CN213488972U

CN213488972U - Puncture needle positioning mechanism for dermatology department

Info

Publication number: CN213488972U
Application number: CN202020573513.2U
Authority: CN
Inventors: 孟志超; 陈来国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-06-22
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to the technical field of medical equipment, and discloses a puncture needle positioning mechanism for dermatology, which comprises a movable shell, wherein the top and the bottom of the movable shell are both provided with a limiting plate, and one side of the movable shell is provided with a limiting shell; the utility model discloses a remove the shell, the limiting plate, spacing shell, the installation shell, the sucking disc, the screw rod, the movable block, the stopper, the slider, the spout, the connecting rod, stripper plate and the setting of pressing the briquetting, solved present dermatologist can shift and not accurate problem when leading to the pjncture needle to pierce skin because of the reason of pjncture needle syringe needle when carrying out the puncture operation for patient, this pjncture needle positioning mechanism, mode through the location, make the position that needs the puncture that finds that the doctor can be more quick, can not cause the doctor to need pierce patient's skin because of the cause of syringe needle again when having alleviateed patient's narcotic painful sense after, thereby influence the condition that patient's later stage resumes.

Description

Puncture needle positioning mechanism for dermatology department

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture needle positioning mechanism for dermatology.

Background

The skin is covered on the surface layer of a human body, the tissue directly contacts with the external environment, has the functions of protection, feeling, secretion, excretion, respiration and the like, is formed by tightly combining epidermis and dermis, the skin regeneration capability of people is very strong, but once the skin of people is necrotic, the skin needs to be treated in a hospital, in the treatment process, necrotic bad flesh under the skin tissue can be obtained through puncture for examination, a puncture needle can be used during skin puncture, a doctor firstly punctures an outer puncture needle into the skin during the puncture for a patient, then inserts an inner puncture needle into an outer puncture needle, and then the necrotic skin tissue of the patient can be taken out from the skin through an internal cutting mode, and the doctor can select an outer incision puncture needle for completing the puncture more quickly because the puncture needle does not have a mechanism for fixing at present, the knife edge is an inclined plane, the needle head is in an inclined plane state, the situation that the needle head is shifted and inaccurate can be avoided when the needle head penetrates into the skin, the situation occurs, doctors can take out the needle, then the needle head penetrates into the skin again, if the situation that the needle head is shifted occurs for many times, after the anesthetic of a patient passes through, the patient can feel extremely painful, meanwhile, the later recovery speed of the patient can be reduced, and therefore the puncture needle positioning mechanism for the dermatology department is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle positioning mechanism for dermatology possesses and prevents shifting and pierce accurate advantage, has solved present dermatology doctor and can shift and not accurate problem when leading to the pjncture needle to pierce skin because of the reason of pjncture needle syringe needle when carrying out the puncture operation for patient now.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture needle positioning mechanism for dermatology comprises a movable shell, wherein limiting plates are arranged at the top and the bottom of the movable shell, a limiting shell is arranged at one side of the movable shell, the inside of the limiting shell is sleeved with the limiting plates, an installation shell is arranged at one side of the limiting shell, one side of the installation shell is bolted with the limiting plates, a sucker is sleeved on the surface of the installation shell, through holes matched with the puncture needle for use are formed in the installation shell and the sucker, a screw rod is in threaded connection with the front side of the movable shell, one end of the screw rod penetrates through the inside of the movable shell and is rotatably connected with a movable block through a bearing, a limiting block is arranged at the other side of the movable block, one side of the limiting block is bolted with the inner side wall of the movable shell, sliders are in bolted connection with the top and the bottom of the movable shell, a chute in sliding connection with the sliders is formed in one side of the limiting plates, connecting, one end of the connecting rod is bolted with the extrusion plate, the other end of the connecting rod is bolted with the pressing block, and the front and the back of the limiting shell are both provided with a through groove matched with the pressing block for use.

Preferably, the pressing block is symmetrically provided with springs on one side far away from the connecting rod, the front and the back of the limiting shell are symmetrically bolted with L-shaped plates, and two ends of each spring are respectively bolted with the L-shaped plates and the pressing block through spring fixing pieces.

Preferably, telescopic rods are symmetrically bolted to one side, close to the screw, of the moving block, and the other ends of the telescopic rods are bolted to the inner side wall of the moving shell.

Preferably, one side, far away from the screw rod, of the moving block is bonded with a non-slip mat, and the other side of the non-slip mat is provided with non-slip lines.

Preferably, the other end of the screw is bolted with a rotating hand.

Preferably, a holding groove is punched on the surface of the limiting shell integrally.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a remove the shell, the limiting plate, spacing shell, the installation shell, the sucking disc, the screw rod, the movable block, the stopper, the slider, the spout, the connecting rod, stripper plate and the setting of pressing the briquetting, solved present dermatologist can shift and not accurate problem when leading to the pjncture needle to pierce skin because of the reason of pjncture needle syringe needle when carrying out the puncture operation for patient, this pjncture needle positioning mechanism, mode through the location, make the position that needs the puncture that finds that the doctor can be more quick, can not cause the doctor to need pierce patient's skin because of the cause of syringe needle again when having alleviateed patient's narcotic painful sense after, thereby influence the condition that patient's later stage resumes.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of a portion A of the structure of the present invention;

fig. 4 is a schematic diagram of the second embodiment of the present invention showing a part at B.

In the figure: 1. moving the shell; 2. a limiting plate; 3. a limiting shell; 4. mounting a shell; 5. a suction cup; 6. a screw; 7. a moving block; 8. a limiting block; 9. a slider; 10. a chute; 11. a connecting rod; 12. a pressing plate; 13. a pressing block; 14. a spring; 15. an L-shaped plate; 16. a telescopic rod; 17. turning the hand; 18. and (4) holding the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a puncture needle positioning mechanism for dermatology comprises a movable shell 1, a limiting plate 2 is disposed at the top and bottom of the movable shell 1, a limiting shell 3 is disposed at one side of the movable shell 1, the interior of the limiting shell 3 is sleeved with the limiting plate 2, an installation shell 4 is disposed at one side of the limiting shell 3, one side of the installation shell 4 is bolted with the limiting plate 2, a suction cup 5 is sleeved on the surface of the installation shell 4, through holes matched with the puncture needle are disposed in the installation shell 4 and the suction cup 5, a screw 6 is screwed on the front surface of the movable shell 1, one end of the screw 6 penetrates into the interior of the movable shell 1 and is rotatably connected with a movable block 7 through a bearing, a limiting block 8 is disposed at the other side of the movable block 7, one side of the limiting block 8 is bolted with the inner side wall of the movable shell 1, sliders 9 are bolted at the top and bottom of the movable shell 1, a chute 10 slidably connected with the sliders 9 is disposed at, the connecting rods 11 are symmetrically arranged in the limiting shell 3, one end of each connecting rod 11 is bolted with the extrusion plate 12, the other end of each connecting rod 11 is bolted with the pressing block 13, and the front and the back of the limiting shell 3 are respectively provided with the through grooves matched with the pressing blocks 13 for use, the utility model solves the problems that the puncture needle can shift and be inaccurate when a doctor in the dermatology department punctures the skin due to the puncture needle when the doctor punctures the skin, the puncture needle positioning mechanism can more quickly find the part needing puncture by the doctor in a positioning mode, the doctor can not puncture the skin of the patient due to the needle when the doctor needs to puncture the skin due to the puncture needle when the doctor can relieve the pain feeling of the patient after the anesthesia, thereby affecting the later recovery of the patient.

Further, according to the piece 13 and keeping away from one side symmetry of connecting rod 11 and be equipped with spring 14, the equal symmetry bolt in front and the back of spacing shell 3 has L shaped plate 15, and spring 14's both ends are passed through the spring mounting and are connected with L shaped plate 15 and press piece 13 bolt respectively, through the setting of spring 14 and L shaped plate 15 for press piece 13 and have possessed automatic re-setting's function after pressing the release, make the doctor more convenient when the operation.

Furthermore, the movable block 7 is symmetrically bolted with telescopic rods 16 at one side close to the screw 6, the other end of each telescopic rod 16 is bolted with the inner side wall of the movable shell 1, and the movable block 7 is limited by the arrangement of the telescopic rods 16, so that the screw 6 cannot drive the movable block 7 to rotate.

Furthermore, one side, far away from the screw rod 6, of the moving block 7 is bonded with an anti-slip pad, and the other side of the anti-slip pad is provided with anti-slip lines, so that the friction force between the moving block 7 and the puncture needle handle is increased, and the connection between the moving block 7 and the puncture needle handle is tighter.

