CN212213834U

CN212213834U - Medical mouth gag

Info

Publication number: CN212213834U
Application number: CN201821172489.0U
Authority: CN
Inventors: 王东
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2020-12-25
Anticipated expiration: 2028-07-24

Abstract

The utility model relates to a medical mouth gag, the medical mouth gag includes needle portion (100) and handheld portion (200), needle portion (100) is the barred body structure, including needle point (110) and needle body (120), needle point (110) are the position of executing the operation, are used for pricking skin and guide needle body (120) to remove; the needle body 120 is a transition part which supports the needle point (110) and connects the needle point (110) and the handheld part (200); the needle tip (110) is an obtuse circular cone, and the top point of the needle tip (110) is of a circular arc surface or circular plane structure; the hand-held part (200) is a force application unit and is used for fixing the needle part (100) and driving the needle point (110) to penetrate into the skin by bearing external force. The utility model provides a medical mouth gag has punctiform characteristics such as prick, has greatly reduced execute the art wound, shortened and executed the art time, has increased the security of operation, and the device is simple, is convenient for use widely at the plastic trade.

Description

Medical mouth gag

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a medical mouth gag.

Background

With the improvement of the material level of people, people are more and more aware of the appearance of the people and pay attention to the image of the people, and many people hope to make the people more perfect through plastic surgery. The plastic surgery comprises various puncture operations such as liposuction, autologous fat transplantation, medical cosmetic injection, wound drainage and the like, and the incision operation on the skin is essential in the operation process. At present, the incision operation is generally performed by using a scalpel, the skin is incised to form a linear lesion on the surface of the skin (a sheet lesion inside the skin), and then a puncture surgical instrument such as a liposuction needle, a fat filling needle or an injection needle is inserted into the skin based on the incision to perform the related operation. The skin includes, in order from the superficial to the deep, the epidermis, the dermis and the hypodermal vascular network tissue. Since the skin is thin, the incision necessarily reaches deep into the sub-dermal vascular network tissue, which causes the following problems:

(I) when bleeding occurs, the blood spreads to influence the operation visual field, medical staff need to compress the blood vessel to stop bleeding, and the operation can be performed only after the clear operation visual field is obtained after cleaning, so that the operation time is inevitably prolonged;

(II) the operation time is long, and the aims of reducing the anesthesia time and anesthesia medication, reducing the accumulation and metabolism of anesthesia medicines in vivo and reducing the anesthesia medication to increase the operation safety cannot be achieved;

(III) the operation of the hypodermal blood vessel network tissue is related, the healing of the skin is compensatory healing, and the incision can leave a healing trace, namely a scar, which affects the beauty and reduces the sense of well-being of the plastic.

For the plastic doctor operation of being convenient for, make the plastic person have good experience, reduce anesthesia dosage and anesthesia time simultaneously when the operation, the postoperative does not have the scar and influences pleasing to the eye, avoids follow-up extra operation to get rid of the scar etc. and a medical mouth gag that reasonable in design, little and convenient to use to skin damage is needed urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present inventors have conducted intensive studies and provide a medical mouth gag, which comprises a needle portion and a hand-held portion, wherein the needle portion is of a rod structure, a needle point of the needle portion is a blunt circular cone, the hand-held portion is provided with a friction-increasing protrusion, and a blocking member is provided to provide a counterforce to an hand, so as to improve the stability of the operation. The punctiform of this mouth gag pierces characteristics etc. and has greatly reduced the wound of executing the art, shorten and execute the art time, and the device is simple, is convenient for use widely in the plastic trade to accomplish the utility model discloses.

The utility model aims to provide a medical mouth gag, which forms an opening with a set depth on the skin to ensure that a puncture surgical instrument is inserted into the skin to carry out related operations based on the opening, and comprises a needle part 100 and a handheld part 200,

the needle part 100 is a rod structure, and comprises a needle point 110 and a needle body 120,

the needle tip 110 is a site to be operated, and is used for piercing the skin and guiding the needle body 120 to move, and a point-shaped opening is formed on the surface of the skin; the needle body 120 is a transition part for supporting the needle point 110 and connecting the needle point 110 and the handheld part 200, and expands to form a linear pore inside the skin under the guidance of the needle point;

the needle tip 110 is a blunt circular cone, and the top point of the needle tip 110 is in a circular arc surface or circular plane structure; the cone angle alpha of the cone of the needle tip 110 is more than or equal to 20 degrees and less than or equal to 60 degrees, and preferably, the included angle alpha is more than or equal to 30 degrees and less than or equal to 50 degrees;

the hand-held portion 200 is a force application unit for fixing the needle portion 100 and driving the needle tip 110 to penetrate the skin by bearing an external force.

According to the utility model provides a medical mouth gag has following beneficial effect:

(1) in the utility model, the needle point is a blunt round cone, the vertex part has a certain area, and the needle does not have the sharpness characteristic, the needle does not cut the skin through the blade-shaped tip but enters the skin through the pressure of the handheld part, the probability that the tip punctures the blood vessel is extremely low, namely, the bleeding phenomenon does not exist, the operation process can be accelerated, the dosage of narcotic is reduced, and the operation safety is improved;

(2) in the utility model, the needle part is punctured into the skin in a point-like manner, compared with the linear puncturing of a scalpel, the damage to the blood vessel network under the dermis is small, the puncturing point is in a concave point state in a short time after the operation, the concave point disappears in 24h due to the elastic characteristic of the skin, and the puncturing point is consistent with other parts nearby, namely the point-like puncturing of the needle part ensures that the operation has the characteristic of no trace;

(3) in the prior art, a long puncture hole is formed in the surface of the skin after the skin is punctured by a scalpel (the wound in the skin is flaky and not linear), the puncture hole needs to be sutured, nursed with high cleanliness and removed from the wound after the operation, and the small wound caused by punctiform puncture of an opener does not need subsequent suturing and removing processes, and the wound is recovered quickly, so that the nursing time without high cleanliness is short, the medical treatment process is shortened, and the risk of postoperative infection caused by improper nursing of a patient is reduced;

(4) in the prior art, the surgical blade or the injection needle is a disposable consumable material, the cost is high, and the treatment of the two types of edge tools is a special treatment mode, so the difficulty is high;

(5) the utility model discloses in, medical mouth gag simple structure, processing is convenient, and the effect is outstanding, is convenient for use widely at medical plastic trade.

Drawings

Fig. 1 shows a medical mouth gag provided in embodiment 1 of the present invention;

fig. 2 shows a medical mouth gag provided in embodiment 2 of the present invention;

fig. 3 shows a medical mouth gag provided in embodiment 3 of the present invention;

fig. 4 shows a medical mouth gag provided in embodiment 4 of the present invention.

The reference numbers illustrate:

100-needle portion;

110-a needle tip;

120-needle body;

200-a hand-held portion;

210-a connecting segment;

220-a holding section;

300-barrier a;

400-barrier B.

Detailed Description

The features and advantages of the present invention will become more apparent and appreciated from the following detailed description of the invention.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

As shown in fig. 1 to 4, an object of the present invention is to provide a medical mouth gag for forming an opening of a set depth in skin, based on which a puncturing surgical instrument such as a liposuction needle, a fat filling needle or an injection needle is inserted into the skin to perform a related operation. For example, a 30G injection needle is conventionally used to directly inject hyaluronic acid, but direct injection may cause hyaluronic acid to enter into blood vessels of eyes due to misoperation (the position of a needle point cannot be judged by naked eyes), so as to cause the risk of blindness of eyes. After the medical mouth gag is adopted, the 30G injection needle is changed into the 18G injection needle, the needle head is thicker than the blood vessel, and the risk of injecting hyaluronic acid into the blood vessel is avoided.

Specifically, the medical mouth gag comprises a needle part 100 and a handheld part 200, wherein the needle part 100 is of a rod structure and comprises a needle point 110 and a needle body 120, and the needle point 110 is a surgical site and is used for puncturing the skin and guiding the needle body 120 to move; the needle body 120 is a transition part for supporting the needle point 110 and connecting the needle point 110 and the handheld part 200; the hand-held portion 200 is a force application unit for fixing the needle portion 100 and driving the needle tip 110 to penetrate the skin by bearing an external force.

In the utility model, the needle tip 110 is a blunt circular cone, the top of the needle tip 110 is a circular arc surface or a circular plane structure, the cone angle alpha of the needle tip 110 cone is not less than 20 degrees and not more than 60 degrees, preferably, the included angle alpha is not less than 30 degrees and not more than 50 degrees.

In a preferred embodiment, the radius of the cross section of the apex of the needle tip 110 is 0.1mm to 0.2mm, which is larger than the radius of the capillary vessel, i.e., the apex of the needle tip 110 has a certain area, so that the probability of the needle tip 110 penetrating the vessel is greatly reduced.

The blunt rounded design of the tip 110 and the requirement for the taper angle of the taper have a significant impact on the results that can be achieved:

(I) in order to avoid linear injury (sheet-shaped wound inside the skin) caused by skin surface incised by a scalpel, the inventor researches, and the needle head of the injection needle is adopted for skin opening work to achieve the purpose of reducing the wound and avoiding bleeding; the blunt round needle point is not sharp, does not cut the skin through the blade-shaped tip but enters the skin through the pressure of the handheld part, and does not damage the skin under the condition of no pressure or small pressure;

(II) along with the increase of the depth of the needle point after penetrating into the skin, the cone on the needle point plays a role in expanding the skin pressure, the cone has a large cone angle, such as the cone angle alpha is 90 degrees, the expanding pressure on the skin is rapidly increased in a short penetration depth interval, the cone is close to sharp penetration and is not beneficial to the stability of manual operation, and the bleeding injury is easily caused to the hypodermal vascular tissue because the penetration force is larger than the needle point with a small cone angle;

the taper angle of the cone is small, for example, the taper angle alpha is 15 degrees, although the puncture resistance is small and the manual operation is stable, because the taper angle is small, the needle body is correspondingly thin, the pressure expansion to the skin is limited (the skin is elastic, and the needle part gradually rebounds after being withdrawn from the skin), and the subsequent operation of the injection type operation related equipment based on the expanded opening is not facilitated.

The inventors have found in their studies that, due to the blunt circular design of the needle tip 110, the pressure at which the needle tip 110 penetrates the skin is lower than that of a scalpel or a syringe needle using the same amount of force, i.e., the amount of force required to penetrate the epidermis into the skin is increased. To facilitate holding the hand-held portion 200 to apply force to the needle tip 110, and to control the magnitude of the force: as shown in fig. 2 to 4, in one mode, a stopper a300 is provided at a position at the tail of the needle portion 100 close to the hand-held portion 200; or alternatively, a stopper B400 may be provided at a position near the needle portion 100 at the front end of the hand-held portion 200. In operation, the barrier A300 or the barrier B400 contacts the thumb to provide a reactive force to the thumb and to make the lancing process robust.

In a preferred embodiment, the stop A300 or stop B400 is an annular flap welded or bonded to the mouth gag setting.

In a preferred embodiment, the stop member A300 or the stop member B400 is two bar-shaped stop members welded or bonded to the mouth gag setting portion. Preferably, the blocking member a300 or the blocking member B400 is a rod-shaped blocking member, which has a simple structure, occupies a small space, and is convenient for sterilization.

In a preferred embodiment of the present invention, the needle body 120 is a cylinder structure having a sectional area equal to the maximum sectional area of the cone of the needle tip 110. The cylinder structure makes needle body 120 surface smooth not have sharp crest line, pierces process needle body 120 and is the flexible friction to skin, has greatly reduced the rigid damage to skin.

In a preferred embodiment of the present invention, the surface of the handle portion 200 is processed with a protrusion structure, if the handle portion 200 is made of aluminum material for supporting, a plurality of parallel lines are respectively processed on the surface of the handle portion 200 along two perpendicular directions to form a plurality of prismatic protrusions. The processing arrangement of the protruding structure increases the friction between the hand and the handheld portion 200, and increases the stability of the operation of the plastic physician.

In a preferred embodiment, the minimum cross-sectional area of the handle 200 is larger than the cross-sectional area of the needle body 120 in order to facilitate the fixation of the needle portion 100 and the gripping of the opener by a person.

In a preferred embodiment, the hand-held portion 200 includes a connecting section 210 and a holding section 220, the connecting section 210 has a smaller cross-sectional radius than the holding section 220, and the connecting section 210 is used for directly fixing the needle portion 100 and serves as a transition between the needle portion 100 and the holding section 220. The connecting section 210 is mainly provided to fix the needle portion 100 more stably, and avoid the problems of difficult processing and weak bonding caused by the direct connection of the thin needle portion 100 to the thick hand portion 200 (the holding section 220).

In a preferred embodiment, the mouth gag needle portion 100 has a length of 3.5cm to 5.5cm, preferably 4.0cm to 4.5cm, and the hand grip portion 200 has a length of 9.0cm to 11.0 cm. The length of the mouth gag needle portion 100 takes into account the maximum opening depth required for the relative operation of the piercing surgical instrument on the face, chest or buttocks; the length of the mouth gag handpiece 200 is determined taking into account the width of the orthopaedic surgeon's palm and the comfort of the grip.

In the present invention, the mouth gag is a reusable metal instrument, such as an aluminum instrument or an alloy instrument.

Examples

Example 1

As shown in fig. 1, a medical mouth gag, which is an aluminum medical instrument, comprises a needle part 100 and a hand-held part 200, wherein the length of the needle part 100 is 3.6cm, the length of the hand-held part 200 is 10.0cm,

the needle part 100 is a rod structure and comprises a needle point 110 and a needle body 120, wherein the needle point 110 is a surgical site and is used for penetrating into the skin and guiding the needle body 120 to move; the needle body 120 is a transition part for supporting the needle point 110 and connecting the needle point 110 and the handheld part 200; the hand-held portion 200 is a force application unit for fixing the needle portion 100 and driving the needle tip 110 to penetrate the skin by bearing an external force.

The needle tip 110 is a blunt circular cone, the top of the needle tip 110 is a circular arc surface, the section radius is 0.1mm, and the taper angle alpha of the cone of the needle tip 110 is 30 degrees.

The needle body 120 is a cylinder structure with the sectional area the same as the maximum sectional area of the cone of the needle point 110, the surface is smooth without bulge or burr, and the radius of the section is 0.2 mm.

The handheld portion 200 is cylindrical, the sectional area is larger than that of the needle body 120, the radius of the sectional area is 0.3mm, and a protrusion structure is formed on the surface of the handheld portion 200 and is a plurality of prismatic protrusions formed by a plurality of parallel lines respectively processed on the surface of the handheld portion in two perpendicular directions.

Example 2

As shown in fig. 2, a medical mouth gag, which is an aluminum medical instrument, comprises a needle part 100 and a hand-held part 200, wherein the length of the needle part 100 is 4.0cm, the length of the hand-held part 200 is 9.5cm,

The needle tip 110 is a blunt circular cone, the top of the needle tip 110 is a circular arc surface, the section radius is 0.1mm, and the taper angle alpha of the cone of the needle tip 110 is 46 degrees. The stop piece A300 is arranged at the tail part of the needle part 100 close to the handheld part 200, and is a welded and fixed annular stop piece, the width of the annular stop piece along the radius direction is 1.0cm, and during operation, the stop piece A300 is contacted with the thumb to provide reaction force for the thumb.

The needle body 120 is a cylinder structure with the same sectional area as the maximum sectional area of the cone of the needle tip 110, and the surface is smooth and has no bulge or burr.

The hand-held portion 200 includes a connecting section 210 and a holding section 220, the connecting section 210 has a smaller cross-sectional radius than the holding section 220, and the connecting section 210 is used for directly fixing the needle portion 100 and serves as a transition between the needle portion 100 and the holding section 220. The length of the connecting section 210 is 0.5cm and the length of the holding section 220 is 9.0 cm. The surface of the hand-held part 200 is processed with a protrusion structure, and the protrusion structure is a plurality of prismatic protrusions formed by a plurality of parallel lines respectively processed along two vertical directions on the surface of the hand-held part 200.

Example 3

As shown in fig. 3, a medical mouth gag, which is an aluminum medical instrument, comprises a needle part 100 and a hand-held part 200, wherein the length of the needle part 100 is 4.5cm, the length of the hand-held part 200 is 10.0cm,

The needle tip 110 is a blunt circular cone, the top of the needle tip 110 is a circular arc surface, the section radius is 0.1mm, and the taper angle alpha of the cone of the needle tip 110 is 60 degrees. A stop piece A300 is arranged at the tail part of the needle part 100 close to the hand-held part 200, and is a round rod-shaped stop piece fixed by welding, and the diameter of the stop piece A300 is 2.0 mm. In operation, the stop A300 contacts the thumb to provide a reaction force to the thumb.

The hand-held portion 200 includes a connecting section 210 and a holding section 220, the connecting section 210 has a smaller cross-sectional radius than the holding section 220, and the connecting section 210 is used for directly fixing the needle portion 100 and serves as a transition between the needle portion 100 and the holding section 220. The length of the connecting section 210 is 0.8cm and the length of the holding section 220 is 9.2 cm. The surface of the hand-held part 200 is processed with a protrusion structure, and the protrusion structure is a plurality of prismatic protrusions formed by a plurality of parallel lines respectively processed along two vertical directions on the surface of the hand-held part 200.

Example 4

As shown in fig. 4, a medical mouth gag, which is an aluminum medical instrument, comprises a needle part 100 and a hand-held part 200, wherein the length of the needle part 100 is 4.5cm, the length of the hand-held part 200 is 10.0cm,

The needle tip 110 is a blunt circular cone, the top of the needle tip 110 is a circular arc surface, the section radius is 0.1mm, and the taper angle alpha of the cone of the needle tip 110 is 60 degrees. The needle body 120 is a cylinder structure with the same sectional area as the maximum sectional area of the cone of the needle tip 110, and the surface is smooth and has no bulge or burr.

The hand-held portion 200 includes a connecting section 210 and a holding section 220, the connecting section 210 has a smaller cross-sectional radius than the holding section 220, and the connecting section 210 is used for directly fixing the needle portion 100 and serves as a transition between the needle portion 100 and the holding section 220. The length of the connecting section 210 is 0.8cm and the length of the holding section 220 is 9.2 cm. The surface of the hand-held part 200 is processed with a protrusion structure, and the protrusion structure is a plurality of prismatic protrusions formed by a plurality of parallel lines respectively processed along two vertical directions on the surface of the hand-held part 200. A stop B400 is arranged at the front end of the holding section 220 close to the needle part 100, and is a round rod-shaped stop fixed by welding, and the diameter of the stop B400 is 2.0 mm. In operation, the stop B400 contacts the thumb to provide a reaction force to the thumb.

The invention has been described in detail with reference to specific embodiments and/or illustrative examples and the accompanying drawings, which, however, should not be construed as limiting the invention. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present invention and embodiments thereof without departing from the spirit and scope of the present invention, and all fall within the scope of the present invention. The protection scope of the present invention is subject to the appended claims.

Claims

1. A medical mouth gag, characterized in that an opening with a set depth is formed in skin by the medical mouth gag so that a puncture surgical instrument performs a relevant operation based on the opening penetrating into the skin, the medical mouth gag comprises a needle part (100) and a hand-held part (200),

the needle part (100) is of a rod structure and comprises a needle point (110) and a needle body (120), wherein the needle point (110) is an operation part and is used for penetrating into the skin and guiding the needle body (120) to move, and a point-shaped opening is formed on the surface of the skin; the needle body (120) is a transition part for supporting the needle point (110) and connecting the needle point (110) and the handheld part (200), and expands to form a linear pore in the skin under the guidance of the needle point; the needle tip (110) is an obtuse circular cone, and the top point of the needle tip (110) is of a circular arc surface or circular plane structure;

the taper angle alpha of the cone of the needle tip (110) is more than or equal to 20 degrees and less than or equal to 60 degrees;

the section radius of the top point of the needle point (110) is 0.1 mm-0.2 mm;

the handheld part (200) is a force application unit and is used for fixing the needle part (100) and driving the needle point (110) to penetrate into the skin by bearing external force;

the length of the mouth gag needle part (100) is 3.5 cm-5.5 cm; the length of the hand-held part (200) is 9.0 cm-11.0 cm.

2. The medical mouth gag of claim 1, characterized in that the cone angle a of the needle tip (110) cone is 30 ° ≦ α ≦ 50 °.

3. The medical mouth gag of claim 1, characterized by a needle body (120) of cylindrical configuration with the same cross-sectional area as the largest cone cross-sectional area of the needle tip (110).

4. The medical mouth gag of claim 1, characterized in that a stopper B (400) is provided at the front end of the hand grip (200) near the needle (100).

5. The medical mouth gag of claim 4, characterized by the barrier B (400) being an annular flap welded or glued to the mouth gag setting.

6. The medical mouth gag of claim 4, characterized in that the stop B (400) is two bar-like stops welded or glued opposite to each other at the mouth gag setting location.

7. The medical mouth gag of claim 1, characterized by a protrusion structure machined on the surface of the hand piece (200).

8. The medical mouth gag of claim 1, characterized by a handheld part (200) with a larger cross-sectional area than the needle body (120);

the handheld part (200) comprises a connecting section (210) and a holding section (220), the section radius of the connecting section (210) is smaller than that of the holding section (220), and the connecting section (210) is used for directly fixing the needle part (100) and used as a transition of the needle part (100) and the holding section (220).

9. The medical mouth gag of claim 1, whereby the mouth gag needle (100) has a length of 4.0-4.5 cm.