CN205697886U - A kind of anastomat - Google Patents
A kind of anastomat Download PDFInfo
- Publication number
- CN205697886U CN205697886U CN201620132337.2U CN201620132337U CN205697886U CN 205697886 U CN205697886 U CN 205697886U CN 201620132337 U CN201620132337 U CN 201620132337U CN 205697886 U CN205697886 U CN 205697886U
- Authority
- CN
- China
- Prior art keywords
- ejector pin
- contraband
- matrix
- swivel becket
- staple
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model provides a kind of anastomat, and the anastomat that this utility model provides includes: continuous nail feeding machanism and load carrier；Described continuous nail feeding machanism includes: send nail cabin matrix, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, described Contraband staple is released by ejector pin ring, is bent into " B " shape after Contraband staple sequentially passes through substantial viscera train of dress position and hollow organ wall in the process at load positioning disk surface groove.The scheme provided by this utility model can realize substantial viscera and the docking of hollow organ and stitching.
Description
Technical field
This utility model relates to technical field of clinical medicine, particularly to a kind of anastomat.
Background technology
Peri-ampullar carcinoma refers to derive from the malignant tumor in Vater ampulla region, including: carcinoma of head of pancreas, carcinoma of ampulla, duodenum
Cancer and common bile duct far-end cancer.Operation is the Main Means for the treatment of peri-ampullar carcinoma.Pancreaticoduodenectomy
(pancreaticoduodenectomy PD) is the standard excision for the treatment of peri-ampullar carcinoma.The most popular is mark
The improvement operation of quasi-Whipple art, excision mode is: cut off duodenum at pyloric ring 3-4cm, away from Treize ligament 10cm
Place cuts off jejunum, cuts off bile duct at common hepatic duct, cuts off pancreas on portal vein, superior mesenteric vein upper left side.Gastral reconstruction
Remaining a need for making Cholangio-jejunostomy, Pancreatico-intestinal anastomosis stomach function regulating intestinal anastomosis, the doctor also having coincide with pancreas stomach and replaces Pancreatico-jejunum
It coincide.
Although operation skill and perioperative management level improve constantly, the mortality rate of PD is still up to 30%, in post-operative complication
It is most commonly that pancreas leakage (pancreatic fistula PF) is caused by pancreas intestinal anastomotic stoma poor healing, has recent research to show
The overall incidence of pancreas leakage is 30.6%, and more serious B level C level pancreas leakage reaches 17%.Pancreas leakage conductance causes intra-abdominal infection, and abdominal cavity goes out
Blood, multiple organ dysfunction syndrome, is one of dead major reason of patients undergoing.
The technology of doctor is required higher by manual suture Pancreatico-intestinal anastomosis mouth, operating field is fuzzy, tissue adhesion, hemorrhage,
Digestive system oozes out, operating time is long all can affect suture quality.But traditional circular stapler is only applicable to cavity-cavity
Internal organs, it is impossible to realize the docking between substantial viscera and hollow organ such as pancreas-intestinal (or pancreas-stomach).Pancreas is loose substantial viscera,
Suture comes off, and the situation of cutting tissue is the most relatively conventional, and these are all the potential causes that anastomotic fistula occurs.
Needing a kind of novel Pancreatico-intestinal anastomosis device clinically, can realize between substantial viscera and hollow organ is right
Connect, sew up closely, do not affect anastomotic stoma blood supply；Sewing up and highly can regulate, staple quality is pliable and tough, is susceptible to Digestive system corrosion,
And it is good with the tissue compatibility.
Utility model content
The problem that this utility model solves is to provide and a kind of can realize docking between substantial viscera and hollow organ, sews up
Technology；For solving described problem, this utility model provides a kind of anastomat.
The anastomat that this utility model provides includes continuous nail feeding machanism and load carrier；Described continuous nail feeding machanism includes: send nail cabin
Matrix, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, ejector pin ring is by described Contraband
Staple is released, and is bent at load positioning disk surface groove after sequentially passing through substantial viscera train of dress position and hollow organ wall
" B " shape..
Further, described swivel becket external circumferential surface has the driving cog of annular distribution, described external circumferential surface
Driving cog engages with the gear on handle by after secondary gear transmission, and handle can drive swivel becket to turn along the rotation of its central shaft
Dynamic.
Further, the form that described swivel becket lacks with helical teeth-helical teeth with ejector pin ring engages；Described Contraband staple is installed on and pushes away
Nail ring is away from the end face of swivel becket.
Further, nail cabin matrix is sent to include that double-layer coaxial hollow cylinder, described swivel becket are fixed on by step surface described in
Between double-layer coaxial hollow cylinder two-layer cylinder face, described ejector pin ring is fixed between two-layer cylinder face by spring；Substantial viscera is put
In hollow cylinder；Described double-layer coaxial hollow cylinder lower surface is the anchor ring having prolate shape through hole, the chi of described through hole
Very little mate with Contraband staple size；Gland is stamped in described double-layer coaxial hollow cylinder upper surface.
Further, described ejector pin ring has pin, described in send to have on nail cabin matrix and be parallel to axial longitudinal sliding-rail groove,
One end of described pin is positioned at described longitudinal sliding-rail groove.
Further, also include: one-stage gear, one-stage gear axle, afterburning handle, secondary gear, secondary gear wheel shaft, gripping hands
Handle；Described gripping handle is installed on and send outside the matrix of nail cabin, and described secondary gear is installed on gripping handle by secondary gear wheel shaft
Going up and pass through to send the through hole of nail cabin matrix to engage with swivel becket, described one-stage gear is by being installed on the one-stage gear axle in its heart portion
Engage with secondary gear after combining with afterburning handle and be installed on gripping handle.
Further, described load carrier includes load power matrix, load positioning disk, drive screw, adjusting rod, drain pan；Described
Load power matrix has slide block with sending the nail surface that cabin matrix is connected, send nail cabin matrix include slide rail chamber, described slide rail chamber have and
Sending the slide rail that nail cabin base end is parallel, described slide block matches with slide rail, and has the degree of freedom moved along slide rail.
Further, described load positioning disk is installed on described load power matrix, and has along load positioning disk axially-movable
Degree of freedom；There is on the surface that described load positioning disk is relative with sending nail cabin matrix the groove along annulus arrangement, described groove with
The prolate shape through hole of double-layer coaxial hollow cylinder lower surface matches；The bottom surface of described groove includes two cambered surfaces.
Further, described swivel becket side has cannelure circumferentially, has rolling body, described rolling in described cannelure
Body is stuck in described cannelure and send between the base inner surface of nail cabin.
Further, the surface that described ejector pin ring is connected with Contraband staple has prolate shape boss, and described prolate shape boss is with flat
Elongated through hole matches, and the groove matched with Contraband staple crossbeam portion, described Contraband staple crossbeam portion are arranged at described prolate shape boss top
It is installed on described groove.
Advantage of the present utility model includes: the technical scheme that this utility model provides includes continuous nail feeding machanism and load carrier；
Described continuous nail feeding machanism includes: send nail cabin matrix, swivel becket, ejector pin ring and Contraband staple；Ejector pin ring is driven when described swivel becket rotates
Lengthwise movement, described Contraband staple is pushed into load carrier surface by ejector pin ring；Substantial viscera is placed in swivel becket and the center of ejector pin ring,
Load carrier is placed in hollow organ；After substantial viscera and hollow organ laminating, Contraband staple moves downward through substantial viscera
Train of dress position and hollow organ wall are to load carrier surface, and stress bending realizes coincideing of substantial viscera and hollow organ.
