CN204394613U - Drill bit depth limiting device for surgery - Google Patents
Drill bit depth limiting device for surgery Download PDFInfo
- Publication number
- CN204394613U CN204394613U CN201520009600.4U CN201520009600U CN204394613U CN 204394613 U CN204394613 U CN 204394613U CN 201520009600 U CN201520009600 U CN 201520009600U CN 204394613 U CN204394613 U CN 204394613U
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- draw
- groove
- depth stop
- connecting seat
- 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 - Fee Related
Links
- 238000001356 surgical procedure Methods 0.000 title abstract description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 22
- 210000004204 blood vessel Anatomy 0.000 abstract description 4
- 210000004556 brain Anatomy 0.000 abstract 1
- 210000005036 nerve Anatomy 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 6
- 210000004872 soft tissue Anatomy 0.000 description 4
- 230000001537 neural effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 241000218236 Cannabis Species 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010061213 Iatrogenic injury Diseases 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a dark device of drill bit limit for surgery, including outer sleeve and the inner skleeve of suit in the outer sleeve, be provided with first breach groove on the lateral wall of outer sleeve, the lateral wall of outer sleeve is provided with a plurality of draw-in grooves in first breach groove department, these a plurality of draw-in grooves divide two into and are listed as the setting, the draw-in groove that first draw-in groove and second were listed as separates and all follow the vertical setting of outer sleeve through first breach groove, be provided with on the lateral wall of inner skleeve with draw-in groove complex card platform, the removal passageway of card platform is regarded as in first breach groove, card platform rotates after stretching into the outer sleeve from first breach groove and gets into in the draw-in groove to make inner skleeve fixed connection on the outer sleeve, still be provided with the handle connecting seat on. The depth limiting device can rotate without a drill bit, can freely adjust and quantify the depth limiting length from zero without being limited by the length of the drill bit, and can effectively protect important tissues such as nerves, blood vessels, brains and the like below the depth limiting device.
Description
Technical field
This utility model belongs to depth stop device field, more specifically, relates to a kind of surgical drill depth stop device.
Background technology
Surgical operation usually will relate to steel plate screw Internal fixation technology and neurosurgery opens cranium etc.Current surgeon usually needs with feel and experience, and what be applied to the dynamics control electric drill of electric drill by doctor pierces the degree of depth.And conventional electric drill itself is without limiting the deeper function pierced.The doctor lacked experience usually can not control the dynamics of electric drill well, cause piercing dark, the important dissection of damage drill bit far-end, as the cerebral tissue of important neural blood vessel or intracranial, produce neural, blood vessel injury, cause the even life-threatening adverse consequences of massive hemorrhage, brain tissue impairment, therefore, drill bit depth stop can effectively help doctor to quantize to pierce the degree of depth, reduces iatrogenic injury.
Patent CN103565492A discloses a kind of drill limiter and is equipped with the drill bit of this stop, this stop includes the first sleeve and the second cover is logical, above-mentioned sleeve all has eccentric through-hole, wherein relative to each other rotated by the first sleeve and the second sleeve, inner space is reduced, is clamped on the drilling rod of drill bit.The shortcoming that this depth stop exists: 1) this depth stop relies on and holds with the frictional force of drill bit, this depth stop can only be stuck in the straight bar section part of drill bit, and can not the fluted drill section being held in electric drill, the length of depth stop is necessarily greater than the length of fluted drill section, and the length of most depth stop, the safe length as skull hone lamella is only about 1/5 of conventional fluted drill section; 2). because depth stop and drill bit are fixing, depth stop can along with drill bit together high-speed rotation, due to this kind of depth stop along with proceeding to of drill bit can be pushed up surface of bone and just can be played depth stop effect, so tearing and dampening will inevitably appear in the soft tissue that below depth stop, bone surface covers, depth stop rotates simultaneously, the soft tissue below depth stop can be damaged, as scalp, periosteum etc.
Patent CN203138613U discloses a kind of orthopaedics depth controller for drill bit, and this controller comprises chassis, and feature is that chassis is provided with multiple sleeve, and be provided with actuator between sleeve, cannula tip has pallet, is provided with through hole in the middle of described chassis and sleeve pipe.The shortcoming of this depth stop is clearly: 1). and the existence on chassis limits and bone surface, the particularly laminating of some deep bone surface, even this patent for skull, can not effectively fit, doctor is needed to withstand scalp and below bone surface by external force, external force transmission meeting indirect injury cervical vertebra; 2). still have employed actuator between sleeve pipe and be fixed, actuator needs special fixture.
Patent CN203089279U discloses a kind of depth controller for drill bit, and the feature of this depth controller for drill bit is made up of internal ring and activeness outer shroud, and internal ring upper end is higher than activeness outer shroud, and internal ring is provided with set bolt higher than the upper end of movable outer shroud.The shortcoming of this depth stop is more obvious: 1). and be fixed by bolt, if fixed position is in fluted drill section, be screwed into the screw thread that can damage the Flos Cannabis section of turning along with bolt; 2). outer shroud is as the prolongation of internal ring, and the distance between itself and internal ring is fixing, can not carry out the adjustment of inner and outer ring; 3). depth stop still can along with the running of drill bit high-speed rotation.
Utility model content
For above defect or the Improvement requirement of prior art; this utility model provides a kind of surgical drill depth stop device; this depth stop device can not with drill bit rotational; free adjustment of starting from scratch also quantizes depth stop length; and do not limit by the length of drill bit, can effectively regulate depth stop length thus protect the bone surface below depth stop device.
For achieving the above object, according to an aspect of the present utility model, provide a kind of surgical drill depth stop device, comprise outer sleeve and be sleeved on the inner sleeve in outer sleeve, the sidewall of outer sleeve is provided with the first gap slot, the sidewall of outer sleeve is provided with multiple draw-in groove at the first gap slot place, the plurality of draw-in groove is arranged in two separate ranks, the draw-in groove of first row and the draw-in groove of secondary series are separated by the first gap slot and all arrange along the longitudinal direction of outer sleeve, the sidewall of inner sleeve is provided with the chuck coordinated with draw-in groove, first gap slot is as the movable passageway of chuck, rotating after chuck stretches into outer sleeve from the first gap slot enters in draw-in groove, thus make inner sleeve be fixedly connected on outer sleeve, described outer sleeve is also provided with handle connecting seat, handle connecting seat removably connects jug.
Preferably, described handle connecting seat and outer sleeve one-body molded, described handle connecting seat is provided with conical through-hole, described handle comprises hand grip portion and connecting portion, described connecting portion is tapered, the tapering of connecting portion is consistent with the tapering of the conical through-hole on handle connecting seat, connecting portion is provided with positive stop lug boss, handle connecting seat is provided with the second gap slot as positive stop lug boss movable passageway, positive stop lug boss is resisted against on handle connecting seat from the second gap slot through rotating after handle connecting seat, thus is fixedly connected on handle connecting seat by handle.
Preferably, the axis of described conical through-hole and the axis being parallel of outer sleeve.
Preferably, the draw-in groove of first row and the draw-in groove of secondary series stagger mutually.
Preferably, the outside of outer sleeve is provided with scale on each draw-in groove side.
Preferably, described inner sleeve comprises cylindrical shell and is arranged on the cylinder cap on cylindrical shell, and the external diameter of described cylinder cap is greater than the internal diameter of outer sleeve, and cylinder cap can be resisted against on the drill bit holder of electric drill.
Preferably, described chuck is cylindricality, and described draw-in groove is major arc shape, the diameter of chuck and the equal diameters of draw-in groove.
Preferably, one end that described outer sleeve is used for contacting with bone surface is set to zigzag.
In general, the above technical scheme conceived by this utility model compared with prior art, can obtain following beneficial effect:
1) electric drill is when surgical drill, and this depth stop device can not rotate along with the rotation of drill bit, thus can protect the soft tissue below depth stop device;
2) this depth stop device in use, do not need to use screw to fix the fluted drill section of drill bit, thus protect fluted drill section;
3) this depth stop device is provided with draw-in groove along the axis of outer sleeve, and inner sleeve is connected to draw-in groove place by chuck, therefore the total length of this depth stop device is adjustable, and free adjustment of can starting from scratch drill bit stretches out the length of inner sleeve, and not by the restriction of the fluted drill segment length of drill bit;
4) this depth stop device accurately reads by the scale that draw-in groove on trocar sheath is other the total length that inner sleeve to install on outer sleeve the latter two.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electric drill;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is structural representation when working after electric drill passes inner sleeve;
Fig. 4 is sectional view of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.In addition, if below in described each embodiment of this utility model involved technical characteristic do not form conflict each other and just can mutually combine.
With reference to Fig. 1 ~ Fig. 4, a kind of surgical drill depth stop device, comprise outer sleeve 1 and be sleeved on the inner sleeve 2 that the drill bit 41 of electric drill 4 can be allowed to pass in outer sleeve 1, preferably, described inner sleeve 2 comprises cylindrical shell 20 and is arranged on the cylinder cap 22 on cylindrical shell 20, and the external diameter of described cylinder cap 22 is greater than the internal diameter of outer sleeve 1, cylinder cap 22 can be resisted against on the drill bit holder 42 of electric drill 4, to limit the position of inner sleeve 2, and outer sleeve 1 can be resisted against bone surface, and bone surface can limit the position of outer sleeve 1.The sidewall of outer sleeve 1 is provided with the first gap slot 11, the sidewall of outer sleeve 1 is provided with multiple draw-in groove 12 at the first gap slot 11 place, the plurality of draw-in groove 12 is arranged in two separate ranks, preferably, the outside of outer sleeve 1 is provided with scale on each draw-in groove 12 side, the draw-in groove 12 of first row staggers mutually with the draw-in groove 12 of secondary series, can arrange more scale like this relative to the symmetrical situation of draw-in groove 12.The draw-in groove 12 of first row and the draw-in groove 12 of secondary series are separated by the first gap slot 11 and all arrange along the longitudinal direction of outer sleeve 1, the sidewall of inner sleeve 2 is provided with the chuck 21 coordinated with draw-in groove 12, first gap slot 11 is as the movable passageway of chuck 21, after chuck 21 stretches into outer sleeve 1 from the first gap slot 11, rotation enters in draw-in groove 12, thus make inner sleeve 2 be fixedly connected on outer sleeve 1, then drill bit 41 pierces bone surface after just can passing in depth stop device.This utility model selects two row draw-in grooves 12, can better select depth stop length like this.
Described outer sleeve 1 is also provided with handle connecting seat 13, and handle connecting seat 13 removably connects jug 3.Preferably, described handle connecting seat 13 is one-body molded with outer sleeve 1, described handle connecting seat 13 is provided with conical through-hole 131, the axis of described conical through-hole 131 and the axis being parallel of outer sleeve 1, is convenient to doctor like this and holds handle 3 better and perform the operation.Described handle 3 comprises hand grip portion 31 and connecting portion 32, and described connecting portion 32 is tapered, and the tapering of connecting portion 32 is consistent with the tapering of the conical through-hole 131 on handle connecting seat 13, so that stretched in conical through-hole 131 by connecting portion 32.Connecting portion 32 is provided with positive stop lug boss 33, handle connecting seat 13 is provided with the second gap slot 132 as positive stop lug boss 33 movable passageway, positive stop lug boss 33 is resisted against on handle connecting seat 13 from the second gap slot 132 through rotating after handle connecting seat 13, thus handle 3 is fixedly connected on handle connecting seat 13, such handle 3 is not easy to rock, and be just connected to easily on handle connecting seat 13, contribute to like this increasing the holding to depth stop device.
Select as one, described chuck 21 shape can be cylindricality, and draw-in groove 12 can be arranged to major arc shape, the diameter of chuck 21 and the equal diameters of draw-in groove 12.Because draw-in groove 12 is in major arc shape, after chuck 21 snaps in draw-in groove 12, be not easy to drop out from draw-in groove 12.Certainly, as other selection, draw-in groove 12 also can be square.This utility model adopts the chuck 21 of inner sleeve to move in the draw-in groove 12 of trocar sheath 1, can overall length that is very convenient and change depth stop device accurately.
Trocar sheath 1 main body of the present utility model is tubular, and hollow space can insert inner sleeve 2, and trocar sheath 1 outer wall has scale to show, and scale is for pointing out the total length of depth stop device; Outer sleeve 1 is set to zigzag for the one end contacted with bone surface, adds frictional force, strengthen hold between depth stop device and bone surface, and the handle 3 that trocar sheath 1 connects can increase the holding of operating doctor to depth stop device.Chuck 21 can according to degree of depth selection card in arbitrary draw-in groove 12 of trocar sheath 1; when carrying out surgery drilling into bone; by regulating the relative position of inner sleeve 2 and trocar sheath 1; as the depth interval between drill bit 41 and bone surface; the length that drill bit 41 exposes depth stop device can be limited; thus restriction drill bit 41 pierces the degree of depth of human body, protects the important dissection below drill bit 41, as neural blood vessel etc.
Carry out electric drill 4 when punching, this utility model can not rotate along with the rotation of electric drill 4, thus protects the soft tissue below depth stop device; In addition, do not need to use screw to be fixed on fluted drill section 411 yet, thus protect brill section screw thread; And free adjustment drill bit 41 of can starting from scratch exposes the length of depth stop device, and do not limit by the length of the fluted drill section 411 of drill bit 41, and accurately read by the scale on trocar sheath 1 total length that inner sleeve 2 is arranged on depth stop device behind a certain draw-in groove 12 place on trocar sheath 1.
Before boring, the depth design drillable length of holing as required, the length of length and the depth stop device needing to pierce human body is deducted with the total length of drill bit 41, sleeve pipe finds corresponding scale, and to be moved at the first gap slot 11 place by the chuck 21 of inner sleeve and select in the draw-in groove 12 of corresponding scale, the chuck 21 of inner sleeve is stuck in relevant position, such inner sleeve 2 and trocar sheath 1 have been linked to be one totally, bone holding is carried out by the sawtooth of trocar sheath 1 lower end, outer sleeve 1 not easily slides at bone surface, handle 3 outer sleeve for connecting 1, drill bit 41 can start boring through depth stop device.
This depth stop device carries out depth stop by being blocked between drill bit holder 42 and bone surface, after drill bit 41 is arranged on drill bit holder 42, its length exposing depth stop device is the length needing to pierce human body, so the length of depth stop is very free, the any position of the fluted drill section 411 of drill bit 41 can limit, because the position of inner sleeve 2 is fixing relative to drill bit 41, thus do not damage the screw thread of fluted drill section 411, do not damage the bone surface below depth stop device yet.
This depth stop device in use, the degree of depth of human body will be pierced according to drill bit 41, chuck 21 is stuck in draw-in groove 12 place suitable on outer sleeve 1, again drill bit 41 is installed on the drill bit holder 42 of electric drill 4, then drill bit 41 is passed inner sleeve 2 and outer sleeve 1, the cylinder cap 22 of inner sleeve 2 is made to prop up drill bit holder 42, inner sleeve 2 is exposed in one end of drill bit 41, the part that drill bit 41 exposes depth stop device is the part that drill bit 41 will pierce bone surface, and the length of this exposed portion can be regulated by the total length of depth stop device; Due to the total length L exposing drill bit holder 42 of drill bit 41
1be known, and inner sleeve 2 is installed on outer sleeve 1 with the total length L of the latter two
2also be can be read by the scale on draw-in groove 12 side, L
1deduct L
2be the length L that drill bit 41 exposes inner sleeve 2
3; Due to L
2length be adjustable, therefore L
3length be also adjustable, namely to enter the length of bone surface also adjustable for drill bit 41.Doctor, can a handle 3 holding depth stop device when performing the operation, and another holds the handle of electric drill 4 and passed from inner sleeve 2 by drill bit 41, drill bit 41 can be pierced bone surface.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a surgical drill depth stop device, it is characterized in that: comprise outer sleeve (1) and be sleeved on the inner sleeve (2) in outer sleeve (1), the sidewall of outer sleeve (1) is provided with the first gap slot (11), the sidewall of outer sleeve (1) is provided with multiple draw-in groove (12) at the first gap slot (11) place, the plurality of draw-in groove (12) is arranged in two separate ranks, the draw-in groove (12) of first row and the draw-in groove (12) of secondary series are separated by the first gap slot (11) and all arrange along the longitudinal direction of outer sleeve (1), the sidewall of inner sleeve (2) is provided with the chuck (21) coordinated with draw-in groove (12), first gap slot (11) is as the movable passageway of chuck (21), chuck (21) stretches into outer sleeve (1) from the first gap slot (11) and rotates afterwards and enter in draw-in groove (12), thus make inner sleeve (2) be fixedly connected on outer sleeve (1), described outer sleeve (1) is also provided with handle connecting seat (13), handle connecting seat (13) removably connects jug (3).
2. a kind of surgical drill depth stop device according to claim 1, it is characterized in that: described handle connecting seat (13) is one-body molded with outer sleeve (1), described handle connecting seat (13) is provided with conical through-hole (131), described handle (3) comprises hand grip portion (31) and connecting portion (32), described connecting portion (32) is tapered, the tapering of connecting portion (32) is consistent with the tapering of the conical through-hole (131) on handle connecting seat (13), connecting portion (32) is provided with positive stop lug boss (33), handle connecting seat (13) is provided with the second gap slot (132) as positive stop lug boss (33) movable passageway, positive stop lug boss (33) rotates from the second gap slot (132) be afterwards resisted against on handle connecting seat (13) through handle connecting seat (13), thus handle (3) is fixedly connected on handle connecting seat (13).
