EP4510965A1 - Medizinische haltearmvorrichtung - Google Patents
Medizinische haltearmvorrichtungInfo
- Publication number
- EP4510965A1 EP4510965A1 EP23729071.3A EP23729071A EP4510965A1 EP 4510965 A1 EP4510965 A1 EP 4510965A1 EP 23729071 A EP23729071 A EP 23729071A EP 4510965 A1 EP4510965 A1 EP 4510965A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding arm
- joint
- locking
- operating state
- medical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B2090/5025—Supports for surgical instruments, e.g. articulated arms with a counter-balancing mechanism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B2090/508—Supports for surgical instruments, e.g. articulated arms with releasable brake mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/066—Arms being part of the head
Definitions
- the holding arm device comprises an end segment, a further joint, which at least indirectly connects the end segment and the further holding arm segment to one another, and a further locking device assigned to the further joint, which blocks the further joint in a first operating state and in a second operating state releases.
- a locking effect can advantageously be achieved up to an end segment of the holding arm device.
- An end segment can in particular be a distal and/or a proximal holding arm segment, i.e. in particular a last or a first holding arm segment.
- the locking device and the further locking device be connected in series with one another, so that at least part of the force exerted by the actuator on the locking device can be transferred from the locking device to the further locking device, whereby these form a kinematic chain, so that the locking devices are always can be switched together from one operating state to the other.
- Control can advantageously be simplified.
- the locking elements and the transmission elements are arranged one behind the other in a row, so that the movement of a transmission element on a Locking element and can be transferred from the locking element to a further transmission element and a further locking element.
- the force sensor is arranged on the further locking device in order to detect an operating state of all locking devices.
- the entire holding arm device only comprises this one force sensor, which is arranged on the further locking device and in particular on the further transmission element of the further locking device.
- all other locking devices are preferably free of force sensors.
- the force sensor can be designed as a strain gauge. Component costs can be advantageously reduced.
- the force sensor could also be a piezoresistive pressure sensor; this is particularly useful if the locking element and/or the transmission element are designed to be pneumatic or hydraulic.
- control unit is set up to output an optical and/or acoustic signal when at least one lock is in the first operating state.
- Safety can advantageously be further improved since a user can be made aware of the operating state of the locking device by the signal.
- the optical and/or acoustic signal can be transmitted to an external device, such as a display, a loudspeaker, a screen hand-held device, such as a smartphone, a tablet, a smartwatch or the like can be forwarded and / or output.
- a holding arm system in particular a robotic holding arm system, is proposed, with one or more holding arms and one or more end effectors arranged on the holding arm.
- a medical holding arm system can advantageously be equipped with the advantages of the holding arm device.
- the holding arm system can in particular comprise at least two, preferably at least three and particularly preferably a plurality of holding arms.
- Show it: 1 is a schematic representation of a medical holding arm system with several holding arms in a perspective view
- FIG. 2 shows a schematic representation of a holding arm device of one of the holding arms of the holding arm system in a sectional view
- FIG. 3 shows a schematic representation of a locking of the holding arm device in a first operating state in a sectional view
- FIG. 4 shows a schematic representation of a locking of the holding arm device in a second operating state in a sectional view
- FIG. 5 shows a schematic flowchart of a method for operating a holding arm device
- Fig. 6 is a schematic representation of a further embodiment of a holding arm device in a perspective view.
- the medical holding arm system 42 is designed as a manually operated medical holding arm system 42.
- it could also be a robotic medical holding arm system, which can be used for telesurgery, for example.
- the medical holding arm system 42 includes, for example, a medical holding arm 40. Furthermore, the medical holding arm system 42 includes an end effector 44.
- the end effector 44 is arranged on the holding arm 40.
- the end effector 44 is attached to a distal end of the holding arm 8.
- the end effector 44 is designed to treat a patient.
- the end effector 44 may include an instrument, an endoscope, or the like. It is conceivable that such a holding arm system can have several such medical holding arms and end effectors, depending on the design and application.
- the medical holding arm 40 is set up for surgical use.
- the medical holding arm 40 includes a medical holding arm device.
- the holding arm device forms the holding arm 40 completely.
- the holding arm device can also only represent a part of the holding arm.
- Fig. 2 shows a schematic representation of a part of the holding arm device in a sectional view.
- the holding arm device comprises at least one holding arm segment 10 (see FIG. 1).
- the holding segment 10 is arranged at the proximal end of the holding arm 40.
- the holding arm segment 10 includes a transmission element 20.
- the transmission element 20 is set up to transmit force.
- the transmission element 20 is set up for mechanical power transmission.
- the transmission element 20 is designed as a transmission rod.
- the transmission element 20 is rigid.
- a transmission element could be set up for a pneumatic or hydraulic power transmission.
- such a transmission element could be designed as a fluid line.
- the holding arm segment 10 has a support element 32.
- the carrier element 32 is designed to withstand a force acting on the holding arm 40 from the outside, for example gravitational force, which is caused by the end effector 44 and / or the own weight of the holding arm 40. Furthermore, the carrier element 32 serves to support other components, such as the transmission element 20 when force is transmitted along the holding arm 40.
- the carrier element 32 is designed as a tube.
- the carrier element 32 has a recess 46.
- the recess 46 extends along a longitudinal direction of the carrier element 32.
- the recess 46 is a longitudinal recess.
- the recess 46 is designed as a bore.
- the carrier element 32 receives the transmission element 20.
- the transmission element 20 is arranged in the recess 46 of the carrier element 32.
- the holding arm device has a further holding arm segment 12.
- the further holding arm segment 12 is at least essentially identical to the holding arm segment 10.
- the further holding arm segment 12 and the holding arm segment 10 are at least indirectly connected to one another.
- the further holding arm segment 12 and the holding arm segment 10 are even directly connected to one another.
- the further holding arm segment 12 also has a further transmission element 58.
- the holding arm device comprises a joint 14.
- the joint 14 connects the holding arm segment 10 and the further holding arm segment 12 to one another.
- the joint 14 includes a Joint element 48.
- the joint element 48 is arranged on the carrier element 32 of the holding arm segment 10.
- the joint element 48 is arranged at the distal end of the carrier element 32. In the present case, the joint element 48 is connected in one piece to the carrier element 32.
- the joint 14 includes a further joint element 50.
- the further joint element 50 is arranged on a further support element 52 of the further holding arm segment 12.
- the further joint element 50 is arranged at the proximal end of the further support element 52.
- the further joint element 50 is connected in one piece to the further support element 52.
- the joint element 48 and the further joint element 50 engage with one another.
- the joint element 48 and the further joint element 50 are designed to correspond to one another.
- the joint element 48 is designed as a joint head.
- the further joint element 50 is designed as a joint head.
- the holding arm device has at least one lock 16.
- the lock 16 is assigned to the joint 14.
- the lock 16 has a first operating state. In the first operating state, the lock 16 locks the joint 14. Furthermore, the lock 16 has a second operating state. In the second operating state, the lock 16 releases the joint 14.
- the lock 16 is arranged within the joint 14.
- the lock 16 has a locking element 22.
- the locking element 22 is arranged within the joint element 48.
- the locking element 22 is connected to the transmission element 20.
- the locking element 22 is trapezoidal.
- the joint element 48 has a locking recess 54 which is designed to correspond to the locking element 22 and in which the locking element 22 is arranged.
- the locking element 22 is arranged in the locking recess 54 with play.
- the locking element 22 can be moved along the holding segment 10.
- the locking element 22 can be displaced in the distal direction along the holding segment 10 into a locking position.
- the locking element 22 spreads the joint element 48 open, whereby it is pressed against the further joint element 50.
- the joint elements 48, 50 are spread apart and a frictional connection occurs between these two components.
- This first loading The operating state is shown in FIG. 3 using a schematic representation of part of the holding arm device in a sectional view.
- the locking element 22 can be displaced in the proximal direction along the holding segment 10 into a release position. In the release position, expansion of the joint element 48 is canceled, which in turn eliminates the frictional connection between the joint element 48 and the further joint element 50.
- the holding arm device includes an additional holding arm segment 26 (see FIG. 1).
- the additional holding arm segment 26 is an end segment which is located at the distal end of the medical holding arm 40.
- the end effector 44 is arranged on the additional holding arm segment 40.
- such an end effector can also be connected to such an additional holding arm segment via a joint, as described above.
- the additional holding arm segment 26 and the further holding arm segment 12 are directly connected to one another in the present example. However, it is conceivable that one or more holding arm segments and joints and locks assigned to them are arranged between them.
- the holding arm device has a further joint 28 for connecting the additional holding arm segment 26 and the further holding arm segment 12.
- the further joint 28 is at least essentially identical to the joint 14.
