CN109984818A - A kind of centreless puncture outfit - Google Patents
A kind of centreless puncture outfit Download PDFInfo
- Publication number
- CN109984818A CN109984818A CN201711499519.9A CN201711499519A CN109984818A CN 109984818 A CN109984818 A CN 109984818A CN 201711499519 A CN201711499519 A CN 201711499519A CN 109984818 A CN109984818 A CN 109984818A
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- CN
- China
- Prior art keywords
- puncture
- centreless
- puncture outfit
- limiting section
- protective shell
- 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.)
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Classifications
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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
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of centreless puncture outfits; including sheath assembly and puncture body component; puncturing body component includes puncturing piece and protective shell; puncturing piece includes puncture tip; piece is punctured to be fixed on sheath assembly; protective shell is to be slidably connected with sheath assembly, and puncture tip is optionally exposed from the bottom of protective shell.Centreless puncture outfit in the present invention is easy to use, has both saved the preparation cost of entire puncture outfit, also saves the packing cost of puncture outfit, meanwhile, puncture the also whole operational safety for improving centreless of the present invention and puncturing of design of body component.
Description
Technical field
The present invention relates to a kind of surgical instruments to belong to area of medical devices more particularly to a kind of centreless puncture outfit.
Background technique
Puncture outfit has very big usage amount as essential surgical instrument in various Minimally Invasive Surgeries.Tradition is worn
Piercing device includes puncturing core bar, puncture cannula and seal assembly, puncture cannula and seal assembly be collectively formed for puncture core bar, other
Surgical instrument and to the channel of abdominal cavity of patients's aeration；Seal assembly is arranged in puncture cannula, is injected into abdominal cavity for avoiding
Gas leak out, guarantee stable pneumoperitoneum, so as to being normally carried out for operation, puncture core bar and be inserted into via seal assembly and is worn
It pierces in casing, is punctured for being realized to abdominal cavity of patients, one end of puncture cannula is driven to enter inside abdominal cavity of patients.
During specific operation, doctor is general first to scratch a small notch in the abdomen of patient, then will puncture core bar
Top alignment small notch reciprocating rotation while move down, and one end of puncture cannula is driven to enter the intraperitoneal of patient
Portion.It completes after puncturing, core bar will be punctured and extracted from puncture cannula, other formality instruments can be from the channel that puncture cannula is formed
Disengaging.
Due to the presence of puncture core bar, leads to the rising of puncture outfit manufacture, packet turn and transportation cost, punctures easy pair of core bar
Internal organs cause to damage, and puncture core bar and are dropped using rear, cause to waste.
Based on the above situation, on the basis of guaranteeing puncture outfit puncture resistance, simplify structure, reduce cost, improve performance
It is the main improvement direction of existing puncture outfit.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of centreless puncture outfit, solves and puncture in the prior art
Device cost of manufacture and packing cost are high, while there are problems that certain security risk in puncture procedure.
The invention is realized by the following technical scheme: a kind of centreless puncture outfit, including sheath assembly and puncture body component, institute
Stating and puncturing body component includes puncturing piece and protective shell, and the puncture piece includes puncture tip, and the puncture piece is fixed at institute
It states on sheath assembly, the protective shell is to be slidably connected with described sleeve pipe component, and the puncture tip is optionally from described
Expose the bottom of protective shell.
Preferably, described sleeve pipe component includes first end and second end, and the first end of described sleeve pipe component is by the sealing
Component carries out selective sealing, and the second end of described sleeve pipe component is radially divided into the first side and second side, described second side
Bottom is higher than the bottom of first side, and limiting section is formed on first side, and the puncture body component is arranged in the limit
In portion.
Preferably, the bottom of the limiting section protrudes from the end face of described sleeve pipe component second end.
Preferably, the limiting section and the bottom end face of described sleeve pipe component second end are in cambered surface or inclined-plane.
Preferably, the limiting section is that the section tubular wall of described sleeve pipe component is downwardly extending, the wall of the limiting section
Thickness is less than the wall thickness of described sleeve pipe component rest part.
