40 results about "Transverse dimension" patented technology

A valve prosthesis includes a self-expanding frame and a prosthetic valve coupled to an interior of the frame. The frame includes a plurality of endcrowns at a first end thereof, and a first paddle connected to a first endcrown by a first stem. The first end of the frame is collapsible to a collapsed configuration when a restraining force is applied to the first paddle and to the endcrowns, is configured to expand from the collapsed configuration to a partially deployed configuration when the restraining force is removed from the endcrowns but is still applied to the first paddle, and is configured to expand to a fully deployed configuration when the restraining force is removed from the endcrowns and from the first paddle. A first vale of a lateral dimension of the first end in the partially deployed configuration is at least 70 percent of a second value of the lateral dimension of the first end in the fully deployed configuration.

Disclosed is an absorbent article having a longitudinal direction, a transverse direction, a pair of side seams, and a pair of leg openings, comprising: a front elastic belt transversely extending between the pair of side seams; a back elastic belt transversely extending between the pair of side seams; a crotch region longitudinally extending between the front and back elastic belts; and an absorbent main body extending the entire longitudinal dimension of the crotch region and further extending partly into each of the front region and the back region, the absorbent main body comprising a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent material region sandwiched therebetween, the absorbent main body having a maximum transverse dimension W2 which is from about 22%to about 50%of a transverse dimension of the front elastic belt W1; the front belt divided into a waist zone, a protective zone, and a buttock zone lined up from the distal edge to the proximal edge, each zone spanning in the transverse direction and defined by its location from the distal edge to the proximal edge relative to the percentage of a longitudinal dimension LS of the side seam, wherein elastic members are disposed on each of the waist zone, the protective zone, and the buttock zone, the protective zone comprising a main portion and a waist guard portion superposed with each other, the waist guard portion extending towards the crotch region from a transversely extending closed end line towards an open edge, wherein the waist guard portion is partially bonded to the main portion to define a pair of closed side lines, wherein a front pocket is formed by the closed end line, the pair of closed side lines, and the open edge, the front pocket having an area A2 of from about 1%to about 10%, preferably from about 2%to about 6%of the front elastic belt having an area A1; and the closed end line and the closed side lines superpose the backsheet.

The utility model relates to the technical field of winding devices, and discloses a chinlon coated yarn winding device with a limiting structure, which comprises a support table and a winding reel, the transverse size of the middle of the winding reel is smaller than the transverse size of the upper and lower positions, and notch grooves are arranged on two sides of a mounting disc. According to the utility model, after the mounting disc is assembled, a silk thread is divided and guided through the position of the thread dividing cylinder, the two winding cylinders are respectively located at the side edge positions of the two thread dividing cylinders, the first motor is started to work to drive the transmission disc to rotate, the transmission disc and the winding cylinders are connected and fixed through the first bolts, and the winding work is carried out under the rotation of the transmission disc; the transverse size of the middle of the winding reel is smaller than the transverse size of the upper and lower positions of the winding reel, and the winding reel is I-shaped, so that the winding reel is wound from the middle position during winding, the upper and lower positions play a role in limiting, and after winding, the first bolt can be detached to complete the detaching work of the winding reel. Therefore, the overall limiting capacity is well improved in the working process.

A mold can include two chucks and two or more central mold parts that are configured to be removably coupled to the chucks such that the central mold parts extend between the chucks. When the central mold parts are coupled to the chucks, the central mold parts and the chucks can define a mold cavity including a gauge-forming portion and two shoulder-forming portions. The gauge-forming portion can be defined by the central mold parts and can have a first transverse dimension. The shoulder-forming portions can each be defined by a respective one of the chucks and have a second transverse dimension that is at least 1.5 times the first transverse dimension.

A fluid connector and a connection end thereof. The connection end (100) of the fluid connector comprises a valve seat (1), a valve (2) and a locking pin (3), wherein the valve (2) rotates relative to the valve seat (1) to achieve opening and closing; the locking pin (3) comprises a pin portion (31) and an operating portion (32); when the pin portion (31) moves axially to a limiting state, the valve (2) can be prevented from moving relative to the valve seat (1), and the operating portion (32) is exposed and can drive the pin portion (31) to move out of the limiting state; and the operating portion (32) is exposed from a face-away surface (11) of the valve seat (1) facing away from a coupling surface (12) and is located in a radial outer contour (13) of the valve seat (1). The position design of the operating portion can effectively reduce the transverse dimension of the connection end.

