CN207755322U - A kind of release device of closing clamp - Google Patents
A kind of release device of closing clamp Download PDFInfo
- Publication number
- CN207755322U CN207755322U CN201720797937.5U CN201720797937U CN207755322U CN 207755322 U CN207755322 U CN 207755322U CN 201720797937 U CN201720797937 U CN 201720797937U CN 207755322 U CN207755322 U CN 207755322U
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- China
- Prior art keywords
- closing clamp
- needle
- pawl
- release device
- occlusion
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Abstract
The utility model discloses a kind of release devices of closing clamp, inner sleeve is fixed on the distal end of outer sheath, the proximal end of outer sheath connects handle, outer sleeve is set on inner sleeve and can slide back and forth, the distal end of outer sleeve and drawstring connects, the proximal end of drawstring is connect with sliding part, and there are the gaps for accommodating closing clamp between inner sleeve and outer sleeve；Before closing clamp release, the needle point for being engaged needle pawl is in separated position forward, be engaged needle pawl tail portion and arc spring rear, warpage closing clamp cylindrical in shape is set on inner sleeve, and outer sleeve is covered to the needle point of occlusion needle pawl；When closing clamp discharges, outer sleeve is moved rearwardly into exposing closing clamp under the drive of drawstring, closing clamp reverts to annular slice structure under the elastic restoring force effect of arc spring, and it is in rounding state that the needle point of each occlusion needle pawl, which is directed to the central point of annular, forms clamp structure.This programme can the disposable larger wound of rapid suture, structure is reliable, and release is convenient, and firm grip is accurate.
Description
Technical field
The utility model is related to medical instruments field more particularly to a kind of release dresses for the closing clamp that cooperation endoscope uses
It sets, the hemostasis of the surgical wound for suturing Microendoscopic or prevents tardy bleeding.
Background technology
With the development of endoscopic technic and other the relevant technologies, Hemostasis through endoscopy has become current hemorrhage of digestive tract and controls
The preferred therapy for the treatment of.Currently used Endoscope hemostasis method have laser coagulation, electrocoagulation, local injection hemostasia,
Herbal sprinkling method and hemostatic clamp folder close method etc..Wherein, hemostatic clamp folder closes method because its traumatic small, anthemorrhagic speed is fast, bleeding is sent out again
Raw rate is low, few intercurrent disease, it is curative for effect the features such as, it has also become hemorrhage of digestive tract non-operative treatment is most effective, most has clinical application
The method of value.However, when hemorrhage of digestive tract or larger postoperative wound area, multiple hemostatic clamp joint nylon are often used
Rope is sutured, this not only extends operating time, increases operating difficulty, and increases operation cost, is increased to patient
Pain.
The patent document of Patent No. CN201410203897.8 discloses " a kind of medical sutures clip ", is related to one kind and sets
The medical sutures clip in intervention operating equipment end is set, which is discharged using bracing wire, can not be suitable for the seam of larger wound
It closes, and clamping is not secured enough, positioning is not accurate enough.
The patent document of the patent No. 201620374059.1 discloses " a kind of hemostatic clamp that cooperation endoscope uses ", is related to
A kind of to be pressed from both sides by the way that the occlusion that two are symmetrically pivotally connected is arranged, occlusal surface is rake, is sleeved on by rubber band and is fixed on hook, structure
Complexity, be clamped, discharge it is inconvenient for operation.
Invention content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of release device of closing clamp, energy
Enough disposable larger wounds of rapid suture, structure is reliable, and release is convenient, and firm grip is accurate.
To achieve the above object, the utility model uses technical solution below：
A kind of release device of closing clamp includes inner sleeve (6), outer sleeve (7), outer sheath (4), drawstring (5), handle (3)
And its sliding part (2), inner sleeve (6) are fixed on the distal end of outer sheath (4), the proximal end connection handle (3) of outer sheath (4), housing
Cylinder (7) be set on inner sleeve (6) and can slide back and forth, outer sleeve (7) is connect with the distal end of drawstring (5), drawstring (5) it is close
End is connect with sliding part (2), and there are the gaps for accommodating closing clamp (8) between inner sleeve (6) and outer sleeve (7)；It is suturing
Before pressing from both sides (8) release, the needle point (11) for being engaged needle pawl is in separated position forward, and the tail portion (14) and arc spring (15) for being engaged needle pawl exist
Afterwards, warpage closing clamp cylindrical in shape (8) is set on inner sleeve (6), outer sleeve (7) covering to the needle point (11) for being engaged needle pawl；
When closing clamp (8) discharge, outer sleeve (7) is moved rearwardly under the drive of drawstring (5) exposes closing clamp (8), closing clamp (8)
Annular slice structure is reverted under the elastic restoring force effect of arc spring (15), the needle point (11) of each occlusion needle pawl is directed to
The central point of annular is in rounding state, forms clamp structure.
Preferably, being that transparent material is made between the inner sleeve (6) and outer sleeve (7).
Preferably, outer sleeve (7) is equipped with the promotion that the closing clamp (8) that warpage can be pushed cylindrical in shape moves forward
Portion.
Preferably, the inner sleeve (6) is set on endoscope head end (9).Release device can be covered by being interference fitted
Increase the enclasping force in endoscope head end periphery in endoscope head end, or one elastic tape of increase.
Preferably, the closing clamp, including at least three occlusion needle pawls that are centrosymmetric, the occlusion needle pawl include
Needle point (11), needle body (13) and tail portion (14), the tail portion (14) of adjacent two occlusion needle pawls are connected by one section of arc spring (15)
It connects, the head and the tail connection of each section of arc spring (15) forms annular, and when free state, the needle point (11) of each occlusion needle pawl is directed to the ring
The central point of shape, but the needle point (11) of each occlusion needle pawl does not contact.
Preferably, the both sides protrusion of the needle body (13) is provided with flat gear (12).The flat stopper of occlusion needle is allocated as being used in
In the depth for limiting needle point insertion tissue, prevent from causing too deep tissue perforation.
Preferably, the arc spring (15) is arc-shaped.
Preferably, the arc spring (15) is recessed to annular center side.Arc spring has preferably elasticity recovery in this way
Ability.
Preferably, the closing clamp includes six occlusion needle pawls being centrosymmetric and six sections of arc springs (15).
Preferably, the occlusion needle pawl and arc spring (15) are by the integrally manufactured molding of sheet memory metal material.Using
Memory metal material, such closing clamp, which can have, preferably restores shape capability, ensures firm grip.
For the utility model as a result of above technical solution, needle point gos deep into tissue, actively captures surface of a wound surrounding tissue,
It is closed the wound of larger area, folder tilts after closing without tail end, does not influence other surgical procedures；Can disposable rapid suture it is larger
Wound, structure is reliable, and release is convenient, and firm grip is accurate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model release device；
Fig. 2 is the structural schematic diagram of the utility model closing clamp embodiment one；
Fig. 3 is the structural schematic diagram of the utility model closing clamp embodiment two；
Fig. 4 is the structural schematic diagram of the utility model closing clamp embodiment three；
Fig. 5 is the structural schematic diagram of the utility model closing clamp (before release, warpage is cylindrical in shape)；
Fig. 6 is the release process schematic of the utility model closing clamp (before release, warpage is cylindrical in shape)；
Fig. 7 is the release process schematic of the utility model closing clamp (after release, clamp position).
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify to describe, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
It is described in the utility model it is " preceding " refer to outer sheath distal direction (when operation in human body), " rear " refers to epitheca
The proximal direction (when operation out of the human body portion, Handleset) of pipe.
A kind of closing clamp as shown in Figure 2 to Figure 3, including at least three occlusion needle pawls that are centrosymmetric, the occlusion
Needle pawl includes needle point 11, needle body 13 and tail portion 14, and the tail portion 14 of adjacent two occlusion needle pawls is connected by one section of arc spring 15,
Each section of arc spring 15 connects formation annular from beginning to end, and when free state, the needle point 11 of each occlusion needle pawl is directed in the annular
Heart point, but the needle point 11 of each occlusion needle pawl does not contact.
In the present embodiment, the both sides protrusion of the needle body 13 is provided with flat gear 12；It is engaged the flat stopper point of needle, is acted on
In the depth for limiting needle point insertion tissue, prevent from causing too deep tissue perforation.The arc spring 15 is arc-shaped.The arc
Spring 15 is recessed to annular center side.This closing clamp is memory metal material, can be the multijaw circular symmetric knot of three-jaw or more
Structure can be three-jaw structure as shown in Figure 3, can also be four paws structure as shown in Figure 4, present case it is preferably as shown in Figure 2 six
Pawl structure, the i.e. closing clamp include six occlusion needle pawls being centrosymmetric and six sections of arc springs 15.The occlusion needle pawl and arc
Shape spring 15 is by the integrally manufactured molding of sheet memory metal material.
A kind of release device of closing clamp as shown in Figure 1 includes inner sleeve 6, outer sleeve 7, outer sheath 4, drawstring 5, handle
3 and its sliding part 2, thumb rings 1, inner sleeve 6 is fixed on the distal end of outer sheath 4, and the proximal end of outer sheath 4 connects handle 3, outer sleeve
7 are set on inner sleeve 6 and can slide back and forth, and outer sleeve 7 is connect with the distal end of drawstring 5, proximal end and the sliding part 2 of drawstring 5
Connection, there are the gaps for accommodating closing clamp 8 between inner sleeve 6 and outer sleeve 7.
A kind of method for releasing of closing clamp, including closing clamp as described above 8 and release device；As shown in Figure 5, Fig. 6 institutes
Show, before the release of closing clamp 8, the needle point 11 for being engaged needle pawl is in separated position forward, is engaged tail portion 14 and the arc spring 15 of needle pawl
Rear, warpage closing clamp 8 cylindrical in shape is set on inner sleeve 6, the covering of outer sleeve 7 to the needle point 11 for being engaged needle pawl；It is suturing
When 8 release of folder, outer sleeve 7 is moved rearwardly under the drive of drawstring 5 exposes closing clamp 8, as shown in fig. 7, closing clamp 8 is in arc
Annular slice structure is reverted under the elastic restoring force effect of spring 15, the needle point 11 of each occlusion needle pawl is directed to the center of annular
Point is in rounding state, forms clamp structure.
It is that transparent material is made in the present embodiment, between the inner sleeve 6 and outer sleeve 7.Outer sleeve 7 is equipped with can
The pushing part that the closing clamp 8 for pushing warpage cylindrical in shape moves forward is easily installed and moves in this way closing clamp release.The inner sleeve
Cylinder 6 is set on endoscope head end 9, and such release device can be sleeved on endoscope head end by interference fit, or increase by one
Elastic tape increases the enclasping force in endoscope head end periphery.
In the present embodiment, release device is that Double-layered transparent ring (transparent inside and outside sleeve) and drawstring form, before release, suture
Double-layered quilt is flat to be sandwiched between two layers of transparent ring of one fixed width, after the Forward of the transparent ring of internal layer or the transparent ring of outer layer
It moving, two layers of transparent ring dislocation makes closing clamp lose constraint, using the memory performance of closing clamp, the shape being returned to before clamping,
Achieve the purpose that release clamping.
The closing clamp of the utility model, include there are three or more the circularly symmetric occlusion needle pawl of centering, the occlusion needle
Pawl is divided into needle point, flat gear, needle body, tail portion, and the tail portion of each occlusion needle pawl is connected by one section of circular arc spring.It is each when free state
Needle point is directed to the central point of ring, and the needle point of each needle pawl does not contact.When closing clamp is loaded into release, it is engaged the needle of needle pawl
Point is in separated position, and circular arc spring section surround and presses the transparent ring of internal layer, and after release, circular arc spring section discharges elastic force, and needle point is inserted
Enter tissue, achieve the purpose that surround suture to central point gathering.
The release device of the utility model by the transparent ring of internal layer, the transparent ring of outer layer, elastic tape, drawstring, outer sheath, handle,
The compositions such as sliding handle, thumb rings move after sliding handle, are moved after pulling the transparent ring of outer layer by drawstring, closing clamp is made to discharge.
The needle point of the closing clamp of the utility model gos deep into tissue, actively captures surface of a wound surrounding tissue, is closed larger area
Wound；Folder tilts after closing without tail end, does not influence other surgical procedures；
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the scope of protection of the utility model.
Claims (10)
1. a kind of release device of closing clamp, which is characterized in that including inner sleeve (6), outer sleeve (7), outer sheath (4), drawstring
(5), handle (3) and its sliding part (2), inner sleeve (6) are fixed on the distal end of outer sheath (4), and the proximal end of outer sheath (4) connects hand
Handle (3), outer sleeve (7) are set on inner sleeve (6) and can slide back and forth, and outer sleeve (7) is connect with the distal end of drawstring (5),
The proximal end of drawstring (5) is connect with sliding part (2), and there are for accommodating closing clamp (8) between inner sleeve (6) and outer sleeve (7)
Gap；Closing clamp (8) release before, be engaged needle pawl needle point (11) forward be in separated position, be engaged needle pawl tail portion (14) and
Rear, warpage closing clamp cylindrical in shape (8) is set on inner sleeve (6) arc spring (15), outer sleeve (7) covering to occlusion needle pawl
Needle point (11)；When closing clamp (8) discharge, outer sleeve (7) is moved rearwardly into exposing closing clamp under the drive of drawstring (5)
(8), closing clamp (8) reverts to annular slice structure under the elastic restoring force effect of arc spring (15), each occlusion needle pawl
The central point that needle point (11) is directed to annular is in rounding state, forms clamp structure.
2. a kind of release device of closing clamp according to claim 1, which is characterized in that the inner sleeve (6) and housing
It is that transparent material is made between cylinder (7).
3. a kind of release device of closing clamp according to claim 1, which is characterized in that outer sleeve (7) is equipped with can
The pushing part that the closing clamp (8) for pushing warpage cylindrical in shape moves forward.
4. a kind of release device of closing clamp according to claim 1, which is characterized in that the inner sleeve (6) is set in
On endoscope head end (9).
5. a kind of release device of closing clamp according to claim 1, which is characterized in that the closing clamp, including at least
Three occlusion needle pawls being centrosymmetric, the occlusion needle pawl include needle point (11), needle body (13) and tail portion (14), and adjacent two
The tail portion (14) of a occlusion needle pawl is connected by one section of arc spring (15), and each section of arc spring (15) head and the tail connection forms annular, from
When by state, the needle point (11) of each occlusion needle pawl is directed to the central point of the annular, but the needle point (11) of each occlusion needle pawl
It does not contact.
6. a kind of release device of closing clamp according to claim 5, which is characterized in that the both sides of the needle body (13) are convex
Go out to be provided with flat gear (12).
7. a kind of release device of closing clamp according to claim 5, which is characterized in that the arc spring (15) is in circular arc
Shape.
8. a kind of release device of closing clamp according to claim 5, which is characterized in that the arc spring (15) is to annular
Central side is recessed.
9. a kind of release device of closing clamp according to claim 5, which is characterized in that during the closing clamp is in including six
The heart is symmetrically engaged needle pawl and six sections of arc springs (15).
10. a kind of release device of closing clamp according to claim 5, which is characterized in that the occlusion needle pawl and arc
Spring (15) is by the integrally manufactured molding of sheet memory metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797937.5U CN207755322U (en) | 2017-07-04 | 2017-07-04 | A kind of release device of closing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797937.5U CN207755322U (en) | 2017-07-04 | 2017-07-04 | A kind of release device of closing clamp |
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| Publication Number | Publication Date |
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| CN207755322U true CN207755322U (en) | 2018-08-24 |
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ID=63178398
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720797937.5U Active CN207755322U (en) | 2017-07-04 | 2017-07-04 | A kind of release device of closing clamp |
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| CN (1) | CN207755322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137119A (en) * | 2017-07-04 | 2017-09-08 | 安瑞医疗器械(杭州)有限公司 | A kind of closing clamp and its method for releasing |
-
2017
- 2017-07-04 CN CN201720797937.5U patent/CN207755322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137119A (en) * | 2017-07-04 | 2017-09-08 | 安瑞医疗器械(杭州)有限公司 | A kind of closing clamp and its method for releasing |
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