CN206777359U - Scope skull base surgery drag hook - Google Patents

Abstract

The utility model discloses scope skull base surgery drag hook, the former includes coupler body, one end of coupler body is fixed with handle, the other end be bent into coupler body at an acute angle or a right angle angle hook portion with realize drawing art district's groups knit, coupler body is bent into the angle of setting at handle, and handle is in the same side or both sides of coupler body with hook portion；Coupler body is bent into the angle of setting at handle, while abundant drawing exposure visual area, limited operation technique path space can be given as far as possible the scope and operating theater instruments of patient, solves the problems, such as that assistant hinders mutually with operating doctor institute holder tool；The restriction of coupler body length, in not only easily reaching, rear basis cranii and Skull-base depth, and while abundant drawing exposure visual area, the gripping hand of assistant can keep certain distance with patient's mouth and nose, avoid influenceing the operation of operating doctor.

Description

Scope skull base surgery drag hook

Technical field

It the utility model is related to scope skull base surgery, more particularly to scope skull base surgery drag hook.

Background technology

In recent years, except traditional micro- videoendoscopic surgery, scope skull base surgery gradually get the nod, it is considered to be surgery of skull base Development trend.The main microinvasion hand for having benefited from the fast development of endoscopic technic equipment, being rooted in the hearts of the people of appearance of this situation Art theory and basis cranii anatomy and iconography develop rapidly.Though scope is small, basis cranii different anatomic region is provided for doctor The clearly visual field.Nowadays, increasing via the accessibility basis cranii scope of the approach such as nasal cavity, oral cavity under Inner mirrors, half basis cranii swells Knurl can all use endoscopic excision.Such as Inner mirrors intranasal or oral Skull base lesion resection, it common are Inner mirror intranasal sellar tumours and cut Remove, nasal sinus malignant tumour involves the excision of basis cranii, Inner mirror intranasal infratemporal fossa pterygopalatine fossa tumor resection, the oral Jugular Foramen of Inner mirrors Lesion excision, the oral slope lesion resection of Inner mirrors etc., scope can accurately describe the profile of tumour, make to cut off safely lesion more Add easily, it is also more minimally invasive, cranium is avoided out, avoids that patient is caused to disfeature.

Inner mirror skull base surgery apparatuses are the appearance based on Inner mirror skull base surgeries, are designed and gradual perfection.The previous mark of mesh Accurate Inner mirror skull base surgery instrument bags, include about 30 kinds of operating theater instruments.It is well known that drag hook is all a base in various operations This apparatus, equally in the Inner mirror skull base surgeries of part, especially in the oral basis cranii of Inner mirrors/cranio-cervical junction lesion resection, by Assistant holds drag hook and fully exposes visual area, to ensureing that operation is smoothly of crucial importance.

The country there is no the special drag hook of suitable scope skull base surgery at present, can carry out the part high level of Inner mirror skull base surgeries Grade A hospital is substantially replaced reluctantly with tonsil retractor etc., and shortcoming is obvious：

1) it is vertical pulling hook, non-angular, is not easy fully to pull tissue to both sides, easily " pressure " rather than " drawing " occurs, and For basis cranii close to endocranium, arachnoid, brain tissue and important neural blood vessel, the compressing to basis cranii vital tissue may cause water The adverse consequences such as swollen, damage, bleeding, and vertical pulling is hooked in operation easily to deviate from, once abjection, it is necessary to carry out again again Pull and support, extend operating time.Meanwhile easily cause assistant mutually to be hindered with patient institute holder tool, scope in operation, appearance " apparatus is fought ", influence operation and be smoothed out；

2) length is partially short, is not suitable for basis cranii depth, especially for anatomic region is relatively deep, the Inner videoendoscopic surgeries of tissue thicker part, Slip arduously and easily, such as the oral basis cranii of Inner mirrors/cranio-cervical junction lesion resection.

3) drag hook end is narrower, and gripping of exerting oneself for a long time is easily caused assistant's finger overload, makes assistant's hand excessively tired Labor, increase labor intensity.

4) existing vertical pulling hook, easily delays procedure.Because generally skull base surgery patient is typically in general anesthesia shape To be performed the operation under state, the use of vertical pulling hook extends the corrective surgery time, does not only result in patient and couches for a long time injured patient's body, And the anesthesia dose determined according to operating time also just accordingly increases, and is unfavorable for the postoperative rehabilitation of patient.

Therefore, it is necessary to be designed to skull base surgery with drag hook.

Utility model content

The purpose of the utility model first is to provide scope skull base surgery drag hook, and the drag hook can realize what art district's groups were knitted Effectively drawing, it is possible to achieve grip coupler body from lateral relative to patient's mouth and nose, larger visual area is provided for doctor, and effectively avoid Apparatus occurs intersecting " fighting " phenomenon.

In order to reach above-mentioned purpose, technical scheme provided by the utility model：

Scope skull base surgery drag hook, including coupler body, one end of coupler body are fixed with handle, the other end be bent into coupler body into For the hook portion of acute angle or right angle to realize that drawing art district's groups are knitted, coupler body is bent into the angle of setting at handle, handle with Hook portion is in the same side or both sides of coupler body, and such coupler body part and handle are on the same line.

Above drag hook is in operation in use, being easy to, from the entrance of the oral cavity of patient, set and can realize by the hook portion of bending Tissue is pulled, and tissue is not easy, and is easy to the abundant exposure to art area pathological tissues, while coupler body is bent, it is possible to achieve phase For patient's mouth and nose from it is lateral grip coupler body and realize to both sides pull tissue, lateral gripping handle can keep the gripping of assistant There is certain distance between hand and patient's mouth and nose, must pull tissue from rectilinear direction so as to avoid vertical pulling hook, easily occur narrow The apparatus of operating doctor, scope and assistant, which hold drag hook and grip palmistry, in long operation path mutually hinders phenomenon, can fully expose Visual area, accelerate procedure, be advantageous to the operation safety and post-operative recovery of patient.

The hook portion can not only realize drawing tissue into flat, such drag hook, can also effectively avoid to tissue Compressing.

The coupler body bends in 90 °, gripping of such angle person easy to operation to coupler body.

There is crotch relative to the end set of coupler body in hook portion, crotch is bent into 120 ° -150 ° of obtuse angle relative to hook portion, this The hook portion of sample, which is set, to be easy to hold the hook of tissue, and when outwards pulling coupler body, tissue is not easy to slip.

For convenience to the drawing of tissue, the hook portion and coupler body angulation are between 70 °~90 °, such angle Both facilitated drag hook front end hook portion to enter inside basis cranii, the drawing to tissue can be facilitated again, be easy to art area pathological tissues Fully exposure.

The handle into flat oval shape, or, handle outer be cucurbit body be easy to medical worker to hold.

The handle surfaces are recessed the finger that groove is used to place medical worker, the length direction of groove and same handle Vertical coupler body is parallel, in order to grip, avoids existing drag hook end narrower, and grip easily causes assistant's finger to be born for a long time Lotus is overweight so that assistant's hand fatigue.

The handle surfaces set frosted grain or are coated with elastomeric material with increasing friction force, realize that assistant easily works, The tingle sense of hand caused by avoiding long-time drag hook, mitigate the labor intensity of doctor.

Coupler body length of performing the operation be 30cm~38cm, in being easily reached, rear basis cranii and Skull-base depth, most preferably 35cm, so can easily reach it is any in, the depth in rear basis cranii and Skull-base region.

Hook portion when in use, Medical personnel hand handle, is extend into patient's basis cranii by above-mentioned drag hook from the oral cavity of patient, is led to Cross hook portion drawing art district's groups and knit the exposure to avoid tissue from slipping, realized to art area pathological tissues.

The beneficial effects of the utility model：

1) coupler body is bent into the angle of setting at handle, is easy to assistant to the drawing of basis cranii intracranial tissue and is maintained at Some position, limited operation technique path space can be given in patient as far as possible while abundant drawing exposure visual area Mirror and operating theater instruments, solve the problems, such as that operating doctor hinders mutually with assistant institute holder tool.

2) restriction of coupler body length, in not only easily reaching, rear basis cranii and Skull-base depth, and in abundant drawing exposure While visual area, gripping hand and the patient's mouth and nose of assistant maintain certain distance, avoid influenceing the operation of operating doctor.

3) handle is oval shape, and sets fluted, is easy to medical worker and holds, avoids hand caused by long-time drag hook Tingle sense, mitigate the labor intensity of doctor.

Brief description of the drawings

Fig. 1 is the utility model structural upright schematic diagram；

Fig. 2 is the utility model structural side view；

Fig. 3 is the utility model handle enlarged drawing；

Wherein：1. groove, 2. handles, 3. coupler bodies, 4. drag hooks, 5. crotches.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clear, complete description.

Embodiment 1

As shown in figure 1, scope skull base surgery drag hook, including coupler body 3, one end of coupler body 3 are fixed with handle 2, the other end Be bent into coupler body 3 at an acute angle or a right angle angle hook portion 4 with realize drawing art district's groups knit, coupler body 3 is bent at handle 2 The angle of setting, handle 2 and hook portion 4 are in the same side or both sides of coupler body 3, hook portion 4 length 0.5-1cm, most preferably 0.5cm, Width 1-2cm, most preferably 1.5cm, such setting both can effectively avoid the damage to basis cranii soft tissue, can realize to group again The abundant drawing knitted, have a crotch 5 relative to the end set of coupler body 3 in hook portion 4, crotch 5 relative to hook portion 4 bend 120 °- 150 °, it is easy to hold the hook of tissue as shown in Fig. 2 such hook portion is set, when pulling coupler body laterally, tissue is not easy to slide It is de-.

Above structure in use, drag hook enters Skull base lesion region by the oral cavity of patient, passes through bending in operation Hook portion 4, which is set, can realize drawing tissue, and tissue is not easy, while coupler body 3 is bent, it is possible to achieve relative to patient's mouth and nose From lateral gripping coupler body 3 and realize that be directed to tissue pulls tissue from both sides, lateral gripping handle 2 can keep the gripping hand of assistant With the certain distance between patient's mouth and nose, tissue must be pulled from rectilinear direction by avoiding vertical pulling hook, be caused logical in same operation Occur operating doctor in road and hold apparatus, scope and assistant and hold drag hook and grip palmistry mutually to hinder, occur " apparatus is fought " Phenomenon, realization fully pull and obtain the good visual field, accelerate procedure.

The hook portion 4 is easy to pull tissue into flat.

The coupler body 3 is flat pattern or cylindrical shape, is easy to pull, and without prejudice to surgical field of view.

The coupler body 3 bends in 90 °, gripping of such angle person easy to operation to coupler body 3.

For convenience to the drawing of tissue, the hook portion 4 and the angulation of coupler body 3 are between 70 °~90 °, preferably 70 °.

As shown in Fig. 2 the handle 2 is in the oval shape of flat.

The concave surface of handle 2 forms groove and is put in the finger for placing medical worker, and the length direction of groove 1 is with stretching into It is parallel to the intraoral coupler body 3 of patient, gripped in order to which finger part is convenient in groove.Existing drag hook handle is narrower, Gripping for a long time easily causes assistant's finger overload so that assistant's hand fatigue.

The surface of handle 2 sets frosted grain or is coated with elastomeric material with increasing friction force, realizes that assistant easily works, The tingle sense of hand caused by avoiding long-time drag hook, mitigate the labor intensity of doctor.

The length of coupler body 3 is 30cm~38cm, in being easily reached, rear basis cranii and Skull-base depth, most preferably 35cm, Oral external length control in 17cm or so, enter oral cavity to the length of skull base surgery passage in 18cm or so, Fig. 1 The segment length that coupler body is not connected with handle is 18cm, in being so easily reached, rear basis cranii and Skull-base depth.

Medical personnel hand handle, hook portion is extend into patient's basis cranii from the oral cavity of patient, patient is found by scope Pathological tissues, assistant pull art district's groups by hook portion and knitted, to reach fully exposure and cut off the purpose of lesion.

Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (6)

1. scope skull base surgery drag hook, it is characterised in that including coupler body, one end of coupler body is fixed with handle, other end bending Into with coupler body at an acute angle or a right angle angle hook portion with realize drawing art district's groups knit, coupler body is bent into the angle of setting at handle Degree, handle and hook portion are in the same side or both sides of coupler body, the handle into flat oval shape, in the handle surfaces It is recessed in order to grip, the length direction of the groove coupler body vertical with same handle is parallel.

2. scope skull base surgery drag hook as claimed in claim 1, it is characterised in that the hook portion is into flat.

3. scope skull base surgery drag hook as claimed in claim 1, it is characterised in that the coupler body bending is in 90 °.

4. scope skull base surgery drag hook as claimed in claim 1, it is characterised in that the hook portion exists with coupler body angulation Between 70 °~90 °.

5. scope skull base surgery drag hook as claimed in claim 1, it is characterised in that set in hook portion relative to the end of coupler body Crotch is equipped with, crotch is bent into 120 ° -150 ° of obtuse angle relative to hook portion.

6. scope skull base surgery drag hook as claimed in claim 1, it is characterised in that the operation coupler body length be 30cm~ 38cm。