37 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.

Disclosed herein are devices and methods for blood collection. A device may be provided having a base member configured to sealably attach to a skin region of an individual, the base member having a lancet port sized to fit a lancet therethrough to puncture the skin region; a top member configured to be mounted onto the base member to define a sealed chamber over the skin region; a vacuum port configured to couple with a vacuum source; and a collection reservoir configured to be in fluid communication with the sealed chamber. Application of the vacuum source to provide a pressure less than atmospheric pressure at the vacuum port urges blood to flow from the skin region, when punctured, into the collection reservoir.

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.

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 provides a puncture suspension device with a positioning structure. The puncture suspension device mainly solves the technical problems that an existing puncture suspension device is too tedious in operation process, limited in use occasion and the like. The device comprises a puncture needle and a suspension assembly, the puncture needle is of a hollow straight tube needle structure and is used for puncturing skin and target tissue; the suspension assembly is located in the puncture needle and comprises a fixing piece and a suspension line which are sequentially connected from front to back. The fixing piece is arranged in the head of the puncture needle; the suspension line is of a parallel double-line structure, one end of the suspension line is connected with the middle of the fixing piece, and the other end of the suspension line extends out of the tail of the puncture needle. After puncture, the fixing piece can be pushed out, penetrates through the lower portion of the tissue and surrounds the tissue, then the fixing piece penetrates through the suspension line, the suspension line is tensioned, rapid suspension can be achieved, the wound to the skin is small, and the suspended tissue is free of wound.

The invention discloses a high glucagon-like peptide-1 receptor stimulant-loaded silk fibroin microneedle patch, which comprises a plurality of microneedles, each microneedle sequentially comprises a skin layer, a core layer and a base, the skin layer comprises silk fibroin and a structure regulator, the core layer comprises a water-soluble polymer compound and a high glucagon-like peptide-1 receptor stimulant, and the base comprises a water-soluble polymer compound and a high glucagon-like peptide-1 receptor stimulant. The base comprises silk fibroin which is insoluble in water; the cortex is the outermost part of the tip of the microneedle and is used for contacting a user and puncturing the skin during use, and the base is arranged on one side, far away from the tip, of the microneedle. According to the silk fibroin microneedle patch disclosed by the invention, by adding the structure regulator, the cortex silk fibroin has a SilkI crystal structure, and high swelling and low dissolution loss of the cortex are realized. Due to the cavity core layer structure of the skin-core layer, the storage space of the medicine is increased, the loading capacity of the medicine is improved, and in addition, the direct contact between the medicine high glucagon-like peptide-1 receptor agonist and the silk fibroin is also avoided.

The invention discloses an intelligent needleless injector, and particularly relates to the technical field of needleless injection.The intelligent needleless injector comprises an outer shell, a support is installed in an inner cavity of the outer shell, a motor base is linearly and slidably installed in an inner cavity of the thick end of the support, a driving motor is arranged in the motor base in a sleeved mode, and the output end of the driving motor drives an energy storage mechanism; the energy storage mechanism always abuts against a driving spring extending in the direction of the driving motor, the other end of the driving spring abuts against a step of an inner cavity of the support, any end of the driving spring further abuts against the pressure sensor, a dose adjusting motor is fixedly installed at the end, close to the driving motor, of a medicine taking nut of the energy storage mechanism, and the output end of the dose adjusting motor drives a medicine taking mechanism. A connecting rod of the medicine taking mechanism is connected with a push rod, the long and thin end of the support is externally connected with a medicine storage cylinder, and the end, away from the medicine taking mechanism, of the push rod is connected with a piston.

The utility model discloses a large intestine stringing device, which belongs to the technical field of large intestine processing and particularly comprises a stringing table, a placing plate is fixedly connected above the stringing table, a pressing plate is vertically connected above the placing plate in a sliding manner, and the pressing plate and the placing plate are matched together to form a large intestine pressing structure; according to the utility model, the placing plate and the pressing plate are arranged, so that the large intestines can be placed in the placing groove and then are sucked and pressed down, the large intestines are cut into sections in the process of pressing down the large intestines, and a bamboo stick can be inserted into the stringing groove to perform stringing treatment on the large intestines in the placing groove; the problem of hand slipping or skewering deviation caused by manual skewering is avoided, so that the skewering efficiency and skewering effect of the large intestines are improved, and the problem that the skin is punctured by bamboo sticks due to improper skewering is avoided.

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 invention relates to the technical field of medical instruments, in particular to a needle head and a beauty needle with the needle head, the needle head comprises a sleeve and a needle body, and the sleeve and the needle body are matched to be used for puncturing the skin; the needle body can move relative to the cannula in the length direction of the cannula, one end, used for puncturing skin, of the needle body is a puncturing end, and when the needle body moves relative to the cannula to enable the puncturing end to gradually stretch out of the cannula, the part, stretching out of the cannula, of the needle body is bent towards one side of the cannula; when the needle body penetrates into the skin and the part, extending out of the sleeve, of the needle body is bent towards one side of the sleeve, the part, extending out of the sleeve, of the needle body corresponds to the corium layer of the skin, or the part, extending out of the sleeve, of the needle body corresponds to the corium layer and the epidermal layer of the skin. According to the needle head and the beauty needle adopting the needle head, the number of needle eyes formed on the skin surface can be reduced, the nursing difficulty after treatment is reduced, and the repairing difficulty of the skin epidermis layer is reduced.

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 liquid medicine administration device (includes a connection unit configured to connect a circuit at a non-puncture position where a puncture needle does not puncture skin, and disconnect the circuit at a puncture position. When the disconnection of the circuit is detected as the puncture needle moves to the puncture position, a controller controls a drive unit to move a plunger of a prefilled syringe toward a distal end to administer a liquid medicine.

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.

A needle module for puncturing skin in a reciprocal manner. The needle module includes a needle unit, a housing and a biasing mechanism. The needle unit includes a needle. The needle unit is movable with respect to the housing between an extended position, in which a distal end of the needle extends from a distal end of the housing, and a retracted position, in which the distal end of the needle is positioned within the housing. The biasing mechanism is arranged for urging the needle unit towards the retracted position. The needle module further includes a limiting mechanism. 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 the needle unit is moving towards the extended position. The maximum extension distance is 1.5 mm or less.

The utility model relates to the field of lung operations, and discloses a puncture sheath needle for lung operations, which comprises a needle head for puncturing skin and chest wall tissues, the rear end of the needle head is connected with a sheath tube through a dismounting mechanism, the sheath tube is used for establishing an access channel from skin to a vascular cavity, and the needle head is mounted on the sheath tube. The rear end of the sheath tube is fixedly connected with a handle, and slots are formed in the left side and the right side of the handle; the support is used for supporting and fixing the puncture sheath needle, the four corners of the top side of the support are each fixedly connected with a clamping tube used for playing a supporting role, and a fixing assembly used for fixing the sheath tube and the handle is arranged in each clamping tube so that the sheath tube and the handle can be prevented from shaking. According to the puncture sheath needle fixing device, a stable fixing effect can be provided for a puncture sheath needle, and the puncture sheath needle fixing device can be suitable for sheath tubes of different sizes, so that the two hands of medical staff are liberated, the needle head and the sheath tubes are more convenient to disassemble, and the medical staff can operate conveniently.

1. The name of this design product: sterile packaging box for skin needles. 2. Application of this design product: for sterile packaging of multiple shallow-puncture skin needles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model provides a puncture skin cutting knife which comprises a handle, a sharp knife blade and a guide tube, the sharp knife blade and the guide tube are both fixed on the handle, a knife point of the sharp knife blade is tightly attached to the outer side wall of the guide tube without a gap, and a guide wire can penetrate through the guide tube. According to the structure of the puncture skin cutting knife, when the guide tube enters the guide wire tunnel, the sharp knife blade can be accurately close to the guide tube to enter a puncture point to cut the skin, so that a skin expander can conveniently enter subcutaneously and further expand subcutaneous tissues, blood vessel walls or other target tissues, and a catheter can smoothly enter a target position.