- the holding arm device for locking the further joint 28 has a further locking device 30, which is assigned to the further joint 28.
- the further lock 30 is at least essentially identical to the lock 16.
- a locking element 56 of the further locking device 30 is connected to the further transmission element 58 of the further holding arm segment 12.
- the further locking element 56 is formed in one piece with the further transmission element 58.
- the further transmission element 58 in turn rests on the locking element 22 of the lock 16.
- the transmission elements 20, 58 and the locking elements 22, 56 form a kinetic chain which can be moved uniformly. In other words, if a transmission element 20 of the holding arm segment 10 is moved, this movement is transmitted to the locking element 22 and from there to the further transmission element 58 and in turn to the further locking element 56.
- the holding arm device has at least one force sensor 24.
- the force sensor 24 detects a force acting on the further locking device 30 in order to draw conclusions about an operating state of at least the locking device 16.
- the holding arm device has a force sensor 24, 60 for each locking device 16, 30.
- only a single force sensor can be used to infer the operating states of all locks, as long as the force sensor is assigned to the last lock. In other words, this is possible if this single force sensor is at the end of the kinetic chain.
- the force sensor 24 is arranged, for example, on the locking element 22. More precisely, in the present case, the force sensor 24 is arranged between the locking element 22 and the joint element 48. Alternatively, this could also be arranged on another joint element or another transmission element.
- the holding arm device has an actuator 16.
- the actuator 16 is arranged on the transmission element 20.
- the actuator 16 is designed, for example, as a linear motor.
- the holding arm device has a control unit 36 for control purposes.
- the control unit 36 is set up to read the force sensors 24, 60 in order to draw conclusions about an operating state of at least one of the locks 16, 30. Furthermore, the control unit 36 controls the actuator 18.
- the control unit 36 includes a memory (not shown). An operating program is stored in the memory. The operating program includes a method for operating the holding arm device.
- the control unit 36 includes a processor (not shown). The operating program can be executed using the processor.
- the holding arm device is therefore protected against movement and can be used safely.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022113294.3A DE102022113294B4 (de) | 2022-05-25 | 2022-05-25 | Medizinische Haltearmvorrichtung |
| PCT/EP2023/064053 WO2023227716A1 (de) | 2022-05-25 | 2023-05-25 | Medizinische haltearmvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4510965A1 true EP4510965A1 (de) | 2025-02-26 |
Family
ID=86710692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23729071.3A Pending EP4510965A1 (de) | 2022-05-25 | 2023-05-25 | Medizinische haltearmvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250345145A1 (de) |
| EP (1) | EP4510965A1 (de) |
| DE (1) | DE102022113294B4 (de) |
| WO (1) | WO2023227716A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016160272A1 (en) | 2015-03-27 | 2016-10-06 | Sonitrack Systems, Inc. | Rapidly repositionable powered support arm |
| EP3981354A1 (de) * | 2015-08-04 | 2022-04-13 | Sony Group Corporation | Steuerungsvorrichtung, steuerungsverfahren und medizinische stützarmvorrichtung |
| EP3269323B1 (de) * | 2015-08-12 | 2019-03-20 | medineering GmbH | Medizinischer haltearm mit ringförmigen led-anzeigemitteln |
| GB2548634B (en) * | 2016-03-26 | 2021-09-08 | Subratie Andrew | Utility arm |
| US10807242B2 (en) | 2017-12-13 | 2020-10-20 | Verb Surgical Inc. | Control modes and processes for positioning of a robotic manipulator |
| DE102018112682B4 (de) | 2018-05-28 | 2022-04-28 | Karl Storz Se & Co. Kg | Haltevorrichtung und Verfahren zum Arretieren der Haltevorrichtung |
| DE102021114151B4 (de) | 2021-06-01 | 2023-12-07 | Isys Medizintechnik Gmbh | Instrumentenvorschubvorrichtung |
-
2022
- 2022-05-25 DE DE102022113294.3A patent/DE102022113294B4/de active Active
-
2023
- 2023-05-25 EP EP23729071.3A patent/EP4510965A1/de active Pending
- 2023-05-25 WO PCT/EP2023/064053 patent/WO2023227716A1/de not_active Ceased
- 2023-05-25 US US18/868,342 patent/US20250345145A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022113294A1 (de) | 2023-11-30 |
| DE102022113294B4 (de) | 2024-06-06 |
| US20250345145A1 (en) | 2025-11-13 |
| WO2023227716A1 (de) | 2023-11-30 |
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