CN203074788U - Linear type stitching and cutting machine - Google Patents
Linear type stitching and cutting machine Download PDFInfo
- Publication number
- CN203074788U CN203074788U CN 201220750820 CN201220750820U CN203074788U CN 203074788 U CN203074788 U CN 203074788U CN 201220750820 CN201220750820 CN 201220750820 CN 201220750820 U CN201220750820 U CN 201220750820U CN 203074788 U CN203074788 U CN 203074788U
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- China
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- nail bin
- linear type
- push broach
- safety block
- nail
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Abstract
The utility model discloses a linear type stitching and cutting machine which comprises a body, a nail bin frame, a nail anvil, a nail bin, a triggering block, a push broach rod and a safety block. The nail bin frame, the nail anvil and the nail bin are arranged at the far end of the body. The triggering block is used for pushing a nail-pushing piece and is arranged in a slide groove of the nail bin. The push broach rod pushes the triggering block to move. The safety block is arranged on the nail bin frame and used for preventing secondary triggering. The safety block has a linear motion track, and the motion direction of the safety block is perpendicular to the motion direction of the push broach rod. The safety block is arranged at the far end of the push broach rod and the far end of a cutter. When the linear type stitching and cutting machine is in the initial state and in the state after the triggering is finished, the linear type stitching and cutting machine restrains the push broach rod and the cutter to move from the near end to the far end of the linear type stitching and cutting machine. The linear type stitching and cutting machine has the advantages of effectively preventing a doctor from carrying out the next surgery on the condition that the doctor does not replace the nail bin which is triggered, avoiding the happening of medical accidents, and being simple and effective in structure.
Description
Technical field
This utility model relates to a kind of surgery instrument, and especially a kind of linear type seaming and cutting device with anti-secondary firing lock belongs to technical field of medical instruments.
Background technology
Surgical operation is widely used in wound suture, interior tissue stitching and cutting with linear type seaming and cutting device.The surgical operation development has more and more been tended to Minimally Invasive Surgery so far.Broad sense, the operation that can reduce wound all is called Minimally Invasive Surgery, narrow sense, Minimally Invasive Surgery is meant the operation of carrying out under endoscope.The operation of carrying out under the endoscope is general only need open several apertures on patient's health, excision, suture tissue and auxiliary apparatus are stretched in the patient body undergo surgery from aperture.Minimally Invasive Surgery is little to the wound that patient brings, and patient can recover in a short period of time, so Minimally Invasive Surgery more and more is subject to people's attention.
U.S. Pat 7753246 has disclosed a kind of linear type seaming and cutting device that is used for Minimally Invasive Surgery, comprise an instrument body, described instrument body comprises that a housing and a pivot be located at the percussion handle on the housing, be provided with a relatively-movable percussion push rod in this housing, described percussion push rod can promote to be positioned at the nail-head component of housing front end and sew up and excise.Concrete, described nail-head component comprises a nail bin frame, and one with the pivotally connected nail anvil of nail bin frame.Removably be provided with nail bin on the described nail bin frame, nail bin be provided be provided with in one group pushing slice of nail, anastomosis staple put the nail hole, be generally 4 row or 6 row put the nail hole.Described nail anvil is being provided with the nail forming tank with described putting on the relative position, nail hole.Described nail-head component also comprises a push broach bar in the adapter that is arranged on nail-head component movably, and the far-end of described push broach bar is fixed an I-shaped cutter, described I-shaped cutter in progressive process with nail bin and nail anvil closure.The distal center of described I-shaped cutter is provided with blade, and the tissue that I-shaped cutter this blade in progressive process will be positioned between nail bin and nail anvil cuts off.The blade both sides of described I-shaped cutter are provided with wedge, and described I-shaped cutter is in progressive process, and the I-shaped cutter drives wedge pushing slice of nail is pushed out of outside the nail bin successively, so pushing slice of nail that anastomosis staple is pushed out of nail bin is outer and order and be combined in tissue.In the prior art, the doctor at first needs apparatus is resetted after finishing above-mentioned seaming and cutting action, changes nail bin then, so that the seaming and cutting device carries out seaming and cutting operation next time.
But because some careless doctors or the doctor that lacks experience can carry out operation next time under the situation of not changing the nail bin of having pulled the trigger, can cause the generation of malpractice like this, promptly carry out excision and but do not sewed up.In order to prevent the generation of this type of accident, prior art has proposed the theory of anti-secondary percussion, is not promptly changing under the situation of the nail bin of having pulled the trigger, and the percussion handle can not be pressed.Like this, fundamentally prevented the malpractice that produces owing to doctor's maloperation.
U.S. Pat 5485947 has disclosed two kinds of anti-secondary firing locks.In first kind of mechanism, nail bin is provided with a chute, is provided with a flexure strip in this chute slidably.During original state, it is outer and with the push broach bar jack-up that makes progress that this flexure strip stretches out in described chute, and this moment is positioned at the breach of push broach bar near-end and the projection on the nail bin is separated from each other, and guarantees that described push broach bar can be pushed.When the push broach bar when far-end moves, described push broach bar is pushed into flexure strip in the described chute, the height of this push broach bar descends.After described push broach bar was resetted, described projection just was stuck in the breach of push broach bar, and described push broach bar can't be moved once more, had played the effect of anti-secondary percussion.The principle of second kind of mechanism and first kind of mechanism are similar, and a pivot member is replaced flexure strip.During original state, pivot member is lifted the push broach bar, makes breach on the push broach bar avoid projection on the nail bin.After described push broach bar was resetted, the pivot member upset descended the height of push broach bar, and described projection just is stuck in the breach of push broach bar, and described push broach bar can't be moved once more, has played the effect of anti-secondary percussion.
In the prior art,, cause linear type seaming and cutting device to be produced and the assembling difficulty because the parts that relate to are very little, and all are assemblied in the nail bin.
The utility model content
The purpose of this utility model: propose a kind of linear type seaming and cutting device with anti-secondary firing lock of simple structure.
The purpose of this utility model will be achieved by the following technical programs:
A kind of linear type seaming and cutting device comprises: a body; One is arranged at the nail bin frame of described body distal end; Removably be provided with nail bin on the described nail bin frame, described nail bin be provided be provided with pushing slice of nail, anastomosis staple in several put the nail hole, the percussion piece that is used to promote described pushing slice of nail is arranged in the chute of described nail bin; One with the pivotally connected nail anvil of described nail bin frame; One is used to connect the adapter of described body and nail bin frame, is provided with a push broach bar in the described adapter movably and places the cutting knife of described push broach bar far-end, and described push broach bar promotes described percussion piece and moves; Described nail bin frame is provided with a safety block that is used for anti-secondary percussion, and described safety block has a straight line movement locus, and it is changed between the original state of described linear type seaming and cutting device and duty; The direction of motion of the straight-line trajectory of described safety block is vertical with the direction of motion of described push broach bar; Described safety block is located at the far-end of described push broach bar and cutting knife, during state after described linear type seaming and cutting device is in original state and percussion and finishes, limits described push broach bar and cutting knife near-end the moving to far-end by linear type seaming and cutting device.
Preferably, be installed with the Insurance Block of a hollow on the described nail bin frame, described safety block is arranged in the described Insurance Block movably, during state after apparatus is in original state and percussion and finishes, the end face of described safety block protrudes in the end face of described Insurance Block, and described end face is positioned on the motion track of described push broach bar.
Preferably, the inside of described Insurance Block also is provided with a spring, and described spring applies one all the time described safety block is pushed out of the outer power of Insurance Block on described safety block.
Preferably, when described linear type seaming and cutting device was in running order, described safety block was pulled the trigger the compresses of piece, made the end face of described safety block leave the motion track of push broach bar.
Preferably, the end face of described safety block has a slope.
The beneficial effects of the utility model are mainly reflected in: prevent that effectively the doctor from carrying out operation next time under the situation of not changing the nail bin of having pulled the trigger, avoid the generation of malpractice, and simple in structure effective.
Description of drawings
Front view when Fig. 1 is this utility model preferred embodiment original state.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is along the cutaway view Amplified image of C-C among Fig. 1.
Fig. 4 is the schematic perspective view that is located at the nail bin frame in the adapter of this utility model preferred embodiment.
