CN219814205U - Deep operation retractor for oral cavity - Google Patents

Abstract

The utility model discloses an oral deep surgical retractor which comprises a surgical retractor main body, wherein the surgical retractor main body consists of a fixed hook body, an expanding part and a movable hook body. According to the utility model, the movable hook body is adopted, in use, a person can open the sealing cover plate according to different lengths of the surgical retractor main body used as required, then the movable hook body is pulled to enable the movable hook body to perform corresponding telescopic operation, then the expansion or contraction amount is controlled by observing the positioning scales, after the adjusted amount meets the requirements of the person, the fastening bolt can be installed in the butt joint hole again to realize the fixing operation of the movable hook body, and further the adjustment of the whole length of the surgical retractor main body is realized.

Description

Deep operation retractor for oral cavity

Technical Field

The utility model relates to the technical field of dental medical instruments, in particular to an oral deep surgical retractor.

Background

The surgical retractor is one of the common instruments for oral and maxillofacial surgery, is an important clinical standby tool for ensuring successful tooth extraction operation, and has very important effect. The existing general type drag hook only plays a role in exposing the operation field, but the structure of the oral cavity and the jaw face is complex, the incision is small, the operation part is deep, the existing drag hook can not fully expose the operation field of the deep tissue of the oral cavity, even if shadowless lamplight is exposed, the direct vision irradiation can not be realized, the ordinary tooth extraction forceps can not finish tooth extraction operation, great difficulty is brought to tooth extraction operation, and especially tooth extraction operation on a rear tooth area is realized. Clinicians often can only operate under blind vision based on the experience of the operator, which adds a certain risk and difficulty to the surgical procedure, is prone to damaging soft tissue within the wound, and extends the surgical time due to insufficient field exposure.

The prior art has the following publication numbers: CN210277241U is a novel deep surgical retractor for oral cavity, which comprises a handle and a hook body, wherein the hook body is arranged at the end part of the handle, the handle is in an S shape, and the number of the hook bodies is two, and the hook bodies are respectively arranged at the two ends of the handle. In the deep surgical operation process of the oral and maxillofacial region, the handle is in the shape of the stretched S, so that the surgical field of view can be well exposed, a clinician can conveniently and quickly finish tooth extraction, and the damage to soft tissues in the mouth caused by using the tooth extraction pliers in the deep part of the oral cavity is avoided.

The above patent still has certain drawbacks in use: the length of the retractor is controlled within 18 cm-22 cm in order to ensure the exposure of the surgical field and avoid the interference to the surgery, and the retractor is integrally formed, so that the retractor with different lengths can be produced to meet the requirements of different sizes during the surgery, the normal purchasing cost is increased, the applicable range and the use flexibility of the retractor are greatly reduced, and the use effect is not ideal.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the deep surgical retractor for the oral cavity, which has the advantages of size adjustment, wide application range and flexible use, and further solves the problems in the prior art.

(II) technical scheme

In order to realize the advantages of the size adjustment, wide application range and flexible use, the utility model adopts the following specific technical scheme:

the utility model provides an oral cavity deep surgical retractor, includes the surgical retractor main part, the surgical retractor main part comprises fixed hook body, expansion portion and removal hook body, fixed hook body and expansion portion one end fixed connection, remove hook body and expansion portion other end sliding connection, expansion portion top one side position rotates and is connected with sealed apron, the connecting hole has been seted up to expansion board top surface intermediate position, and the inside threaded connection of connecting hole has the fastening bolt, remove hook body surface position along the orbit and be equipped with a plurality of groups butt joint hole, remove hook body top both sides position symmetry and carve and have a plurality of groups location scale, fixed hook body one end and remove hook body one end position and be equipped with protruding hook body and concave hook body respectively.

Further, a limiting groove for accommodating the fastening bolt is formed in the surface of one side of the sealing cover plate.

Further, the top end position of one side surface of the sealing cover plate is connected with a mounting bolt, and a fixing hole for mounting and use is formed in the corresponding position of the top of the expanding part.

Further, the expansion part is made of medical transparent plastic materials.

Further, the concave hook body, the fixed hook body, the convex hook body and the movable hook body are all made of medical metal materials.

Further, a sliding groove for moving the movable hook body is formed in the expansion part.

Further, a bulge for preventing falling off is arranged at one side of the bottom end of the movable hook body.

Further, the fastening bolt and the mounting bolt are both made of medical materials.

(III) beneficial effects

Compared with the prior art, the utility model provides the deep surgical retractor for the oral cavity, which has the following beneficial effects:

(1) According to the utility model, by adopting the movable hook body, in the actual use process, a person can open the sealing cover plate according to the difference of the lengths of the surgical retractor main bodies used as required, then take out the fastening bolts therein, then pull the movable hook body on one side, so that the movable hook body can perform corresponding left-right telescopic operation, then the person can observe the positioning scales on the surface of the movable hook, thereby controlling the expansion or contraction amount, after the adjustment amount reaches the personnel requirement, the fastening bolts can be installed in the butt joint holes again, the fixing operation of the movable hook body is realized, the overall length adjustment of the surgical retractor main bodies is further realized, the surgical operation requirement can be better used, the overall use range and the use flexibility of the device can be enhanced through adjustment, the surgical retractor with different lengths is not required to be purchased, the cost consumption can be reduced, and the device has the advantages of more humanization, size adjustment, wide application range and flexible use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a deep surgical retractor for the oral cavity according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the expansion part of the present utility model;

fig. 3 is a schematic view of the structure of the moving hook of the present utility model.

In the figure:

1. a surgical retractor body; 2. a concave hook body; 3. positioning scales; 4. a fixing hole; 5. an expansion unit; 6. a fixed hook body; 7. a male hook body; 8. a connection hole; 9. a fastening bolt; 10. sealing the cover plate; 11. a limiting groove; 12. a mounting bolt; 13. a butt joint hole; 14. the hook body is moved.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, there is provided a deep surgical retractor for an oral cavity.

The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, the deep surgical retractor for the oral cavity according to the embodiment of the utility model comprises a surgical retractor main body 1, wherein the surgical retractor main body 1 is composed of a fixed hook body 6, an expanding part 5 and a movable hook body 14, the fixed hook body 6 is fixedly connected with one end of the expanding part 5, the movable hook body 14 is slidingly connected with the other end of the expanding part 5, a sealing cover plate 10 is rotationally connected at one side position of the top of the expanding part 5, a connecting hole 8 is arranged at the middle position of the top surface of the expanding plate, a fastening bolt 9 is connected inside the connecting hole 8 in a threaded manner, a plurality of groups of butt joint holes 13 are arranged at the surface position of the movable hook body 14 along a track, a plurality of groups of positioning scales 3 are symmetrically carved at two sides of the top of the movable hook body 14, a convex hook body 7 and a concave hook body 2 are respectively arranged at one end of the fixed hook body 6 and one end of the movable hook body 14, the facility of the positioning scale 3 is used for facilitating personnel to penetrate through the expansion length of the movable hook body 14, the arrangement of the butt joint holes 13 according to the track is used for ensuring that the butt joint holes can be accurately aligned with the connecting holes 8 when moving, ensuring that the fastening bolts 9 can be smoothly inserted to realize fixed operation, ensuring the use strength and the use stability of the integrally formed surgical retractor, ensuring that the sum of the lengths of the fixed hook body 6 and the movable hook body 14 is 18cm, then the length of the expansion part 5 is 6cm, ensuring that the length of the integral surgical retractor main body 1 is 18-22cm when adjusting (2 cm at more positions of the expansion part 5 is provided with redundancy to prevent the movable structural body 14 from falling off), and ensuring that the length of the retractor is insufficient when the length is less than 18cm and the surgical retractor can not fully expose the surgical field of deep tissues of the oral cavity when performing deep surgery; when the length is more than 22cm, when deep oral surgery is performed, too many parts are exposed to the outside, which may interfere with the surgery and waste materials.

In one embodiment, a limiting groove 11 for accommodating the fastening bolt 9 is formed in a position of one side surface of the sealing cover plate 10.

In one embodiment, the top end of one side surface of the sealing cover plate 10 is connected with a mounting bolt 12, and a fixing hole 4 for mounting is formed at the corresponding position of the top of the expanding part 5.

In one embodiment, the expansion part 5 is made of a medical grade transparent plastic material, and the medical grade transparent plastic material is used for avoiding shielding the operation vision of the operator during operation, ensuring expansion and avoiding interference to the operation.

In one embodiment, the female hook body 2, the fixed hook body 6, the male hook body 7 and the moving hook body 14 are all made of medical metal materials, and the medical metal materials are used for guaranteeing the use safety and the use strength of the structure, guaranteeing the rigidity of the retractor, avoiding the discomfort reaction such as anaphylactic stimulation to the wound of the operated person, and referring to the medical stainless steel or titanium alloy, and the size of the structure can be referred to in the prior publication as follows: CN210277241U is a novel size in the deep surgical retractor for oral cavity, ensuring the use effect.

In one embodiment, a chute for moving the movable hook 14 is provided in the expansion part 5.

In one embodiment, a protrusion for preventing falling is provided at a side of the bottom end of the movable hook 14, and the protrusion is provided to ensure that the movable hook 14 does not fall off from the inside of the expansion part 5 when moving, so as to ensure use safety and stability.

In one embodiment, the fastening bolt 9 and the mounting bolt 12 are made of medical materials, and the fastening bolt 9 and the mounting bolt 12 are made of medical materials for fixing, and medical stainless steel or titanium alloy can be used for avoiding threat to personnel during operation.

Working principle: in the actual use process, personnel can open the sealing cover plate 10 according to different lengths of the surgical retractor main body 1 used as required, then take out the fastening bolt 9 therein, then pull the movable hook body 14 on one side, so that the movable hook body 14 can perform corresponding left-right telescopic operation, then the personnel can observe the positioning scale 3 on the surface of the movable hook, thereby controlling the expansion or contraction amount, after the adjusted amount meets the personnel requirement, the fastening bolt 9 can be installed in the butt joint hole 13 again, the fixing operation of the movable hook body 14 is realized, the overall length of the surgical retractor main body 1 is further adjusted, the surgical operation requirement can be better used, the whole use range and the use flexibility of the device can be enhanced through adjustment, the surgical retractor with different lengths is not required to be purchased, the cost consumption can be reduced, the more humanized is realized, the expansion part 5 for expanding is made of medical transparent plastic materials, the influence on the personnel during the surgery can be reduced, the use effect can be ensured, the subsequent personnel can pick up the teeth through the root of the concave hook body 2, and the tooth can be easily pulled out by the lever principle, and the teeth can be easily pulled down by the tooth teeth of the other end; the convex hook body 7 is used for pulling out gum soft tissues and exposing the operation vision, and the whole device has the advantages of size adjustment, wide application range and flexible use.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an oral cavity deep surgical retractor, includes surgical retractor main part (1), its characterized in that, surgical retractor main part (1) comprises fixed coupler body (6), expansion portion (5) and removal coupler body (14), fixed coupler body (6) and expansion portion (5) one end fixed connection, remove coupler body (14) and expansion portion (5) other end sliding connection, expansion portion (5) top one side position rotation is connected with sealed apron (10), connecting hole (8) have been seted up to expansion portion top surface intermediate position, and connecting hole (8) internal thread connection has binding bolt (9), remove coupler body (14) surface position along the orbit and be equipped with a plurality of groups butt joint hole (13), a plurality of groups location scales (3) have been carved with to removal coupler body (14) top both sides position symmetry, fixed coupler body (6) one end and removal coupler body (14) one end position are equipped with protruding coupler body (7) and concave coupler body (2) respectively.

2. The deep surgical retractor for the oral cavity according to claim 1, wherein a limiting groove (11) for accommodating the fastening bolt (9) is formed in a side surface position of the sealing cover plate (10).

3. The deep surgical retractor for the oral cavity according to claim 1, wherein the top end of one side surface of the sealing cover plate (10) is connected with a mounting bolt (12), and a fixing hole (4) for mounting is formed in a corresponding position of the top of the expanding part (5).

4. The deep surgical retractor of claim 1, wherein the expansion portion (5) is formed of a medical grade transparent plastic material.

5. The deep surgical retractor according to claim 1, wherein the female hook body (2), the fixed hook body (6), the male hook body (7) and the movable hook body (14) are all made of medical metal materials.

6. The deep surgical retractor for the oral cavity according to claim 1, wherein a chute for moving the movable hook body (14) is formed in the expansion part (5).

7. The deep surgical retractor for the oral cavity according to claim 1, wherein a protrusion for preventing falling off is provided at a side of a bottom end of the movable hook body (14).

8. The deep surgical retractor according to claim 1, wherein the fastening peg (9) and the mounting peg (12) are both made of medical material.