CN203749507U

CN203749507U - Nasal cavity and lacrimal sac incision knife with nasal endoscope

Info

Publication number: CN203749507U
Application number: CN201420083460.0U
Authority: CN
Inventors: 薛涛; 乔莉; 邱建华; 陈福权; 石照辉; 单伯仪; 陈晓栋
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2014-02-21
Filing date: 2014-02-21
Publication date: 2014-08-06
Anticipated expiration: 2024-02-21

Abstract

The utility model relates to a nasal cavity and lacrimal sac incision knife with a nasal endoscope. The nasal cavity and lacrimal sac incision knife comprises a knife head (1), a knife handle (3) and an aspirator connector (5). The knife head (1) is in a sickle shape, a blade is arranged on the outer edge of the knife head (1), the radian of the knife head (1) is a diameter of 18 mm, and the length of the knife head (1) is 8 mm. An obtuse angle is formed at the joint of the knife head (1) and the knife handle (3) and is equal to 155 degrees. A hollow pipe cavity (4) is formed in the knife handle (3). The aspirator connector (5) is arranged at the rear end of the knife handle (3). An antiskid layer (6) is arranged on the knife handle (3). A negative pressure suction opening (2) is arranged on the knife head (1) and connected with the aspirator connector (5) through the pipe cavity (4) embedded in the knife handle. The knife handle (3) and the knife head (1) are formed through one-piece casting, and the total length is 170 mm. The nasal cavity and lacrimal sac incision knife is reasonable in structure and easy and convenient to operate, operative complications are reduced, time and labor are saved, the operation difficulty of medical workers is lowered, and the surgical risk is reduced.

Description

A kind of intranasal mirror nasolacrimal incision knife

Technical field

This utility model relates to technical field of medical instruments, and it is a kind of novel with the auxiliary intranasal mirror nasolacrimal incision knife of vacuum suction relating in particular to, and is mainly used in the Dacryocystorhinostomy under endoscopy.

Background technology

Because the development of intranasal mirror is rapid, transnasal endoscopic treatment chronic dacryocystitis has become one of important content of noses eyes relationship surgery.Compared with the outer dacryocystorhinostomy of traditional nose, this art formula has the following advantages: 1. transnasal endoscopic dacryocystorhinostomy has effectively been avoided facial scar, without cutting off inner canthal ligament, little and retained the tear pumping function of lachrymal sac to the damage of lachrymal sac, tear is discharged to be similar to physiological mode.2. the factor such as Sinonasal diseases or anatomic abnormalities of can simultaneously processing, as sinusitis, nasal polyp, bubble middle nasal concha and deviation of nasal septum etc., is removed the cause of disease, increases success rate of operation, has eliminated the hidden danger of postoperative recurrence.3. under conchoscope, can perform the operation like clockwork, and directly observe position, size and the open condition in bone hole, not affect beauty treatment, go out insufficiency of blood, cure rate is high, and relapse rate is low, without complication.4. perform the operation convenient, enter short out.Lachrymal sac medial wall and middle nasal meatus's front end only have a thin bone photo every, therefore shortened operating time.5. damage is few, and patient suffering is little, and after-operation response is light, and nasal cavity is without filling.6. can simultaneous.7. the indication of performing the operation is wider, still effective for the case of routine operation failure.

But due to the narrow space of nasal cavity, compare with the outer route operation of traditional nose, operation has certain difficulty, while particularly cutting lachrymal sac nasal cavity side mucosa, has certain difficulty, when particularly the doctor of surgical experience deficiency operates, often can cause certain complication.

Utility model content

The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and traditional lachrymal sac incision knife and vacuum suction is carried out to combination, the Novel dacryocystitome of handled easily.

A technical scheme of the present utility model is:

A kind of intranasal mirror nasolacrimal incision knife, it is characterized in that: comprise cutter head (1), handle of a knife (3) and attractive device connector (5), described cutter head (1) outer rim is provided with blade, and described cutter head (1) is sickle shaped, and radian is length is 8mm, described cutter head (1) and formation obtuse angle, handle of a knife (3) junction, obtuse angle is 155 °, the tube chamber (4) that described handle of a knife (3) contains hollow, handle of a knife rear end is provided with attractive device connector (5), be used for connecting negative pressure suction device, on described handle of a knife (3), be provided with skid resistant course (6), on described cutter head (1), be provided with vacuum aspiration port (2), vacuum aspiration port (2) is connected with attractive device connector (5) by the tube chamber (4) being embedded in handle of a knife, described handle of a knife (3) and cutter head (1) one piece casting form, total length 170mm.

The utlity model has following advantage: 1, vacuum suction is combined with traditional dacryocystotome, rational in infrastructure, easy and simple to handle, when operation, vacuum suction holds mucosa inside lachrymal sac, convenient incision, reduce postoperative complication, time saving and energy saving, reduce the operating difficulty of health care worker, reduced operation risk 2, with other with compared with the incision of vacuum suction, whole device is tiny, and the radian of cutter head is applicable to, and is particularly suitable for operating under the narrow and small environment of nasal cavity; 3, handle of a knife arranges when skid resistant course effectively prevents operation technique and skids, and facilitates operation technique.

Brief description of the drawings

Fig. 1 is the structural representation of a kind of intranasal mirror of this utility model nasolacrimal incision knife.

Wherein: 1 is cutter head; 2 is vacuum aspiration port; 3 is handle of a knife; 4 is tube chamber; 5 is attractive device connector; 6 is skid resistant course.

Detailed description of the invention

Further illustrate detailed content of the present utility model and detailed description of the invention thereof below in conjunction with accompanying drawing.

Shown in Figure 1, a kind of intranasal mirror nasolacrimal incision knife of the present utility model, comprise cutter head (1), handle of a knife (3) and attractive device connector (5), described cutter head (1) outer rim is provided with blade, described cutter head (1) and formation obtuse angle, handle of a knife (3) junction, the tube chamber (4) that described handle of a knife (3) contains hollow, handle of a knife rear end is provided with attractive device connector (5), be used for connecting negative pressure suction device, on described cutter head (1), be provided with vacuum aspiration port (2), vacuum aspiration port (2) is connected with attractive device connector (5) by the tube chamber (4) being embedded in handle of a knife.

Cutter head (1) is sickle shaped, and radian is length is 8mm, cutter head (1) is 155 ° with formation obtuse angle, handle of a knife (3) junction, on handle of a knife (3), be provided with skid resistant course (6), handle of a knife (3) and cutter head (1) one piece casting form, lachrymal sac incision knife total length 170mm.

The whole device of intranasal mirror nasolacrimal incision knife described above is tiny, cutter head radian and be particularly suitable for operating under the narrow and small environment of nasal cavity with the obtuse angle that handle of a knife forms, when operation, hold mucosa inside lachrymal sac by vacuum suction, convenient incision, the operating difficulty that has reduced health care worker, has reduced operation risk.

Claims

1. an intranasal mirror nasolacrimal incision knife, it is characterized in that: comprise cutter head (1), handle of a knife (3) and attractive device connector (5), described cutter head (1) outer rim is provided with blade, and described cutter head (1) is sickle shaped, and radian is length is 8mm, described cutter head (1) and formation obtuse angle, handle of a knife (3) junction, obtuse angle is 155 °, the tube chamber (4) that described handle of a knife (3) contains hollow, handle of a knife rear end is provided with attractive device connector (5), be used for connecting negative pressure suction device, on described handle of a knife (3), be provided with skid resistant course (6), on described cutter head (1), be provided with vacuum aspiration port (2), vacuum aspiration port (2) is connected with attractive device connector (5) by the tube chamber (4) being embedded in handle of a knife, described handle of a knife (3) and cutter head (1) one piece casting form, total length 170mm.