CN220833111U - High-air-tightness puncture outfit with replaceable inner sealing cap - Google Patents
High-air-tightness puncture outfit with replaceable inner sealing cap Download PDFInfo
- Publication number
- CN220833111U CN220833111U CN202321859989.2U CN202321859989U CN220833111U CN 220833111 U CN220833111 U CN 220833111U CN 202321859989 U CN202321859989 U CN 202321859989U CN 220833111 U CN220833111 U CN 220833111U
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- puncture
- sealing
- needle
- sealing ring
- cylinder body
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- 238000007789 sealing Methods 0.000 title claims abstract description 90
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 2
- 210000000683 abdominal cavity Anatomy 0.000 description 5
- 208000005646 Pneumoperitoneum Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a puncture outfit with high air tightness and a replaceable inner sealing cap, which relates to the field of medical appliances and comprises a puncture sleeve assembly and a puncture needle assembly penetrating through the puncture sleeve assembly, wherein the puncture sleeve assembly comprises a cylinder body, an outer tube connected to the cylinder body and a sealing assembly arranged on the cylinder body; the outer tube is communicated with the inner cavity of the cylinder body, the sealing assembly comprises a sealing seat, an outer sealing ring detachably arranged on the outer side of the sealing seat and an inner sealing ring detachably arranged on the inner side of the sealing seat, the sealing seat is detachably arranged on the end face of the cylinder body, the inner cavity of the cylinder body is sealed relative to the outside, and the inner sealing ring is arranged in the inner cavity of the cylinder body; the puncture needle assembly comprises a needle tube, a pressure head connected to one end of the needle tube and a needle head connected to the other end of the needle tube, wherein the pressure head is used for pushing the needle tube, so that the needle head sequentially passes through the outer sealing ring, the sealing seat, the inner sealing ring and the outer tube. The utility model effectively reduces the use risk of the puncture outfit in the operation and improves the air tightness and the safety of the puncture outfit.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a puncture outfit with high air tightness and replaceable inner sealing caps.
Background
The puncture outfit is a surgical instrument for providing a puncture channel for the suture outfit, the puncture outfit is mainly used for penetrating the whole abdominal wall, establishing a channel between the outside and the abdominal cavity, enabling the suture outfit to enter the abdominal cavity through the puncture outfit sleeve, completing suture operation, effectively reducing incisions in the operation process, relieving pain after the operation, and being small in wounds and quick in recovery. The puncture outfit for the laparoscope mainly comprises a puncture sleeve and a puncture needle, when the puncture outfit is used, the puncture needle is required to be inserted into the puncture sleeve, a pneumoperitoneum is established, skin tissues are squeezed out by a puncture knife at the front end of the puncture needle to enter the abdominal cavity, the puncture sleeve is fixed on the abdomen after the pneumoperitoneum is lifted at a proper angle, and the force is required to be controlled during the insertion, so that the damage to organs in a patient is avoided; during puncturing, a puncture needle is punctured into the abdominal cavity; finally, the puncture needle is pulled out, and the puncture sleeve is used as a surgical instrument channel for performing the operation. However, when the incision is too large, the risk of air leakage exists, and the puncture outfit moves downwards to accidentally injure the internal organs of the human body, so that the risk of operation is increased.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide the puncture outfit with high air tightness, which can replace the inner sealing cap seat, reduce the use risk of the puncture outfit in operation and improve the air tightness and the safety of the puncture outfit.
The utility model aims at being completed by the following technical scheme: the puncture outfit with high air tightness and replaceable inner sealing cap comprises a puncture sleeve assembly and a puncture needle assembly penetrating through the puncture sleeve assembly,
The puncture sleeve assembly comprises a cylinder body, an outer tube connected to the cylinder body and a sealing assembly arranged on the cylinder body; the outer tube is communicated with the inner cavity of the cylinder body, the sealing assembly comprises a sealing seat, an outer sealing ring detachably arranged on the outer side of the sealing seat and an inner sealing ring detachably arranged on the inner side of the sealing seat, the sealing seat is detachably arranged on the end face of the cylinder body, the inner cavity of the cylinder body is sealed relative to the outside, and the inner sealing ring is arranged in the inner cavity of the cylinder body;
the puncture needle assembly comprises a needle tube, a pressure head connected to one end of the needle tube and a needle head connected to the other end of the needle tube, wherein the pressure head is used for pushing the needle tube, so that the needle head sequentially penetrates through the outer sealing ring, the sealing seat, the inner sealing ring and the outer tube.
As a further technical scheme, a flushing and sucking interface and an outer pipe interface are arranged on the cylinder body, the outer pipe is detachably connected to the outer pipe interface through an outer pipe seat, a flushing and sucking head is arranged on the flushing and sucking interface and communicated with the outer pipe and used for introducing or sucking flushing liquid.
As a further technical scheme, all be equipped with the trompil in advance on seal seat and the outer seal ring, supply the pjncture needle subassembly to pass, the inner seal circle extends to the one side that is close to the outer tube and forms the arch, protruding top is opened there is cross petal form opening, supplies the pjncture needle subassembly to pass.
As a further technical scheme, set gradually first step and second step on the inner wall of barrel, the sealing seat location is installed on first step, and interior sealing washer location is installed on the second step.
The beneficial effects of the utility model are as follows:
1. The inner sealing ring, the outer sealing ring, the sealing seat and the cylinder body are in sealing connection to form three sealing protection, so that air leakage during operation can be effectively avoided, and the safety of the operation is improved;
2. The cylinder is connected with the flushing head, the inner cavity of the cylinder is communicated with the outer tube, flushing or flushing liquid sucking in operation is facilitated, the sealing seat and the inner sealing ring are both detachable and replaceable, and the service life of the puncture outfit is prolonged;
3. the inner sealing ring is not provided with a pre-opening, but provided with a cross petal-shaped opening, so that the sealing performance is improved;
4. The inner wall of the cylinder body is provided with a second-stage step which forms contact seal with the sealing seat and the inner sealing ring, so that the sealing performance is further improved, and air leakage is avoided.
Drawings
Fig. 1 is an exploded view of the structure of the present utility model.
FIG. 2 is a schematic view of the assembled structure of the puncture cannula assembly according to the present utility model.
FIG. 3 is a schematic view of the assembled structure of the seal assembly and the lancet assembly of the present utility model.
FIG. 4 is a schematic diagram of the assembly structure of the cylinder, the outer tube and the flushing head in the utility model.
Fig. 5 is a schematic view of an assembly structure of the present utility model.
Fig. 6 is a schematic cross-sectional view of the barrel of the present utility model.
Fig. 7 is a schematic top view of the cylinder according to the present utility model.
Reference numerals illustrate: the puncture cannula assembly 1, the outer tube 11, the outer tube seat 12, the cylinder 13, the flushing and sucking interface 131, the outer tube interface 132, the first step 133, the second step 134, the flushing and sucking head 14, the inner sealing ring 15, the sealing seat 16, the outer sealing ring 17, the puncture needle assembly 2, the needle tube 21, the pressure head 22 and the needle head 23.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings:
Examples: as shown in figures 1-7, the puncture outfit with the replaceable inner sealing cap seat and high air tightness comprises a puncture sleeve assembly 1, an outer tube 11, an outer tube seat 12, a cylinder 13, a flushing and sucking interface 131, an outer tube interface 132, a first step 133, a second step 134, a flushing and sucking head 14, an inner sealing ring 15, a sealing seat 16, an outer sealing ring 17, a puncture needle assembly 2, a needle tube 21, a pressure head 22 and a needle head 23.
Referring to fig. 2, the puncture cannula assembly 1 comprises a barrel 13, an outer tube 11 connected to the barrel 13, and a sealing assembly mounted in the inner cavity of the barrel 13. As shown in fig. 4, 6 and 7, a flushing and sucking port 131 and an outer pipe port 132 are formed on the cylinder 13, the outer pipe 11 is detachably connected to the outer pipe port 132 through the outer pipe seat 12, so as to be communicated with the inner cavity of the cylinder 13, a flushing and sucking head 14 is mounted on the flushing and sucking port 131, and the flushing and sucking head 14 is communicated with the outer pipe 11, so that flushing liquid can be introduced or sucked out.
As shown in fig. 2, 3 and 5, the sealing assembly comprises a sealing seat 16, an outer sealing ring 17 detachably mounted on the outer side of the sealing seat 16 and an inner sealing ring 15 detachably mounted on the inner side of the sealing seat 16, the sealing seat 16 is detachably mounted on the end face of the cylinder 13, the inner cavity of the cylinder 13 is sealed relative to the outside, the inner sealing ring 15 is placed in the inner cavity of the cylinder 13, and preferably, the sealing seat 16 and the inner sealing ring 15 are detachably replaced, so that the service life of the puncture outfit is prolonged.
Referring to fig. 1, the puncture needle assembly 2 comprises a needle tube 21, a pressure head 22 connected to one end of the needle tube 21, and a needle head 23 connected to the other end of the needle tube 21, wherein the pressure head 22 pushes the needle tube 21 during puncture to enable the needle head 23 to sequentially pass through the outer seal ring 17, the seal seat 16, the inner seal ring 15 and the outer tube 11. Further, the seal seat 16 and the outer seal ring 17 are both provided with pre-openings, the puncture needle assembly 2 (needle tube 21 and needle head 23) can pass through during puncture, the inner seal ring 15 extends to one side close to the outer tube 11 to form a bulge, preferably, cross petal-shaped openings (similar to the openings on the mouth of a screaming beverage bottle, when the needle tube 21 is pulled out, the openings are closed and kept sealed, and when the needle tube 21 is inserted, the openings are in petal-shaped dispersion and kept in contact and sealed with the outer wall of the needle tube 21).
As shown in fig. 6, preferably, the inner wall of the cylinder 13 is sequentially provided with a first step 133 and a second step 134, the sealing seat 16 is positioned and installed on the first step 133, the inner sealing ring 15 is positioned and installed on the second step 134, and the inner sealing ring, the outer sealing ring and the sealing seat are in sealing connection with the cylinder to form three sealing protection, so that air leakage during operation can be effectively avoided, and the safety of the operation is improved.
The working process of the utility model comprises the following steps: before puncture, the puncture sleeve assembly 1 is assembled as shown in fig. 1, puncture can be started, the needle head 23 of the puncture needle assembly 2 is aligned with the pre-opening hole on the outer sealing ring 17, the pressure head 22 is pushed to enable the needle head 23 to sequentially penetrate through the outer sealing ring 17, the sealing seat 16, the inner sealing ring 15 and the outer tube 11, finally, the needle head 23 is used for performing puncture operation on abdominal cavity, and meanwhile, the suction head 14 can be used for sucking or flushing operation. After the puncture is completed, the pressure head 22 is pulled out, the puncture needle assembly 2 is taken out, and other medical instruments can be put into the puncture cannula assembly 1 for operation.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.
Claims (4)
1. High gas tightness puncture ware of interchangeable inner seal cap seat, its characterized in that: comprises a puncture sleeve assembly (1) and a puncture needle assembly (2) which is arranged on the puncture sleeve assembly (1) in a penetrating way,
The puncture sleeve assembly (1) comprises a cylinder (13), an outer tube (11) connected to the cylinder (13) and a sealing assembly arranged on the cylinder (13); the outer tube (11) is communicated with the inner cavity of the cylinder body (13), the sealing assembly comprises a sealing seat (16), an outer sealing ring (17) detachably arranged on the outer side of the sealing seat (16) and an inner sealing ring (15) detachably arranged on the inner side of the sealing seat (16), the sealing seat (16) is detachably arranged on the end face of the cylinder body (13), the inner cavity of the cylinder body (13) is sealed relative to the outside, and the inner sealing ring (15) is arranged in the inner cavity of the cylinder body (13);
The puncture needle assembly (2) comprises a needle tube (21), a pressure head (22) connected to one end of the needle tube (21) and a needle head (23) connected to the other end of the needle tube (21), wherein the pressure head (22) is used for pushing the needle tube (21) to enable the needle head (23) to sequentially penetrate through the outer sealing ring (17), the sealing seat (16), the inner sealing ring (15) and the outer tube (11).
2. The replaceable inner seal cap high-tightness puncture outfit according to claim 1, wherein: the barrel (13) is provided with a flushing and sucking interface (131) and an outer pipe interface (132), the outer pipe (11) is detachably connected to the outer pipe interface (132) through an outer pipe seat (12), a flushing and sucking head (14) is arranged on the flushing and sucking interface (131), and the flushing and sucking head (14) is communicated with the outer pipe (11) and is used for introducing or sucking flushing liquid.
3. The replaceable inner seal cap high-tightness puncture outfit according to claim 1, wherein: the sealing seat (16) and the outer sealing ring (17) are respectively provided with a pre-opening for the penetration of the puncture needle assembly (2), the inner sealing ring (15) extends to one side close to the outer tube (11) to form a bulge, and the top of the bulge is provided with a cross petal-shaped opening for the penetration of the puncture needle assembly (2).
4. The replaceable inner seal cap high-tightness puncture outfit according to claim 1, wherein: the inner wall of the cylinder body (13) is sequentially provided with a first step (133) and a second step (134), the sealing seat (16) is positioned and installed on the first step (133), and the inner sealing ring (15) is positioned and installed on the second step (134).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321859989.2U CN220833111U (en) | 2023-07-14 | 2023-07-14 | High-air-tightness puncture outfit with replaceable inner sealing cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321859989.2U CN220833111U (en) | 2023-07-14 | 2023-07-14 | High-air-tightness puncture outfit with replaceable inner sealing cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833111U true CN220833111U (en) | 2024-04-26 |
Family
ID=90782219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321859989.2U Active CN220833111U (en) | 2023-07-14 | 2023-07-14 | High-air-tightness puncture outfit with replaceable inner sealing cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220833111U (en) |
-
2023
- 2023-07-14 CN CN202321859989.2U patent/CN220833111U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |