319 results about "Needle holder" patented technology

The present invention discloses a traditional Chinese medicine microneedle positioning negative pressure desilting device and method for treating vascular stasis, which relates to the field of medical equipment technology. The device comprises a fixing base and a negative pressure cup, wherein the negative pressure cup is detachably mounted on the fixing base, and the fixing base is provided with two vacuum pumps for communicating with the negative pressure cup. The negative pressure cup comprises an outer cup, an inner cup, and a needle holder. The outer cup is sleeved on the outside of the inner cup and is opened downward. A first chamber is formed between the outer cup and the inner cup, and a second chamber is formed inside the inner cup. A cushion is provided between the outer cup and the inner cup port. The needle holder is located above the negative pressure cup, and a microneedle body is provided inside the needle holder. The microneedle body is driven downward to extend and retract by a telescopic mechanism. An outer connecting pipe and an inner connecting pipe are provided above the side walls of the outer cup and the inner cup, respectively, which are connected to the interface ends of the two vacuum pumps. The present invention can significantly reduce the incidence of pain and bruises in patients, improve the efficiency of desilting and the safety of use, and shorten the medical operation time, thus having significant clinical and industrial value.

The application provides a suturing mechanism and a biological tissue closure device, the suturing mechanism comprising a base, a needle holder, a suturing needle, a first driving assembly and a second driving assembly; the needle holder is rotationally connected with the base, the first driving assembly is connected with the needle holder and can drive the needle holder to rotate relative to the base to an open state or a closed state; the side of the needle holder away from the base has a boss, the inner contour of the boss matches the outer contour of the suturing needle, and is used for providing a motion track for the suturing needle; at least a part of the second driving assembly can abut against the suturing needle and can self-rotate relative to the axial direction of itself, so as to drive the suturing needle to move along the motion track. The application can realize the closure of various sizes of objects to be closed (for example, a blood vessel wound), and can realize multiple needle penetrating actions through one intervention, so that a better closure effect can be achieved.

The utility model discloses a sewing mechanism for sewing a zipper and cutting a base fabric. The sewing mechanism comprises a needle plate, wherein the needle plate is provided with a containing groove used for containing and guiding a zipper head to move transversely and two containing holes formed in the front side and the rear side of the containing groove; the upper end of the cloth feeding frame is provided with two cloth feeding blocks, the tops of the cloth feeding blocks are provided with cloth feeding teeth, and the two cloth feeding blocks correspondingly extend into the two containing holes; the first presser foot frame is provided with two inner presser feet, and the two inner presser feet are correspondingly arranged above the two cloth feeding blocks; two machine needles are mounted on the machine needle seat, and the two machine needles correspond to the first through holes in the two inner presser feet and the second through holes in the two cloth feeding blocks up and down correspondingly; the slotting cutter is arranged above the containing groove and connected with a driving assembly driving the slotting cutter to move up and down, and when the driving assembly drives the slotting cutter to move downwards, the slotting cutter can stretch into the containing groove. According to the technical scheme, the zipper head does not need to be taken down when the zipper and the base cloth are sewn, the sewing speed of the base cloth and the zipper is increased, and the processing efficiency is improved.

An automated system that can be used for prosthetic heart valve manufacturing or suturing procedures. The system includes automated fixtures that maneuver a needle and a target device. The automated fixtures can be suturing arms, target device holders, needle transfer fixtures, and / or needle holders. The automated fixtures can rotate a target device held by the holder to allow one or more additional automated fixtures to perform operations such as form sutures on the target device without intervention of a human operator. The system can include a display system configured to display status information of a suturing procedure.

This invention discloses a blood collection device, relating to the field of medical device technology. The blood collection device includes: a protective shell, the interior of which is hollow to form a receiving chamber; a first opening at one end of the protective shell communicating with the receiving chamber; a second opening on the side wall of the protective shell near the first opening, also communicating with the receiving chamber, and a pressing part at the second opening; a blood collection assembly including: a needle holder, connected to the inner wall of the receiving chamber away from the first opening via an elastic element; a trigger part on the side wall of the needle holder; a blood collection needle disposed on the needle holder with its tip adjacent to the first opening; when the pressing part pushes the trigger part to completely separate from the side wall of the second opening, the accumulated elastic force of the elastic element pushes the tip of the blood collection needle out of the first opening to complete the blood collection operation; when the elastic element returns to its natural state through its own force, the blood collection needle is retracted into the receiving chamber. This reduces pain and the risk of accidental needle pricks, improving the safety and reliability of the blood collection device.

A vein puncture needle is arranged at one end of a needle seat, a bottle inserting end puncture needle is arranged at the other end of the needle seat, a needle tip of the bottle inserting end puncture needle is bent towards the axis direction of the needle tip, a rubber sleeve is sleeved outside the bottle inserting end puncture needle, and a vein puncture needle cap is sleeved outside the vein puncture needle. And an intubation needle cap is sleeved outside the bottle-inserting end puncture needle and the rubber sleeve. The puncture needle has the advantages that the protective rubber sleeve is independently arranged outside the puncture needle at the bottle inserting end, the protective caps are independently arranged outside the vein puncture needle and the puncture needle at the bottle inserting end, the protective caps are used for protecting the sterilized and disinfected double-end needle tube from being polluted, the needle point of the puncture needle at the bottle inserting end is designed to be of an inwards-bent structure, and the puncture needle is convenient to use. In the puncture process of the bottle inserting end, the needle point of the puncture needle at the bottle inserting end can be prevented from penetrating out of the side face of the rubber sleeve to cause blood leakage.

The utility model relates to a temporal muscle suturing and fixing device for neurosurgery, which is characterized in that at least one suturing line is connected onto a screw, and the other end of each suturing line is connected with a suturing needle. The device has the beneficial effects that the screw is directly fixed on the skull; the needle holder is provided with a suture needle to suture temporalis, and the suture needle is removed; the thread on one side of the screw and the thread on the other side of the temporalis can be knotted, fixation after the temporalis is cut open in a neurosurgery operation can be effectively completed, poor fixation of the temporalis is avoided, temporalis atrophy of a patient after an operation is avoided, psychological stress brought to the patient due to unattractive appearance caused by amyotrophy on one side after the operation is avoided, the design is simple and practical, and practicability is high. The device can be popularized to be used in various intracranial operations.

The needle holder for the acupuncture needle comprises a needle holding head, rotating holes are formed in the upper end and the lower end of the needle holding head, rotating pincers are rotationally connected into the rotating holes through torque springs, and movable pieces are arranged on the surfaces of the rotating pincers. According to the needle holder for the acupuncture needle, through comprehensive arrangement of the elastic abutting mechanism and the handheld mechanism, when the needle holder is used, four fingers penetrate through a handheld handle part, one end of a thumb and a palm hold a grip strength handle, and when the palm is opened, the handheld handle part rotates to drive a limiting piece, an abutting rod and a rotating clamp to move synchronously, so that the rotating clamp is opened and closed to a proper angle; after the acupuncture needle is clamped, the acupuncture needle is tightly held with force, the handheld handle piece rotates reversely and drives the limiting piece, the abutting rod and the rotating clamp to move synchronously, the rotating clamp is matched with the fixed clamp to clamp the acupuncture needle, and therefore the clamping force on the acupuncture needle is increased, and the clamping stability is improved.

The invention belongs to the technical field of medical equipment, and particularly relates to a blood taking needle assembling system which comprises a machine base and further comprises a feeding device used for conveying clamp tools and a plurality of clamp tools which are provided with a plurality of clamping positions used for assembling blood taking needles. The grab handle mounting device is used for clamping the grab handle in the clamping position of the clamp tool; the catheter mounting device penetrates a catheter into the grab handle; the code spraying calibration device is used for spraying and printing codes at the two ends of the guide pipe; the flow stopping clamp mounting device is used for mounting a flow stopping clamp; the puncture needle seat mounting device is used for adhering a puncture needle seat; the needle core mounting device is used for adhering the needle core to the second tube end of the catheter; the anti-blocking detection device is used for blowing air to the guide pipe for detection; the spring mounting device is used for mounting a spring; the needle mounting device is used for mounting a puncture needle or a threaded puncture needle; the butterfly wing mounting device is used for mounting butterfly wings; the accessory mounting device is used for mounting a rear cover or a needle holder; and the crimping device is used for crimping the butterfly wing panel and the grab handle.

A surgical instrument is connectable to a bone anchor insertion device having a drive shaft that defines a coaxial channel for receiving a needle therethrough. The instrument includes a handle portion configured to be coupled to the drive shaft in a rotationally fixed manner to transmit torque to the drive shaft, a needle holder configured to hold a needle and movable axially relative to the handle portion, an actuator rotatable relative to the handle portion, and a transmission member connectable to the needle holder and movable axially relative to the actuator and comprising a first advancement surface engageable with a second advancement surface of the handle portion to convert rotational movement of the actuator into axial movement of the needle holder relative to the handle portion for axially advancing and retracting a needle held by the needle holder relative to the handle portion.

The invention discloses a puncture needle for improving the safety and isolation effect of artificial ascites puncture. The puncture needle comprises a hose, a rubber plug, a communicating pipe, a needle body, a needle holding handle and a butterfly wing fixator. The hose is of a venous indwelling needle structure, and the rubber plug is fixedly connected to one end of the hose. The communicating pipe is communicated with the other end of the hose to form a medicine conveying channel. The needle body comprises a steel needle and a soft sleeve wrapping the periphery of the steel needle, the needle holding handle is detachably connected with the needle body, and an isolation plug is arranged in the needle holding handle. And the isolation plug is pulled out together with the steel needle when the needle holding handle is pulled out so as to cover and protect the steel needle. The butterfly wing fixator is arranged at the joint of the needle holding handle and the needle body and comprises a butterfly wing piece and a hydrophilic gel pad fixed to the contact face of the butterfly wing piece and the human skin. The puncture safety in liver cancer ablation treatment is remarkably improved, the risks of mistaken puncture and inaccurate puncture depth are reduced, damage to surrounding important organs and blood vessels is reduced, and the safety and effectiveness of treatment are improved.

The invention discloses a manual non-floating-scratching non-invasive transdermal accurate introduction eyebrow tattooing device and a use method, and belongs to the technical field of beauty tattooing. The device comprises an angle limiting needle holder, a disposable sterile bevel tattooing needle piece, a pigment precise supply assembly and a pressure sensing module, an adjustable angle limiting mechanism and a buffer mechanism are arranged in the angle limiting needle holder, the needle piece is provided with depth scale marks, and the pigment precise supply assembly comprises a flow adjusting valve; the use method comprises the five steps of preoperative preparation, eyebrow shape design, non-drift-scratch accurate introduction, pigment permeation regulation and postoperative repair. The beveled needle sheet is adopted and matched with a non-drifting and scratching method, and through precise control, only an epidermis microchannel is formed, the skin is not scratched, and hair follicles are not damaged; noninvasive transdermal pigment introduction is achieved, lines are natural and smooth, the color retention rate is high, the repairing period is greatly shortened, and the method has the advantages of being noninvasive, safe, accurate, controllable, easy to master by a green hand and efficient in operation and is suitable for wide application and popularization.

The utility model provides a central venous catheter assembly, which comprises a puncture needle, a central venous catheter, a central venous catheter and a central venous catheter, the puncture needle is sleeved with the catheter, and the needle tip of the puncture needle is exposed out of the front end of the catheter; the blood stop valve is arranged at the rear end of the catheter, the blood stop valve is connected with a branch pipe, the branch pipe is provided with a Robert clamp, and a three-way connector is arranged at the tail end of the branch pipe; the standard Luer taper is connected to the tail end of the puncture needle, the standard Luer taper is connected with the blood stop valve, and the standard Luer taper is connected with an external injector or a plug; the needle holder is arranged on the catheter and used for clamping the catheter in the catheter pushing process; and the sensor module is arranged on the catheter and is used for monitoring the physical sign data, processing the physical sign data, comparing the processed physical sign data with a standard threshold value, and generating a warning signal when a preset threshold value is reached. According to the utility model, whether the catheter displaces or leaks liquid can be monitored in real time, so that a clinician can find complications caused by catheter displacement as soon as possible.

The utility model relates to the technical field of medical instruments, and provides an eyeball surface flushing unit and a flusher, the flushing unit comprises a needle seat and a hollow needle tube, the needle tube comprises a flushing end and a connecting end, the connecting end is connected with the needle seat, the cross section of the needle tube is oval or kidney-round, the long axis of the cross section is 1.4-3mm, and the short axis of the cross section is 1.0-2mm. And the end part of the flushing end of the needle tube is blunt and flat. A trumpet-shaped flushing part is arranged at the flushing end of the needle tube, and a flushing opening of the flushing part is oval or kidney-shaped. And the length of the needle tube is 3-5cm. The needle tube has the advantages that the size of the hole of the needle tube is larger than that of a traditional needle tube, water flow is thicker, compared with traditional thin water flow, the impact force of the water flow is smaller, the situation that the water flow is splashed to pollute the full retinoscope and form water drops due to too large impact force of the water flow is avoided, the view of an operator cannot be affected, and smooth operation is guaranteed. In addition, the oval section is combined, water flow is flattened, and the flushing effect is better compared with a circular design.

The utility model relates to the technical field of electronic injector needles, in particular to an electronic injector needle convenient to connect, which comprises a needle cylinder and a driving mechanism, a piston is arranged in the needle cylinder, a push rod is fixedly connected to the right end of the piston, the left end of the needle cylinder is communicated with a connector, the outer wall of the connector is sleeved with a needle seat, and the left end of the needle seat is communicated with a needle body. The inner wall of the needle seat is fixedly connected with an annular ring; the twisting block is rotated, so that the spherical limiting block enters the groove and upwards extrudes the pressed plate, the needle base and the needle head can be prevented from moving leftwards, due to the arrangement of the annular sealing gasket, the purposes of preventing liquid medicine from leaking and preventing the needle base from being separated are achieved, and the twisting block is reversely rotated to enable the spherical limiting block to be rapidly separated from the interior of the groove. And the connector is in clearance fit with the inner wall of the needle seat, so that the needle seat and the needle head can be easily taken down, and the purpose of avoiding injury to an operator and other personnel when the needle head and the needle seat are pulled out is further achieved.

The utility model relates to the technical field of insulin injection pens, and discloses an insulin injection pen capable of preventing a needle from being punctured, which comprises an injection pen body and a pen cap, the injection pen body is in threaded connection with a needle seat, the needle seat is fixedly connected with a connecting block, the connecting block is rotatably connected with a first protective shell, and the first protective shell is fixedly connected with the pen cap. According to the insulin injection pen capable of preventing the needle from being punctured, when the insulin injection pen capable of preventing the needle from being punctured is used, injection is conducted or the needle is replaced, the first protective shell and the second protective shell can be opened and closed through the action of pulling the pull ring and the spring, and therefore the insulin injection pen can be used for preventing the needle from being punctured. The needle head is effectively covered and prevented from being exposed, the puncture risk caused by accidental contact of medical staff, patients or other people is greatly reduced, the needle head is replaced by screwing the needle base, the replacement process is simple and rapid, meanwhile, the sealing performance of the needle head is kept, and sanitation and safety of injection are guaranteed.

The invention belongs to the technical field of medical equipment, and particularly relates to anti-jumping needle forceps. In order to solve the problem that in the prior art, needle holding forceps are prone to jumping in the process of adjusting the size of forceps heads, the anti-jumping needle holding forceps are provided and comprise a left rotatable forceps handle, a right rotatable forceps handle, a forceps handle connecting assembly, a pull rod, a movable forceps head and a fixed forceps head. The clamp handle connecting assembly is connected with the pull rod, and the movable left clamp handle and the movable right clamp handle can enable the clamp handle connecting assembly to rotate to generate axial linear motion force on the pull rod in a direct / indirect mode so as to pull the movable clamp head to achieve opening and closing of the clamp head; a pull rod sliding limiting part located on the side, close to the pull rod, of the fixed plier head is arranged, the pull rod is provided with a limiting protrusion, and the limiting protrusion is matched with the pull rod sliding limiting part to enable the pull rod to stably move in the axial direction. The pull rod is prevented from jumping by pressing the outer wall of the pull rod sliding limiting part on the two sides of the limiting protrusion, so that jumping of the forceps head connected with the pull rod is limited, and the stability of adjusting the opening and closing angle of the needle holding forceps head is improved.

The utility model relates to the thread guide lever lock rod mechanism in the field of embroidery machine, including needle holder, needle bar and thread guide lever, be provided with the limiting assembly in needle holder, and the limiting assembly includes lock rod and return piece, be provided with the horizontal first pivot and second pivot in needle holder, a plurality of thread guide levers are installed side by side in the first pivot, and the thread guide lever overturns relative to needle holder with the first pivot as rotation point, a plurality of lock rods are installed side by side in the second pivot, and the lock rod overturns relative to needle holder with the second pivot as rotation point, and the edge of lock rod is provided with the hook, and the surface of thread guide lever is provided with the limiting slot, the hook can be inserted into the limiting slot, and the return piece is set between lock rod and needle holder, and the lock rod overturns towards thread guide lever under the action of return piece, the hook contacts with thread guide lever, and the lock rod in limiting assembly only needs to cover the limiting demand of single thread guide lever, and the length is greatly shortened, avoids the situation that the traditional long limiting strip protrudes equipment main body.

