CN219646443U

CN219646443U - Automatic dismounting device for injection needle

Info

Publication number: CN219646443U
Application number: CN202320539779.9U
Authority: CN
Inventors: 王君婷; 徐琳; 邓荣纳; 张阳晴; 林雅茹; 杨素真; 郑晖; 朱晓云; 曾艳; 阳燕; 皮甜甜; 梁美琦
Original assignee: Stomatological Hospital Of Southern Medical University
Current assignee: Stomatological Hospital Of Southern Medical University
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-08
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the technical field of medical equipment in the department of stomatology, and particularly discloses an automatic disassembly device for an injection needle, which comprises the following components: the front wall of the shell is provided with a containing through hole, the shell is provided with a mounting cavity, and the shell is provided with a control module; the driving device is arranged in the mounting cavity and is connected with the shell; the clamping device is connected with the driving device and corresponds to the position of the accommodating through hole; the induction module is arranged on the hole wall of the accommodating through hole; the driving device, the clamping device and the sensing module are electrically connected with the control module, and the diameter of the accommodating through hole is gradually reduced along the direction from the accommodating through hole to the mounting cavity. The utility model has the advantage that the syringe can be inserted into the accommodating through hole to automatically detach the needle.

Description

Automatic dismounting device for injection needle

Technical Field

The utility model relates to the technical field of medical equipment in the department of stomatology, in particular to an automatic dismounting device for an injection needle.

Background

The oral anesthesia technology is an essential important means for reducing pain of patients in the oral diagnosis and treatment process, and especially the application of oral maxillofacial surgery, medical acute phase, oral implantation and the like is more common. The clinically common injectors comprise a disposable plastic syringe injector, a disposable painless anesthetic tube for STA and a metal injector (with a clamping part type, a pen type, a gun type and the like), wherein the disposable plastic syringe injector needs to suck anesthetic, is easy to cause medicine pollution, and increases the risk of acupuncture and common cold; the disposable painless anesthesia catheter for the STA needs to be matched with a painless anesthesia instrument for use, and the cost is high after the disposable painless anesthesia catheter for the STA is used. Therefore, the metal injector is mostly used clinically, and has the characteristics of simple operation, strong adaptability, repeated disinfection and sterilization, low cost and the like.

At present, after oral treatment is finished, the disposable injection needle used for anesthesia needs to be returned to the needle cap to be manually separated from the metal syringe, but in the process of freehand grasping and rotary separation, the medical staff is extremely easy to be injured by the needle due to the short needle, tight sleeve joint between the needle cylinder and the needle, urgent operation and the like, and further infection is caused.

Disclosure of Invention

The utility model aims to provide an automatic disassembly device for an injection needle, which has the advantage that the injection needle can be automatically disassembled by inserting an injector into a containing through hole.

The technical aim of the utility model is realized by the following technical scheme:

an automatic disassembly device for an injection needle, comprising:

the front wall of the shell is provided with a containing through hole, the shell is provided with a mounting cavity, and the shell is provided with a control module;

the driving device is arranged in the mounting cavity and is connected with the shell;

the clamping device is connected with the driving device and corresponds to the position of the accommodating through hole;

the induction module is arranged on the hole wall of the accommodating through hole;

the driving device, the clamping device and the sensing module are electrically connected with the control module, and the diameter of the accommodating through hole is gradually reduced along the direction from the accommodating through hole to the mounting cavity.

Compared with the prior art, the utility model respectively controls the driving device, the clamping device and the sensing module to operate through the control module, one end of the syringe with the injection needle is inserted into the mounting cavity through the accommodating through hole, the diameter of the accommodating through hole gradually becomes smaller along the direction of insertion of the syringe, so that the syringe cannot completely pass through the accommodating through hole, the syringe is contacted with the sensing module and the injection needle is positioned in the mounting cavity, the sensing module sends feedback to the control module, the control module controls the driving device and the clamping device to operate, the clamping device clamps the needle, the driving device rotates and moves to detach the needle from the syringe, and the automatic detachment of the needle is completed, so that the problem that the medical staff is pricked by the needle due to urgent operation and the like when the medical staff manually detach the needle is effectively avoided.

As a preferred embodiment of the present utility model, the driving device includes:

the translation driving mechanism is arranged in the mounting cavity and is connected with the shell;

the rotary driving mechanism is arranged in the mounting cavity and slidably arranged on the shell, and is in transmission connection with the translation driving mechanism;

wherein, clamping device with rotary drive mechanism connects.

