CN218900181U - Needle knife ejection device - Google Patents

Abstract

The utility model relates to the medical field, in particular to a needle knife ejection device, which comprises a metal shell, wherein a hollow threaded rod is integrally arranged at the bottom end of the metal shell, a nut is arranged on the outer side thread of the hollow threaded rod, an end cover sleeve is arranged on the bottom end thread of the hollow threaded rod, a limiting block is inserted into the top end of the interior of the metal shell, and a cap is arranged at the top end of the limiting block; the elastic rod is inserted and installed in the metal shell. According to the utility model, the end cover sleeve, the hollow threaded rod and the nut are arranged, the depth of the needle knife front end inserted into the skin can be adjusted and controlled by rotating the position of the nut on the hollow threaded rod, the cap is pressed, the limiting block acts on the elastic pressing rod, the limiting ring acts on the threaded spring, the threaded spring is extruded, the elastic pressing rod is integrally pushed out downwards, the needle knife front end ejects out of the end cover sleeve and pierces the skin, and the depth of the needle knife front end vertically pierced into the skin is inconvenient to fix each time, so that the operation is convenient for medical staff.

Description

Needle knife ejection device

Technical Field

The utility model relates to the field of medical treatment, in particular to a needle knife ejection device.

Background

Needle knife is a concept in traditional Chinese medicine and is a mode for physiotherapy or minimally invasive surgery. The small needle knife has the effects of needling and acupuncture, and can cut in the state of the knife, namely, the small needle knife can achieve local tissue loosening through skin tissue as the name implies, so that certain diseases such as fibrositis, nodules, cysts and the like can be treated, and the situation is common in clinic and has a good effect.

The utility model provides an authorized bulletin number is CN211132156U discloses an acupuncture needle sword, including holding handle, needle knife lid and holding the handle lid, one side of holding the handle is connected with the needle body, one side that the handle was kept away from to the needle body is provided with the needle knife, the surface of holding the handle is provided with the screw thread circle, wherein, the junction of holding handle and needle body is provided with the antiskid line, the surface of needle body and needle knife is provided with the scale needle, the needle knife lid is installed and is kept away from the one side of the needle body at the needle knife, needle knife lid has been seted up near one side of needle knife and has been had the needle knife groove, the handle lid of holding is connected and is kept away from one side of needle knife at the needle knife lid, the handle groove of holding has been seted up to one side that the handle lid was kept away from the needle knife lid. This acupuncture needle sword is provided with the scale needle, at the in-process of inserting the needle sword, and different acupuncture point male depths are also different, and the scale needle is provided with eight altogether, and each distributes on needle body and the needle sword has four scale needles, and the distance of every scale needle is 1cm, has still increased the accuracy that acupuncture needle sword used when being convenient for doctor observe.

However, most acupuncture needle knife is used by directly inserting the needle knife into the acupoints of a patient, the inserting depth is not easy to judge when inserting different acupoints, and the operation is difficult for the medical staff, while in the above technical scheme, the acupuncture needle knife is inserted through the observation scale mark, the efficiency is lower in the actual operation, repeated observation is needed for each time of needle insertion, the actual inserting depth is difficult to accurately control, and the acupuncture needle knife ejection device is inconvenient for people with poor clinical experience to use, so that the above problems need to be solved.

Disclosure of Invention

Aiming at the problems that most acupuncture needle knives in the background technology are used, the needle knives are directly inserted into the acupoints of a patient, the inserted depth is not easy to judge when different acupoints are inserted, and the operation is difficult for medical staff, the needle knife ejection device is provided.

The utility model provides a needle knife ejection device which comprises a metal shell, wherein a hollow threaded rod is integrally arranged at the bottom end of the metal shell, a nut is arranged on the outer side thread of the hollow threaded rod, an end cover sleeve is arranged on the bottom end thread of the hollow threaded rod, a limiting block is inserted into the top end of the interior of the metal shell, and a cap is arranged at the top end of the limiting block; the inside of metal casing inserts and installs the bullet depression bar, and the outside of bullet depression bar is provided with the spacing ring, and threaded spring has been cup jointed in the outside of bullet depression bar, and one side of threaded spring is connected with one side of spacing ring, and threaded spring's opposite side is connected with the bottom inner wall of metal casing, and needle sword rear end is installed to the bottom block of bullet depression bar, and the bottom of needle sword rear end is provided with needle sword front end.

Preferably, the length of the metal shell is fifteen centimeters, and the length of the hollow threaded rod is two centimeters.

Preferably, the outer side of the nut is annularly provided with an anti-slip groove.

Preferably, one side of the metal shell is provided with a clamping rod.

Preferably, the hollow groove is seted up to the both sides of needle sword rear end, and the inside of hollow groove is provided with the spring leaf, and one side of spring leaf is connected with spacing ball, and rectangular channel has been seted up to the bottom of elastic lever, and the bilateral symmetry of rectangular channel is provided with the arc recess.

Preferably, the outer side of the end cover sleeve is provided with a first magnetic ring, and the bottom end of the end cover sleeve is provided with a needle outlet.

Preferably, the bottom end of the first magnetic ring is adsorbed and installed with a second magnetic ring, and the bottom end of the second magnetic ring is connected with a protective cover.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with end cover sleeve, hollow threaded rod and nut, through the position of rotatory nut on hollow threaded rod, can adjust the degree of depth that the control needle sword front end inserted skin, press the block for stopper effect spring bar, make spacing ring effect thread spring, thread spring receives the extrusion, make the spring bar wholly release downwards, make needle sword front end pop out end cover sleeve, pierce the skin, press the degree of depth of penetrating the skin perpendicularly at every turn and be fixed inconvenient, convenient operation to medical personnel.

2. Through being provided with needle sword front end, needle sword rear end, hollow groove and spacing ball, insert the rectangle groove of metal casing bottom with needle sword rear end in, with needle sword rear end card in the inside of spring bar, the spacing ball extrusion inside spring leaf card of both sides is in the arc recess to install the block fast, dismantle also conveniently, after penetrating skin, can press the needle sword rear end, upwards extract the spring bar, the needle sword front end of being convenient for is detained at skin diffusion and is dissolved the jam department.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a partially exploded view of the present utility model;

FIG. 3 is a schematic view of the three-dimensional structure of the spring rod, stop collar and threaded spring of the present utility model;

fig. 4 is an enlarged schematic view of a partial structure at a in fig. 2 according to the present utility model.

In the figure: 110. a metal shell; 111. a spring rod; 112. a limiting ring; 113. a threaded spring; 120. a clamping rod; 130. capping; 131. a limiting block; 140. a nut; 150. a hollow threaded rod; 160. the front end of the needle knife; 161. the rear end of the needle knife; 162. a hollow groove; 163. a limit ball; 170. an end cap sleeve; 171. a first magnetic ring; 172. a second magnetic ring; 173. and a protective cover.

Detailed Description

Example 1

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a needle knife ejection device, includes metal casing 110, and metal casing 110's bottom integration is provided with hollow threaded rod 150, and nut 140 is installed to hollow threaded rod 150's outside screw thread, and end cover sleeve 170 is installed to hollow threaded rod 150's bottom screw thread, and stopper 131 has been inserted at metal casing 110 inside top, and stopper 131's top is provided with block 130; the inside of the metal shell 110 is inserted and provided with a spring rod 111, the outer side of the spring rod 111 is provided with a limiting ring 112, the outer side of the spring rod 111 is sleeved with a thread spring 113, one side of the thread spring 113 is connected with one side of the limiting ring 112, the other side of the thread spring 113 is connected with the inner wall of the bottom end of the metal shell 110, the bottom end of the spring rod 111 is clamped and provided with a needle knife rear end 161, and the bottom end of the needle knife rear end 161 is provided with a needle knife front end 160; firstly, medical staff opens the end cover sleeve 170, the needle knife rear end 161 and the needle knife front end 160 are installed in a clamping manner, the depth of skin insertion can be controlled by rotating the position of the nut 140 on the hollow threaded rod 150, the ejecting depth of each time is consistent, the end cover sleeve 170 is rotationally clamped at the bottom end of the hollow threaded rod 150, the nut 140 is in a limiting effect at the moment, the needle knife front end 160 is hidden in the end cover sleeve 170 and is close to a needle outlet, the cap 130 is pressed, the limiting block 131 is enabled to act on the elastic rod 111, the limiting ring 112 is enabled to act on the threaded spring 113, the threaded spring 113 is extruded, the elastic rod 111 is enabled to be pushed downwards integrally, the needle knife front end 160 ejects out of the end cover sleeve 170 to pierce the skin, and the depth of perpendicularly penetrating the skin is inconvenient to press each time, so that the medical staff is convenient to operate.

Further, the metal shell 110 has a length of fifteen centimeters, and the hollow threaded rod 150 has a length of two centimeters, which is convenient for a user to grasp.

Example two

In the ejection device of the needle knife provided by the utility model, compared with the first embodiment, referring to fig. 1, an anti-slip groove is formed on the outer side of the nut 140 in an annular shape; the anti-slip groove facilitates the user to rotate the position of the adjustment nut 140, and one side of the metal shell 110 is provided with the clamping bar 120; the clamping rod 120 is convenient for medical staff to clamp the device on the pocket and is convenient to carry.

Example III

In contrast to the first embodiment, referring to fig. 4, two sides of the rear end 161 of the needle knife are provided with hollow grooves 162, a spring piece is arranged in the hollow groove 162, one side of the spring piece is connected with a limit ball 163, the bottom end of the spring rod 111 is provided with a rectangular groove, and two sides of the rectangular groove are symmetrically provided with arc grooves; firstly, the rear end 161 of the needle knife is inserted into a rectangular groove at the bottom end of the metal shell 110, the rear end 161 of the needle knife is clamped inside the spring rod 111, and the limit balls 163 at two sides squeeze the inner spring piece to be clamped in the arc-shaped groove, so that the installation and clamping are fast carried out, the disassembly are convenient, after the skin is penetrated, the rear end 161 of the needle knife can be pressed, the spring rod 111 is pulled upwards, and the front end 160 of the needle knife is convenient to be detained at the diffusion dissolution blocking position of the skin.

Example IV

In contrast to the first embodiment, referring to fig. 2, a first magnetic ring 171 is disposed on the outer side of an end cap sleeve 170, and a needle outlet is formed at the bottom end of the end cap sleeve 170; the bottom of first magnetic ring 171 adsorbs and installs second magnetic ring 172, and the bottom of second magnetic ring 172 is connected with shield cap 173, and shield cap 173 can cover the play needle mouth at end cover sleeve 170, avoids the foreign matter to get into, plays safety protection's effect.

The working principle of the utility model is as follows: firstly, medical staff opens the end cover sleeve 170, the needle knife rear end 161 and the needle knife front end 160 are installed in a clamping manner, the depth of skin insertion can be controlled by rotating the position of the nut 140 on the hollow threaded rod 150, the ejecting depth of each time is consistent, the end cover sleeve 170 is rotationally clamped at the bottom end of the hollow threaded rod 150, the nut 140 is in a limiting effect at the moment, the needle knife front end 160 is hidden in the end cover sleeve 170 and is close to a needle outlet, the cap 130 is pressed, the limiting block 131 is enabled to act on the elastic rod 111, the limiting ring 112 is enabled to act on the threaded spring 113, the threaded spring 113 is extruded, the elastic rod 111 is enabled to be pushed downwards integrally, the needle knife front end 160 ejects out of the end cover sleeve 170 to pierce the skin, and the depth of perpendicularly penetrating the skin is inconvenient to press each time, so that the medical staff is convenient to operate.

Firstly, the rear end 161 of the needle knife is inserted into a rectangular groove at the bottom end of the metal shell 110, the rear end 161 of the needle knife is clamped inside the spring rod 111, and the limit balls 163 at two sides squeeze the inner spring piece to be clamped in the arc-shaped groove, so that the installation and clamping are fast carried out, the disassembly are convenient, after the skin is penetrated, the rear end 161 of the needle knife can be pressed, the spring rod 111 is pulled upwards, and the front end 160 of the needle knife is convenient to be detained at the diffusion dissolution blocking position of the skin.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (7)

1. The needle knife ejection device is characterized by comprising a metal shell (110), wherein a hollow threaded rod (150) is integrally arranged at the bottom end of the metal shell (110), a nut (140) is arranged on the outer side thread of the hollow threaded rod (150), an end cover sleeve (170) is arranged on the bottom end thread of the hollow threaded rod (150), a limiting block (131) is inserted into the top end of the inside of the metal shell (110), and a cap (130) is arranged at the top end of the limiting block (131);

the inside of metal casing (110) inserts and installs spring bar (111), and the outside of spring bar (111) is provided with spacing ring (112), and threaded spring (113) has been cup jointed in the outside of spring bar (111), and one side of threaded spring (113) is connected with one side of spacing ring (112), and the opposite side of threaded spring (113) is connected with the bottom inner wall of metal casing (110), and needle sword rear end (161) are installed in the bottom block of spring bar (111), and the bottom of needle sword rear end (161) is provided with needle sword front end (160).

2. A needle knife ejector device according to claim 1, characterized in that the metal shell (110) has a length of fifteen cm and the hollow threaded rod (150) has a length of two cm.

3. A needle knife ejector according to claim 1, characterized in that the outer side of the nut (140) is annularly provided with an anti-slip groove.

4. A needle knife ejector device according to claim 1, characterized in that a clamping bar (120) is provided on one side of the metal shell (110).

5. The needle knife ejection device according to claim 1, wherein the hollow grooves (162) are formed in two sides of the rear end (161) of the needle knife, a spring piece is arranged in the hollow grooves (162), one side of the spring piece is connected with a limiting ball (163), a rectangular groove is formed in the bottom end of the spring rod (111), and arc-shaped grooves are symmetrically formed in two sides of the rectangular groove.

6. The needle knife ejection device according to claim 1, wherein a first magnetic ring (171) is arranged on the outer side of the end cover sleeve (170), and a needle outlet is formed in the bottom end of the end cover sleeve (170).

7. The needle knife ejection device according to claim 6, wherein a second magnetic ring (172) is attached to the bottom end of the first magnetic ring (171), and a protective cover (173) is connected to the bottom end of the second magnetic ring (172).

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