GB2330078A - Bolt for facilitating catheter insertion - Google Patents
Bolt for facilitating catheter insertion Download PDFInfo
- Publication number
- GB2330078A GB2330078A GB9721328A GB9721328A GB2330078A GB 2330078 A GB2330078 A GB 2330078A GB 9721328 A GB9721328 A GB 9721328A GB 9721328 A GB9721328 A GB 9721328A GB 2330078 A GB2330078 A GB 2330078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bolt
- section
- brain
- channel
- threaded
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0213—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
- A61M2025/0233—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body specifically adapted for attaching to a body wall by means which are on both sides of the wall, e.g. for attaching to an abdominal wall
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/028—Holding devices, e.g. on the body having a mainly rigid support structure
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Otolaryngology (AREA)
- Ophthalmology & Optometry (AREA)
- Neurology (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
A bolt which can be screwed into a skull and through which catheters can pass into a brain consists of a body section 1 and a threaded section 6 which screws into a skull. Three channels 2 tapering in towards each other pass through the body section and connect with narrow channels 5 in the threaded section. The channels in the body section have a threaded top section so that a gripping device can be screwed in and hold a catheter in place. The device is preferably made of a poly ether ether ketone and enables catheters to be conveniently inserted and held in place in a brain to monitor parameters of the brain such as pressure, pH, chemical compounds etc.
Description
Bolt
The present invention relates to a device for monitoring the brain, more particularly it relates to a device which facilitates the insertion of catheters and the like into the brain.
When a person suffers brain damage, such as from a head injury or haemorrhage etc. it is expedient to monitor the brain activity so that harmful and potentially harmful events can be detected before permanent damage to the brain can occur. In order to do this a screw device, which has a channel formed within it, is inserted through an incision in the scalp and attached to the skull and a catheter or other probe or measuring device, such as a pressure monitor inserted through the channel into the brain. In this way parameters such as pressure can be monitored. It is known to have bolts with more than one channel in line formed in it and more than one catheter inserted through it. Such bolts are made of titanium for its inertness and strength.
I have now devised an improved bolt for inserting probes into a brain.
According to the invention there is provided a bolt for inserting catheters, probes and the like into a brain, which bolt comprises a substantially circular body section connected to a threaded section, which threaded section is adapted to screw into a tapped hole in a skull, there being a plurality of tapped channels in the body section each of which tapped channel connects to a narrower channel passing through the screw section through which narrower channel is able to pass a catheter, so that, when the bolt is screwed into a tapped hole in a skull, a catheter can be inserted though the tapped channel in the body section and through the channel in the threaded section into the brain.
The tapped section of channel in the body section of the bolt enables a corresponding threaded gripping device to be screwed into it through which gripping device a catheter can pass and can be gripped and held it firmly in place.
The term catheter as used in this specification includes probes, fibres, fibre type measuring devices which incorporate transducers, detectors etc., monitors, chemical detectors etc.
Preferably there are at least three channels in the bolt, which are formed in three planes or dimensions so that catheters passed through them do not interfere with each other. The channels are preferably formed at an angle to each other so that they are furthest apart at the outside of the body section and taper inward towards each other so that they are substantially adjacent where they pass into the brain.
The bolt can be made of any substantially inert rigid material of sufficient strength and it has been found that poly aryl ether ketones and poly ether ether ketones, such as those sold under the trade name PEEK are particularly suitable. Bolts made of this material are strong, rigid and biologically inert and can be sterilised in an autoclave at high temperature or by chemical means and retain their strength and rigidity in use and after sterilisation. These bolts are able to be formed with the degree of accuracy required. Such material overcomes the difficulties of working with metals such as titanium with their well known difficulties of working and because it is non-metallic it has minimal electrical interference with any electrical or electronic scanning or monitoring device inserted into the brain, or computer tomography, magnetic resonance or positron emission tomography external scan.
The bolts of the present invention, because of their relative short length compared with existing devices, enable catheters to be easily inserted to a variety of depths in the brain and held in place. They enable different types of catheters to be inserted at the same time to enable a variety of parameters to be measured simultaneously.
Typical devices which can be inserted into the brain using the device of the present invention include intracranial pressure monitor to measure intracranial pressure, multiparameter sensor to measure brain oxygen, carbon dioxide, pH, temperature etc., microdialysis catheter to measure metabolites, neurotransmitters etc.
The device of the present invention can also enable drugs or other chemicals to be administered to specific locations in the brain and so can be used for treatment as well as diagnosis.
The invention is described in the accompanying drawings in which
Fig. 1 is a plan view of the device from the top
Fig. 2 is a side view of the device showing its construction
Fig. 3 is a plan view of the device from below
The bolt comprises a body section (1) formed from PEEK in which are formed channels (2a), (2b) and (2c), these channels have threaded sections (3a), (3b) and (3c).
At the lower ends of these channels are narrower channels (5a), (5b) and (5c) which pass through section (4) of the device which has a threaded section (6) as shown.