Specifically: this anastomat inputs as power, as operator by reinforcing handle to holding using the rotation of afterburning handle
Holding handle orientations to rotate, power is driven to send nail by the gear being positioned at afterburning rotatable handle cental axial position in gear-driven mode
Swivel becket in the base cavity of cabin, for swivel becket after swivel becket coordinates grease with the rolling body sent between the matrix of nail cabin
Rotate the effect reducing resistance of arriving in, swivel becket be co-located at send the ejector pin ring end face in nail cabin base cavity to contact and with
Helical teeth-helical teeth lacks the form of (or helical teeth lack-helical teeth) and engages each other, and the power that swivel becket rotates lacks (or helical teeth by helical teeth-helical teeth
Lacking-helical teeth) power passes to ejector pin ring by contact inclined-plane, and ejector pin ring is positioned at and send the projection in nail cabin matrix sliding-rail groove to limit ejector pin
The rotation of ring, thus ejector pin ring only one of which longitudinal degress of feedom in sending nail cabin matrix, from helical teeth-helical teeth lack (or helical teeth lack-tiltedly
Tooth) inclined-plane reaches the power of ejector pin ring makes ejector pin hoop move away from the direction of swivel becket, and promote simultaneously and be positioned at the ejector pin ring side of movement
The Contraband staple of forward end moves, and two of Contraband staple stretch out branch and are each passed through in moving process and send the prolate shape of nail cabin matrix to lead to
Hole, behind the train of dress position, hollow organ wall of substantial viscera, touch load positioning disk, when Contraband staple continues to move along
Two are stretched out a top and are produced bending until in " B " font by the guide effect of pit bottom cambered surface on load positioning disk.Now
Pancreas train of dress position and intestinal, by being fixed together in the nail of " B " font, play the effect of coincideing.
Accompanying drawing explanation
Fig. 1～Fig. 3 is total figure of this Pancreatico-intestinal anastomosis device different visual angles
Fig. 4 is that the cut-away view of this Pancreatico-intestinal anastomosis device after nail cabin matrix and gripping handle lid is sent in blanking
Fig. 5 is the main body sectional view of this Pancreatico-intestinal anastomosis device
Fig. 6 is the top view of this Pancreatico-intestinal anastomosis device
Fig. 7 is the upper upward view of this Pancreatico-intestinal anastomosis device
Fig. 8 is the schematic diagram that Contraband staple is installed on ejector pin ring boss
Fig. 9 is the upward view that Contraband staple is filled in sending after the prolate shape through hole of nail cabin matrix
Figure 10 is load power matrix underpart upward view after blanking drain pan and adjusting rod
Detailed description of the invention
Hereinafter, in conjunction with the accompanying drawings and embodiments the technical solution of the utility model is further elaborated.
From background technology, existing anastomat can not realize coincideing of substantial viscera and hollow organ, and inventor studies
Think reason be existing anastomat continuous nail feeding machanism be solid construction, do not place the space of substantial viscera.Inventor is through entering one
Step research, provides in embodiment of the present utility model and is applicable to pancreas (substantial viscera) and identical the coincideing of intestinal (hollow organ)
Device.
With reference to Fig. 1 and Fig. 5, the anastomat that this utility model provides includes continuous nail feeding machanism and load carrier；Described send nailing machine
Structure includes: send nail cabin matrix 1, swivel becket 3, ejector pin ring 2 and Contraband staple 15；Ejector pin ring 2 is driven longitudinally when described swivel becket 3 rotates
Motion, described Contraband staple 15 is pushed into load carrier surface by ejector pin ring 2.
In conjunction with reference to Fig. 1 and Fig. 5, described swivel becket 3 external circumferential surface has the driving cog of annular distribution, described outside
The driving cog of peripheral surface annular distribution engages with the gear on handle by after secondary gear transmission, and handle is along its central shaft
Rotation can drive swivel becket 3 to rotate.Pin 6, swivel becket 3, ejector pin ring 2 and Contraband staple 15 is had to be installed on and send on described continuous nail feeding machanism
In nail cabin matrix 1, described in send to have on nail cabin matrix 1 and be parallel to axial longitudinal sliding-rail groove, one end of described pin 6 is positioned at institute
State on the projection of ejector pin ring.The projection of ejector pin ring moves only along the described longitudinal sliding-rail groove sending nail cabin matrix；Swivel becket 3 turns
Ejector pin ring 2 is driven to engage along lengthwise movement, the form that described swivel becket 3 lacks with helical teeth-helical teeth with ejector pin ring 2 time dynamic, swivel becket 3
Ejector pin ring is provided to move longitudinally required thrust by the house face of nibbling between helical teeth-helical teeth lacks during rotation；Described Contraband staple 15 is installed
In ejector pin ring away from the end face of swivel becket.
In conjunction with reference to Fig. 1, Fig. 4, Fig. 5, handle of the present utility model includes: one-stage gear 8, one-stage gear axle 9, afterburning hands
Handle 13, secondary gear 10, secondary gear wheel shaft, gripping handle 14；Described gripping handle 14 is installed on and send outside nail cabin matrix 1, institute
State secondary gear 10 to be installed on gripping handle 14 by secondary gear wheel shaft and by sending through hole and the swivel becket 3 of nail cabin matrix 1
Engagement, described one-stage gear 8 combines by being installed on the one-stage gear axle 9 in its heart portion with afterburning handle 13 and is installed on gripping
Engage with secondary gear 10 after handle 12
Include that double-layer coaxial hollow cylinder, described swivel becket pass through platform in conjunction with sending nail cabin matrix 1 with reference to described in Fig. 1 and Fig. 5
Terrace is fixed between double-layer coaxial hollow cylinder two-layer cylinder face, and described ejector pin ring is fixed between two-layer cylinder face by spring；
During use, substantial viscera is placed in hollow cylinder；As shown in Figure 6, described double-layer coaxial hollow cylinder lower surface is for having prolate
The anchor ring of shape through hole, the size of described through hole is mated with Contraband staple size；Described double-layer coaxial hollow cylinder upper surface is stamped
Gland 7.
As shown in Figure 8, the surface that described ejector pin ring is connected with Contraband staple has a prolate shape boss, described prolate shape boss with
Prolate shape through hole matches, and the groove matched with Contraband staple crossbeam portion, described Contraband staple crossbeam are arranged at described prolate shape boss top
Portion is installed on described groove.During use, Contraband staple arrives force bearing disk through described prolate shape through hole.As shown in Figure 4 and Figure 5, described
Swivel becket side has cannelure circumferentially, have in described cannelure rolling body 4, described rolling body be stuck in described cannelure with
Send between the base inner surface of nail cabin.
In conjunction with reference to Fig. 4 and Fig. 5, described load carrier include load power matrix 16, load positioning disk 17, drive screw 18,
Adjusting rod 20, drain pan 22；As it is shown in figure 5, described load power matrix has slide block with sending the surface that matrix is connected, nail cabin, send nail cabin base
Body includes that slide rail chamber, described slide rail chamber have the slide rail parallel with sending nail cabin base end, and described slide block matches with slide rail, and
There is the degree of freedom slided along slide rail.Described load positioning disk is installed on described load power matrix, and has along load positioning disk axle
Degree of freedom to motion；On the surface that described load positioning disk is relative with sending nail cabin matrix, there is the groove along annulus arrangement, institute
The prolate shape through hole stating groove and double-layer coaxial hollow cylinder lower surface matches；The ground of described groove includes two cambered surfaces.
The most described load positioning disk loads load power matrix by carrying the through hole matched on power matrix end face with it
And only can move up and down along this through hole, drive screw 18 is installed on the screwed hole bottom load positioning disk with the form of threaded engagement
In, adjusting rod 20 is installed in the load power matrix through hole away from one end of load positioning disk, and described driving belt 19 is respectively fitted over
On the gear ring of drive screw 18 and adjusting rod 20, both are connected, as in figure 2 it is shown, described tightening screw rod 21 is with the form dress that is spirally connected
Entering to send outside the matrix of nail cabin in the screwed hole of slide rail, described drain pan 22 is installed on load power base bottom by screw.
The internal diameter sending nail cabin matrix matches with pancreas peripheral diameter, begins with in annulus from sending nail matrix tube wall one end, cabin
The cavity of shape extends longitudinally near the tube wall other end but does not penetrates through (see figure 7), described in send nail cabin matrix at cavity upper opening
Have the screw thread parallel with sending nail cabin matrix longitudinal axis can be spirally connected with gland on the tube wall of end position, described in send outside the matrix of nail cabin
There is the horizontal slide rail (see figure 7) vertical with sending nail cabin matrix longitudinal axis side, has vertical with sending nail cabin matrix longitudinal axis inside slide rail
Cavity groove, there is the tapped through hole (see figure 7) vertical with slide rail described slide rail side；
This anastomat inputs as power, as operator by reinforcing handle to gripping handle side using the rotation of afterburning handle
To rotation, power is driven to send nail cabin matrix empty by the gear being positioned at afterburning rotatable handle cental axial position in gear-driven mode
The swivel becket (transmission principle is shown in Fig. 4) of intracavity, after swivel becket coordinates grease with the rolling body sent between the matrix of nail cabin be
The effect reducing resistance is arrived in the rotation of swivel becket, and swivel becket send, with being co-located at, the ejector pin ring end face phase followed closely in the base cavity of cabin
Contacting and lack the form of (or helical teeth lacks-helical teeth) with helical teeth-helical teeth and engage each other (see figure 4), the power that swivel becket rotates is by oblique
Tooth-helical teeth lacks (or helical teeth lacks-helical teeth) contact inclined-plane and power passes to ejector pin ring, ejector pin ring is positioned at and send in the matrix sliding-rail groove of nail cabin
Projection limit the rotation (see Fig. 4, Fig. 6) of ejector pin ring, thus ejector pin ring in sending nail cabin matrix, only one of which is the most freely
Degree, the power reaching ejector pin ring from helical teeth-helical teeth scarce (or helical teeth lacks-helical teeth) inclined-plane makes ejector pin hoop move away from the direction of swivel becket
Dynamic, promote the Contraband staple being positioned at ejector pin ring moving direction front end to move simultaneously, two of Contraband staple are stretched out branch in moving process
It is each passed through after sending the prolate shape through hole of nail cabin matrix, pancreas train of dress position, intestinal wall and touches load positioning disk, continue at Contraband staple
Continuous when moving forward two stretch out a top produced bending by the guide effect of pit bottom cambered surface on load positioning disk until in
" B " font.Now pancreas train of dress position and intestinal are by being fixed together in the nail of " B " font, play the effect of coincideing.
Although this utility model is open as above with preferred embodiment, but it is not for limiting this utility model, appoints
What those skilled in the art, without departing from spirit and scope of the present utility model, may be by method and the skill of the disclosure above
Technical solutions of the utility model are made possible variation and amendment by art content, therefore, every without departing from this utility model technology
The content of scheme, any simple modification above example made according to technical spirit of the present utility model, equivalent variations and
Modify, belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. an anastomat, including continuous nail feeding machanism and load carrier；It is characterized in that, described continuous nail feeding machanism includes: send nail cabin base
Body, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, ejector pin ring is by described Contraband shape
Nail is released, on load positioning disk surface after Contraband staple sequentially passes through substantial viscera train of dress position and hollow organ wall in the process
Groove is bent into " B " shape.
2. according to the anastomat described in claim 1, it is characterised in that described swivel becket external circumferential surface has annular distribution
Driving cog, the driving cog on described external circumferential surface by engaging with the one-stage gear on handle after secondary gear transmission, hands
Handle can drive swivel becket to rotate along the rotation of its central shaft.
3. according to the anastomat described in claim 1, it is characterised in that described swivel becket lacks with helical teeth-helical teeth with ejector pin ring
Form engages；Described Contraband staple is installed on the ejector pin ring end face away from swivel becket.
4. according to anastomat described in claim 1, it is characterised in that described in send nail cabin matrix to include double-layer coaxial hollow
Body, described swivel becket is fixed between double-layer coaxial hollow cylinder two-layer cylinder face by step surface, and described ejector pin ring passes through spring
It is fixed between two-layer cylinder face；Substantial viscera is placed in hollow part；Described double-layer coaxial hollow cylinder lower surface is for having prolate
The anchor ring of shape through hole, the size of described through hole is mated with Contraband staple size；Described double-layer coaxial hollow cylinder upper surface is stamped
Gland.
5. according to anastomat described in claim 4, it is characterised in that have pin on described ejector pin ring, described in send nail cabin matrix
On have and be parallel to axial longitudinal sliding-rail groove, one end of described pin is positioned at described longitudinal sliding-rail groove.
6. according to the anastomat described in claim 2, it is characterised in that also include: one-stage gear, one-stage gear axle, afterburning hands
Handle, secondary gear, secondary gear wheel shaft, gripping handle；Described gripping handle is installed on and send outside the matrix of nail cabin, described secondary gear
It is installed on gripping handle by secondary gear wheel shaft and by sending the through hole of nail cabin matrix to engage with swivel becket, described one-stage gear
By being installed on the non-cylindrical one-stage gear axle in its heart portion and combine with afterburning handle and be installed on after gripping handle with two
Level gear engagement.
7. according to the anastomat described in claim 1, it is characterised in that described load carrier includes that load power matrix, load guide
Dish, drive screw, adjusting rod, drain pan；Described load power matrix has slide block with sending the surface that matrix is connected, nail cabin, send nail cabin matrix
Including slide rail chamber, described slide rail chamber has the slide rail parallel with sending nail cabin base end, and described slide block matches with slide rail, and has
There is the degree of freedom moved along slide rail.
8. according to the anastomat described in claim 7, it is characterised in that described load positioning disk is installed on described load power matrix,
And there is the degree of freedom along load positioning disk axially-movable；Have on the surface that described load positioning disk is relative with sending nail cabin matrix
Along the groove of annulus arrangement, described groove matches with the prolate shape through hole of double-layer coaxial hollow cylinder lower surface；Described groove
Bottom surface include two cambered surfaces.
9. according to the anastomat described in claim 1, it is characterised in that described swivel becket side has cannelure circumferentially,
Rolling body, described rolling body is had to be stuck in described cannelure and send between the base inner surface of nail cabin in described cannelure.
10. according to the anastomat described in claim 5, it is characterised in that the surface that described ejector pin ring is connected with Contraband staple has
Prolate shape boss, described prolate shape boss matches with prolate shape through hole, and described prolate shape boss top has and Contraband staple crossbeam
The groove that portion matches, described Contraband staple crossbeam portion is installed on described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132337.2U CN205697886U (en) | 2016-02-22 | 2016-02-22 | A kind of anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132337.2U CN205697886U (en) | 2016-02-22 | 2016-02-22 | A kind of anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205697886U true CN205697886U (en) | 2016-11-23 |
Family
ID=57333742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620132337.2U Expired - Fee Related CN205697886U (en) | 2016-02-22 | 2016-02-22 | A kind of anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205697886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997177A (en) * | 2016-02-23 | 2016-10-12 | 申川 | Anastomat and medical use method thereof |
| CN110638498A (en) * | 2019-09-06 | 2020-01-03 | 湖北理工学院 | Circular cutting anastomat |
-
2016
- 2016-02-22 CN CN201620132337.2U patent/CN205697886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997177A (en) * | 2016-02-23 | 2016-10-12 | 申川 | Anastomat and medical use method thereof |
| CN110638498A (en) * | 2019-09-06 | 2020-01-03 | 湖北理工学院 | Circular cutting anastomat |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |