WO2008103279A1 - Coded-sequence activation of surgical implants - Google Patents
Coded-sequence activation of surgical implants Download PDFInfo
- Publication number
- WO2008103279A1 WO2008103279A1 PCT/US2008/002011 US2008002011W WO2008103279A1 WO 2008103279 A1 WO2008103279 A1 WO 2008103279A1 US 2008002011 W US2008002011 W US 2008002011W WO 2008103279 A1 WO2008103279 A1 WO 2008103279A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- implant
- signal
- augment
- spatiotemporal
- actuation
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/48—Operating or control means, e.g. from outside the body, control of sphincters
- A61F2/481—Acoustic or audible means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/48—Operating or control means, e.g. from outside the body, control of sphincters
- A61F2/482—Electrical means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
Definitions
- a device for implantation in a body includes a receiver responsive to a selected spatiotemporal signal sequence to produce an activation signal and a member responsive to the activation signal to shift from a first mechanical configuration to a second mechanical configuration.
- the selected spatiotemporal signal sequence may include spatially separated and/or temporally separated signals, which may include, for example, magnetic fields, electric fields, acoustic signals, electromagnetic signals, and/or optical signals.
- the member may be configured to engage one or more vertebrae (e.g. , a spinal screw), and the second mechanical configuration may provide more or less stress shielding to the vertebrae than the first mechanical configuration.
- the member may be configured to engage a bony structure (e.g.
- the member may include a tissue expander, an intralumenal device (e.g. , a stent such as an expandable stent, or a lumen-traversing device including a physiological sensor such as a gastrointestinal camera), a shunt (e.g., a cerebrospinal fluid shunt or a vascular conduit), a drug reservoir (e.g., a reservoir that is configured to dispense a drug by shifting from the first to the second mechanical configuration), an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, or a cosmetic implant (e.g., a lip, breast, pectoral, or deltoid augment).
- the member may be configured to accommodate growth of the body.
- a device for providing a coded signal to an implant in a body includes a plurality of signaling units having a selected spatial arrangement.
- the signaling units are arranged to deliver a spatiotemporal signal sequence corresponding to the coded signal.
- the spatiotemporal signal sequence may include spatially separated and/or temporally separated signals, which may include, for example, magnetic fields, electric fields, acoustic signals, electromagnetic signals, and/or optical signals, and may include at least two different signal modes.
- the device may be configured to conform to a surface of the body, and/or may be configured to be secured to the body.
- the device may further include a receiving unit that is configured to receive a signal from the implant, such as a receiver that can receive a signal selected from the group consisting of magnetic fields, electric fields, acoustic signals, electromagnetic signals, and/or optical signals.
- a method of treating a patient having a surgical implant of a type responsive to a spatiotemporal signal sequence to change from a first mechanical configuration to a second mechanical configuration includes directing a series of signals corresponding to the spatiotemporal sequence into the patient's body.
- the series of signals may include spatially separated and/or temporally separated signals, which may include, for example, magnetic fields, electric fields, acoustic signals, electromagnetic signals, and/or optical signals.
- the patient may have a plurality of surgical implants, and fewer than all of the implants (e.g., one implant) may be responsive to the spatiotemporal signal sequence.
- the method may further include measuring a physiological parameter of the patient (e.g., blood pressure, heart rhythm, breathing rhythm, neurological activity, blood flow, blood oxygenation, end tidal CO 2 , pressure, viscosity, joint angle, vertebral angle, spinal angle, mechanical stress, shear, torque, distance between selected reference points, mechanical strain, modulus, and/or compressibility), and directing the series of signals in response to the measured physiological parameter.
- a physiological parameter of the patient e.g., blood pressure, heart rhythm, breathing rhythm, neurological activity, blood flow, blood oxygenation, end tidal CO 2 , pressure, viscosity, joint angle, vertebral angle, spinal angle, mechanical stress, shear, torque, distance between selected reference points, mechanical strain, modulus, and/or compressibility
- the surgical implant may be configured to engage one or more vertebrae, and the first mechanical configuration may provide more or less stress shielding to the vertebrae than the second mechanical configuration, and/or the implant may change the relative position of the vertebrae.
- the surgical implant may be configured to engage a bony structure, and the first mechanical configuration may provide more or less stress shielding to the bony structure than the second mechanical configuration.
- the patient may be a human or an animal, and may be an adult or a juvenile.
- the surgical implant may be, for example, a tooth implant, a tissue expander, an intralumenal device, a stent, a shunt, a gastrointestinal camera, a drug reservoir, an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, a cosmetic implant, a lip augment, a breast augment, a pectoral augment, or a deltoid augment.
- a system for treating a patient includes a signaling unit configured to emit a spatiotemporal signal sequence into the patient, and an implant configured for implantation into the patient. The implant is configured to respond to the spatiotemporal signal sequence by shifting from a first mechanical configuration to a second mechanical configuration.
- the spatiotemporal signal sequence may include a spatial and/or a temporal arrangement of magnetic fields, electric fields, acoustic signals, electromagnetic signals, and/or optical signals.
- the implant may be, for example, a bone implant, a spinal implant, a tooth implant, a tissue expander, an intralumenal device, a stent, a shunt, a gastrointestinal camera, a drug reservoir, an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, a cosmetic implant, a lip augment, a breast augment, a pectoral augment, or a deltoid augment.
- a device for implantation into a body includes a receiver responsive to a trigger signal, authentication circuitry coupled to the receiver and operative to distinguish an authentic trigger signal from a non-authentic trigger signal and responsive to an authentic trigger signal to generate an actuation signal, and an actuable member coupled to receive the actuation signal and responsive to the actuation signal to change configuration.
- the device may further include a physiological sensor configured to sense a physiological parameter in the body (e.g., a parameter indicative of an abnormal condition of the body such as loss of consciousness, altered consciousness, abnormal heart rhythm, abnormal breathing rhythm, abnormal blood pressure, abnormal blood chemistry, change in tissue perfusion, myocardial infarction, stroke, hypoglycemia, hyperglycemia, electrolyte disturbance, and/or hormone imbalance), and the authentication circuitry may use the sensed physiological parameter to determine whether to generate an actuation signal (e.g., only if the sensed physiological parameter is indicative of an abnormal condition of the body).
- a physiological parameter in the body e.g., a parameter indicative of an abnormal condition of the body such as loss of consciousness, altered consciousness, abnormal heart rhythm, abnormal breathing rhythm, abnormal blood pressure, abnormal blood chemistry, change in tissue perfusion, myocardial infarction, stroke, hypoglycemia, hyperglycemia, electrolyte disturbance, and/or hormone imbalance
- the authentication circuitry may use the sensed physiological parameter to determine
- the authentication circuitry may be configured to determine that the physiological parameter is indicative of an abnormal condition if it falls outside of a selected normal range, and it may be configured to accept a change in the selected normal range.
- the receiver may be configured to accept any one of a plurality of trigger signals, each associated with a respective permissions level, and may be configured to generate an actuation signal under different conditions for different permissions levels.
- the device may be, for example, a bone implant, a spinal implant, a tooth implant, a tissue expander, an intralumenal device, a stent, a shunt, a gastrointestinal camera, a drug reservoir, a pacemaker, a defibrillator, a cochlear implant, a brain stimulator, an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, a cosmetic implant, a lip augment, a breast augment, a pectoral augment, or a deltoid augment.
- a device for implantation in a body may include a receiver configured to receive a first signal, a transmitter configured to send a second signal, and an actuable member having a therapeutic function in the body.
- the actuable member is configured to be actuated after both receipt of the first signal and sending of the second signal.
- the transmitter may be configured to send the second signal in response to receipt of the first signal by the receiver. Actuation of the actuable member after both receipt of the first signal and sending of the second signal may include actuation in response to a third signal determined by both the first signal and the second signal.
- the transmitter configured to send the second signal may be a passive transmitter such as an RFID.
- the second signal may include identifying information for the device.
- the device may be, for example, a bone implant, a spinal implant, a tooth implant, a tissue expander, an intralumenal device, a stent, a shunt, a gastrointestinal camera, a drug reservoir, a pacemaker, a defibrillator, a cochlear implant, a brain stimulator, an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, a cosmetic implant, a Hp augment, a breast augment, a pectoral augment, or a deltoid augment.
- a method of accessing an implant in a body includes identifying a spatiotemporal signal sequence corresponding to an access code for the implant and providing the identified spatiotemporal signal sequence to the implant without physically contacting the implant.
- the identified spatiotemporal signal sequence may be a command to the implant, such as a data retrieval command, an actuation command (e.g., to direct the implant to shift from a first to a second mechanical configuration, such as to a configuration that provides a different level of stress shielding to a bony structure), and/or a reconfiguration command (e.g., a command that modifies behavior of a logic circuit in the implant).
- the command may be a data retrieval command that directs the implant to return a parameter such as implant position, implant shape, implant identity, measurements of a physiological parameter (e.g., blood pressure, heart rhythm, breathing rhythm, neurological activity, blood flow, blood oxygenation, end tidal CO 2 , pressure, viscosity, joint angle, vertebral angle, spinal angle, mechanical stress, shear, torque, distance between selected reference points, mechanical strain, modulus, and/or compressibility), and/or measurements of an environmental parameter (e.g., temperature, pressure, chemical activity of a substance, chemical concentration of a substance, and acceleration).
- a physiological parameter e.g., blood pressure, heart rhythm, breathing rhythm, neurological activity, blood flow, blood oxygenation, end tidal CO 2 , pressure, viscosity, joint angle, vertebral angle, spinal angle, mechanical stress, shear, torque, distance between selected reference points, mechanical strain, modulus, and/or compressibility
- an environmental parameter e.g., temperature, pressure, chemical activity of
- the implant may be, for example, a bone implant, a spinal implant, a tooth implant, a tissue expander, an intralumenal device, a stent, a shunt, a gastrointestinal camera, a drug reservoir, a pacemaker, a defibrillator, a cochlear implant, a brain stimulator, an artificial joint, a gastric band, an artificial sphincter, an orthodontic appliance, a cosmetic implant, a lip augment, a breast augment, a pectoral augment, or a deltoid augment.
- a method of accessing an implant in a patient includes receiving identifying information for the patient or for the implant, retrieving implant- specific data corresponding to the identifying information, generating a coded signal responsive to the retrieved implant-specific data, and transmitting the coded signal to the implant.
- Receiving the identifying information may include interrogating the implant in the patient, and/or accessing a compilation of identifying information.
- the implant-specific data may include an access code for the implant and/or a location for the implant.
- Generating the coded signal may include determining a signal operative to induce the implant to shift from a first to a second mechanical configuration, and/or determining a signal operative to induce the implant to transmit information out of the body.
- the implant may include logic circuitry, and generating the coded signal may include determining a signal operative to induce the implant to modify its logic circuitry.
- a method of operating an implant in the body includes receiving an implant-correlated spatiotemporal signal sequence, and responding to the implant-correlated spatiotemporal signal sequence by performing an action.
- Responding to the implant-correlated spatiotemporal signal sequence may include determining whether the spatiotemporal signal sequence appears to originate from a sender having permission to actuate the implant.
- Performing an action may include shifting from a first to a second mechanical configuration, transmitting information out of the body (e.g., a physiological parameter, an environmental parameter, and/or identifying information for the implant), and/or determining a permission level for the implant-correlated spatiotemporal signal sequence.
- the implant may include logic circuitry that determines response to spatiotemporal signal sequences, and performing an action may also or alternatively include modifying that logic circuitry.
- FIG. 1 is a schematic of a spinal implant.
- FIG. 2 is a schematic of a tissue expander.
- FIG. 3 is a schematic of an expandable stent.
- FIG. 4 is a schematic of an artificial sphincter in an expanded state.
- FIG. 5 is a schematic of the artificial sphincter of FIG. 4 in a retracted state.
- FIG. 6 is a schematic of a signaling device.
- FIG. 7 is a flow chart illustrating a method of treating a patient.
- FIG. 8 is a flow chart illustrating a method of operating an implant in a body.
- FIG. 1 is a side view of two vertebrae 10 affixed together by means of a spinal implant 12 including pedicle screws 14 and connector 16.
- Connector 16 has an adjustable length and/or rigidity. Extending the length of connector 16 or increasing its rigidity will generally shift mechanical load from the vertebrae 10 to the implant 12.
- Connector 16 adjusts its length and/or rigidity in response to a spatiotemporal signal sequence, typically (but not necessarily) received from outside the body.
- connector 16 comprises two or more plates 18 connected by one or more pins 20 that may be shifted by application of a spatial pattern of magnetic fields (e.g., an array of magnetic poles having selected polarities), which act as a magnetic "key" for the "lock” of the implant.
- a spatial pattern of magnetic fields e.g., an array of magnetic poles having selected polarities
- withdrawal of the pins reduces the rigidity of the implant 12, shifting load to the spine.
- a doctor may monitor spine healing (e.g., using X-ray, MRI, CT scan, or other diagnostic methods) and remotely adjust the rigidity of the implant in order to facilitate bone regrowth.
- Implants responsive to spatiotemporal signal sequences may take a wide variety of forms and respond to a wide variety of signal modes.
- Spatiotemporal signal sequences may include patterns in time and/or space of electric fields, magnetic fields, electromagnetic fields, acoustic signals, optical signals, or combinations of any of the above.
- an implant may respond to an acoustic signal followed by a magnetic field (temporal sequence of differing signal modes), a set of magnetic poles in a defined spatial arrangement (spatial sequence of similar signal modes), or a pair of optical signals in a defined spatial arrangement followed by an electric field having defined characteristics (spatiotemporal sequence of differing signal modes).
- Implant types may include, for example, those that engage bony structures (e.g., the spinal support implant shown in FIG.
- implants may be configured for use in pediatric patients, and may be configured to shift from a first mechanical configuration to a second mechanical configuration in order to accommodate patient growth.
- FIG. 2 shows a tissue expander 30 that responds to a spatiotemporal signal sequence.
- Tissue expanders are commonly used to expand skin in order to graft it from one area of the body to another, and are typically accessed by an injection port, into which a surgeon injects saline periodically over a course of weeks to gradually stretch the skin over the expander.
- the tissue expander 30 shown in FIG. 2 is configured to expand mechanically, without the need for saline injections, but other configurations may include a saline reservoir.
- the expander 30 includes a receiver 32 responsive to one or more spatiotemporal signal sequences connected to an expansion member 34 that expands (and/or contracts) in response to signal sequence(s).
- the expansion member 34 is placed subcutaneously between the skin 36 and underlying muscle 38.
- the expansion member 34 includes a mechanical "accordion" style expander, but any other mechanism which can expand the volume of the cavity without unacceptably damaging skin 36 or muscle tissue 38 may be used.
- the expansion member may be a flexible bag which is filled with fluid from a reservoir stored in a body cavity. In such embodiments, fluid may be pumped from the reservoir to the bag (and in some embodiments from the bag to the reservoir).
- the bag may be filled with a suitable body fluid (e.g. , blood serum) which may be naturally replaced by the body.
- FIG. 3 shows an expandable stent 60.
- the stent 60 includes a biocompatible wire frame 62 and two actuator rings 64.
- the actuator rings 64 are configured to expand and/or to contract in response to one or more spatiotemporal signal sequences, and thereby to expand or contract wire frame 62 which forms the body of the stent.
- the size of the stent can be adjusted after placement in the body by expansion and/or contraction of the rings, either during or immediately after placement (e.g., for initial deployment of the stent), or at a later time (e.g., to further expand a vessel that is becoming clogged without a need for additional surgeries).
- FIG. 4 and FIG. 5 show an artificial sphincter 100 in expanded and retracted states, respectively.
- the artificial sphincter may be used, for example, to replace or augment a sphincter muscle such as the esophageal, pyloric, urethral, or anal sphincter.
- the artificial sphincter comprises a wire-frame ring structure 102, a movable inner ring 104, and a fixed outer ring 106.
- the inner ring 104 contracts and/or expands in response to a coded signal
- the wireframe elements 102 rotate in response, while in other embodiments, the wire-frame elements actively move in response to the coded signal.
- the inner ring 104 or the wire-frame elements 102 may include memory alloys, piezoelectric elements, magnetostrictive elements, memory polymers, or other active materials that respond to a spatiotemporal signal sequence.
- different portions of the sphincter 100 may comprise different ones of these materials, so that a combination of signals is required to actuate the sphincter.
- the sphincter 100 may further circuitry (not shown) for processing the coded input signal to determine its mechanical response.
- the sphincter may include authentication circuitry that processes received signals to determine that they originate from an authorized user. This authentication circuitry may help ensure that the sphincter can only be opened or closed by the patient and/or his doctor.
- a replacement urethral or anal sphincter may be configured to be opened in response to a spatiotemporal signal sequence received from the patient (e.g., including a patient- specific code), allowing the patient to relieve himself appropriately, but not allowing an inadvertently received signal (e.g., from another patient with a similar implant) to open the sphincter.
- a spatiotemporal signal sequence received from the patient (e.g., including a patient- specific code)
- an inadvertently received signal e.g., from another patient with a similar implant
- a wide variety of other implants may be actuated by means of spatiotemporal signal sequences.
- some surgical weight loss treatments involve artificially constricting the stomach to deter overeating.
- a gastric band or other bariatric implant may be adjusted via a spatiotemporal signal sequence (e.g., gradually loosening the band as the patient develops better eating habits).
- an intralumenal device e.g., a gastrointestinal camera
- a shunt may be remotely adjustable (e.g., a CSF shunt may be adjusted via a spatiotemporal signal sequence to adjust the pressure of spinal fluid, or a vascular conduit may be adjusted in a pediatric patient to accommodate growth).
- a drug reservoir may shift its mechanical configuration to dispense a drug in response to a signal sequence.
- an orthodontic appliance e.g., braces or a retainer
- a cosmetic implant e.g., an augment for the lip, breast, pectoral muscle, or deltoid muscle
- a breast implant could be gradually increased in size over a period of many days, allowing the skin to stretch gradually as described above in connection with the tissue expander.
- Cosmetic implants may also be configured for long-term reshaping, for example in response to social norms as an individual ages and/or moves from one social community to another.
- the implant may be partially placed under patient control.
- a progressive, stepwise shifting of the teeth may be accomplished by providing a patient with a signaling device and instructing him to actuate it when the teeth no longer ache from the previous shift.
- a patient may be given (possibly limited) control over a gastric band, controlling the rate of a gradual loosening of the band.
- FIG. 6 shows a signaling device 130 for providing a coded signal to an implant in the body.
- the device 130 includes thirteen magnetic signaling units 132, each configured to create a magnetic field having a selected strength and polarity, but other signaling modalities such as electric fields, electromagnetic signals, acoustic signals, or optical signals may also be used.
- a controller 134 at the base of the device allows the user to select a desired polarity and/or field strength for each signaling unit 132. In embodiments with selectable polarity, the selection may be between two opposing polarities, or it may include the possibility of additional angles.
- the magnetic signaling units 132 may be configured to be rotated, either automatically or manually.
- a handle (not shown) may be provided, or the device may include straps or other apparatus for securing the device to a body (e.g. , the slots 136 for straps shown in FIG. 6).
- controller 134 is integrated with the signaling device 130, in other embodiments the controller may be separate, either connected by a cable to communicate with the device 130, or via a wireless connection.
- the signaling device 130 may be responsive to BLUETOOTHTM signals or to other wireless protocols.
- the signaling units are configured in a fixed geometry relative to one another which is selected to match the geometry of an implant (in some embodiments, not all of the magnetic signaling units 132 will correspond to the geometry of any given implant; for example, implants may be provided in multiple sizes or shapes, wherein different subsets of the magnetic signaling units 132 will correspond to different implant sizes or shapes). In other embodiments, the relative positioning of the signaling units 132 may also be adjusted. As shown, the signaling device 130 is constructed to conform to the contours of a human back, but in other embodiments it may be arranged to conform to other areas of the human body.
- the device may also include straps, adhesive, or other devices (not shown) for securing the device to a body (for example, for embodiments in which a prolonged communication between the signaling device and an implant is contemplated).
- the signaling device also includes an optional receiving unit 138, which may be configured to receive any of a variety of possible signals from an implant in the body.
- the received signal may be an authentication signal that confirms that the user of the signaling device 130 is authorized to command the implant, or it may be a locator signal that allows the user to determine whether the signaling device 130 is correctly positioned relative to the implant.
- an implant also may include authentication circuitry.
- the authentication circuitry may be configured to determine the authenticity of a received trigger signal, and to actuate the implant only if the received signal is determined to be authentic.
- an implant may require a code from the patient before it can be actuated, so that it cannot be actuated without the patient's consent.
- the implant may require a code from a doctor (instead of or in addition to a code from the patient) in order to actuate the implant.
- a pacemaker may be adjustable on a temporary basis by the patient (e.g., in anticipation of athletic activity), but may be semi-permanently adjusted by the doctor for therapeutic reasons.
- a patient may be able to make limited short-term adjustments to a cochlear implant in order to respond to unusual ambient noises, while his audiologist may make other types of adjustments to the response of the implant to fit it to the patient's auditory profile.
- the authentication circuitry may further use a sensed physiological parameter (e.g., loss of consciousness, altered consciousness, abnormal heart rhythm, abnormal breathing rhythm, abnormal blood pressure, abnormal blood chemistry, change in tissue perfusion, myocardial infarction, stroke, hypoglycemia, hyperglycemia, electrolyte disturbance, and/or hormone imbalance) to determine whether to send an actuation signal (e.g., to send an actuation signal only during an abnormal condition of the body).
- an implanted defibrillator may be configured to be actuated only when an authentic signal is received and when the patient exhibits an abnormal heart rhythm.
- the authentication circuitry may be configurable, either before or after implantation into a patient.
- the circuitry may be configured to accept a range of blood pressures that can be considered to be normal for a particular patient. In some embodiments, this range can be adjusted after the implant has been placed.
- the sensed physiological parameter may also be used to alter the permissions required to actuate the implant.
- an implanted defibrillator may require codes from both doctor and patient for actuation when patient's sensed heart rhythm appears to be normal (or may not be actuatable at all during normal heart rhythm), may be actuated by the patient or the doctor when the heart appears to be beating with an abnormal rhythm, and may be actuated by anyone when the heart has stopped beating.
- the implant may be configured to transmit such information in response to an authentication signal.
- the implant may be configured to transmit either instantaneous values of the parameter, and/or a historical record of past values of the parameter.
- FIG. 7 is a flow chart illustrating a method of treating a patient having a surgical implant of a type responsive to a spatiotemporal signal sequence to change from a first mechanical configuration to a second mechanical configuration.
- the method includes directing 152 a series of signals corresponding to the spatiotemporal signal sequence into the patient's body. It may also include measuring 154 a physiological parameter of the patient, and directing 152 the series of signals in response to the measured parameter.
- the method may include monitoring the stress level in a vertebra, and sending a signal sequence to adjust the implant of FIG. 1 in response to the monitored stress, or monitoring blood chemistry and adjusting an expandable stent in response to the monitored chemistry.
- monitored physiological parameters may include, for instance, blood pressure, heart rhythm, breathing rhythm, neurological activity, blood flow, blood oxygenation, end tidal CO 2 , pressure, viscosity, joint angle, vertebral angle, spinal angle, mechanical stress, shear, torque, distance between selected reference points, mechanical strain, modulus, or compressibility.
- the patient to be treated according to the method illustrated in FIG. 7 may have multiple implants that are responsive to spatiotemporal signal sequences.
- Directing 152 the series of signals into the patient's body may include directing a signal sequence to which fewer than all such implants will respond, for example directing a signal to which only a single implant will respond.
- the method may also include interrogating 156 the implant(s) for self-identification.
- Implants may include an active transmitter and/or a passive self-identification component (such as an RFID), which may convey information about the identity of the implant, such as location, size, shape, serial numbers, and/or information about the types of signals that may be used to actuate the implant.
- FIG. 8 is a flow chart illustrating a method of operating an implant in a body.
- the method includes receiving 172 an implant-correlated spatiotemporal signal sequence, and responding 174 to the received signal sequence by performing an action.
- Some examples of actions may be shifting 176 from a first to a second mechanical position in the body, transmitting 178 information out of the body (e.g., a physiological parameter, an environmental parameter, and/or identifying information for the implant), determining 180 a permission level for the implant-correlated signal sequence, or modifying 182 internal logic circuitry that determines response to spatiotemporal signal sequences (e.g., changing a "normal" range of a physiological parameter, and/or adding an authorized user).
- information out of the body e.g., a physiological parameter, an environmental parameter, and/or identifying information for the implant
- determining 180 a permission level for the implant-correlated signal sequence e.g., changing a "normal" range of a physiological parameter, and/or adding an authorized user.
- Responding may also include determining 184 whether the spatiotemporal signal sequence appears to originate from a sender having permission to actuate the implant. While various aspects and embodiments have been disclosed herein, other aspects and embodiments will be apparent to those skilled in the art. The various aspects and embodiments disclosed herein are for purposes of illustration and are not intended to be limiting, with the true scope and spirit being indicated by the following claims.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112008000456T DE112008000456T5 (en) | 2007-02-22 | 2008-02-14 | Activation of surgical implants with coded sequences |
GB0916445A GB2459634B (en) | 2007-02-22 | 2008-02-14 | Activation of surgical implants |
JP2009550890A JP5290999B2 (en) | 2007-02-22 | 2008-02-14 | Activation by coded array of surgical implants |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/710,592 | 2007-02-22 | ||
US11/710,592 US20080207983A1 (en) | 2007-02-22 | 2007-02-22 | Coded-sequence activation of surgical implants |
US11/710,591 | 2007-02-22 | ||
US11/710,591 US8875714B2 (en) | 2007-02-22 | 2007-02-22 | Coded-sequence activation of surgical implants |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008103279A1 true WO2008103279A1 (en) | 2008-08-28 |
Family
ID=39710356
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/002010 WO2008103278A2 (en) | 2007-02-22 | 2008-02-14 | Coded-sequence activation of surgical implants |
PCT/US2008/002011 WO2008103279A1 (en) | 2007-02-22 | 2008-02-14 | Coded-sequence activation of surgical implants |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/002010 WO2008103278A2 (en) | 2007-02-22 | 2008-02-14 | Coded-sequence activation of surgical implants |
Country Status (5)
Country | Link |
---|---|
US (2) | US20080207983A1 (en) |
JP (1) | JP5290999B2 (en) |
DE (1) | DE112008000456T5 (en) |
GB (2) | GB2459634B (en) |
WO (2) | WO2008103278A2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7702394B2 (en) * | 2001-05-01 | 2010-04-20 | Intrapace, Inc. | Responsive gastric stimulator |
CA2691620A1 (en) * | 2007-06-29 | 2009-01-08 | Intrapace, Inc. | Sensor driven gastric stimulation for patient management |
US8214049B2 (en) * | 2007-07-25 | 2012-07-03 | Intrapace Inc. | Gastric stimulation systems and methods utilizing a transgastric probe |
US20100087706A1 (en) * | 2008-09-30 | 2010-04-08 | Intrapace, Inc. | Lead Access |
US9089717B2 (en) * | 2008-10-10 | 2015-07-28 | Peter Forsell | Charger for implant |
AU2009324421B2 (en) * | 2008-12-12 | 2016-01-14 | Intrapace, Inc. | Detection of food or drink consumption in order to control therapy or provide diagnostics |
CA2757599C (en) | 2009-04-03 | 2017-09-05 | Intrapace, Inc. | Feedback systems and methods for communicating diagnostic and/or treatment signals to enhance obesity treatments |
WO2012045030A2 (en) | 2010-10-01 | 2012-04-05 | Intrapace, Inc. | Feedback systems and methods to enhance obstructive and other obesity treatments, optionally using multiple sensors |
WO2015200704A1 (en) * | 2014-06-25 | 2015-12-30 | Hunter William L | Devices, systems and methods for using and monitoring implants |
WO2017004483A1 (en) * | 2015-07-02 | 2017-01-05 | Mirus Llc | Medical devices with integrated sensors and method of production |
JP7232184B2 (en) * | 2016-12-23 | 2023-03-02 | ニューロメトリックス・インコーポレーテッド | Smart electrode components for transcutaneous electrical nerve stimulation (TENS) |
CA3112634A1 (en) | 2018-09-13 | 2020-03-19 | Allergan, Inc. | Tissue expansion device |
USD896383S1 (en) | 2018-09-13 | 2020-09-15 | Allergan, Inc. | Tissue expansion device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050208095A1 (en) * | 2003-11-20 | 2005-09-22 | Angiotech International Ag | Polymer compositions and methods for their use |
US20060271112A1 (en) * | 2004-11-15 | 2006-11-30 | Martinson James B | Instrumented orthopedic and other medical implants |
US20070010868A1 (en) * | 2004-04-19 | 2007-01-11 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Lumenally-active device |
US20070021458A1 (en) * | 2005-07-21 | 2007-01-25 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Selective resonance of bodily agents |
Family Cites Families (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2003A (en) * | 1841-03-12 | Improvement in horizontal windivhlls | ||
US4543955A (en) * | 1983-08-01 | 1985-10-01 | Cordis Corporation | System for controlling body implantable action device |
US4850372A (en) * | 1987-08-25 | 1989-07-25 | The Johns Hopkins University | Electromagnetic non-invasive measurement and monitoring system for osteoporosis |
JP2521525B2 (en) * | 1988-12-29 | 1996-08-07 | 日本発条株式会社 | Tensioner |
US5041092A (en) * | 1989-08-29 | 1991-08-20 | Medical Engineering Corporation | Urethral indwelling catheter with magnetically controlled drainage valve and method |
US5156605A (en) * | 1990-07-06 | 1992-10-20 | Autogenesis Corporation | Automatic internal compression-distraction-method and apparatus |
JP2913611B2 (en) * | 1991-10-22 | 1999-06-28 | 日本電信電話株式会社 | Learning type electromyogram pattern recognition robot hand controller |
US5415660A (en) * | 1994-01-07 | 1995-05-16 | Regents Of The University Of Minnesota | Implantable limb lengthening nail driven by a shape memory alloy |
US6695848B2 (en) * | 1994-09-02 | 2004-02-24 | Hudson Surgical Design, Inc. | Methods for femoral and tibial resection |
US5971984A (en) * | 1995-03-01 | 1999-10-26 | Smith & Nephew, Inc. | Method of using an orthopaedic fixation device |
US5575790A (en) * | 1995-03-28 | 1996-11-19 | Rensselaer Polytechnic Institute | Shape memory alloy internal linear actuator for use in orthopedic correction |
US6835207B2 (en) * | 1996-07-22 | 2004-12-28 | Fred Zacouto | Skeletal implant |
US6695885B2 (en) * | 1997-02-26 | 2004-02-24 | Alfred E. Mann Foundation For Scientific Research | Method and apparatus for coupling an implantable stimulator/sensor to a prosthetic device |
US6164284A (en) * | 1997-02-26 | 2000-12-26 | Schulman; Joseph H. | System of implantable devices for monitoring and/or affecting body parameters |
IL128261A0 (en) * | 1999-01-27 | 1999-11-30 | Disc O Tech Medical Tech Ltd | Expandable element |
US6033412A (en) * | 1997-04-03 | 2000-03-07 | Losken; H. Wolfgang | Automated implantable bone distractor for incremental bone adjustment |
US7267665B2 (en) * | 1999-06-03 | 2007-09-11 | Medtronic Minimed, Inc. | Closed loop system for controlling insulin infusion |
US6486588B2 (en) * | 1997-12-30 | 2002-11-26 | Remon Medical Technologies Ltd | Acoustic biosensor for monitoring physiological conditions in a body implantation site |
JPH11203022A (en) * | 1998-01-16 | 1999-07-30 | Technos Japan:Kk | Method and device for applying biological signal as device control signal |
DE19829523A1 (en) * | 1998-07-02 | 2000-01-05 | Michael Butsch | Distraction device for moving apart a one- or two-part, possibly separate bone |
US6032677A (en) * | 1998-07-17 | 2000-03-07 | Blechman; Abraham M. | Method and apparatus for stimulating the healing of medical implants |
US6063121A (en) * | 1998-07-29 | 2000-05-16 | Xavier; Ravi | Vertebral body prosthesis |
US7121825B2 (en) * | 1998-11-30 | 2006-10-17 | Align Technology, Inc. | Tooth positioning appliances and systems |
DE19908851A1 (en) * | 1999-03-01 | 2000-09-07 | Rainer Baumgart | Intramedullary nail for bone distraction |
US6694180B1 (en) * | 1999-10-11 | 2004-02-17 | Peter V. Boesen | Wireless biopotential sensing device and method with capability of short-range radio frequency transmission and reception |
CA2392006C (en) * | 1999-11-17 | 2011-03-15 | Microchips, Inc. | Microfabricated devices for the delivery of molecules into a carrier fluid |
US6485588B1 (en) * | 2000-01-20 | 2002-11-26 | Trw Inc. | Autoignition material additive |
US6450946B1 (en) * | 2000-02-11 | 2002-09-17 | Obtech Medical Ag | Food intake restriction with wireless energy transfer |
ATE324087T1 (en) * | 2000-02-14 | 2006-05-15 | Potencia Medical Ag | MALE IMPOTENCY PROSTHESIS DEVICE WITH WIRELESS POWER SUPPLY |
US7601171B2 (en) * | 2003-10-23 | 2009-10-13 | Trans1 Inc. | Spinal motion preservation assemblies |
US7776068B2 (en) * | 2003-10-23 | 2010-08-17 | Trans1 Inc. | Spinal motion preservation assemblies |
US6735479B2 (en) | 2000-06-14 | 2004-05-11 | Medtronic, Inc. | Lifestyle management system |
US6880085B1 (en) * | 2000-11-01 | 2005-04-12 | Cardiac Pacemakers, Inc. | Security system for implantable medical devices |
JP2002248081A (en) | 2001-02-26 | 2002-09-03 | Olympus Optical Co Ltd | Medical equipment |
GB0106588D0 (en) * | 2001-03-16 | 2001-05-09 | Finsbury Dev Ltd | Tissue distracter |
US6535764B2 (en) * | 2001-05-01 | 2003-03-18 | Intrapace, Inc. | Gastric treatment and diagnosis device and method |
EP1480574A4 (en) * | 2001-09-24 | 2007-05-02 | Conform Orthodontics Inc | Adjustable orthodontic band |
US7767415B2 (en) * | 2001-09-25 | 2010-08-03 | Velico Medical, Inc. | Compositions and methods for modifying blood cell carbohydrates |
JP3925139B2 (en) * | 2001-10-04 | 2007-06-06 | 凸版印刷株式会社 | Biological information management system and wireless identification tag |
US6988887B2 (en) * | 2002-02-18 | 2006-01-24 | 3M Innovative Properties Company | Orthodontic separators |
US20040122305A1 (en) * | 2002-12-20 | 2004-06-24 | Grimm James E. | Surgical instrument and method of positioning same |
US7660623B2 (en) * | 2003-01-30 | 2010-02-09 | Medtronic Navigation, Inc. | Six degree of freedom alignment display for medical procedures |
US6940209B2 (en) * | 2003-09-08 | 2005-09-06 | New Scale Technologies | Ultrasonic lead screw motor |
US7309943B2 (en) * | 2003-09-08 | 2007-12-18 | New Scale Technologies, Inc. | Mechanism comprised of ultrasonic lead screw motor |
US7170214B2 (en) * | 2003-09-08 | 2007-01-30 | New Scale Technologies, Inc. | Mechanism comprised of ultrasonic lead screw motor |
US20050203513A1 (en) * | 2003-09-24 | 2005-09-15 | Tae-Ahn Jahng | Spinal stabilization device |
US7634597B2 (en) * | 2003-10-08 | 2009-12-15 | Micron Technology, Inc. | Alignment of instructions and replies across multiple devices in a cascaded system, using buffers of programmable depths |
US20050267353A1 (en) * | 2004-02-04 | 2005-12-01 | Joel Marquart | Computer-assisted knee replacement apparatus and method |
US20050234448A1 (en) * | 2004-03-19 | 2005-10-20 | Mccarthy James | Implantable bone-lengthening device |
JP2005287690A (en) * | 2004-03-31 | 2005-10-20 | Shinichi Sugiura | Implant management device and data reader |
US7531002B2 (en) * | 2004-04-16 | 2009-05-12 | Depuy Spine, Inc. | Intervertebral disc with monitoring and adjusting capabilities |
US20050256576A1 (en) * | 2004-05-13 | 2005-11-17 | Moskowitz Nathan C | Artificial expansile total lumbar and thoracic discs for posterior placement without supplemental instrumentation and its adaptation for anterior placement of artificial cervical, thoracic and lumbar discs |
US7648965B2 (en) * | 2004-05-14 | 2010-01-19 | Unigene Laboratories Inc. | Method for fostering bone formation and preservation |
WO2005119610A1 (en) | 2004-05-28 | 2005-12-15 | Jan De Geest | Communication unit for a person's skin |
EP1765204B1 (en) * | 2004-06-07 | 2018-12-26 | Synthes GmbH | Orthopaedic implant with sensors |
US20060036259A1 (en) * | 2004-08-03 | 2006-02-16 | Carl Allen L | Spine treatment devices and methods |
US20060036323A1 (en) * | 2004-08-03 | 2006-02-16 | Carl Alan L | Facet device and method |
WO2006034273A2 (en) * | 2004-09-21 | 2006-03-30 | Shalon Ventures Inc. | Tissue expansion devices |
US8439915B2 (en) * | 2004-09-29 | 2013-05-14 | The Regents Of The University Of California | Apparatus and methods for magnetic alteration of anatomical features |
US7559951B2 (en) * | 2004-09-30 | 2009-07-14 | Depuy Products, Inc. | Adjustable, remote-controllable orthopaedic prosthesis and associated method |
WO2006048664A2 (en) * | 2004-11-04 | 2006-05-11 | L & P 100 Limited | Medical devices |
US20060136062A1 (en) * | 2004-12-17 | 2006-06-22 | Dinello Alexandre | Height-and angle-adjustable motion disc implant |
US20080254416A1 (en) * | 2005-01-28 | 2008-10-16 | Bernard Claudinon | Device For Producing Movement of a Cabin Along 3,4 or 6 Axes |
US20060173238A1 (en) * | 2005-01-31 | 2006-08-03 | Starkebaum Warren L | Dynamically controlled gastric occlusion device |
US20060252983A1 (en) * | 2005-02-11 | 2006-11-09 | Lembo Nicholas J | Dynamically adjustable gastric implants and methods of treating obesity using dynamically adjustable gastric implants |
JP4681908B2 (en) | 2005-02-14 | 2011-05-11 | オリンパス株式会社 | Surgical device controller and surgical system using the same |
AU2006214249B8 (en) * | 2005-02-18 | 2011-11-17 | Komistek, Richard D | Smart joint implant sensors |
US7899540B2 (en) * | 2005-04-29 | 2011-03-01 | Cyberonics, Inc. | Noninvasively adjustable gastric band |
US7727141B2 (en) * | 2005-05-04 | 2010-06-01 | Ethicon Endo-Surgery, Inc. | Magnetic resonance imaging (MRI) safe remotely adjustable artifical sphincter |
US7867235B2 (en) * | 2005-06-14 | 2011-01-11 | Fell Barry M | System and method for joint restoration by extracapsular means |
US7334594B2 (en) * | 2005-06-29 | 2008-02-26 | Codman & Shurtleff, Inc. | Apparatus and method for adjusting a locking mechanism of a shunt valve |
US7895899B2 (en) * | 2005-12-03 | 2011-03-01 | Kelly Brian P | Multi-axis, programmable spine testing system |
US20070161888A1 (en) * | 2005-12-30 | 2007-07-12 | Sherman Jason T | System and method for registering a bone of a patient with a computer assisted orthopaedic surgery system |
US8043206B2 (en) * | 2006-01-04 | 2011-10-25 | Allergan, Inc. | Self-regulating gastric band with pressure data processing |
US20070169567A1 (en) * | 2006-01-20 | 2007-07-26 | Mts Systems Corporation | Duty cycle loading for orthopedic simulator |
WO2007084416A2 (en) * | 2006-01-13 | 2007-07-26 | Kim Richard C | Magnetic spinal implant device |
US8337508B2 (en) * | 2006-03-20 | 2012-12-25 | Perception Raisonnement Action En Medecine | Distractor system |
US7854765B2 (en) | 2006-04-20 | 2010-12-21 | Moskowitz Mosheh T | Electronically controlled artificial intervertebral disc with motor assisted actuation systems |
US20070255286A1 (en) * | 2006-04-27 | 2007-11-01 | Sdgi Holdings, Inc. | Devices, apparatus, and methods for improved disc augmentation |
US7797828B2 (en) * | 2006-04-28 | 2010-09-21 | Honeywell International Inc. | Adaptive machining and weld repair process |
US20090076597A1 (en) * | 2007-09-19 | 2009-03-19 | Jonathan Micheal Dahlgren | System for mechanical adjustment of medical implants |
US8915866B2 (en) * | 2008-01-18 | 2014-12-23 | Warsaw Orthopedic, Inc. | Implantable sensor and associated methods |
EP4088772A1 (en) | 2008-01-28 | 2022-11-16 | Implantica Patent Ltd. | A drainage device |
US7927375B2 (en) * | 2008-09-12 | 2011-04-19 | Doty Keith L | Dynamic six-degrees-of-freedom intervertebral spinal disc prosthesis |
-
2007
- 2007-02-22 US US11/710,592 patent/US20080207983A1/en not_active Abandoned
- 2007-02-22 US US11/710,591 patent/US8875714B2/en not_active Expired - Fee Related
-
2008
- 2008-02-14 GB GB0916445A patent/GB2459634B/en not_active Expired - Fee Related
- 2008-02-14 WO PCT/US2008/002010 patent/WO2008103278A2/en active Application Filing
- 2008-02-14 GB GB1109072.7A patent/GB2480769B/en not_active Expired - Fee Related
- 2008-02-14 DE DE112008000456T patent/DE112008000456T5/en not_active Withdrawn
- 2008-02-14 WO PCT/US2008/002011 patent/WO2008103279A1/en active Application Filing
- 2008-02-14 JP JP2009550890A patent/JP5290999B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050208095A1 (en) * | 2003-11-20 | 2005-09-22 | Angiotech International Ag | Polymer compositions and methods for their use |
US20070010868A1 (en) * | 2004-04-19 | 2007-01-11 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Lumenally-active device |
US20060271112A1 (en) * | 2004-11-15 | 2006-11-30 | Martinson James B | Instrumented orthopedic and other medical implants |
US20070021458A1 (en) * | 2005-07-21 | 2007-01-25 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Selective resonance of bodily agents |
Also Published As
Publication number | Publication date |
---|---|
WO2008103278A2 (en) | 2008-08-28 |
GB201109072D0 (en) | 2011-07-13 |
GB2480769B (en) | 2012-01-25 |
GB0916445D0 (en) | 2009-10-28 |
JP5290999B2 (en) | 2013-09-18 |
JP2010518965A (en) | 2010-06-03 |
WO2008103278A3 (en) | 2008-10-16 |
GB2459634A (en) | 2009-11-04 |
US8875714B2 (en) | 2014-11-04 |
DE112008000456T5 (en) | 2010-01-14 |
US20080208010A1 (en) | 2008-08-28 |
GB2459634B (en) | 2011-08-10 |
US20080207983A1 (en) | 2008-08-28 |
GB2480769A (en) | 2011-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8875714B2 (en) | Coded-sequence activation of surgical implants | |
US20230233096A1 (en) | Devices, systems and methods for using and monitoring spinal implants | |
US20220126091A1 (en) | Electrical stimulator for treatment of back pain and methods of use | |
CN107835674B (en) | Spinal implant system and method | |
US7991461B2 (en) | Patient training routine for biological interface system | |
CN107405083B (en) | Implantable devices for heart failure monitoring and related methods | |
US6871099B1 (en) | Fully implantable microstimulator for spinal cord stimulation as a therapy for chronic pain | |
US8095209B2 (en) | Biological interface system with gated control signal | |
US7901368B2 (en) | Neurally controlled patient ambulation system | |
US20060189899A1 (en) | Joint movement apparatus | |
US20080033501A1 (en) | Elliptical element for blood pressure reduction | |
US8868215B2 (en) | Apparatus and methods for minimally invasive obesity treatment | |
WO2023031069A1 (en) | Methods and devices for secure communication with and operation of an implant | |
CA3229428A1 (en) | Restriction device | |
JP6005178B2 (en) | System for treating idiopathic scoliosis | |
KR20240041940A (en) | Gastroesophageal reflux disease treatment | |
WO2023156573A1 (en) | Methods and devices for secure communication with and operation of an implant | |
ZA200101735B (en) | Medical implant system. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08725623 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009550890 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1120080004560 Country of ref document: DE |
|
ENP | Entry into the national phase |
Ref document number: 0916445 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20080214 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 0916445.0 Country of ref document: GB |
|
RET | De translation (de og part 6b) |
Ref document number: 112008000456 Country of ref document: DE Date of ref document: 20100114 Kind code of ref document: P |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 08725623 Country of ref document: EP Kind code of ref document: A1 |