GB1569843A - Surgical handpiece for holding and driving a surgical tool - Google Patents

Surgical handpiece for holding and driving a surgical tool Download PDF

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Publication number
GB1569843A
GB1569843A GB477177A GB477177A GB1569843A GB 1569843 A GB1569843 A GB 1569843A GB 477177 A GB477177 A GB 477177A GB 477177 A GB477177 A GB 477177A GB 1569843 A GB1569843 A GB 1569843A
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GB
United Kingdom
Prior art keywords
sleeve
handpiece
tool
actuator sleeve
actuator
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.)
Expired
Application number
GB477177A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaltenbach and Voigt GmbH
Original Assignee
Kaltenbach and Voigt GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kaltenbach and Voigt GmbH filed Critical Kaltenbach and Voigt GmbH
Publication of GB1569843A publication Critical patent/GB1569843A/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/162—Chucks or tool parts which are to be held in a chuck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/147—Tool-holders, i.e. operating tool holders, e.g. burr holders in a straight handpiece
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1644—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid
    • A61B17/1646—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid with sealing means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1644—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid
    • A61B2017/1651—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid for cooling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/142—Operating tool blocking means
    • A61C1/144—Operating tool blocking means constricting the operating tool, e.g. chuck

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Epidemiology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Mounted in the inside of the dental handpiece, which has a plurality of cylindrical handpiece sleeves (1), is a coaxial drive shaft (2) which has a longitudinal bore (4) with a conically designed free end (5) for receiving a collet chuck (6) for a tool. This collet chuck can be tightened by means of an actuating sleeve (11) in the longitudinal bore for the purpose of securing the shaft (8) of a tool (9). Provided at both ends of the actuating sleeve is in each case a sealing arrangement (30, 36; 31, 33), these sealing arrangements preventing dirt and the like from penetrating into the inside of the handpiece sleeves (1). <IMAGE>

Description

(54) A SURGICAL HANDPIECE FOR HOLDING AND DRIVING A SURGICAL TOOL (71) We, KALTENBACH & VOIGT GMBH & Co., a German Kommanditgesellschaft, of Bismarckring 39, 7950 Biberach/ Riss, Germany (Fed. Rep.), do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:: This invention relates to a surgical handpiece for holding and driving a surgical tool, said handpiece comprising a holder sleeve by which the handpiece can be held, a drive shaft mounted for rotation in said sleeve, a hollow portion provided in said shaft and including a conical surface in a part of the wall defining said hollow portion, a gripper device mounted in said hollow portion for holding the stem of a surgical tool and having an external conical portion engageable with said conical surface, and an actuator sleeve mounted on the handpiece for movement relative to said holder sleeve and connected to said gripper device whereby movement of the actuator sleeve effects longitudinal movement of the gripper device between a tool-release position and a tool-holder position.
The handpiece according to the invention may be surgical or dental handpiece. The tool to be held and driven by the handpiece may comprise a drill, a saw, a file or other examples of surgical and dental fools.
A dental handpiece of the general type defined above is known from German Auslegeschrift No. 2,234,321. In the case of this known handpiece, the actuator sleeve is a rotatably mounted screw-sleeve, and is provided substantially in the centre of the handpiece. A further dental handpiece of the general type defined above is known from German Patent Specification No.
628,627. In this case, the actuator sleeve is constructed as a rotatable sleeve which extends up to the tool-receiving end of the handpiece.
In both of the known dental handpieces, it is possible for contaminants such as dirt, blood or pus to pass into the interior of the handpiece from externally of the handpiece.
The reason for this is that there is inevitably play or clearance available between the ends of the actuator sleeve and the holder sleeve of the handpiece, or the stem of a tool received by the handpiece, so as to accommodate the rotational movement of the actuator sleeve. The contaminants are able to pass to the interior of the handpiece by way of the inevitable play or clearance, thereby impairing the functioning of the handpiece i.e. the quality of the holding action exerted on the stem of the tool and the bearing functions of the drive shaft.
It is an object of the invention to provide an improved surgical handpiece in which the risk of entry of contaminants to the interior of the handpiece is in use prevented or at least minimised.
According to the invention there is provided a surgical handpiece for holding and driving a surgical tool, said handpiece comprising: a holder sleeve by which the handpiece can be held; a drive shaft mounted for rotation in said sleeve; a hollow portion provided at one end of said shaft and including a frusto-conical seating; a chuck mounted in said hollow portion for holding the stem of a surgical tool; an external conical portoin provided on said chuck for engagement with said frustoconical seating, said chuck being moveable longitudinally of the drive shaft between a tool-release position and a tool-holder position, the latter being provided by engagement between said external frustoconical portion and said frusto-conical seating; an actuator sleeve mounted on the handpiece for movement relative to said holder sleeve;; means connecting said actuator sleeve to said chuck whereby movement of the actuator sleeve effects longitudinal movement of the chuck between said toolrelease position and said tool-holder position: and seals arranged in the handpiece at each end of the actuator sleeve to seal the entrance to tha exterior of the handpiece against ingress of external contaminants.
The seals prevent external contaminants from entering the interior of the handpiece through the gaps inevitably present at the ends of the actuator sleeve in order to accommodate the movements of the actuator sleeve relative to the holder sleeve. Thus, the clamping and bearing or mounting functions of the drive shaft, the tool-gripper device etc. are not impaired.
According to one embodiment the actuator sleeve is provided approximately in a central zone of the handpiece, and sealing rings are arranged to bear against the external surface of the holder sleeve.
Conveniently, the sealing or packing rings are received in external annular grooves former in the surface of the holder sleeve.