Preferably, it is provided with multiple convex blocks on the limiting section and the limit part is divided into fixing groove and sliding groove, institute
It states fixing groove and the sliding groove extends downward.
Preferably, for the fixing groove for accommodating the puncture piece, two sliding grooves are located at the fixing groove
Two sides, the sliding groove is used to accommodate the two sides of the protective shell.
Preferably, two holding tanks are also formed on the limiting section, two holding tanks are located at the fixing groove
Between two sliding grooves, the holding tank extends downward.
Preferably, two boss are formed on the inner wall of the protective shell, two boss are embedded in the holding tank and divide
Not with top surface the axially aligning along sheath assembly of two holding tanks.
Preferably, elastic component is arranged between the boss and corresponding holding tank top surface.
Preferably, the puncture on piece offers first sliding groove, and the first sliding groove is prolonged along the axial direction of described sleeve pipe component
It stretches, sliding block is provided on the inner wall of the protective shell, the sliding block, which is embedded in the first sliding groove, to be arranged.
Preferably, the limiting section corresponds to the first sliding groove for puncturing on piece and offers second sliding slot, the protective shell
On sliding block be embedded in first sliding groove and the second sliding slot and be arranged simultaneously.
Compared with prior art, the beneficial effects of the present invention are: in centreless puncture outfit casing tube component in this present invention not
It is provided with puncture core bar again, and uses to be provided on the tube wall of sheath assembly side and punctures body component, punctures body component and is in
When original state, protective shell covering punctures the puncture tip of piece, punctures body component when being in puncture procedure state, and protective shell is towards remote
Direction sliding from puncture tip, no longer covers the puncture tip for puncturing piece.After puncturing body component and realizing puncture, stapler
Etc. surgical instruments can directly by sheath assembly formed inner passage enter, it is easy to use.The design for puncturing body component both saved
The preparation cost of entire puncture outfit has been saved, and since the puncture body component in the present invention does not interfere with seal assembly, has been not necessarily to
It is packed after being split with sheath assembly, therefore also saves the packing cost of entire puncture outfit.Further, since puncturing in body component
Protective shell, which completes the sliding of Shi Huixiang puncture tip in puncture, makes puncture body component be in original state, and protective shell covers wear again
The puncture tip of piece is pierced, therefore is also avoided that puncture tip inertia is downward or puncture outfit turns in the course of surgery when completing and puncturing
The intraperitoneal internal organs of dynamic patient harm, centreless puncture outfit of the invention have higher safe operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under centreless puncture outfit puncture state according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second end under centreless puncture outfit original state according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram that body component is punctured under puncture state according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram that body component is punctured under original state according to an embodiment of the present invention；
Fig. 5 is the exploded view that body component is punctured in Fig. 3 or Fig. 4；
Fig. 6 is the structural schematic diagram of sheath assembly limiting section according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.It is retouched in of the invention
In stating, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings.In addition, art
Language " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least
One this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise bright
It is really specific to limit.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
As depicted in figs. 1 and 2, the present embodiment provides a kind of centreless puncture outfit, including sheath assembly 1, seal assembly and
Puncture body component 2, sheath assembly 1 defines that one includes that the inner cavity of first end (not shown) and second end 12 (was performed the operation
The channel of medical instrument in journey), the first end (not shown) of sheath assembly 1 refers to the upper port of sheath assembly 1, specifically covers
The junction of tube assembly 1 and seal assembly 2.The first end of sheath assembly 1 is selectively sealed by seal assembly, the knot of seal assembly
The connection type of structure and seal assembly and sheath assembly 1 has been documented in the patent application document submitted before the applicant,
Including CN201710216813.8, CN201710216814.2, CN201710299930.5, this will not be repeated here.Sheath assembly 1
Second end 12 on be provided with and puncture body component 2, above-mentioned puncture body component 2 is applicable to the sheath assembly 1 of any specification.
As seen in figures 3-5, the puncture body component 2 in the present embodiment includes puncturing piece 21 and protective shell 22.
As shown in figure 4, puncturing piece 21 includes puncture tip 211, punctures to offer on piece 21 and be slided in first longitudinally extended
Slot 212.Sliding block 221 is provided on the inner wall of protective shell 22, sliding block 221 is partially submerged into first sliding groove 212, and sliding block 221 is along
The sliding of one sliding slot 212 drives protective shell 22 relative to the longitudinal movement for puncturing piece 21.The bottom width of sliding block 221 is greater than the
The width of one sliding slot 212 to avoid protective shell 22 and punctures the disengaging of piece 21.Boss there are two being formed on the inner wall of protective shell 22
222, for being slidably connected with sheath assembly 1.
The second end 12 of sheath assembly 1 is radially divided into the first side 121 and second side 122, as shown in fig. 6, sheath assembly 1
The first side 121 form the limiting section 13 for puncturing body component 2, puncture piece 21 and protective shell 22 and be correspondingly arranged at sheath assembly 1 the
In the limiting section 13 of side 121.The bottom of limiting section 13 protrudes from the end face of 1 second end 12 of sheath assembly, keeps sheath assembly 1 whole
Body forms the form that second side 122 is high, the first side 121 is low, "high" mentioned here and " low ", refers to the of sheath assembly 1
The distance of two sides, 122 distance from bottom sheath assembly, 1 first end is less than 1 first side of sheath assembly, 121 distance from bottom sheath assembly 1 the
The distance of one end, i.e., when 1 state in a vertical shape of sheath assembly, the bottom end of second side 122 is located at the top of 121 bottom end of the first side.
Limiting section 13 and the end bottom of 1 second end 12 of sheath assembly are at cambered surface or inclined-plane, when puncturing, to puncture outfit
The power of application concentrates in puncture tip 211, and with protruding into for puncture tip 211, sheath assembly 1 is first along the end of limiting section 13
Face, then the end face along 1 second end 12 of sheath assembly enters in abdominal cavity, to wearing when the setting on cambered surface or inclined-plane is conducive to surgical
The control of the puncture force gradually changed in thorn operation, while being also avoided that puncture outfit causes to damage to the skin of patient's stomach wall.
Limiting section 13 is that the section tubular wall of sheath assembly 1 is downwardly extending.Locating part 13 is the portion of described sleeve pipe component 1
It is in charge of wall to be downwardly extending, the "lower" in the present embodiment refers to the central axis along sheath assembly 1 towards the side of second end 12
Refer to the central axis along sheath assembly 1 towards the direction of first end to, "upper".The definition of "upper", "lower" direction is suitable for this
All components of embodiment centreless puncture outfit.The wall thickness of limiting section 13 is less than the wall thickness of 1 rest part of sheath assembly, limiting section 13
Inner wall and sheath assembly 1 remaining inner wall collectively form medical instrument disengaging channel, channel wall is smooth, and medical instrument exists
It is accessible when access way.Be provided on the outer wall of limiting section 13 multiple convex blocks 131 by limiting section 13 be separated into fixing groove 132,
Two sliding grooves 133 and two holding tanks 134, convex block 131 are integrally formed or are connected with each other with limiting section 13.Fixing groove
132, sliding groove 133 and holding tank 134 extend downward.Wherein, fixing groove 132 is located at the lateral centre bit of limiting section 13
It sets, two holding tanks 134 are separated in the left and right sides of fixing groove 132, and two sliding grooves 133 are separated in the left and right two of two holding tanks 134
Side forms the corresponding first sliding groove 212 for puncturing piece 21 on the trough wall surface of fixing groove 132 and offers second sliding slot 135.
It punctures body component 2 to be mounted on sheath assembly 1, punctures piece 21 and protective shell 22 successively overlays 1 shape of sheath assembly
At limiting section 13 in.It punctures piece 21 to be placed in fixing groove 132, puncture tip 211 protrudes the end of 1 second end 12 of sheath assembly
Face, the two of protective shell 22 are placed in sliding groove 133, in two boss 222 insertion holding tank 134 on 22 inner wall of protective shell,
With top surface the axially aligning along sheath assembly 1 of holding tank 134, top surface and corresponding boss 222 in each holding tank 134
Between be provided with elastic component, in one embodiment of the invention, elastic component use spring 23.Sliding block on 22 inner wall of protective shell
221 are arranged in the second sliding slot 135 in the first sliding groove 212 punctured on piece 21 further insertion 132 wall surface of fixing groove.
When using the present embodiment centreless puncture outfit, as traditional puncture outfit, doctor first scratches one in the abdomen of patient
Then 22 bottom end of protective shell of the present embodiment centreless puncture outfit is directed at small notch again, at this point, at centreless puncture outfit by a small notch
In original state, as shown in Figure 2 and Figure 4, sliding block 221 on 22 inner wall of protective shell be located at puncture 21 first sliding groove 212 of piece and
The bottom end of 13 second sliding slot 135 of limiting section, spring 23 are in original state, and protective shell 22 covers the puncture tip for puncturing piece 21
211.For the ease of puncturing, the position restriction of protective shell 22 is that the puncture tip for puncturing piece 21 is slightly protruded in its bottom in the initial state
End 211.In puncture process, doctor applies downward power to puncture outfit, and under the blocking of stomach wall, protective shell 22 is to far from puncture tip
The direction sliding at end 211, puncture tip 211 are exposed from the bottom of protective shell 22, as shown in figures 1 and 3, the cunning on protective shell 22
Block 221 is to first sliding groove 212 and the top slide of second sliding slot 135, while boss 222 is mobile to 134 top surface of holding tank, is located at
23 compressive deformation of spring in holding tank 134.The elastic deformation of first sliding groove 212, the length of second sliding slot 135 and spring 23
Amount defines the distance that protective shell 22 can slide, and prevents it along the infinitely upper cunning of the outer wall of sheath assembly 1.When completing to puncture, protect
The second end 12 of protective case 22 and sheath assembly 1 enters in abdominal cavity of patients under the drive for puncturing piece 21.There is no abdomens for protective shell 22
The blocking of wall, spring 23 return to original state under the action of elastic force, i.e. the bottom that falls back to first sliding groove 212 again of sliding block 221
End, protective shell 22 are covered on again in the puncture tip 211 for puncturing piece 21.
Using the traditional puncture core bar realization puncture function of the replacement of body component 2 is punctured in the present embodiment, worn compared to tradition
Device is pierced, structure is simpler.It is set up directly on the tube wall of sheath assembly 1 simultaneously as puncturing body component 2, without passing through sealing
Component insertion, therefore the puncture body component 2 in the present embodiment does not influence the sealing performance of seal assembly, in packaging
Without will puncture body component 2 disassemble with sheath assembly 1 realize split packaging, save single puncture outfit packaging space and
Packing cost, cost is lower, therefore the centreless puncture outfit in the present embodiment has biggish economic benefit.
In addition, the protective shell 22 of the present embodiment centreless puncture outfit in original state and can puncture state under the action of elastic force
Between change rapidly, even for the doctor of some experiences not enough when using centreless puncture outfit in the present embodiment, also can
Puncture tip 211 is effectively avoided to cause since downward inertia force or puncture outfit rotate in the course of surgery to trouble when entering abdominal cavity
The injury of person.Therefore, the centreless puncture outfit in the present embodiment has higher safe operation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of centreless puncture outfit, which is characterized in that including sheath assembly and puncture body component；The puncture body component includes wearing
Pierce piece and protective shell；The puncture piece includes puncture tip, and the puncture piece is fixed on described sleeve pipe component；The guarantor
Protective case is to be slidably connected with described sleeve pipe component, and the puncture tip is optionally exposed from the bottom of the protective shell.
2. centreless puncture outfit according to claim 1, which is characterized in that described sleeve pipe component includes first end and second
The first end at end, described sleeve pipe component carries out selective sealing by the seal assembly, and the second end of described sleeve pipe component is along diameter
To the first side and second side is divided into, limiting section is formed on first side, the puncture body component is arranged in the limiting section.
3. centreless puncture outfit according to claim 2, which is characterized in that the bottom of the limiting section protrudes from described sleeve pipe
The end face of component second end.
4. centreless puncture outfit according to claim 2, which is characterized in that the limiting section and described sleeve pipe component second end
Bottom end face be in cambered surface or inclined-plane.
5. centreless puncture outfit according to claim 2, which is characterized in that the limiting section is the part of described sleeve pipe component
Tube wall is downwardly extending, and the wall thickness of the limiting section is less than the wall thickness of described sleeve pipe component rest part.
6. centreless puncture outfit according to claim 5, which is characterized in that be provided with multiple convex blocks on the limiting section for institute
It states limit part and is divided into fixing groove and sliding groove, the fixing groove and the sliding groove extend downward.
7. centreless puncture outfit according to claim 6, which is characterized in that the fixing groove is used to accommodate the puncture piece,
Two sliding grooves are located at the two sides of the fixing groove, and the sliding groove is used to accommodate the two sides of the protective shell.
8. centreless puncture outfit according to claim 7, which is characterized in that be also formed with two receivings on the limiting section
Slot, two holding tanks are located between the fixing groove and two sliding grooves, and the holding tank extends downward.
9. centreless puncture outfit according to claim 8, which is characterized in that formation two is convex on the inner wall of the protective shell
Platform, two boss be embedded in the holding tank and respectively with top surface the axially aligning along sheath assembly of two holding tanks.
10. centreless puncture outfit according to claim 9, which is characterized in that the boss and corresponding holding tank top surface it
Between be arranged with elastic component.
11. centreless puncture outfit according to claim 2, which is characterized in that the puncture on piece offers first sliding groove, institute
It states first sliding groove and is provided with sliding block, the sliding block insertion in the axially extending of described sleeve pipe component, the inner wall of the protective shell
It is arranged in the first sliding groove.
12. centreless puncture outfit according to claim 11, which is characterized in that the limiting section corresponds to the puncture on piece
First sliding groove offers second sliding slot, and the sliding block on the protective shell is embedded in first sliding groove and the second sliding slot sets simultaneously
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499519.9A CN109984818B (en) | 2017-12-31 | 2017-12-31 | Coreless puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499519.9A CN109984818B (en) | 2017-12-31 | 2017-12-31 | Coreless puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109984818A true CN109984818A (en) | 2019-07-09 |
| CN109984818B CN109984818B (en) | 2021-12-31 |
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ID=67110285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711499519.9A Active CN109984818B (en) | 2017-12-31 | 2017-12-31 | Coreless puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109984818B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060200182A1 (en) * | 2005-03-05 | 2006-09-07 | Laparoscopic Partners Llc | Safety shielded trocar with oblique incision edges |
| US20080228214A1 (en) * | 2006-05-03 | 2008-09-18 | Applied Medical Resources Corporation | Shield lockout for bladed obturator and trocars |
| CN106388912A (en) * | 2016-10-08 | 2017-02-15 | 江苏风和医疗器材有限公司 | Core-free puncturing device |
| WO2017073454A1 (en) * | 2015-10-30 | 2017-05-04 | クリエートメディック株式会社 | Medical expansion instrument |
| CN107361829A (en) * | 2017-08-30 | 2017-11-21 | 无锡圣诺亚科技有限公司 | Cored structure is punctured from retraction |
-
2017
- 2017-12-31 CN CN201711499519.9A patent/CN109984818B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060200182A1 (en) * | 2005-03-05 | 2006-09-07 | Laparoscopic Partners Llc | Safety shielded trocar with oblique incision edges |
| US20080228214A1 (en) * | 2006-05-03 | 2008-09-18 | Applied Medical Resources Corporation | Shield lockout for bladed obturator and trocars |
| WO2017073454A1 (en) * | 2015-10-30 | 2017-05-04 | クリエートメディック株式会社 | Medical expansion instrument |
| CN106388912A (en) * | 2016-10-08 | 2017-02-15 | 江苏风和医疗器材有限公司 | Core-free puncturing device |
| CN107361829A (en) * | 2017-08-30 | 2017-11-21 | 无锡圣诺亚科技有限公司 | Cored structure is punctured from retraction |
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| Publication number | Publication date |
|---|---|
| CN109984818B (en) | 2021-12-31 |
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