Furthermore, the other end of the screw rod 6 is bolted with a rotating hand 17, and the rotating hand 17 is arranged, so that a user can conveniently rotate the screw rod 6, and the user can more save labor when rotating the screw rod 6.

Furthermore, the surface of the limiting shell 3 is integrally punched with a holding groove 18, and through the arrangement of the holding groove 18, the fingers of a doctor can be conveniently placed, so that the doctor can hold the limiting shell 3 more stably.

The working principle is as follows: when the puncture outer needle is used, the puncture outer needle is firstly inserted into the movable shell 1, then the rotating hand 17 is rotated, when the rotating hand 17 rotates, the screw rod 6 is driven to rotate through the matching between the rotating hand and the bearing, when the screw rod 6 rotates, the moving block 7 is driven to move, then the moving block 7 is directly fixed with the handle of the puncture outer needle, then the through hole formed in the sucker 5 is aligned with the part of a patient needing puncture, then the sucker 5 is fixed with the skin of the patient, then the groove 18 is held by one hand, the puncture outer needle handle is transversely pushed by the other hand, when the puncture outer needle handle is pushed, the movable shell 1 is driven to move through the matching between the sliding block 9 and the sliding groove 10, then the puncture outer needle can be straightly inserted into the skin of the patient along with the movable shell 1, when the puncture outer needle enters the skin of the patient, the puncture outer needle handle can reach the inner part of the limiting shell 3, then the two pressing blocks 13 are simultaneously held, when the pressing block 13 is pressed, the spring 14 is driven to extend, meanwhile, the pressing block 13 also drives the connecting rod 11 to move, the connecting rod 11 drives the extrusion plate 12 to move, then, the puncture inner needle is inserted into the puncture outer needle, and then, the puncture inner needle is rotated to cut and take out the required skin tissue.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A puncture needle positioning mechanism for dermatology, comprising a movable case (1), characterized in that: the puncture needle is characterized in that limiting plates (2) are arranged at the top and the bottom of the movable shell (1), a limiting shell (3) is arranged on one side of the movable shell (1), the limiting shell (3) is sleeved with the limiting plates (2), an installation shell (4) is arranged on one side of the limiting shell (3), one side of the installation shell (4) is bolted with the limiting plates (2), a sucker (5) is sleeved on the surface of the installation shell (4), through holes matched with the puncture needle for use are formed in the installation shell (4) and the sucker (5), a screw (6) is in threaded connection with the front side of the movable shell (1), one end of the screw (6) penetrates through the inside of the movable shell (1) and is rotatably connected with a movable block (7) through a bearing, a limiting block (8) is arranged on the other side of the movable block (7), and one side of the limiting block (8) is connected with the inner side wall of the movable shell (1), the top and the bottom of removal shell (1) all are bolted to have slider (9), one side of limiting plate (2) is seted up spout (10) with slider (9) sliding connection, the inside symmetry of spacing shell (3) is equipped with connecting rod (11), the one end bolt of connecting rod (11) has stripper plate (12), the other end bolt of connecting rod (11) has been connected and has been pressed briquetting (13), the logical groove that uses with pressing briquetting (13) cooperation has all been seted up to the front and the back of spacing shell (3).

2. A lancet positioning mechanism for dermatological use as claimed in claim 1, wherein: the spring (14) is symmetrically arranged on one side, far away from the connecting rod (11), of the pressing block (13), the L-shaped plates (15) are symmetrically bolted to the front face and the back face of the limiting shell (3), and the two ends of the spring (14) are respectively bolted to the L-shaped plates (15) and the pressing block (13) through spring fixing pieces.

3. A lancet positioning mechanism for dermatological use as claimed in claim 1, wherein: telescopic rods (16) are symmetrically bolted on one side, close to the screw (6), of the moving block (7), and the other end of each telescopic rod (16) is bolted on the inner side wall of the moving shell (1).

4. A lancet positioning mechanism for dermatological use as claimed in claim 1, wherein: and an anti-slip mat is bonded on one side of the moving block (7) far away from the screw rod (6), and anti-slip lines are arranged on the other side of the anti-slip mat.

5. A lancet positioning mechanism for dermatological use as claimed in claim 1, wherein: the other end of the screw rod (6) is bolted with a rotating hand (17).

6. A lancet positioning mechanism for dermatological use as claimed in claim 1, wherein: a holding groove (18) is integrally punched on the surface of the limiting shell (3).