CN201642213U - Internally micro-invasive medical fetching tongs adopting sleeve structure - Google Patents
Internally micro-invasive medical fetching tongs adopting sleeve structure Download PDFInfo
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- CN201642213U CN201642213U CN2010201701326U CN201020170132U CN201642213U CN 201642213 U CN201642213 U CN 201642213U CN 2010201701326 U CN2010201701326 U CN 2010201701326U CN 201020170132 U CN201020170132 U CN 201020170132U CN 201642213 U CN201642213 U CN 201642213U
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- binding clip
- sleeve
- tong head
- right binding
- control assembly
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Abstract
Internally micro-invasive medical fetching tongs adopting a sleeve structure comprise a tong head component, and is characterized in that the tong head component mainly comprises a left tong head (1), a right tong head (2), a sleeve (3) and a control component (4) for controlling the opening/closing and moving distance of the left tong head (1) and the right tong head (2); the bite parts of the left tong head (1) and the right tong head (2) extend out of the sleeve (3); the tail parts of the left tong head (1) and the right tong head (2) are connected through a connecting pin (5) which is connected with a drive guy cable with one end mounted in the sleeve (3) in a penetrating manner; drive surfaces (6) are arranged on the outer sides of the left tong head (1) and the right tong head (2) and propped against the sleeve wall at an end opening of the sleeve (3), and the left tong head (1) and the right tong head (2) can be driven by the drive surfaces (6) for automatic closing when contracting towards the sleeve (3); and the control component (4) is mounted on the sleeve (3). The utility model has the advantages of simple structure, convenient manufacture, low cost and high strength.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially the gripping tissue of using in a kind of Minimally Invasive Surgery or the checkout procedure that is used for enters biopsy, takes out and to enter the intravital foreign body of people or operation and be used to help operative doctor to clamp tissue to make it localized thing pincers, the specifically a kind of sleeve structured medical in vivo minimally-invasive object-catching forceps got.
Background technology
As everyone knows, Minimally Invasive Surgery has obtained develop rapidly in recent years, and it has advantages such as operation risk is little, and wound is little, the back of healing is fast.Splanchnoscopy has been widely used in clinical as a kind of aided diagnosis method in addition.In splanchnoscopy, sample pickup tongs is the instrument of an indispensability, and when doctor or patient wished that diseased region carried out pathologic finding, it can enter in the patient body by the speculum forceps road, the tissue of gripping diseased region, for pathologic finding so that make a definite diagnosis.Moreover, when the careless Foreign body aspiration of patient, also can under the condition of not carrying out big otch, foreign body be taken out by means of getting the thing pincers.
All this kind all be unable to do without the help of traditional biopsy forceps, biopsy forceps generally is made up of binding clip assembly, elongated drag-line, the same elongated elastic outer pipe and the handle that are enclosed within the drag-line outside, one end of drag-line links to each other with quadric chain in the binding clip assembly, the other end links to each other with movable bracelet on the handle, one end of elastic outer pipe links to each other with the binding clip assembly, and the other end links to each other with handle.Push away, draw movable bracelet to drive drag-line, drag-line drives the quadric chain action, and two symmetrical binding clips that quadric chain drives on the binding clip assembly are realized opening and closing, thereby realize desired procedure.
For the ease of in human body, walking, in general the size of binding clip assembly is all very little, therefore it is small-sized that being used to of installing in the binding clip assembly drives the quadric chain of left and right sides binding clip folding, this directly has influence on the intensity and the manufacture difficulty of quadric chain, cause cost high, especially the hinge portion between the connecting rod connects difficulty especially, intensity is very low, test according to the applicant, the pulling force that the binding clip part of existing biopsy forceps can be born is no more than 20 kilograms, because biopsy forceps is subjected to interference factor more after entering human body, the rod hinge connection place is easy to fracture and scratches the inside of human body tissue simultaneously.This is not still had good solution at present, and the development of biopsy forceps (getting the thing pincers) seriously lags behind the fast development of Minimally Invasive Surgery.
Summary of the invention
The purpose of this utility model is that even formula biopsy forceps manufacture difficulty is big at existing four, the cost height, the problem that intensity is low, design a kind of quadric chain that do not adopt and drive left and right sides binding clip, make simultaneously easy for installation, intensity sleeve structured medical in vivo minimally-invasive object-catching forceps that can be multiplied, that cost is low.
One of the technical solution of the utility model is:
A kind of sleeve structured medical in vivo minimally-invasive object-catching forceps, comprise the binding clip assembly, it is characterized in that described binding clip assembly is mainly by left binding clip 1, right binding clip 2, sleeve 3 and control left binding clip 1 and the control assembly of 2 foldings of right binding clip and displacement 4 is formed, the associated jaw portion of left side binding clip 1 and right binding clip 2 is stretched out outside the sleeve 3, the pincers portion of left side binding clip 1 and right binding clip 2 links to each other by connecting pin 5, connecting pin 5 links to each other with the driving drag-line that an end is installed in the sleeve 3, and the shank of left binding clip 1 and right binding clip 2 outside is provided with that port barrel with sleeve 3 offsets, the drive surface 6 of energy auto-closing when in sleeve 3, shrinking in order to drive left binding clip 1 and right binding clip 2; Described control assembly 4 is installed on the sleeve 3.
Described control assembly 4 can be and is installed on the sleeve 3 and the pin 7 between left binding clip 1 and right binding clip 2.
Described control assembly 4 also can be made up of the locating slot or the boss that are installed in the torsion spring on the connecting pin 5 and be positioned on the sleeve 3, torsion spring makes left binding clip 1 and right binding clip 2 be an open trend all the time, and locating slot or boss are used for making connecting pin 5 can only move by the stroke of setting at sleeve 3.
Described drive surface 6 is inclined-plane, cambered surface or its combination.Be monocline face structure, many ramp structures, single globoidal structure, multi sphere face structure or inclined-plane and cambered surface structure combining.
Two of the technical solution of the utility model is:
A kind of sleeve structured medical in vivo minimally-invasive object-catching forceps, comprise the binding clip assembly, it is characterized in that described binding clip assembly is mainly by left binding clip 1, right binding clip 2, sleeve 3 and control left binding clip 1 and the control assembly 4 of 2 foldings of right binding clip and displacement is formed, the associated jaw portion of left side binding clip 1 and right binding clip 3 is stretched out outside the sleeve 3, the pincers portion of left side binding clip 1 and right binding clip 3 links to each other by spherical hinge structure 8, spheroid in the spherical hinge structure 8 links to each other with the driving drag-line that an end is installed in the sleeve 3, and the ball-and-socket envelope on left binding clip 1 and the right binding clip 2 is fitted on the described spheroid; That the outside of a left side binding clip 1 and right binding clip 2 is provided with is that port barrel with sleeve 3 offsets, the drive surface 6 of energy auto-closing when driving left binding clip 1 and right binding clip 2 and shrink to sleeve 3 in; Described control assembly 4 is installed on the sleeve 3.
Described control assembly 4 can be and is installed on the sleeve 3 and the pin 7 between left binding clip 1 and right binding clip 2.
Described control assembly 4 also can be made up of the locating slot or the boss that are installed in the torsion spring on the spherical hinge structure 8 and be positioned on the sleeve 3, torsion spring makes left binding clip 1 and right binding clip 2 be an open trend all the time, and locating slot or boss are used for making connecting pin 5 can only move by the stroke of setting at sleeve 3.
Described drive surface 6 is inclined-plane, cambered surface or its combination.Be monocline face structure, many ramp structures, single globoidal structure, multi sphere face structure or inclined-plane and cambered surface structure combining.
The beneficial effects of the utility model:
This utility model adopts tube-in-tube structure, by the mobile realization automatic folding of binding clip in sleeve, compares with traditional quadric chain, not only simple in structure, and easily manufactured, reliable in action, stuck phenomenon appears in the rod deformation that can not occur being prone in the quadric chain.
This utility model structural strength obviously improves, and unique connecting portion is drag-line and connecting pin, and the pulling force that therefore can bear depends on the bonding strength of drag-line, according to applicant's test, when the pulling force that adds still can operate as normal more than 50 kilograms the time.
This utility model is the improvement to traditional structure, has broken the conventional and technology prejudice of technology, because the improvement of performance, can widen the purposes of biopsy forceps greatly, not only can be used for checking, and can be used for foreign body gripping, Wicresoft's hands and the field such as state.
Of the present utility model simple and reasonable, can be used for biopsy forceps in the past the field that can't use, enter human body more along sliding convenient, operability is better.
Description of drawings
Fig. 1 is one of structural representation of the present utility model (a binding clip open mode).
Fig. 2 is that the described thing icarceration of getting of Fig. 1 is closed view.
Fig. 3 is the left tong head sketch map in the structure shown in Figure 1.
Fig. 4 is the structural representation of the right binding clip in the structure shown in Figure 1.
Fig. 5 is two (binding clip open modes) of structural representation of the present utility model.
Fig. 6 is that the described thing icarceration of getting of Fig. 5 is closed view.
Fig. 7 is the left tong head sketch map in the structure shown in Figure 5.
Fig. 8 is the structural representation of the right binding clip in the structure shown in Figure 5.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described.
Embodiment one.
Shown in Fig. 1-4.
A kind of sleeve structured medical in vivo minimally-invasive object-catching forceps, comprise the binding clip assembly, drag-line, elastic outer pipe and handle etc., drag-line, elastic outer pipe and handle etc. are all identical with existing biopsy forceps (or getting the thing pincers), binding clip assembly of the present utility model is mainly by left binding clip 1, right binding clip 2, sleeve 3 and control left binding clip 1 and the control assembly of 2 foldings of right binding clip and displacement 4 is formed, as shown in Figure 1, left binding clip 2 wherein and right binding clip 3 are except adopting Fig. 3, outside the structure shown in 4, also can adopt the binding clip of existing any structure, as be with wrench structure, broached-tooth design etc., the associated jaw portion of left side binding clip 1 and right binding clip 2 is stretched out outside the sleeve 3, the pincers portion of left side binding clip 1 and right binding clip 2 links to each other by connecting pin 5, connecting pin 5 links to each other with the driving drag-line that an end is installed in the sleeve 3, the shank outside of a left side binding clip 1 and right binding clip 2 is provided with that port barrel with sleeve 3 offsets, the drive surface 6 of energy auto-closing when in sleeve 3, shrinking in order to drive left binding clip 1 and right binding clip 2, drive surface 6 can be the inclined-plane, cambered surface or its combination (are available monocline face structure, many ramp structures, single globoidal structure, multi sphere face structure or inclined-plane and cambered surface structure combining); Described control assembly 4 is installed on the sleeve 3, and control assembly 4 can adopt one of following two kinds of structures, also can design in addition as required when specifically implementing, but this design is considered to equivalent structure of the present utility model.Wherein a kind of control assembly can adopt pin 7 structures on the sleeve 3 and between left binding clip 1 and right binding clip 2 of being installed in described in Fig. 1, also can adopt by being installed in the torsion spring on the connecting pin 5 and being positioned at locating slot on the sleeve 3 or structure (not shown) that boss is formed, the two ends of torsion spring contact with left and right binding clip respectively, the main part of torsion spring can be sleeved on the connecting pin, so that left binding clip 1 and right binding clip 2 are an open trend all the time, locating slot or boss are used for making connecting pin 5 can only move by the stroke of setting at sleeve 3.
When of the present utility model when getting thing pincers and arriving the operating position, but operating grip is sent drag-line 10, drag-line 10 promotes connecting pin 5 and moves to the front end of sleeve 3, under barrier effect as the pin 7 of control assembly 4, left and right sides binding clip 1,2 lateral surface slides along the socket port barrel and outwards opens the state that is shown in Figure 1, after opening up into suitable position, again by operating grip pulling drag-line 10, left and right sides binding clip 1,2 in the drive surface 6 of its lateral surface under the constraint of the barrel of sleeve 3 ports, do reversed closed motion, the tissue of clamping required folder moves in sleeve 3, until being state shown in Figure 2, pin 7 is subjected to the effect of the guide and limit passage 9 that forms between the binding clip of the left and right sides can only move the distance of setting, when pin 7 with promptly can't move after the last bottom (relative to Fig. 2) of limit channels 9 offsets, promptly finish gripping work, can carry out next step taking-up identical operation then with existing biopsy forceps.
During concrete enforcement, the size of left and right sides binding clip and telescopic size Selection are conventional the selection, no longer carefully state.
Embodiment two.
Shown in Fig. 5-8.
The difference of present embodiment and embodiment one is that the connected mode of left and right sides binding clip in sleeve 3 is different, left side binding clip 1 links to each other by spherical hinge structure 8 with right binding clip 2, one end of drag-line 10 links to each other with spheroid in the spherical hinge structure 8, the end that left side binding clip 1 and right binding clip 2 are arranged in sleeve 3 is provided with ball-and-socket, shown in Fig. 7,8, ball-and-socket envelope on left side binding clip 1 and the right binding clip 2 is fitted on the described spheroid, be subjected to the restriction of installing hole in the sleeve 3, left and right sides binding clip all can rotate around spheroid and can not come off, and this and existing spherical hinge structure are identical.In addition, when the control assembly 4 of present embodiment adopts the structure that torsion springs and locating slot or boss match, the two ends of torsion spring still offset with left and right binding clip, its main part must be installed between the binding clip of the left and right sides, therefore preferably can respectively design half groove that can hold the torsion spring main body on the face that left and right sides binding clip is relative, all the other are all identical with embodiment one, so no longer repeat.
Material of the present utility model should meet the pertinent regulations of health care during concrete enforcement.
This utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (8)
1. sleeve structured medical in vivo minimally-invasive object-catching forceps, comprise the binding clip assembly, it is characterized in that described binding clip assembly is mainly by left binding clip (1), right binding clip (2), sleeve (3) and control left binding clip (1) and the control assembly (4) of (2) folding of right binding clip and displacement is formed, the associated jaw portion of left side binding clip (1) and right binding clip (2) is stretched out outside the sleeve (3), the pincers portion of left side binding clip (1) and right binding clip (2) links to each other by connecting pin (5), connecting pin (5) links to each other with the driving drag-line that an end is installed in the sleeve (3), and the shank of left binding clip (1) and right binding clip (2) outside is provided with that port barrel with sleeve (3) offsets, the drive surface (6) of energy auto-closing when in sleeve (3), shrinking in order to drive left binding clip (1) and right binding clip (2); Described control assembly (4) is installed on the sleeve (3).
2. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 1 is characterized in that described control assembly (4) is for being installed on the sleeve (3) and being positioned at pin (7) between left binding clip (1) and the right binding clip (2).
3. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 1, it is characterized in that described control assembly (4) forms by being installed in the torsion spring on the connecting pin (5) and the locating slot or the boss that are positioned on the sleeve (3), torsion spring makes left binding clip (1) and right binding clip (2) be an open trend all the time, and locating slot or boss are used for making connecting pin (5) can only move by the stroke of setting at sleeve (3).
4. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 1 is characterized in that described drive surface (6) is inclined-plane, cambered surface or its combination.
5. sleeve structured medical in vivo minimally-invasive object-catching forceps, comprise the binding clip assembly, it is characterized in that described binding clip assembly is mainly by left binding clip (1), right binding clip (2), sleeve (3) and control left binding clip (1) and the control assembly (4) of (2) folding of right binding clip and displacement is formed, the associated jaw portion of left side binding clip (1) and right binding clip (2) is stretched out outside the sleeve (3), the pincers portion of left side binding clip (1) and right binding clip (2) links to each other by spherical hinge structure (8), spheroid in the spherical hinge structure (8) links to each other with the driving drag-line that an end is installed in the sleeve (3), and the ball-and-socket envelope on left binding clip (1) and the right binding clip (2) is fitted on the described spheroid; That the shank outside of a left side binding clip (1) and right binding clip (2) is provided with is that port barrel with sleeve (3) offsets, the drive surface (6) of energy auto-closing when driving left binding clip (1) and right binding clip (2) and shrink in sleeve (3); Described control assembly (4) is installed on the sleeve (3).
6. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 5 is characterized in that described control assembly (4) is for being installed on the sleeve (3) and being positioned at pin (7) between left binding clip (1) and the right binding clip (2).
7. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 5, it is characterized in that described control assembly (4) forms by being installed in the torsion spring on the spherical hinge structure (8) and the locating slot or the boss that are positioned on the sleeve (3), torsion spring makes left binding clip (1) and right binding clip (2) be an open trend all the time, and locating slot or boss are used for making connecting pin (5) can only move by the stroke of setting at sleeve (3).
8. sleeve structured medical in vivo minimally-invasive object-catching forceps according to claim 5 is characterized in that described drive surface (6) is inclined-plane, cambered surface or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201701326U CN201642213U (en) | 2010-04-26 | 2010-04-26 | Internally micro-invasive medical fetching tongs adopting sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201701326U CN201642213U (en) | 2010-04-26 | 2010-04-26 | Internally micro-invasive medical fetching tongs adopting sleeve structure |
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| Publication Number | Publication Date |
|---|---|
| CN201642213U true CN201642213U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201701326U Expired - Lifetime CN201642213U (en) | 2010-04-26 | 2010-04-26 | Internally micro-invasive medical fetching tongs adopting sleeve structure |
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| Country | Link |
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| CN (1) | CN201642213U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836881A (en) * | 2010-04-26 | 2010-09-22 | 南京思维斯精密机械制造有限公司 | Sleeve structured medical in vivo minimally-invasive object-catching forceps |
| CN109620311A (en) * | 2019-01-22 | 2019-04-16 | 于岭 | Biopsy forceps and its manufacturing method with integral type binding clip |
| CN110292401A (en) * | 2019-07-25 | 2019-10-01 | 郑州大学第一附属医院 | Multistage position tissue biopsy device |
-
2010
- 2010-04-26 CN CN2010201701326U patent/CN201642213U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836881A (en) * | 2010-04-26 | 2010-09-22 | 南京思维斯精密机械制造有限公司 | Sleeve structured medical in vivo minimally-invasive object-catching forceps |
| CN101836881B (en) * | 2010-04-26 | 2011-07-20 | 南京思维斯精密机械制造有限公司 | Sleeve structured medical in vivo minimally-invasive object-catching forceps |
| CN109620311A (en) * | 2019-01-22 | 2019-04-16 | 于岭 | Biopsy forceps and its manufacturing method with integral type binding clip |
| CN110292401A (en) * | 2019-07-25 | 2019-10-01 | 郑州大学第一附属医院 | Multistage position tissue biopsy device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20111207 |