CN217285899U

CN217285899U - Soft tissue retractor for skull conization

Info

Publication number: CN217285899U
Application number: CN202220933219.7U
Authority: CN
Inventors: 白升伟; 潘亚文; 袁国强; 康暐; 董强; 王鸿宇; 方翔; 田国鹏; 罗玉松
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-26
Anticipated expiration: 2032-04-21

Abstract

The utility model provides a soft tissue retractor for awl cranium relates to medical instrument technical field for neurosurgery, and this soft tissue retractor includes the retractor body, still includes the portion of pulling out, and the portion of pulling out arranges the head of retractor body in, and with retractor body integrated into one piece, and the portion of pulling out is established to the toper structure, and is mutually perpendicular with retractor body place face, and the portion of pulling out struts the aperture that forms behind the soft tissue and the bone hole of skull on a straight line. The utility model discloses a lead out portion and adopt single toper structure, when leading out portion inserts between drill bit and the soft tissue before the awl cranium drill bit is extracted, compare with the claw shape structure that adopts two rows of parallels, reduced the risk of fish tail drainage tube.

Description

Soft tissue retractor for skull conization

Technical Field

The utility model relates to the technical field of medical instruments for neurosurgery, in particular to a soft tissue retractor for an encephalum.

Background

The skull-drilling is an emergency operation when the cerebral hemorrhage or intracranial high pressure of a patient, a skull-drilling bit (about the thickness of a refill of a gel pen) is used for drilling the scalp and the skull, then the drilling bit is pulled out, and a drainage tube is arranged; however, after the drill bit is pulled out, surrounding soft tissues such as temporal muscles and the like are easy to rebound and close to cover or block bone holes, and a large amount of time is needed to find the small holes again during the tube placement, so that the emergency treatment of patients is not facilitated.

However, the traction devices of mastoid retractors for retraction in the prior art are relatively large and cannot be placed in the small hole of the skull, as shown in fig. 1, and secondly, most of the retraction parts of the retraction devices are in two parallel claw-shaped structures, the claw-shaped structures have a plurality of branches, and the risk of scratching the drainage tube is inevitably caused during operation.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a soft tissue retractor for cranium to solve the technical problem of the mastoid retractor adopted in the prior art that most of the retracting parts are two parallel rows of claw-shaped structures, which causes the risk of scratching the drainage tube.

In order to achieve the above object, the utility model provides a soft tissue retractor for awl cranium still includes the portion of leading out, the portion of leading out is arranged in the head of retractor body, and with retractor body integrated into one piece, the portion of leading out establishes to the toper structure, and with retractor body place face is mutually perpendicular, the portion of leading out props up the aperture that forms behind the soft tissue and the bone hole of cranium on a straight line.

According to an optional embodiment, the retractor body comprises a left retracting handle, a right retracting handle, a left retracting head and a right retracting head, the left retracting handle is connected with the left retracting head, the right retracting handle is connected with the right retracting head, the connection position of the left retracting handle and the left retracting head is hinged with the connection position of the right retracting handle and the right retracting head, and the retracting part is arranged at the tail ends of the left retracting head and the right retracting head.

According to an alternative embodiment, the retraction portion comprises a left retraction portion disposed at a distal end of the left retraction head and perpendicular to the left retraction head, and a right retraction portion disposed at a distal end of the right retraction head and perpendicular to the right retraction head.

According to an alternative embodiment, the left and right retracting portions are each provided in a tapered configuration, and the tapered portions of the left and right retracting portions are distal from the left and right retracting heads.

According to an alternative embodiment, the left and right retracting parts are oppositely arranged, and two side arc-shaped edges of the left retracting part and two side arc-shaped edges of the right retracting part are smoothly bent to approach each other.

According to an alternative embodiment, the left and right retracting heads are both provided in a wave-like configuration.

According to an alternative embodiment, the left and right lead heads each comprise a small arc section and a large arc section, the small arc section of the left lead head and the small arc section of the right lead head forming a closed structure, and the large arc section of the left lead head and the large arc section of the right lead head forming a closed structure.

According to an optional embodiment, the left retracting part is vertically arranged below the small arc section of the left retracting head, and the right retracting part is vertically arranged below the small arc section of the right retracting head.

According to an alternative embodiment, the left and right retracting handles are provided with a positive locking structure on opposite inner sides.

According to an optional embodiment, the limit locking structure is a sawtooth strip, and the sawtooth strips arranged on the left retraction handle and the right retraction handle are oppositely buckled.

The utility model provides a soft tissue retractor for awl cranium has following technological effect:

this kind of soft tissue retractor includes retractor body and leads out the portion, leads out the portion and arranges the head of retractor body in to with retractor body integrated into one piece, lead out the portion perpendicular with the somatic part of retractor body, lead out the portion and can insert between drill bit and the soft tissue before the awl cranium drill bit is extracted, extract the drill bit again after around the soft tissue is led out, the utility model discloses a lead out the portion and adopt single toper structure, when leading out the portion and insert between drill bit and the soft tissue before the awl cranium drill bit is extracted, compare with the claw shape structure that adopts two rows of parallels, reduced the risk of fish tail drainage tube.

In addition, the body part of the retractor is perpendicular to the body part of the retractor, and the small hole formed after the soft tissue is opened by the retractor is in the same straight line with the bone hole of the skull, so that the drainage tube is prevented from being bent or scratched.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a mastoid retractor according to the prior art;

fig. 2 is a first perspective view of a soft tissue retractor for cranium conization according to an embodiment of the present invention;

fig. 3 is a second perspective view of the soft tissue retractor for coning a cranium of fig. 1.

Wherein, fig. 2-3:

1. a retractor body; 11. a left retraction handle; 12. a right retraction handle; 13. a left tow head; 131. a large arc segment; 132. a small arc segment; 14. a right hand head; 141. a large arc section; 142. a small arc segment; 15. an arc-shaped channel; 16. a sawtooth strip;

2. a retracting part; 21. a left retracting part; 22. and a right retracting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

As mentioned in the background art, the traction devices of mastoid retractors for retraction in the prior art are large and cannot be placed in the small hole of the skull, and secondly, the retraction parts of most of the retraction devices are in two parallel rows of claw-shaped structures, so that the risk of scratching the drainage tube exists.

Based on this, the utility model provides a soft tissue retractor includes retractor body and the portion of retracting, and the portion of retracting arranges the head of retractor body in to with retractor body integrated into one piece, the portion of retracting is perpendicular with the somatic part of retractor body, and the portion of retracting can insert between drill bit and the soft tissue before the awl cranium drill bit is extracted, extracts the drill bit again after around the soft tissue is retracted, the utility model discloses a portion of retracting adopts single toper structure, when the portion of retracting inserts between drill bit and the soft tissue before the awl cranium drill bit is extracted, compares with the claw shape structure that adopts two rows of parallels, has reduced the risk of fish tail drainage tube.

The technical solution of the present invention will be explained in detail with reference to the specific drawings 2-3.

As shown in fig. 2 and fig. 3, the soft tissue retractor of the present invention is used for retracting a skull, and includes a retractor body 1 and a retracting part 2, the retractor body 1 includes a head and a body, the retracting part 2 is located on the head of the retractor body 1, and is specifically a single cone-shaped structure, the cone-shaped structure is convenient for inserting between a drill bit and a soft tissue, and is also not easy to scratch a drainage tube.

In addition, the retracting part 2 is vertical to the body part of the retractor body 1, and a small hole formed after the retracting part 2 props up soft tissues is in the same line with a bone hole of a skull, so that the drainage tube is prevented from being bent or scratched to a certain extent.

Specifically, as shown in fig. 2 and 3, the retractor body 1 includes that the left pulls out handle 11, the right pulls out handle 12, the left head 13 that pulls out and the right head 14 that pulls out, and the left handle 11 that pulls out and the right handle 12 that pulls out all are equipped with the snap ring, the utility model discloses do not do the restriction to the shape of snap ring, as long as can reach handheld purpose, all be in the utility model discloses an within the protection scope.

The left retracting handle 11 is connected with the left retracting head 13, the right retracting handle 12 is connected with the right retracting head 14, and the connection means that the two retracting handles are integrally formed. The joint of the left retracting handle 11 and the left retracting head 13 is hinged with the joint of the right retracting handle 12 and the right retracting head 14, fingers are clamped into the snap ring, and the left retracting handle 11 and the right retracting handle 12 drive the left retracting head 13 and the right retracting head 14 to rotate within a certain angle range by taking the hinged joint as a center, so that retracting action is completed.

As shown in fig. 2 and 3, the retracting part 2 is disposed at the distal ends of the left retracting head 13 and the right retracting head 14, and includes a left retracting part 21 and a right retracting part 22, the left retracting part 21 is disposed at the distal end of the left retracting head 13 and is perpendicular to the left retracting head 13, and the disposition here means that the left retracting part 21 is integrally formed with the left retracting head 13; the right retracting part 22 is arranged at the tail end of the right retracting head 14 and is perpendicular to the right retracting head 14, and the arrangement here also means that the right retracting part 22 is integrally formed with the right retracting head 14.

Here, the left and right retracting

parts

21 and 22 are both provided with a tapered structure, and the tapered parts of the left and right retracting

parts

21 and 22 are far away from the left and right retracting

heads

13 and 14, and the tapered parts are convenient for being inserted between the soft tissue drill bit and the soft tissue.

As shown in fig. 2 and 3, the left retracting part 21 formed in a tapered configuration and the right retracting part 22 formed in a tapered configuration are oppositely disposed, and the relative disposition refers to that two arc-shaped edges of the left retracting part 21 and two arc-shaped edges of the right retracting part 22 are smoothly bent to be close to each other, so that the spliced arc-shaped channel 15 is formed between the left retracting part 21 and the right retracting part 22.

More specifically, as shown in fig. 2 and 3, the left retracting head 13 and the right retracting head 14 are both provided with wave-shaped structures, the left retracting head 13 and the right retracting head 14 both include a small arc 142,132 and a large arc 141,131, the small arc 142,132 is located at one end of the left retracting head 13 and the right retracting head 14 far away from the left retracting handle 11 and the right retracting handle 12, the large arc 141,131 is located at one end of the left retracting head 13 and the right retracting head 14 near the left retracting handle 11 and the right retracting handle 12, and the small arc 142,132 and the large arc 141,131 are in natural engagement transition.

The small arc 132 of the left retractor head 13 and the small arc 142 of the right retractor head 14 form a closed structure, and the large arc 131 of the left retractor head 13 and the large arc 131 of the right retractor head 14 form a closed structure.

Wherein, the left part 21 of leading out is located the below of the little segmental arc 132 of left side retractor head 13 perpendicularly, and the right part 22 of leading out is located the below of the little segmental arc 142 of right side retractor head 14 perpendicularly, and the closed structure that the little segmental arc 132 of left side retractor head 13 and the little segmental arc 142 of right side retractor head 14 formed sets up with the arc passageway 15 of the concatenation that left part 21 and the right part 22 of leading out formed is leading out to the improvement retractor accuracy degree of inserting.

In addition, the opposite inner sides of the left retraction handle 11 and the right retraction handle 12 are provided with a limit locking structure, as shown in fig. 2, the limit locking structure is preferably a sawtooth strip 16, the sawtooth strips 16 arranged on the left retraction handle 11 and the right retraction handle 12 are oppositely buckled, the two buckled sawtooth strips 16 prevent the left retraction handle 11 and the right retraction handle 12 from rotating excessively, and the proper opening and closing degree of the left retraction handle 11 and the right retraction handle 12 is ensured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A soft tissue retractor for a skull comprises a retractor body and is characterized by further comprising a retracting part, wherein the retracting part is arranged on the head of the retractor body and integrally formed with the retractor body, the retracting part is of a conical structure and is perpendicular to the surface of the retractor body, and a small hole formed by the retracting part after the soft tissue is stretched is in the same straight line with a bone hole of the skull.

2. The soft tissue retractor for cranium conization of claim 1, wherein the retractor body comprises a left retraction handle, a right retraction handle, a left retraction head, and a right retraction head, wherein the left retraction handle is connected to the left retraction head, the right retraction handle is connected to the right retraction head, the connection of the left retraction handle to the left retraction head is hinged to the connection of the right retraction handle to the right retraction head, and the retraction portion is disposed at the distal end of the left retraction head and the right retraction head.

3. The soft tissue retractor for coning the cranium as recited in claim 2, wherein the retraction portion comprises a left retraction portion disposed distal to and perpendicular to the left retraction head and a right retraction portion disposed distal to and perpendicular to the right retraction head.

4. The soft tissue retractor for coning a cranium of claim 3, wherein the left and right retracting portions are each provided in a tapered configuration, and wherein the tapers of the left and right retracting portions are distal from the left and right retracting heads.

5. The soft tissue retractor for coning the cranium as recited in claim 4, wherein the left and right retracting portions are oppositely disposed and both side arcuate edges of the left retracting portion and both side arcuate edges of the right retracting portion are smoothly curved toward each other.

6. The soft tissue retractor for coning the cranium of claim 3, wherein the left distracting head and the right distracting head are each provided in a wave-like configuration.

7. The soft tissue retractor for a cranium of claim 6, wherein the left lead head and the right lead head each comprise a small arc segment and a large arc segment, the small arc segment of the left lead head and the small arc segment of the right lead head forming a closed structure, the large arc segment of the left lead head and the large arc segment of the right lead head forming a closed structure.

8. The soft tissue retractor for cranium coning of claim 7, wherein the left retracting portion is vertically disposed below the minor arc segment of the left retracting head and the right retracting portion is vertically disposed below the minor arc segment of the right retracting head.

9. The soft tissue retractor for cranium coning according to any of claims 2-8, wherein the left retraction handle and the right retraction handle are provided with a positive lock on opposing inner sides.

10. The soft tissue retractor for cranium conization of claim 9, wherein the positive lock is provided as a serrated bar, and the serrated bars disposed on the left retraction handle and the right retraction handle are relatively snap-fitted.