This invention discloses a high-Q dynamic probe for measuring atomic force, comprising a needle holder, a base, a cantilever beam, a needle tip, discrete piezoresistive units, connecting wires, conductive flying wires, and a conductive backing plate. The base and conductive backing plate are located at opposite ends of the needle holder. The cantilever beam extends outward from the base in a direction away from the conductive backing plate. The cantilever beam has a perforated portion. The needle tip is located at the top of the end of the cantilever beam. The discrete piezoresistive units are located at the root of the cantilever beam. The connecting wires are located on the base. The first end of the connecting wire is connected to the discrete piezoresistive units, and the second end of the connecting wire is connected to the conductive backing plate. This high-Q dynamic probe for measuring atomic force has advantages such as improving the yield rate of piezoresistive probes, reducing heat generation, facilitating needle replacement, and increasing measurement sensitivity.

The utility model provides a forceps head assembly of a laparoscope needle holder and the laparoscope needle holder, and belongs to the technical field of medical instruments. In the forceps head assembly of the laparoscope needle holder, a meshing disc is rotationally arranged on a first forceps body, first meshing teeth are evenly distributed on the peripheral wall of the meshing disc, a boss is fixedly arranged on the meshing disc, a needle containing groove is formed in the boss, a second forceps head comprises a second forceps body, the second forceps body is provided with a containing groove, a meshing groove and an avoiding groove, and the containing groove can contain the boss. The receding groove penetrates through the second clamp body in the width direction of the second clamp body, the receding groove and the containing groove are communicated in the thickness direction of the second clamp body, the meshing groove and the receding groove are communicated in the length direction of the second clamp body, second meshing teeth are evenly distributed on the inner side wall of the meshing groove, the second meshing teeth can be meshed with the first meshing teeth, and the connecting piece is connected with the second clamp body. The connecting piece can drive the second plier body to be close to or away from the first plier body. The angle of the suture needle can be adjusted, meanwhile, the stability of the suture needle is guaranteed, and the suture needle is not prone to falling off.

An instrument for use in surgery includes a hollow shaft connectable to a drive shaft of a bone anchor insertion device in a rotationally fixed manner, a needle holder configured to hold a needle and movable axially relative to the hollow shaft, an actuator rotatable relative to the hollow shaft, and a transmission member connectable to the needle holder and movable axially relative to the actuator. The transmission member is positionable around at least part of the hollow shaft and includes a first advancement surface engageable with a second advancement surface of the hollow shaft to convert a rotational movement of the actuator into axial movement of the needle holder relative to the hollow shaft for axially advancing and retracting the needle held by the needle holder.

The utility model provides a kind of probe processing equipment, the probe processing equipment includes a needle holder, a push element and a stop element, the push element and the stop element are located at different heights.The needle holder has an opening, which is configured to secure a probe therein.The push element is disposed on a first bracket positioned on one side of the needle holder, and the stop element is disposed on a second bracket positioned on the other side of the needle holder.During the processing, one end of the push element contacts the probe and applies pressure, thereby causing the probe to bend towards the stop element.

The invention relates to a device for a medical instrument for applying a surgical suture, comprising a base unit (1) to which two jaws (2a, 2b) are pivotably attached, each jaw having at least one needle holder which can be switched between a locking position and a release position in order to releasably hold a needle (3). Provided in the base unit (1) is a hydraulic cylinder (5) with a front piston (6) which is connected to a transmission mechanism which actuates a switching element which switches the needle holder between the locking position and the release position. A rear piston (7) controls the movement of the jaws (2a, 2b).

The invention provides a needle assisting device, a sensor is implanted into a target tissue through percussion, and the needle assisting device comprises a supporting piece, a needle guiding piece, a needle guiding piece, a needle guiding piece and a needle guiding piece, and the near end of the needle guiding piece abuts against the target tissue; the first operating piece is fixed on the supporting piece and moves from a first position to a second position by moving relative to the supporting piece in the far and near direction, so that the needle assisting device is switched from a first state to a second state; the second operation piece is arranged on the supporting piece in a sleeving mode and can receive operation to move relative to the supporting piece in the far and near direction so as to trigger the needle assisting device; wherein in the first state, the relative movement between the second operating piece and the supporting piece is limited, and the percussion of the needle assisting device is limited; and in the second state, the relative movement between the second operating piece and the supporting piece is released from limitation, and the percussion operation of the needle assisting device is allowed, so that the problem that the needle assisting device is easily touched by mistake can be solved.