In use a tapped hole is drilled in a patient's skull and screw section (6) is screwed in.
Catheters can then be passed through channels (2) and (5) into the patient's brain.
The catheter can be held in place by a gripping device (not shown) which can screw into (3a), (3b) and (3c) to grip the catheter. Thus the catheters can be inserted into the brain and held in place and will allow the required monitoring, measuring or other treatments.
Claims (5)
- Claims 1. A bolt for inserting catheters and the like into a brain, which bolt comprises a substantially circular body section connected to a threaded section, which threaded section is adapted to screw into a tapped hole in a skull, there being a plurality of tapped channels in the body section each of which tapped channel connects to a narrower channel passing through the screw section through which narrower channel is able to pass a catheter, so that, when the bolt is screwed into a tapped hole in a skull a catheter can be inserted though the tapped channel in the body section and through the channel in the threaded section into the brain.
- 2. A bolt as claimed in claim 1 which is made from a poly ether ether ketone.
- 3. A device as claimed in claim 1 or 2 in which there are three channels positioned in three dimensions and which taper inwards towards each other in the direction of the threaded section of the device.
- 4. A device as claimed in any one of claims 1 to 3 in which there is a threaded gripping device screwed into the threaded section of the said channel which gripping device is able to grip and hold in place a catheter passing therethrough.
- 5. A bolt as herein before described with reference to the drawings.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9721328A GB2330078A (en) | 1997-10-08 | 1997-10-08 | Bolt for facilitating catheter insertion |
GB9822006A GB2330080B (en) | 1997-10-08 | 1998-10-08 | Bolt facilitating insertion of instruments into a brain. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9721328A GB2330078A (en) | 1997-10-08 | 1997-10-08 | Bolt for facilitating catheter insertion |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9721328D0 GB9721328D0 (en) | 1997-12-10 |
GB2330078A true GB2330078A (en) | 1999-04-14 |
Family
ID=10820229
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9721328A Withdrawn GB2330078A (en) | 1997-10-08 | 1997-10-08 | Bolt for facilitating catheter insertion |
GB9822006A Expired - Lifetime GB2330080B (en) | 1997-10-08 | 1998-10-08 | Bolt facilitating insertion of instruments into a brain. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9822006A Expired - Lifetime GB2330080B (en) | 1997-10-08 | 1998-10-08 | Bolt facilitating insertion of instruments into a brain. |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2330078A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2342583A (en) * | 1998-10-02 | 2000-04-19 | Diametrics Medical Limited | A cranial bolt |
GB2355665A (en) * | 1999-11-01 | 2001-05-02 | David Brian Ashton Hutchinson | Cranial bolt |
GB2357700A (en) * | 1999-12-01 | 2001-07-04 | Steven Gill | Neurosurgical guide device |
US6905474B2 (en) | 2000-09-11 | 2005-06-14 | Csf Dynamic A/S | Fluid shunt system and a method for the treatment of hydrocephalus |
EP1633233A2 (en) * | 2003-05-30 | 2006-03-15 | Innerspace Medical, Inc. | System and method for intracranial access and monitoring |
US7118548B2 (en) | 1996-09-18 | 2006-10-10 | Sinu Shunt A/S | Device for the treatment of hydrocephalus |
US7604658B2 (en) | 2004-05-04 | 2009-10-20 | Codman & Shurtleff, Inc. | Multiple lumen sensor attachment |
EP2515750A2 (en) * | 2009-12-21 | 2012-10-31 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
US8721643B2 (en) | 2005-08-23 | 2014-05-13 | Smith & Nephew, Inc. | Telemetric orthopaedic implant |
US9452241B2 (en) | 2006-08-18 | 2016-09-27 | Renishaw (Ireland) Limited | Neurosurgical instruments |
US9492210B2 (en) | 2008-10-15 | 2016-11-15 | Smith & Nephew, Inc. | Composite internal fixators |
US9849216B2 (en) | 2006-03-03 | 2017-12-26 | Smith & Nephew, Inc. | Systems and methods for delivering a medicament |
US10751513B2 (en) | 2012-07-24 | 2020-08-25 | Renishaw Plc | Neurosurgical apparatus and methods |
US11160580B2 (en) | 2019-04-24 | 2021-11-02 | Spine23 Inc. | Systems and methods for pedicle screw stabilization of spinal vertebrae |
US11759238B2 (en) | 2008-10-01 | 2023-09-19 | Sherwin Hua | Systems and methods for pedicle screw stabilization of spinal vertebrae |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7660621B2 (en) | 2000-04-07 | 2010-02-09 | Medtronic, Inc. | Medical device introducer |
