CN106691529B - A kind of surgery suturing appliance with the safety device that automatically resets - Google Patents
A kind of surgery suturing appliance with the safety device that automatically resets Download PDFInfo
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- CN106691529B CN106691529B CN201510439707.7A CN201510439707A CN106691529B CN 106691529 B CN106691529 B CN 106691529B CN 201510439707 A CN201510439707 A CN 201510439707A CN 106691529 B CN106691529 B CN 106691529B
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- safety block
- pedestal
- surgery suturing
- safety
- shell
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Abstract
The invention discloses a kind of surgery suturing appliances with the safety device that automatically resets, including shell, firing handle relative to shell rotation, it is located at the pedestal containing inner cavity in shell, by the safety block of first rotating shaft and the rotation connection of shell axis, the safety block is provided with first end, the second end and reset terminal；And the limiting component positioned at pedestal inner cavity；Firing handle is equipped with protrusion, and the first end is contacted with limiting component；When safety block is rotated in shell inner shaft, when the first end is connected in the first restraining position formed between the limiting component and the pedestal, the protrusion and the second end are abutted against；When the first end is connected in the second restraining position formed between the limiting component and the pedestal, the protrusion and the second end are detached from, and are abutted with reset terminal.It can automatically reset after the completion of instrument percussion provided by the invention, while compact structure, security performance is high, also has clearly voice prompt function.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of surgical stapling with the safety device that automatically resets
Instrument.
Background technique
In surgical operation, surgery suturing appliance has become essential Medical treatment device in tissue anastomosis procedures
Tool, with the development and research and development of products of medicine, more and more multi-functional surgery suturing appliance products application is in clinic, the scope of application
The every field such as gastrointestinal surgery, liver and gall surgical department, thoracic surgery, Urology Surgery, gynaecology are had been directed to, the essential hand of doctor is become
One of art tool.The application of surgery suturing appliance has hand intraoperative hemorrhage is less, operating time is shorter, can reduce manual operations to miss
Difference, postoperative function restore many advantages, such as fast.
Surgery suturing appliance in the prior art, by taking tube type anastomat as an example, including outer insurance, straight push rod, firing handle,
Safety pin shaft is provided on shell, outer insurance is rotatably installed in safety pin shaft, the sliding end and firing handle of outer insurance
Guard terminal abut, when using stapler, rotate the rotating handle of stapler, after stapler to suitable closed-gap, revolve
Outer insurance is turned on, abuts against insurance no longer with the guard terminal of firing handle, firing handle can be move freely, to carry out down
Single stepping.
But the design of this stapler, safety device, may be because insuring not just in the location fuzzy of opening and closing
True position and cause insurance function to fail, and then the problem of make instrument cause mistakenly hit to send out before use, and safety device is most
It is to open and close manually, after the completion of operation, operator may cause cutter to stretch because forgetting accidentally to touch firing handle due to closing insurance
Instrument accidentally injures operator out.
Summary of the invention
The present invention provides a kind of surgery suturing appliances with the safety device that automatically resets, to solve existing surgery seam
The safety device of clutch tool opening and closing location fuzzy, and due to manual operation, make instrument after the completion of operation, protect
Dangerous device can not automatically reset, and cause the technical issues of accidentally injuring operator because of the maloperation of instrument.
In order to solve the above-mentioned technical problems, the present invention provides a kind of surgical stapling devices with the safety device that automatically resets
Tool, including shell, the firing handle relative to shell rotation, further includes: be located at the intracorporal pedestal of the shell, the pedestal
Equipped with inner cavity；Safety block, the safety block are rotatablely connected by first rotating shaft and the shell axis, and the safety block is provided with the
One end, the second end and reset terminal；And the limiting component positioned at the pedestal inner cavity；
The firing handle is equipped with protrusion, and the first end of the safety block is contacted with the limiting component；When
The safety block is rotated in the shell inner shaft, and the first end is connected between the limiting component and the pedestal and is formed
The first restraining position when, it is described protrusion and the second end abut against；When the first end is connected in the limiting section
When the second restraining position formed between part and the pedestal, it is described protrusion and the second end be detached from, and with the reset
End abuts.
Preferably, the second end of the safety block is equipped with spacing block set, and the spacing block set and the protrusion are accessible
Connection.
Preferably, the spacing block set is two, is separately positioned on the two sides of the second end.
Preferably, the second end of the safety block is equipped with mounting hole, is equipped with push rod in the mounting hole, described
Push rod passes through the mounting hole and and the raised accessible connection.
For instrument in closing course, the protrusion is detached from the second end, offsets with the reset terminal, and then push institute
It states reset terminal to rotate clockwise around first rotating shaft, makes the insurance block reset.
Preferably, the end face of the reset terminal is globoidal structure.
Preferably, the spacing block set or the push rod have first surface, and the first surface is curved surface, the protrusion
With the second surface to match with the first surface.
Preferably, the shape of the cross section of the spacing block set or the push rod is circle.
It is highly preferred that the shape of the cross section of the spacing block set or push rod is polygon, preferably quadrangle.
Preferably, the end face of the first end of the safety block is globoidal structure or lozenges.
Preferably, arc groove is provided on the shell, the spacing block set or push rod pass through the arc groove, and with institute
Stating first rotating shaft is axis, is rotated along the arc groove.
Preferably, the limiting component includes: ball, is contacted with the first end of the safety block；Spring is located at
Between the ball and the pedestal；
Wherein, when the safety block turns to the first restraining position with the first rotating shaft, the ball first compresses institute
Spring is stated, by the spring reset, the first part of the ball and the pedestal forms described the to the safety block
The clamping of one end；When the safety block turns to the second restraining position with the first rotating shaft, the ball and the base
The second part of seat forms the clamping to the first end of the safety block.
Preferably, the shell includes left and right shell two parts, is provided with the arc groove on the left and right shell,
The arc groove that the convex block or push rod are each passed through on the left and right shell extends to the hull outside, and outside shell it is left,
Right two sides are installed by push button respectively.
Preferably, above-mentioned surgery suturing appliance is tube type anastomat.
Preferably, above-mentioned surgery suturing appliance is anastomat for circumcision.
Before opening insurance, the second end of the safety block resists firing handle；The first end is connected in the limit
The first position formed between position component and the pedestal, the reset terminal and the second end position are fixed, and have certain folder
Angle；Spacing block set or push rod are pushed manually.In opening reinsurance process, the safety block is turned counterclockwise around first rotating shaft
It is dynamic, limiting component is compressed, to overcome the limit of limiting component, the second opened to insurance is rotated by initial first position
It sets, the first end is rotated counterclockwise by axis of first rotating shaft, and due to the recovery elastic force of limiting component itself, described
First end is connected in the second position formed between the limiting component and the pedestal, and the reset terminal rotates with, institute
State the second end and be detached from firing handle so that firing handle can be fired, firing handle in rotary course with the reset
End abuts against.When further firing, the firing handle pushes the reset terminal to rotate clockwise, the first end compression limit
Position component and the limit for overcoming limiting component, are rotated clockwise, at this point, the safety block and firing handle are in contact.It hits
After the completion of hair, firing handle is discharged, firing handle rotates clockwise under the action of its reduction torsion spring and returns to initial position, this
When, the second end turns to the protrusion being arranged in firing handle top and firing handle and abuts against, and the safety block is by protecting
The second position nearly opened is rotated back to initial first position, and firing handle is lockable.
Surgical operating instrument provided by the invention, due to being provided with above-mentioned safety device inside instrument, safety device is protected
Dangerous significant effect, and can be realized it is much smoother automatically reset, while movement is directed toward clear in operation, while structure is small
Ingeniously, stability is good, also has clearly voice prompt function.
Detailed description of the invention
Fig. 1 is tube type anastomat structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the partial enlargement structural representation of Fig. 1；
Fig. 3 is safety block structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 provides the safety block structure signal for being provided with that cross section is polygon spacing block set for the embodiment of the present invention
Figure；
Fig. 5 is the safety block structure schematic diagram provided in an embodiment of the present invention for being equipped with push rod；
Fig. 6 is the safety block of the second surface provided in an embodiment of the present invention for having and matching with firing handle first surface
Structural schematic diagram；
Fig. 7 is the firing handle schematic diagram of tube type anastomat provided in an embodiment of the present invention；
Diagrammatic cross-section when Fig. 8 is the safety device original state of tube type anastomat provided in an embodiment of the present invention；
Fig. 9 is the partial enlargement structural representation of Fig. 8；
Figure 10 is the section signal of the safety device of tube type anastomat provided in an embodiment of the present invention in the open state
Figure
Figure 11 is the partial enlargement structural representation of Figure 10.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, with reference to the accompanying drawing
The invention will be further described with specific embodiment, but illustrated embodiment is not as a limitation of the invention.
The present invention provides a kind of surgery suturing appliances with the safety device that automatically resets, refering to fig. 1 shown in -11, institute
Stating surgery suturing appliance includes shell 1；Firing handle 2 relative to the shell 1 rotation；The pedestal being located in the shell 1
11, the pedestal 11 is equipped with inner cavity 12；Safety block 3, the safety block 3 are connected by first rotating shaft 34 and 1 axis of shell rotation
It connects, the safety block 3 is provided with first end 31, the second end 32 and reset terminal 33；And positioned at the pedestal inner cavity 12
Limiting component 4；The firing handle 2 is equipped with protrusion 21,22, the first end 31 of the safety block 3 and the limit
Component 4 contacts；When the safety block 3 is rotated in 1 inner shaft of shell, the first end 31 is connected in the limiting component 4
When the first restraining position formed between the pedestal 11, described raised 21,22 and the second end 32 are abutted against；Work as institute
When stating first end 31 and being connected in the second restraining position formed between the limiting component 4 and the pedestal 11, the protrusion
21,22 and the second end 32 be detached from, and abutted with the reset terminal 33.
Angle setting on above-mentioned safety block 3 between first end 31, the second end 32 and reset terminal 33, as long as can expire
Sufficient instrument is in the initial state, convex on the second end 32 and firing handle 2 when first end 31 is connected in the first restraining position
21,22 are played to abut against, firing handle can not be moved and be fired, and when safety block 3 can be manually rotated opening, the first end 31
When being connected in the second restraining position by compressing limiting component 4, the second end 32 mutually takes off with the protrusion 21,22 in firing handle 2
From, during further firing and completing percussion, protrusion 21,22 and reset terminal 33 contact being arranged in firing handle 2, and push
Reset terminal 33 rotates, and returns to initial position.
Preferably, refering to shown in Fig. 3-4,32 two sides of the second end of the safety block 3 are respectively equipped with spacing block set
35,36, the accessible connection of the protrusion 21,22 being arranged on the spacing block set 35,36 and the firing handle 2.
Preferably, refering to shown in Fig. 3-6, the safety block 3 is equipped with the round hole for installing first rotating shaft 34, described
First end 31, the second end 32 and reset terminal 33 are separately positioned on the position far from the round hole.The insurance
The second end 32 of block 3 is equipped with mounting hole, and push rod 37 is equipped in the mounting hole, and the push rod 37 passes through the installation
Hole, the accessible company of the protrusion 21,22 being arranged on the elongated end and the firing handle 2 of the second end two sides push rod 37
It connects, forms the limit having to the firing handle 2.For instrument in closing course, described raised 21,22 are detached from the second end
Portion 32 offsets with the reset terminal 33, and then the reset terminal 33 is pushed to rotate clockwise around first rotating shaft 34, makes the insurance
Block 3 resets.
Preferably, the push rod 37 and the safety block 3 are structure as a whole.
Preferably, the protrusion 21,22 being arranged in the firing handle 2 setting that can also be connected is structure as a whole.
Preferably, the end face of the reset terminal 33 is globoidal structure.
It is highly preferred that the spacing block set 35,36 or push rod 37 have first surface 38,39, the first surface 38,39
Have and second surface 23,24 that the first surface 38,39 matches for curved surface, described raised 21,22.
It is highly preferred that the shape of the cross section of the spacing block set 35,36 or push rod 37 is circle；
It is highly preferred that the shape of the cross section of the spacing block set 35,36 or push rod 37 is polygon；
It is highly preferred that the first end 31 of the safety block 3 is arranged to cambered surface or lozenges.
It is highly preferred that refering to shown in Fig. 8-11, when the safety block 3 is rotated in 1 inner shaft of shell, the first end
31 when being connected in the first restraining position formed between the limiting component 4 and the pedestal 11, described raised 21,22 respectively and
The spacing block set 35,36 or 37 two sides of push rod abut against；When the first end 31 be connected in the limiting component 4 with it is described
When the second restraining position formed between pedestal 11, described raised 21,22 and 37 two sides phase of the spacing block set 35,36 or push rod
It is detached from, safety device is opened.
The shape of above-mentioned spacing block set 35,36 or push rod 37 and the contact surface of protrusion 21,22 can be there are many form, they
As long as cooperation guarantee that safety block 3 and firing handle 2 are clamped instrument in the initial state, can not be moved and be fired, and work as
When safety block 3 rotates, spacing block set 35,36 or push rod 37 are detached from the protrusion 21,22 in firing handle 2 therewith, and firing handle 2 can
To be fired.
Preferably, arc groove 15 is provided on the shell 1, the spacing block set 35,36 or push rod 37 pass through the arc
Shape slot 15, and be axis with the first rotating shaft 34, it is rotated along the arc groove 15.
Preferably, the limiting component 4 includes ball 41 and spring 42, the first end of the ball 41 and safety block 3
31 contact, in the cavity 12 that the spring 42 is formed between the ball 41 and the pedestal 11；When the safety block 3 with
When the first rotating shaft 34 turns to the first restraining position, the ball 41 first compresses the spring 42, by the spring 42
It resets, the first part 13 of the ball 41 and the pedestal 11 forms the card to the first end 31 of the safety block 3
It connects, so that safety block 3 rests on the first restraining position；When the safety block 3 turns to the second limit with the first rotating shaft 34
When position, the second part 14 of the ball 41 and the interior pedestal 11 forms the first end 31 to the safety block 3
Clamping so that safety block 3 rests on the first restraining position.
Preferably, the insurance fast 3 is equipped with torsional spring mounting hole, for installing a torsional spring, one end insertion of the torsional spring
Fixed in the torsional spring mounting hole, the other end is abutted on the limited step being arranged inside housings, and the setting of torsional spring can make
Safety block 3 more smoothly returns to initial position, avoids causing to reset because of the clamping stagnation of limiting component 4 failing.
Preferably, the surgery suturing appliance is tube type anastomat.
Preferably, the surgery suturing appliance is anastomat for circumcision.
Since the limiting component 4 that the safety block 3 provides through the invention carries out initial position and insures open position
It stops and switches, the movement of safety device for anastomat is clear, and movement is directed toward clear in operating process, and safety effect is significant, safety
Performance is high, is provided simultaneously with superior feel and clearly voice prompt function.
The safety device of stapler provided by the invention, by taking push rod 37 is arranged in 3 the second end of safety block as an example, in initial shape
When state, the protrusion 21,22 phases that are arranged in 37 both side ends of push rod and firing handle 2 that are arranged on the second end 32 of safety block 3
It contacts and is clamped, safety device is in close state, specifically, please referring to shown in Fig. 8-11, described raised 21,22 the second table
Face 23,24 is curved surface slot, the first surface 38,39 that the push rod 37 has and curved surface groove shape matches.Described in pushing
The push rod 37 of safety block 3, or the push button with the push rod 37 connection is pushed, the safety block 3 is shaft with first rotating shaft 34
It is rotated counterclockwise, compression limiting component 4 is rotated by initial first position to guarantor to overcome the limit of limiting component 4
The second position nearly opened, so that being arranged in the push rod 37 of the second end 32 of the safety block 3 and the firing handle 2 convex
It plays 21,22 to be separated, safety device is opened, and firing handle 2 can rotate counterclockwise around own torque, is fired.
When further firing, the protrusion 21,22 of the firing handle 2 in 2 rotary course of firing handle with the reset
End 33 abuts against, and the firing handle 2 pushes the reset terminal 33 to rotate clockwise, and the first end 31 compresses limiting component
4 and overcome the limit of limiting component 4, is rotated clockwise, at this point, the safety block 3 and firing handle 2 are in contact.
After the completion of percussion, firing handle 2 is discharged, firing handle 2 is rotated clockwise under the action of its reduction torsion spring and returned to
Initial position.At this point, the second end 32 turns to the protrusion 21,22 being arranged in 2 top of firing handle and firing handle 2
It abuts against, the safety block is rotated back to initial first position by the second position that insurance is opened, and firing handle 2 is lockable.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of surgery suturing appliance with the safety device that automatically resets, including shell (1) are revolved relative to the shell (1)
The firing handle (2) turned, which is characterized in that further include:
The pedestal (11) being located in the shell (1), the pedestal (11) are equipped with inner cavity (12)；
Safety block (3), the safety block (3) are rotatablely connected by first rotating shaft (34) and the shell (1) axis, the safety block
(3) first end (31), the second end (32) and reset terminal (33) are provided with；
And it is located at the limiting component (4) of the pedestal inner cavity (12)；
The firing handle (2) is equipped with raised (21,22), the first end (31) of the safety block (3) and the limit
Position component (4) contacts；When the safety block (3) is rotated in the shell (1) inner shaft, the first end (31) is connected in described
When the first restraining position formed between limiting component (4) and the pedestal (11), the protrusion (21,22) and the second end
Portion (32) abuts against；It is formed between the limiting component (4) and the pedestal (11) when the first end (31) is connected in
When the second restraining position, the protrusion (21,22) and the second end (32) are detached from, and are abutted with the reset terminal (33)；
Instrument is in closing course, and the protrusion (21,22) is detached from the second end (32), with the reset terminal (33) phase
It supports, and then the reset terminal (33) is pushed to rotate clockwise around first rotating shaft (34), reset the safety block (3).
2. surgery suturing appliance according to claim 1, which is characterized in that the second end of the safety block (3)
(32) two sides are respectively equipped with spacing block set (35,36), and the spacing block set (35,36) and described raised (21,22) are accessible
Connection.
3. surgery suturing appliance according to claim 1, which is characterized in that the second end of the safety block (3)
(32) it is equipped with mounting hole, is equipped with push rod (37) in the mounting hole, the push rod (37) passes through the mounting hole and and described
Raised (21,22) accessible connection.
4. surgery suturing appliance according to claim 1, which is characterized in that the end face of the reset terminal (33) is cambered surface knot
Structure.
5. surgery suturing appliance according to claim 3, which is characterized in that the spacing block set (35,36) described pushes away
Bar (37) have first surface (38,39), the first surface (38,39) be curved surface, it is described protrusion (21,22) have and it is described
The second surface (23,24) that first surface (38,39) matches.
6. surgery suturing appliance according to claim 3, which is characterized in that the spacing block set (35,36) described pushes away
The shape of the cross section of bar (37) is round or polygon.
7. surgery suturing appliance according to claim 1, which is characterized in that the first end of the safety block (3)
(31) end face is globoidal structure or lozenges.
8. surgery suturing appliance according to claim 1, which is characterized in that the limiting component (4) includes: ball
(41), it is contacted with the first end (31) of the safety block (3)；Spring (42) is located at the ball (41) and the base
Between seat (11)；
Wherein, when the safety block (3) turns to the first restraining position with the first rotating shaft (34), the ball (41) is first
The spring (42) are compressed, are resetted by the spring (42), the first part of the ball (41) and the pedestal (11)
(13) clamping to the first end (31) of the safety block (3) is formed；When the safety block (3) is with the first rotating shaft
(34) when turning to the second restraining position, the second part (14) of the ball (41) and the pedestal (11) is formed to the guarantor
The clamping of the first end (31) of dangerous block (3).
9. -8 any surgery suturing appliance according to claim 1, which is characterized in that the surgery suturing appliance is cast
Stapler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439707.7A CN106691529B (en) | 2015-07-24 | 2015-07-24 | A kind of surgery suturing appliance with the safety device that automatically resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439707.7A CN106691529B (en) | 2015-07-24 | 2015-07-24 | A kind of surgery suturing appliance with the safety device that automatically resets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106691529A CN106691529A (en) | 2017-05-24 |
| CN106691529B true CN106691529B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510439707.7A Active CN106691529B (en) | 2015-07-24 | 2015-07-24 | A kind of surgery suturing appliance with the safety device that automatically resets |
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| Country | Link |
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| CN (1) | CN106691529B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928732B (en) * | 2017-12-05 | 2019-12-13 | 宁波维尔凯迪医疗器械有限公司 | Safety mechanism and anastomat with same |
| CN109984796B (en) * | 2017-12-29 | 2023-09-08 | 天臣国际医疗科技股份有限公司 | Firing equipment |
| WO2020134060A1 (en) * | 2018-12-26 | 2020-07-02 | 杭州德晋医疗科技有限公司 | Locking device having locking feedback function, and cardiac valve repair system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868208Y (en) * | 2005-12-14 | 2007-02-14 | 苏州天臣国际医疗科技有限公司 | Tubular binding instrument having automatic safety unit |
| CN203970461U (en) * | 2014-03-31 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | A kind of surgical operating instrument safety and surgical operating instrument |
| CN104434255A (en) * | 2014-11-29 | 2015-03-25 | 天津万和医疗器械有限公司 | Medical treatment surgical operating instrument and automatic resetting method thereof |
| CN104398286B (en) * | 2014-12-03 | 2016-08-31 | 天津万和医疗器械有限公司 | Surgical clamp and insurance bindiny mechanism thereof |
| CN104739475B (en) * | 2015-03-16 | 2017-04-26 | 盈甲医疗器械制造（天津）有限公司 | Tube-type anastomat and safety device thereof |
| CN205041474U (en) * | 2015-07-24 | 2016-02-24 | 天津天耀金属制品有限公司 | Apparatus is sewed up to surgery with automatic re -setting safeties |
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2015
- 2015-07-24 CN CN201510439707.7A patent/CN106691529B/en active Active
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