CN201356606Y

CN201356606Y - Dismountable pincers for sucking polypus

Info

Publication number: CN201356606Y
Application number: CNU2009201121883U
Authority: CN
Inventors: 徐天松
Original assignee: HANGZHOU TONGLU ACME ENDOSCOPE CO Ltd
Current assignee: HANGZHOU TONGLU ACME ENDOSCOPE CO Ltd
Priority date: 2009-01-08
Filing date: 2009-01-08
Publication date: 2009-12-09
Anticipated expiration: 2019-01-08

Abstract

The utility model relates to dismountable pincers for sucking polypus, which are mainly suitable for polypofsinus removal surgery of human body; a handle part is respectively connected with a suction knife head part and a sheath part; the suction knife head part further comprises an inner pipe and a suction joint, and the inner pipe is respectively welded with an inner knife head and the suction joint; the sheath part further comprises an outer pipe and an outer pipe connecting sleeve with a through hole, the outer pipe is respectively welded with an outer knife head and the outer pipe connecting sleeve; the upper end of a front handle of the handle part is provided with a pin groove, and a spring groove is arranged on a rear handle; a main body with a through hole and a sliding block are also arranged, the main body is welded with the rear handle, the sliding block is arranged in an inner hole of the main body, a sliding block pin is welded on the sliding block, and the sliding block pin is matched with the pin groove of the front handle, a spring is arranged in the spring groove of the rear handle, and steel balls are arranged at the upper part of the spring. The dismountable pincers have the advantages of rational design, linear cutting, controllability and little wound in the operation.

Description

A kind of Demountable clamp for sucking polypi

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly a kind of Demountable clamp for sucking polypi, and it mainly is suitable for being particularly useful for nasal endoscope Minimally Invasive Surgery and postoperative and changing dressings in the polyp of sinus resection operation of human body.

Background technology

In the prior art, the clamp for sucking polypi that is used for operation on nasal sinus mainly contains two kinds of structures, a kind of is to make improvements slightly according to concrete needs to form on the basis of common medical calm, as the patent No. be 952333821, name is called the Chinese utility model patent of " nasal sinuses attracts pincers ", and the patent No. is 2005201356560, name is called the Chinese utility model patent of " nasal polypus forceps ", all belongs to this class formation; And the wound of the nasal sinuses of this class formation when attracting forceps operation is big, is not suitable for the nasal endoscope Minimally Invasive Surgery, and can only be applicable to the open surgery of nasal sinuses.Another kind is electronic Cutting instrument for cervical intervertebral disc hyperplasia class, as the patent No. be 032308752, name is called the Chinese utility model patent of " the medical electronic Cutting instrument for cervical intervertebral disc hyperplasia mobile phone of through type ", but the electronic Cutting instrument for cervical intervertebral disc hyperplasia of the nasal sinuses of this class formation is the rotation cutting when using owing to it, so it is uncontrollable when operation, promptly the moment of each cutting has only 0.0075-0.002 second, faulty operation is irreversible, causes damage to sinus tissue easily; Simultaneously, owing to cut direction and basis cranii, socket of the eye cardboard, the optic nerve of Cutting instrument for cervical intervertebral disc hyperplasia are vertical, increased operation risk.

The utility model content

Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and a kind of reasonable in design, when operation is controlled and wound is little Demountable clamp for sucking polypi are provided.

The technical scheme in the invention for solving the above technical problem is: this Demountable clamp for sucking polypi comprises handle portion, attracts cutter head part and sheath part, front hand grip in the handle portion and back handle flexibly connect, attract cutter head partly to comprise interior cutter head, sheath comprises that partly leading section is the outer cutter head of enclosed construction, is characterized in that: described handle portion partly is connected with sheath with attracting the cutter head part respectively; Described attraction cutter head partly also comprises interior pipe and attraction joint, and they are through-hole structure, and interior pipe welds with interior cutter head and attraction joint respectively; Described sheath part also comprises the outer pipe connector sleeves of outer tube and band through hole, and outer tube welds with outer cutter head and outer pipe connector sleeves respectively; Front hand grip upper end at described handle portion has cotter slot, has spring groove on back handle; Also be provided with the main body and the slide block of band through hole, main body and back handle welding; Slide block is installed in the endoporus of main body, also is welded with the slide block pin on described slide block, the cotter slot coupling of this slide block pin and front hand grip; In the spring groove of described back handle, spring is installed, and steel ball is installed on the top of this spring.Make this utility model realize linear incision thus, wound healing is rapid, and operation safety is reliable.

This utility model has the edge of a knife on the outer cutter head of described sheath part, it matches with interior cutter head, makes cutter head very thin hidden; Pipe connector sleeves is provided with locating slot outside, so that cooperate with the steel ball of handle portion.

This utility model is provided with the main body female thread in the body front end of described handle portion, and the slide block rear end is provided with the slide block female thread so that partly be connected with the attraction cutter head with the sheath part respectively.

The attraction joint of the described attraction cutter head part of this utility model is provided with external screw thread, so that be connected with handle portion.

Steel ball described in the utility model is positioned at the locating slot of outer pipe connector sleeves, so that the location of sheath part.

Handle portion described in the utility model is connected with external screw thread on attracting joint by the slide block female thread on the slide block with attracting the cutter head part, make handle portion with attract cutter head partly detachably.

Sheath described in the utility model partly is installed in the main body endoporus of handle portion, and is connected with the main body female thread of handle portion by the sheath clamp nut, makes outer tube not slide front and back, but can 360 ° of rotations.

Attraction cutter head part described in the utility model is by interior cutter head, interior pipe and attract joint to be arranged in order; Described sheath part is arranged in order by outer cutter head, outer tube and outer pipe connector sleeves, with easy to install and use.

This utility model compared with prior art has the following advantages and effect: 1, accurate: cutter head is very thin hidden, 360 ° of free adjustment of edge of a knife direction energy, and 45 ° of location, the working place is broad flexibly; The moment hemostasis by compression, attract cutting function synchronously, amount of bleeding is few, keeps exsanguine operative field.2, Wicresoft: linear incision, the minimizing tearing is turned round and is dragged, and the para-position of wound surface edge is neat, and healing is rapidly; Can not open Dou Kou and enter sphenoid sinus, can misalign the drift of concha nasalis fracture and carry out middle nasal meatus's operation, protection nasal cavity inherent structure improves the operation quality, promotes Wicresoft's theory.3, safety: reciprocating type cutting mode, the cut direction level is in basis cranii, socket of the eye cardboard, optic nerve; Feel is accurate, and calm selection is also excised pathological changes, is more suitable for the accurate operation of complex region.4, practicality: per minute cuts about human nasal polyps tissues 20-30ml continuously, and work efficiency is more not a halfpenny the worse than electrical equipment, but and the integral high-temperature sterilization, use repeatedly, reduce cost, stop cross infection.5, use: can substitute 0-90 ° and sting pincers, suction catheter, gun-shaped forceps, reduce and change the mucosa injury that apparatus brings, more convenient operation more.In a word, this utility model reasonable in design, when operation is controlled and wound is little, has overcome shortcoming of the prior art.

Description of drawings

Fig. 1 is an overall structure sketch map of the present utility model.

Fig. 2 is the structure enlarged diagram at A place among this utility model Fig. 1.

Fig. 3 is the structure enlarged diagram at B place among this utility model Fig. 1.

Fig. 4 is the structural representation of this utility model handle portion.

Fig. 5 attracts the structural representation of cutter head part for this utility model.

Fig. 6 is the structural representation of this utility model sheath part.

The specific embodiment

Referring to Fig. 1-Fig. 6, this utility model mainly is made up of handle portion I, attraction cutter head part II and sheath part III, and handle portion I is connected with sheath part III with attracting cutter head part II respectively.Specifically: handle portion I is connected with external screw thread 9-1 on the attraction joint 9 by the slide block female thread 8-1 on the slide block 8 with attracting cutter head part II; Sheath part III is installed in main body 7 endoporus of handle portion I, and is connected with the main body female thread 7-1 of handle portion I by sheath clamp nut 5.

Handle portion I of the present utility model mainly is made up of front hand grip 11, back handle 12, main body 7 and slide block 8.Front hand grip 11 flexibly connects by arbor screw 12 with back handle 12, has cotter slot 11-1 in the upper end of front hand grip 11, has spring groove 12-1 on back handle 12; Main body 7 and slide block 8 are hollow structure, and promptly main body 7 and slide block 8 are through-hole structure; Main body 7 and back handle 12 welding, slide block 8 is installed in the endoporus of main body 7, on slide block 8, be welded with slide block pin 13, this slide block pin 13 mates with the cotter slot 11-1 of front hand grip 11, be that slide block pin 13 is connected in the cotter slot 11-1 of front hand grip 11, the switching by front hand grip 11 during use can make slide block 8 front and back slide; In the spring groove 12-1 of back handle 12 spring 14 is installed, the top of this spring 14 contacts with steel ball 15; Described steel ball 15 upper ends are positioned at the locating slot 6-1 of the outer pipe connector sleeves 6 of sheath part III, are used for the location of sheath part III.

The front end of main body 7 is provided with main body female thread 7-1, so that sheath part III is rotated; Be provided with slide block female thread 8-1 in the rear end of slide block 8, so that be connected with attracting cutter head part II.

Attraction cutter head part II of the present utility model mainly is made up of interior cutter head 2, interior pipe 4 and attraction joint 9.Interior pipe 4 passes through laser weld with interior cutter head 2, attracts joint 9 and interior pipe 4 to pass through laser weld; Interior cutter head 2, interior pipe 4 and attract joint 9 to be arranged in order, and interior cutter head 2, interior pipe 4 and attract joint 9 to be hollow structure, cutter head hole 2-1 in having on the cutter head in promptly has inner orifice 4-1 on the interior pipe 4, attracts to have on the joint 9 to attract nipple orifice 9-1; And attract joint 9 to be provided with external screw thread 9-2, so that can be connected with handle portion I when using.

