CN202128517U - Universal abdominocentesis device - Google Patents
Universal abdominocentesis device Download PDFInfo
- Publication number
- CN202128517U CN202128517U CN201120230292U CN201120230292U CN202128517U CN 202128517 U CN202128517 U CN 202128517U CN 201120230292 U CN201120230292 U CN 201120230292U CN 201120230292 U CN201120230292 U CN 201120230292U CN 202128517 U CN202128517 U CN 202128517U
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- CN
- China
- Prior art keywords
- universal
- shell
- puncture
- puncture needle
- housing
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- 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
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Abstract
The utility model relates to a universal abdominocentesis device. A puncture shell (15) is arranged at the rear end of a shell (12), and a puncture needle (1) penetrates through a sealing component from the front end of the shell to extend into the puncture shell. The universal abdominocentesis device is characterized in that a spherical connecting piece (7) is fixed and connected with the front end of the shell (12); a through hole of the spherical connecting piece is matched with the puncture needle, the spherical connecting piece (7) and a spherical headstock (4) form universal movable connection, the front end of the spherical headstock (4) is connected and matched with a gland (2), and an elastic sealing piece (3) is arranged between the spherical headstock and the gland and forms sealing matching with the periphery of the puncture needle. As the universal abdominocentesis device forms the universal connection by the spherical connecting piece, in the process of inserting a medical instrument into an abdominal cavity to rotate, the elastic sealing piece can rotate with the medical instrument, so that the effective sealing is formed at the periphery of the medical instrument by the elastic sealing piece and does not deform due to the rotation of the medical instrument, thereby avoiding the escapement of gas.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially a kind of universal abdominal paracentesis device.
Background technology
In present laparoscopic surgery, the doctor uses perforator after patient's abdominal part punctures, and takes out the puncture needle of perforator; Insert peritoneoscope, the pneumoperitoneum apparatus interface through perforator is set up pneumoperitoneum to the abdominal cavity injecting carbon dioxide; The doctor can carry out laparoscopic surgery under laparoscopically supervision then, and perforator comprises the housing with black box at present, and housing first end is provided with the puncture shell; One puncture needle is stretched into by second end of the housing and passes black box in the puncture shell, also is provided with an air inlet pipe on the periphery of shell, on shell and retainer ring, is provided with through hole and makes the puncture shell facies in air inlet pipe and the shell logical; Air inlet pipe the air inlet end also be provided with the keying valve; This perforator is to perform the operation assistive device when being used, and the sealing member of housing can not rotate with the operation apparatus, causes in the operating theater instruments rotating process; Sealing member apparatus periphery again forms effective seal and causes Intraabdominal gas leak, and the rotation of apparatus also can be sealing member distortion and cause gas leakage.
The utility model content
The purpose of this utility model is exactly for the sealing member that overcomes existing housing can not rotate with the operation apparatus, causes the defective of Intraabdominal gas leak, and a kind of universal abdominal paracentesis device is provided.
This utility model solves the technical scheme that its technical problem adopted:
A kind of universal abdominal paracentesis device; Comprise housing with black box; The housing rear end is provided with the puncture shell, and a puncture needle is stretched into by the housing front end and passes black box in the puncture shell, and it is characterized in that: the housing front end is fixedly connected a spherical connector spare; Spherical connector spare has the through hole that axially runs through, and is used for the insertion of puncture needle; The front end of spherical connector axially cooperates with a ball cup, and ball cup constitutes universal the connection with spherical connector, and ball cup has the through hole that axially runs through, and is used for the insertion of puncture needle; The front end of ball cup axially cooperates with an elastic sealing element, and elastic sealing element has the axial seal hole, is used for forming sealing in the periphery of puncture needle; The front end of elastic sealing element is provided with gland, and gland has the through hole that axially runs through, and is used for the insertion of puncture needle, and gland is fixedly connected with ball cup.
On the basis of above-mentioned main technical schemes, can increase following further perfect technical scheme:
The rear end of ball cup is connected with a binding ring, and binding ring is sleeved on the spherical connector, and ball cup is remained and being connected of spherical connector.
Be provided with sealing ring between annular seating and binding ring, last ring set is used for forming sealing in the periphery of spherical connector on spherical connector.
Elastic sealing element is the sealing member with arc hermetically-sealed construction.
The beneficial effect of this utility model is that the front end through spherical connector axially cooperates with a ball cup; Elastic sealing element can be rotated with the puncture shell relatively; Insert in the abdominal cavity rotating process at medical apparatus and instruments, elastic sealing element can rotate along with medical apparatus and instruments, makes elastic sealing element form effective seal in the periphery of medical apparatus and instruments; Can deformation because of the rotation of medical apparatus and instruments, avoid leaking of gas.
Below in conjunction with accompanying drawing and embodiment this utility model is further specified.
Description of drawings:
Fig. 1 is the front view of this utility model embodiment;
Fig. 2 is the right view of Fig. 1.
The specific embodiment
As shown in Figure 1, a kind of universal abdominal paracentesis device of this utility model comprises having the housing 12 of placing the black box inner chamber; Housing 12 rear ends are provided with puncture shell 15, and the outline of puncture shell 15 is the multidiameter shape, and puncture shell 15 is vertically by passing in the housing 12; And match with the positioning table of housing 12, between the positioning table axial end of housing 12 and puncture shell 15, be provided with lower seal 13, in housing 12, be provided with on the axial end that a retainer ring 11 is pressed in the puncture shell 15 in the housing 12; Moving axially of restriction puncture shell 15; In housing 12, be provided with butterfly sealing ring 10, butterfly sealing ring 10 has the outline of multidiameter shape, can be pressed on the front end axial end of retainer ring 11 thin-walleds; In housing 12, also be provided with a pressure ring 9, be placed on the front end axial end of butterfly sealing ring 10;
Be fixedly connected a spherical connector 7 at housing 12 front ends; Spherical connector 7 is with housing 12 can buckle be connected through being threaded perhaps; Be provided with sealing ring 8 between the rear end axial end of spherical connector 7 and the pressure ring 9, spherical connector 7 has the through hole that axially runs through, and is used for the insertion of puncture needle 1; At spherical connector 7 front end suits one ball cup 4, ball cup 4 constitutes universal the connection with spherical connector 7, and ball cup 4 has the through hole that axially runs through, and is used for the insertion of puncture needle 1; The front end of ball cup 4 is axially arranged with an elastic sealing element 3, and elastic sealing element 3 has the axial seal hole, is used for forming sealing in the periphery of puncture needle 1; The front end of elastic sealing element 3 is provided with gland 2, and gland 2 has the through hole that axially runs through, and is used for the insertion of puncture needle, and gland 2 is fixedly connected with ball cup 4, and gland 2 is with ball cup 4 can buckle be connected through being threaded perhaps;
Elastic sealing element 3 can guarantee elastic sealing element dilatation in the axial direction for having the sealing member of arc hermetically-sealed construction, and the elastic sealing element that also can be made into oval spherical hermetically-sealed construction seals.
The rear end of ball cup 4 is connected with a binding ring 6; Binding ring 6 is sleeved on the spherical connector 7; Ball cup 4 is remained and being connected of spherical connector 7; Be provided with sealing ring 5 between ball cup 4 and binding ring, last sealing ring 5 is sleeved on the spherical connector 7, is used for forming sealing in the periphery of spherical connector 7;
A puncture needle 1 is stretched into by gland 2 ports, passes elastic seal ring 3, spherical connector 7, sealing ring 8 successively, and butterfly sealing ring 10, retainer ring 11 extend in the puncture shell 15;
As shown in Figure 2; On the periphery of shell, also be provided with an air inlet pipe 16; On shell and retainer ring, being provided with through hole makes air inlet pipe 16 logical with the puncture shell facies in the shell; Air inlet pipe 16 the air inlet end also be provided with and open and close valve 17, on the shell periphery that opens and closes valve 17 tops, be provided with a symmetric lever and be convenient to hand-held whole device.
1. manufacture of intraocular pneumoperitoneums when this device uses: universal abdominal paracentesis device is thrust abdominal part at 1cm place, umbilicus top; After confirming that universal abdominal paracentesis device is positioned at free abdominal cavity; Extract puncture needle, to intraperitoneal injecting carbon dioxide gas, form artificial pneumoperitoneum through air inlet pipe; 3, set up operation path: do the operative incision of 2～4 5～8mm according to the operation needs, insert the puncture shell; 4, connect optical system: peritoneoscope is connected with cold light source, vidio camera system, video recording system, print system, and inserts the abdominal cavity through the puncture shell.Through the optical digital converting system, the intraperitoneal influence is reflected on the telescreen; 5, undergo surgery: be reflected in the image on the screen according to the optical digital converting system, insert laparoscopic surgical instruments through the puncture shell and undergo surgery; 6, use other assistive devices in the bag as required, in operation was carried out, elastic sealing element can rotate and the generation distortion along with operating theater instruments.
Claims (4)
1. universal abdominal paracentesis device; Comprise that inside has the housing of black box (12); Housing (12) rear end is provided with puncture shell (15); One puncture needle (1) passes black box by housing (12) front end and extend in the puncture shell (15), and it is characterized in that: a spherical connector (7) is set, and it has the through hole that axially runs through and cooperates with puncture needle; The rear end of spherical connector (7) is connected fixing with housing (12) front end; The bulb part of spherical connector (7) is connected with a ball cup (4) and cooperates the universal flexible connection of formation; The front end of ball cup (4) is connected cooperation with gland (2); Be provided with an elastic sealing element (3) between ball cup (4) and gland (2), elastic sealing element (3) has the axial seal hole and cooperates with puncture needle, forms with the periphery of puncture needle to be sealed and matched.
2. a kind of universal abdominal paracentesis device according to claim 1 is characterized in that: the rear end of ball cup (4) connects a binding ring (6), and binding ring (6) is connected with spherical connector (7) and cooperates the universal flexible connection of formation.
3. a kind of universal abdominal paracentesis device according to claim 2 is characterized in that: be provided with sealing ring (5) between ball cup (4) and binding ring (6), last sealing ring (5) is sleeved on the spherical connector (7).
4. a kind of universal abdominal paracentesis device according to claim 1 is characterized in that: elastic sealing element (3) is for having the sealing member of arc hermetically-sealed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120230292U CN202128517U (en) | 2011-07-01 | 2011-07-01 | Universal abdominocentesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120230292U CN202128517U (en) | 2011-07-01 | 2011-07-01 | Universal abdominocentesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202128517U true CN202128517U (en) | 2012-02-01 |
Family
ID=45517304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120230292U Expired - Lifetime CN202128517U (en) | 2011-07-01 | 2011-07-01 | Universal abdominocentesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202128517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228389A (en) * | 2011-07-01 | 2011-11-02 | 李海燕 | Universal abdominal paracentesis device |
| CN105935307A (en) * | 2016-06-27 | 2016-09-14 | 江苏风和医疗器材有限公司 | Puncture core tip, puncture core with the same and puncture device |
-
2011
- 2011-07-01 CN CN201120230292U patent/CN202128517U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228389A (en) * | 2011-07-01 | 2011-11-02 | 李海燕 | Universal abdominal paracentesis device |
| CN105935307A (en) * | 2016-06-27 | 2016-09-14 | 江苏风和医疗器材有限公司 | Puncture core tip, puncture core with the same and puncture device |
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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: 20120201 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |