44results about How to "Reliable stitching" patented technology

The invention discloses an electric bicycle umbrella comprising a supporting rod and a foldable umbrella, wherein the supporting rod comprises a horizontal section and a vertical section which are connected in a circular arc mode; the lower end of the vertical section is fixed on the steel tube handle of the electric bicycle, the umbrella rod of the foldable umbrella is fixed on the end of the horizontal section of the supporting rod, and an included angle of the horizontal section and the vertical section of the supporting rod is 75-85 degrees; the horizontal section is parallel to the line of two rearview mirrors on the upper part of an instrument panel; the lower end of the vertical section is an arc-shaped tile of which one side is provided with an arc-shaped piece matched with the arc-shaped tile; and an included angle between the central line of a cylinder combined by the arc-shaped tile and the arc-shaped piece and the horizontal section of the supporting rod is 20-30 degrees. The invention has the advantages of simple structure and high strength, is convenient in installation, is safe to use, is firm and durable and is convenient to carry and store; all parts and the dip angle of the umbrella rod can be regulated; an umbrella bead and an umbrella cover are tightly sewn, and the umbrella bead has small possibility of scraping people; the umbrella cover is freely folded and unfolded, a lengthening skeleton is raised to prevent a person sitting on the back seat from knocking the head; and the umbrella bead does not separate from the cover skeleton.

The invention relates to the field of medical instruments, in particular to a suture device for assisting a suture of an endoscope surgery wound. The suture device comprises a puncture needle and a rod-shaped body matched with an endoscope hole. The end of the puncture needle is provided with a clamping port for clamping the suture. The bottom of the rod-shaped body is provided with a peritoneal positioning device, and the peritoneal positioning device is provided with a limiting slot. The suture device also comprises a clamping mechanism and a limiting mechanism. The two ends of at least onesuture are detachably connected to the clamping mechanism, and the middle portion of at least one suture is detachably connected to the limiting slot. At least one limiting mechanism is slidably arranged in the through slot penetrating the rod-shaped body. The limiting mechanism is provided with at least one guiding hole, and the puncture needle is moved along the guiding hole. The clamping port enters the limiting slot, and the limiting mechanism is moved along the through slot. The position of the clamping port entering the limiting slot is changed, and the limiting mechanism can be moved according to the thickness of the abdominal cavity wall to change the lead-out position of the suture, so that the wound is sutured more stably and the recovery is faster.

This aims to reduce a problem that a metal wire joined integrally to a hole formed in the root end face of a medical suture needle is liable to break. A suture needle (A) comprises a stop hole (5) formed in a root end face (3) for joining the end portion of a wire (10) by inserting and caulking the same, and a counter bore (6) formed on the side of the root end face (3) of the stop hole (5) and having a larger size (D) at least on the root end face (3) than the size (d) of the stop hole (5) and a smaller depth (L) than that of the caulking portion of the stop hole (5). The wired suture needle joins the wire (10) integrally by inserting the end portion of the wire (10) into the stop hole (5) and by caulking the outer circumference corresponding to the stop hole (5).

A clothing, in particular a drying screen (1), for a machine for producing a fibrous web such as a paper web or cardboard web, is designed as a textile sheet element made of yarns that cross each other substantially at right angles, which yarns are oriented substantially in a machine direction (MD) and in an machine transverse direction (CMD), wherein the sheet element has two edges (4) oriented in the machine direction (MD) and two edges (5) oriented in the machine transverse direction (CMD), and wherein the clothing (1) can be joined together in the machine to form a continuous belt by means of seam elements (6), which are formed by the MD yarns or detachably or undetachably connected to the MD yarns at the edges (5) oriented in the machine transverse direction (CMD). The clothing (1) is calendered by the input of energy only in border regions (7) that extend along the edges (4) oriented in the machine direction (MD) and / or along the edges (5) oriented in the machine transverse direction (CMD), whereby in the border regions the MD threads are welded to the CMD threads and the thickness and / or permeability of the clothing (1) is reduced.

The invention discloses a sewing method of a machine-washable suit, which belongs to the field of suit production. The method is characterized in that the suit is sewn by fabric with wool shrink-prooftreatment and matched lining accessories. The method comprises the following steps of: A, respectively forming a plurality of water permeable holes in the bottom edge of the suit and the oxter of theback of the suit; B, after the garment pieces are sewn, performing shrink-proof and anti-falling treatment on the seams; C, performing upper and lower cutting sewing head locking treatment on the cutting sewing part of a hand towel bag; D, opening the bag firstly and then seaming the bag cover between the upper opening line and the lower opening line in the body bag cover process treatment; E, according to suit collar operation requirements, splicing the collar strip upper opening parting stitching open threads, and thoroughly stitching collar strip lower opening stitching open threads aftercollar installation; and F, sewing a fixed sewing open thread on the garment product along the front collar band. Compared with the prior art, the sewing method of the machine-washable suit has the advantages that the machine-washable performance of the suit can be greatly improved, and the sewing method has good popularization and application value.

The invention discloses a portable plate sewing machine and a usage method thereof. The portable plate sewing machine comprises a guide mechanism, a work wheel set, a guide-in plate and a locking mechanism. An installation seat and the guide mechanism are connected through a sliding block, thereby being stable in transmission and reliable in work. Through matching of the work wheel set, sewing can be conducted stably with high quality when the portable plate sewing machine works. Through the locking mechanism, the portable plate sewing machine can be self-adaptive to plates with different thicknesses while the portable plate sewing machine clamps a turned edge tightly very well. The connection structure, the locking structure and the guide structure of the portable plate sewing machine are very compact and reliable, so that the portable plate sewing machine is small in size, low in weight and good in sewing quality. The portable plate sewing machine is used for sewing of the plates.

The invention discloses an anastomosis assembly. The anastomosis assembly comprises a plurality of nail bodies made of a high polymer material and a plurality of nail sleeves which are made of a highpolymer material and matched with the nail bodies in number and position; the nail body comprises a nail head, and each nail head is connected with the adjacent nail head through a macromolecule lineto form a net structure; a nail rod is positioned below the nail head; the nail foot is provided with one or more stages of inverted teeth, and the end part of the nail foot is pointed; moreover, thenail sleeve is provided with a through hole corresponding to the nail foot in shape and size so that the nail foot can be clamped into the through hole, the nail sleeve is provided with one or more levels of gears corresponding to the inverted teeth of the nail foot, and the distance between the nail foot and the nail sleeve can be adjusted through clamping connection between the one or more levels of inverted teeth and the one or more levels of gears. The anastomosis assembly can be absorbed by a human body, the strength is high, the stability is good, and the nailing height can be adjusted according to the height of tissue so as to solve the problems of tissue bleeding and blood supply after nailing.

The invention discloses a sandwich structure composite material preform sewing head with a pre-puncturing function, and belongs to the technical field of sewing devices. The sandwich structure composite material preform sewing head comprises a pre-puncturing mechanism, a sewing mechanism, a swinging mechanism and a presser foot mechanism, wherein the pre-puncturing mechanism drives a pre-puncturing crank disc to drive a pre-puncturing needle to realize pre-puncturing action by virtue of a servo motor and a speed reducer; the sewing mechanism drives a sewing crank disc to drive a sewing needleto realize sewing action by virtue of a servo motor; the pre-puncturing mechanism and the sewing mechanism are mounted on a swinging plate; the swinging mechanism pushes the swinging plate by virtue of an aluminum tube cylinder to realize replacement action of the pre-puncturing needle and the sewing needle; the presser foot mechanism drives a ball screw by virtue of a servo motor to drive a standard cylinder to horizontally move; and the cylinder drives a presser foot to move up and down. The sandwich structure composite material preform sewing head is compact in structure, realizes automaticsewing of a sandwich structure composite material, and improves production efficiency and product consistency.

The invention provides an automatic one-time all-steel forming machine which comprises a main unit and an auxiliary unit.The main unit comprises a tire body drum, a belt drum and a forming drum, the belt drum is arranged between the tire body drum and the forming drum, centers of the tire body drum, the forming drum and the belt drum are positioned on a same straight line, transferring rings are arranged by taking the straight line as a center line, and tire bodies reciprocate through the transferring rings.The auxiliary unit comprises a main feeding frame, a belt feeding frame and a tread feeding frame, the main feeding frame, the belt feeding frame and the tread feeding frame are connected to the tire body drum, the belt drum and the forming drum respectively, and the belt feeding frame and the tread feeding frame are positioned on the same side of the belt drum.The automatic one-time all-steel forming machine is high in production efficiency, and overall output per manshift is more than 170 and reaches a domestic leading and international advanced level; the machine is high in automation degree, the tire body drum and the belt drum only require one operator, full-automatic forming is realized at the forming drum, high product quality is achieved, and the automatic one-time all-steel forming machine is widely applicable to forming procedures of all-steel-cord radial tires.

The invention provides a transverse intracavity stitching instrument with a sealing structure. The stitching instrument comprises an end executor, a connecting outer tube and a driving assembly at least partially arranged in the connecting outer tube, and is characterized in that the end executor comprises a nail bin shell, a stitching nail and a nail pushing block; the driving assembly comprisesa driving push rod and a driving shell; the driving push rod is used for driving the nail pushing block to push the stitching nail upwards; the driving shell is used for driving the nail bin shell; the near end of the driving shell is connected with a hollow driving connecting rod, and the driving push rod sequentially penetrates through an inner cavity of the hollow driving connecting rod and aninner cavity of the driving shell; a first sealing ring is arranged between the driving push rod and the hollow driving connecting rod; and a second sealing ring is arranged between the hollow drivingconnecting rod and the connecting outer pipe. The driving mechanism of the transverse stitching instrument is improved to be connected and driven by adopting a cylindrical element, and a sealing device is correspondingly arranged at the key part, so that the transmission is not influenced, the sealing property can be ensured, and the transverse stitching instrument is suitable for endoscopic surgery and the air leakage condition in the surgery process is prevented.

The invention relates to a handheld assembly of an electric surgical instrument and the electric surgical instrument. The handheld assembly of the electric surgical instrument comprises a power assembly, a driving assembly, a switching assembly, a first power output assembly, a second power output assembly, a control circuit and a casing part, wherein the switching assembly comprises a shaft, a first gear, a second motor, a transmission rod and a switching meshing part; and the switching meshing part enables the switching assembly to be in a first output mode or a second output mode. The handheld assembly of the electric surgical instrument realizes swing rotation, occlusion and percussion of a screw bin assembly through a first motor with high power. The complexity of the structure of theelectric surgical instrument is reduced and the cost is saved. Meanwhile, the output modes are switched through a second motor with low power, and an insurance structure for preventing mis-percussionis formed by setting an initial driving state.

The invention discloses a circular anastomosis ring. The anastomosis ring comprises an anastomosis ring body, the anastomosis ring body is sequentially divided into a suturing nail, a lower rubber ring and an upper rubber ring from bottom to top, a plurality of elastic sheets are arranged between the suturing nail and the lower rubber ring, the suturing nail comprises a supporting ring, a plurality of long nails are arranged at the top end of the supporting ring, and the long nails are evenly distributed around the circle center of the supporting ring. The adaptability of the suturing nail tothe uneven thickness of sutured tissue is improved, suturing safety is guaranteed, the problem that titanium nails are left in a human body and stimulated by foreign matter is solved, residues are reduced, healing is promoted, and medical cost is reduced.

The invention belongs to the technical field of slope protection, and particularly relates to a hexagonal block slope protection brick, a slope protection assembly applying the same and a slope protection system. The lower part of one side surface of a block body of the hexagonal block slope protection brick protrudes outwards to form a lower protrusion, the upper part of the lower protrusion correspondingly forms an upper inserting groove, the lower part of the other side surface adjacent to the side surface is recessed inwards to enable the upper part of the side surface to form an upper eave, and the lower part, recessed inwards, below the upper eave correspondingly forms a lower inserting groove; the upper eave or the lower protrusion is arranged on the opposite surface of the side surface where the lower protrusion is located, and the lower protrusion or the upper eave is arranged on the opposite surface of the side surface where the upper eave is located; and the groove length directions of the lower inserting groove and the upper inserting groove extend in the side length direction of the side where the current inserting groove of a parallel hexagon is located. Every two adjacent hexagonal block slope protection bricks can be combined to form the slope protection assembly, and all the slope protection assemblies can be combined to form the slope protection system. According to the hexagonal block slope protection brick, the slope protection assembly applying the same and the slope protection system, through the cooperation between the hexagonal block slope protectionbricks, the anti-sinking, anti-warping, anti-sliding and anti-scouring functions of the hexagonal block slope protection brick, the slope protection assembly and even the whole slope protection system are realized.

The invention provides a nail cartridge for an intracavity cutting anastomat, and the nail cartridge for the intracavity cutting anastomat solves the technical problems of poor anastomosis effect, more bleeding and high surgery risk in the existing ail cartridge for the intracavity cutting anastomat; the nail cartridge for the intracavity cutting anastomat is provided with a nail cartridge body, the nail cartridge body is provided with a cutting slot and suture nail slots, the nail cartridge body is also provided with a first tissue contacting surface and a second tissue contacting surface, wherein the first tissue contacting surface is located in the middle of the nail cartridge body in transverse direction, the second tissue contacting surface is located on the outside of the first tissue contacting surface; the second tissue contacting surface is higher than the first tissue contacting surface by 0.35mm, the suture nail slots are arranged in the first tissue contacting surface and the second tissue contacting surface, and the nail cartridge for the intracavity cutting anastomat can be widely used for intracavity cutting anastomats.

The invention relates to the technical field of stitching instruments, and discloses an automatic stitching instrument and a using method thereof. The automatic stitching instrument comprises a body,a control grip is fixedly connected to the right side face of the body, I-shaped sliding rails are fixedly connected to the left sides of the front face and the back face of the body, and rectangularsliding blocks are connected to the outer surfaces of the I-shaped sliding rails in a sleeving mode; and the left side faces of the rectangular sliding blocks are fixedly connected with L-shaped fixing supports, and the inner side faces of the L-shaped fixing supports are fixedly connected with rectangular fixing clamping blocks. According to the automatic stitching instrument, by arranging a second motor, a first circular gear, a second circular gear, a cam, a second transmission rod, a second constant-force spring and a first circular sliding groove, second transmission shafts on the front side and the rear side drive transmission plates on the front side and the rear side to do reciprocating motion with the circle centers of first fixing shafts on the front side and the rear side as thecenters, so that a suture needle can suture skin at a wound conveniently and effectively, the use is convenient, and the wound suture efficiency is greatly improved.

The invention relates to a single-motor electric surgical instrument hand-held assembly and an electric surgical instrument. The single-motor electric surgical instrument hand-held assembly comprises:a power supply module, a driving module, a switching module, a first power output module, a second power output module, a control circuit and a housing part. The switching module can be meshed with the driving module to obtain power input, the switching module comprises a shaft, a first gear and an output switching part, the first gear is arranged on the shaft, and is meshed with a driving gear of the driving module, the output switching part is coupled with the first gear, the switching module is meshed with the driving gear of the driving module, and the switching module can be in a first output mode or a second output mode by shifting the output switching part. According to the invention, the structural complexity of the electric surgical instrument is reduced and the cost is saved. Meanwhile, through setting an initial driving state, a safety structure for preventing false triggering is formed.

The invention discloses a nail bin assembly of a linear anastomat. Three rows of upper nail cavities and three rows of lower nail cavities are distributed on the upper half portion and the lower halfportion of a nail bin in a staggered mode. Therefore, the maximum force borne by nail pushing particles inserted into the nail cavities in the nail forming process is mutually staggered; the first nail pushing particles are inserted into the first row of nail cavities and the second row of nail cavities at the same time; the second nail pushing particles are inserted into the third row of nail cavities; the gradient of the first inclined surface used for pushing the first nail pushing particles is smaller than that of the second inclined surface used for pushing the second nail pushing particles; therefore, under the condition of generating the same upward thrust, the thrust can be ensured to be uniform; the forward pushing force of the nail pushing block is small; besides, the highest points of the first inclined surface and the second inclined surface on the nail pushing block are staggered; the time for the first nail pushing particle and the second nail pushing particle to reach the highest point can be staggered, the situation that three rows of suturing nails reach the highest point at the same time is avoided, and therefore thrust needed by the nail pushing block is furtherreduced, the whole suturing process is more stable, surgical fatigue of doctors is relieved, and the suturing effect is optimized.

The invention relates to a variable-section engine body stitching bolt structure. The variable-section engine body stitching bolt structure comprises a bolt locking sleeve, a variable-section screw, an upper crankcase and a lower crankcase. The bolt locking sleeve is provided with an inner hexagonal nut, a polished shaft assembled with the upper crankcase and a threaded blind hole. The variable-section screw is provided with an upper outer thread, a lower outer thread, a small-diameter polished rod, a large-diameter polished rod, clamping faces, transition arcs and transition fillets. A variable-section through hole is formed in the upper crankcase, and a threaded blind hole is formed in the lower crankcase. The variable-section screw is tightly screwed and assembled on the lower crankcase through a thread. The upper crankcase is installed on the lower crankcase so that the variable-section screw can be put in the through hole of the upper crankcase. The bolt locking sleeve is assembled in the through hole of the upper crankcase and is tightly screwed with the variable-section screw rod through a thread. By means of the variable-section engine body stitching bolt structure, reliability of an engine body can be obviously improved on the premise that structural arrangement of the engine body is met.

The invention relates to a tea bag using purely natural plant materials as main materials and a preparation method of the tea bag. The making method comprises the steps of selecting plant materials which are beneficial for human bodies and can be drunk after being soaked, including plant leaves, stems and rods, roots, flowers, bark, shells, peel, plant fibers and the like, using the materials as main materials, performing packing and loading of tea materials, to make the tea bag, and within the soaking of the tea bag, the inner part and the outer part are integral, and separation is avoided. The inner part and the outer part of the tea bag are beneficial substances which can be drunk when being soaked. In the making process, the tea material can sufficiently adsorb natural fragrance of theleaves, the flowers, the stems and rods, the shells, the bark and the like, and as a whole, the tea bag can be soaked. The inner part and the outer part are merged into a whole, and the fragrance isrich. The tea bag not only has functions of packing and filtering, is convenient, hygienic, natural, environmental-friendly, nutritive and healthy, and is a genuine original tea bag.

The invention discloses a deep soft tissue stitching instrument. The deep soft tissue stitching instrument comprises a structure that a long-handle trigger, a short-handle trigger and a needle tube sleeve are arranged in a shell, a straight needle and a curved needle are arranged in the needle tube sleeve, and an ejector needle is arranged in the curved needle; the long-handle trigger is adopted to control the straight needle to be in place; the ejector needle in the curved needle is controlled by the short-handle trigger to enable a guide body to penetrate through an needle eye in the needle head of the straight needle, a suture line enters from one side of a soft tissue incision and is led out from the other side of the soft tissue incision in two steps, the suture process is more accurate, suture is more reliable, and the defect that the accuracy rate is low because an original handle touches the suture line twice, is overcome. The deep soft tissue stitching instrument has the advantages of being simple in structure, convenient to operate and good in deep soft tissue incision anastomosis effect.

The invention relates to the technical field of gloves, and discloses a PE glove manufacturing device. The device includes: a box body, on which a hand insertion port or a box cover is arranged; The membrane assembly and the lower pressing membrane assembly, the upper pressing membrane assembly and the lower pressing membrane assembly are fixed in the box, and are respectively provided with: a matching upper palm model and a lower palm model; a lifting mechanism, which is arranged in the box, The upper pressing film assembly is fixedly connected with it, and is used to drive the upper pressing film assembly in the pressing film mechanism to lift up and down; and the control mechanism, which includes: a controller, and the first photoelectric sensor and the first photoelectric sensor respectively arranged on the upper palm model and the lower palm model. Two photoelectric sensors, the controller is used to control the first photoelectric sensor, the second photoelectric sensor, the lifting mechanism, the upper pressing film assembly and the lower pressing film assembly. The device of the present invention can be used and manufactured immediately, not only avoiding the problem of storage, but also avoiding the pollution caused by the storage process.

The invention discloses an endoscope lower driving device anastomat capable of avoiding suture position deviation, which comprises a gun body assembly, one end of the gun body assembly is movably provided with a connecting protection arm, the other end of the gun body assembly is provided with a mounting assembly, one end, far away from the gun body assembly, of the mounting assembly is provided with a rotating assembly, and the mounting assembly is matched with the rotating assembly. A limiting pipe is arranged in the gun body assembly, a mounting pipe is arranged at one end of the limiting pipe and matched with the rotating assembly, an anastomosis module is arranged at the end, away from the rotating assembly, of the mounting pipe, and a movable handle is arranged at the bottom of the gun body assembly and matched with the limiting pipe. By arranging the gun body assembly and utilizing the cooperation of the gun body assembly and the connecting protection arm, when a doctor performs an operation, the influence on the wrist is greatly reduced, the situation that the hand shakes due to the long-time operation is avoided, and meanwhile the situation that the suture position deviates is reduced through the cooperation of the rotating assembly and the mounting assembly.

The invention relates to a motor-driven surgery instrument handheld assembly and a motor-driven surgery instrument. The motor-driven surgery instrument handheld assembly comprises a power source assembly, a driving assembly, a switching assembly, a first power output assembly, a second power output assembly, a control circuit and a housing part, wherein the switching assembly comprises an output switching part with a motor; the output switching part can enable the switching assembly to be in a first output mode or a second output mode. According to the motor-driven surgery instrument handheldassembly disclosed by the invention, swing rotating, closing and firing of a nail bin assembly are realized through a first motor, the complex degree of the structure of the motor-driven surgery instrument is reduced, and the cost is saved; and besides, the switching of output modes is realized through a second motor, and an initial driving state can be set, so that an insurance structure for preventing wrongly firing is formed.

The invention relates to the technical field of medical instruments, and discloses an abdominal cavity puncture stitching instrument which comprises a puncture tube sheath and a stitching assembly, the puncture tube sheath is in a hollow sleeve shape, and the stitching assembly is rotatably buried in the side wall of the puncture tube sheath. Further, the suturing assembly comprises at least two puncture needle tubes and two puncture needles, an axial needle tube channel is arranged between the inner wall and the outer wall of the puncture tube sheath, the two puncture needle tubes are symmetrically arranged in the needle tube channel, the upper ends of the puncture needle tubes upwards penetrate out of the needle tube channel to be connected with a handle, and the lower ends of the puncture needle tubes upwards penetrate out of the needle tube channel to be connected with the handle. The lower end of the puncture needle tube penetrates out of the needle tube channel to be connected with a needle arm, the needle arm is in an arc shape coaxial with the puncture tube sheath, the other end of the needle arm is connected with a puncture needle, and the puncture needle is axially parallel to the puncture tube sheath. The device integrates the functions of puncturing and suturing, is ingenious and simple in structure, sutures from inside to outside, and is safer and firmer in suturing; when the puncture tube sheath is pulled out, suture of a puncture hole is completed, trauma is small, and operation is convenient.

The invention discloses a pincher-shaped extrusion stitching nail type meniscus front-rear corner stitching instrument, relating to a meniscus front-rear corner stitching apparatus which can be used for tissue stitching in narrow gaps, and belonging to the field of medical apparatuses. The stitching instrument is pincher-shaped; an extrusion stem with a spring is connected on the inner side of a handle; a closed piston is arranged at the top end of the extrusion stem and is positioned in a three-way type hydraulic tube; and the three-way type hydraulic tube is a closed device which is fully filled with a working medium. A push rod with a piston is arranged at the other outlet of the three-way type hydraulic tube and passes through a center pivot, and a stitching nail fixing plate is arranged at the top end of the push rod and can be used for fixing staple-shaped meniscus stitching nails. The tips of pincher mouths are oppositely bent for 90 degrees to form a baffle plate, and are provided with stitching nail guide grooves. The handle pressure of the pincher-shaped extrusion stitching nail type meniscus front-rear corner stitching instrument is transferred through hydraulic pressure to drive the push rod to move forwards so as to push and squeeze a meniscus stitching nail to the baffle plate, and then the meniscus stitching nail is bent along the guide grooves, so that the aim of stitching a meniscus split is achieved.

The invention discloses a portable plate sewing machine and a usage method thereof. The portable plate sewing machine comprises a guide mechanism, a work wheel set, a guide-in plate and a locking mechanism. An installation seat and the guide mechanism are connected through a sliding block, thereby being stable in transmission and reliable in work. Through matching of the work wheel set, sewing can be conducted stably with high quality when the portable plate sewing machine works. Through the locking mechanism, the portable plate sewing machine can be self-adaptive to plates with different thicknesses while the portable plate sewing machine clamps a turned edge tightly very well. The connection structure, the locking structure and the guide structure of the portable plate sewing machine are very compact and reliable, so that the portable plate sewing machine is small in size, low in weight and good in sewing quality. The portable plate sewing machine is used for sewing of the plates.