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CN204072261U - Connecting structure and there is the perforator of this connecting structure - Google Patents

Connecting structure and there is the perforator of this connecting structure Download PDF

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Publication number
CN204072261U
CN204072261U CN201420520064.XU CN201420520064U CN204072261U CN 204072261 U CN204072261 U CN 204072261U CN 201420520064 U CN201420520064 U CN 201420520064U CN 204072261 U CN204072261 U CN 204072261U
Authority
CN
China
Prior art keywords
pin
perforator
upper cover
connecting structure
puncturing lever
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 - Lifetime
Application number
CN201420520064.XU
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Chinese (zh)
Inventor
李茂富
吴惟民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tegos Medical Devices (jiangsu) Co Ltd
Original Assignee
Tegos Medical Devices (jiangsu) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tegos Medical Devices (jiangsu) Co Ltd filed Critical Tegos Medical Devices (jiangsu) Co Ltd
Priority to CN201420520064.XU priority Critical patent/CN204072261U/en
Application granted granted Critical
Publication of CN204072261U publication Critical patent/CN204072261U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

This utility model discloses a kind of connecting structure and has the perforator of this connecting structure, described perforator comprises puncturing lever, puncturing lever pedestal, puncture sheath, upper cover, shell and described connecting structure, described puncturing lever can be connected to described upper cover, described connecting structure comprises pin, and described pin axially convexedly stretches in the sidewall of described upper cover in described perforator; Described pin is provided with pedestal limiting section, and described pedestal limiting section is convex in described perforator footpath stretches in described pin sidewall; The locating slot corresponding with described pin, described locating slot is arranged on described shell; Pin through hole, described pin through hole is arranged on described puncturing lever pedestal; Described pin and described locating slot be configured to when described pin through described pin through hole and be inserted in described locating slot time, described upper cover only can relatively described shell along the axially-movable of described perforator.Compared with the buckle connected mode of prior art, it is simple that this utility model has structure, easy to operate beneficial effect.

Description

Connecting structure and there is the perforator of this connecting structure
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of connecting structure, particularly a kind of connecting structure for perforator.
Background technology
Perforator a kind ofly pierces through stomach wall and provide the operating theater instruments entering lumenal passageway for other operating theater instruments, belongs to a kind of Minimally Invasive Surgery apparatus.
Perforator generally includes as the sleeve assembly of other operating theater instruments admission passages with through the puncturing lever in described sleeve assembly.In order to transdermal, first cut epiderm skin with scalpel, the near-end then to described puncturing lever applies pressure, promotes the most advanced and sophisticated transdermal of described puncturing lever and enters body cavity.Perforator enters body cavity, extracts puncturing lever out, and sleeve assembly just can as the mis instruments passage performing endo-surgical and splanchnoscopy operation.
Perforator also comprises a upper cover usually, for fixing when puncturing stomach wall and locate described puncturing lever and the relative position of described sleeve assembly in described perforator direction of rotation.Current described upper cover and described sleeve assembly generally adopt the mode of buckle to be connected, and so just need the connecting portion complex structure of upper cover and described sleeve assembly, and buckle connected mode complex operation in instrumentation process.
Summary of the invention
For solving the problem, this utility model provides a kind of connecting structure and has the perforator of this connecting structure, and connecting portion structure is simple, and use procedure is easy to operate.
For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of connecting structure, and for perforator, described perforator comprises puncturing lever, upper cover and shell, and described puncturing lever can be connected to described upper cover, and described connecting structure comprises,
Pin, described pin axially convexedly stretches in the sidewall of described upper cover at described perforator;
The locating slot corresponding with described pin, described locating slot is arranged on described shell;
Wherein, described pin and described locating slot are configured to when described pin is inserted in described locating slot, described upper cover only can relatively described shell along the axially-movable of described perforator.
As the further improvement of this utility model one embodiment, the lateral wall of described upper cover is provided with Handheld Division, and described Handheld Division is arranged at the near-end of described pin.
As the further improvement of this utility model one embodiment, described perforator also comprises the puncturing lever pedestal that can pass for described puncturing lever, described puncturing lever pedestal is provided with pin through hole, and described pin can pass described pin through hole and be inserted in described locating slot.
As the further improvement of this utility model one embodiment, described pin is provided with pedestal limiting section, described pedestal limiting section is convex in described perforator footpath stretches in described pin sidewall; The sidewall of described pin through hole is arranged with can coordinate with described pedestal limiting section hold position.
As the further improvement of this utility model one embodiment, described locating slot is provided with stopper section, and when described pin is inserted in described locating slot, described stopper section limits described pin and moves upward in described perforator footpath.
As the further improvement of this utility model one embodiment, described pin is set to two, described shell is correspondingly provided with two described locating slots matched with described pin.
As the further improvement of this utility model one embodiment, two described pins are symmetrically distributed on the sidewall of described upper cover.
For realizing one of above-mentioned utility model object, this utility model one embodiment also provides a kind of connecting structure, for perforator, described perforator comprises puncturing lever, puncturing lever pedestal, upper cover and shell, described puncturing lever pedestal can be connected to described upper cover, described puncturing lever can be connected to described puncturing lever pedestal, and described connecting structure comprises
Pin, described pin axially convexedly stretches in the sidewall of described upper cover at described perforator;
The locating slot corresponding with described pin, described locating slot is arranged on described shell;
For the pin through hole that described pin passes, described pin through hole is arranged on described puncturing lever pedestal;
Wherein, described pin and described locating slot be configured to when described pin through described pin through hole and be inserted in described locating slot time, described upper cover only can relatively described shell along the axially-movable of described perforator.
As the further improvement of this utility model one embodiment, described pin is provided with pedestal limiting section, and described pedestal limiting section is convex in described perforator footpath stretches in described pin sidewall; The sidewall of described pin through hole is arranged with can coordinate with described pedestal limiting section hold position.
For realizing one of above-mentioned utility model object, this utility model one embodiment also provides a kind of perforator, and described perforator comprises: puncturing lever, puncture sheath, shell and upper cover, and connecting structure as above.
Compared with prior art, connecting structure of the present utility model cancels click-on design, the mode only adopting pin to guide carries out the location of upper cover, puncturing lever and shell, limit while described upper cover, puncturing lever and shell move in perforator direction of rotation, ensure that again three can freely-movable in the axial direction, not only component structural simple and stable, and pick and place puncturing lever when handled easily person uses, simple to operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of perforator of the present utility model;
Fig. 2 be this utility model perforator first embodiment STRUCTURE DECOMPOSITION schematic diagram;
Fig. 3 is the front view of upper cover in the first embodiment;
Fig. 4 is the upward view of puncturing lever pedestal in the first embodiment;
Fig. 5 is the sectional view of Fig. 1 housing along A-A;
Tu6Shi Tu1Zhong B district is along the cutaway view Amplified image of A-A;
Fig. 7 is the STRUCTURE DECOMPOSITION schematic diagram of the second embodiment of this utility model perforator.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments do not limit this utility model, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection domain of the present utility model.
Expression position described by this utility model and the word in direction, be all using exercises on apparatus author as reference, be near-end near one end of operator, the one end away from operator is far-end, being axially at near-end to the direction of far-end, be radial direction perpendicular to described axial direction.
With reference to the schematic diagram that Fig. 1, Fig. 1 are perforators of the present utility model.Perforator 100 comprises puncturing lever 10, puncture sheath 20, shell 30 and upper cover 40.Described shell 30 can be assembled in described puncture sheath 20.Described puncturing lever 10 can pass described shell 30 and described puncture sheath 20, and described puncture sheath 20 is stretched out at the tip 12 of described puncturing lever 10.During operation, described perforator 100 penetrates abdominal wall tissue under the described guiding of most advanced and sophisticated 12, is then extracted out by described puncturing lever 10, forms the passage of a chamber and external communication, as the passage that other operating theater instruments enter.Described perforator 100 also comprises connecting structure, and described connecting structure can locate described upper cover 40 and the relative position relation of described shell 30 in described perforator 100 direction of rotation.
With reference to the STRUCTURE DECOMPOSITION figure that Fig. 2, Fig. 2 are this utility model perforator first embodiments.The bottom surface of described upper cover 40 is provided with puncturing lever annular mounting groove (not shown), and described puncturing lever 10 near-end is provided with annular installation base 11.Wherein, described annular installation base 11 can be assembled in described puncturing lever annular mounting groove, thus makes described puncturing lever 10 be connected to described upper cover 40.
With reference to the front view that Fig. 3, Fig. 3 are upper cover in the first embodiment.
Described connecting structure comprises pin 41, and described pin 41 convexedly stretches in the sidewall of described upper cover 40 in the axial direction.Reference Fig. 5, Fig. 5 are the sectional view of Fig. 1 housing along A-A.Described connecting structure also comprise with described pin 41 with the use of locating slot 31, described locating slot 31 is arranged on described shell 30.Composition graphs 2 and Fig. 6, Tu6Shi Tu1Zhong B district are along the cutaway view Amplified image of A-A.Described pin 41 can be inserted in described locating slot 31, described pin 41 is configured to when described pin 41 is inserted in described locating slot 31 with described locating slot 31, described upper cover 40 only can relatively described shell 30 along the axially-movable of described perforator 100, and described upper cover 40 can not move relative to described shell 30 in described upper cover 40 direction of rotation vertically.As can be seen from Figure 6, the connected mode that described connecting structure adopts simple pin to guide, and also compared with the buckle connected mode of prior art, not only component structural is simple, and easy to operate.
Referring to the upward view that Fig. 2 and Fig. 4, Fig. 4 are puncturing lever pedestals described in the first embodiment.In the first embodiment of the present utility model, described perforator 100 also comprises puncturing lever pedestal 50, and described puncturing lever pedestal 50 is between described upper cover 40 and described shell 30.Described puncturing lever pedestal 50 center is provided with a puncture rod aperture 52, described puncturing lever 10 can pass described puncture rod aperture 52, thus make described puncturing lever pedestal 50 be sleeved on described puncturing lever 10, and described puncturing lever pedestal 50 can limit described puncturing lever 10 moves in described puncturing lever 10 direction of rotation.
Described puncturing lever pedestal 50 is provided with pin through hole 51, the sidewall of described pin through hole 51 is arranged with and holds position 511, described pin 41 is also provided with pedestal limiting section 42, and described pedestal limiting section 42 is convex in described perforator 100 footpath stretches in described pin 41 sidewall.Described pin 41 can pass described pin through hole 51 and be inserted in described locating slot 31, and described pedestal limiting section 42 can match with the described position 511 that holds, described upper cover 40 only relative to the axially-movable of described puncturing lever pedestal 50 along described perforator 100, can have been assembled concrete relative position between each parts of rear described connecting structure and please refer to Fig. 6.
Referring to Fig. 5 and Fig. 6, described locating slot 31 arranges stopper section 311, and when described pin 41 is inserted in described locating slot 31, described stopper section 311 can also limit described pin 41 and move relative to described shell 30 in described perforator 100 radial direction.
In addition referring to Fig. 2, for convenience of the position at exercises on apparatus author each position of the described connecting structure of more convenient judgement when operating, the lateral wall of described upper cover 40 is provided with Handheld Division 43, and described Handheld Division 43 is arranged at the near-end of described pin 41.Like this, exercises on apparatus author, by the described Handheld Division 43 of contact, can more easily make described pin 41 aim at described locating slot 31.
And for making locating effect better, described connecting structure is provided with two described pins, 41, two described pins 41 and is symmetrically distributed on the sidewall of described upper cover 40.Accordingly, described connecting structure be provided with two described pin 41 with the use of described locating slot 31 and each two of described pin through hole 51.
It is the STRUCTURE DECOMPOSITION schematic diagram of the second embodiment of this utility model perforator referring to Fig. 7, Fig. 7.In the second embodiment of the present utility model, described perforator 100 comprises puncturing lever 10, puncture sheath 20, shell 30, upper cover 40 and puncturing lever pedestal 50.Second embodiment is from the different of the first embodiment, described upper cover 40, interconnected relationship between described puncturing lever 10 and described puncturing lever pedestal 50 three.Described upper cover 40 is provided with pedestal mounting groove 44, and the near-end of described puncturing lever pedestal 50 is provided with pedestal erection column 53, and described pedestal erection column 53 can be assembled in described pedestal mounting groove 44, thus makes described puncturing lever pedestal 50 direct-assembling in described upper cover 40.The far-end of described puncturing lever pedestal 50 is provided with puncturing lever mounting groove (not shown).Described puncturing lever 10 near-end can be assembled in described puncturing lever mounting groove, thus described puncturing lever 10 is connected with described puncturing lever pedestal 50.
In a second embodiment, described perforator 100 also comprises described connecting structure, and described connecting structure comprises described pin 41, and described pin 41 convexedly stretches in the sidewall of described upper cover 40 in the axial direction; Described pin 41 is provided with described pedestal limiting section 42, and described pedestal limiting section 42 is at the convex sidewall stretching in described pin 41 in described perforator 100 footpath.Described connecting structure also comprises described pin through hole 51, described pin through hole 51 be arranged with described pedestal limiting section 42 with the use of hold a (not shown).Described connecting structure also comprise with described pin 41 with the use of described locating slot 31, described locating slot 31 is arranged on described shell 30.Wherein, described pin 41 can pass described pin through hole 51 and be inserted in in described locating slot 31, and, now described pedestal limiting section 42 be inserted in described in hold position, thus make described upper cover 40 only can relative to the axially-movable along described perforator 100 of described puncturing lever pedestal 50 and described shell 30.Because puncturing lever 10 is connected to described puncturing lever pedestal 50, thus described connecting structure further limit the motion of described puncturing lever 10, make described puncturing lever 10 only can relatively described shell 30 along the axially-movable of described perforator 100.
This utility model is by above-mentioned embodiment, there is following beneficial effect: by cancelling click-on design, the mode only adopting pin to guide carries out the location of upper cover, puncturing lever and shell, limit while described upper cover, puncturing lever and shell move in perforator direction of rotation, ensure that again three can freely-movable in the axial direction, not only component structural simple and stable, and pick and place puncturing lever when handled easily person uses, simple to operation.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from this utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.

Claims (10)

1. a connecting structure, for perforator, described perforator comprises puncturing lever, upper cover and shell, it is characterized in that, described puncturing lever can be connected to described upper cover, and described connecting structure comprises,
Pin, described pin axially convexedly stretches in the sidewall of described upper cover at described perforator;
The locating slot corresponding with described pin, described locating slot is arranged on described shell;
Wherein, described pin and described locating slot are configured to when described pin is inserted in described locating slot, described upper cover only can relatively described shell along the axially-movable of described perforator.
2. connecting structure according to claim 1, is characterized in that, the lateral wall of described upper cover is provided with Handheld Division, and described Handheld Division is arranged at the near-end of described pin.
3. connecting structure according to claim 1, it is characterized in that, described perforator also comprises the puncturing lever pedestal that can pass for described puncturing lever, and described puncturing lever pedestal is provided with pin through hole, and described pin can pass described pin through hole and be inserted in described locating slot.
4. connecting structure according to claim 3, is characterized in that, described pin is provided with pedestal limiting section, and described pedestal limiting section is convex in described perforator footpath stretches in described pin sidewall; The sidewall of described pin through hole is arranged with can coordinate with described pedestal limiting section hold position.
5. connecting structure according to claim 1, is characterized in that, described locating slot is provided with stopper section, and when described pin is inserted in described locating slot, described stopper section limits described pin and moves upward in described perforator footpath.
6. connecting structure according to claim 1, is characterized in that, described pin is set to two, described shell is correspondingly provided with two described locating slots matched with described pin.
7. connecting structure according to claim 6, is characterized in that, two described pins are symmetrically distributed on the sidewall of described upper cover.
8. a connecting structure, for perforator, described perforator comprises puncturing lever, puncturing lever pedestal, upper cover and shell, it is characterized in that, described puncturing lever pedestal can be connected to described upper cover, and described puncturing lever can be connected to described puncturing lever pedestal, described connecting structure comprises
Pin, described pin axially convexedly stretches in the sidewall of described upper cover at described perforator;
The locating slot corresponding with described pin, described locating slot is arranged on described shell;
For the pin through hole that described pin passes, described pin through hole is arranged on described puncturing lever pedestal;
Wherein, described pin and described locating slot be configured to when described pin through described pin through hole and be inserted in described locating slot time, described upper cover only can relatively described shell along the axially-movable of described perforator.
9. connecting structure according to claim 8, is characterized in that, described pin is provided with pedestal limiting section, and described pedestal limiting section is convex in described perforator footpath stretches in described pin sidewall; The sidewall of described pin through hole is arranged with can coordinate with described pedestal limiting section hold position.
10. a perforator, is characterized in that, described perforator comprises: puncturing lever, puncture sheath, shell and upper cover, and as the connecting structure in claim 1 ~ 9 as described in any one.
CN201420520064.XU 2014-09-11 2014-09-11 Connecting structure and there is the perforator of this connecting structure Expired - Lifetime CN204072261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420520064.XU CN204072261U (en) 2014-09-11 2014-09-11 Connecting structure and there is the perforator of this connecting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420520064.XU CN204072261U (en) 2014-09-11 2014-09-11 Connecting structure and there is the perforator of this connecting structure

Publications (1)

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CN204072261U true CN204072261U (en) 2015-01-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109692031A (en) * 2018-05-31 2019-04-30 江苏风和医疗器材股份有限公司 Closedown structure and its puncture outfit
CN110772304A (en) * 2018-07-31 2020-02-11 江苏风和医疗器材股份有限公司 Puncture outfit shell and puncture outfit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109692031A (en) * 2018-05-31 2019-04-30 江苏风和医疗器材股份有限公司 Closedown structure and its puncture outfit
CN110772304A (en) * 2018-07-31 2020-02-11 江苏风和医疗器材股份有限公司 Puncture outfit shell and puncture outfit
CN110772304B (en) * 2018-07-31 2022-03-18 江苏风和医疗器材股份有限公司 Puncture outfit shell and puncture outfit

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CX01 Expiry of patent term
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Granted publication date: 20150107