3. a kind of surgical drill depth stop device according to claim 2, is characterized in that: the axis of described conical through-hole (131) and the axis being parallel of outer sleeve (1).
4. a kind of surgical drill depth stop device according to claim 1, is characterized in that: the draw-in groove (12) of first row and the draw-in groove (12) of secondary series stagger mutually.
5. a kind of surgical drill depth stop device according to claim 1, is characterized in that: the outside of outer sleeve (1) is provided with scale on each draw-in groove (12) side.
6. a kind of surgical drill depth stop device according to claim 1, it is characterized in that: described inner sleeve (2) comprises cylindrical shell (20) and is arranged on the cylinder cap (22) on cylindrical shell (20), the external diameter of described cylinder cap (22) is greater than the internal diameter of outer sleeve (1), and cylinder cap (22) can be resisted against on the drill bit holder (42) of electric drill (4).
7. a kind of surgical drill depth stop device according to claim 1, it is characterized in that: described chuck (21) is cylindricality, described draw-in groove (12) in major arc shape, the diameter of chuck (21) and the equal diameters of draw-in groove (12).
8. a kind of surgical drill depth stop device according to claim 1, is characterized in that: described outer sleeve (1) is set to zigzag for the one end contacted with bone surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009600.4U CN204394613U (en) | 2015-01-07 | 2015-01-07 | Drill bit depth limiting device for surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009600.4U CN204394613U (en) | 2015-01-07 | 2015-01-07 | Drill bit depth limiting device for surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204394613U true CN204394613U (en) | 2015-06-17 |
Family
ID=53418524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520009600.4U Expired - Fee Related CN204394613U (en) | 2015-01-07 | 2015-01-07 | Drill bit depth limiting device for surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204394613U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107847234A (en) * | 2015-07-21 | 2018-03-27 | 史密夫和内修有限公司 | Orthopaedic instrumentation |
| US10695074B2 (en) | 2015-09-03 | 2020-06-30 | Stryker Corporation | Powered surgical drill with integral depth gauge that includes a probe that slides over the drill bit |
| USD893027S1 (en) | 2018-12-21 | 2020-08-11 | Stryker Corporation | Measurement head for surgical tool |
| US11317927B2 (en) | 2017-08-17 | 2022-05-03 | Stryker Corporation | Measurement module for measuring depth of bore holes and related accessories |
| USD954950S1 (en) | 2020-11-18 | 2022-06-14 | Stryker Corporation | Measurement head for a surgical tool |
| US11896239B2 (en) | 2017-08-17 | 2024-02-13 | Stryker Corporation | Surgical handpiece system for depth measurement and related accessories |
| USD1030054S1 (en) | 2022-03-18 | 2024-06-04 | Stryker Corporation | Surgical handpiece |
-
2015
- 2015-01-07 CN CN201520009600.4U patent/CN204394613U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107847234A (en) * | 2015-07-21 | 2018-03-27 | 史密夫和内修有限公司 | Orthopaedic instrumentation |
| US10695074B2 (en) | 2015-09-03 | 2020-06-30 | Stryker Corporation | Powered surgical drill with integral depth gauge that includes a probe that slides over the drill bit |
| US11812977B2 (en) | 2015-09-03 | 2023-11-14 | Stryker Corporation | Method and system for determining breakthrough depth of a bore formed in bone |
| US11317927B2 (en) | 2017-08-17 | 2022-05-03 | Stryker Corporation | Measurement module for measuring depth of bore holes and related accessories |
| US11896239B2 (en) | 2017-08-17 | 2024-02-13 | Stryker Corporation | Surgical handpiece system for depth measurement and related accessories |
| USD893027S1 (en) | 2018-12-21 | 2020-08-11 | Stryker Corporation | Measurement head for surgical tool |
| USD955574S1 (en) | 2018-12-21 | 2022-06-21 | Stryker Corporation | Measurement head for surgical tool |
| USD954950S1 (en) | 2020-11-18 | 2022-06-14 | Stryker Corporation | Measurement head for a surgical tool |
| USD1030054S1 (en) | 2022-03-18 | 2024-06-04 | Stryker Corporation | Surgical handpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20180107 |