The invention relates to a mulching device for protecting plant seeds or seedlings, the device comprising at least one peeled wood sheet (1) having a first, longitudinal dimension (h) parallel to a longitudinal direction (X-X) of extension of the wood fibres and a second, transverse dimension (L) perpendicular to the longitudinal direction (X-X), wherein the sheet (1) comprises a plurality of stitching lines (2) of textile thread extending transversely, perpendicular to the longitudinal direction (X-X), the wood sheet further comprising at least one growth hole (3) for a plant seed or seedling and / or at least one growth notch for a plant seed or seedling in at least one transverse edge (1b) and / or longitudinal edge (1c).

A mixing distributor (154) for mixing intake air and EGR (exhaust gas recirculation) air in an engine system (118) is disclosed. The mixing distributor (154) comprises the following: a distributor chamber (202) in which the intake air and the EGR air are received; a neck region (204) having an upper end (242) at the distributor chamber (202) and extending along a longitudinal axis (251) to a lower end (246), the lower end (246) having a cross-section that is less than the cross-section of the upper end (242);and a collector (206) with a flat body having an upper wall (250) at the lower end (246) of the neck region (204) and a lower wall (254) spaced from the upper wall (250) by side walls (256) defining an internal volume leading from the neck region (204) to a front outlet opening (262), wherein the upper wall (250) is spaced from the lower wall (254) in a longitudinal dimension along the longitudinal axis (251) that is less than a transverse dimension (268) of the flat body between the side walls (256), and wherein the front outlet opening (262) is positioned at a lateral distance from the longitudinal axis (251).

The invention relates to a thread guide for an apparatus for manufacturing a filamentary stiffening structure of a tyre. The thread guide (10) comprises a base (32) and first and second fingers (34) which are supported by the base and are each provided with a guide portion (40) for the thread (14). The guide portions (40) together form a funnel capable of guiding the thread from mutually remote front edges (44) towards closer-together rear edges (46) of the guide portions (40). The closer-together rear edges (46) are curved and delimit between them a passage for the thread having a width greater than or equal to the diameter of the thread. The base (32) defines an opening (52) longitudinally extending the passage for the thread, the transverse dimension of the opening (52) increasing in the direction away from the passage for the thread (14).

The utility model discloses an aerial ladder frame integral assembly welding tool which comprises a welding platform, a transverse end face fixing clamp and a longitudinal end face positioning clamp are arranged on the welding platform, the transverse size of the welding platform is larger than the longitudinal size, and the transverse end face fixing clamp is used in cooperation with the longitudinal end face positioning clamp. The positioning and clamping device is used for positioning and clamping scaling ladder assembly workpieces so as to complete overall assembly welding of the scaling ladder assembly workpieces. The multiple transverse end face fixing clamps are detachably connected to the transverse side of the welding platform, and the multiple transverse end face fixing clamps and the end face of the transverse side of the scaling ladder assembly workpiece are clamped in a matched mode. The number of the longitudinal end face positioning clamps is one, one longitudinal end face positioning clamp is detachably connected to one longitudinal side of the welding platform, and the end face of one longitudinal side of the scaling ladder assembly workpiece abuts against the longitudinal end face positioning clamps. The device is high in universality, accurate in positioning and capable of being leveled, stable clamping of scaling ladder assembly workpieces is achieved, and welding deviation is avoided.

A shifter adjustment assembly is configured to be coupled to a shifter of a tufting apparatus, the shifter having a first shaft segment, a second shaft segment, a third shaft segment, and a fourth shaft segment. The shifter adjustment assembly includes a first body configured to be coupled to respective first ends of the first shaft segment and the third shaft segment. A second body is configured to be coupled to respective first ends of the second shaft segment and the fourth shaft segment. The assembly includes a coupling between the first body and the second body. The coupling is configured to releasably secure an axial position of the first body relative to the second body along a longitudinal dimension. The first body and the second body define respective complementary surfaces configured for sliding engagement such that movement between the first body and the second body is limited in a transverse dimension and allowed in the longitudinal dimension.

A tampon product including a tampon within an applicator assembly is disclosed. The applicator assembly includes a barrel portion joined to a gripping portion, imparted with features that improve utility and convenience for the user. In one example the gripping portion has a rearward edge defining differing first and second lengths. In another example the gripping portion has a lateral outer cross section profile that is substantially oval-shaped, ovoid-shaped, elliptical or stadium-shaped and has major and minor axes, each perpendicular to a longitudinal axis, along first and second lateral perpendicular directions, wherein following absorption of fluid the tampon will expand laterally to a first lateral dimension to a greatest extent along a first lateral direction, and to a lesser second lateral dimension along a second lateral direction 90 degrees from the first lateral direction, wherein the first lateral direction is substantially parallel to one of the major and minor axes.

This utility model discloses a concrete specimen size measuring device, including a support platform with two support plates on it. A forward-backward propulsion mechanism is slidably connected to the two support plates, and a left-right propulsion mechanism is mounted on the forward-backward propulsion mechanism. A measuring component is mounted at the bottom of the left-right propulsion mechanism. Driven by the forward-backward and left-right propulsion mechanisms, the measuring component moves, enabling the measurement of dimensions at various points on the concrete specimen. This relates to the field of size measurement technology. By setting the forward-backward and left-right propulsion mechanisms, the measuring component can be driven to move arbitrarily, and the scale plate in the measuring component can rotate, thereby enabling the measurement of lateral dimensions at various points in the forward-backward direction and longitudinal dimensions at various points in the horizontal direction, thus achieving measurement of various points on the specimen and improving the measurement efficiency of concrete specimens.

The present application relates to a positioning member for fixing a plate in a jig of a semi-automatic printing machine and a vacuum hole machine. The positioning member comprises a needle body and a gasket, wherein the transverse dimension of the needle body corresponds to the transverse dimension of a positioning hole on the jig. The gasket is arranged at the bottom of the needle body, and the gasket is configured to make the needle body extend and protrude on the top of the positioning hole of the jig in the height direction.

Device (1) for packaging and applying a cosmetic product to the lips, comprising: a receptacle (2), with a wiping member (37) having a wiping lip (38) defining a wiping orifice (39); an applicator (3), comprising: a stem (4); an application member (5) carried by the stem (4), having an application surface (10) defining a main application face (8) having a generally curved shape about an axis of curvature (Y) perpendicular to the longitudinal axis (X) of the stem (4), the application member having a width (W), measured parallel to the axis of curvature, which is at a maximum (Lom) or close to the maximum at a proximal end (11) of the main application face, said width (Lom) being greater than said smallest transverse dimension of the wiping orifice, the cross section of the application member having a non-circular contour at the proximal end (11) of the main application face (8).

The invention relates to an actuator device for use in a positioning system, wherein the actuator device is linearly movable within a plane with respect to a supporting structure of the positioning system as well as such a positioning system implementing such an actuator device.In an example of the actuator device according to the invention, it comprises a carrier having a longitudinal and a transversal dimension; and multiple groups of coil assemblies mounted in the carrier, each group of coil assemblies being structured to orientate the carrier in at least one degree of freedom.The single design actuator device according to the invention has limited constructional dimensions and allows high accuracy as to motion and position in multiple degrees of freedom.

The invention relates to a method (200, 300) for characterizing a structure (104) etched in a first surface (140) of a substrate (102), such as a wafer, the structure (104) extending into the substrate (102) in a longitudinal direction z, the method (200, 300) being implemented by a characterization system (100) comprising a light source (130, 131) configured to emit an illumination beam having a wavelength suitable for transmission through the substrate (102), the invention relates to a method (200, 300) for imaging a substrate (102), comprising a first surface (140) of the substrate (102), and an imaging device positioned facing a second surface (147) of the substrate (102) opposite the first surface (140), the method (200, 300) comprising the steps of:-illuminating (202) at least one structure (104) with an illumination beam,-subsequently positioning (204) an object plane of the imaging device at at least two different longitudinal positions; -acquiring (206) at each of said longitudinal positions at least one image of the structure (104), said image being acquired through the substrate (102); -measuring (210) at least one transverse data relating to a transverse dimension of the structure (104) from at least one image acquired at each of the longitudinal positions; and determining (212) at least one piece of longitudinal data relating to the longitudinal shape of the structure from the transverse data of the at least two longitudinal positions. The invention also relates to a system for implementing such a method.

Disclosed are menstrual cup applicators and methods of their use. Some applicators include a holder having a proximal end defining a first opening and a distal end defining a second opening, wherein the holder defines a channel extending between the first and second openings, the channel having a longitudinal axis and being configured to receive a menstrual cup, and a plunger having a shaft that is receivable by the first opening such that the shaft is movable within the channel along the longitudinal axis. In some applicators, the channel is bounded at the distal end by points on the holder that are positioned to facilitate containment of a menstrual cup within the channel. In some applicators, a maximum transverse dimension of the second opening is at least 1.5 times a maximum transverse dimension of the first opening.

The utility model discloses a kind of loading platform stacking supports with anti-toppling support structure, it is related to loading platform technical field, including loading platform main body, the top surface of loading platform main body is fixedly installed with fixed base, the front and rear sides of fixed base are provided with main support frame, the outside of main support frame is fixedly installed with oblique support frame, longitudinal spacing adjusting mechanism is connected between main support frame and oblique support frame and fixed base, the left and right sides of fixed base are provided with auxiliary support frame, transverse spacing adjusting mechanism is connected between auxiliary support frame and fixed base, the design of longitudinal spacing adjusting mechanism and transverse spacing adjusting mechanism in this loading platform stacking supports with anti-toppling support structure, the flexible adjustment of main support frame, oblique support frame and auxiliary support frame position is realized, wherein longitudinal adjustment can adapt to the longitudinal width of goods, and transverse adjustment can meet the transverse dimension demand of goods.

The invention relates to a method for producing, without the aid of a substrate, a plurality of rooted cuttings from a plurality of unrooted cuttings, comprising the steps of: - inserting at least one unrooted cutting (26) into each empty cavity (12, 12') of a plurality of empty cavities (12, 12') of a strip element (10, 10', 10''), the strip element (10, 10', 10'') having a longitudinal dimension (L) and a transverse dimension (D) and being formed at least partly of biodegradable material, the strip element (10, 10', 10'') forming the plurality of empty cavities (12, 12') arranged successively one after the other in a longitudinal direction (l) of the strip element, wherein the strip element (10, 10',10'') has a first wall-forming element (20) and a second wall-forming element (22) arranged to at least partially overlap the first wall-forming element (20) in the longitudinal direction (l) and not to completely overlap the first wall-forming element (20) in a transverse direction (d) of the strip element (10, 10', 10''), wherein the first wall-forming element (20) and the second wall-forming element (22) are fixed to each other in a spacer area (14, 14') of the strip element (10, 10', 10'') longitudinally adjacent to each cavity (12, 12') to delimit the plurality of cavities (12, 12'), wherein each cavity (12, 12') has a width (W, W') along the longitudinal direction (l) of the strip element (10, 10', 10''), a depth (T) along the transverse direction (d) of the strip element (10, 10', 10''),an opening (16) on an upper side (17) facing the transverse direction (d) of the strip element (10, 10', 10'') and through which at least one unrooted cutting (26) is inserted, and a lower side (18) opposite the upper side, wherein the lower side (18) is at least partially closed and the first wall-forming element (20) extends beyond the second wall-forming element (22) in the transverse direction (d) of the strip element on the upper side (17) of each cavity (12, 12'), and wherein the biodegradable material has a liquid retention capacity of at least approximately 100 g of liquid per 100 g dry weight of biodegradable material. Fig. 4 (See Figure (4)).

An absorbent article is disclosed, comprising: a front elastic belt extending laterally between a pair of side seams; a rear elastic belt extending laterally between a pair of side seams; a crotch region extending longitudinally between the front and rear elastic belts; and an absorbent body extending over the entire longitudinal dimension of the crotch region and further partially extending into the interior of each of the front and rear elastic belts, the absorbent body having a maximum transverse dimension W2 which is approximately 22% to approximately 50% of the transverse dimension W1 of the rear elastic belt, the rear elastic belt being divided into a rear lumbar zone, a protective zone and a buttock zone aligned from the distal edge to the proximal edge, each zone extending transversely and over the longitudinal dimension LS of the side seam In relation to the proportion, the elastic member is defined by its position from the distal edge to the proximal edge, and is positioned above the posterior lumbar zone, protective zone and buttock zone, respectively. The protective zone includes a main portion and a lumbar guard portion that overlap each other, the lumbar guard portion extends from a laterally extending closure end line toward the crotch area toward the open edge, and the lumbar guard portion is partially joined to the main portion to define a pair of closure side lines, and a pocket is formed by the closure end line, the pair of closure side lines and the open edge, the pocket has an area A2 of about 5% to about 15% of the posterior elastic belt having an area A1, and the closure end line is positioned proximal to the posterior distal edge of the backsheet.

Systems and related methods related to structures with large-scale rotatable elements. Some of the present systems comprise: a tower defining a plurality of human-habitable spaces; a tower hub coupled to the tower and having a transverse dimension of at least 50 feet; an observation wheel rotatably coupled to the tower and having a central wheel hub; and one or more bearings disposed between the tower hub and the wheel hub to rotatably support the observation wheel relative to the tower.

A stapler reload assembly comprises a cartridge body defining a housing to receive staples and a staple retainer removably coupled to the cartridge body. The cartridge body is configured to be received in a stapler instrument jaw and has a longitudinal dimension and a lateral dimension. The cartridge body comprises a first side comprising a plurality of staple apertures configured to eject staples housed in the cartridge body, a second side opposite the first side, and a central recess in the first side and extending along the longitudinal dimension. The staple retainer comprises a staple retainer body extending along the longitudinal dimension of the cartridge body and covering the plurality of staple apertures, and a septum extending from the staple retainer body and into the central recess of the cartridge body. Mechanical interference between the septum and the cartridge body resists removal of the staple retainer from the cartridge body.

A device may include a first cylindrical structure having an outer edge, a nonplanar top surface, and a nonplanar bottom surface, wherein the first cylindrical structure has a minimum transverse dimension, and the first cylindrical structure has a density greater than 0.5 g / cm3.

The present disclosure relates to an optical assembly (200) comprising: a substrate (202) comprising a through-hole (206) extending from a first opening of a first surface (208a) of the substrate to a second opening of a second surface (208b) of the substrate; and a lens element (204) at least partially embedded in the through hole (206). The substrate (202) is configured to define an aperture diaphragm (212) of the optical assembly (200) at a position corresponding to the through hole (206), thereby partially blocking light rays and partially allowing light rays to pass through the aperture diaphragm (212) during operation of the optical assembly (200). The transverse size of the aperture diaphragm (212) in the direction perpendicular to the optical axis of the optical assembly (200) is smaller than the transverse size of the lens function portion of the lens element (204) in the direction perpendicular to the optical axis of the optical assembly (200).

A system for laparoscopic thermal treatment of visceral fat includes an elongate cooling probe configured for placement through a trocar, the probe including an elongate shaft having a proximal end and a distal end and having a maximum transverse dimension, and an expandable endpiece having a proximal end and a distal end, and including a collapsed state configured for placement through a channel of the trocar and an expanded state, the expanded state having a maximum outer diameter, the maximum outer diameter at least about twice the maximum transverse dimension of the shaft, wherein the proximal end of the endpiece is sealingly coupled to the distal end of the shaft, and a heat exchanger coupled to the cooling probe and configured to remove heat from the endpiece such that adipose tissue placed in contact with the endpiece can be cooled to a temperature of between about 2° C. and about +1° C.

Device (1) for conditioning and applying a cosmetic product to the lips, comprising: - a container (2), with a wringing element (37) having a wringing lip (38) defining a wringing orifice (39); - an applicator (3), comprising: o a rod (4);o an application member (5) carried by the rod (4) having an application surface (10) defining a principal application face (8) having a general shape curved around an axis of curvature (Y) perpendicular to the longitudinal axis (X) of the rod (4), the application member having a width (W), measured parallel to the axis of curvature, which is maximum (Lom) or close to the maximum at a proximal end (11) of the principal application face, this width (Lom) being greater than said smallest transverse dimension of the wringing orifice, the cross-section of the application member having a non-circular contour at the proximal end (11) of the principal application face (8). Figure for the abbreviation: Fig. 1;

