CN114209394B - Clinical skin centre gripping subassembly of using - Google Patents

Abstract

The invention provides a clinical skin clamping assembly, which relates to the field of dermatology and comprises a round rod and hinged rods symmetrically arranged on two sides of the round rod, wherein the bottom end of each hinged rod is hinged with the side surface of the round rod; the driving part is arranged in the round rod and used for driving the hinge rod to rotate around a hinge point of the hinge rod and the round rod; the side surface of the ejector rod is fixed at the top end of the hinge rod, and a first sliding groove is formed in one side of the ejector rod; the bottom end of the first sliding block is connected with the first sliding chute in a sliding manner, and one end of the clamping rod is fixed at the top end of the first sliding block; one end of the first pull rod is fixed on the outer side surface of the first sliding block, the rotating rod is fixed on the outer side surface of the first sliding block, the gear is installed on the rotating rod, the top end of the rotating rod is rotatably connected with the rotating groove formed in the side surface of the hinged rod, and the gear is meshed with the first straight rack arranged on the first pull rod. Through this device, with skin centre gripping back, only need to grip the hinge bar can, it is more convenient to use.

Description

A clinical skin clamping component

technical field

The invention relates to the field of dermatology, in particular to a clinical skin clamping assembly.

Background technique

In clinical dermatology, it is a relatively routine and common clinical operation to disinfect skin lesions, apply medicine, and remove and sample necrotic epidermis, which generally needs to be done with the help of tweezers. At present, the tweezers used in dermatology are commonly used as general-purpose straight medical tweezers. Generally, the user needs to apply force while holding the tweezers, so as to clamp the skin, and then perform other operations.

The applicant found that when using tweezers to clamp the skin, the user needs to keep applying force, which is extremely inconvenient to use.

Contents of the invention

In view of this, the purpose of one or more embodiments of this specification is to propose a clinical skin clamping assembly to solve the problem in the prior art that when using tweezers to clamp the skin, the user needs to keep applying force all the time. Extremely inconvenient technical problem.

Based on the above purpose, one or more embodiments of this specification provide a clinical skin clamping assembly, the clamping assembly includes:

A round rod and hinged rods arranged symmetrically on both sides of the round rod, the bottom end of the hinged rod is hinged to the side surface of the round rod;

a driving part provided in the round rod, the driving part is used to drive the hinged rod to rotate around the hinge point of the hinged rod and the round rod;

The side surface is fixed to the push rod at the top of the hinged rod, and one side of the push rod is provided with a first chute;

a first slider whose bottom end is slidably connected to the first chute and a clamping rod whose one end is fixed to the top of the first slider;

One end is fixed on the first pull rod on the outer surface of the first slider, the rotating rod and the gear installed on the rotating rod. Engage with the first straight rack of the first pull rod.

Further, the drive unit includes:

A second sliding slot provided on the side surface of the hinge rod and a second sliding block slidingly connected with the second sliding slot;

A screw hole arranged in the round rod and a screw threadedly connected with the screw hole, the screw rod passing through one end of the round rod;

A linkage block with a through hole is provided at the center, the round rod passes through the through hole, and one side of the linkage block is hinged to the second slider;

The connection block fixed on the side wall of the through hole, the connection block is slidingly connected with the side groove provided on the side surface of the round rod, the side surface of the screw rod is provided with a circular groove, and one end of the connection block extends into the circular groove.

Further, the driving part further includes a spring arranged between the two hinged rods.

Further, the clamping assembly also includes:

an extension rod fixed at the front end of the ejector rod, the extension rod is provided with a perforation through its side surface;

A second pull rod slidably connected to the through hole and a cotton ball installed on the top of the second pull rod, the gear matches the second spur rack arranged on the second pull rod;

The switching part is arranged in the rotating rod, and the switching part is used to make the gear mesh with the first straight rack and/or make the gear mesh with the second straight rack.

Further, the gears include:

Two sets of driving wheels, the driving wheels include a number of adjusting teeth arranged in a circular array around the central axis of the rotating rod, and the adjusting teeth are slidably connected to the adjusting grooves provided on the side surface of the rotating rod;

The upper drive wheel matches the second spur rack; the lower drive wheel matches the first spur rack;

The switching unit includes:

an inner hole arranged inside the rotating rod and an inner rod slidingly connected with the inner hole;

One end is fixed to the linkage rod at the bottom of the adjusting tooth, the other end of the linkage rod is slidably connected to the linkage groove provided on the side surface of the inner rod, and the linkage groove includes straight grooves and arc-shaped grooves between the straight grooves;

The switching piece is arranged in the rotating rod, and the switching piece is used to drive the inner rod to slide.

Further, the switching member includes a first electromagnet fixed on the top of the inner hole and a second electromagnet fixed on the top of the inner rod.

Further, the clamping assembly also includes:

The cavity provided in the round rod and the adjustment plate slidingly connected with the cavity, one end of the screw rod extending into the inner cavity and fixedly connected with the adjustment plate, the side wall of the cavity is provided with a opening;

A block and a catheter matching the opening, one end of the catheter is connected to the guide hole arranged in the block, and the other end of the catheter is provided with two branch pipes, and the branch pipe is connected to the second branch pipe. The liquid guide holes in the two pull rods are in communication, and the liquid guide holes are in communication with the cotton balls.

Further, it also includes a flow rate regulator installed in the branch pipe.

Beneficial effects of the present invention: With the clinical skin clamping assembly of the present invention, when the skin needs to be clamped, an external force is first applied to the rotating rod, so that the rotating rod is rotated through the gear and the first straight rack. Engage the first slider to slide to the front of the first chute, so that the clamping rod protrudes in front of the ejector rod. After completion, withdraw the external force applied to the rotating rod, and then extend the clamping rod into the edge of the skin. Then apply external force to the driving part, so that the hinged rods are close to each other, so that the skin is finally clamped. After clamping, the external force applied to the driving part is withdrawn, so that the user only needs to move the hinged rod when performing the next step. Just hold it, it is more convenient to use. In addition, when operating the skin, it may only be necessary to pick up the damaged skin without clamping. At this time, an external force is applied to one of the rotating rods, so that the corresponding first slider moves in the direction of the rotating rod , so that the corresponding clamping rod moves to the top of the push rod, so that the user can operate the other clamping rod to achieve the purpose of provoking the skin.

Description of drawings

In order to more clearly illustrate one or more embodiments of this specification or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or prior art. Obviously, in the following description The accompanying drawings are only one or more embodiments of this specification, and those of ordinary skill in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is the front sectional view of the specific embodiment of the embodiment of the present invention;

Fig. 2 is the front cross-sectional view of the round rod in the specific implementation manner of the embodiment of the present invention;

Fig. 3 is a side sectional view of the round rod in the specific implementation manner of the embodiment of the present invention;

4 is a schematic diagram of a second tie rod in a specific implementation manner of an embodiment of the present invention;

Fig. 5 is a cross-sectional view of the transfer rod according to the specific implementation manner of the embodiment of the present invention.

Among them, 1. round rod; 2. hinged rod; 3. second chute; 4. second slider; 5. screw hole; 6. screw; 7. linkage block; 8. connecting block; 9. side groove; 10. Inner cavity; 11. Spring; 12. Block; 13. Catheter; 14. Flow rate regulator; 15. Ejector; 16. First chute; The first slider; 20, the first pull rod; 21, the second pull rod; 22, the clamp rod; 23, the cotton ball; 24, the extension rod; 25, the adjustment plate; 26, the liquid guide hole; Hole; 29, inner rod; 30, the first electromagnet; 31, the second electromagnet; 32, adjusting teeth; 33, adjusting groove; 34, linkage rod; 35, linkage groove; 36, circular groove.

detailed description

In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in one or more embodiments of the present specification shall have ordinary meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in one or more embodiments of the present specification do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Based on the above purpose, the first aspect of the present invention proposes an embodiment of a clinical skin clamping assembly, as shown in Figure 1, the clamping assembly includes:

The round rod 1 and the hinged rod 2 symmetrically arranged on both sides of the round rod 1, the bottom end of the hinged rod 2 is hinged with the side surface of the round rod 1;

The driving part provided in the round rod 1, the driving part is used to drive the hinged rod 2 to rotate around the hinge point of the hinged rod 2 and the round rod 1;

The side surface is fixed to the push rod 15 at the top of the hinge rod 2, and one side of the push rod 15 is provided with a first chute 16;

The first slider 19 whose bottom end is slidably connected to the first chute 16 and the clamping rod 22 whose one end is fixed to the top of the first slider 19;

One end is fixed on the first pull bar 20 on the outer surface of the first slide block 19, the rotating rod 18 and the gear installed on the rotating rod 18. The top of the rotating rod 18 is rotatably connected with the rotating groove 17 located on the side surface of the hinged rod 2, and the gear and The first straight rack provided on the first pull rod 20 is engaged with each other.

In this embodiment, when the skin needs to be clamped, an external force is first applied to the rotating rod 18, so that the rotating rod 18 drives the first slider 19 to slide to the The front portion of the first chute 16, so that the clamping rod 22 stretches out in front of the push rod 15. After completion, the external force applied to the rotating rod 18 is withdrawn, and then the clamping rod 22 is stretched into the skin edge, and then the driving part is applied. The external force makes the hinged rods 2 close to each other, so that the skin is finally clamped. After clamping, the external force applied to the driving part is withdrawn, so that the user only needs to hold the hinged rods 2 when performing the next operation. Yes, it is more convenient to use. In addition, when operating on the skin, it is possible to only need to pick up the damaged skin without clamping. If traditional tweezers are used, it is possible that during the process of lifting the skin with one tweezer leg, the other tweezer leg will Cause secondary damage to the skin, therefore, here, an external force is applied to one of the rotating rods 18, so that the corresponding first slider 19 moves toward the rotating rod 18, so that the corresponding clamping rod 22 moves to the top of the push rod 15 , In this way, the user can operate the other clamp bar 22 to achieve the purpose of provoking the skin without causing secondary damage to the skin.

Here, a structure of a driving part is introduced. As an implementation, as shown in Fig. 1, Fig. 2 and Fig. 3, the driving part includes:

The second sliding slot 3 provided on the side surface of the hinge rod 2 and the second sliding block 4 slidingly connected with the second sliding slot 3;

The screw hole 5 that is located in the round rod 1 and the screw rod 6 that is threadedly connected with the screw hole 5, the screw rod 6 passes through one end of the round rod 1;

A linkage block 7 with a through hole is provided at the center, the round rod 1 passes through the through hole, and one side of the linkage block 7 is hinged with the second slider 4;

The connection block 8 fixed on the side wall of the through hole, the connection block 8 is slidingly connected with the side groove 9 provided on the side surface of the round rod 1, the side surface of the screw rod 6 is provided with a circular groove 36, and one end of the connection block 8 extends to the circular groove 36 Inside.

In this embodiment, when the user holds the round rod 1 with one hand and rotates the screw 6 with the other hand, the screw 6 can move into the screw hole 5 or move out of the screw hole 5. At this time, That is, the connecting block 8 drives the linkage block 7 to move, and during the movement of the linkage block 7, it will drive the second slider 4 to move in the second chute 3, so that the hinge rod 2 rotates around the hinge point.

In addition, here, preferably, as shown in FIG. 1 , the driving part further includes a spring 11 arranged between the two hinged rods 2, and the spring 11 is always in a compressed state, so that the hinged rod 2 is more stable through the spring 11, Reduce the effect of clearance between machines.

As an implementation, as shown in Figure 1, the clamping assembly also includes:

An extension rod 24 fixed to the front end of the ejector rod 15, the extension rod 24 is provided with a perforation 27 through its side surface;

The second pull rod 21 that is slidably connected with the perforation 27 and the cotton ball 23 installed on the top of the second pull rod 21, the gear matches the second spur rack that is located on the second pull rod 21;

The switching part provided in the rotating rod 18 is used to make the gear mesh with the first straight rack and/or make the gear mesh with the second straight rack.

In this embodiment, when the skin is operated, the skin needs to be disinfected. At this time, it is best to pass through the switching part first, so that the gear meshes with the first straight rack and separates from the second straight rack. Then turn the rotating rod 18 so that the two clamping rods 22 move to the top of the push rod 15. After completion, the gear is engaged with the second spur rack and separated from the first spur rack through the switching part, and then the rotating rod 18 rotates, and then drives the second pull rod 21 to move a certain distance to the front of the push rod 15. After completion, the gears are meshed with the first gear and the second gear respectively through the switching part. At this time, the cotton ball 23 is applied to the skin Disinfection: After the disinfection is completed, the gear is engaged with the first spur rack and separated from the second spur rack through the switching part, and then the rotating rod 18 is rotated so that the two clamping rods 22 move to the front of the push rod 15, After completion, through the switching part, the gear is engaged with the second spur rack and separated from the first spur rack, then the rotating rod 18 is rotated, and then the second pull rod 21 is driven to move behind the clamp rod 22, so that the cotton ball 23 moves to the top of the clamping rod 22, and then passes through the switching part to make the gear mesh with the first gear and the second gear respectively.

As an implementation, as shown in Figure 1 and Figure 5, the gears include:

Two sets of driving wheels, the driving wheels include a number of adjusting teeth 32 arranged in a circular array around the central axis of the rotating rod 18, and the adjusting teeth 32 are slidingly connected to the adjusting groove 33 provided on the side surface of the rotating rod 18;

The upper drive wheel matches the second spur rack; the lower drive wheel matches the first spur rack;

Switching section includes:

An inner hole 28 disposed inside the rotating rod 18 and an inner rod 29 slidingly connected with the inner hole 28;

One end is fixed to the linkage rod 34 at the bottom of the adjustment tooth 32, and the other end of the linkage rod 34 is slidably connected to the linkage groove 35 provided on the side surface of the inner rod 29. The linkage groove 35 includes straight grooves and arc-shaped grooves between the straight grooves;

The switching part is arranged in the rotating rod 18, and the switching part is used to drive the inner rod 29 to slide.

In this embodiment, when one end of the linkage rod 34 is located in the straight groove, the outer side of the adjustment tooth 32 protrudes from the adjustment groove 33, so that the adjustment tooth 32 at the top will mesh with the second straight rack, and the adjustment tooth 32 at the bottom will mesh with the second straight rack. Teeth 32 will be meshed with the first straight rack; The rack is separated, and the adjustment tooth 32 located below will be separated from the first straight rack; here, the inner rod 29 can be driven to slide in the inner hole 28 through the switching piece, so that the linkage rod 34 can be moved in the linkage groove 35 position changes.

Here, a structure of a switching element is introduced. As shown in FIG. 5, the switching element includes a first electromagnet 30 fixed on the top of the inner hole 28 and a second electromagnet 31 fixed on the top of the inner rod 29;

In this embodiment, when the first electromagnet 30 and the second electromagnet 31 generate mutually repulsive forces, at this moment, one end of the upper linkage rod 34 is located in the straight groove above the arc groove, and the lower linkage rod 34 is located in the straight groove above the arc groove. One end of the rod 34 is located in the arc-shaped groove, and now the adjusting tooth 32 positioned on the top will protrude from the adjusting groove 33, and the adjusting tooth 32 positioned below will shrink into the adjusting groove 33; when the first electromagnet 30 and the second electromagnet When the electromagnet 31 generates a force of mutual attraction, the inner rod 29 will move upwards for a certain distance. At this time, one end of the upper linkage rod 34 is located in the arc-shaped groove, and one end of the lower linkage rod 34 is located in the arc-shaped groove. In the straight groove below, the adjusting tooth 32 that is positioned at the top will shrink in the adjusting groove 33 at this moment, and the adjusting tooth 32 that is positioned at the bottom will protrude the adjusting groove 33; When the first electromagnet 30 and the second electromagnet 31 generate During stronger mutually attractive power, this moment interior rod 29 will continue to move upwards for a certain distance, and now one end of the linkage lever 34 positioned at the top is positioned in the straight groove below the arc groove, and one end of the linkage lever 34 positioned below It is also located in the straight groove below the arc-shaped groove. At this time, the adjusting teeth 32 located above will protrude from the adjusting groove 33 , and the adjusting teeth 32 located below will also protrude from the adjusting groove 33 .

In addition, as an implementation, as shown in Figure 1 and Figure 4, the clamping assembly also includes:

The cavity located in the round rod 1 and the adjusting plate 25 slidingly connected with the cavity, one end of the screw rod 6 extends into the inner cavity 10, and is fixedly connected with the adjusting plate 25, and the side wall of the cavity is provided with a connection with the outside world. open mouth

Blocking block 12 and catheter 13 matched with opening, one end of catheter 13 is connected with the guide hole that is located at block 12, and the other end of catheter 13 is provided with two branch pipes, and branch pipe and is located at the second The liquid guide hole 26 in the pull rod 21 is in communication, and the liquid guide hole 26 is in communication with the cotton ball 23 .

Here, the disinfectant can be placed in the inner cavity 10 first, and when the screw 6 moves into the inner cavity 10, it will drive the adjustment plate 25 to push the disinfectant into the catheter 13, and finally pass through the catheter hole 26 Enter in the cotton ball 23, after two cotton balls 23 contact, stop driving screw rod 6, so can carry out disinfection.

In addition, as shown in Figure 1, it also includes a flow rate regulator 14 installed in the branch pipe, because when two cotton balls 23 contact, the disinfectant of one of the cotton balls 23 will also enter on the other cotton ball 23, so it can By means of the flow rate regulator 14 , a branch is closed, which reduces the sterilization left in the catheter hole 26 and the catheter 13 .

Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present disclosure (including claims) is limited to these examples; under the idea of the present disclosure, the above embodiments or Combinations can also be made between technical features in different embodiments, steps can be implemented in any order, and there are many other variations of the different aspects of one or more embodiments of this specification as described above, which are not included in the details for the sake of brevity. supply.

The description of one or more embodiments is intended to embrace all such alterations, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principles of one or more embodiments of the present specification shall fall within the protection scope of the present disclosure.

Claims (4)

1. A clinical skin clamping assembly, characterized in that, the clamping assembly comprises: A round rod (1) and hinged rods (2) arranged symmetrically on both sides of the round rod (1), the bottom end of the hinged rod (2) is hinged to the side surface of the round rod (1); a driving part provided in the round rod (1), the driving part is used to drive the hinged rod (2) to rotate around the hinge point of the hinged rod (2) and the round rod (1); The side surface is fixed to the ejector rod (15) at the top of the hinged rod (2), and one side of the ejector rod (15) is provided with a first chute (16); a first slider (19) whose bottom end is slidably connected to the first chute (16) and a clamping rod (22) whose one end is fixed to the top of the first slider (19); One end is fixed on the first pull rod (20) on the outer surface of the first slider (19), the rotating rod (18) and the gear installed on the rotating rod (18), the top of the rotating rod (18) is located on the The rotary groove (17) on the side surface of the hinged rod (2) is rotatably connected, and the gear meshes with the first straight rack provided on the first pull rod (20); The clamping assembly also includes: An extension rod (24) fixed on the front end of the ejector rod (15), the extension rod (24) is provided with a perforation (27) passing through its side surface; The second pull rod (21) slidingly connected with the through hole (27) and the cotton ball (23) installed on the top of the second pull rod (21), the gear and the first pull rod (21) arranged on the second pull rod (21) Two straight racks match; A switching part provided in the rotating rod (18), the switching part is used to make the gear mesh with the first spur rack and/or make the gear mesh with the second spur rack; The gears include: Two sets of driving wheels, the driving wheels include several adjusting teeth (32) arranged in a circular array around the central axis of the rotating rod (18), and the adjusting teeth (32) are connected to the side surface of the rotating rod (18) The adjustment groove (33) is slidingly connected; The upper drive wheel matches the second spur rack; the lower drive wheel matches the first spur rack; The switching unit includes: An inner hole (28) disposed inside the rotating rod (18) and an inner rod (29) slidingly connected to the inner hole (28); One end is fixed to the linkage rod (34) at the bottom of the adjustment tooth (32), and the other end of the linkage rod (34) is slidably connected to the linkage groove (35) provided on the side surface of the inner rod (29). The linkage groove ( 35) Including straight grooves and arc grooves between straight grooves; A switching piece arranged in the rotating rod (18), the switching piece is used to drive the inner rod (29) to slide; The drive unit includes: A second chute (3) provided on the side surface of the hinged rod (2) and a second slider (4) slidably connected to the second chute (3); The screw hole (5) provided in the round rod (1) and the screw rod (6) threadedly connected with the screw hole (5), the screw rod (6) passing through one end of the round rod (1); A linkage block (7) with a through hole is provided at the center, the round rod (1) passes through the through hole, and one side of the linkage block (7) is hinged to the second slider (4); The connection block (8) fixed on the side wall of the through hole, the connection block (8) is slidingly connected with the side groove (9) provided on the side surface of the round rod (1), and the side surface of the screw rod (6) is provided with A circular groove (36), one end of the connecting block (8) extends into the circular groove (36); The clamping assembly also includes: The cavity provided in the round rod (1) and the adjustment plate (25) slidingly connected with the cavity, one end of the screw (6) extends into the inner cavity (10), and is connected with the adjustment plate (25) Fixedly connected, the side wall of the cavity is provided with an opening communicating with the outside world; A block (12) and a catheter (13) matching the opening, one end of the catheter (13) is connected to the guide hole on the block (12), and the catheter (13) The other end is provided with two branch pipes, and the branch pipes communicate with the liquid guide hole (26) provided in the second pull rod (21), and the liquid guide hole (26) communicates with the cotton ball (23). 2. A clinical skin clamping assembly according to claim 1, characterized in that the driving part further comprises a spring (11) arranged between the two hinged rods (2). 3. A clinical skin clamping assembly according to claim 1, characterized in that the switching member includes a first electromagnet (30) fixed on the top of the inner hole (28) and a first electromagnet (30) fixed on the inner rod (29 ) on top of the second solenoid (31). 4. A clinical skin clamping assembly according to claim 1, further comprising a flow rate regulator (14) installed in the branch pipe.

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