The utility model relates to the technical field of medical instruments, in particular to a surgical suture needle convenient to exert force in thick and tough skin suture. The pressing part is in a straight line shape or a shape similar to a straight line; the fulcrum part is connected to the front end of the pressing part, and the fulcrum part is in a J shape; the force arm part is connected to the front end of the fulcrum part, and the force arm part is in a linear shape or a linear-like shape; and the needle tip is connected to the front end of the force arm part. The surgical suture needle has the advantages that needle holding forceps can be separated, and manual suture can be achieved; force can be conveniently exerted in the process of suturing the thick and tough skin, and compared with a common needle, the needle holder has great advantages in the process of suturing the skin through needle holding forceps.

The utility model provides a kind of medical handheld device and inner ear dosing device;The medical handheld device includes handheld shell and connector at one end of handheld shell;The connector has the through setting connector inner cavity, and handheld shell has the shell inner cavity being communicated with connector inner cavity;The connector is used for the detachable connection with the needle holder of puncture needle, and the connector inner cavity of connector is used for the sealed insertion of duct, so that, operator only needs to insert puncture needle into inner ear by medical handheld device, direct dosing of inner ear can be carried out, there is only one insertion operation in the whole process, effectively simplify operation process, improve operation convenience.

This application relates to the field of machining technology and discloses a jade drilling device, including a drilling mechanism. The drilling mechanism includes: a needle holder; a drill bit, detachably and fixedly connected to the needle holder; a first rotary motor, the drive end of which is connected to the needle holder; a lifting cylinder, the drive end of which is connected to the fixed end of the first rotary motor; and a cooling component, including a fixing member, a water-conducting member, and a water pump. The fixing member is connected to the fixed end of the first rotary motor, and the first rotary motor passes through the fixing member; the water-conducting member is embedded in the fixing member, the outlet end of the water-conducting member protrudes from the fixing member and is opposite to the drill bit; the inlet end of the water-conducting member is connected to the water pump. This application uses a fixing member to keep the water-conducting member and the drill bit always relatively fixed, avoiding the phenomenon of nozzle spray deviation caused by the movement of the drill bit, ensuring that the nozzle is always aligned with the drilling area, without the need for manual adjustment, and the structural design is highly practical.

The utility model discloses a kind of co-pressing needle holder and multicore connector, including needle holder body, the opposite two sides of needle holder body at least one end extends outward to form buckle;The two sides of needle holder body are provided with a plurality of limit holes that pass through itself corresponding the buckle, plug pin is matched in each limit hole, and the two ends of plug pin respectively extend from the two sides of needle holder body;Wherein, when the connector of the connector of the one end of the wire harness is matched with buckle, the plug pin corresponding to the buckle can be matched and inserted into the connector, so that the connector is electrically connected with the needle holder body.Therefore the utility model can not only extend the length of wire harness, but also make wire harness co-pressing expansion under the prerequisite of not destroying wire harness sheath integrity, so as to improve the versatility, compatibility and expansibility of co-pressing needle holder.

The sewing machine comprises a needle frame and a table body, a sewing mechanism is arranged at the top of the table body, the needle frame is installed on one side of the sewing mechanism, a fixing groove is formed in the top of the table body, a movable part is installed in the fixing groove, the needle frame is located above the movable part, and the movable part comprises a base and a shuttle hook. The shuttle hook is arranged in the base, one side of the base is in sliding fit and rotating fit with a tooth frame, two sets of teeth are arranged at the top end of the tooth frame, the teeth penetrate through the top of the base and correspond to the needle frame, a transmission mechanism is arranged on one side of the base, and a fixing frame is arranged at the bottom of the table body. Through the arrangement of the first rotating rod and the transmission mechanism, when the sewing mechanism is used for sewing, the first rotating rod can drive the tooth frame to rotate back and forth through hinging, and the transmission mechanism drives the tooth frame to move up and down, so that the tooth frame can drive the two groups of teeth to swing, ascend and descend, the teeth are subjected to cloth feeding and tooth lifting, the structure is reasonable, and the practicability is high. And the condition of matching errors is reduced.