In the present embodiment, the diameter of interior cutter head 2 equals 3mm; In fact: the diameter of interior cutter head 2 can be between 2.2mm-4mm.

Sheath part III of the present utility model mainly is made up of outer cutter head 1, outer tube 3 and outer pipe connector sleeves 6.Outer tube 3 and outer cutter head 1 welding, outer pipe connector sleeves 6 and outer tube 3 welding; And outer cutter head 1, outer tube 3 and outer pipe connector sleeves 6 are arranged in order, and they are hollow structure, have outer cutter head hole 1-1 on the promptly outer cutter head 1, have outer pore 3-1 on the outer tube 3, have outer tube connecting hole 6-2 outside on the pipe connector sleeves 6; Also have edge of a knife 1-2 on the cutter head 1 outside, it matches with the interior cutter head 2 that attracts cutter head part II, and the leading section of outer cutter head 1 is an enclosed construction; Also be provided with locating slot 6-1 on the pipe connector sleeves 6 outside, so that cooperate with the steel ball 15 of handle portion I.

In the present embodiment, the diameter of outer cutter head 1 equals 4mm; In fact: the diameter of outer cutter head 1 can be between 3mm-5mm.

During use, just connect suction pump as attracting; This utility model need not connect other machine and just can directly cut; Cutting is to cooperate cutting by the edge of a knife 1-2 and interior cutter head 2 edges of a knife on the outer cutter head 1 of sheath part III; The outer pipe connector sleeves 6 of sheath part III is installed in the endoporus of main body 7, and can do 360 ° of rotations, and the circumference of pipe connector sleeves 6 is provided with eight locating slot 6-1 in addition, so that can 45 ° of location when doing 360 ° of rotations.

This utility model convenient disassembly, its handle portion I, attraction cutter head part II and sheath part III three parts are all by being threaded.Handle portion I is connected with external screw thread 9-2 on the attraction joint 9 by the slide block female thread 8-1 on the slide block 8 with attracting cutter head part II; Sheath part III is installed in the endoporus of main body 7 of handle portion I, and is connected with the main body female thread 7-1 of handle portion I by sheath clamp nut 5; As long as above-mentioned two place's screw threads are unclamped with regard to dismantling be divided into three parts, and can carry out autoclave sterilization during dismounting.

Claims

1, a kind of Demountable clamp for sucking polypi, comprise handle portion, attract cutter head part and sheath part, front hand grip in the handle portion and back handle flexibly connect, attract cutter head partly to comprise interior cutter head, sheath comprises that partly leading section is the outer cutter head of enclosed construction, is characterized in that: described handle portion partly is connected with sheath with attracting the cutter head part respectively; Described attraction cutter head partly also comprises interior pipe and attraction joint, and they are through-hole structure, and interior pipe welds with interior cutter head and attraction joint respectively; Described sheath part also comprises the outer pipe connector sleeves of outer tube and band through hole, and outer tube welds with outer cutter head and outer pipe connector sleeves respectively; Front hand grip upper end at described handle portion has cotter slot, has spring groove on back handle; Also be provided with the main body and the slide block of band through hole, main body and back handle welding; Slide block is installed in the endoporus of main body, also is welded with the slide block pin on described slide block, the cotter slot coupling of this slide block pin and front hand grip; In the spring groove of described back handle, spring is installed, and steel ball is installed on the top of this spring.

2, Demountable clamp for sucking polypi according to claim 1 is characterized in that: have the edge of a knife on the outer cutter head of described sheath part, it matches with interior cutter head; Pipe connector sleeves is provided with locating slot outside.

3, Demountable clamp for sucking polypi according to claim 1 is characterized in that: the body front end at described handle portion is provided with the main body female thread, and the slide block rear end is provided with the slide block female thread.

4, Demountable clamp for sucking polypi according to claim 1 is characterized in that: the attraction joint of described attraction cutter head part is provided with external screw thread.

5, Demountable clamp for sucking polypi according to claim 1 and 2 is characterized in that: described steel ball is positioned at the locating slot of outer pipe connector sleeves.

6, according to claim 1 or 3 or 4 described Demountable clamp for sucking polypi, it is characterized in that: described handle portion is connected with external screw thread on the attraction joint by the slide block female thread on the slide block with attracting the cutter head part.

7, according to claim 1 or 2 or 3 described Demountable clamp for sucking polypi, it is characterized in that: described sheath partly is installed in the main body endoporus of handle portion, and is connected with the main body female thread of handle portion by the sheath clamp nut.

8, Demountable clamp for sucking polypi according to claim 1 is characterized in that: described attraction cutter head part is by interior cutter head, interior pipe and attract joint to be arranged in order; Described sheath part is arranged in order by outer cutter head, outer tube and outer pipe connector sleeves.