# US 2019/0167446 A1 · Disposable surgical tool

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- Number: US 2019/0167446 A1
- Document ID: US20190167446A1
- Status: Published application
- Kind: A1
- Application number: 16/204,001
- Filed: 2018-11-29
- Published: 2019-06-06
- Earliest claimed: 2017-12-01
- Assignees: Zimmer, Inc.
- Applicants: Zimmer, Inc.
- Inventors: Steven Conrad; Greg Mangan
- Web page: https://patentgrep.com/patent/US20190167446A1

## CPC

- A61B 17/1746: {for the acetabulum}
- A61B 17/1742: {for the hip}
- A61B 17/8872: {Instruments for putting said fixation devices against or away from the bone (A61B17/7074, A61B17/808 take precedence)}
- A61B 17/8894: {holding the implant into or through which the screw is to be inserted (A61B17/7082, A61B17/7091 take precedence)}
- A61F 2/4609: {of acetabular cups}
- A61F 2/4657: {Measuring instruments used for implanting artificial joints (for surgical instruments A61B90/06)}
- A61B 17/86: Pins or screws {or threaded wires; nuts therefor (A61B17/72 take precedence)}
- A61B 17/90: Guides therefor
- A61B 2090/062: {penetration depth}
- A61F 2/34: Acetabular cups
- A61F 2002/4658: {for measuring dimensions, e.g. length}
- A61F 2002/4662: {for measuring penetration depth}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

A tool body having a first clamp element positioned on a first tool arm and a drill guide positioned on a second tool arm. The surgical tool can also have a slider element slidable on the tool body, the slider element having a depth probe and a second clamp element. The second clamp element can be engaged with the first clamp element such that the first and second elements cooperate to define a clamp opening for receiving a supplemental screw.

## Claims

### Claim 1

A surgical tool, comprising:
a tool body having a first clamp element;
a slider element having a second clamp element engageable with the first clamp element such that the first and second elements cooperate to define a clamp opening for receiving a fastener;
wherein the slider element is slidable on the tool body to move the slider element between an engaged position at which the second clamp element is engaged to the first clamp element and a disengaged position at which the second clamp element is disengaged from the first clamp element.

### Claim 2 (depends on 1)

The surgical tool of claim 1, wherein the tool body further comprises:
a first tool arm on which the first clamp element is positioned.

### Claim 3 (depends on 2)

The surgical tool of claim 2, wherein the slider element further comprises:
a slider arm on which the second clamp element is positioned;
wherein the slider arm positions the second clamp element in engagement with the first clamp element when the slider element is slid into the engaged position.

### Claim 4 (depends on 3)

The surgical tool of claim 3, wherein the tool body further comprises:
a planar portion;
wherein the slider element is slidable along the planar portion.

### Claim 5 (depends on 4)

The surgical tool of claim 4, wherein the slider element further comprises:
a clamp guide positioned on the slider arm and defining a guide opening oriented to align with the clamp opening when the second clamp element is engaged to the first clamp element.

### Claim 6 (depends on 5)

The surgical tool of claim 5, wherein the first tool arm further comprises:
a locking feature engageable to a corresponding feature on the slider arm to engage the first tool arm to the slider arm.

### Claim 7 (depends on 1)

The surgical tool claim 1, wherein the tool body further comprises:
a drill guide defining a guide opening for receiving a drill bit.

### Claim 8 (depends on 7)

The surgical tool of claim 7, wherein the tool body further comprises:
a second tool arm on which the drill guide is positioned.

### Claim 9 (depends on 8)

The surgical tool of claim 8, wherein the tool body further comprises:
a planar portion;
wherein the slider element is slidable along the planar portion.
wherein the planar portion defines a plane;
wherein the second tool arm is bent such that the drill bit is received along a drill axis transverse to the plane of the planar portion.

### Claim 10 (depends on 9)

The surgical tool of claim 9, wherein the second tool arm is bendable relative to the plane of the planar portion.

### Claim 11 (depends on 10)

The surgical tool of claim 10, further comprising:
a deflection slider having a deflection element;
wherein the deflection slider is slidable on a second track defined by the tool body to move the deflection element between an engaged position where the deflection element contacts the second tool arm to bend the second tool arm relative to the plane of the planar portion and a disengaged position where the deflection element is separated from the second tool arm.

### Claim 12 (depends on 1)

The surgical tool of claim 1, wherein the tool body further comprises:
a planar portion, wherein the slider element is slidable along the planar portion; and
the slider element includes a depth probe,
wherein the slider element is slidable on the tool body to move the slider element between a deployed position at which the depth probe protrudes from the planar portion and a retracted position at which the depth probe overlaps with the tool body.

### Claim 13 (depends on 12)

The surgical tool of claim 12, wherein the tool body comprises a visual depth indicator;
wherein the slider element is slidable on the tool body to align the slider element with the visual depth indicator, wherein a predetermined length of the depth probe extends beyond the tool body when the slider element is aligned with the visual depth indicator.

### Claim 14

A surgical tool, comprising;
a tool body having a first clamp element positioned on a first tool arm and a drill guide positioned on a second tool arm;
a slider element having a depth probe and a second clamp element engageable with the first clamp element such that the first and second elements cooperate to define a clamp opening for receiving a fastener;
wherein the slider element is slidable on the tool body to move the slider element between an engaged position at which the second clamp element is engaged to the first clamp element and a disengaged position at which the second clamp element is disengaged from the first clamp element.

### Claim 15 (depends on 14)

The surgical tool of claim 14, wherein the slider element further comprises:
a slider arm on which the second clamp element is positioned;
wherein the slider arm positions the second clamp element in engagement with the first clamp element when the slider element is slid into the engaged position.

### Claim 16 (depends on 15)

The surgical tool of claim 15, wherein the slider element further comprises:
a clamp guide positioned on the slider arm and defining a guide opening oriented to align with the clamp opening when the second clamp element is engaged to the first clamp element.

### Claim 17 (depends on 15)

The surgical tool of claim 15, wherein the first tool arm further comprises:
a locking feature engageable to a corresponding feature on the slider arm to engage the first tool arm to the slider arm.

### Claim 18 (depends on 14)

The surgical tool of claim 14, wherein the tool body further comprises:
a planar portion; and
wherein the slider element is slidable along the planar portion,
wherein the depth probe is positioned on the slider element opposite the second clamp element;
wherein the slider element is slidable on the tool body to move the slider element between a deployed position at which the depth probe protrudes from the planar portion and a retracted position at which the depth probe overlaps with the planar portion.

### Claim 19 (depends on 14)

The surgical tool of claim 14, wherein the tool body comprises a visual depth indicator;
wherein the slider element is slidable on the tool body to align the slider element with the visual depth indicator, wherein a predetermined length of the depth probe extends beyond the tool body when the slider element is aligned with the visual depth indicator.

### Claim 70

A method for preparing an implant site for an acetabular cup, comprising:
positioning a drill guide of a tool body at a bore site for the implant site;
boring a borehole with a drill bit inserted through the drill guide;
sliding a slider element on the tool body such that a depth probe protrudes from the tool body;
inserting the protruding portion of the depth probe into the borehole; and
sliding the slider element on the tool body to engage a second clamp element on the slider element to a first clamp element on the tool body to define a clamp opening for receiving a fastener.
