CN201341904Y - Pore-expanding clamp for minimal traumatic operation - Google Patents
Pore-expanding clamp for minimal traumatic operation Download PDFInfo
- Publication number
- CN201341904Y CN201341904Y CNU2009200505960U CN200920050596U CN201341904Y CN 201341904 Y CN201341904 Y CN 201341904Y CN U2009200505960 U CNU2009200505960 U CN U2009200505960U CN 200920050596 U CN200920050596 U CN 200920050596U CN 201341904 Y CN201341904 Y CN 201341904Y
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- tool rest
- expanding tool
- expanding
- hole
- minimally invasive
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- Expired - Lifetime
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Abstract
The utility model relates to a pore-expanding clamp for minimal traumatic operation, which comprises a left expanding tool rest and a right expanding tool rest which are articulated at middle, front ends of the tool rests are provided with blades which are vertical to the tool rests, rear ends thereof are respectively connected with a left handle and a right handle, and a middle expanding tool rest is arranged between the left expanding tool rest and the right expanding tool rest and is provided with a blade at front end which is vertical to the middle expanding tool rest. The utility model is characterized in that a guiding block is fixed on a hinge shaft of the left expanding tool rest and the right expanding tool rest, a long rectangle pore is arranged at middle of the middle expanding tool rest, the guiding block is arranged in the long rectangle pore, is matched with the long rectangle pore, and makes the middle expanding tool rest move back and forth relative to the left expanding tool rest and the right expanding tool rest; the middle expanding tool rest is connected with the left expanding tool rest and the right expanding tool rest through a linkage member, and a locking positioning mechanism for locking movement position of the middle expanding tool rest is arranged on the middle expanding tool rest. The utility model has simply and convenient operation, and simultaneously shortens operation time, and the locking positioning mechanism can effectively guarantee safety of the expanding process.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, and particularly a kind of simple in structure, easy to operate, once-through operation can reach operation desired location size and shape, the Minimally Invasive Surgery of the minimizing expanding time hole pincers that rise.
Background technology
Minimally Invasive Surgery is the operation of microtrauma, is meant the hands art that modern medical equipment such as utilizing peritoneoscope, thoracoscope and relevant device carry out; It has, and wound is little, pain light, recover fast superiority, frequent adopted this kind modus operandi in therefore existing a lot of surgical operations.
The existing hole wrench structure that rises that expands operative incision that is used to rise generally comprises therefrom hinged left and right expanding tool rest, in the middle of the expanding tool rest of the left and right sides, be provided with the middle expanding tool rest that can move forward and backward, the front end of left, center, right expanding tool rest all is equipped with vertical blades, and the rear end connects left and right handle respectively.
Because the existing left, center, right expanding tool rest that rises by the hole pincers does not have link gear, to at first hold during use and mediate left and right sides handle, the front end of left and right expanding tool rest opens around about pin joint, drive vertical blades left and right sides spreading operative incision, and then the further expanding opening of expanding tool rest in pulling back.Also be that the existing hole pincers of rising needed for two steps divided the both directions otch expanding that undergos surgery.So not only increased the time of operation, and the patient is caused bigger injury, and the time of patient's post-operative recovery is also longer.
The utility model content
The purpose of this utility model just provides one step of a kind of once-through operation to get final product three direction expanding operative incisions, reaches operation desired location size and shape, minimizing expanding time, and simple in structure, the easy to operate Minimally Invasive Surgery hole pincers that rise.
The purpose of this utility model can realize by following technical scheme:
Rise hole pincers of a kind of Minimally Invasive Surgery, comprise therefrom hinged left and right expanding tool rest, the front end of tool rest all is equipped with the blade perpendicular with it, the rear end connects left and right handle respectively, between left and right expanding tool rest, also be provided with the middle expanding tool rest that front end is equipped with vertical blades, it is characterized in that: be fixed with guide pad on the jointed shaft of described left and right expanding tool rest, have long rectangular opening in described in the middle of the expanding tool rest, it is suitable and the expanding tool rest can be moved forward and backward with respect to left and right expanding tool rest that guide pad is arranged in long rectangular opening and size and long rectangular opening; The expanding tool rest connects left and right expanding tool rest by STATEMENT OF FEDERALLY SPONSORED in described, also is provided with the lock in place mechanism that is used to lock its shift position on the middle expanding tool rest.
Described STATEMENT OF FEDERALLY SPONSORED is a symmetric left and right sides connecting rod, and left connecting rod two ends are hinged on the rear end of a left side, middle expanding tool rest respectively, and the right connecting rod two ends are hinged on the rear end of the right side, middle expanding tool rest respectively.
Have the hole of " D " font in the middle of the described guide pad, also fixing in the hole of described jointed shaft insertion guide pad, the cross section of described jointed shaft also is that the hole of " D " font and size and guide pad is suitable.
When using this utility model, left and right handle is applied relative external force to be closed up in opposite directions, left and right expanding tool rest front end outwards opens the rear end around pin joint and closes up, hinged with left and right expanding tool rest rear end respectively also relative the drawing close of left and right connecting-rod head, the hinged end of left and right connecting rod and middle expanding tool rest is then carried out middle expanding tool rest to move backward, finally being implemented in three expanding tool rests links simultaneously, thereby three expanding tool rests are opened simultaneously, the operative incision expanding is arrived operation desired position size and shape; When lock in place mechanism locks, middle expanding tool rest maintains static, the STATEMENT OF FEDERALLY SPONSORED that is used to so link also maintains static, because left and right expanding tool rest all connects STATEMENT OF FEDERALLY SPONSORED, therefore their open degree size also is fixed, promptly three expansion shape tool rests all are locked in a certain open angle, have guaranteed reliability, the safety of operation process effectively.
On above-mentioned basis, this utility model can be done following improvement:
Described locking bit mechanism comprises clamp, dental lamina and reset tension spring sheet, expanding tool rest top during described dental lamina is fixed in; Described clamp therefrom is laterally hinged with in the top of left and right expanding tool rest jointed shaft, and the clamp rear end is downward elbow, corresponding to the alveolus of dental lamina; Described reseting spring leaf is fixed in the hinged place of left and right expanding tool rest and is positioned at the below of clamp.
When the downward front end of pressing clamp, its elbow end is upwarped with the dental lamina alveolus around jointed shaft separate, the release of middle expanding tool rest just can move forward.
During the expanding otch, only with hand is held and is closed handle, because clamp can be upspring mobilely automatically when being provided with spring leaf and special thread form shape and can guaranteeing spreading, reverse is self-locking, does not need to depress clamp during this otch expanding.When the otch expanding reaches required size, release handle, this moment clamp under the effect of spring leaf, snap in the alveolus of dental lamina, fix the position of three expanding tool rests.When the hole of rising clamps together, hold two handles earlier with hands, exert oneself slightly, depress clamp simultaneously, release handle slowly afterwards, the hole pincers close up fully until rising.Clamp, dental lamina and spring leaf combined effect, making slides when opening rhythm, smooth and easy; Self-locking when reverse, thus open shape of left and right, middle expanding tool rest and size guaranteed, improve the reliability and security of operation process.
Described dental lamina and middle expanding tool rest are formed in one, the more compact structure of the feasible hole pincers that rise.
This utility model also can be provided with resetting-mechanism, and it comprises reset tension spring and inner and outer sleeves, and the inner and outer sleeves opening is relative, outer sleeve slides over outside the inner sleeve, two sleeves can relative displacement, and described reset tension spring places in the inner sleeve, and two ends are separately fixed at the bottom of inner and outer sleeves; Described outer sleeve bottom is fixed on the intermediary guide pad of left and right sides expanding tool rest, and described inner sleeve bottom then is fixed on the middle expanding tool rest.
When left, center, right expanding tool rest links when opening simultaneously, middle expanding tool rest moves backward relative to left and right expanding tool rest, spurs inner sleeve simultaneously, and the reset tension spring that is built in two sleeves promptly is stretched, when the operative incision expanding to need big or small the time, lock by lock in place mechanism.After operation is finished, remove lock-bit, three expanding tool rests recover original state under the effect of reset tension spring, realize resetting.Because reset tension spring is built in the inner sleeve, make resetting-mechanism compact conformation of the present utility model, operation more reliable, also prevented from simultaneously the abnormal conditions of spring breakage take place and the danger that causes.
Part in the insertion expanding tool rest of described blade is a triangle, and the head of described expanding tool rest is provided with the hole that adapts with blade, and a side of the head of described expanding tool rest and blade correspondence is equipped with screwed hole, and both adopt headless screw fastening; The contact area of blade and tool rest is big, and the blade after the installation is very stable, can guarantee the safety in the operation process effectively, in addition, because the contact surface of blade and tool rest is the plane, makes things convenient for the installation of headless screw, makes the replacing of blade faster.
The rear end of described left and right handle and left and right expanding tool rest is detachable installation; Before the expanding, left and right handle is installed on the left and right expanding tool rest, can operates the expanding device with less power; After finishing the expanding operation, take off handle, can alleviate the weight of apparatus, further reduce its influence operation.
Be compared with the prior art, Minimally Invasive Surgery of the present utility model three the expanding tool rests in hole pincers left, center, right that rise link mutually, once-through operation can be with the operative incision expanding to desired location size and the shape of performing the operation, thereby reduces the time of apparatus in operation to greatest extent; The hole wrench structure that rises is simple, and reliable in action is easy to operate, expanding is quick, be easy to manufacture, and the lock in place mechanism that is provided with has guaranteed reliability, the safety of operation process effectively.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cross-sectional schematic along A-A line among Fig. 1;
Fig. 3 is the scheme of installation of blade of the present utility model and expanding tool rest;
Fig. 4 is the cross-sectional schematic along C-C line among Fig. 3;
Fig. 5 is the structural upright sketch map of locking mechanism of the present utility model;
Fig. 6 is the cross-sectional schematic of locking mechanism of the present utility model;
Fig. 7 is the structure cross-sectional schematic of resetting-mechanism of the present utility model;
Fig. 8 is the structural representation of guide pad of the present utility model;
Fig. 9 is the structural representation of guide pad of the present utility model and jointed shaft;
The dismounting schematic perspective view of Figure 10 left and right handle of the present utility model and left and right expanding tool rest;
Figure 11 is the schematic perspective view that left, center, right of the present utility model expanding tool rest links simultaneously.
The specific embodiment
Rise hole pincers of Minimally Invasive Surgery shown in Fig. 1～11, it comprises therefrom hinged left and right expanding tool rest 2,1, the front end of two expanding tool rests all is equipped with the blade perpendicular with it 4, the rear end connects dismountable left and right handle 9,11 respectively, between left and right expanding tool rest 2,1, also be provided with the middle expanding tool rest 3 that front end is equipped with vertical blades 4, the installing hole that three expanding tool rests are used to install blade 4 is a triangle, and be provided with the screwed hole that is communicated with installing hole, no head thread 24 screws in the screwed hole and compresses blade 4.Middle expanding tool rest 3 centres have long rectangular opening and can move forward and backward with respect to left and right expanding tool rest 2,1; The jointed shaft 18 of left and right expanding tool rest 2,1 is through in the elongated hole, the cross section of this jointed shaft 18 also is " D " font, have in the middle of being fixed with on it and the corresponding guide pad 17 in jointed shaft " D " font hole, the guide pad 17 of guiding when being used for expanding tool rest 3 and moving, it is suitable that guide pad 17 is positioned at long rectangular opening and size and long rectangular opening.Be used for the linking two ends of left and right connecting rod 7,13 of three expanding tool rests are hinged with the rear end of the rear end of a left side, expanding tool rest 2,3 and the right side, middle expanding tool rest 1,3 respectively.The lock in place mechanism that is used to lock three expanding tool rests is made of clamp 5, dental lamina and spring leaf 16, wherein, clamp 5 therefrom is laterally hinged with in the top of left and right expanding tool rest 2,1 jointed shaft 18, clamp 5 rear ends are downward elbow, spring leaf 16 is fixed in the hinged place of left and right expanding tool rest 2,1 and is positioned at the below of clamp 5, and dental lamina is fixed in middle expanding tool rest 3 tops, and fastens with clamp 5, in reality is made, can directly dental lamina and middle expanding tool rest 3 be made one.
Take out the hole pincers that rise for after conveniently operation is finished, can set up resetting-mechanism, make the hole pincers that rise recover original position steadily, safely, resetting-mechanism comprises reset tension spring 21 and inner and outer sleeves 23,22, inner and outer sleeves 23,22 openings are relative, and outer sleeve sliding sleeve 22 is outside inner sleeve 23, and two sleeves can have relative displacement, reset tension spring 21 places in the inner sleeve 23, and two ends are separately fixed at the bottom of inner and outer sleeves 23,22; The end of outer sleeve 22, be fixed on left and right expanding tool rest 2, the 1 intermediary guide pad 17, and the end of inner sleeve 23 then is fixed on the middle expanding tool rest 3.
Claims (8)
1, rise hole pincers of a kind of Minimally Invasive Surgery, comprise therefrom hinged left and right expanding tool rest (2,1), the front end of two tool rests all is equipped with the blade perpendicular with it (4), the rear end connects left and right handle (9,11) respectively, also is provided with the middle expanding tool rest (3) that front end is equipped with vertical blades (4) between left and right expanding tool rest (2,1); It is characterized in that: be fixed with guide pad (17) on the jointed shaft (18) of described left and right expanding tool rest (2,1), have long rectangular opening in the middle of the expanding tool rest (3) in described, guide pad (17) is arranged in the suitable expanding tool rest (3) that makes of long rectangular opening and size and elongated hole and can moves forward and backward with respect to left and right expanding tool rest (2,1); Expanding tool rest (3) connects left and right expanding tool rest (2,1) by STATEMENT OF FEDERALLY SPONSORED in described, also is provided with the lock in place mechanism that is used to lock its shift position on the middle expanding tool rest (3).
2, rise hole pincers of Minimally Invasive Surgery according to claim 1, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED is symmetric left and right connecting rod (7,13), connecting rod (7) two ends, a left side are hinged on the rear end of a left side, middle expanding tool rest (2,3) respectively, and right connecting rod (13) two ends are hinged on the rear end of the right side, middle expanding tool rest (1,3) respectively.
3, rise hole pincers of Minimally Invasive Surgery according to claim 2, it is characterized in that: the hole that has " D " font in the middle of the described guide pad (17), also fixing in the hole of described jointed shaft (18) insertion guide pad (17), the cross section of described jointed shaft (18) also is that the hole of " D " font and size and guide pad (17) is suitable.
4, rise hole pincers of Minimally Invasive Surgery according to claim 3, it is characterized in that: described locking bit mechanism comprises clamp (5), dental lamina and spring leaf (16), described clamp (5) therefrom is laterally hinged with in the top of left and right expanding tool rest (2,1) jointed shaft (18), clamp (5) rear end is downward elbow, described spring leaf (16) is fixed in the hinged place of left and right expanding tool rest (2,1) and is positioned at the below of clamp (5), described dental lamina is fixed in middle expanding tool rest (3) top, and fastens with clamp (5).
5, rise hole pincers of Minimally Invasive Surgery according to claim 4, it is characterized in that: described dental lamina and middle expanding tool rest (3) are formed in one.
6, according to rise hole pincers of the described any Minimally Invasive Surgery of claim 1 to 5, it is characterized in that: also be provided with resetting-mechanism, it comprises reset tension spring (21) and inner and outer sleeves (23,22), inner and outer sleeves (23,22) opening is relative, outer sleeve sliding sleeve (22) is outside inner sleeve (23), two sleeves can have relative displacement, and described reset tension spring (21) places in the inner sleeve (23), and two ends are separately fixed at the bottom of inner and outer sleeves (23,22); The end of described outer sleeve (22), be fixed on left expanding tool rest (2) and the intermediary guide pad of right expanding tool rest (1) (17), and the end of described inner sleeve (23) then is fixed on the middle expanding tool rest (3).
7, rise hole pincers of Minimally Invasive Surgery according to claim 6, it is characterized in that: the part in the insertion expanding tool rest of described blade (4) is a triangle, the head of described expanding tool rest is provided with the hole that adapts with blade, one side of the head of described expanding tool rest and blade correspondence is equipped with screwed hole, and both adopt headless screw (24) fastening.
8, rise hole pincers of Minimally Invasive Surgery according to claim 7, it is characterized in that: described left and right handle (9,11) is detachable installation with the rear end of left and right expanding tool rest (2,1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200505960U CN201341904Y (en) | 2009-01-22 | 2009-01-22 | Pore-expanding clamp for minimal traumatic operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200505960U CN201341904Y (en) | 2009-01-22 | 2009-01-22 | Pore-expanding clamp for minimal traumatic operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201341904Y true CN201341904Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200505960U Expired - Lifetime CN201341904Y (en) | 2009-01-22 | 2009-01-22 | Pore-expanding clamp for minimal traumatic operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201341904Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104921777A (en) * | 2015-07-01 | 2015-09-23 | 张英泽 | Microsurgery forceps with double forceps heads capable of clamping and fixing |
| CN109171845A (en) * | 2010-08-23 | 2019-01-11 | 纽文思公司 | Retract device assembly |
| CN109893211A (en) * | 2019-01-31 | 2019-06-18 | 汕头大学 | A kind of minimally invasive abdominal operation equipment clamps together device |
| CN111838239A (en) * | 2019-04-25 | 2020-10-30 | 青龙满族自治县双合盛生态农产品有限公司 | Three-blade opening scissors |
| CN113262001A (en) * | 2021-04-28 | 2021-08-17 | 四川米兰柏羽医学美容医院有限公司 | Combined endoscope breast augmentation guider |
| CN114569169A (en) * | 2022-02-16 | 2022-06-03 | 天津市中西医结合医院（天津市南开医院） | Visual minimal access operation device in abdominal cavity |
-
2009
- 2009-01-22 CN CNU2009200505960U patent/CN201341904Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171845A (en) * | 2010-08-23 | 2019-01-11 | 纽文思公司 | Retract device assembly |
| CN109171845B (en) * | 2010-08-23 | 2021-04-13 | 纽文思公司 | Retractor assembly |
| CN104921777A (en) * | 2015-07-01 | 2015-09-23 | 张英泽 | Microsurgery forceps with double forceps heads capable of clamping and fixing |
| CN104921777B (en) * | 2015-07-01 | 2017-03-01 | 张英泽 | The microsurgery pincers that a kind of pair of binding clip can grip |
| CN109893211A (en) * | 2019-01-31 | 2019-06-18 | 汕头大学 | A kind of minimally invasive abdominal operation equipment clamps together device |
| CN109893211B (en) * | 2019-01-31 | 2024-03-12 | 汕头大学 | Clamping device of minimally invasive abdominal cavity surgical equipment |
| CN111838239A (en) * | 2019-04-25 | 2020-10-30 | 青龙满族自治县双合盛生态农产品有限公司 | Three-blade opening scissors |
| CN113262001A (en) * | 2021-04-28 | 2021-08-17 | 四川米兰柏羽医学美容医院有限公司 | Combined endoscope breast augmentation guider |
| CN114569169A (en) * | 2022-02-16 | 2022-06-03 | 天津市中西医结合医院（天津市南开医院） | Visual minimal access operation device in abdominal cavity |
| CN114569169B (en) * | 2022-02-16 | 2023-09-01 | 天津市中西医结合医院（天津市南开医院） | Visual minimally invasive operation device in abdominal cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |
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| CX01 | Expiry of patent term |