21 results about "Punctures skin" patented technology

A device for puncturing skin in a reciprocal manner includes a reciprocally movable needle, a driving device including a driving mechanism and a driving rod arranged for driving the reciprocally movable needle between a retracted and extended position. The driving mechanism is arranged for reciprocally driving the driving rod in a longitudinal direction along the longitudinal axis of the driving rod. The driving device further includes a suspension system arranged between a frame member of the driving device and the driving rod and the suspension system is arranged for elastically suspending the driving rod in the longitudinal direction in the frame such that the driving rod is freely movable in longitudinal direction. The suspension system is further arranged for biasing the driving rod to a longitudinal neutral position.

The invention discloses a disposable peripheral hemostix, and relates to the field of medical supplies. The hemostix comprises a shell, a cavity and a puncture assembly, the shell comprises a shell of a left-right two-piece split structure and a top cover capable of moving up and down, and the top cover is matched with the shell through a cross bone position structure; the cavity is of a soft rubber structure and comprises an upper cover and a base, medical double-faced adhesive tape conforming to biocompatibility is arranged at the bottom of the base, the side end of the base is laterally connected with a blood collection tube in a sleeved and sealed mode, and a duckbilled one-way valve is integrally formed at the other side end of the base. The puncture assembly is wrapped by the cavity and is composed of an elastic support, a guide support, an elastic drive fixing plate, an elastic piece and a puncture piece. When the blood collector is used, the blood collector is fixed through the medical double faced adhesive tape, the puncture piece can be triggered to puncture skin instantly by pressing the top cover through one key, the cavity rebounds to generate negative pressure, and blood flows into the blood collection tube through the collection channel under the action of the negative pressure and gravity. The hemostix is compact in structure, convenient to operate, painless in blood collection, especially suitable for non-professional personnel to operate, and beneficial to application and popularization.

The invention relates to the technical field of microneedle transdermal drug delivery, in particular to a puncture depth self-adaptive microneedle system. The microneedle system comprises a microneedle array used for puncturing skin, providing a sampling point for detecting skin impedance at a skin layer touched by a needle tip of the microneedle array, and releasing drugs; the detection unit is connected with the microneedle array and is configured to acquire skin impedance at the sampling point in a short pulse mode and output a control signal when it is judged that the needle tip of the microneedle array penetrates through the cuticle according to the skin impedance; the execution unit is respectively connected with the microneedle array and the detection unit and is configured to receive a control signal from the detection unit to stop the microneedle array from continuously puncturing into the skin after the detection unit judges the penetration, so that the penetration depth of the microneedle can be actively limited based on the electrical characteristic change of the skin in the penetration process of the microneedle; the problem of skin individual difference is effectively solved, and the active recognition capability and the automatic adjustment capability of the real-time penetration state are achieved.

The invention provides a puncture needle which is detachably connected with a puncture outfit and comprises a base, an auxiliary needle and a hose needle. The auxiliary needle is inserted into the base and is fixedly connected with the base; one end of the hose needle penetrates through the auxiliary needle and then extends into the base; the auxiliary needle is of a cylinder structure. According to the puncture needle provided by the embodiment of the utility model, by arranging the puncture needle detachably connected with the puncture outfit, when a sternum infusion needle needs to be replaced, only the used puncture needle needs to be detached from the puncture outfit and replaced with a new puncture needle, and the puncture needle and the puncture outfit do not need to be replaced together; the use cost of the sternum infusion needle is greatly reduced; moreover, the auxiliary needle of the puncture needle is of a cylindrical structure, so that the auxiliary needle does not puncture the skin any more during use, and the use experience is improved.

A blood sampling testing device is provided. [Solution] The blood test stick comprises a test stick body, a fingertip blood collection needle (2), and a liquid reservoir protective cap. The fingertip blood collection needle is attached to the grip end of the test stick body, and the liquid reservoir protective cap is attached to the test end of the test stick body, with a buffer solution stored in the liquid reservoir protective cap. By integrating the blood collection needle into the grip end of the blood test stick, both ends of the blood test stick can be used to puncture the user's skin and collect blood, simplifying the complexity of user operation. In addition, a mounting groove is opened at the grip end of the test stick body, and a ribbed structure is provided within the mounting groove. The fingertip blood collection needle is connected to the mounting groove with an interference fit, maintaining a secure connection of the blood collection needle body to the housing when the user pulls out the blood collection cap.

The utility model discloses an injection beauty needle, which belongs to the technical field of medical beauty instruments and comprises an injector and a positioning structure, and the injector comprises an injection needle cylinder, a push rod slidably mounted on the inner wall of the injection needle cylinder, a connecting cylinder fixedly mounted at the lower end of the injection needle cylinder and an injection needle fixedly mounted at the lower end of the connecting cylinder. According to the injection beauty needle, the positioning structure is arranged, the nut is rotated to drive the sliding sleeve and the protective sleeve to move along the surface of the connecting cylinder, and therefore the distance between the injection needle head and the positioning ring can be changed, and the distance is the depth of the injection needle head penetrating into the skin; at the moment, the skin of the patient can be sunken due to contact of the positioning ring, medical beauty personnel can judge whether the piercing depth of the injection needle meets the requirement or not according to the sunken skin of the patient, and therefore the unattractive phenomenon that the skin piercing depth of the injection needle is not uniform, and local excessive protrusion occurs can be avoided.

The present application relates to the technical field of syringes, in particular to a needleless syringe, comprising a mounting unit, including a mounting shell, a containing space arranged in the mounting shell; a injection unit, including a liquid storage tube arranged in the containing space, a piston rod slidingly arranged in the liquid storage tube; a driving unit, including a driving motor arranged in the containing space, a rotating disc arranged at the end of the driving motor, a push rod slidingly arranged on the mounting shell, the push rod being capable of relative displacement with the piston rod. The needleless syringe can control the reciprocating movement of the push rod through the cooperation of the control part and the elastic element, thereby controlling the reciprocating movement of the piston rod, realizing the suction and discharge of the liquid medicine in the liquid storage tube, wherein the elastic element will collide with the piston rod when controlling the movement of the push rod, increasing the pressure of the liquid medicine discharge of the liquid storage tube, facilitating the skin piercing, and the moving speed is reduced after the collision, the liquid medicine ejection pressure is reduced, facilitating the liquid medicine injection.

The application relates to the field of medical supplies, and provides a collection device for collecting liquid by piercing a barrier, which comprises a shell with a containing space and a puncture assembly, the shell comprises a contact wall and a collection port penetrating through the contact wall; the contact wall comprises a contact surface which is formed with a groove, the groove comprises a bottom wall and a surrounding wall; the bottom wall is provided with a center part protruding towards the barrier direction, and the collection port is arranged around the periphery of the center part; the collection device comprises a vacuum cavity with a pressure lower than the atmospheric pressure. The collection device for collecting liquid by piercing a barrier can be used for collecting blood or collecting other liquid; when blood needs to be collected, the contact wall is directly attached to the skin, the puncture assembly is controlled to penetrate out of the collection port, and the skin is pierced, so that the collection of the peripheral blood can be conveniently realized, and the pain during blood collection is greatly reduced.

1. Name of the product in this design: Blood Collection Pen. 2. Purpose of this design: For piercing the skin to collect a small amount of blood sample. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses an ultramicro-wound electronic acupuncture instrument and a use method. The acupuncture instrument comprises a needle head assembly, an electric acupuncture instrument host and a reference electrode slice, the reference electrode plate is connected with the electroacupuncture apparatus host; the needle head assembly is movably connected with an electric connector on the electric acupuncture apparatus host; the electro-acupuncture apparatus host is used for transmitting electro-acupuncture signals to the needle head assembly and the electro-acupuncture apparatus host; and when in use, the needle head assembly only punctures the epidermal layer of the skin. The problem that skin blisters are generated by a non-invasive electronic needle instrument can be solved.

The invention relates to the technical field of medical education equipment, and particularly discloses a health major ambulance group comprehensive training dummy which comprises a dummy body, a simulation box is arranged on the dummy body, a sliding baffle is slidably clamped on the simulation box, and an operation opening penetrating into the simulation box is formed in the sliding baffle. Two first fixing rods are installed in the simulation box, a pleural effusion storage box is fixedly connected between the two first fixing rods, a first opening is formed in the side wall of the pleural effusion storage box, and a pleural skeleton simulation device used for simulating a pleural skeleton structure in a puncture path is arranged on the pleural effusion storage box; and a puncture epidermis replacing device for automatically replacing the puncture epidermis at the thoracic cavity skeleton simulating device is arranged in the simulating box, so that the technical problems that the efficiency is low and the operation is tedious due to the fact that the used puncture epidermis and pleura layer need to be manually replaced in the thoracic cavity puncture simulating process of an existing simulator are solved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a radioactive particle implanting device which particularly comprises a needle tube, a sharp-head needle core, a blunt-head needle core, a flat-head needle core and a particle implanting device, the sharp-head needle core is used for puncturing skin, the blunt-head needle core is used for puncturing fragile tissue, the flat-head needle core is used for pushing in particles, and the particle implanting device is used for implanting particles. The needle head of the flat-head needle core is flush with the front end of the needle tube, the tail end of the flat-head needle core is connected with the inlet of the needle core in a clamped mode, it is guaranteed that radioactive particles are accurately fed into tumor cells of tissue to be treated, and meanwhile the length of the needle point of the blunt-head needle core is set to be equal to the height of the implanted particle sealing tube, so that the needle head of the blunt-head needle core is the accurate implantation position of the radioactive particles. And accurate positioning of an implantation part can be further realized, and the device can be widely applied to treatment of tumor cells.

This invention relates to a combined patellar fracture fixation device, comprising a Kirschner wire with threads at both ends, a tail cap, and a two-hole steel plate. The threaded Kirschner wire has a sharp end and a flat end, with an unthreaded middle section. The tail cap has a central channel connecting both ends of the Kirschner wire, with the thinner end embedded in the patellar bone. The two-hole steel plate has different widths at both ends; the wider end has a hole that connects to the tail cap, while the narrower end has a hole through which a tension band cable can pass. The Kirschner wire, tail cap, and steel plate are combined to form a patellar fracture fixation device, used in pairs. Connecting the cable creates a tension band for fixation. This invention offers better stability than traditional Kirschner wire tension band technology, effectively reducing the likelihood of loosening and displacement of the traditional Kirschner wire, the risk of cable slippage leading to tension band failure, and reducing the risk of irritation to surrounding tissues and skin puncture by the tail of the traditional Kirschner wire. This facilitates early postoperative functional exercises for patients, promotes patellar fracture healing, and provides a new and more effective fixation device for patellar fractures.

A catheter assembly includes a catheter, a catheter hub fixed to the proximal end portion of the catheter, a hollow inner needle removably located in the catheter and including a distal end portion at which is located a needlepoint to puncture skin of a patient, and a guide wire slidably positioned in the inner needle. The guide wire is longer than both the inner needle and the catheter. A wire operating member is connected to the guide wire and is displaceable in the forward direction relative to the inner needle and the catheter. A main body is detachably connected to the catheter hub and includes a finger-engaging projection at a distal portion of the main body that is engageable by a user's finger to advance the main body and the catheter in the forward direction.

A needle module for puncturing skin in a reciprocal manner, wherein the needle module comprises a needle unit , a housing and a biasing mechanism, wherein the needle unit comprises a needle, wherein said needle unit is movable with respect to said housing between an extended position wherein a distal end of the needle extends from a distal end of said housing and a retracted position wherein the distal end of the needle is positioned within the housing, wherein the biasing mechanism is arranged for urging the needle unit towards the retracted position, wherein the needle module further comprises a limiting mechanism, wherein the limiting mechanism is arranged for limiting the relative movement of the needle unit out of the distal end of the housing to a maximum extension distance when moving towards the extended position, wherein said maximum extension distance is 1,5 mm or less.

The utility model relates to the technical field of acupuncture and moxibustion, in particular to a nickel-titanium alloy acupuncture and moxibustion needle which comprises a needle body and a needle handle. The needle body is a nickel-titanium alloy needle body; the needle body comprises a needle main body and a needle tip which are connected with each other; the needle handle is connected to the needle main body; the size of the needle tip is gradually reduced in the direction from the needle handle to the needle tip; and the direction of the needle handle towards the needle tip is parallel to the length direction of the needle main body. Due to the hyperelastic characteristic of the nickel-titanium alloy acupuncture needle, the needle inserting process is smoother, and therefore the pain feeling of a patient is relieved. The size of the needle tip is gradually reduced in the direction from the needle handle to the needle tip, and through the special design, it can be seen that the needle tip has a gradual sharp shape, so that the needle tip has good penetrability, and it can be guaranteed that when skin and tissue are punctured, the pain feeling of a patient is reduced due to the fact that puncture resistance is reduced; unnecessary damage to surrounding tissues can be avoided, and the acupuncture treatment effect and safety are improved.

A pain relief hand tool device is disclosed, which is a series of hand tools for promoting healing. The pain relief hand tool device comprises an elongated handle component with a head component. The handle component is available in three different designs that can be applied to different areas of the body with ease. The head component is typically either round or rectangular-shaped. The head component also comprises nails or sharp points arranged to apply pressure to the skin but not puncture it. Users can choose a desired tool design and apply it to the body. The pressure applied can help relieve aches and pains, reduce stress, reduce inflammation, promote better cell health, improve circulation, etc.

The utility model relates to the field of medical hemostasis, in particular to a band-aid for baby blood sampling, which comprises a sticking area and sterile areas, the back of the sticking area is provided with a hook-and-loop fastener main body, the joint of the sticking area and the sterile areas is provided with a tearable indentation, the sterile areas are arranged on two sides of the sticking area, and the adhesive tape main body and the sterile areas are arranged on two sides of the sticking area. The sterile areas are arranged on the left side and the right side of the pasting area, after the skin is punctured through a blood needle, hemostasis is conducted on a wound through the sterile areas on one side, and blood turbulence caused by disordered movement of an infant is prevented; after the blood taking tube is prepared, blood taking is carried out on a wound, hemostasis is carried out on the wound through the sterile area on the other side after blood taking is completed, the used sterile area is removed through the tearable indentation, and hemostasis treatment is carried out on the wound through the connection effect of the main hook-and-loop fastener body and the auxiliary hook-and-loop fastener body.

The invention belongs to the field of skin membranes, and particularly relates to an anti-puncture skin membrane and a production process thereof. Comprising a heat sealing layer, a blocking layer and an anti-puncture outer layer which are sequentially stacked, the heat sealing layer is prepared by blending 70wt% of linear low-density polyethylene and 25wt% of an ethylene-octylene copolymer plastomer; the thickness is 30 microns; the barrier layer is an ethylene-vinyl alcohol copolymer layer or a polyamide layer; the puncture-resistant outer layer is prepared by blending 50wt% of high-density polyethylene, 30wt% of metallocene polyethylene and 20wt% of modified polyolefin elastomer; the total thickness of the puncture-resistant skin membrane is 50-150 microns, and the thickness of the puncture-resistant outer layer accounts for 40%-60% of the total thickness; according to the invention, a novel skin film with ultrahigh puncture resistance, excellent low-temperature toughness and self-repairing potential is prepared by introducing a'rigid aromatic ring-dynamic carbamate bond 'synergistically modified polyolefin elastomer.

The invention discloses an application method of an ultramicro wound acupuncture instrument based on instantaneous single-path circulation and sequential stimulation. The application method comprises the following steps: using an ultramicro wound electronic acupuncture instrument; the ultramicro-invasive electronic acupuncture instrument comprises a needle head assembly, an electric acupuncture instrument host and a reference electrode plate, the reference electrode plate is connected with the electroacupuncture apparatus host; the needle head assembly is movably connected with an electric connector on the electric acupuncture apparatus host; the electro-acupuncture apparatus host is used for transmitting electro-acupuncture signals to the needle head assembly and the electro-acupuncture apparatus host; during use, the needle head assembly only punctures the epidermal layer of the skin; and the number of the needle assemblies is multiple, the number of the reference electrode slices is the same as that of the corresponding power connection connectors, the reference electrode slices serve as common loop electrodes between the needle assemblies and the power connection connectors, an instantaneous single-loop circulation multi-loop circuit is formed, and sequential circulation stimulation is adopted for the instantaneous single-loop circulation multi-loop circuit. The ultramicro invasive acupuncture instrument solves the problem that skin blisters are generated by a novel noninvasive electronic needle instrument.

The invention provides an electrocoagulation hook which comprises a handle and a puncture electric hook, one end of the puncture electric hook is located in the handle, the other end of the puncture electric hook extends to the outside of the handle, the puncture electric hook comprises a puncture part and an electric hook part which are arranged in a nested mode, and the puncture part is used for puncturing skin tissue in the operation process; one end of the electric hook piece is in sliding connection with the handle, the other end of the electric hook piece is a functional end, the electric hook piece is made of a memory alloy material, the functional end is limited by the puncture piece to be linear before surgical operation, and when the functional end extends out of the puncture piece, the functional end is in a hook shape, so that the lesion part of human tissue is operated. The electrocoagulation hook provided by the invention has a puncture function, so that when the electrocoagulation hook provided by the invention is used for surgical operation, an expansion channel does not need to be additionally established, a surgical incision is relatively small, and damage to human tissues is effectively reduced; in addition, the electrocoagulation hook is easy to operate, surgical operation steps are effectively reduced, and working efficiency is improved.