Fig. 5 is the front view of this utility model preferred embodiment in working order the time.
Fig. 6 is along the cutaway view of B-B among Fig. 5.
Fig. 7 is along the cutaway view Amplified image of D-D among Fig. 5.
Wherein: 1, nail bin frame; 2, nail anvil; 3, nail bin; 4, take over; 5, percussion piece; 51, side; 6, push broach bar; 7, cutting knife; 8, safety block; 81, end face; 9, Insurance Block; 90, spring; 91, end face.
The specific embodiment
This utility model has disclosed a kind of linear type seaming and cutting device that is used for Minimally Invasive Surgery, and is consistent with prior art as shown in Figures 1 to 4, comprising: a housing is positioned at the adapter 4 of housing far-end.The far-end of described adapter 4 is a nail-head component, comprising: a nail bin frame 1 and one and the pivotally connected nail anvil 2 of described nail bin frame 1.Removably be provided with nail bin 3 on the described nail bin frame 1, described nail bin 3 be provided be provided with in one group pushing slice of nail, anastomosis staple put the nail hole; The percussion piece 5 that is used to promote described pushing slice of nail is arranged in the chute of described nail bin 3.
Be provided with a push broach bar 6 in the described adapter 4 movably; The far-end of described push broach bar 6 is fixed a cutting knife 7, has projection on the described cutting knife 7, is I shape, described I shape cutting knife 7 in progressive process earlier the compressing tissue make the expansible attenuation and evenly organized, thereby further with nail bin 3 and nail anvil 2 closures; The distal center of described I shape cutting knife 7 is provided with blade, described push broach bar 6 promotes the tissue that cutting knifes 7 this blade in progressive process will be positioned at 2 of nail bin 3 and nail anvils and cuts off, and described push broach bar 6 promotes described percussion piece 5 pushing slice of nail is pushed out of outside the nail bin 3 successively in progressive process, so pushing slice of nail that anastomosis staple is pushed out of nail bin 3 is outer and order and be combined in tissue.
Characteristics of the present utility model are: described nail bin frame 1 is provided with one and is used for the safety block 8 that anti-secondary is pulled the trigger.Described safety block 8 is located at the far-end of described push broach bar 6 and cutting knife 7, during state after described linear type seaming and cutting device is in original state and percussion and finishes, limits described push broach bar 6 and cutting knife 7 near-end the moving to far-end by linear type seaming and cutting device.
Specifically, be installed with the Insurance Block 9 of a hollow on the described nail bin frame 1, described safety block 8 is arranged on the inside of described Insurance Block 9 movably, the inside of described Insurance Block 9 also is provided with a spring 90, and described spring 90 applies one all the time described safety block 8 is pushed out of the outer power of Insurance Block 9 on described safety block 8.Like this, described safety block 8 promptly has a straight line movement locus, and it is changed between the original state of described linear type seaming and cutting device and duty; The direction of motion of the straight-line trajectory of described safety block 8 is vertical with the direction of motion of described push broach bar 6.
To shown in Figure 4, when described linear type seaming and cutting device was in original state, the end face 81 of described safety block 8 protruded in the end face 91 of described Insurance Block 9, and the end face 81 of described safety block 8 is positioned on the motion track of described push broach bar 6 in conjunction with Fig. 1.Because described safety block 8 is located at the far-end of described push broach bar 6 and cutting knife 7, so described safety block 8 described push broach bars 6 of restriction and cutting knife 7 are by near-end the moving to far-end of linear type seaming and cutting device.At this moment, described safety block 8 plays the effect of an insurance.
Extremely shown in Figure 7 as Fig. 5, when described linear type seaming and cutting device is in running order, nail bin 3 is installed in nail bin frame 1, be positioned at the end face 81 of the described safety block 8 of side 51 compressing of the percussion piece 5 of nail bin 3, make the end face 81 of described safety block 8 roughly concordant with the end face 91 of described Insurance Block 9 and leave the motion track of described push broach bar 6.At this moment, no any obstacle on the mobile alignment of described push broach bar 6, described push broach bar 6 and cutting knife 7 are promptly moved by near-end to the far-end of linear type seaming and cutting device, and then sew up and excise.The end face 81 of described safety block 8 has a slope, and the side 51 of percussion piece 5 is connected with the end face 81 of described safety block 8 better.
After the apparatus percussion finishes, described push broach bar 6 and cutting knife 7 by the far-end of linear type seaming and cutting device when near-end moves forward into horizontal reset, percussion piece 5 rests on the far-end of described linear type seaming and cutting device, like this, the end face 81 of described safety block 8 protrudes under the effect of spring 90 again outside the end face 91 of described Insurance Block 9 again, and the end face 81 of described safety block 8 is positioned on the motion track of described push broach bar 6.And then limit described push broach bar 6 and cutting knife 7 near-end moving to far-end by linear type seaming and cutting device.Have only the nail bin that more renews, ability arming effect has so just reached the purpose that anti-secondary is pulled the trigger.
The speech of described expression position and direction in this utility model, all be with the exercises on apparatus author as reference, close operator's a end is a near-end, is far-end away from operator's a end.
This utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within the protection domain of the present utility model.
Claims (5)
1. linear type seaming and cutting device comprises:
One body;
One is arranged at the nail bin frame (1) of described body distal end; Removably be provided with nail bin (3) on the described nail bin frame (1), described nail bin (3) be provided be provided with pushing slice of nail, anastomosis staple in several put the nail hole, the percussion piece (5) that is used to promote described pushing slice of nail is arranged in the chute of described nail bin (3);
One with the pivotally connected nail anvil (2) of described nail bin frame (1);
One is used to connect the adapter (4) of described body and nail bin frame, is provided with a push broach bar (6) in the described adapter (4) movably and places the cutting knife (7) of described push broach bar (6) far-end, and described push broach bar (6) promotes described percussion piece (5) and moves;
It is characterized in that: described nail bin frame (1) is provided with one and is used for the safety block (8) that anti-secondary is pulled the trigger,
Described safety block (8) has a straight line movement locus, and it is changed between the original state of described linear type seaming and cutting device and duty;
The direction of motion of the straight-line trajectory of described safety block (8) is vertical with the direction of motion of described push broach bar (6);
Described safety block (8) is located at the far-end of described push broach bar (6) and cutting knife (7), during state after described linear type seaming and cutting device is in original state and percussion and finishes, limit described push broach bar (6) and cutting knife (7) near-end moving to far-end by linear type seaming and cutting device.
2. linear type seaming and cutting device according to claim 1, it is characterized in that: the Insurance Block (9) that is installed with a hollow on the described nail bin frame (1), described safety block (8) is arranged in the described Insurance Block (9) movably, during state after described linear type seaming and cutting device is in original state and percussion and finishes, the end face (81) of described safety block (8) protrudes in the end face (91) of described Insurance Block (9), and described end face (81) is positioned on the motion track of described push broach bar (6).
3. linear type seaming and cutting device according to claim 2, it is characterized in that: the inside of described Insurance Block (9) also is provided with a spring (90), and described spring (90) applies one all the time described safety block (8) is pushed out of the outer power of Insurance Block (9) on described safety block (8).
4. linear type seaming and cutting device according to claim 3, it is characterized in that: when described linear type seaming and cutting device is in running order, described safety block (8) is pulled the trigger side (51) compressing of piece (5), makes the end face (81) of described safety block (8) leave the motion track of push broach bar (6).
5. linear type seaming and cutting device according to claim 4 is characterized in that: the end face (81) of described safety block (8) has a slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750820 CN203074788U (en) | 2012-12-18 | 2012-12-18 | Linear type stitching and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750820 CN203074788U (en) | 2012-12-18 | 2012-12-18 | Linear type stitching and cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203074788U true CN203074788U (en) | 2013-07-24 |
Family
ID=48820677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750820 Withdrawn - After Issue CN203074788U (en) | 2012-12-18 | 2012-12-18 | Linear type stitching and cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203074788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860225A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and excising device |
-
2012
- 2012-12-18 CN CN 201220750820 patent/CN203074788U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860225A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and excising device |
| CN103860225B (en) * | 2012-12-18 | 2016-03-09 | 苏州天臣国际医疗科技有限公司 | Linear seam cutting 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: 20130724 Effective date of abandoning: 20160309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |