CN219895871U

CN219895871U - Puncture outfit sleeve assembly

Info

Publication number: CN219895871U
Application number: CN202321282494.8U
Authority: CN
Inventors: 方袁
Original assignee: Jiangsu Bailian Medical Technology Co ltd
Current assignee: Jiangsu Bailian Medical Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a puncture outfit sleeve assembly, and relates to the technical field of puncture outfits; the utility model comprises a positioning cylinder, wherein the positioning cylinder comprises a first cylinder body and a second cylinder body, one end of the second cylinder body is provided with an annular slot, one end of the first cylinder body is provided with an annular plugboard which is matched with the annular slot in an inserting way, and the second cylinder body is provided with a fixing piece for fixing the first cylinder body; according to the utility model, the positioning cylinder matched with the puncture sheath tube is inserted, the length of the positioning cylinder is adjusted by matching with the scale marks, when the puncture operation is performed, the positioning cylinder can be placed at the incision of the body surface of a patient, the puncture sheath tube is placed into the incision of the patient from the positioning cylinder, and the overlap joint matching of the positioning cylinder and the positioning ring is utilized, so that the puncture sheath tube can be ensured to completely puncture the abdominal wall, an operation channel is established, the puncture sheath tube can be prevented from entering the abdominal cavity too deeply, organs and blood vessels of the abdominal cavity are injured, and the depth of the puncture sheath tube entering the abdominal cavity is controlled within a safe range, thereby improving the practicability.

Description

Puncture outfit sleeve assembly

Technical Field

The utility model relates to the technical field of puncture outfits, in particular to a puncture outfit sleeve assembly.

Background

The puncture outfit is a surgical instrument used for establishing an artificial channel for entering a body cavity in a minimally invasive surgery (especially a hard lumen endoscopic surgery), and generally consists of a sleeve assembly and a puncture needle, wherein the clinical common use mode is as follows: the puncture needle is penetrated through the sleeve assembly, and then penetrates through the abdominal wall together through the skin opening to enter the body cavity.

When in operation, a doctor firstly covers a puncture sheath on a puncture needle, then acts on the tail part of a puncture outfit with a certain force, the puncture outfit is placed from an incision by means of the sharp point of the puncture needle, the whole puncture outfit enters the abdominal cavity, then the puncture needle is pulled out to leave the puncture sheath as an operation channel, the magnitude of the puncture force is difficult to control by a beginner according to personal experience, if the puncture force is too large, the whole puncture outfit breaks through the abdominal wall at the moment after the puncture needle tip breaks through the abdominal wall, the head end of the puncture outfit possibly damages organs and blood vessels at the deep part of the abdominal cavity due to the fact that the large inertia is extremely easy to enter the whole puncture outfit, if the puncture force is too small, the puncture outfit cannot completely penetrate the abdominal wall, and an operation channel cannot be established, therefore, in the process of puncture outfit penetration of the abdominal cavity is limited within a safe range, the penetration of the abdominal cavity after the puncture outfit is prevented, and the viscera and blood vessels are not damaged are protected.

Disclosure of Invention

The utility model aims at: to solve the above-described problems, the present utility model provides a puncture outfit cannula assembly.

The utility model adopts the following technical scheme for realizing the purposes:

a puncture cannula assembly comprising:

the positioning cylinder comprises a first cylinder body and a second cylinder body, an annular slot is formed in one end of the second cylinder body, an annular plugboard matched with the annular slot is formed in one end of the first cylinder body in an inserted mode, and a fixing piece used for fixing the first cylinder body is arranged on the second cylinder body;

the puncture sheath tube movably penetrates through the positioning cylinder, scale marks are carved on the outer surface of the puncture sheath tube along the axial direction of the puncture sheath tube, and a positioning ring is arranged on the puncture sheath tube.

Further, the fixing member includes:

the inserted link, one side of second barrel be provided with annular slot intercommunication's cover shell, the inserted link slip runs through the cover shell, a plurality of jack has been seted up along its axis direction array run through on the annular picture peg, the inserted link with the jack inserts and establishes the cooperation, the slip is provided with in the cover shell and sets firmly limiting plate on the inserted link, the limiting plate with install the cover between the inner wall of cover shell and establish limiting spring on the inserted link.

Further, one end of the second cylinder body far away from the first cylinder body is provided with a ring plate, and the ring plate is made of rubber materials.

Further, an adhesive piece is arranged on one side, far away from the second cylinder, of the annular plate, and the adhesive piece is used for adhering and fixing the annular plate and the skin of the body surface of a patient.

Further, the adhesive piece comprises a flat cloth adhesive tape arranged at the bottom of the annular plate, and an oxygen barrier film is attached to the bottom of the flat cloth adhesive tape.

Further, a locking piece is arranged on the first cylinder body and the positioning ring, and after the first cylinder body is overlapped with the positioning ring, the first cylinder body is fixed with the positioning ring by the locking piece.

Further, the locking member includes:

the two connecting strips are respectively arranged on the first cylinder body and the positioning ring, and the longitudinal section of each connecting strip is L-shaped;

the connecting sleeve is provided with a clamping groove, and the longitudinal section of the clamping groove is in a T shape.

Further, the cross sections of the connecting strip and the connecting sleeve are arc-shaped, and the connecting sleeve is provided with a lifting ring.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the positioning cylinder matched with the puncture sheath is inserted, the length of the positioning cylinder is adjusted by matching with the scale marks, when the puncture operation is performed, the positioning cylinder can be placed at the incision of the body surface of a patient, the puncture sheath is placed into the incision of the patient from the positioning cylinder, and the overlap joint matching of the positioning cylinder and the positioning ring is utilized, so that the puncture sheath can be ensured to completely puncture the abdominal wall, an operation channel is established, the puncture sheath can be prevented from entering the abdominal cavity too deeply, organs and blood vessels of the abdominal cavity are injured, and the depth of the puncture sheath entering the abdominal cavity is controlled within a safe range, thereby improving the practicability.

2. According to the utility model, the positioning cylinder can be stuck and fixed on the body surface of a patient through the annular plate and the sticking piece arranged on the annular plate, and then the puncture sheath tube is indirectly fixed on the body surface of the patient through the positioning cylinder through the locking piece, so that the phenomenon that the puncture sheath tube moves and slides outwards when the focal tissue is taken out by using an instrument is avoided, and the practicability is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a perspective cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is an exploded view of a portion of the present utility model in perspective;

FIG. 5 is an exploded view of yet another portion of a three-dimensional structure of the present utility model;

reference numerals: 1. a positioning cylinder; 2. puncturing the sheath; 3. scale marks; 4. a positioning ring; 5. a ring plate; 6. an adhesive member; 7. a locking member; 8. a pull ring is lifted; 101. a first cylinder; 102. a second cylinder; 103. an annular slot; 104. an annular plugboard; 105. a fixing member; 601. a flat cloth adhesive tape; 602. an oxygen barrier film; 701. a connecting strip; 702. connecting sleeves; 703. a clamping groove; 1051. a rod; 1052. a casing; 1053. a jack; 1054. a limiting plate; 1055. and a limit spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

1-5, a puncture outfit sleeve assembly according to one embodiment of the present utility model comprises a positioning cylinder 1, wherein the positioning cylinder 1 comprises a first cylinder body 101 and a second cylinder body 102, an annular slot 103 is formed at one end of the second cylinder body 102, an annular insertion plate 104 matched with the annular slot 103 in an inserting manner is constructed at one end of the first cylinder body 101, and a fixing piece 105 for fixing the first cylinder body 101 is arranged on the second cylinder body 102; the puncture sheath tube 2 is movably penetrated through the positioning tube 1, the scale mark 3 is carved on the outer surface of the puncture sheath tube 2 along the axial direction of the puncture sheath tube, the positioning tube 1 is sleeved on the puncture sheath tube 2 in a sliding manner when the puncture operation is performed, the first tube body 101 or the second tube body 102 can be correspondingly adjusted in a sliding manner according to the puncture depth, the annular inserting plate 104 slides along the annular inserting groove 103, the first tube body 101 always keeps the overlapping state with the positioning ring 4 when the interval between the first tube body 101 and the second tube body 102 is adjusted according to the measurement of the scale mark 3, the interval between the first tube body 101 and the second tube body 102 is adjusted, the fixing piece 105 is used for fixing the first tube body 101 and the second tube body 102 after the interval between the first tube body 101 and the second tube body 102 is adjusted, the length of the adjusted positioning tube 1 is shaped, the positioning tube 1 is detached from the puncture sheath tube 2, the positioning tube 1 is placed at the incision of a patient, the puncture sheath tube 2 is movably inserted into the positioning tube 1 and is placed into the incision of the patient from the position, the puncture sheath tube 4 is prevented from being completely pushed into the puncture sheath tube 2, the puncture sheath tube 2 is prevented from entering the puncture sheath tube, and the puncture sheath tube is completely and the puncture sheath tube is prevented from entering the puncture sheath tube 2, and the puncture sheath tube is completely and the puncture sheath tube is completely, and the puncture sheath tube is prevented from the puncture tube through the puncture tube.

As shown in fig. 3 and 5, in some embodiments, the securing member 105 includes: the utility model provides a shell 1052 that inserted bar 1051, one side of second barrel 102 is provided with annular slot 103 intercommunication, inserted bar 1051 runs through shell 1052 in the slip of its axis direction array and has seted up a plurality of jack 1053 on the annular picture peg 104, inserted bar 1051 and jack 1053 insert and establish the cooperation, be provided with the limiting plate 1054 of setting firmly on inserted bar 1051 in the shell 1052 in the slip, install the spacing spring 1055 of cover on inserted bar 1051 between the inner wall of limiting plate 1054 and shell 1052, when adjusting the interval of first barrel 101 and second barrel 102, pull the sliding of inserted bar 1051 earlier and break away from jack 1053, thereby make limiting plate 1054 extrude spacing spring 1055, slide again first barrel 101, make annular picture peg 104 slide along annular slot 103, when the position of adjusting first barrel 101 is good, become flexible again, the tip of inserted bar 1051 is inserted in corresponding jack 1053 under the elasticity of spacing spring 1055, in order to play the fixed effect with first barrel 101 and second barrel 102, thereby the fixed mode is comparatively simple or convenient and easy to remove.

As shown in fig. 1 and 2, in some embodiments, a ring plate 5 is disposed at an end of the second cylinder 102 far away from the first cylinder 101, the ring plate 5 is made of rubber, and through the disposed ring plate 5, a contact area between the second cylinder 102 and skin of a patient is increased, so as to reduce compression of the second cylinder 102 on the skin of the patient, and the ring plate 5 is made of rubber, so as to improve comfort of the second cylinder 102 after being pressed on the body surface of the patient, thereby improving practicability.

As shown in fig. 1, in some embodiments, an adhesive piece 6 is disposed on a side, far away from the second barrel 102, of the ring plate 5, the adhesive piece 6 is used for adhering and fixing the ring plate 5 to the skin of the body surface of the patient, after the second barrel 102 is placed on the body surface of the patient, the second barrel 102 is adhered and fixed to the skin of the patient by using the adhesive piece 6, so that the second barrel 102 is not required to be held when the puncture sheath 2 is placed, convenience of puncture is improved, meanwhile, slipping of the second barrel 102 caused when puncture is performed is not required, and alignment of the puncture sheath 2 and the incision of the body surface of the patient is ensured.

As shown in fig. 2, in some embodiments, the adhesive member 6 includes a flat cloth adhesive tape 601 disposed at the bottom of the ring plate 5, an oxygen barrier film 602 is attached to the bottom of the flat cloth adhesive tape 601, when the adhesive is fixed, the oxygen barrier film 602 is torn, the flat cloth adhesive tape 601 is attached to the body surface of the patient, and a certain force is applied to the second cylinder 102, so that the ring plate 5 is adhered to the body surface of the patient by using the flat cloth adhesive tape 601, so as to play a role of fixing the positioning cylinder 1.

As shown in fig. 1, in some embodiments, the locking member 7 is disposed on the first cylinder 101 and the positioning ring 4, after the first cylinder 101 and the positioning ring 4 are overlapped, the locking member 7 fixes the first cylinder 101 and the positioning ring 4, when the puncture sheath 2 is placed in the abdominal cavity of a patient from the positioning cylinder 1, since the positioning cylinder 1 is adhered and fixed to the body surface of the patient through the adhesive member 6, after the positioning ring 4 is overlapped with the first cylinder 101 in a collision manner, the first cylinder 101 is fixed to the positioning ring 4 through the locking member 7, thereby playing a role of fixing the puncture sheath 2 and the positioning cylinder 1, avoiding the occurrence of the phenomenon that the puncture sheath 2 moves and slides outwards when the lesion tissue is taken out by using an instrument, and improving the practicability.

As shown in fig. 4, in some embodiments, the locking member 7 includes: two connecting strips 701 are respectively arranged on the first cylinder 101 and the positioning ring 4, and the longitudinal section of the connecting strip 701 is L-shaped; the connecting sleeve 702 is provided with the clamping groove 703, the longitudinal section of the clamping groove 703 is in a T shape, preferably, the two connecting strips 701 are oppositely arranged, after the first cylinder 101 is overlapped with the positioning ring 4, the two connecting strips 701 are overlapped to form a whole clamping strip, the longitudinal section of the clamping strip is in a T shape and is matched with the clamping groove 703, and then the connecting sleeve 702 is slidably sleeved on the two connecting strips 701 after being overlapped, so that the positioning ring 4 and the first cylinder 101 are fixed.

As shown in fig. 1, fig. 2 and fig. 4, in some embodiments, the cross sections of the connecting strips 701 and the connecting sleeve 702 are both configured into an arc shape, the connecting sleeve 702 is provided with a lifting ring 8, the connecting sleeve 702 can be slidably sleeved on one of the connecting strips 701, and when the positioning ring 4 is overlapped with the first cylinder 101, the connecting sleeve 702 is pulled to slide, so that the connecting sleeve 702 is sleeved on the other connecting strip 701 again, the effect of fixing the positioning ring 4 and the first cylinder 101 is realized, the fixing is more convenient, and the connecting sleeve 702 is pulled to fix or release the first cylinder 101 and the positioning ring 4 through the arranged lifting ring 8.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A puncture cannula assembly comprising:

the positioning cylinder (1), the positioning cylinder (1) comprises a first cylinder body (101) and a second cylinder body (102), an annular slot (103) is formed in one end of the second cylinder body (102), an annular inserting plate (104) matched with the annular slot (103) in an inserting mode is formed in one end of the first cylinder body (101), and a fixing piece (105) used for fixing the first cylinder body (101) is arranged on the second cylinder body (102);

the puncture sheath tube (2) movably penetrates through the positioning cylinder (1), scale marks (3) are engraved on the outer surface of the puncture sheath tube (2) along the axis direction of the puncture sheath tube, and a positioning ring (4) is arranged on the puncture sheath tube (2).

2. The puncture cannula assembly according to claim 1, characterized in that the fixture (105) comprises:

the utility model provides a jack (1051), one side of second barrel (102) be provided with shell (1052) of annular slot (103) intercommunication, jack (1051) slip runs through shell (1052), a plurality of jack (1053) have been seted up along its axis direction array run through on annular picture peg (104), jack (1051) with jack (1053) are inserted and are established the cooperation, be provided with in the slip of shell (1052) limiting plate (1054) on jack (1051), limiting spring (1055) are installed to the cover between limiting plate (1054) with the inner wall of shell (1051) are established.

3. The puncture outfit sleeve assembly according to claim 1, wherein a ring plate (5) is arranged at one end of the second cylinder (102) far away from the first cylinder (101), and the ring plate (5) is made of rubber.

4. A puncture device cannula assembly according to claim 3, characterized in that the side of the ring plate (5) remote from the second cylinder (102) is provided with an adhesive means (6), said adhesive means (6) being adapted to adhere the ring plate (5) to the skin of the patient's body surface.

5. The puncture outfit cannula assembly according to claim 4, wherein the adhesive means (6) comprises a plain cloth adhesive tape (601) arranged at the bottom of the annular plate (5), and an oxygen barrier film (602) is attached to the bottom of the plain cloth adhesive tape (601).

6. The puncture outfit cannula assembly according to claim 1, characterized in that a locking element (7) is arranged on the first cylinder (101) and the positioning ring (4), and the locking element (7) fixes the first cylinder (101) and the positioning ring (4) after the first cylinder (101) and the positioning ring (4) are lapped.

7. A puncture cannula assembly according to claim 6, characterized in that the locking element (7) comprises:

two connecting strips (701) are respectively arranged on the first cylinder body (101) and the positioning ring (4), and the longitudinal section of the connecting strips (701) is L-shaped;

the connecting sleeve (702), a clamping groove (703) is formed in the connecting sleeve (702), and the longitudinal section of the clamping groove (703) is of a T-shaped structure.

8. The puncture outfit cannula assembly according to claim 7, characterized in that the cross section of the connecting strip (701) and the cross section of the connecting sleeve (702) are arc-shaped, and the connecting sleeve (702) is provided with a lifting ring (8).