According to a further embodiment, the actuator sleeve extends to the tool-receiving end of the handpiece at which one sealing ring is provided to bear against the external surface of a tool stem, and a further sealing ring is provided at the other end of the actuator sleeve to bear against the external surface of the holder sleeve.
Conveniently, with this arrangement, the sealing ring provided at the tool-side end of the actuator sleeve is received in an inner annular groove formed in the actuator sleeve and the other sealing ring is received in an external annular groove formed in the holder sleeve. In this manner, the actuator sleeve constitutes a single unit with the sealing or packing ring provided at the toolside end and representing, relative to the tool stem, a sliding seal.
It is known from U.S. Patent Specification No. 3,542,372 and Swedish Patent Specification No. 355,653 to arrange a packing between a machine shaft emerging from a housing and carrying a tool and an inner wall of the housing. Apart from the fact that the housing is, in this known case, stationary, what is concerned is not a handpiece, nor even a surgical handpiece. Additionally, there is no tool gripper device, and consequently also no moveable actuator sleeve for effecting longitudinal movement of the grinper device.
The invention will now be described in detail, by way of example onlv, with reference to the accompanying drawings in which: Figure 1 is a longitudinal sectional view of a first embodiment of surgical handpiece according to the invention and taking the form of a dental handpiece; and Figure 2 is a view, similar to Figure 1 of a further embodiment of surgical handpiece.
Referring to Figure 1, the surgical handpiece is a dental handpiece and has a cylindrical holder sleeve 1 by which the handpiece can be held, reference numeral 1 designating in the drawings all those elements which are in their entirety to be considered as belonging to the cylindrical holder sleeve. Mounted in the interior of the sleeve 1 is a drive shaft 2 coaxial to the handpiece sleeve axis A. The bearings provided for this purpose are designed as ball bearings 3. At one of its ends, the drive shaft 2 is designed to be hollow. In the cavity 4 thus formed, the drive shaft 2 has, at the left-hand end in the drawing, an inner frusto-conical seating or cone 5 widening out forwardly, i.e. towards the left-hand side in the drawings.
Arranged in the cavity 4 of the drive shaft 2 is a tool-gripper device or chuck in the form of a sleeve clamping tongs 6 (slotted in a manner which is not shown), serving to hold drivingly the shank or stem 8 of a surgical tool 9. The tool 9 may be, for example, a drill, and is introduced from the exterior through an aperture in the tool-receiving end 7 of the handpiece. The clamping tongs 6 has at is forward end an external frusto conical portion 10, widening out forwardly, i.e. towards the left in the drawings, which cooperates with the inner cone 5 of the drive shaft 2.
With the aid of actuator sleeve 11 mounted to be longitudinally displaceable externally on the holder sleeve 1 and engaging with the clamping tongs, the clamping tongs 6 is longitudinally displaceable in the cavity 4 of the drive shaft 2 for the purpose of adopting a tool-holder position and a tool-release position. For this purpose, the clamping tongs 6 is provided at its rear end with a transverse pin 12 projecting beyond the periphery of the clamping tongs 6 and extending through two slots 13 located diametrically opposite each other and formed in the drive shaft 2. Through the agency of its ends extending through the slots 13 the transverse pin 12 is secured to a slide member 14 longitudinally displaceable on the drive shaft 2 and rotatable together with the drive shaft 2 and the clamping tongs 6. The right-hand (in the drawings) end-face 15 of the slide member 14 bears against an annular collar 16 of a slide sleeve 17 longitudinally displaceable on the drive shaft 2. The slide sleeve 17 is secured, through the agency of a countersunk screw 18, with the actuator sleeve 11. The counter-sunk screw 18 extends through a slot 19 formed in the handpiece sleeve 1.
Arranged between the left-hand (in the drawings) end 20 of the slide member 14 and an annular collar 21 of the drive shaft 2, there is a helical compression spying 22 surrounding the drive shaft 2 and pressing the slide member 14 and, via the transverse Fin 12, the clamping tong 6 towards the right and the latter, therefore, into the clamping position shown. In this clamping (or locking) position, the inner cone 5 of the drive shaft 2 and the outer cone 10 of the clamping tongs 6 are pressed against each other so that the tongs 6 exert a holding action on the stem 8.A further helical compression spring 23 surrounds the drive shaft 2 and bears against a further annular collar 24 of the drive shaft 2, to serve for adjustment of the ball bearing 13 on the left-hand side in the drawings, by retaining this ball bearing in abutment against an inner annular collar 25 of the handpiece sleeve 1.
Due to the play or clearance present, in the clamping position of the clamping tongs, between the right-hand end 15 of the slide member 14 and the annular collar 16 of the slide sleeve 17, there is provided between an etxernal annular collar 26 of the sleeve 1, and an inner annular collar 27 of the actuating sleeve 11, a further helical compression spring 28 surrounding the sleeve 1. This helical compression spring 28 (which constitutes a recall spring for the actuator sleeve 11) retains the actuator sleeve 11 in its position corresponding to the clamping position of the clamping tongs 6, with the countersunk screw 18, in abutment against a stop 29.
In the region of each of its two ends, the actuator sleeve 11 has associated with it respective seal means in the form of sealing rings 30, 31, bearing against the inner walls of the actuator sleeve and sealing-off entry for external contaminants to the interior of the sleeve 11 and the sleeve 1.
In the case of the embodiment according to Figure 1, wherein the actuator sleeve 11 is arranged approximately in the centre of the handpiece, i.e. terminating in spaced relationship to the tool-side end 7 (the lefthand end in the drawings), both sealing rings 30, 31 bear against the outer surface of the sleeve 1. The sealing rings 30, 31 are inserted into external annular grooves 32, 33 formed in the sleeve 1. Also the actuator sleeve 11 is formed with annular groove-like recesses 34, 35 for receiving the rings 30, 31.
Referring now to the embodiment according to Figure 2, corresponding parts are designated with the same reference numerals. The actuator sleeve 11 extends as far as the tool-receiving end 7 of the handpiece. At this end 7, the actuator sleeve 11 projects somewhat towards the left relative to the end of the sleeve 1. The packing ring 30 provided at this end of the handpiece sleeve 11 bears, as sliding packing, against the tool shank or stem 8, whereas the packing ring 31 provided at the other end of the actuator sleeve 11 bears (as in the case of the embodiment according to Figure 1) against the outer surface of the sleeve 1.
The sealing ring 30 provided at the end 7 of the actuator sleeve 11 is inserted into an inner annular groove 36 formed in the actuator sleeve 11, whereas the sealing ring 31 provided at the other end is inserted into an outer annular groove 33 formed in the sleeve 1. The recess formed, for receiving the packing ring 31, at that end of the actuator sleeve 11 which is on the right in Figure 2 (as in the case of Figure 1) is designated 35. The sealing ring 30 provided at the tool-receiving end 7 is designed as a fiat disc.
Referring again to the embodiment according to Figure 1, there are also arranged between the front end of the sleeve 1 and the tool shank 8 two sealing rings 38, 39 disposed in spaced relationship to afford an annular duct 37 and each designed as a fiat disc. Into the annular duct 37 debouches a tube nipple 40 to which there may be connected a feed line (not shown) for coolant, such as for example cooling air, cooling water, or a spray formed by a cooling air/water mixture. The tool shank 8 is formed in the zone of the annular duct 37 with a radial bore from which branchesoff forwardly the axial bore 42 extending to the tool 9 and provided for conveying the coolant.
In the illustrated embodiments, the actuator sleeve 11 is movably mounted on the handpiece in that it is longitudinally displaceable relative to the holder sleeve 1. However, the actuator sleeve 11 may also be mounted to be rotatable on the holder sleeve 1 and, to this end, the means for connecting the (rotatable) actuator sleeve to the clamping tongs may be designed in accordance with the disclosure in German Auslegeschrift No. 2,234,321.
However, in this case also the arrangement of the sealing rings (30,31) is designed to correspond to what has been stated hereinabove.
WHAT WE CLAIM IS:- 1. A surgical handpiece for holding and driving a surgical tool, said handpiece comprising: a holder sleeve by which the handpiece can be held; a drive shaft mounted for rotation in said sleeve:
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (11)

**WARNING** start of CLMS field may overlap end of DESC **. countersunk screw 18, with the actuator sleeve 11. The counter-sunk screw 18 extends through a slot 19 formed in the handpiece sleeve 1. Arranged between the left-hand (in the drawings) end 20 of the slide member 14 and an annular collar 21 of the drive shaft 2, there is a helical compression spying 22 surrounding the drive shaft 2 and pressing the slide member 14 and, via the transverse Fin 12, the clamping tong 6 towards the right and the latter, therefore, into the clamping position shown. In this clamping (or locking) position, the inner cone 5 of the drive shaft 2 and the outer cone 10 of the clamping tongs 6 are pressed against each other so that the tongs 6 exert a holding action on the stem 8.A further helical compression spring 23 surrounds the drive shaft 2 and bears against a further annular collar 24 of the drive shaft 2, to serve for adjustment of the ball bearing 13 on the left-hand side in the drawings, by retaining this ball bearing in abutment against an inner annular collar 25 of the handpiece sleeve 1. Due to the play or clearance present, in the clamping position of the clamping tongs, between the right-hand end 15 of the slide member 14 and the annular collar 16 of the slide sleeve 17, there is provided between an etxernal annular collar 26 of the sleeve 1, and an inner annular collar 27 of the actuating sleeve 11, a further helical compression spring 28 surrounding the sleeve 1. This helical compression spring 28 (which constitutes a recall spring for the actuator sleeve 11) retains the actuator sleeve 11 in its position corresponding to the clamping position of the clamping tongs 6, with the countersunk screw 18, in abutment against a stop 29. In the region of each of its two ends, the actuator sleeve 11 has associated with it respective seal means in the form of sealing rings 30, 31, bearing against the inner walls of the actuator sleeve and sealing-off entry for external contaminants to the interior of the sleeve 11 and the sleeve 1. In the case of the embodiment according to Figure 1, wherein the actuator sleeve 11 is arranged approximately in the centre of the handpiece, i.e. terminating in spaced relationship to the tool-side end 7 (the lefthand end in the drawings), both sealing rings 30, 31 bear against the outer surface of the sleeve 1. The sealing rings 30, 31 are inserted into external annular grooves 32, 33 formed in the sleeve 1. Also the actuator sleeve 11 is formed with annular groove-like recesses 34, 35 for receiving the rings 30, 31. Referring now to the embodiment according to Figure 2, corresponding parts are designated with the same reference numerals. The actuator sleeve 11 extends as far as the tool-receiving end 7 of the handpiece. At this end 7, the actuator sleeve 11 projects somewhat towards the left relative to the end of the sleeve 1. The packing ring 30 provided at this end of the handpiece sleeve 11 bears, as sliding packing, against the tool shank or stem 8, whereas the packing ring 31 provided at the other end of the actuator sleeve 11 bears (as in the case of the embodiment according to Figure 1) against the outer surface of the sleeve 1. The sealing ring 30 provided at the end 7 of the actuator sleeve 11 is inserted into an inner annular groove 36 formed in the actuator sleeve 11, whereas the sealing ring 31 provided at the other end is inserted into an outer annular groove 33 formed in the sleeve 1. The recess formed, for receiving the packing ring 31, at that end of the actuator sleeve 11 which is on the right in Figure 2 (as in the case of Figure 1) is designated 35. The sealing ring 30 provided at the tool-receiving end 7 is designed as a fiat disc. Referring again to the embodiment according to Figure 1, there are also arranged between the front end of the sleeve 1 and the tool shank 8 two sealing rings 38, 39 disposed in spaced relationship to afford an annular duct 37 and each designed as a fiat disc. Into the annular duct 37 debouches a tube nipple 40 to which there may be connected a feed line (not shown) for coolant, such as for example cooling air, cooling water, or a spray formed by a cooling air/water mixture. The tool shank 8 is formed in the zone of the annular duct 37 with a radial bore from which branchesoff forwardly the axial bore 42 extending to the tool 9 and provided for conveying the coolant. In the illustrated embodiments, the actuator sleeve 11 is movably mounted on the handpiece in that it is longitudinally displaceable relative to the holder sleeve 1. However, the actuator sleeve 11 may also be mounted to be rotatable on the holder sleeve 1 and, to this end, the means for connecting the (rotatable) actuator sleeve to the clamping tongs may be designed in accordance with the disclosure in German Auslegeschrift No. 2,234,321. However, in this case also the arrangement of the sealing rings (30,31) is designed to correspond to what has been stated hereinabove. WHAT WE CLAIM IS:-
1. A surgical handpiece for holding and driving a surgical tool, said handpiece comprising: a holder sleeve by which the handpiece can be held; a drive shaft mounted for rotation in said sleeve:
a hollow portion provided at one end of said shaft and including a frusto-conical seating; a chuck mounted in said hollow portion for holding the stem of surgical tool; an external frusto-conical portion provided on said chuck for engagement with said frusto-conical seating, said chuck being movable longitudinally of the drive shaft between a tool-release position and a toolholder position, the latter being provided by engagement between said external frustoconical portion and said frusto-conical seating; an actuator sleeve mounted on the handpiece for movement relative to said holder sleeve; means connecting said actuator sleeve to said chuck whereby movement of the actuator sleeve effects longitudinal movement of the chuck between said tool-release position and said tool-holder position;; and seals arranged in the handpiece at each end of the actuator sleeve to seal the entrance to the interior of the handpiece against ingress of external contaminants.
2. A handpiece according to claim 1, in which each seal engages sealingly with a respective portion of the external surface of said holder sleeve.
3. A handpiece according to claim 2, in which each seal comprises a respective sealing ring, external grooves being formed in said holder sleeve and each receiving a respective one of said sealing rings.
4. A handpiece according to claim 2, in which the actuator sleeve is arranged intermediate first and second portions of the holder sleeve spaced-apart along the axis of said drive shaft.
5. A handpiece according to claim 1, in which each seal comprises a respective sealing ring, one of said sealing rings engaging in use with the external surface of said tool stem and the other of said sealing rings engaging with a portion of the external surface of said holder sleeve.
6. A handpiece according to claim 5, in which the actuator sleeve extends to the tool-receiving end of the handpiece.
7. A handpiece according to claim 6, including an inner annular groove in said actuator sleeve receiving said one sealing ring and an outer annular groove in said holder sleeve receiving said other sealing ring.
8. A handpiece according to claim 5, in which said one sealing ring is disc-shaped.
9. A handpiece according to claim 1 and taking the form of a dental handpiece.
10. A handpiece according to any one of the preceding claims, in which the actuator sleeve is movable linearly in a direction longitudinally of the handpiece in order to move the gripper device between said tool-release and tool-holder positions.
11. A handpiece according to claim 1 and substantially as hereinbefore described with reference to, and as shown in Figure 1 or Figure 2 of the accompanying drawings.
GB477177A 1976-02-24 1977-02-04 Surgical handpiece for holding and driving a surgical tool Expired GB1569843A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19767605498 DE7605498U1 (en) 1976-02-24 1976-02-24 Medical, in particular dental, handpiece

Publications (1)

Publication Number Publication Date
GB1569843A true GB1569843A (en) 1980-06-25

Family

ID=6662415

Family Applications (1)

Application Number Title Priority Date Filing Date
GB477177A Expired GB1569843A (en) 1976-02-24 1977-02-04 Surgical handpiece for holding and driving a surgical tool

Country Status (4)

Country Link
CH (1) CH610755A5 (en)
DE (1) DE7605498U1 (en)
FR (1) FR2342052A1 (en)
GB (1) GB1569843A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7789602B2 (en) 2005-04-07 2010-09-07 Kaltenbach & Voigt Gmbh Motor element, in particular dental medical handpiece having a disconnectable coupling for a tool-holder

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT348100B (en) * 1976-07-28 1979-01-25 Kaltenbach & Voigt MEDICAL, IN PARTICULAR DENTAL HANDPIECE
FR2651672B1 (en) * 1989-09-08 1997-01-24 Micro Mega Sa TIGHTENING DEVICE COMPRISING AT LEAST ONE REMOTE CONTROLLED CLAMP FOR DENTISTRY INSTRUMENT.
DE10130897C1 (en) * 2001-06-27 2003-01-09 Bahner Feinwerktechnik Gmbh Handpiece for a medical or cosmetic device comprises a clamping sleeve having a dirt-collecting chamber in a clamping sleeve section on the end of a collet chuck facing away from a tool insertion opening
DE10130898C2 (en) * 2001-06-27 2003-10-09 Bahner Feinwerktechnik Gmbh Handpiece for a medical or cosmetic processing device
EP1852085A1 (en) * 2006-05-03 2007-11-07 Bien-Air Holding SA Dental or chirurgical handpiece
DE102012005178B4 (en) 2012-03-16 2022-02-24 Hellmut Ruck Gmbh Medical or cosmetic processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7789602B2 (en) 2005-04-07 2010-09-07 Kaltenbach & Voigt Gmbh Motor element, in particular dental medical handpiece having a disconnectable coupling for a tool-holder

Also Published As

Publication number Publication date
CH610755A5 (en) 1979-05-15
DE7605498U1 (en) 1976-06-16
FR2342052B3 (en) 1979-09-28
FR2342052A1 (en) 1977-09-23

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