Disclosed is an absorbent article having longitudinal and transverse dimensions, comprising a front elastic band, a rear elastic band, and a crotch area, wherein the front and rear elastic bands are connected to a pair of side seams to form a waist opening and a pair of leg openings; the crotch area extends longitudinally between the front and rear elastic bands; the absorbent article includes an absorbent body extending the entire longitudinal dimension of the crotch area and also partially extending into each of the front and rear areas, the absorbent body comprising: 1) a water-permeable top sheet, 2) a water-impermeable bottom sheet, 3) an absorbent core disposed between the top sheet and the bottom sheet, and 4) a composite separator comprising: a) a pair of inner bands having a pair of side edges elasticated longitudinally by inner band elastic strands, and b) a front portion thereof. The front region has a front longitudinal endpoint and a pair of front opening edges, wherein the front opening edges do not contain elastic elements, wherein the front portion has a lateral longitudinal dimension F1 and a central longitudinal dimension F2, wherein F2 is about 30% to about 85% of F1, wherein the composite absorbent sheet is bonded to the wearer-facing side of the top sheet by a pair of main adhesive portions extending in the longitudinal direction and an auxiliary adhesive portion extending in the transverse direction between the main adhesive portions, the front elastic band is formed by an outer sheet, an inner sheet and a plurality of elastic strands extending in the transverse direction and sandwiched between the outer sheet and the inner sheet, the front elastic band includes a transfer elastic strand, the transfer elastic strand being at least one elastic strand superimposed on the front portion and the pair of main adhesive portions, wherein the absorbent core does not extend beyond the transverse edge of the main adhesive portion and does not extend beyond the front end of the auxiliary adhesive portion.

This wire guide (10) comprises a base (32) and first and second fingers (34) supported by the base (32) and each equipped with a wire (14) guiding portion (40). The guiding portions (40) together form a funnel capable of guiding the wire (14) from widely spaced front edges (44) to closely spaced rear edges (46) of said guiding portions (40). The closely spaced rear edges (46) are curved and define a passage for the wire (14) having a width greater than or equal to the diameter of the wire (14). The base (32) defines an opening (52) extending longitudinally from said passage for the wire (14), the transverse dimension of the opening (52) increasing with distance from said passage for the wire (14). Figure for the abbreviation: Fig 2

A low-loss bidirectional HE11 coupler is disclosed with substantially higher directivity than prior HE11 THz couplers for overmoded waveguides operating in a frequency band centered about f0, where f0 is between 0.03 to 1.5 THz, with mid-band free-space wavelength λ0. The coupler comprises a main hollow-metal waveguide, aligned along the z axis, of inner radius r1, where r1 is greater than 2λ0, a first end of the main waveguide is identified as port-1 and its second end is identified as port-2. A first transverse lofted transition waveguide couples a port-3 of radius r3, where r3<r1, to a substantially elliptical opening of mean radius greater than r3 in one side of the main waveguide. A similar second tapered lofted transition waveguide, aligned on the same axis as the first lofted transition, identified as the y axis, couples a port-4 to a substantially elliptical opening in the opposite side of the main waveguide. A substantially elliptical dielectric mirror, centered with respect to the intersection of the axes of the main waveguide and the transverse coupling waveguides, rotated at approximately 45° with respect to the xy plane about the x axis for HE11 E-field polarization in the y direction, supported on its +x and −x sides, has major and minor transverse dimensions sufficient to intersect a substantial fraction of the cross-sectional area of the beam in the main waveguide. The mirror is further characterized as having thickness greater than λm / 10 and less than λm, where λm is the wavelength in the mirror at f0. The mirror dielectric is further characterized as typically having dielectric constant εm less than 3.7 and loss tangent less than 0.02. The coupler is further characterized as having portions of the inside surfaces of waveguides near their intersections coated with a microwave absorptive material that is characterized as having loss tangent greater than 0.01 and thickness greater than λa / 5, where λa is the wavelength in the absorptive coating at f0. Other inner surfaces of the waveguides may be bare metal, or corrugated, or laminate lined. A polarizer may be included at port-1 and / or port-2 to partially block s-polarization, here polarization with E field in the x direction. The polarizer may be formed by etching an array of narrow traces on copper-clad low-loss laminate of substrate thickness approximately λp / 2, where λp is the wavelength in the polarizer substrate at f0. The traces are further characterized as having periodicity approximately λ0 / 4, trace width less than λ0 / 12, and being aligned in the x direction.

Instruments and related methods for breaking reduction tabs are disclosed herein, e.g., for breaking reduction tabs of a bone anchor or other implant. In some embodiments, the instrument can be configured to minimize the space needed to operate the instrument. For example, the instrument can be configured to receive a reduction tab that is to be broken while the instrument is coaxially positioned with respect to a bone anchor receiver to which the reduction tab is attached. As another example, the instrument can have a maximum outer transverse dimension that is less than, equal to, or only slightly greater than a corresponding dimension of a bone anchor from which a reduction tab is to be broken. Guide rods for positioning a tab breaker instrument over a reduction tab are also disclosed.