US7704260B2 (en) | 2002-09-17 | 2010-04-27 | Medtronic, Inc. | Low profile instrument immobilizer |
WO2005079912A1 (en) | 2004-02-13 | 2005-09-01 | Medtronic, Inc. | Methods and apparatus for securing a therapy delivery device within a burr hole |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629451A (en) * | 1985-09-23 | 1986-12-16 | Victory Engineering Corp. | Stereotaxic array plug |
US4903707A (en) * | 1988-04-22 | 1990-02-27 | Camino Laboratories | Ventricular catheter assembly |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997042870A1 (en) * | 1996-05-14 | 1997-11-20 | Camino Neurocare, Inc. | Expandable parenchymal bolt |
-
1997
- 1997-10-08 GB GB9721328A patent/GB2330078A/en not_active Withdrawn
-
1998
- 1998-10-08 GB GB9822006A patent/GB2330080B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629451A (en) * | 1985-09-23 | 1986-12-16 | Victory Engineering Corp. | Stereotaxic array plug |
US4903707A (en) * | 1988-04-22 | 1990-02-27 | Camino Laboratories | Ventricular catheter assembly |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7118548B2 (en) | 1996-09-18 | 2006-10-10 | Sinu Shunt A/S | Device for the treatment of hydrocephalus |
GB2342583B (en) * | 1998-10-02 | 2003-02-26 | Diametrics Medical Ltd | Cranial bolt |
GB2342583A (en) * | 1998-10-02 | 2000-04-19 | Diametrics Medical Limited | A cranial bolt |
GB2355665A (en) * | 1999-11-01 | 2001-05-02 | David Brian Ashton Hutchinson | Cranial bolt |
GB2357700A (en) * | 1999-12-01 | 2001-07-04 | Steven Gill | Neurosurgical guide device |
GB2357700B (en) * | 1999-12-01 | 2004-02-25 | Steven Gill | A neurosurgical guide device |
US6905474B2 (en) | 2000-09-11 | 2005-06-14 | Csf Dynamic A/S | Fluid shunt system and a method for the treatment of hydrocephalus |
US10695001B2 (en) | 2003-05-30 | 2020-06-30 | Irras Usa, Inc. | System and method for intracranial access and monitoring |
EP1633233A2 (en) * | 2003-05-30 | 2006-03-15 | Innerspace Medical, Inc. | System and method for intracranial access and monitoring |
EP1633233A4 (en) * | 2003-05-30 | 2010-07-07 | Innerspace Medical Inc | System and method for intracranial access and monitoring |
US9232921B2 (en) | 2003-05-30 | 2016-01-12 | Innerspace Medical, Inc. | System and method for intracranial access and monitoring |
US11723601B2 (en) | 2003-05-30 | 2023-08-15 | Irras Usa, Inc. | System and method for intracranial access and monitoring |
US7604658B2 (en) | 2004-05-04 | 2009-10-20 | Codman & Shurtleff, Inc. | Multiple lumen sensor attachment |
US8721643B2 (en) | 2005-08-23 | 2014-05-13 | Smith & Nephew, Inc. | Telemetric orthopaedic implant |
US9849216B2 (en) | 2006-03-03 | 2017-12-26 | Smith & Nephew, Inc. | Systems and methods for delivering a medicament |
US10857327B2 (en) | 2006-08-18 | 2020-12-08 | Renishaw Plc | Neurosurgical instruments |
US9452241B2 (en) | 2006-08-18 | 2016-09-27 | Renishaw (Ireland) Limited | Neurosurgical instruments |
US11759238B2 (en) | 2008-10-01 | 2023-09-19 | Sherwin Hua | Systems and methods for pedicle screw stabilization of spinal vertebrae |
US10357292B2 (en) | 2008-10-15 | 2019-07-23 | Smith & Nephew, Inc. | Composite internal fixators |
US9492210B2 (en) | 2008-10-15 | 2016-11-15 | Smith & Nephew, Inc. | Composite internal fixators |
US11096726B2 (en) | 2008-10-15 | 2021-08-24 | Smith & Nephew, Inc. | Composite internal fixators |
US9820668B2 (en) | 2009-12-21 | 2017-11-21 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
US9642552B2 (en) | 2009-12-21 | 2017-05-09 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
US9179875B2 (en) | 2009-12-21 | 2015-11-10 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
US10736533B2 (en) | 2009-12-21 | 2020-08-11 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
EP2515750A4 (en) * | 2009-12-21 | 2013-07-10 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
JP2013514870A (en) * | 2009-12-21 | 2013-05-02 | フア,シャーウィン | Insertion and use of medical devices through non-orthogonal and orthogonal pathways within the skull |
EP2515750A2 (en) * | 2009-12-21 | 2012-10-31 | Sherwin Hua | Insertion of medical devices through non-orthogonal and orthogonal trajectories within the cranium and methods of using |
US10751513B2 (en) | 2012-07-24 | 2020-08-25 | Renishaw Plc | Neurosurgical apparatus and methods |
US11160580B2 (en) | 2019-04-24 | 2021-11-02 | Spine23 Inc. | Systems and methods for pedicle screw stabilization of spinal vertebrae |
Also Published As
Publication number | Publication date |
---|---|
GB9721328D0 (en) | 1997-12-10 |
GB2330080A (en) | 1999-04-14 |
GB9822006D0 (en) | 1998-12-02 |
GB2330080B (en) | 2001-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |