CN104739472A - Surgical cutting and suturing instrument provided with clearance control device - Google Patents
Surgical cutting and suturing instrument provided with clearance control device Download PDFInfo
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- CN104739472A CN104739472A CN201510112479.2A CN201510112479A CN104739472A CN 104739472 A CN104739472 A CN 104739472A CN 201510112479 A CN201510112479 A CN 201510112479A CN 104739472 A CN104739472 A CN 104739472A
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- cutting
- control device
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- wheel bridge
- locating piece
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/32093—Incision instruments for skin incisions
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- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Dermatology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a surgical cutting and suturing instrument provided with a clearance control device and the clearance control device of the surgical cutting and suturing instrument. The clearance control device comprises an upper clamp plate, an assembly clamp plate and a strap blade. The far end of the upper clamp plate is axially provided with an inner cavity, and the bottom of the inner cavity is axially provided with a first sliding groove. The assembly clamp plate is in a U shape, and the bottom of the assembly clamp plate is axially provided with a guide groove. The strap blade comprises a body structure and a cutter installed at the far end of the body structure. A positioning block is arranged at the upper end of the cutter. Rollers are rotatably installed on the positioning block and can axially slide on the end faces of the two sides of the first sliding groove in the inner cavity of the upper clamp plate. A limiting plate is arranged at the lower end of the cutter, penetrates through the guide groove and is located at the bottom of the assembly clamp plate. When the instrument is closed for tissue cutting and suturing, a cutting and suturing assembly is driven; as the clearance control device is arranged, closing of the instrument during cutting and suturing is consistent, and consistency of formed suturing nails are ensured. Besides, pushing is performed in the mode of sliding bearings, so friction resistance is reduced, and then percussion thrust of the instrument is reduced.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of gap control device of surgical cutting and stapling instrument.
Background technology
In surgical operation, medical suturing instrument has become the requisite medical assistance apparatus in tissue sewing process.Various surgery medical suturing instrument is just being widely used in sewing up human body alimentary canal tissue, respiratory tissues and vascular tissue in surgical operation, can reduce operating time, improves surgical quality.They are generally used for the end such as esophagus in digestive tract, Stomach duodenum, small intestinal, coton and rectal end, side and side-to-side neurorrhaphy operation or the operation forming passage or close incisions such as ostomy of hemorrhoid excision stomach function regulating pylorus, also be used to the suture operation of the suture operation such as lung and trachea and vascular tissue in respiratory tract, be specially adapted to appear the suture operation with the Organ and tissue of operating difficulties.
In surgical incision stapler, line cutting stitching instrument has to be sewed up and cutting two functions, while carrying out wound suture, by unnecessary cutting tissue, line cutting stitching instrument has been widely used in operating wound suture, and interior tissue is sewed up with cutting process.Existing line cutting stitching instrument generally comprises upper and lower two clamping plate, and for closing the close handles of upper and lower clamping plate, be oppositely arranged on nail bin and the nail supporting base of upper and lower clamping plate far-end, to be located in nail bin and can simultaneously relative to percussion sheet and the cutting knife of nail bin movement, and for driving the push button of percussion sheet and cutting knife movement.In nail bin, arrangement is provided with suturing nail and pushing slice of nail, and percussion sheet promotes pushing slice of nail successively and pushes stiching instrument to nail supporting base, and the tissue between nail bin and nail supporting base cuts off by described cutting knife.
Line cutting stitching instrument of the prior art is in structure and use people to there is many deficiencies, the closed gap head end of nail bin and the variable thickness of tail end after grasping tissue that are embodied in most of line cutting stitching instrument cause, this just causes when organizing cross-section and stitching, nail molding inconsistent, thus impact uses result.
Moreover, in existing suture instruments, the cutting and stitching component calls of mode to line cutting stitching instrument that propelling cutter complete joint-cutting is very high, in the process advanced, cutting and stitching assembly structural member unbalance stress under the effect of thrust of stiching instrument, very easily occurs bending and deformation, even can cause the damage of other associated members, thus cause thrust to increase, push away the phenomenons such as motionless.
Summary of the invention
The present invention will provide a kind of closed gap control device of surgical cutting and stapling instrument, after solving prior art cathetus stapler grasping tissue, the head end in its closed gap and the variable thickness of tail end cause, and then organizing of causing is cross-section and when sewing up, the inconsistent technical problem of nail molding.
In order to solve the problems of the technologies described above, the invention provides a kind of gap control device of surgical cutting and stapling instrument, comprising train wheel bridge, described train wheel bridge distal shaft is to being provided with inner chamber, and described intracavity bottom axially offers the first chute; Assembly clamping plate, described assembly clamping plate are U-shaped, axially offer gathering sill bottom it; Band blade, described band blade comprises the cutting knife of body construction and the installation of body construction far-end; The upper end of described cutting knife is provided with locating piece, rotatingly on described locating piece is provided with roller, described roller can in train wheel bridge inner chamber the first chute both sides end face on slide axially; The lower end of described cutting knife is provided with limiting plate, and described limiting plate is positioned at the bottom of described assembly clamping plate through gathering sill.
Preferably, described locating piece offers circular hole, described roller center is provided with installing hole, and described roller is two, is arranged on the rotating shaft in described circular hole, is arranged on the both sides of described locating piece respectively by one.
More preferably, also sliding bearing is provided with between the inwall of described circular hole and described rotating shaft.
Preferably, the internal diameter of the circular hole described locating piece offered and the external diameter of described sliding bearing match; Due to described sliding bearing same be provided with installing hole, therefore described roller and described sliding bearing have the internal diameter matched with the diameter of described rotating shaft respectively.
Preferably, described locating piece and described limiting plate vertical described cutting knife setting respectively.
More preferably, described locating piece is rectangular block, and the upper surface of described locating piece lower surface and described limiting plate parallels, and by the distance between locating piece lower surface and described limiting plate upper surface, comes the closed gap in cutting and stitching process of control device.
Preferably, described train wheel bridge inner chamber first chute both sides are respectively equipped with the first limited step and the second limited step, the work surface of fixed block two side wheel contacts with described first limited step and the second limited step respectively, and slides axially with band blade at described train wheel bridge first chute and slide.
Present invention also offers a kind of surgical cutting and stapling instrument, described surgical cutting and stapling instrument comprises above-mentioned arbitrary described gap control device.
Preferably, surgical cutting and stapling instrument provided by the invention, the lower surface of its train wheel bridge intracavity bottom is provided with nail groove, this apparatus also comprises nail bin, and described nail bin is axially arranged with middle seam, and middle seam both side surface is provided with nail, be provided with staple in nail, described nail bin is arranged on assembly clamping plate far-end;
Be arranged on the percussion push jack below nail bin, described percussion push jack is a pair, lays respectively at the both sides of described band blade; And being positioned at the push button of described band blade and described percussion push jack end, described push button is fixedly connected with described band blade, described percussion push jack respectively.
After apparatus is closed, the fixed block relatively rotating roller is installed and enters interior intracavity set by train wheel bridge, when carrying out organizing joint-cutting, described band blade and described percussion push jack is driven to be slided to nail bin far-end by nail bin near-end by push button, and then drive cutting knife upper end be provided with relatively rotate roller fixed block in the inner chamber set by described train wheel bridge along the first slide, described limiting plate is in the basal sliding of assembly clamping plate, and percussion staple completes cutting and the stitching of tissue.
Preferably, described surgical cutting and stapling instrument is line cutting stitching instrument.
Common, we are fixedly connected with formed assembly are respectively referred to as cutting and stitching assembly by pulling the trigger push jack, band blade in line cutting stitching instrument with push button.
In the present invention, due to far-end cutting knife upper of the band blade at apparatus, lower end is provided with respectively can the fixed block being slidably fitted with roller of control gap and limiting plate, along with the propelling of band blade, the fixed block relatively rotating roller is installed slide axially in train wheel bridge inner chamber, limiting plate slides at assembly clamping plate lower bottom part, by the closed gap of the fixed range control device between locating piece and limiting plate, thus overcome due to after existing line cutting stitching instrument grasping tissue, the head end in its closed gap and the variable thickness of tail end cause, and then organizing of causing is cross-section and when sewing up, the inconsistent defect of nail molding, closed consistent in the process that apparatus is cut at grasping tissue, guarantee staple molding concordance.In addition, fixed block installs the mode of roller by sliding bearing, rotating shaft, relative motion between sliding bearing and roller, greatly reduce frictional resistance, and then reduce the percussion thrust of apparatus.
Accompanying drawing explanation
The schematic diagram of a kind of line cutting stitching instrument that Fig. 1 provides for the embodiment of the present invention;
The line cutting stitching instrument horizontal section structural representation of band blade in traveling process that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the assembly clamping plate of a kind of line cutting stitching instrument that Fig. 3 embodiment of the present invention provides;
Band blade during a kind of line cutting stitching instrument original state that Fig. 4 embodiment of the present invention provides is arranged on structural representation in assembly clamping plate;
The cutting and stitching modular construction schematic diagram that Fig. 5 embodiment of the present invention provides;
The band blade structural representation that Fig. 6 embodiment of the present invention provides;
The structural representation being installed roller and fixed block by sliding bearing set on the band blade that Fig. 7 embodiment of the present invention provides;
The band blade front view that Fig. 8 embodiment of the present invention provides;
Fig. 9 is the sectional view of Fig. 8 along A-A line.
Detailed description of the invention
Understand technical scheme of the present invention better to make those skilled in the art can be implemented, below in conjunction with the drawings and specific embodiments, the invention will be further described, but illustrated embodiment is not as a limitation of the invention.
Present embodiments provide a kind of gap control device of preferred surgical cutting and stapling instrument, for line cutting stitching instrument, as illustrated in figs. 2-7, the gap control device of above-mentioned surgical cutting and stapling instrument, comprise train wheel bridge 2, described train wheel bridge 2 distal shaft, to being provided with inner chamber 21, axially offers the first chute 22 bottom described inner chamber 21; The assembly clamping plate 1 that can close relative to train wheel bridge 2 or open, described assembly clamping plate 1 are U-shaped, axially offer gathering sill 11 bottom it; Band blade 3, described band blade 3 comprises the cutting knife 31 of body construction and the installation of body construction far-end; The upper end of described cutting knife 31 is provided with locating piece 32, described locating piece 32 is provided with roller 323 in relative rotation, described roller 323 can in train wheel bridge inner chamber 21 first chute 22 both sides end face on slide axially; The lower end of described cutting knife 31 is provided with limiting plate 33, and described limiting plate 33 is positioned at the bottom of described assembly clamping plate 1 through gathering sill 11.
Described locating piece 32 is arranged with the not vertical described cutting knife 31 of described limiting plate 33.Preferably, described locating piece 32 is for being fixed on the rectangular block on band blade 3, and the upper surface of described locating piece 32 lower surface and described limiting plate 33 parallels; Fixed range between the locating piece 32 arranged respectively by the top and bottom of the cutting knife 31 set by band blade 3 body construction far-end and limiting plate 33 comes the closed gap of control device in cutting and stitching process.The concrete structure of above-mentioned locating piece 32 and limiting plate 33 can also replace with other structure with control gap function or profiles.
Preferably, the work surface due to roller 323 is against the enterprising line slip in train wheel bridge inner chamber 21 bottom surface, and therefore, we also can come the tissue closure gap of control device in cutting and stitching process by the fixed range between roller 323 and limiting plate 33.
As shown in fig. 6-7, described locating piece 32 offers circular hole 321, described roller 323 is provided with installing hole, and described roller 323 is two, and described roller 323 is arranged on the rotating shaft 324 in circular hole 321 by one, is arranged on described locating piece 32 both sides respectively.Preferably, between described locating piece 32 and described rotating shaft, be also provided with sliding bearing 322, namely between described circular hole 321 inwall and described rotating shaft 324, sliding bearing 322 be in relative rotation installed.
Preferably, the internal diameter of circular hole 321 described locating piece 32 offered and the external diameter of described sliding bearing 322 match; Described roller 323 and described sliding bearing 322 have the internal diameter matched with the diameter of described rotating shaft 324 respectively.Because described roller 323 is two, lays respectively at the both sides of described sliding bearing 322, make associated member uniform force, apparatus stability strengthens.Adopt the design that sliding bearing 322 is such, in traveling process, greatly reduce the frictional force between each parts of association.
Preferably, described locating piece 32, sliding bearing 322, roller 323, rotating shaft 324 are metalwork.
Described limiting plate 33 is installed by the mounting groove 12 of assembly clamping plate 1, and after installation, limiting plate 33 is positioned at the bottom outside of described assembly clamping plate 1.
Preferably, the middle part of described train wheel bridge 2 is also provided with the second mounting groove, when train wheel bridge 2 and assembly clamping plate 1 close, band blade 3 upper end of installing in assembly clamping plate 1 is provided with the fixed block 32 relatively rotating roller 323 and enters in train wheel bridge inner chamber 21 by the second mounting groove set in the middle part of train wheel bridge, along with the slip of band blade 3, described in be provided with relatively rotate roller 323 fixed block 32 and described limiting plate 33 respectively in train wheel bridge inner chamber 21 and the basal sliding of assembly clamping plate.This structure effectively to control between train wheel bridge 2 and assembly clamping plate 1 while gap, makes slip in gathering sill 11 set assembly clamping plate 1 in that band blade 3 can be firm, greatly strengthens the stability of apparatus.
As shown in Figure 2, described train wheel bridge inner chamber 21 first chute 22 both sides are respectively equipped with the first limited step 23 and the second limited step 24, after apparatus is closed, during original state, the roller 323 that described locating piece 32 both sides are installed offsets with described first limited step 23 and the second limited step 24 respectively, at locating piece 32 with in band blade 3 traveling process, the work surface of described roller 323 and described first limited step 23 and the second limited step 24 contact, and slide axially with band blade 3 at described train wheel bridge first chute 22 and slide.
Preferably, described locating piece 32 is a rectangular block, the cross-sectional height of described train wheel bridge inner chamber 21 is slightly larger than the cross-sectional height of described locating piece 32, the cross-sectional width of described train wheel bridge inner chamber 21, slightly larger than the distance between described locating piece 32 liang of side wheel 323 lateral surface, may ensure that described roller 323 is advanced in train wheel bridge inner chamber 21 smoothly with locating piece 32.
The annexation about the roller 323 set by locating piece 32 described in the present embodiment is only a kind of example, the present invention can also adopt the annexation be equal to above-mentioned annexation to arrange, as long as realize roller 323 to carry out rolling or sliding relative to described locating piece 32, can be good at reducing mutual frictional force.
The present embodiment additionally provides a kind of preferred surgical cutting and stapling instrument, for line cutting stitching instrument, as shown in figs. 1-7, above-mentioned line cutting stitching instrument comprises assembly clamping plate 1, the cross section of its assembly clamping plate 1 is U-shaped, axially offer gathering sill 11 bottom it, band blade 3 can be made to slide axially along gathering sill 11, and the first mounting groove 12 facilitating above-mentioned band blade 3 to install; The far-end of assembly clamping plate 1 is provided with nail bin 4, and described nail bin 4 is axially arranged with middle seam 41, stitches 41 both sides and is provided with nail, be provided with staple in nail in described nail bin upper surface edge.
Train wheel bridge 2, relatively with assembly clamping plate 1 can close or open, the distal shaft of described train wheel bridge 2 is to being provided with inner chamber 21, described inner chamber 21 can be one-body molded by described train wheel bridge, also can be formed by fixedly connecting by two metalworks, bottom its inner chamber 21, axially offer the first chute 22, concrete, described first chute 22 is opened on the centrage of inner chamber 21 bottom surface, and the lower surface bottom described inner chamber 21 is provided with the nail groove corresponding with described nail position uniformly along the first chute 22 both sides.
Above-mentioned line cutting stitching instrument also comprises can through the band blade 3 be arranged in assembly clamping plate 1 stitching 41 slide anteroposterior in nail bin, be arranged on the percussion push jack 5 below nail bin 4, and be arranged on band blade 3 and percussion push jack 5 afterbody for fixing and push button 6 both driving, described percussion push jack 5 is a pair, lays respectively at the both sides of described band blade 3.
Preferably, the middle part of described train wheel bridge 2 also offer be suitable for described band blade 3 upper end the second mounting groove that the fixed block 32 relatively rotating roller 323 enters inner chamber 21 is installed, when train wheel bridge 2 and assembly clamping plate 1 close, described in the fixed block 32 relatively rotating roller 323 be installed entered in train wheel bridge inner chamber 21 by the second mounting groove.
When described band blade 3 is arranged on assembly clamping plate, limiting plate 33 enters gathering sill 11 by the first mounting groove 12 of assembly clamping plate 1, after installation, limiting plate 33 is positioned at the exterior bottom of described assembly clamping plate 1, the structure of limiting plate 33 not only ensure that organizes joint-cutting gap, and make slip in gathering sill 11 set in assembly clamping plate 1 that band blade 3 can be firm, greatly strengthen the stability of apparatus.
Due to train wheel bridge first chute 22, in nail bin, seam 41 is corresponding consistent with assembly clamping plate gathering sill 11 direction, after apparatus is closed, be provided with in inner chamber 21 that the fixed block 32 relatively rotating roller 323 enters set by train wheel bridge, when carrying out organizing joint-cutting, described band blade 3 and described percussion push jack 5 is driven to be slided to nail bin 4 far-end by nail bin 4 near-end by push button 6, and then drive the locating piece 32 with roller 323 set by cutting knife 31 upper end to slide along the first chute 22 in the inner chamber 21 set by train wheel bridge, limiting plate 33 contact bottom assembly clamping plate slides, percussion staple completes cutting and the stitching of tissue.
The operation principle of the preferred line cutting stitching instrument of the present embodiment is as follows:
As shown in Figure 1-2, the original state of this line cutting stitching instrument is above-mentioned train wheel bridge, assembly jaws close, during use, open apparatus, put between nail bin 4 and train wheel bridge 2 need the tissue of cutting, train wheel bridge 2 is corresponded to assembly clamping plate 1 and is inserted by locking positioning pin closed, now, the fixed block 32 relatively rotating roller 323 that is provided with set on band blade 3 enters in the inner chamber 21 of train wheel bridge by the second mounting groove, pressing flexible handle, until handle locking, promote above-mentioned push button 6, above-mentioned band blade 3 and percussion push jack 5 are slided to nail bin 4 far-end by nail bin 4 near-end respectively by inner chamber bottom seam 41 in described nail bin and nail bin with push button 6, carry out tissue cutting and staple percussion, complete stitching.Meanwhile, what be fixed on band blade 3 upper end is provided with the fixed block 32 relatively rotating roller 323, also under push button 6 thrust, is distally slided in described train wheel bridge inner chamber 21 along the first chute 22 by near-end.Then to pull back above-mentioned push button 6, open apparatus, take out above-mentioned nail bin 4.Due to be provided with relatively rotate roller 323 fixed block 32 and limiting plate 33 respectively in train wheel bridge inner chamber 21 and assembly clamping plate 1 basal sliding, the clamping thickness of control device to tissue is carried out by its fixed range therebetween, make the tissue thickness of the head end of closed gap nail bin 4 after grasping tissue and tail end clamping basically identical, guarantee staple molding concordance.In addition, by sliding bearing 322 interlock roller 323 on locating piece 32, the first limited step 23 in described roller 323 and train wheel bridge inner chamber 21 and the second limited step 24 offset and roll, and greatly reduce the frictional force between each parts.
Near-end herein, far-end limited according to industry practice, and be namely near-end from person close to doctor during operation, opposite end is far-end.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. the gap control device of a surgical cutting and stapling instrument, comprise train wheel bridge (2), described train wheel bridge (2) distal shaft is to being provided with inner chamber (21), and described inner chamber (21) bottom axially offers the first chute (22);
Assembly clamping plate (1), described assembly clamping plate (1), for U-shaped, axially offer gathering sill (11) bottom it;
Band blade (3), described band blade (3) comprises the cutting knife (31) of body construction and the installation of described body construction far-end;
The upper end of described cutting knife (31) is provided with locating piece (32), described locating piece (32) is provided with roller (323) in relative rotation, described roller (323) can slide axially on the end face of the first chute (22) both sides described in described train wheel bridge inner chamber (21);
The lower end of described cutting knife (31) is provided with limiting plate (33), and described limiting plate (33) is positioned at the bottom of described assembly clamping plate (1) through described gathering sill (11).
2. gap control device according to claim 1, it is characterized in that: described locating piece (32) offers circular hole (321), described roller (323) center is provided with installing hole, described roller (323) is two, be arranged on the rotating shaft (324) in described circular hole (321) by one, be arranged on the both sides of described locating piece (32) respectively.
3. gap control device according to claim 2, is characterized in that: be also provided with sliding bearing (322) between the inwall of described circular hole (321) and described rotating shaft (324).
4. gap control device according to claim 3, is characterized in that:
The internal diameter of the circular hole (321) that described locating piece (32) is offered and the external diameter of described sliding bearing (322) match;
Described roller (323) and described sliding bearing (322) have the internal diameter matched with the diameter of described rotating shaft (324) respectively.
5. gap control device according to claim 1, is characterized in that: described locating piece (32) and described limiting plate (33) respectively vertical described cutting knife (31) are arranged.
6. gap control device according to claim 5, is characterized in that: described locating piece (32) is rectangular block, and the upper surface of described locating piece (32) lower surface and described limiting plate (33) parallels.
7. gap control device according to claim 1, it is characterized in that: described train wheel bridge inner chamber (21) first chute (22) both sides are respectively equipped with the first limited step (23) and the second limited step (24), the work surface of described roller (323) simultaneously and described first limited step (23) and the second limited step (24) contact, and slide axially with band blade (3) described train wheel bridge first chute (22) and slide.
8. a surgical cutting and stapling instrument, is characterized in that, described surgical cutting and stapling instrument comprises the arbitrary described gap control device of claim 1 to 7.
9. surgical cutting and stapling instrument according to claim 8, the lower surface of its train wheel bridge inner chamber (21) bottom is provided with nail groove, it is characterized in that:
Also comprise nail bin (4), described nail bin (4) is axially arranged with middle seam (41), described middle seam (41) both side surface is provided with the nail corresponding with described nail groove, be provided with staple in described nail, described nail bin (4) is arranged on described assembly clamping plate (1) far-end;
Be arranged on the percussion push jack (5) below described nail bin, described percussion push jack (5) is a pair, lays respectively at the both sides of described band blade (3);
And being positioned at the push button (6) of described band blade (3) and described percussion push jack (5) end, described push button (6) is fixedly connected with described band blade (3), described percussion push jack (5) respectively.
After apparatus is closed, be provided with in inner chamber (21) that the fixed block (32) relatively rotating roller (323) enters set by described train wheel bridge, when carrying out organizing joint-cutting, described band blade (3) and described percussion push jack (5) is driven to be slided to nail bin (4) far-end by described nail bin (4) near-end by described push button (6), and then the fixed block (32) driving described cutting knife (31) upper end to be provided with to relatively rotate roller (323) slides along described first chute (22) in the inner chamber (21) set by described train wheel bridge, described limiting plate (33) is in the basal sliding of assembly clamping plate, percussion staple completes cutting and the stitching of tissue.
10. surgical cutting and stapling instrument according to claim 8 or claim 9, is characterized in that: described surgical cutting and stapling instrument is line cutting stitching instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112479.2A CN104739472A (en) | 2015-03-13 | 2015-03-13 | Surgical cutting and suturing instrument provided with clearance control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112479.2A CN104739472A (en) | 2015-03-13 | 2015-03-13 | Surgical cutting and suturing instrument provided with clearance control device |
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| Publication Number | Publication Date |
|---|---|
| CN104739472A true CN104739472A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112479.2A Pending CN104739472A (en) | 2015-03-13 | 2015-03-13 | Surgical cutting and suturing instrument provided with clearance control device |
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| CN (1) | CN104739472A (en) |
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| CN110638497A (en) * | 2019-09-29 | 2020-01-03 | 中南大学湘雅医院 | Tissue stitching instrument |
| EP3610801A3 (en) * | 2018-08-13 | 2020-04-01 | Ethicon LLC | Clamping assembly for linear surgical stapler |
| CN114451944A (en) * | 2022-02-09 | 2022-05-10 | 天津瑞奇外科器械股份有限公司 | Surgical instrument and nail bin assembly thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110638497A (en) * | 2019-09-29 | 2020-01-03 | 中南大学湘雅医院 | Tissue stitching instrument |
| CN110638497B (en) * | 2019-09-29 | 2024-05-10 | 李坚 | Tissue stitching instrument |
| CN114451944A (en) * | 2022-02-09 | 2022-05-10 | 天津瑞奇外科器械股份有限公司 | Surgical instrument and nail bin assembly thereof |
| CN114451944B (en) * | 2022-02-09 | 2024-02-23 | 天津瑞奇外科器械股份有限公司 | Surgical instrument and nail bin assembly thereof |
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Address after: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Applicant after: Surplus medical equipment manufacturing (Tianjin) Co., Ltd. Address before: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Applicant before: Tianjin Wan He Medical Devices Co., Ltd. |
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