168 results about "Shape Nail" patented technology

A gas combustion type coil nailer is provided with (a) a main body (1) which is provided with combustion chamber; (b) a head part (3) which is disposed on the front surface of this; and (c) a magazine 4 which is disposed on the bottom surface of the head part (3) so that it can be attached and detached easily. A coil shaped nail connecting body is loaded onto the magazine (4). The head part (3) is provided with (d) a guide tube (35) through which the rod (17) and the nail n pass; and (e) with a feed motor (47). The nail connecting body N is fed to the guide tube (35) by a feed gear which is driven by the feed motor (47). Power is supplied to the feed motor (47) from a battery. The rod (17) is driven and the nail is fed by separate motive forces so that the nail can be fed reliably without adversely affecting the accuracy and reliability of the driving capacity of the rod (17).

A dual-use nail magazine for alternatively accommodating a T-shaped nail strip or an inverted U-shaped nail strip includes a track bar defining a first channel for receiving the T-shaped nail strip when it is used alone, a second channel, and a third channel cooperated with the first channel for receiving the inverted U-shaped nail strip. A nail pushing mechanism has a rod member suspended in the second channel, a nail push plate movably sleeved onto the rod member and having a first nail-pushing portion inserted into the first channel, and a second nail-pushing portion inserted into the third channel, and a compression spring sleeved onto the rod member for supporting and moving the nail pusher along the first channel and the third channel so as to push the T-shaped nail strip in the first channel or the inverted U-shaped nail strip in the first and third channels.

The present invention relates to a PU tube detection device used for high-end equipment manufacturing. According to the device, two clamping devices with adjustable radii and adjustable transverse spacing are used to reliably clamp a to-be-tested sample, two clamping plates at the end part and cone-shaped nails allow the clamping more reliable, and air-tightness test is performed via sealing and inflation at both ends. The upper end of the bracket is connected with an aperture detection device liftably. An outer diameter tube-clamping measuring device drives multiple radially-arranged lead screws via a rotating ring to feed, so that the outer diameter tube-clamping measuring device coordinates with support plates in an inner diameter tube-clamping measuring device to realize the effectivesupport and fixation on a to-be-tested end of the to-be-tested sample, and thus the measuring device between the inner diameter and the outer diameter can measure the aperture and thickness more accurately. In the measuring device, the principle that a light spring triggers an elastic piece to change the resistance value is exploited ingeniously, and the precise inner and outer diameter change isobtained. The device has the advantages of high detection accuracy, digital control, simple operation and ingenious structure, the manufacturing efficiency and the safety performance of the system areimproved, and thus the device is suitable for popularization.

The present invention discloses a nail box for T-shaped, L-shaped and U-shaped nails of nail-shooting gun, comprising: a groove seat provided to be straddled and slid by the U-shaped nails, one end of the groove seat is connected with the head of the nail-shooting gun; a nail clamp arranged at a side face of the groove seat to form a containing groove between the nail clamp and the groove seat to be passed by a nail; a nail-pushing block having an U-shaped cross section and connected with the body of the nail-shooting gun by an elastic element to push the nail to move toward the head of the nail-shooting gun along the containing groove; characterized in that: two convex stripes are oppositely arranged on an inner wall of the containing groove adjacent to the top of the groove seat. The usage range of the nail box according to the present invention can be extended, and the nail box is more convenient for users.

A nail magazine includes an elongated magazine unit which defines two elongated parallel channels, a first transverse channel intercommunicating the parallel channels so as to cooperatively form a U-shaped nail loading slot, and a second transverse channel extending from one of the parallel channels so as to cooperatively form an L-shaped nail loading slot therewith. A guide member is disposed on a front discharging end of the magazine unit, and cooperates with the front discharging end to define a stroke path of a driving member of a nail-driving tool. The guide member defines a guiding slot to guide a U-shaped nail to move along the stroke path. A guide bar is mounted in the guiding slot, and has a guiding portion configured to be raised to guide movement of an L-shaped nail, and can be depressed by the driving member to retreat into a retreat bore.

The invention relates to a long side slope protection concrete continuous rapid pouring and form-drawing system. A slip form mainly comprises a side form and a face form; the side form is connected with the face form by mutually-embedded sliding rails; U-shaped nail limiting holes are formed on the top surfaces of the sliding rails; the face form mainly comprises a panel, an operation platform, a protection railing, a plastering platform and the like, wherein the panel adopts a hollow steel-channel erected steel plate and water pressure bags are arranged in the steel sheet and under the operation platform; the side form adopts a sized combined frame steel form; a debugging bracing piece is arranged outside the side form; steel plate placement grooves are formed at intervals; water pressure bags are arranged in the steel plate placement grooves; a synchronous thin jack variable inclined cushioning body is arranged at the position of a bench. According to the invention, a side form self-rail form drawing system is adopted, so that ceramic can be effectively prevented from floating up in the pouring process, continuous pouring and integral forming of multiple stages of side slopes are implemented and the long side slope protection concrete continuous rapid pouring and form-drawing system has good economic and technical benefits. The invention also provides a construction method of the long side slope protection concrete continuous rapid pouring and form-drawing system.

The invention relates to the field of environmental protection, and discloses a device for protecting a slope from scouring erosion of runoff. The device comprises a reinforced three-dimensional polypropylene mesh pad, an anchor rod, U-shaped nails, soil improvement fiber mixtures, vegetation seeds, anti-erosion fiber mixtures, weights and a non-woven fabric; the reinforced three-dimensional polypropylene mesh pad is fixed on an anchoring groove of the slope through the anchor rod and then is filled with the weights, and the reinforced three-dimensional polypropylene mesh pad is anchored on the surface of the slope and the surface of the anchoring groove of the slope through the U-shaped nails; a mixture of the vegetation seeds and the soil improvement fiber mixtures and a mixture of the vegetation seeds and the anti-erosion fiber mixtures are sequentially sprayed on the surface of the reinforced three-dimensional polypropylene mesh pad; and the non-woven fabric covers the surfaces ofthe vegetation seeds and the anti-erosion fiber mixtures to form the device for preventing the slope from the erosion of the runoff. Therefore, the device is suitable for ecological protection of various slopes, dams, river shoals and the like, has strong anti-erosion performance and can effectively resist the scouring erosion of the runoff.

The invention discloses an electric linear anastomat which comprises an osculating mechanism and a driving and executing mechanism, wherein the driving and executing mechanism comprises a tube body, a push tube which is arranged inside the tube body and capable of being driven to precess back and forth, and a center rod which is arranged at the center of the push tube and capable of being driven to precess back and forth, and the osculating mechanism comprises an L-shaped nail abutting base which is in transmission connection with the center rod and capable of moving back and forth only, and an L-shaped nail pushing component which is in transmission connection with the push tube and capable of moving back and forth only. The electric linear anastomat is simple in structure, highly practical, capable of achieving adjustment and percussion by means of one motor and reducing machining cost, convenient to control, and capable of improving the using effect. Due to the fact that percussion is achieved with the motor, the difference caused by manual percussion is avoided. Due to the additional arrangement of a feedback window, visual feedback is provided, the success rate is increased, and the operation effect is improved.

The invention relates to the field of desert greening, and discloses a desert sand-fixation greening device and a desert sand-fixation greening method. The desert sand-fixation greening device comprises a reinforced three-dimensional polypropylene mesh pad, U-shaped nails, vegetation seeds and a soil improvement fiber mixture and an antierosion fiber mixture, wherein the reinforced three-dimensional polypropylene mesh pad is anchored on the surface of a desert through the U-shaped nails; and the soil improvement fiber mixture and the antierosion fiber mixture are successively sprayed into meshholes and onto mesh surface of the reinforced three-dimensional polypropylene mesh pad. The desert sand-fixation greening device provided by the invention has reasonable and compact structure, is convenient to construct, has desert-fixation effect, and can weaken the damage of migratory dune and wind-blown sand to plants; meanwhile, the desert sand-fixation greening device has water-retaining andnutrient-preserving properties, meets the growth demands of desert plants, and improves the survival rate of the desert plants. The desert sand-fixation greening device provides a novel vision for solving the problems of migratory dune displacement and desert plant growth, and has broad application prospects in sand fixation and desert greening.

The invention discloses an anti-loosening bolt for a T-shaped nail. The anti-loosening bolt comprises a bolt rod (1), a standard nut (2), an anti-loosening gasket (3) and a T-shaped nail (4), and is shown in a figure 1 described in the specification, wherein an inverted inner thread hole is drilled in the tip axle center of the standard bolt rod in the bolt rod (1), and is shown is the figure 1; the anti-loosening gasket (3) is a hexagonal gasket of which the inner circle diameter is slightly greater than the diameter of the bolt rod; one end of the gasket is provided with a square groove which is shown in a figure 3; the T-shaped nail (4) is shown in a figure 4; the size of a transverse rod of the T-shaped nail is matched with that of the square groove of the gasket (3); a screw rod of the T-shaped nail is matched with the inverted inner thread hole; after a component is tightened by using the standard nut (2), the transverse rod of the T-shaped nail (4) is inserted into the square groove of the anti-loosening gasket (3), and is reversely screwed into an inner thread hole of the bolt rod end till the transverse rod is screwed tightly; and if the nut (2) becomes loose, the T-shaped nail (4) is driven to rotate in the same direction, and the rotation direction is a direction in which the T-shaped nail (4) is screwed, so that the nut (2) is prevented from becoming loose, and the aim of preventing the bolt from becoming loose is fulfilled.

The invention discloses a traction / locking element, a traction / locking set, an orthodontic bracket, an orthodontic bracket system and a tooth orthodontic method. The traction / locking element comprises a strip-shaped nail body, wherein the area of the cross section of the nail body is 0.06-2.5 square millimeters, and the length of the nail body is 0.8-4.5 millimeters; the front end of the nail body is a first fixed end, and the rear end of the nail body is a first screwing end; the first fixed end is provided with a connecting external thread, and the external diameter of the connecting external thread is 0.2-1.6 millimeters; and at least the end position of the first screwing end is provided with a first force application surface. The invention aims at overcoming the defects of the prior art; the traction / locking element can be used for carrying out traction in time according to the traction opportunity of tooth orthodontics, thereby reducing the discomfort of the oral cavity; and the traction / locking element is very convenient to install and disassemble and is very reliable in traction of teeth.

The invention relates to a nail cartridge base of a disposable intracavity incision anastomat. The nail cartridge base is a matched device of the disposable intracavity incision anastomat for arranging lines on the intracavity tissue and is provided with a circular-arc-shaped nail cartridge base body, wherein a nail cartridge installing groove is arranged on the inner side of the circular-arc-shaped nail cartridge base body. A cutting blade sliding groove is arranged on the circular arc face of the circular-arc-shaped nail cartridge base body, a cutting tool apron sliding groove is arranged on the outer side of the cutting blade sliding groove, nail cartridge fixing grooves are arranged on two sides of the circular-arc-shaped nail cartridge base body, a nail abutting-against seat positioning pin hole is arranged at the back end of the circular-arc-shaped nail cartridge base body, and nail abutting-against seat installing and positioning platforms are arranged on two sides of the back end of the circular-arc-shaped nail cartridge base body. A nail cartridge base locking step is arranged at the back end of the cutting tool apron sliding groove. Due to the fact that the nail cartridge base adopts the circular-arc-shaped nail cartridge base body, two side faces of the back portion of the nail cartridge base are provided with the nail abutting-against seat installing and positioning platforms, two side faces of a nail abutting-against seat and two side faces of the nail cartridge base are smooth, a puncture outfit sealing ring is not damaged by a cutting tool apron in the osculating tissue using process, and an osculating operation is ensured to be performed smoothly.

A gas combustion type coil nailer is provided with (a) a main body (1) which is provided with combustion chamber; (b) a head part (3) which is disposed on the front surface of this; and (c) a magazine 4 which is disposed on the bottom surface of the head part (3) so that it can be attached and detached easily. A coil shaped nail connecting body is loaded onto the magazine (4). The head part (3) is provided with (d) a guide tube (35) through which the rod (17) and the nail n pass; and (e) with a feed motor (47). The nail connecting body N is fed to the guide tube (35) by a feed gear which is driven by the feed motor (47). Power is supplied to the feed motor (47) from a battery. The rod (17) is driven and the nail is fed by separate motive forces so that the nail can be fed reliably without adversely affecting the accuracy and reliability of the driving capacity of the rod (17).

An interlocking nail having an hour-glass geometry is used for repair of bone fractures. The hour-glass interlocking nail includes a proximal section, a mid section, and a distal section. Each section of the hour-glass interlocking nail has a diameter. The proximal and distal sections each have a diameter larger than the mid section so that the interlocking nail has an hour-glass geometry. The hour-glass interlocking nail comprises at least one fixation aperture located within either the proximal or distal section of the hour-glass interlocking nail. Preferably, the fixation aperture has a tapered locking design adapted to receive a screw-cone peg. The hour-glass geometry utilized by the interlocking nail is better suited to address a larger population of bone canal geometries, stressing the fracture site with known values within the healing process and preventing inadvertent perforation of the nail through the cortex of the bone. Hour-glass nail geometry more appropriately distributes stresses and promotes better healing at the bone fracture.

The invention discloses a hollow U-shaped nail device capable of being filled with bone cement, and the U-shaped nail device is an internal fixation device used in the orthopaedic surgery and is especially used in the treatments of vertebral diseases and the like caused by spinal instability, vertebral body compression fracture and osteoporosis. The hollow U-shaped nail device is composed of a hollow pedicle screw, a middle body and a connector; the hollow pedicle screw is provided with a through hole, namely contains an inner hole; the hollow pedicle screw also contains a screw stem with an external thread and a head with a rectangular internal thread; the head of the screw stem is provided with a side hole; the head with the rectangular internal thread is provided with a cylindrical hole and an inner tapered hole; the inner tapered hole is used for connecting the middle body; the middle body fits with the inner hole of the head of the hollow pedicle screw; one end of the connector is a cylindrical rod and is used to fit with the cylindrical hole of the middle body closely; and a rectangular thread fits with the head with the rectangular internal thread of the hollow pedicle screw, and the other end of the connector is provided with a standard Ruhl interface.

The invention discloses a double-convex-fold expansion bolt, which comprises a bolt body, a nut and an expansion sleeve. The bolt body is provided with a cone-shaped nail head with the large end being as a tail end, and the cone-shaped nail head is provided with a convex bar. The double-convex-fold expansion bolt is characterized in that the two ends of the expansion sleeve are provided with a slot, and a cone-shaped bulge is arranged between the nut and the expansion sleeve, is sleeved on the bolt body and is provided with the convex bar. The invention has the advantages that the bolt has high strength, high pulling force bearing capacity and low cost, can be easily manufactured, can be used conveniently and cannot be deflected easily.

The invention discloses a guide rail preassembling server. The guide rail preassembling server comprises a box body used for containing components, a plurality of I-shaped nails inserted into the outer walls of the two sides of the box body and distributed in the installation direction of a cabinet, and guide rails arranged on the outer walls of the two sides of the box body, inlaid in the I-shaped nails and used for slidingly matching guide rail seats reserved at the inner walls of the cabinet body. When the server is installed on the rack, the guide rails are installed on the outer wall of the box body of the server through the I-shaped nails in advance, so that the server can be directly inserted into the server cabinet by an operator in actual operation, meanwhile, the guide rails andthe guide rail seats on the inner wall of the cabinet body form sliding fit, the server can be smoothly pushed into the server cabinet, the risk that the I-shaped nails and the guide rails collide orare knocked down due to human factors and installation errors can be avoided, and the server is prevented from being damaged in the installation process of installation on the rack. The invention alsodiscloses a server cabinet. The server cabinet has the beneficial effects as described above.

The invention relates to a U-shaped nail symmetric punching and positioning mechanism which comprises gear seats; two positioning devices are symmetrically arranged in the gear seats; any one positioning device respectively comprises a positioning arm and a support seat; the upper end of the positioning arm is fixedly provided with a gear; the gears on the upper ends of the two positioning arms are mutually engaged; the gears are arranged in the gear seats through gear shafts; a spring is connected between the symmetric positions of the two positioning arms; the lower ends of the positioning arms are provided with shifting forks; the opposite side surfaces of the two shifting forks are in oblique surface shapes; the lower ends of the shifting forks are in arc-shaped surface shapes; the upper ends of the support seats are respectively provided with a roller through a connecting shaft; and the outer peripheries of the rollers are respectively tangential to the arc-shaped surfaces of the shifting forks above the rollers. According to the U-shaped nail symmetric punching and positioning mechanism, the two positioning devices which are symmetrically arranged adjust a central point of a U-shaped nail to be processed to a punching central path of a punch, so that the pin height is kept consistent when in formation, and the product quality is improved.

The invention discloses a semi-open axial flow threshing cylinder and relates to a threshing cylinder for a combined harvester in order to solve the problems that the linear speed of the front end of the threshing cylinder is low and grains are easy to paste and lose because the threshing cylinder on the combined harvester is an open conical cylinder. A plurality of arc toothed bars are uniformly distributed along the same circumference so as to form an equaldiameter toothed bar drum; each arc toothed bar is slantways arranged relative to the central line of the toothed bar drum; the inclination directions of the plurality of arc toothed bars are consistent; one end of each arc toothed bar is connected with a closed barrel and the other end of the arc toothed bar is connected with a fixed disk; a plurality of toothed bar fixing disks are arranged in parallel between the fixed disk and the closed barrel; the threshing cylinder is fixedly arranged on a main shaft; the closed barrel is positioned on one side of a rear supporting semiaxis; a plurality of finger-shaped nail teeth are arranged on the outer surface of each arc toothed bar along the length direction at equal intervals; a plurality of plate tooth seats are arranged on an extended line, positioned on the central line of each arc toothed bar, of the outer surface of the closed barrel; and a trapezoid plate tooth is arranged on each plate tooth seat. The semi-open axial flow threshing cylinder is used for the combined harvester.

The invention discloses a wiring and shaping device of optical projection, and aims at providing the cable wiring and shaping device simple in structural form and easy to operate. A workbench support (7) is provided with an optical projector (2) which is positioned under a transparent wiring and shaping plate (5), the optical projector (2) projects a shaping nail plate drawing which includes a wiring relation and shape geometric size information of a cable harness (4) onto a semi-transparent projection curtain (6) in the proportion of 1:1 via a computer (1), an operation staff observes a drawing on the semi-transparent projection curtain (6) via the transparent wiring and shaping plate (5), shaping of the cable harness (4) is realized in the wiring and shaping plate (5), and branches, turnings and the like of the cable harness (4) are positioned and fixedly shaped on the wiring and shaping plate (5) via cable fixing members (3).

The invention relates to a multifuction nipper. The nipper bodies are hinged together. The front end of the nipper body is nipper jaw. The back end of the nipper body is handle part. An aid nailing device is set on the outerside surface of the nipper jaw. An aid nailing hole is set on the medial surface. Two semicycles forming aid nailing hole are respectively mounted on the nipper bodies. A V shape nail puller is set on the outside surface of the nipper jaw. a hanmmer face is set on the other outside surface. An adjustable spanner is set on the handle end after the nipper body. A screwdriver is set on the other handle end. A wire stripper, cord shear and direct-nailing device are installed on the back-end of the nipper jaw and the contact part of the nipper bodies. The invention has various functions of nipper, spanner, screwdriver, hammer, file, shears, wire stripper, in addition with removing the nail, aid nailing function for preventing the nail bending during the process of hammering and straight nail function of realigning the bent nail.

The invention relates to a high-strength corrugated board box suitable for transportation. The high-strength corrugated board box comprises outer bottom covers, inner bottom covers, side boards, transverse pressing marks, inner rocking covers, opening grooves, vertical pressing marks, outer rocking covers, end boards, a connector paper board, U-shaped nails, double-layer corrugated boards, transparent flame retardant PC thin films, inner-layer paper boards, middle-layer paper boards, outer-layer paper boards, pearl wool, a mouldproof layer, a waterproof layer, inner-layer corrugated core paper, outer-layer corrugated core paper, first outer-layer corrugated core paper body, second outer-layer corrugated core paper body, an elastic material, lining paper boards, butterfly paper pads, limiting paper boards, clamping grooves, an anti-abrasion coating thin film layer, a coating inner paper mixing layer and an inner paper layer. The high-strength corrugated board box suitable for transportation has the advantages that an outer protection box body adopts the double-layer corrugated boards, and the protection strength is high; a box body size adjusting mechanism is internally arranged, so that the suitability is high, and product transporting is facilitated; and the anti-abrasion coating thin film layer is arranged on the lining paper boards, and thus friction and abrasion can be effectively reduced.

The invention discloses an external-expansion type medical suturing nail with a nail body falloff promoting plate. The suturing nail comprises rod-shaped nail angles and a nail beam, wherein the cross sections of both the rod-shaped nail angles and the nail beam are of rectangular structures; an n-shaped structure is formed by the two rod-shaped nail angles and the one nail beam, and corners where the rod-shaped nail angles and the nail beam are connected are of arc-shaped structures; the nail body falloff promoting plate is arranged on the nail beam; the side face of the nail body falloff promoting plate is butted with the upper side face or the lower side face of the nail beam; and the front plate surface of the nail body falloff promoting plate is horizontal with the front side face of the nail beam and the rear plate surface of the nail body falloff promoting plate is horizontal with the rear side face of the nail beam. The suturing nail disclosed by the invention, by virtue of the nail body falloff promoting plate, is conducive to the falloff the a nail body; the two rod-shaped nail angles, which are in the form of external expansion, are capable of preventing the nail angles from bending inwards in the process of piercing into skin; and corners on the outer sides of the ends of the two rod-shaped nail angles are cut off, so that the outer sides of the ends of the rod-shaped nail angles are formed as inclined planes, and the two external-expansion rod-shaped nail angles bend inwards when the rod-shaped nail angles are in contact with a nail anvil, so that the success rate of a suturing operation is greatly improved.

The invention discloses a hollow U-shaped nail device capable of being filled with bone cement, and the U-shaped nail device is an internal fixation device used in the orthopaedic surgery and is especially used in the treatments of vertebral diseases and the like caused by spinal instability, vertebral body compression fracture and osteoporosis. The hollow U-shaped nail device is composed of a hollow pedicle screw, a middle body and a connector; the hollow pedicle screw is provided with a through hole, namely contains an inner hole; the hollow pedicle screw also contains a screw stem with an external thread and a head with a rectangular internal thread; the head of the screw stem is provided with a side hole; the head with the rectangular internal thread is provided with a cylindrical hole and an inner tapered hole; the inner tapered hole is used for connecting the middle body; the middle body fits with the inner hole of the head of the hollow pedicle screw; one end of the connector is a cylindrical rod and is used to fit with the cylindrical hole of the middle body closely; and a rectangular thread fits with the head with the rectangular internal thread of the hollow pedicle screw, and the other end of the connector is provided with a standard Ruhl interface.

The invention provides an arc-shaped nail which is used for a surgical binding instrument, including a nail crown and a nail foot, at least one part of the nail crown part or the nail foot part takes a shape of arc; the plane which is perpendicular to the direction of the nail foot is a reference plane, the included angle of the plane on the nail crown where the arc shape is arranged and the reference plane is 0 degree to 180 degrees; the radian of the arc shape on the nail crown is one sixth of Pi to Pi; and two or more arc shapes on the nail crown are connected to form a curve. When in specific surgical application, the arc-shaped nail is stored in a nail slot of a nail chamber of the binding instrument, when the tissues to be inoculated are in place, the firing is implemented by a firing mechanism of the binding instrument, the arc-shaped nails which are pre-stored in various nail slots of the interior of the nail chamber are divergent to the outside along the axial direction, so as to be matched with a nail forming slot to carry out the anastomosis of two tissues. The diameter of an anastomosis ring which is formed by the arc-shaped nail of the invention is bigger than that of the anastomosis ring which is formed by the linear nail, which is not only easy to remove the apparatus after the operation, but is more in line with the physiological shapes of tissues; furthermore, the invention can be conductive to postoperative healing and can improve surgical effect greatly.

The invention discloses an arc-shaped body coinciding nail which is in a horse nail shape. The arc-shaped body coinciding nail comprises an arc-shaped nail beam of an arc-shaped body structure, the inner edge and the outer edge of the nail beam are in arc shapes belonging to concentric arcs, and two miniature long needles extend out of the two sides of the nail beam to be bent into two minimally invasive nail feet. The arc-shaped body coinciding nail is mainly applied to a circumcising coinciding (sewing) device, and has the advantages that a regular circular nail ring can be formed by arranging a plurality of same coinciding nails, the widths of the edges of a nail bin ring in the coinciding (sewing) device and an abutting nail ring on a glans penis base can be reduced, and the defects that in a prior circumcising coinciding (sewing) device, the edge of an abutting nail ring on a glans penis base is excessively wide, a clock-shaped hole in the glans penis base is too small, and the clock-shaped glans penis base matched with the penis in type cannot be placed into the prepuce smoothly are overcome.

The invention discloses a gun type circumcision anastomat with an improved suturing nail ejecting cylinder. The gun type circumcision anastomat comprises a gun body and a trigger transmission mechanism. The gun body is composed of a tubular body part, a main shell part and a handle part. A suturing nail comprises rod-shaped nail tips and a nail beam, wherein a nail body disengagement assisting plate is arranged on the nail beam, and the side face of the nail body disengagement assisting plate is connected with the upper side face or the lower side face of the nail beam in a butt joint mode. The suturing nail ejecting end of the suturing nail ejecting cylinder is composed of a plurality of T-shaped ejecting rods distributed at intervals, wherein the T-shaped ejecting rods can extend into a U-shaped through groove and a through groove of a nail bin ring to eject out the suturing nail. By additionally arranging the nail body disengagement assisting plate, the disengagement of a nail body is facilitated; by arranging the two rod-shaped nail tips in an outwards-expanding shape, the nail tips can be prevented from being bent inwards when pierced into skin, inclined faces are formed on the outer sides of the ends of the rod-shaped nail tips, and the two rod-shaped nail tips in the outwards-expanding shape can be bent inwards when the rod-shaped nail tips make contact with a nail anvil; due to the design, the success rate of a suturing operation is greatly increased.

The invention relates to a three-in-one nail gun nail-box unit, comprising: a groove, on which a U-shaped nail can straddle and slide and one end of which is connected with the head of the nail gun; a nail clip, which is arranged on the periphery of the groove; a nail-pushing block, the end section of which is U-shaped and which is connected with the gun body via an elastomer in order to push the nails to move in the direction of the head of the nail gun; two sides of the groove are respectively enclosed by the nail clip, in order to form a first accommodation groove and a second accommodation groove for accommodating the nails to pass through, and the sidewalls of the accommodation grooves are oppositely provided with protrusions for defining the head of nails; a positioning block fixedly connected to the nail clip is arranged above the groove, and the bottom of the positioning block is matched with the top of the groove to define the position of the U-shaped nail; and the side of the positioning block is matched with the nail clip to form the inner side of the first accommodation groove. The three-in-one nail gun nail-box unit has the advantage of being capable of adapting to F-shaped nails, U-shaped nails and T-shaped nails simultaneously, and wide range of use.