CN205866807U

CN205866807U - Larynx tissue forceps

Info

Publication number: CN205866807U
Application number: CN201620628057.0U
Authority: CN
Inventors: 李丽娟; 王丽
Original assignee: Peking University Third Hospital
Current assignee: Peking University Third Hospital
Priority date: 2016-06-22
Filing date: 2016-06-22
Publication date: 2017-01-11
Anticipated expiration: 2026-06-22

Abstract

The utility model discloses a larynx tissue forceps, this larynx tissue forceps include flexible handle (1), claw beam (2), act as go -between (23), fixed binding clip (31) and movable tong head (32), claw beam (2) are cavity tubulose pole to including the first section (21) and second section (22) that links to each other, first section (21) is made by the rigid material, second section (22) are made by the mouldable material. This larynx tissue forceps can dissect the arbitrary curvature of the moulding one -tenth of curvature according to different patients' throat, and lesion tissues is got to accurate pincers to diagnose and treat.

Description

Larynx tissue forceps

Technical field

This utility model relates to medical instruments field, in particular it relates to a kind of larynx tissue forceps.

Background technology

Laryngopharyngeal diseases accounts for more than the 1/3 of otorhinolaryngology disease, and has quite a few laryngopharyngeal diseases to need to carry out operation to control Treat.Supporting laryngoscope can directly expose glottis because of it, understands the exception of laryngeal structure in detail, specifies position and the scope of pathological changes, once The first-selection once performed the operation as vocal cords disease and be widely used in clinic.But, can encounter in actual clinical position The difficult airway patient such as some " micromandibles ", " larynx position is high ", " neck neck is thick ", it cannot be exposed by common support laryngoscope smoothly And affect operation and complete.Running into these situations, the many employings of doctor " larynx splits " or " fiberoptic laryngoscope menisectomy " are mended in the past Rescue, but do so can make patient all can be subject to bigger wound from physiology or psychology angle.In order to solve this A difficult problem, arc-shaped laryngeal mirror technology is arisen at the historic moment.The design of arc-shaped laryngeal mirror more conforms to the physiologic radian of human body mouth cavum laryngopharyngeum, auxiliary With the help of helping image documentation equipment, it is possible to preferably expose glottis and the Accessory injury of tongue, front tooth and mucous membrane of oropharynx can be alleviated.Compared to Supporting laryngoscope, the operation of arc visible laryngoscope is higher to the dependency degree of apparatus and equipment, and superior apparatus and equipment are successful surgeries Guarantee.Owing to the operation of arc visible laryngoscope has distinct moulding and curvature, therefore with traditional straight tube supporting laryngoscope Need the larynx microinstrument that a whole set of is supporting with it, the most domestic there is no the special-purpose device made to measure for arc visible laryngoscope Tool.

Utility model content

The purpose of this utility model is to provide a kind of larynx tissue forceps, and this larynx tissue forceps can be dissected according to the throat of different patients Any curvature of the moulding one-tenth of curvature, accurately pincers take pathological tissues, to diagnose and to treat.

To achieve these goals, this utility model provides a kind of larynx tissue forceps, and this larynx tissue forceps includes flexible handle, pincers Bar, bracing wire, fixed pliers head and movable binding clip, described claw beam is hollow tubular bar, and includes first paragraph and the second segment being connected, Described first paragraph is made up of rigid material, and described second segment is made up of Plastic implant, and described flexible handle plugs movably At the free end of described first paragraph, described fixed pliers head is fixed on the free end of described second segment, and described bracing wire is positioned at described pincers In bar, one end of described bracing wire is connected to described flexible handle, and the other end is connected to described movable binding clip.

Alternatively, described larynx tissue forceps also includes that binding clip fixes bar, and described binding clip is fixed one end of bar and is plugged in described The free end of two-stage nitration, described fixed pliers head is fixed on described binding clip and fixes the other end of bar, and described binding clip is fixed in bar and is formed The through hole being drawstring through described in Gong.

Alternatively, described flexible handle includes handle ring and installs axle, and one end of described installation axle is connected with handle ring, separately One end is plugged in the free end of described first paragraph movably.

Alternatively, the free end of described second segment has photographic head, and described installation axle has video transmission interface, described Photographic head is connected with described video transmission interface by being positioned at the optical fiber within claw beam.

Alternatively, the free end of described second segment has light source, and described installation axle is provided with accordingly for controlling State the switch of light source.

Alternatively, described larynx tissue forceps also includes two fixed handles, and these two fixed handles are fixed on described first paragraph Outside and near described flexible handle arrange, two fixed handles are arranged symmetrically with about described first paragraph.

Alternatively, have between described fixed pliers head and movable binding clip place plane and said two fixed handle place plane There is the angle of 0-60 °.

Alternatively, the diameter of described first paragraph is more than the diameter of described second segment.

Alternatively, from the fixing end of the free end of described first paragraph to described first paragraph, the diameter of described first paragraph is gradually Reduce.

Alternatively, the length of described second segment accounts for the 66%-82% of described claw beam total length.

Alternatively, described bracing wire is flexible wire.

By technique scheme, the claw beam part of the larynx tissue forceps that this utility model provides uses Plastic implant system Become, curvature any curvature of moulding one-tenth can be dissected according to the throat of different patients, coordinate arc visible laryngoscope accurately to clamp and take Pathological tissues, does not results in the Accessory injury of mucous membrane of oropharynx in operation process, alleviate foreign body sensation postoperative in operation in patients, promotes operation Effect.

Other feature and advantage of the present utility model will be described in detail in detailed description of the invention part subsequently.

Accompanying drawing explanation

Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the profile of a kind of detailed description of the invention of larynx tissue forceps of the present utility model；

Fig. 2 is the enlarged drawing of part A in Fig. 1；

Fig. 3 is the enlarged drawing of part B in Fig. 1；

Fig. 4 is the structure chart (before moulding) of a kind of detailed description of the invention of larynx tissue forceps of the present utility model；

Fig. 5 is the structure chart (after moulding) of a kind of detailed description of the invention of larynx tissue forceps of the present utility model.

Description of reference numerals

1 flexible handle 11 handle ring 12 installs axle

2 claw beam 21 first paragraph 22 second segments

The movable binding clip of 23 bracing wire 31 fixed pliers heads 32

4 binding clips fix bar 5 fixed handle 6 photographic head

7 video transmission interface 8 light sources 9 switch

10 optical fiber

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.

This utility model provides a kind of larynx tissue forceps, and as shown in Figure 1, Figure 2 and Figure 3, this larynx tissue forceps includes flexible handle 1, claw beam 2, bracing wire 23, fixed pliers head 31 and movable binding clip 32, described claw beam 2 is hollow tubular bar, and include being connected the One section 21 and second segment 22.Described first paragraph 21 is made up of rigid material, and described second segment 22 is made up of Plastic implant.Have Shapeable second segment 21 can dissect curvature any curvature of moulding one-tenth according to the throat of different patients, coordinates the visual larynx of arc Mirror can accurately clamp and take pathological tissues, moulding after larynx tissue forceps as shown in Figure 5.Described rigid material can include rustless steel, Thermosetting polrvinyl chloride (PVC) etc..Described Plastic implant can include 304 rustless steels, thermoplastic polyvinyl chloride (PVC) etc.. Moulding method can need be determined according to actual operation, such as, can be the most moulding or mechanical moulding etc..

Described flexible handle 1 is plugged in the free end of described first paragraph 21 movably, and described fixed pliers head 31 is fixed on The free end of described second segment 22, described bracing wire 23 is positioned at described claw beam 2, and one end of described bracing wire 23 is connected to described activity Handle 1, the other end is connected to described movable binding clip 32.Flexible handle 1 front and back can pull bracing wire 23 thus control fixed pliers head 31 and the folding of movable binding clip 32.Flexible handle 1 pulls bracing wire 23 to make movable binding clip 32 lean on when moving to the direction away from claw beam 2 Nearly fixed pliers head 31, so that fixed pliers head 31 and movable binding clip 32 reach closure state；Flexible handle 1 draws when claw beam 2 Line 23 loosen make movable binding clip 32 away from fixed pliers head 31 so that fixed pliers head 31 and movable binding clip 32 are in opened condition.Gu Determining binding clip 31 and after movable binding clip 32 arrives diseased region, can clamp easily and take pathological tissues, pathological tissues will not arbitrarily come off. The shape of fixed pliers head 31 and movable binding clip can be designed according to the practical situation of patient, such as, can be triangle, engrave The shapes such as empty triangle, rim of a cup shape, circle, hollow out are circular.Fixed pliers head 31 and movable binding clip 32 in opened condition time therebetween Ultimate range can be designed according to the practical situation of patient and operation needs, such as, can be 4-7.5mm.Need explanation It is that " fixing end " herein refers to one end that first paragraph 21 is connected with second segment 22, and " free end " refers to and fixing end Contrary one end.

The stability of larynx tissue forceps during in order to ensure clamp pathological tissues, described larynx tissue forceps also includes that binding clip fixes bar 4, As it is shown on figure 3, described binding clip fixes one end of bar 4 is plugged in the free end of described second segment 22, described fixed pliers head 31 is fixed Fix the other end of bar 4 at described binding clip, described binding clip is fixed and is formed for the through hole that described bracing wire 23 passes in bar 4.Described It can be the metal with certain degree of hardness that binding clip fixes the material of bar 4, and described binding clip fixes the length of bar 4 can be according to actual need It is determined, such as, can be 2-5cm.

As in figure 2 it is shown, described flexible handle 1 includes handle ring 11 and installs axle 12, one end of described installation axle 12 and hands Handle ring 11 is connected, and the other end is plugged in the free end of described first paragraph 21 movably.Described installation axle is internal is hollow structure To accommodate bracing wire 23.

In order to more intuitively observe the situation in affected part in operation process, do not make because of the blocking of first paragraph 21 of claw beam 2 Becoming the visual field to be obstructed, the free end of second segment 22 has photographic head 6, correspondingly, installs and has video transmission interface 7 on axle 12, take the photograph As 6 are connected with described video transmission interface 7 by being positioned at the optical fiber 10 within claw beam 2, and video transmission interface 7 can be with video Watch-dog connects.Surgery situation can shoot in real time by photographic head 6, and then is conducted to transmission of video by optical fiber 10 Interface 7, is eventually displayed on video monitor, and operation degree of accuracy is higher.

In order to further facilitate the carrying out of operation, the free end of second segment 22 can also have light source 8, described installation axle 12 On be provided with the switch 9 for controlling described light source 8 accordingly.The control of light source 8 can be used wired or wireless etc. by switch 9 Mode.Cause shadowless lamp still can be smoothed out hands by this light source when cannot irradiate or irradiate difficulty in patient throat situation complexity Art.

As it is shown on figure 3, for the ease of grasping, improve the stability of operation, described larynx tissue forceps also includes two fixing handss Handle 5, these two fixed handles 5 are fixed on the outside of described first paragraph 21 and arrange near described flexible handle 1, two fixing handss Handle 5 is arranged symmetrically with about described first paragraph 21.Fixed handle 5 position relative with flexible handle 1 arranges and meets hand grasping rule Rule, is easier to force, is conducive to promoting surgical effect in operating process.The shape of fixed handle 5 and flexible handle 1 can be circle Shape, ellipse etc., its internal diameter size can be the stock size of this area.

Take pathological tissues to clamp more accurately, promote surgical effect, described fixed pliers head 31 and movable binding clip 32 place Can have angle between plane and two fixed handle 5 place planes, the size of angle can be according to the practical situation of patient It is determined with operation needs, such as, can be 0-60 °.

In order to improve the stability of operation further, first paragraph 21 be relatively large in diameter so that executing the firm grasping of patient, the The diameter of one section 21 is more than the diameter of second segment 22, and the diameter of second segment 22 is less makes it can deeply reach pathological tissues, this Outward, when second segment 22 uses 304 stainless steel materials to make, its less diameter makes it easier for moulding.Further, from institute Stating the free end fixing end to described first paragraph 21 of first paragraph 21, the diameter of described first paragraph 21 can be gradually reduced.First The length of section 21 and second segment 22 can be adjusted according to the practical situation of different patients, and such as, the length of first paragraph 21 can Thinking 7-11cm, the length of second segment 22 can be 21-33cm, and the length of second segment 22 can account for described claw beam 2 total length 66%-82%.

In order to adapt to second segment 21 moulding after curvature, the material of described bracing wire 23 can be flexible wire.

The patient of glottis difficult exposure under running into supporting laryngoscope, after using arc visible laryngoscope to expose glottis, can use Larynx tissue forceps of the present utility model carries out the process of Vocal cord lesion, thus ensures that under supporting laryngoscope, the patient of glottis difficult exposure obtains To effective operative treatment, reduce patient and suspend the incidence rate of operation owing to glottis appears dissatisfied.In operation process permissible More intuitively observed the situation in affected part by photographic head, do not cause the visual field to be obstructed, in patient throat because of blocking of operating theater instruments Still hands can be smoothed out by the light source that this operating theater instruments carries when situation complexity causes shadowless lamp cannot irradiate or irradiate difficulty Art.

Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.

It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to respectively Plant possible compound mode to illustrate the most separately.

Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims

1. a larynx tissue forceps, it is characterised in that this larynx tissue forceps includes flexible handle (1), claw beam (2), bracing wire (23), fixes Binding clip (31) and movable binding clip (32), described claw beam (2) is hollow tubular bar, and includes the first paragraph (21) and second being connected Section (22), described first paragraph (21) is made up of rigid material, and described second segment (22) is made up of Plastic implant, described movable hand Handle (1) is plugged in the free end of described first paragraph (21) movably, and described fixed pliers head (31) is fixed on described second segment (22) free end, described bracing wire (23) is positioned at described claw beam (2), and one end of described bracing wire (23) is connected to described movable hand Handle (1), the other end is connected to described movable binding clip (32).

Larynx tissue forceps the most according to claim 1, it is characterised in that described larynx tissue forceps also includes that binding clip fixes bar (4), Described binding clip is fixed one end of bar (4) and is plugged in the free end of described second segment (22), and described fixed pliers head (31) is fixed on institute Stating binding clip and fix the other end of bar (4), described binding clip is fixed and is formed for the through hole that described bracing wire (23) passes in bar (4).

Larynx tissue forceps the most according to claim 1, it is characterised in that described flexible handle (1) include handle ring (11) and Installing axle (12), one end of described installation axle (12) is connected with handle ring (11), and the other end is plugged in described first movably The free end of section (21).

Larynx tissue forceps the most according to claim 3, it is characterised in that the free end of described second segment (22) has photographic head (6), described installation axle (12) has video transmission interface (7), the light that described photographic head (6) is internal by being positioned at claw beam (2) Fine (10) are connected with described video transmission interface (7).

Larynx tissue forceps the most according to claim 3, it is characterised in that the free end of described second segment (22) has light source (8), described installation axle (12) is provided with the switch (9) for controlling described light source (8) accordingly.

Larynx tissue forceps the most according to claim 1, it is characterised in that described larynx tissue forceps also includes two fixed handles (5), these two fixed handles (5) are fixed on the outside of described first paragraph (21) and arrange near described flexible handle (1), two Fixed handle (5) is arranged symmetrically with about described first paragraph (21).

Larynx tissue forceps the most according to claim 6, it is characterised in that described fixed pliers head (31) and movable binding clip (32) institute There is between plane and said two fixed handle (5) place plane the angle of 0-60 °.

Larynx tissue forceps the most according to claim 1, it is characterised in that the diameter of described first paragraph (21) is more than described second The diameter of section (22).

Larynx tissue forceps the most according to claim 8, it is characterised in that from the free end of described first paragraph (21) to described The fixing end of one section (21), the diameter of described first paragraph (21) is gradually reduced.

Larynx tissue forceps the most according to claim 1, it is characterised in that the length of described second segment (22) accounts for described claw beam (2) 66%-82% of total length.

11. larynx tissue forcepies according to claim 1, it is characterised in that described bracing wire (23) is flexible wire.