By adopting the scheme, when the clamping device performs the clamping action on the needle head, the clamping device rotates, the needle head falls off from the injector, and meanwhile, the translation driving mechanism can provide a force for the rotation driving mechanism to move backwards, so that the clamping device can rotate and move backwards in the process of clamping the needle head, and the disassembly of the needle head is completed.

As a preferred embodiment of the present utility model, the translational driving mechanism includes:

the translation driving motor is arranged in the mounting cavity and is connected with the inner bottom wall of the shell;

the translation driving gear is arranged on a driving shaft of the translation driving motor and is in transmission connection with the rotation driving mechanism;

and the translation driving motor is electrically connected with the control module.

By adopting the scheme, the translation driving gear is arranged on the driving shaft of the translation driving motor and is in transmission connection with the rotation driving mechanism, and when the translation driving motor operates, the translation driving gear is driven to rotate, so that the rotation driving mechanism can move under the action of the translation driving gear.

As a preferred embodiment of the present utility model, the rotation driving mechanism includes:

the bottom wall of the driving fixing seat is provided with a rack, and the driving fixing seat is in transmission connection with the translation driving mechanism through the rack;

the rotary driving motor is arranged on the driving fixing seat, and the clamping device is connected with a driving shaft of the rotary driving motor;

the sliding rod is arranged on the inner side wall of the shell, one end of the sliding rod is arranged in the sliding groove, and the other end of the sliding rod is connected with the driving fixing seat;

wherein, the rotary driving motor is electrically connected with the control module.

By adopting the scheme, the rotary driving motor is arranged on the driving fixing seat, the driving fixing seat is in transmission connection with the translation driving mechanism through the rack, the driving fixing seat can move along the sliding groove through the matching of the sliding rod and the sliding groove when the translation driving mechanism operates, and then the rotary driving motor can move along the sliding groove when operating, so that the disassembly efficiency of the needle head is improved.

As a preferred embodiment of the present utility model, the clamping device includes:

the clamping fixing seat is connected with the rotary driving mechanism, a mounting frame is arranged on the clamping fixing seat, and a mounting through hole is formed in the mounting frame;

the clamping steering engine is arranged on the mounting frame through the mounting through hole, and a mounting plate is detachably arranged on the clamping steering engine;

the clamping assembly is arranged on the mounting plate and is connected with a driving shaft of the clamping steering engine;

the clamping steering engine is electrically connected with the control module.

By adopting the scheme, the mounting frame and the mounting through hole can provide a mounting foundation for the clamping steering engine, and the clamping assembly is connected with the transmission shaft of the clamping steering engine, so that the clamping steering engine can control the operation of the clamping assembly, and the clamping assembly is driven to clamp the injection needle.

As a preferable scheme of the utility model, the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are both movably connected to the mounting plate, the first clamping jaw is in meshed connection with the second clamping jaw, and the first clamping jaw is connected with a driving shaft of the clamping steering engine.

By adopting the scheme, the clamping rudder can control the first clamping jaw to rotate, and further the clamping action of the first clamping jaw and the second clamping jaw can be realized because the first clamping jaw is meshed with the second clamping jaw.

As a preferable scheme of the utility model, the end of the first clamping jaw, which is far away from the clamping steering engine, and the end of the second clamping jaw, which is far away from the clamping steering engine, are both provided with clamping parts.

By adopting the scheme, the clamping part can better clamp the needle head on the injector, so that the disassembly efficiency of the needle head is improved.

In a preferred embodiment of the present utility model, the clamping portion is arcuate.

By adopting the scheme, the clamping part is arc-shaped, so that the clamping part can be more attached to the needle, the contact area between the clamping part and the needle is increased, the friction force is increased, and the disassembly efficiency of the needle is further improved.

As a preferable scheme of the utility model, the sensing module is a pressure sensor.

By adopting the scheme, when the injector is in contact with the pressure sensor module through the accommodating through hole, the pressure sensor can timely acquire the pressure between the needle head and the pressure sensor, and then data is fed back to the control module.

The automatic dismounting device for the injection needle has the following beneficial effects: the pressure sensor sets up and is close to the pore wall that holds the through-hole at the mounting panel, the syringe inserts the installation cavity through holding the through-hole, the lateral wall of syringe can be with pressure sensor contact, pressure sensor is with data feedback to control module, control module can control the operation of centre gripping steering wheel and make first clamping jaw and second clamping jaw operate and carry out the centre gripping to the syringe needle, the rotatory driving motor of reconcontrol and translation driving motor operation, rotatory driving motor operation drives clamping device rotatory, translation driving motor operation enables rotatory driving motor and backward movement, and then accomplish the automatic dismantlement to the syringe needle, the dismantlement efficiency of syringe needle has been improved, and the problem that medical personnel was stabbed by the syringe needle can be avoided.

Drawings

FIG. 1 is a top view showing the internal structure of an automatic needle removing device according to the present utility model;

FIG. 2 is a side view showing the internal structure of an automatic syringe needle removing apparatus according to the present utility model;

FIG. 3 is a schematic view showing a structure of a clamping device in an automatic disassembling device for an injection needle according to the present utility model;

in the figure: 1. a housing; 11. a chute; 2. a receiving through hole; 3. a mounting cavity; 4. a driving device; 41. a translational drive mechanism; 411. a translation driving motor; 412. a translation drive gear; 42. a rotary driving mechanism; 421. driving the fixing seat; 422. a rack; 423. a rotary drive motor; 424. a slide bar; 5. a clamping device; 51. clamping the fixing seat; 52. a mounting frame; 53. mounting through holes; 54. clamping a steering engine; 55. a mounting plate; 56. a clamping assembly; 561. a first jaw; 562. a second jaw; 563. a clamping part; 6. and the sensing module.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an automatic dismounting device for an injection needle.

Referring to fig. 1 and 2, in an embodiment of the present utility model, the automatic disassembly device for an injection needle includes: a housing 1, a drive device 4, a clamping device 5 and an induction module 6. The front wall of the shell 1 is provided with a containing through hole 2, the shell 1 is provided with a mounting cavity 3, and the shell 1 is provided with a control module; the driving device 4 is arranged in the installation cavity 3 and is connected with the shell 1; the clamping device 5 is connected with the driving device 4 and corresponds to the position of the accommodating through hole 2; the induction module 6 is arranged on the wall of the accommodating through hole 2; wherein the driving means 4, the clamping means 5 and the sensing module 6 are all electrically connected with the control module, the diameter of the receiving through hole 2 is gradually smaller in the direction from the receiving through hole 2 to the mounting cavity 3, and the smallest diameter needs to be smaller than or equal to the diameter of the syringe for the purpose of restricting the syringe from entering the mounting cavity 3 through the receiving through hole, in this embodiment, the smallest diameter of the receiving through hole 2 is set to be the same as the diameter of the syringe. The driving device 4, the clamping device 5 and the sensing module 6 are controlled to operate respectively through the control module, one end of the syringe with the injection needle is inserted into the installation cavity 3 through the accommodating through hole 2, the diameter of the accommodating through hole 2 is gradually reduced along the direction of the insertion of the syringe, the minimum diameter is equal to the diameter of the syringe, meanwhile, the syringe cannot completely pass through the accommodating through hole 2 due to the fact that the wall of the accommodating through hole 2 is also provided with the sensing module 6, the syringe is in contact with the sensing module and the injection needle is located in the installation cavity, the sensing module 6 sends feedback to the control module, the control module controls the driving device 4 and the clamping device 5 to operate, the clamping device 5 clamps the needle, the driving device 4 rotates and moves to detach the needle from the syringe, and the automatic detachment of the needle is completed, so that the medical staff is stabbed by the needle due to reasons such as urgent operation when the medical staff manually detach the needle is effectively avoided.

Referring to fig. 1 and 2, in one embodiment, the driving device 4 includes: a translational drive mechanism 41 and a rotational drive mechanism 42, the translational drive mechanism 41 being disposed within the mounting cavity 3 and connected to the housing 1; the rotary driving mechanism 42 is arranged in the mounting cavity 3 and slidably arranged on the shell 1, and the rotary driving mechanism 42 is in transmission connection with the translation driving mechanism 41; wherein the clamping device 5 is connected to a rotary drive 42. The rotation driving mechanism 42 can rotate the clamping device 5 when the clamping device 5 performs a clamping action on the needle, so that the needle falls off from the syringe, and meanwhile, the translation driving mechanism 41 can provide a force for the rotation driving mechanism 42 to move backwards, so that the clamping device 5 can rotate and move backwards in the process of clamping the needle, thereby completing the disassembly of the needle.

Referring to fig. 2, in one embodiment, the translation driving mechanism 41 includes: a translation driving motor 411 and a translation driving gear 412, the translation driving motor 411 being disposed in the installation cavity 3 and connected with the inner bottom wall of the housing 1; the translation driving gear 412 is arranged on the driving shaft of the translation driving motor 411 and is in transmission connection with the rotation driving mechanism 42; wherein the translation driving motor 411 is electrically connected with the control module. The translation driving gear 412 is disposed on the driving shaft of the translation driving motor 411 and is in transmission connection with the rotation driving mechanism 42, and when the translation driving motor 411 operates, the translation driving gear 412 is driven to rotate, so that the rotation driving mechanism 42 can move under the action of the translation driving gear 412.

Referring to fig. 2, in one embodiment, the rotary drive mechanism 42 includes: the driving fixing plate, the rotary driving motor 423 and the sliding rod 424, wherein a rack 422 is welded on the bottom wall of the driving fixing seat 421, and the driving fixing seat 421 is in meshed connection with the translation driving gear 412 through the rack 422; the rotary driving motor 423 is mounted on the driving fixing seat 421 through a bolt, and the clamping device 5 is connected with a driving shaft of the rotary driving motor 423; the inner side wall of the shell 1 is provided with a sliding groove 11, one end of a sliding rod 424 is arranged in the sliding groove 11 through a sliding block, and the other end is welded with a driving fixed seat 421; wherein, rotary drive motor 423 is connected with the control module electricity. The rotary driving motor 423 is arranged on the driving fixing seat 421 through a bolt, the driving fixing seat 421 is in transmission connection with the translation driving mechanism 41 through the rack 422, the driving fixing seat 421 can move along the chute 11 through the cooperation of the sliding rod 424 and the chute 11 when the translation driving mechanism 41 operates, and then the rotary driving motor 423 can move along the chute 11 when operating, so that the disassembly efficiency of a needle is improved.

Referring to fig. 3, in one embodiment, the clamping device 5 comprises: the clamping fixing seat 51, the clamping steering engine 54 and the clamping assembly 56 are connected with a driving shaft of the rotary driving motor 423 through flange bolts, the clamping fixing seat is welded with the mounting frame 52, and the mounting frame 52 is provided with the mounting through hole 53; part of the clamping steering engine 54 passes through the mounting through hole 53 and is mounted on the mounting frame 52 through bolts, and a mounting plate 55 is mounted on the clamping steering engine 54 through screws; the clamping assembly 56 is arranged on the mounting plate 55 and is connected with a driving shaft of the clamping steering engine 54; the sensing module 6 is adhered to the hole wall of the accommodating through hole 2, and the clamping steering engine 54 is electrically connected with the control module. The mounting frame 52 and the mounting through hole 53 can provide a mounting foundation for the clamping steering engine 54, and the clamping assembly 56 is connected with a transmission shaft of the clamping steering engine 54, so that the clamping steering engine 54 can control the operation of the clamping assembly 56, and the clamping assembly 56 is driven to clamp the injection needle.

Referring to fig. 3, in one embodiment, the clamping assembly 56 includes a first jaw 561 and a second jaw 562, the first jaw 561 and the second jaw 562 are each mounted on the mounting plate 55 via a rotation shaft, the first jaw 561 is in meshed connection with the second jaw 562, and the first jaw 561 is connected with a drive shaft of the clamping steering engine 54. The clamping steering engine 54 can control the first clamping jaw 561 to rotate, and further the clamping action of the first clamping jaw 561 and the second clamping jaw 562 can be achieved because the first clamping jaw 561 is in meshed connection with the second clamping jaw 562.

Referring to fig. 3, in one embodiment, the end of the first clamping jaw 561 away from the clamping steering engine 54 and the end of the second clamping jaw 562 away from the clamping steering engine 54 are both provided with a clamping portion 563, the clamping portion 563 is located on the same plane with the mounting plate 55 and the pressure module 6, and in other embodiments, an anti-slip layer can be adhered to the clamping portion 563 to improve the friction force between the clamping portion 563 and the needle, and the anti-slip layer may be made of rubber, for example; in other embodiments, the pressure sensor may be provided between the anti-slip layer and the clamping portion 563 to monitor the force between the clamping portion 563 and the needle, thereby further improving the clamping stability. The clamping part 563 can better clamp the needle head on the injector, and the disassembly efficiency of the needle head is improved.

Referring to fig. 3, in an embodiment, the clamping portion 563 is arcuate. The clamping part 563 is arc-shaped, so that the clamping part 563 can be more attached to the needle, the contact area between the clamping part 563 and the needle is increased, the friction force is increased, and the disassembly efficiency of the needle is further improved.

Referring to fig. 3, in one embodiment, the sensing module 6 is two pressure sensors, and the two pressure sensors are uniformly distributed on the wall of the hole for accommodating the through hole 2 and are close to the position for installing the through hole; in other embodiments, the effect of improving sensing accuracy can be achieved by providing a different number of pressure sensors, and the number of pressure sensors is not limited herein. When the injector is in contact with the pressure sensor module through the accommodating through hole 2, the pressure sensor can timely acquire the pressure between the needle head and the pressure sensor, and then data is fed back to the control module.

The pressure sensor is arranged on one side surface of the mounting plate 55, which is close to the accommodating through hole 2, the syringe is inserted into the mounting cavity 3 through the accommodating through hole 2, the needle on the syringe is contacted with the pressure sensor, the pressure sensor feeds data back to the control module, the control module can control the clamping steering engine 54 to operate so as to enable the first clamping jaw 561 and the second clamping jaw 562 to operate so as to clamp the needle, then control the rotary driving motor 423 and the translation driving motor 411 to operate, the rotary driving motor 423 operates so as to drive the clamping device 5 to rotate, the translation driving motor 411 operates so as to enable the rotary driving motor 423 to move backwards, and then automatic disassembly of the needle is completed, the disassembly efficiency of the needle is improved, and the problem that medical staff is stabbed by the needle is avoided.

The working principle of the utility model is as follows: the medical staff holds the syringe end with the syringe needle and inserts the syringe into installation cavity 3 through holding through-hole 2 until the syringe is contradicted with pressure sensor, control module receives pressure sensor's feedback this moment, control clamping steering wheel 54 operation makes first clamping jaw 561 and second clamping jaw 562 carry out the centre gripping to the syringe needle, control module again control rotation driving motor 423 and translation driving motor 411 operation, first clamping jaw 561 and second clamping jaw 562 move backward while rotating under rotation driving motor 423 and translation driving motor 411's effect, after syringe needle breaks away from with the syringe, translation driving motor 411 and rotation driving motor 423 stop the operation, clamping steering wheel 54 operation makes first clamping jaw 561 and second clamp and unclamp the syringe needle and make the syringe needle drop under its gravity's effect again this moment, rotation driving motor 423 and translation driving motor 411 reset in order to accomplish whole dismantlement process. It should be noted that, in this embodiment, the operation time of the translation driving motor 411 and the rotation driving motor 423 is controlled to ensure that the needle can be detached from the syringe, and in other embodiments, an infrared sensor or the like can be used to monitor the position of the rotation driving motor 423 to ensure that the needle can be detached from the syringe, so long as the needle can be detached from the syringe.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An automatic disassembly device for an injection needle, comprising:

2. The automatic needle removing device according to claim 1, wherein the driving means comprises:

wherein, clamping device with rotary drive mechanism connects.

3. The automatic disassembly device for injection needles according to claim 2, characterized in that: the translational drive mechanism includes:

4. An automatic needle removing device according to claim 3, wherein said rotary drive mechanism comprises:

5. The automatic needle removing device according to claim 2, wherein the holding means comprises:

the clamping steering engine is electrically connected with the control module.

6. The automatic disassembly device of an injection needle according to claim 5, wherein: the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are movably connected to the mounting plate, the first clamping jaw is connected with the second clamping jaw in a meshed mode, and the first clamping jaw is connected with a driving shaft of the clamping steering engine.

7. The automatic disassembly device of an injection needle according to claim 6, wherein: the first clamping jaw is kept away from the one end of centre gripping steering wheel and the second clamping jaw is kept away from the one end of centre gripping steering wheel all is provided with clamping part.

8. The automatic syringe needle removal device of claim 7, wherein: the clamping part is arc-shaped.

9. The automatic disassembly device for injection needles according to claim 1, characterized in that: the sensing module is a pressure sensor.