CN204072247U - A kind of perforator - Google Patents
A kind of perforator Download PDFInfo
- Publication number
- CN204072247U CN204072247U CN201420345137.6U CN201420345137U CN204072247U CN 204072247 U CN204072247 U CN 204072247U CN 201420345137 U CN201420345137 U CN 201420345137U CN 204072247 U CN204072247 U CN 204072247U
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- sleeve pipe
- slot
- sealing
- lower cover
- support bar
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Abstract
This utility model relates to a kind of perforator, and it is mainly applicable in the laparoscopic surgery of human body.This utility model comprises thimble assembly, black box, the gentle valve component of needle assembly, it is characterized in that: in thimble assembly, Compress Spring, support bar and alignment pin are also installed, Compress Spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover, alignment pin and sleeve pipe top cap integral and make to pass through interference fit between sleeve pipe upper cover and sleeve pipe lower cover; Sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and support bar locating hole; The lower end of sealing lower cover is also provided with and the rotary buckle sealing lower cover and be connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.Syndeton of the present utility model design is more reasonable, and sealing property is better, even and if in sterilizing, packaging, transportation, produce extruding, collision, vibrations, black box also can not be made to come off, design and safe and reliable.
Description
Technical field
This utility model relates to a kind of perforator, and it belongs to medical apparatus and instruments, is mainly applicable in the laparoscopic surgery of human body.
Background technology
In prior art, human abdominal cavity operation widely uses perforator, is particularly used in Minimally Invasive Surgery field and laparoscopic surgery.Common perforator comprises thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, air valve body assembly is connected with thimble assembly, because the syndeton design between each assembly is reasonable not, easily causes chronic leakage.
Chinese utility model patent application number 2013202959451 discloses one " perforator ", and it has also applied for invention simultaneously; This perforator comprises thimble assembly, black box, needle assembly and plug valve, elastic sealing element in black box is the taper shape of band one breach, and elastic sealing element has four, and the circumference cornerite of every part is 300 °-340 °, its overlapping area is little, and sealing property is good not; Meanwhile, black box is stuck in by the through hole 2-27 of the three-back-shaped snap close 2-23 of spring 2-24 pretension by dead bolt 2-11; When needing dismounting, pressed by two three-back-shaped snap close 2-23, dead bolt 2-11 breaks off relations from through hole 2-27, takes down black box.There is following shortcoming in this perforator: the structural design of the connection between thimble assembly and black box and three-back-shaped snap close 2-23 and connector thereof reasonable all not in actual use, carrying out easily producing extruding, collision, vibrations etc. in sterilizing, packaging, transportation, these uncontrollable factors very easily cause black box to come off, increased risk when making it use, this risk comprises bacterial index and exceeds standard, and black box is damaged; Meanwhile, three-back-shaped snap close 2-23 metal is made, and complex process, cost is high.
Chinese invention patent application numbers 2011102181154 discloses one " One-time-use Perforator ", spherical sealed seat 2 in this perforator adopts with housing 5 and is threaded, but be non-removable in operation process, when have larger organize foreign body to need to take out time, not by namely implementing, narrow application range; Meanwhile, the axially extending bore of spherical sealing element 3 is fixed values, and 5mm operating theater instruments and 10mm operating theater instruments can not, with the perforator of a specification, except non-usage transducer, use extremely inconvenient.
Chinese invention patent application numbers 2014100692568 discloses one " One-time-use Perforator ", and the choke sealing device in this perforator is non-disconnectable, when have larger organize foreign body to need to take out time, equally not by namely implementing, narrow application range; Meanwhile, 5mm operating theater instruments and 10mm operating theater instruments can not with the perforators of a specification, except non-usage transducer, identical with above-mentioned shortcoming; In addition, its sealing device is made up of choke sealing shroud 16, sealing ring 18, insurance diaphragm seal 20, although three-layer sealed structure can improve sealing property, be the increase in the resistance of apparatus in operative process, and cost is higher.
Utility model content
Technical problem to be solved in the utility model to overcome in prior art existing above-mentioned deficiency, and provide a kind of structural design more rationally, the better and perforator that packed and transported is safer of sealing effectiveness.
The technical scheme in the invention for solving the above technical problem is: this perforator comprises thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, sleeve pipe is provided with in thimble assembly, sleeve pipe lower cover, sleeve pipe upper cover and sealing cap, sealing lower cover is provided with in black box, sealing ring, sealing upper cover, sealing lower cover, elastic sealing element, support member and sealing upper press cover, elastic sealing element is conical, it is characterized in that: in described thimble assembly, also Compress Spring is installed, support bar and alignment pin, Compress Spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover, alignment pin and sleeve pipe top cap integral, they are all made of plastic, sleeve pipe upper cover and sleeve pipe lower cover interference fit, described sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and support bar locating hole, the upper surface at sleeve pipe upper cover all opened by described elongated slot, bayonet slot and support bar locating hole, bayonet slot is communicated with above with elongated slot one end, locating slot is communicated with below the elongated slot other end, and spring eye is communicated with support bar locating hole, the lower end of described sealing lower cover is also provided with and the rotary buckle sealing lower cover and be connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.The syndeton between this utility model thimble assembly and black box is made to design thus more reasonable, sealing property is better, even and if in sterilizing, packaging, transportation produce extruding, collision, vibrations, black box also can not be made to come off, design and safe and reliable.
Elongated slot described in the utility model, bayonet slot, locating slot, spring eye, alignment pin and support bar locating hole all have four, and they are distributed on respectively on sleeve pipe and cover; Described revotating card is buckled with four, and they cover under being distributed on sealing respectively; The design between thimble assembly and black box is made to reach optimum structure.
Air valve body assembly described in the utility model is bonding with thimble assembly, and design is simpler, and effect might as well.
Elastic sealing element described in the utility model has identical five, and the circumference cornerite of every part is 225 °, and make the overlapping area of elastic sealing element large, sealing effectiveness is better.
The overlapping angle of its every two pieces of elastic sealing element described in the utility model is 153 °, and make the overlapping area of elastic sealing element large, sealing effectiveness is better.
The angle of its hole centre line of elastic sealing element described in the utility model is 18 °.
This utility model compared with prior art, have the following advantages and effect: structural design is more reasonable, owing to being provided with Compress Spring, support bar and alignment pin in thimble assembly, making between thimble assembly and black box is demountable structure, can take out larger foreign body of organizing during operation; Owing to being provided with alignment pin, serve the effect of press seal cap, joint sleeve upper and lower covers; Have elongated slot, bayonet slot, locating slot, spring eye and support bar locating hole owing to covering on sleeve pipe, make to make black box come off in sterilizing, packaging, transportation, design and use more safe and reliable; Because elastic sealing element has identical five, the circumference cornerite of every part is 225 °, and the overlapping angle of its every two pieces is 153 °, and the angle of its hole centre line is 18 °, and make the overlapping area of elastic sealing element large, sealing effectiveness is better.
In a word, compared with number of patent application 2013202959451, the syndeton between thimble assembly of the present utility model and black box designs more reasonable, and the three-back-shaped snap close do not protruded and related components thereof, use more safe and reliable.
Compared with number of patent application 2011102181154, demountable structure between thimble assembly of the present utility model and black box, what energy taking-up was larger organizes foreign body, and black box has five elastic sealing elements, and it is circumferentially formed with small through hole, there is larger telescopicing performance, by 10mm operating theater instruments, do not need to use transducer.
Compared with number of patent application 2014100692568, demountable structure between thimble assembly of the present utility model and black box, what energy taking-up was larger organizes foreign body, and black box has five elastic sealing elements, and it is circumferentially formed with small through hole, there is larger telescopicing performance, by 10mm operating theater instruments, do not need to use transducer; Meanwhile, this utility model only has two-layer sealing, the little and good seal performance of resistance.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation front view of this utility model thimble assembly.
Fig. 3 is the structural representation top view of this utility model thimble assembly.
Fig. 4 is the structural representation side view of this utility model thimble assembly.
Fig. 5 is the structural representation sectional view of A-A in Fig. 3.
Fig. 6 is Fig. 5 superstructure enlarged diagram.
Fig. 7 is the structural representation front view (analysing and observe) of this utility model sleeve pipe upper cover.
Fig. 8 is the structural representation top view of Fig. 7.
Fig. 9 is the structural representation axonometric chart of Fig. 8.
Figure 10 is the structural representation upward view of Fig. 7.
Figure 11 is the structural representation axonometric chart of Figure 10.
Figure 12 is the structural representation exploded perspective figure of this utility model black box.
Figure 13 is the structural representation front view of Figure 12.
Figure 14 is the structural representation sectional view of this utility model black box.
Figure 15 is the structural representation top view of this utility model elastic sealing element.
Figure 16 is the structural representation of this utility model needle assembly.
Figure 17 is the structural representation of shank assembly in Figure 16.
Figure 18 is the structural representation sectional view of this utility model air valve body assembly.
Detailed description of the invention
See Fig. 1-Fig. 6, this utility model forms primarily of thimble assembly 1, black box 2, the gentle valve component 4 of needle assembly 3; Black box 2 is connected with thimble assembly 1 and needle assembly 3 respectively, and air valve body assembly 4 is bonding with thimble assembly 1; The gentle valve component 4 of thimble assembly 1, black box 2, needle assembly 3 is all detachable and install.It is the product of 10-12mm that this utility model is mainly applicable to needle tubing internal diameter in needle assembly 3.
Thimble assembly 1 of the present utility model comprises sleeve pipe 11, sleeve pipe lower cover 12, sleeve pipe upper cover 13, sealing cap 14, Compress Spring 16, support bar 17 and alignment pin 18, sleeve pipe lower cover 12 is enclosed within sleeve pipe 11, sealing cap 14 is positioned at sleeve pipe 11, and Compress Spring 16 and support bar 17 contact with each other and be arranged between sleeve pipe lower cover 12 and sleeve pipe upper cover 13; Alignment pin 18 is connected with sleeve pipe upper cover 13, and they are all made of plastic, and technique is simple, and cost is low, passes through interference fit between sleeve pipe upper cover 13 and sleeve pipe lower cover 12.
See Fig. 3-Figure 11, sleeve pipe upper cover 13 in thimble assembly 1 has elongated slot 131, bayonet slot 1311, locating slot 1312, spring eye 132 and support bar locating hole 133, here the upper surface at sleeve pipe upper cover 13 all opened by elongated slot 131, bayonet slot 1311 and support bar locating hole 133, bayonet slot 1311 is communicated with above with elongated slot 131 one end, locating slot 1312 is communicated with below elongated slot 131 other end, and spring eye 132 is communicated with support bar locating hole 133.
In the present embodiment, elongated slot 131, bayonet slot 1311, locating slot 1312, spring eye 132, alignment pin 18 and support bar locating hole 133 all have four, and they are distributed on sleeve pipe upper cover 13 respectively.
See Figure 12-Figure 13, black box 2(of the present utility model is shown in Fig. 1) comprise sealing lower cover 21, sealing ring 22, sealing upper cover 23, sealing lower cover 24, elastic sealing element 25, space bar 26, support member 27 and sealing upper press cover 28, elastic sealing element 25 is the taper shape of band one breach; Wherein: sealing ring 22, sealing lower cover 24, elastic sealing element 25, space bar 26, support member 27 and sealing upper press cover 28 are all sealing between lower cover 21 and sealing upper cover 23, just define the structure of Figure 14 after sealing lower cover 21 and sealing upper cover 23 are by their compressions and by ultrasonic bonding.
See Fig. 1-Figure 14, the lower end of the sealing lower cover 21 in black box 2 is also provided with and the rotary buckle 211 sealing lower cover 21 and be connected, and this rotary buckle 211 is matched with locating slot 1312 by the bayonet slot 1311 in thimble assembly 1 and elongated slot 131; In the present embodiment, rotary buckle 211 has four, and they are distributed on sealing lower cover 21 respectively.
See Figure 12-Figure 15, in the present embodiment, elastic sealing element 25 has identical five, and the circumference wrap angle sigma of every part is 225 °, and the overlapping angle of its every two pieces of elastic sealing element 25 is 153 °, and the angle β of its hole centre line of elastic sealing element 25 is 18 °.
See Figure 16-Figure 17, in the present embodiment, needle assembly 3 comprises shank assembly 31, card mirror block 32, card mirror switch 33, pin buckle 34 and pin bonnet 35; Wherein: card mirror block 32, card mirror switch 33, pin buckle 34 are sleeved between shank assembly 31 and pin bonnet 35, shank assembly 31 and pin bonnet 35 are connected and fixed by pin; Shank assembly 31 comprises needle stand 311, needle tubing 312 and syringe needle 313, and they are all identical with the structure of prior art, no longer describe.
See Figure 18, in the present embodiment, air valve body assembly 4 comprises valve body 41 and spool 42, valve body 41 and spool 42 clamping.
See Fig. 1-Figure 14, when thimble assembly 1 and black box 2 are installed, sealing four rotary buckles 211 of lower cover 21 are alignd with four bayonet slot 1311 of sleeve pipe upper cover 13, be pressed downwardly onto the end, then turn clockwise on earth, make rotary buckle 211 immediately below locating slot 1312, then loose one's grip, the rotary buckle 211 of sealing lower cover 21, under the effect of Compress Spring 16, heads in the locating slot 1312 of sleeve pipe upper cover 13 by four support bars 17.
During dismounting, sealing lower cover 21 is pressed downwardly onto the end, then be rotated counterclockwise on earth, make rotary buckle 211 immediately below bayonet slot 1311, then loose one's grip, the rotary buckle 211 of sealing lower cover 21, under the effect of Compress Spring 16, is ejected the bayonet slot 1311 of sleeve pipe upper cover 13 by four support bars 17.
During operation, pierce through human body stomach wall by this utility model, then enter in human abdominal cavity can carry out Wicresoft and laparoscopic surgery through other operating theater instruments from this utility model.
Specific embodiment described in this description, as long as the undeclared concrete shape of its part and size, then this part can for any shape and size adapted with its structure; Meanwhile, the title that part is got also can be different.All equivalences of doing according to structure, feature and the principle described in this utility model inventional idea or simple change, be included in the protection domain of this utility model patent.
Claims (6)
1. a perforator, comprise thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, sleeve pipe, sleeve pipe lower cover, sleeve pipe upper cover and sealing cap is provided with in thimble assembly, sealing lower cover, sealing ring, sealing upper cover, sealing lower cover, elastic sealing element, support member and sealing upper press cover is provided with in black box, elastic sealing element is the taper shape of band one breach, it is characterized in that:
In described thimble assembly, be also provided with Compress Spring, support bar and alignment pin, Compress Spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover; Alignment pin and sleeve pipe top cap integral, they are all made of plastic, sleeve pipe upper cover and sleeve pipe lower cover interference fit;
Described sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and support bar locating hole, the upper surface at sleeve pipe upper cover all opened by described elongated slot, bayonet slot and support bar locating hole, bayonet slot is communicated with above with elongated slot one end, locating slot is communicated with below the elongated slot other end, and spring eye is communicated with support bar locating hole;
The lower end of described sealing lower cover is also provided with and the rotary buckle sealing lower cover and be connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.
2. perforator according to claim 1, is characterized in that: described elongated slot, bayonet slot, locating slot, spring eye, alignment pin and support bar locating hole all have four, and they are distributed on respectively on sleeve pipe and cover; Described revotating card is buckled with four, and they cover under being distributed on sealing respectively.
3. perforator according to claim 1 and 2, is characterized in that: described air valve body assembly is bonding with thimble assembly.
4. perforator according to claim 1 and 2, is characterized in that: described elastic sealing element has identical five, and the circumference cornerite of every part is 225 °.
5. perforator according to claim 4, is characterized in that: the overlapping angle of its every two pieces of described elastic sealing element is 153 °.
6. perforator according to claim 4, is characterized in that: the angle of described its hole centre line of elastic sealing element is 18 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345137.6U CN204072247U (en) | 2014-06-26 | 2014-06-26 | A kind of perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345137.6U CN204072247U (en) | 2014-06-26 | 2014-06-26 | A kind of perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204072247U true CN204072247U (en) | 2015-01-07 |
Family
ID=52165019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345137.6U Withdrawn - After Issue CN204072247U (en) | 2014-06-26 | 2014-06-26 | A kind of perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204072247U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| WO2018024103A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Puncture device sealing membrane comprising groove structure |
| 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 |
| CN109692030A (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 |
-
2014
- 2014-06-26 CN CN201420345137.6U patent/CN204072247U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068921A (en) * | 2014-06-26 | 2014-10-01 | 浙江天松医疗器械股份有限公司 | Puncture outfit |
| WO2018024103A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Puncture device sealing membrane comprising groove structure |
| US11013532B2 (en) | 2016-08-02 | 2021-05-25 | 5Rmed Technology(Chengdu) Co., Ltd. | Trocar seal membrane with concave-channel structure |
| 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 |
| CN109692030A (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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |