CN215778305U

CN215778305U - Posterior cranial fovea retractor for neurosurgery operation

Info

Publication number: CN215778305U
Application number: CN202121434976.1U
Authority: CN
Inventors: 吴过
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-11
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of medical equipment, in particular to a posterior cranial cavity retractor for neurosurgery, which comprises a retractor body, wherein the retractor body comprises a forceps body and an upper forceps opening assembly, the upper side of the forceps body is provided with the upper forceps opening assembly, a connecting seat and a distraction arm can be fixed or detached by pressing the pressing block through the arranged buffer spring, the pressing block and a limiting through groove, so that the distraction arm and a distraction hook can be directly replaced when damaged, the use of medical personnel is more convenient, the protection sponge sleeve can be antiskid and higher in comfort level in use through the arranged protection sponge sleeve, the influence on the use of the medical personnel due to too hard handle ring is avoided, the stability in use is higher, and the integral device is simple in structure and higher in practicability.

Description

Posterior cranial fovea retractor for neurosurgery operation

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a posterior cranial cavity retractor for neurosurgery.

Background

The posterior cranial fossa retractor is an operation instrument used in neurosurgery operation, is used for pulling the posterior cranial fossa soft tissue, the retraction arm of the existing posterior cranial fossa retractor is straight, when the tissue around the incision is retracted, the retraction arm can not be matched with the tissue incision after retraction, thereby causing the incision to be torn due to the action of the retraction arm, even having to cut a relatively large incision, causing pain to the patient and increasing the difficulty of the operation.

The existing posterior cranial fossa retractor does not have the dismounting function, and when the retracting arm or the retractor is damaged, the retracting arm or the retractor needs to be completely replaced, so that the use is inconvenient.

There is therefore a need for a neurosurgical posterior cranial cavity retractor that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a posterior cranial cavity retractor for neurosurgery, which solves the above problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a back cranial cavity retractor for neurosurgery comprises a retractor body, wherein the retractor body comprises a forceps body and an upper forceps opening component, the upper side of the forceps body is provided with the upper forceps opening component, the forceps body comprises a left half forceps, a right half forceps, a left forceps handle, a right forceps handle, a hinge pin, a handle ring, a protective sponge sleeve, a limiting rod, a limiting ring and a limiting block, the right side of the left half forceps is provided with a right half forceps, the bottom end of the left half forceps is provided with the left forceps handle, the bottom ends of the left half forceps and the right half forceps are connected through the hinge pin, the bottom end of the right half forceps is provided with the right forceps handle, the bottom ends of the left forceps handle and the right forceps handle are both provided with the handle ring, the outer wall of the handle ring is provided with the protective sponge sleeve, the inner side wall of the left forceps handle is provided with the limiting rod, the base surface of the right forceps handle is provided with the limiting ring, and the right end of the limiting rod penetrates through the limiting ring and is provided with the limiting block, go up to open subassembly and lead to the groove including connecting seat, tractive arm, tractive hook, buffer spring, according to the briquetting and spacing, the inside of connecting seat is provided with tractive arm, the upside of tractive arm lateral wall is provided with tractive hook, the inside downside of tractive arm is provided with buffer spring, buffer spring's one end is provided with presses the briquetting, the connecting seat with press the briquetting corresponding spacing logical groove of having seted up.

As a preferable scheme of the utility model, the left half tong and the right half tong are connected in a rotating way.

As the preferable scheme of the utility model, the connecting seats are respectively arranged at the end parts of the left half pliers and the right half pliers.

In a preferred embodiment of the present invention, the pressing block is connected to the retracting arm in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the medical retractor, the connecting seat and the retraction arm can be fixed or detached by pressing the pressing block through the buffer spring, the pressing block and the limiting through groove, so that the retraction arm and the retraction hook can be directly replaced when damaged, and medical staff can use the medical retractor conveniently.

2. According to the medical device, the protective sponge sleeve is arranged, so that the protective sponge sleeve can be prevented from slipping, the comfort level in use is high, the influence on the use of medical workers due to the fact that the handle ring is too hard is avoided, the stability in use is high, and the overall device is simple in structure and high in practicability.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an exploded view of a portion of the structure of the present invention;

fig. 3 is an internal structure view of the connecting base of the present invention.

In the figure: 1. a retractor body; 2. a clamp body; 3. an upper jaw opening assembly; 4. a left half of the pliers; 5. A right half clamp; 6. a left plier handle; 7. a right forceps handle; 8. a hinge pin; 9. a handle ring; 10. a protective sponge sleeve; 11. a limiting rod; 12. a limiting ring; 13. a limiting block; 14. a connecting seat; 15. a retracting arm; 16. retracting the hook; 17. a buffer spring; 18. a pressing block; 19. spacing logical groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a neurosurgery is with back cranium concave retractor, includes retractor body 1, and retractor body 1 is including pincers body 2 and last subassembly 3 of opening pincers, and the upside of pincers body 2 is provided with subassembly 3 of opening pincers.

In the embodiment, referring to fig. 1, a forceps body 2 includes a left forceps half 4, a right forceps half 5, a left forceps handle 6, a right forceps handle 7, a hinge pin 8, a handle ring 9, a protective sponge sleeve 10, a limiting rod 11, a limiting ring 12 and a limiting block 13, the right side of the left forceps half 4 is provided with the right forceps half 5, the bottom end of the left forceps half 4 is provided with the left forceps handle 6, the bottom ends of the left forceps half 4 and the right forceps half 5 are connected through the hinge pin 8, the bottom end of the right forceps half 5 is provided with the right forceps handle 7, the bottom ends of the left forceps handle 6 and the right forceps handle 7 are both provided with the handle ring 9, the outer wall of the handle ring 9 is provided with the protective sponge sleeve 10, the inner side wall of the left forceps handle 6 is provided with the limiting rod 11, the limiting ring 12 is arranged on the right forceps handle 7, the right end of the limiting rod 11 is provided with the limiting block 13 through the protective sponge sleeve 10, the sponge sleeve 10 can not only prevent slipping and has high comfort level when in use, avoid influencing medical personnel's use because of handle ring 9 is too hard, and stability when using is higher, and overall arrangement simple structure and practicality are higher.

In an embodiment, please refer to fig. 1, 2 and 3, the upper jaw assembly 3 includes a connection seat 14, a retracting arm 15, a retracting hook 16, a buffer spring 17, a pressing block 18 and a limiting through groove 19, the retracting arm 15 is disposed inside the connection seat 14, the retracting hook 16 is disposed on the upper side of the outer side wall of the retracting arm 15, the buffer spring 17 is disposed on the lower side of the inside of the retracting arm 15, the pressing block 18 is disposed at one end of the buffer spring 17, the limiting through groove 19 is disposed on the connection seat 14 and the pressing block 18 correspondingly, and the connection seat 14 and the retracting arm 15 can be fixed or detached by pressing the pressing block 18 through the arranged buffer spring 17, the retracting hook 16 and the retracting arm 15 can be directly replaced when damaged, so that medical staff can use the medical staff conveniently.

The working process of the utility model is as follows: when pulling away arm 15 or retracting hook 16 and damaging, press down and press piece 18, press piece 18 through buffer spring 17 shrink inwards, will pull away arm 15 upwards this moment to can dismantle, when needs installation, press piece 18, will pull away in arm 15 inserts connecting seat 14, when pressing piece 18 through spacing logical groove 19, buffer spring 17 will press piece 18 to pop out to fix in spacing logical groove 19, the installation is accomplished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A neurosurgical posterior cranial cavity retractor comprises a retractor body (1), and is characterized in that: the retractor body (1) comprises a forceps body (2) and an upper forceps opening component (3), the upper forceps opening component (3) is arranged on the upper side of the forceps body (2), the forceps body (2) comprises a left forceps half (4), a right forceps half (5), a left forceps handle (6), a right forceps handle (7), a hinge pin (8), a handle ring (9), a protective sponge sleeve (10), a limiting rod (11), a limiting ring (12) and a limiting block (13), the right forceps half (5) is arranged on the right side of the left forceps half (4), the left forceps handle (6) is arranged at the bottom end of the left forceps half (4), the bottom ends of the left forceps half (4) and the right forceps half (5) are connected through the hinge pin (8), the right forceps handle (7) is arranged at the bottom end of the right forceps half (5), the handle rings (9) are arranged at the bottom ends of the left forceps handle (6) and the right forceps handle (7), and the protective sponge sleeve (10) is arranged on the outer wall of the handle ring (9), the utility model discloses a clamp structure, including left side pincers handle (6), base plane of right side pincers handle (7) is provided with spacing ring (12), the right-hand member of spacing rod (11) passes spacing ring (12) and is provided with stopper (13), go up pincers division subassembly (3) including connecting seat (14), draw arm (15), draw hook (16), buffer spring (17), press according to piece (18) and spacing logical groove (19), the inside of connecting seat (14) is provided with draws arm (15), the upside of drawing arm (15) lateral wall is provided with draws hook (16), the inside downside of drawing arm (15) is provided with buffer spring (17), the one end of buffer spring (17) is provided with presses piece (18), connecting seat (14) and the corresponding spacing logical groove (19) of having seted up of pressing piece (18).

2. A neurosurgical posterior cranial retractor according to claim 1, wherein: the left half pliers (4) and the right half pliers (5) are connected in a rotating mode.

3. A neurosurgical posterior cranial retractor according to claim 1, wherein: the connecting seat (14) is respectively arranged at the end parts of the left half pliers (4) and the right half pliers (5).

4. A neurosurgical posterior cranial retractor according to claim 1, wherein: the pressing block (18) is connected with the retraction arm (15) in a sliding way.