Restriction device

Abstract

This disclosure relates to a technique for restricting the urethral organ. More specifically, a constriction device is provided having one or more constriction elements configured to expand in a first direction toward a tubular organ, thereby expanding, in order to constrict a first portion of the tubular organ in order to restrict the flow of fluid through therein.

Claims

1. An implantable hydraulic or pneumatic pump for pumping fluid, wherein the implantable hydraulic pump is A reservoir configured to hold the fluid being pumped, An actuator and a sealed container including Rigid exterior wall, A sealed space and Includes, The first portion of the sealed container surrounds the first container volume, The second portion of the sealed container surrounds the second container volume, The first portion of the sealed container includes a connecting wall that forms part of the wall surrounding the reservoir, The first portion of the sealed container includes a first movable wall portion connected to the connecting wall, The second portion of the sealed container includes a second movable wall portion, The actuator is directly or indirectly connected to the first movable wall portion in order to move the movable wall portion to change the volume of the first portion of the sealed container and the volume of the reservoir, and to transfer fluid to or from the reservoir. When the movement of the first movable wall portion causes the movement of the second movable wall portion, which changes the volume of the reservoir and results in the supply of fluid to or from the reservoir, the volume of the second portion of the sealed container is changed such that the volume change of the sealed container is smaller than the volume change of the reservoir. The rigid outer wall, the first movable wall portion, and the second movable wall portion surround the sealed space, and the sealed space is configured to hold liquid for supporting at least a portion of the first movable wall portion and a portion of the second movable wall portion. An implantable hydraulic or pneumatic pump for pumping the aforementioned fluid.

2. The first movable wall portion is equipped with a first movable seal for sealing the space between the rigid outer wall and the first movable wall portion. The implantable hydraulic or pneumatic pump according to claim 1, wherein the second movable wall portion comprises a second movable seal for sealing the space between the rigid outer wall and the second movable wall portion.

3. The implantable hydraulic or pneumatic pump according to claim 2, wherein at least one of the first movable seal and the second movable seal includes an elastic seal.

4. The implantable hydraulic or pneumatic pump according to claim 3, wherein the elastic seal is fixed to the rigid outer wall and the first movable wall portion.

5. The implantable hydraulic or pneumatic pump according to claim 4, wherein the elastic seal comprises an elastic polymer material.

6. An implantable hydraulic or pneumatic pump according to any one of claims 2 and 3, wherein at least one of the first movable seal and the second movable seal includes a sliding seal.

7. The implantable hydraulic or pneumatic pump according to claim 6, wherein the sliding seal is fixed to the first movable wall portion or the second movable wall portion and configured to slide in a sealing manner against the rigid outer wall.

8. The implantable hydraulic or pneumatic pump according to claim 7, wherein the sliding seal comprises a polymer material.

9. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 8, wherein the volume of the sealed container remains substantially the same even if the volume of the reservoir is changed to pump fluid to or from the reservoir.

10. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 9, wherein the volume of the reservoir is changed to supply fluid to or from the reservoir, but the volume of the sealed space remains substantially the same.

11. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 9, wherein when the volume of the reservoir is changed to deliver fluid to or from the reservoir, the change in the volume of the sealed container is less than 10%.

12. The implantable hydraulic or pneumatic pump according to claim 11, wherein when the volume of the reservoir is changed to pump fluid into or from the reservoir, the change in the volume of the sealed container is less than 5%.

13. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 12, wherein at least a portion of the first movable wall portion that comes into contact with the fluid in the reservoir is made of metal.

14. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 13, wherein at least a portion of the second movable wall portion includes metal.

15. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 14, wherein at least 50% of the area of ​​the wall surrounding the sealed container is made of metal.

16. The implantable hydraulic or pneumatic pump according to claim 15, wherein at least 80% of the area of ​​the wall surrounding the sealed container is made of metal.

17. The implantable hydraulic or pneumatic pump according to claim 16, wherein at least 90% of the area of ​​the wall surrounding the sealed container is made of metal.

18. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 17, wherein at least one of the first portion and the second portion of the sealed container includes a raised portion and a recess, the raised portion and the recess enabling at least one of compression and expansion of the sealed container.

19. The implantable hydraulic or pneumatic pump according to claim 18, wherein at least one of the first and second portions of the sealed container includes a bellows.

20. The implantable hydraulic or pneumatic pump according to claim 19, wherein the bellows include metal.

21. The implantable hydraulic or pneumatic pump according to claim 20, wherein the bellows is a metal bellows.

22. The first portion of the sealed container includes a raised portion and a recessed portion, The second portion of the sealed container includes a raised portion and a recessed portion, The raised portion and the recessed portion allow for the compression and expansion of the first and second portions of the sealed container. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 21.

23. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 22, further comprising a connecting element configured to connect the first movable wall portion to the second movable wall portion such that the movement of the first movable wall portion is transmitted to the second movable wall portion.

24. The aforementioned connecting element is Long and slender, Placed inside the sealed container, The first part is fixed directly or indirectly to the first movable wall portion, The second part is fixed directly or indirectly to the second movable wall portion, The implantable hydraulic or pneumatic pump according to claim 23.

25. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 24, wherein the first portion of the sealed container can be modified such that the volume of the first portion of the sealed container exceeds 20% of the volume of the sealed container.

26. The implantable hydraulic or pneumatic pump according to claim 25, wherein the first portion of the sealed container can be modified such that the volume of the first portion of the sealed container exceeds 40% of the volume of the sealed container.

27. The implantable hydraulic or pneumatic pump according to claim 26, wherein the first portion of the sealed container can be modified so that the volume of the first portion of the sealed container exceeds 60% of the maximum volume of the reservoir.

28. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 27, wherein at least one of the first and second portions of the sealed container includes at least one flexible portion, the flexible portion enabling at least one of compression and expansion of the sealed container.

29. The implantable hydraulic or pneumatic pump according to claim 28, wherein at least one of the first and second portions of the sealed container comprises at least one elastic portion, the elastic portion enabling at least one of compression and expansion of the sealed container.

30. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 29, wherein at least one of the first portion and the second portion of the sealed container has an egg-shaped cross-section.

31. The implantable hydraulic or pneumatic pump according to claim 30, wherein at least one of the first portion and the second portion of the sealed container has an elliptical cross-section.

32. The implantable hydraulic or pneumatic pump according to claim 31, wherein at least one of the first and second portions of the sealed container has a circular cross-section.

33. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 32, wherein the sealed container is configured to contain a gas.

34. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 32, wherein the sealed container is configured to contain a liquid.

35. The implantable hydraulic or pneumatic pump according to claim 34, further comprising a liquid configured to be sealed within the sealed container.

36. The implantable hydraulic or pneumatic pump according to claim 35, wherein the liquid is selected from the following list: Dielectric silicone oil, Synthetic single-phase liquid dielectric fluid, Two-phase coolant, Fluorine, and Novec.

37. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 36, wherein the sealed container further comprises an implantable energy source for supplying power to the actuator.

38. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 37, wherein the sealed container further comprises a controller for controlling the operation of the actuator.

39. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 37, wherein the sealed container further comprises at least one sensor or measuring device for measuring at least one of the following: The pressure inside the sealed container, The pressure in the reservoir, The pressure inside the patient's body, The pressure difference between the pressure inside the sealed container and the pressure inside the reservoir, and The pressure difference between the pressure inside the sealed container and the pressure inside the patient's body.

40. The implantable hydraulic or pneumatic pump according to claim 39, wherein the controller is configured to control the operation of the actuator based on input from the sensor or the measuring device.

41. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 40, further comprising at least one conduit for connecting the reservoir to an active portion of an implant configured to receive fluid pumped by the implantable hydraulic pump.

42. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 41, wherein the reservoir has an egg-shaped cross-section.

43. The implantable hydraulic or pneumatic pump according to claim 42, wherein the reservoir has an elliptical cross-section.

44. The implantable hydraulic or pneumatic pump according to claim 43, wherein the reservoir has a circular cross-section.

45. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 44, wherein the actuator includes at least one electric motor.

46. The implantable hydraulic or pneumatic pump according to claim 45, wherein the electric motor is at least partially located in the first part.

47. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 46, wherein the actuator comprises at least one transmission, and the transmission is configured as follows: Subjected to mechanical force, and Slow down and increase the mechanical force it receives.

48. The implantable hydraulic or pneumatic pump according to claim 47, wherein the transmission includes a gear system configured to reduce speed and increase the force of the mechanical force received.

49. An implantable hydraulic or pneumatic pump according to any one of claims 47 to 48, wherein the transmission is configured to receive rotational mechanical force, and the transmission is configured to convert the received rotational mechanical force into linear mechanical force.

50. The implantable hydraulic or pneumatic pump according to any one of claims 47 to 49, wherein the transmission comprises a receiving portion connected to the electric motor.

51. An implantable hydraulic or pneumatic pump according to any one of claims 47 to 50, wherein the transmission is at least partially located within the first portion of the sealed container.

52. An implantable hydraulic or pneumatic pump according to any one of claims 46 to 51, wherein at least one of the electric motor and the transmission is fixed to the wall of the sealed container.

53. The implantable hydraulic or pneumatic pump according to any one of claims 1 to 52, wherein the sealed container is sealed by a metal layer.

54. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 53, wherein a portion of the wall of the sealed container comprises at least one sealed inlet for transmitting an electrical signal into the sealed container.

55. The implantable hydraulic or pneumatic pump according to claim 54, wherein the sealed inlet comprises a ceramic material.

56. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 55, further comprising a second reservoir configured to hold a fluid to be pumped, wherein the second portion of the sealed container is configured to protrude into the second reservoir such that the wall of the second portion of the sealed container forms part of a wall surrounding the second reservoir, and the actuator is directly or indirectly connected to the second movable wall portion to move the second movable wall portion, thereby changing the volume of the second portion of the sealed container and the volume of the second reservoir, and to pump the fluid into or from the second reservoir, wherein when the volume of the second reservoir changes to pump the fluid into or from the second reservoir, the change in the volume of the sealed container is less than the change in the volume of the second reservoir.

57. The implantable hydraulic or pneumatic pump according to claim 56, further comprising at least one conduit for connecting the second reservoir to an active portion of an implant configured to receive fluid pumped by the implantable hydraulic pump.

58. The operation of the actuator in the first direction is: The fluid is moved from the first reservoir to the active part of the implant. The fluid is moved from the active portion of the implant to the second reservoir. The operation of the actuator in the second direction is: The fluid is moved from the active portion of the implant to the first reservoir. The fluid is transferred from the second reservoir to the active portion of the implant. An implantable hydraulic or pneumatic pump according to any one of claims 56 and 57.

59. At least one of the first and second reservoirs is compressible and comprises a third movable wall portion, Movement of the first movable wall portion of the first part of the sealed container, or By moving the second movable wall portion of the second part of the sealed container, The third movable wall portion moves, compressing the first reservoir or the second reservoir, and pressurizing the working fluid from the first or second reservoir. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 58.

60. The operation of the actuator in the first direction is The fluid is moved from the first reservoir to the active part of the implant, and The fluid is moved from the second reservoir to the active part of the implant. The operation of the actuator in the second direction is The fluid is moved from the active portion of the implant to the first reservoir, and The fluid is moved from the active part of the implant to the second reservoir. The implantable hydraulic or pneumatic pump according to claim 59.

61. The implantable hydraulic or pneumatic pump according to any one of claims 59 and 60, wherein the third movable wall portion is mechanically connected to one of the first movable wall portion and the second movable wall portion.

62. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 62, further comprising a pressure direction changing device connected to at least one of the first and second reservoirs for changing the direction of the flow of the working fluid.

63. The second reservoir is connected to the pressure direction changing device: The operation of the actuator in the first direction is: The fluid is moved from the first reservoir to the active part of the implant. The fluid is moved from the second reservoir to the active part of the implant. The operation of the actuator in the second direction is: The fluid is moved from the active part of the implant to the first reservoir. The fluid is moved from the active part of the implant to the second reservoir. The implantable hydraulic or pneumatic pump according to claim 62.

64. An implantable hydraulic or pneumatic pump according to any one of claims 62 and 63, wherein the pressure direction changing device comprises at least one displacement reservoir configured to hold a working fluid, the displacement reservoir comprising a movable wall, and compression of at least a portion of the sealed container causes movement of the movable wall that causes compression of the displacement reservoir, so that the working fluid is discharged from the displacement reservoir.

65. The implantable hydraulic or pneumatic pump according to claim 64, wherein the displacement reservoir is directly or indirectly connected to at least one of the first movable wall portion of the first portion of the sealed container and the second movable wall portion of the second portion of the sealed container.

66. The implantable hydraulic or pneumatic pump according to claim 65, wherein the displacement reservoir is fluidly connected to at least one of the first movable wall portion of the first portion of the sealed container and the second movable wall portion of the second portion of the sealed container.

67. The implantable hydraulic or pneumatic pump according to claim 66, further comprising a hydraulic actuator fluidly connected to at least one of the first movable wall portion of the first portion of the sealed container and the second movable wall portion of the second portion of the sealed container.

68. The aforementioned hydraulic actuator: Hydraulic cylinder, and Operable operating reservoir, An implantable hydraulic or pneumatic pump according to claim 67, comprising one of the following:

69. The implantable hydraulic or pneumatic pump according to claim 68, wherein the hydraulic actuator is mechanically connected to the operating reservoir.

70. An implantable hydraulic or pneumatic pump according to any one of claims 67 to 69, further comprising a fluid conduit for connecting the hydraulic actuator to at least one of the first reservoir and the second reservoir.

71. An implantable hydraulic or pneumatic pump according to any one of claims 64 to 70, wherein at least one of the first reservoir, the second reservoir, the hydraulic actuator, and the displacement reservoir is provided with a protrusion and a recess that allows at least one of compression and expansion of at least one of the first reservoir, the second reservoir, the hydraulic actuator, and the displacement reservoir.

72. The implantable hydraulic or pneumatic pump according to claim 71, wherein at least one of the first reservoir, the second reservoir, the hydraulic actuator, and the displacement reservoir is equipped with a bellows.

73. An implantable hydraulic or pneumatic pump according to any one of claims 62 to 72, further comprising a second pressure direction changing device connected to at least one of the first reservoir and the second reservoir for changing the direction of the flow of the working fluid.

74. The implantable hydraulic or pneumatic pump according to claim 73, wherein both the first pressure direction changer and the second pressure direction changer are connected to one of the first reservoir and the second reservoir to change the direction of the flow of the working fluid.

75. An implantable hydraulic or pneumatic pump according to any one of claims 62 to 74, wherein at least one of the first pressure direction changing device and the second pressure direction changing device comprises first and second displacement reservoirs for changing the direction of the flow of the working fluid.

76. The first reservoir comprises first and second reservoir portions that are fluidly separated from each other, and / or The second reservoir comprises third and fourth reservoir portions that are fluidly separated from each other. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 75.

77. Compression of the first reservoir results in compression of the first and second reservoir portions of the first reservoir, and / or The compression of the second reservoir results in the compression of the third and fourth reservoir portions of the second reservoir. An implantable hydraulic or pneumatic pump according to claim 76.

78. An implantable hydraulic or pneumatic pump according to any one of claims 76 and 77, A first conduit for connecting the first reservoir portion to the active portion of the implant, and a second conduit for connecting the second reservoir portion to the active portion of the implant, A third conduit for connecting the third reservoir portion to the active portion of the implant, and a fourth conduit for connecting the fourth reservoir portion to the active portion of the implant, An implantable hydraulic or pneumatic pump having at least one of the following:

79. An implantable hydraulic or pneumatic pump according to any one of claims 76 to 77, wherein at least one of the first reservoir portion, the second reservoir portion, the third reservoir portion, and the fourth reservoir portion is provided with a raised portion and a recess that allows at least one of compression and expansion of at least one of the first reservoir portion, the second reservoir portion, the third reservoir portion, and the fourth reservoir portion.

80. The implantable hydraulic or pneumatic pump according to claim 79, wherein at least one of the first reservoir portion, the second reservoir portion, the third reservoir portion, and the fourth reservoir portion includes a bellows.

81. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 80, wherein at least a portion of the wall of at least one of the sealed container, the first reservoir, the second reservoir, and the displacement reservoir is made of titanium.

82. The implantable hydraulic or pneumatic pump according to claim 81, wherein at least one of the sealed container, the first reservoir, the second reservoir, and the displacement reservoir comprises a titanium bellows.

83. An implantable hydraulic or pneumatic pump according to any one of claims 1 to 82, wherein the actuator is a piezoelectric actuator.

84. The implantable hydraulic or pneumatic pump according to claim 83, wherein the piezoelectric actuator comprises a piezoelectric motor.

85. The implantable hydraulic or pneumatic pump according to claim 84, wherein the piezoelectric motor is a piezoelectric inchworm motor.

86. The implantable hydraulic or pneumatic pump according to claim 84, wherein the piezoelectric motor is a piezoelectric inertia motor.

87. The implantable hydraulic or pneumatic pump according to claim 84, wherein the piezoelectric motor is a piezoelectric walk-drive motor.

88. The implantable hydraulic or pneumatic pump according to any one of claims 82 to 87, wherein the piezoelectric actuator is a linear piezoelectric actuator.

89. The implantable hydraulic or pneumatic pump according to claim 88, wherein the linear piezoelectric actuator is operated by at least one of the following: Speeds in the range of 1 mm / s to 10 mm / s, Stroke length in the range of 4 mm to 30 mm, Forces in the range of 2N to 30N.

90. The implantable hydraulic or pneumatic pump according to any one of claims 84 to 87, wherein the piezoelectric motor is a rotary piezoelectric motor.

91. The implantable hydraulic or pneumatic pump according to claim 90, wherein the rotary piezoelectric motor is configured to be operated by at least one of the following: Rotational speeds in the range of 1 mrad / s to 100 mrad / s, Torque in the range of 100 Nmm to 900 Nmm.

92. The implantable hydraulic or pneumatic pump according to claim 84, wherein the piezoelectric motor is a piezoelectric ultrasonic motor.

93. The implantable hydraulic or pneumatic pump according to claim 92, wherein the piezoelectric ultrasonic motor is a traveling wave ultrasonic motor.

94. The implantable hydraulic or pneumatic pump according to claim 92, wherein the piezoelectric ultrasonic motor is a standing wave ultrasonic motor.

95. The implantable hydraulic or pneumatic pump according to any one of claims 92 to 94, wherein the piezoelectric ultrasonic motor is a rotary piezoelectric ultrasonic motor configured to be operated by at least one of the following: Rotational speeds in the range of 10 mrad / s to 10000 mrad / s, Torque range of 20 Nmm to 450 Nmm.

96. The implantable hydraulic or pneumatic pump according to any one of claims 92 to 94, wherein the piezoelectric ultrasonic motor is a linear piezoelectric ultrasonic motor configured to operate by at least one of the following: Speeds in the range of 4 mm / s to 10 mm / s and Forces ranging from 0.5 N to 30 N.

97. An implantable hydraulic or pneumatic pump according to any one of claims 83 to 96, wherein the piezoelectric actuator comprises at least one bimorph piezoelectric actuator.

98. An implantable hydraulic or pneumatic pump according to any one of claims 83 to 97, wherein the piezoelectric actuator is substantially nonmagnetic.

99. An implantable hydraulic or pneumatic pump according to any one of claims 83 to 98, wherein the piezoelectric actuator is substantially nonmetallic.

100. The medical device according to any one of claims 83 to 99, wherein the piezoelectric actuator is a reversible piezoelectric actuator.

101. An implantable device for applying force to a patient's body, comprising an implantable hydraulic or pneumatic pump according to any one of claims 1 to 100, and an implantable active part including an implantable element configured to apply force to a patient's body.

102. The implantable device according to claim 101, characterized in that the implantable element configured to exert force on a part of the patient's body comprises an implantable hydraulic contraction device for contracting the patient's light-emitting organ.

103. The implantable device according to claim 102, wherein the implantable hydraulic contraction device comprises an implantable hydraulic contraction device for contracting the patient's intestines.

104. The implantable device according to claim 103, wherein the implantable hydraulic contraction device includes an implantable hydraulic contraction device for contracting a patient's colon or rectum.

105. The implantable device according to claim 103, wherein the implantable hydraulic contraction device comprises an implantable hydraulic contraction device for contracting the intestine in the area of ​​a patient's stoma.

106. The implantable device according to claim 105, wherein the implantable hydraulic vasoconstrictor includes an implantable hydraulic vasoconstrictor for constricting a patient's blood vessels.

107. The implantable device according to claim 106, wherein the implantable hydraulic vasoconstrictor for constricting a patient's blood vessels is configured to constrict venous blood flow from the erectile tissue to promote engagement of the erectile tissue.

108. The implantable device according to claim 102, wherein the implantable hydraulic vasoconstrictor comprises an implantable hydraulic vasoconstrictor for constricting a patient's blood vessels.

109. The implantable device according to claim 101, wherein an implantable element configured to exert force on a part of the patient's body is an implantable element for actively emptying the patient's bladder.

110. The implantable device according to claim 109, wherein the implantable element for actively emptying the bladder of the patient is configured to empty the bladder of the patient by compressing the bladder from the outside.

111. An implantable electrically conductive medical device configured to be held in place by a patient's tissue, wherein the medical device is: A first portion configured to be positioned on a first side surface of a tissue portion, wherein the first portion has a first cross-sectional area in a first plane and a first surface configured to face the first tissue surface of the first side surface of the tissue portion, A second portion configured to be positioned on a second side surface of the tissue portion, wherein the second side surface faces the first side surface, and the second portion has a second cross-sectional area in a second plane and a second surface configured to engage with the second tissue surface of the second side surface of the tissue portion. A connecting portion configured to be positioned through a hole in the tissue portion extending between the first and second sides of the tissue portion, the connecting portion having a third cross-sectional area in a third plane and configured to connect the first portion to the second portion, including The first, second, and third planes are parallel to each other. An implantable hydraulic or pneumatic pump, wherein the third cross-sectional area is smaller than the first and second cross-sectional areas, preventing the first and second portions from moving through the holes in the tissue portion in directions perpendicular to the first, second and third planes, and the second portion constitutes the implantable hydraulic or pneumatic pump according to any one of claims 1 to 100.

112. The implantable electrically conductive medical device according to claim 111, wherein the connecting portion has a flexible structure that allows the connecting portion to bend.

113. An implantable electrically conductive medical device according to any one of claims 111 to 112, further comprising a sealed arrangement configured to surround the connecting portion so as to prevent fluid from the patient from entering the connecting portion.

114. The implantable electrically conductive medical device according to any one of claims 112 to 113, wherein the flexible structure is configured to allow the connecting portion to bend in multiple directions.

115. The implantable electrically conductive medical device according to any one of claims 112 to 114, wherein the flexible structure is configured to allow the connecting portion to bend in any direction.

116. The implantable electrically conductive medical device according to any one of claims 112 to 115, wherein the flexible structure includes a bellows.

117. The implantable electrically conductive medical device according to claim 116, wherein the bellows is a metal bellows.

118. The implantable electrically conductive medical device according to claim 117, wherein the metal bellows are welded to it.

119. The implantable electrically conductive medical device according to any one of claims 116 to 118, wherein the bellows is a titanium bellows.

120. The implantable electrically conductive medical device according to any one of claims 116 to 119, wherein the bellows form part of the airtight seal arrangement.

121. The implantable electrically conductive medical device according to any one of claims 111 to 120, wherein the connecting portion and the second portion are configured to form a unit having a central axis extending from a first end of the unit to a second end of the unit, the first end being proximal to the first portion and the second end being distal to the first portion, and the physical footprint of the unit perpendicular to the central axis decreasing continuously or stepwise from the first end of the unit to the second end.

122. The implantable electrically conductive medical device according to claim 121, wherein the physical footprint has a cross-sectional area perpendicular to the central axis.

123. The implantable electrically conductive medical device according to claim 121 or 122, wherein the connecting portion and the second portion are any of the following: They are configured to be reversibly connected to each other in order to form the aforementioned unit, or They are configured to be irreversibly connected to each other in order to form the aforementioned units; or It is configured as a single body forming the aforementioned unit.

124. The implantable electrically conductive medical device according to any one of claims 1 to 123, wherein the unit comprises an angle portion that forms a bent portion in the unit.

125. The implantable electrically conductive medical device according to claim 124, wherein the bend is between 15° and 165°, for example between 30° and 150°, for example between 45° and 135°, for example substantially 90°.

126. The first part comprises a first radio energy receiver for receiving energy radio-transmitted by an external radio energy transmitter, and an internal radio energy transmitter configured to radio-transmit energy to the second part. The implantable energized medical device according to any one of claims 111 to 125, wherein the second portion comprises a second wireless energy receiver configured to receive energy wirelessly transmitted by the internal wireless energy transmitter.

127. The implantable energized medical device according to claim 126, wherein the first portion comprises a first energy storage unit connected to the first wireless energy receiver.

128. The implantable energized medical device according to any one of claims 126 and 127, wherein the second portion comprises a second energy storage unit connected to the second wireless energy receiver. The second portion is sealed by the outer wall of the second portion which contains titanium.

129. The implantable electrically conductive medical device according to any one of claims 111 to 129, wherein the first portion includes an outer wall made of a polymer material.

130. The implantable electrically conductive medical device according to claim 129, wherein the outer wall of the first portion comprises a polymer material.

131. The implantable electrically conductive medical device according to any one of claims 111 to 130, wherein the second portion is sealed with respect to the connecting portion and the first portion.

132. The implantable electrically conductive medical device according to any one of claims 111 to 131, wherein the outer wall of the second portion includes a ceramic portion integrated with or brazed to the titanium portion.

133. The implantable electrically conductive medical device according to claim 132, wherein the ceramic portion of the second portion comprises at least one metal lead that moves through the ceramic portion to transmit electrical energy or information from the inside of the second portion to the outside of the second portion and / or from the outside of the second portion to the inside of the second portion.

134. The implantable electrically conductive medical device according to claim 132 or 133, wherein the at least one metal lead wire is integrated with the ceramic portion of the second part or brazed to the ceramic portion of the second part so that the at least one metal lead wire can pass through the ceramic portion without further insulation.

135. The aforementioned connecting portion comprises an outer wall containing titanium, the implantable electrically conductive medical device according to any one of claims 132 to 134.

136. The implantable electrically conductive medical device according to claim 135, wherein the outer wall of the connecting portion includes a ceramic portion integrated with or brazed to the titanium.

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