CN209203386U - A kind of stapler for facilitating reverse grip to operate - Google Patents

Abstract

The utility model provides a kind of stapler for facilitating reverse grip to operate, comprising: end effector, elongated shaft and Handleset；The elongated shaft is connected separately with the end effector and the Handleset, the Handleset includes firing handle and fixed handle, the firing handle is pivotally connected with fixed handle, and for driving the end effector, the fixed handle end is connected with handle block, and in fixed handle end, proximally direction extends the handle block.The utility model improves the operation handle of stapler, solves stapler when the organ relatively high to some positions operates, and handle may reach technical effect that can be more stable when reversely holding stapler to the technical issues of operating is influenced.

Description

A kind of stapler for facilitating reverse grip to operate

Technical field

The utility model relates to a kind of surgical instruments, specially a kind of stapler for facilitating reverse grip to operate.

Background technique

It is known in the prior art, stapler as medically use substitution traditional-handwork suture equipment, user Just, tight, elastic suitable, especially its suture is quick, easy to operate and few side effects and the advantages that postoperative complication, and also So that the tumor operation that can not be cut off in the past is able to lesion resection, very by the favor and high praise of domestic and international Clinical Surgery doctor.Outside Section's stapler such as scope Endo-GIA may include that can be moved or be carried out joint motions relative to elongated shaft assembly End effector.End effector, which is usually configured to, will need the tissue cut off to be fixed between clamping device, wherein clamping It generally includes to be configured to the structure with nail bin is accommodated in device.Handle portion for operation is then configured to can control The closure of clamping device, and control push blade cutting and staple are pushed to be sutured.In order to which stapler can be made to grasp Make to complete to retreat knife, some staplers are equipped with release knob.Such as the Endo GIA Universal model of Covidien Corp. Intralumenal anastomosis device, have be fixedly connected with drive rack release knob, stapler percussion after the completion of, pass through release draw Hand is pulled back rack gear, so that cutter return back to original position.

Stapler product currently on the market is often suitable only for holding method of the normal handle under.But in some spies When fixed operation, for example when the big portion's excision of stomach or full resection operation, due to organization of human body and modus operandi, normally hold Method is held, instrument hand griping position can interfere with human body, prevent instrument from being operated.Operating time can be delayed in this way, to patient with Carry out risk.Therefore a kind of stapler that can be suitable for reversed gripping operation is needed.

Summary of the invention

The utility model provides a kind of surgical instruments, specially a kind of stapler for facilitating reverse grip to operate.Mentioned in text Reverse grip, refer to using the elongated shaft of stapler as axle center, held by turning upside down after rotation 180 degree.The utility model The operation handle of stapler is improved, solves stapler when the organ relatively high to some positions operates, hand Handle may reach technical effect that can be more stable when reversely holding stapler to the technical issues of operating is influenced.

The technical solution of the utility model is achieved in that

A kind of stapler for facilitating reverse grip to operate, comprising: end effector, elongated shaft and Handleset；Elongated shaft point It is not connected with end effector and Handleset, Handleset includes firing handle and fixed handle, firing handle and fixed hand Handle is pivotally connected, and is used for drive end effector, and fixed handle end is connected with handle block, and handle block is in fixed handle Proximally direction extends for end.Handle stop block structure tangles at the tiger's jaw of operator, and operator makes instrument when not holding with a firm grip Also it is unlikely to fall from hand under the effect of gravity.The operation of other function is carried out convenient for other fingers of operator.

Firing handle includes holding hole, holds hole and operator is protruded into finger wherein, prevent handle when reverse grip from falling off, It holds hole and is located at firing handle end, hold hole and account for firing handle length ratio less than or equal to 1/2.Hole is held to be arranged than common stapler Hold Kong Yao little, such setting, so that holding hole in reverse grip and being suitble to operator for index finger or index finger and middle finger while being inserted into Kong Zhong, remaining finger can be then held at the handle other than hole, play the role of lifting gripping, such setting is more Meet ergonomics.

Handle block and fixed handle junction are arc, are herein the tiger's jaw contact position of operator, the setting of arc makes It is more comfortable to obtain operator tiger's jaw.Fixed handle front end is connected with handle casing, the shortest distance of handle block to handle casing For 7-9cm, such size normal adult meets the width of palm, will not cannot protrude into because of palm is turned down, will not be because This is easy greatly very much to slip when holding.The outer surface of handle block is that cambered surface prevents scuffing of the shell to human body.

Above technical scheme is used, the utility model has the following beneficial effects:

The blocking block structure of " goose hat " formula tangles at the tiger's jaw of operator, and operator makes instrument when not holding with a firm grip It is unlikely to fall from hand under the effect of gravity.The operation of other function is carried out convenient for other fingers of operator.Firing handle Pass structure can tangle finger, balance instrument center, make to operate more stable and reliable.Vertical cut is kissed in the novel cavity of the utility model Clutch, it can instrument in turn when also can normally grip instrument, and smoothly operation percussion instrument, complete to group The seaming and cutting knitted.

Detailed description of the invention

Attached drawing 1 is the overall structure figure according to a kind of surgical instruments of embodiment of utility model；

The front view of the surgical instruments of 2 the utility model embodiment of attached drawing；

The side view that the surgical instruments of 3 the utility model embodiment of attached drawing is turned left from the right side.

Specific embodiment

Corresponding appended drawing reference indicates corresponding component in the drawings.The utility model shows this reality in one form With novel preferred embodiment, and such embodiment should be construed as in no instance to the utility model model The limitation enclosed.It will be appreciated by those skilled in the art that the device and method be described in detail and be shown in the accompanying drawings herein are non-limits The exemplary embodiment of property processed, and the range of the various embodiments of the utility model is limited only by claim. A kind of feature that exemplary embodiment shows and describes can be in conjunction with the feature of other embodiment, it is intended that repairs such Change and variation includes in the scope of the utility model.

As illustrated in the accompanying drawings from 1 to 3, a kind of stapler for facilitating reverse grip to operate, comprising: end effector (it is not shown in the figure, with Prior art end effector is identical), elongated shaft 1 and Handleset 2；Elongated shaft 1 be connected separately with end effector and Handleset 2, Handleset 2 include firing handle 21 and fixed handle 22, and firing handle 21 is pivotally connected with fixed handle 22, And it is used for drive end effector, fixed handle end is connected with handle block 23, and handle block 23 is in 22 end of fixed handle Proximally direction extends.23 structure of handle block tangles at the tiger's jaw of operator, and operator makes instrument when not holding with a firm grip It is unlikely to fall from hand under the effect of gravity.The operation of other function is carried out convenient for other fingers of operator.

Firing handle includes holding hole 24, holds hole and operator is protruded into finger wherein, prevents handle when reverse grip from taking off It falls, holds hole 24 and be located at firing handle end, hold hole 24 and account for firing handle length ratio less than or equal to 1/2.Hole 24 is held to be arranged than general Logical stapler holds Kong Yao little, such setting so that in reverse grip, hold hole 24 be suitble to operator by index finger or index finger and Middle finger inserts in the hole simultaneously, and remaining finger can be then held at the firing handle 21 other than hole, plays and lifts gripping Effect, such setting are more in line with ergonomics.

Handle block 23 and fixed handle junction are arc, are herein the tiger's jaw contact position of operator, the setting of arc So that operator tiger's jaw is more comfortable.22 front end of fixed handle is connected with handle casing 25, handle block to handle casing most Short distance is 7-9cm, and such size normal adult meets the width of palm, will not cannot be protruded into because of palm is turned down, It therefore too big will not be easy to slip when holding.The outer surface of handle block is that cambered surface prevents scuffing of the shell to human body.

This intracavitary vertical cut stapler of the utility model, its working principle: as held stapler in the state of attached drawing 2 (turning upside down with common stapler holding method), 23 structure of handle block tangles at the tiger's jaw of hand, and index finger and middle finger are protruded into and hit Hair handle 21 is held in 24 structure of hole, and firing handle of holding with a firm grip 21 drives instrument push broach forward travel, unclamps firing handle 21, percussion The return under action of reset spring of handle 21.The above movement is repeated until completing seaming and cutting of performing the operation.

As described above, we are illustrated fully according to the objective of the utility model, but the utility model not limits to In above-described embodiment and implementation method.The range that the practitioner of correlative technology field can permit in the technical idea of the utility model It is interior to carry out different variation and implementation.

Claims (5)

1. a kind of stapler for facilitating reverse grip to operate characterized by comprising end effector, elongated shaft and handle group Part；The elongated shaft is connected separately with the end effector and the Handleset, and the Handleset includes firing handle And fixed handle, the firing handle are pivotally connected with fixed handle, and for driving the end effector, the fixed hand Handle end is connected with handle block, and in fixed handle end, proximally direction extends the handle block.

2. a kind of stapler for facilitating reverse grip to operate according to claim 1, which is characterized in that the firing handle includes Hole is held, the hole of holding is located at the firing handle end, and the hole of holding accounts for firing handle length ratio less than or equal to 1/2.

3. a kind of stapler for facilitating reverse grip to operate according to claim 1, which is characterized in that the handle block and institute Stating fixed handle junction is arc.

4. a kind of stapler for facilitating reverse grip to operate according to claim 3, which is characterized in that the fixed handle front end It is connected with handle casing, the shortest distance of the handle block to the handle casing is 7-9cm.

5. a kind of stapler for facilitating reverse grip to operate according to claim 4, which is characterized in that outside the handle block Surface is cambered surface.