficial to elastic reset between the first tooth 451 and the second tooth 461; in addition, the first buffer groove 453 and the second buffer groove 454 can respectively bear torsion forces from two different torsion directions, so that the elastic resetting capability of the transmission cable is further improved, and each wire group in the transmission cable can maintain good mechanical life.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A medical image transmission cable with high flexibility and long mechanical life is characterized in that: the power supply signal line (1) is arranged inside the shielding protection layer (4), and each control signal line (2) is uniformly arranged inside the shielding protection layer (4); the power supply signal line (1) and the control signal line (2) are provided with installation spaces, the signal transmission pairs (3) are uniformly distributed in the installation spaces, each signal transmission pair (3) is clamped between the power supply signal line (1) and two adjacent control signal lines (2), and a rounding filling layer is arranged between the signal transmission pair (3) and the power supply signal line (1).
2. The high flexibility long-term mechanical life medical image transmission cable of claim 1, wherein: the rounding filling layer comprises a plurality of aramid fiber filling lines (5), and the aramid fiber filling lines (5) are simultaneously abutted against the power signal line (1) and two adjacent signal transmission pairs (3).
3. The high flexibility long-term mechanical life medical image transmission cable of claim 1, wherein: the rounding filling layer is an aramid fiber filling block (6) which is arranged in a regular polygon, and each corner position of the aramid fiber filling block (6) is respectively right opposite to each control signal line (2); the aramid fiber filling block is characterized in that a cavity (61) is formed in the aramid fiber filling block (6), the power signal wire (1) is located in the cavity (61), and a supporting structure (62) for improving roundness of the transmission cable is further arranged at each inner angle of the cavity (61).
4. A high flexibility long-term mechanical life medical image transmission cable according to claim 3, wherein: the support structure (62) comprises a first support part (63) and a second support part (64) which are integrally formed, one end of the first support part (63) away from the second support part (64) is connected to the inner angle position of the cavity (61), and two ends of the second support part (64) are respectively connected to two adjacent inner walls of the aramid fiber filling block (6).
5. The high flexibility long-term mechanical life medical image transmission cable of claim 4, wherein: the supporting structure (62) further comprises a plurality of steel balls (65), and each steel ball (65) is filled between the second supporting portion (64) and the inner angle position of the cavity (61).
6. The high flexibility long-term mechanical life medical image transmission cable of claim 1, wherein: the shielding protection layer (4) comprises a first wrapping belt (41), a woven shielding sleeve (42), a second wrapping belt (43) and a silica gel sheath (44) which are sequentially arranged from inside to outside, and a polymer film coating (441) is coated on the outer side of the silica gel sheath (44).
7. The high flexibility long-term mechanical life medical image transmission cable of claim 6, wherein: the silica gel sheath (44) is including interior silica gel cover (45) and outer silica gel cover (46) that each other overlap and establish, a plurality of first tooth portions (451) have evenly been arranged in interior silica gel cover (45) outside, a plurality of second tooth portions (461) have evenly been arranged to outer silica gel cover (46) inboard, each first tooth portion (451) all correspond the card and locate between two adjacent second tooth portions (461), each second tooth portion (461) with all be formed with deformation space (47) between outer silica gel cover (46) inner wall.
8. The high flexibility long-term mechanical life medical image transmission cable of claim 7, wherein: the inside buffer tank (452) that is equipped with of first tooth portion (451), buffer tank (452) are the arc groove, the pitch arc axle center of buffer tank (452) is located buffer tank (452) are close to one side of weaving shield cover (42), just buffer tank (452) to the interval of interior silica gel cover (45) axis is by one end to the other end of buffer tank (452) pitch arc direction changes gradually.
9. The high flexibility long-term mechanical life medical image transmission cable of claim 8, wherein: each buffer groove (452) is divided into a first buffer groove (453) and a second buffer groove (454), and all the first buffer grooves (453) and all the second buffer grooves (454) are alternately arranged along the circumferential direction of the inner silica gel sleeve (45); each first buffer groove (453) and the adjacent second buffer groove (454) are symmetrically arranged along the radial line direction of the inner silica gel sleeve (45).
10. The high flexibility long-term mechanical life medical image transmission cable of claim 7, wherein: the outer side of the inner silica gel sleeve (45) is coated with an impermeable layer, and the deformation space (47) is internally provided with water absorbing paper (48).
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