JPS63114657U

JPS63114657U -

Info

Publication number: JPS63114657U
Application number: JP440387U
Authority: JP
Priority date: 1987-01-14
Filing date: 1987-01-14
Publication date: 1988-07-23
Also published as: JPH0316682Y2

Description

[Brief explanation of the drawing]

第１図は、本考案の第１実施例によるものであ
つて、カニユールが挿通された状態でのカテーテ
ル用連結具の一部断面側面図、第２図は第１図の
縦断面図、第２ａ図は、第２図に示したロツクし
ゆだんの拡大詳細図、第３図、第４図及び第４ａ
図は夫々第１図、第２図及び第２ａ図に対応する
が、連閉塞部材が閉塞位置へ移動させられた時の
カテーテル用連結具を示し、第５図は、第３図な
いし第４図の上面断面図、第６図は、本考案の第
１実施例の変形例を示す斜視図、第７図は、第２
実施例によるものであつて、閉塞部材がロツクさ
れている状態を示す斜視図、第７ａ図は、第６図
と第７図に示したカテーテル用連結具に用いられ
たロツク手段の拡大詳細図、第８図は、本考案の
第３実施例によるカテーテル用連結具の縦断面図
、第９図は、本考案の第４実施例によるカテーテ
ル用連結具の縦断面図、第９ａ図は、第４実施例
によるカテーテル用連結具の閉塞部材がロツクさ
れている状態を示す縦断面図、第９ｂ図は、第４
実施例に用いたロツク機構の一部構成要件の拡大
詳細図であり、第１０図は、第５実施例によるカ
テーテル用連結具と穿刺針と共に示した斜視図、
第１０ａ図は、第１０図に示したカテーテル用連
結具の閉塞部材がロツクされた状態を示す斜視図
、第１０ｂ図は、そのロツク手段を示す一部破断
縦断面図である。２…基体、３，３ａ，３ｂ，３ｃ…導管路、７
…套管針、８，２９…付勢バネ、９，１９…閉塞
部材、１０…突起、１１…係止部材、１３…ロツ
クピン、１５…係止孔、１６…支軸、１７…シー
ル部材。 FIG. 1 is a partially sectional side view of a catheter connector according to a first embodiment of the present invention, with a cannula inserted therein; FIG. 2 is a longitudinal sectional view of FIG. 1; Figure 2a is an enlarged detailed view of the lock suspension shown in Figure 2, Figures 3, 4 and 4a.
The figures correspond to Figures 1, 2 and 2a, respectively, but show the catheter coupling when the interocclusion member is moved to the occlusion position, and Figure 5 corresponds to Figures 3 to 4. 6 is a perspective view showing a modification of the first embodiment of the present invention, and FIG. 7 is a sectional view of the second embodiment of the present invention.
FIG. 7a is an enlarged detailed view of the locking means used in the catheter connector shown in FIGS. 6 and 7; FIG. , FIG. 8 is a longitudinal sectional view of a catheter coupling according to a third embodiment of the present invention, FIG. 9 is a longitudinal sectional view of a catheter coupling according to a fourth embodiment of the present invention, and FIG. 9a is a longitudinal sectional view of a catheter coupling according to a fourth embodiment of the present invention. FIG. 9b is a longitudinal cross-sectional view showing the state in which the closing member of the catheter connector according to the fourth embodiment is locked.
FIG. 10 is an enlarged detailed view of some of the constituent elements of the locking mechanism used in the embodiment, and FIG. 10 is a perspective view showing the catheter connector and puncture needle according to the fifth embodiment;
FIG. 10a is a perspective view showing a state in which the closing member of the catheter connector shown in FIG. 10 is locked, and FIG. 10b is a partially cutaway vertical sectional view showing the locking means. 2... Base body, 3, 3a, 3b, 3c... Conduit path, 7
... Trocar, 8, 29... Biasing spring, 9, 19... Closing member, 10... Protrusion, 11... Locking member, 13... Lock pin, 15... Locking hole, 16... Support shaft, 17... Seal member.

Claims

[Claims for Utility Model Registration] (1) A base body for connection with a syringe, catheter, etc. and for insertion of a puncture cannula, and having at least one conduit path formed therein; In order to prevent the cannula for puncturing from being inserted again, a closing means for closing the conduit when the cannula for puncturing which has already been inserted is once removed, and a closing means for closing the conduit when the cannula for puncturing which has already been inserted are removed; A coupling device for a catheter, characterized in that it is equipped with automatic locking means for locking the catheter in a closed state. (2) A connector for a catheter as described in item (1) of the scope of utility model registration, characterized in that the base constitutes a support for the occluding means. (3) Scope of Utility Model Registration A catheter described in paragraph (1), characterized in that the occluding means is provided with a catheter connecting means for connecting a syringe, a catheter, etc. Connector for use. (4) Scope of Utility Model Registration The closing means is described in any one of paragraphs (1) to (3), and the closing means has a bifurcated arm and is pivoted to the base with this arm. A catheter connection comprising a movably attached occlusion member, and a spring member provided on one of the forked arms to move the occlusion means. Ingredients. (5) Scope of Utility Model Registration Item (4), wherein the locking means includes a locking pin biased by a spring and a holding means for the locking pin, and the closing member is locked. When the locking pin is pivoted to a state in which the locking member is pivoted, the locking pin is deflected by the action of a spring from the position where the holding means holds the locking pin, and the locking pin is fitted into a locking hole formed in the closing member,
A connector for a catheter, characterized in that the closure member is locked. (6) Scope of Utility Model Registration Item (4) or (5), wherein a protrusion and a locking member are respectively formed on the closing member and the base, and Biasing spring means are provided for biasing the member relative to the base body, and after the cannula is withdrawn, the closure member is biased until the protrusion abuts the locking material under the action of the biasing spring means. A connector for a catheter, characterized in that the connector is configured to deflect. (7) Scope of Utility Model Registration Paragraph (1), wherein the closing means integrally connects an arm and a biasing spring member concealed between the arm and the base body. and a closing member pivotally attached to the base, the biasing spring member being connected to a support shaft of the closing member on the one hand,
On the other hand, a coupling device for a catheter, characterized in that it is engaged with a locking member. (8) Scope of Utility Model Registration Item (7), wherein the locking means is mounted on the closing member and is biased to engage with a corresponding locking hole provided in the base body. A connector for a catheter, characterized in that it is movable. (9) Scope of Utility Model Registration As described in paragraph (1), the blocking means closes the conduit to a first position substantially parallel to the conduit before puncturing the conduit. a closure member displaceable between the closure member and a second position; releasable locking means for retaining the closure member in the first position; and means for releasing the releasable locking member after withdrawal of the cannula. When the releasable locking means is released, the closing member is displaced to the second position to close the conduit, and at the same time, as long as it is locked in the second position, another A connector for a catheter, characterized in that it constitutes a wall of a conduit. (10) Scope of Utility Model Registration Item (1), wherein the closing means is comprised of a substantially L-shaped pivotable closing member having a long arm portion and a short arm portion; The long arm is pivotally connected to the base body, and the short arm has an expandable arm at its free end that engages an undercut portion of the base body when pivoted to a locked position. At least 1 leaf spring
A connector for a catheter, characterized in that it is provided with a connector for a catheter. 〓(11)１１〓 Scope of Utility Model Registration Paragraph (1), wherein the closing means is a rotating disk-shaped obstruction having a cannula insertion hole at an eccentric position with respect to the rotation axis. a member, releasable locking means for retaining said closure member in an open position, means for releasing said releasable locking means during insertion of a cannula into said conduit, and a releasable locking means for retaining said closure member in an open position; What is claimed is: 1. A catheter coupling device comprising a spring member for rotationally driving the catheter to a lock position. (12)12 Scope of Utility Model Registration Items (4) and (7) to (11)11, which are A connector for a catheter, characterized in that an annular elastic seal member is provided in the gap between the catheter connectors. 〓(13)１３〓 Scope of Utility Model Registration Paragraph (1), wherein the blocking means has a first position displaced from the entrance of the conduit and a second position that blocks the entrance of the conduit. a closing member that is movable between two positions and configured such that the distal end of the inserted cannula projects from the distal end of the conduit only when in the first position; The device is characterized by comprising means for moving the closing member from the first position to the second position when the closing member is pulled out of the passageway, and locking means for locking the closing member in the second position. Connector for catheter. 〓(14)１４〓 Scope of utility model registration〓(14)１３
〓, wherein a branch conduit is provided in the conduit path, and when the closing member is in the first position, it blocks the entrance of this branch conduit, but when it is moved to the second position, A connector for a catheter, characterized in that the connector is adapted to be released. 〓(15)15〓 Scope of utility model registration〓(13)13
The connector for a catheter as described in item (1) or (14), item 14, wherein the closure member is pivotally connected to the base body. 〓(16)１６〓 Scope of utility model registration〓(13)１３
3. A catheter connector as described in item (1), characterized in that the closure member is provided with a through hole for receiving a catheter. 〓(17)１７〓 Scope of utility model registration〓(14)１４
〓, wherein the closing member is provided within the base and is engaged with a recess within the base, and when the closing member is in the second position, , a catheter connector configured and positioned to define a partition between the conduit and the branch conduit.